diff --git a/cmd/admin.go b/cmd/admin.go index f58a1f996..94e78186c 100644 --- a/cmd/admin.go +++ b/cmd/admin.go @@ -14,7 +14,6 @@ import ( "text/tabwriter" "code.gitea.io/gitea/models" - "code.gitea.io/gitea/modules/auth/oauth2" "code.gitea.io/gitea/modules/git" "code.gitea.io/gitea/modules/graceful" "code.gitea.io/gitea/modules/log" @@ -22,6 +21,7 @@ import ( repo_module "code.gitea.io/gitea/modules/repository" "code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/storage" + "code.gitea.io/gitea/services/auth/source/oauth2" "github.com/urfave/cli" ) @@ -597,7 +597,7 @@ func runRegenerateKeys(_ *cli.Context) error { return models.RewriteAllPublicKeys() } -func parseOAuth2Config(c *cli.Context) *models.OAuth2Config { +func parseOAuth2Config(c *cli.Context) *oauth2.Source { var customURLMapping *oauth2.CustomURLMapping if c.IsSet("use-custom-urls") { customURLMapping = &oauth2.CustomURLMapping{ @@ -609,7 +609,7 @@ func parseOAuth2Config(c *cli.Context) *models.OAuth2Config { } else { customURLMapping = nil } - return &models.OAuth2Config{ + return &oauth2.Source{ Provider: c.String("provider"), ClientID: c.String("key"), ClientSecret: c.String("secret"), @@ -625,10 +625,10 @@ func runAddOauth(c *cli.Context) error { } return models.CreateLoginSource(&models.LoginSource{ - Type: models.LoginOAuth2, - Name: c.String("name"), - IsActived: true, - Cfg: parseOAuth2Config(c), + Type: models.LoginOAuth2, + Name: c.String("name"), + IsActive: true, + Cfg: parseOAuth2Config(c), }) } @@ -646,7 +646,7 @@ func runUpdateOauth(c *cli.Context) error { return err } - oAuth2Config := source.OAuth2() + oAuth2Config := source.Cfg.(*oauth2.Source) if c.IsSet("name") { source.Name = c.String("name") @@ -728,7 +728,7 @@ func runListAuth(c *cli.Context) error { w := tabwriter.NewWriter(os.Stdout, c.Int("min-width"), c.Int("tab-width"), c.Int("padding"), padChar, flags) fmt.Fprintf(w, "ID\tName\tType\tEnabled\n") for _, source := range loginSources { - fmt.Fprintf(w, "%d\t%s\t%s\t%t\n", source.ID, source.Name, models.LoginNames[source.Type], source.IsActived) + fmt.Fprintf(w, "%d\t%s\t%s\t%t\n", source.ID, source.Name, models.LoginNames[source.Type], source.IsActive) } w.Flush() diff --git a/cmd/admin_auth_ldap.go b/cmd/admin_auth_ldap.go index 5ab64ec7d..4314930a3 100644 --- a/cmd/admin_auth_ldap.go +++ b/cmd/admin_auth_ldap.go @@ -9,7 +9,7 @@ import ( "strings" "code.gitea.io/gitea/models" - "code.gitea.io/gitea/modules/auth/ldap" + "code.gitea.io/gitea/services/auth/source/ldap" "github.com/urfave/cli" ) @@ -172,7 +172,7 @@ func parseLoginSource(c *cli.Context, loginSource *models.LoginSource) { loginSource.Name = c.String("name") } if c.IsSet("not-active") { - loginSource.IsActived = !c.Bool("not-active") + loginSource.IsActive = !c.Bool("not-active") } if c.IsSet("synchronize-users") { loginSource.IsSyncEnabled = c.Bool("synchronize-users") @@ -180,70 +180,70 @@ func parseLoginSource(c *cli.Context, loginSource *models.LoginSource) { } // parseLdapConfig assigns values on config according to command line flags. -func parseLdapConfig(c *cli.Context, config *models.LDAPConfig) error { +func parseLdapConfig(c *cli.Context, config *ldap.Source) error { if c.IsSet("name") { - config.Source.Name = c.String("name") + config.Name = c.String("name") } if c.IsSet("host") { - config.Source.Host = c.String("host") + config.Host = c.String("host") } if c.IsSet("port") { - config.Source.Port = c.Int("port") + config.Port = c.Int("port") } if c.IsSet("security-protocol") { p, ok := findLdapSecurityProtocolByName(c.String("security-protocol")) if !ok { return fmt.Errorf("Unknown security protocol name: %s", c.String("security-protocol")) } - config.Source.SecurityProtocol = p + config.SecurityProtocol = p } if c.IsSet("skip-tls-verify") { - config.Source.SkipVerify = c.Bool("skip-tls-verify") + config.SkipVerify = c.Bool("skip-tls-verify") } if c.IsSet("bind-dn") { - config.Source.BindDN = c.String("bind-dn") + config.BindDN = c.String("bind-dn") } if c.IsSet("user-dn") { - config.Source.UserDN = c.String("user-dn") + config.UserDN = c.String("user-dn") } if c.IsSet("bind-password") { - config.Source.BindPassword = c.String("bind-password") + config.BindPassword = c.String("bind-password") } if c.IsSet("user-search-base") { - config.Source.UserBase = c.String("user-search-base") + config.UserBase = c.String("user-search-base") } if c.IsSet("username-attribute") { - config.Source.AttributeUsername = c.String("username-attribute") + config.AttributeUsername = c.String("username-attribute") } if c.IsSet("firstname-attribute") { - config.Source.AttributeName = c.String("firstname-attribute") + config.AttributeName = c.String("firstname-attribute") } if c.IsSet("surname-attribute") { - config.Source.AttributeSurname = c.String("surname-attribute") + config.AttributeSurname = c.String("surname-attribute") } if c.IsSet("email-attribute") { - config.Source.AttributeMail = c.String("email-attribute") + config.AttributeMail = c.String("email-attribute") } if c.IsSet("attributes-in-bind") { - config.Source.AttributesInBind = c.Bool("attributes-in-bind") + config.AttributesInBind = c.Bool("attributes-in-bind") } if c.IsSet("public-ssh-key-attribute") { - config.Source.AttributeSSHPublicKey = c.String("public-ssh-key-attribute") + config.AttributeSSHPublicKey = c.String("public-ssh-key-attribute") } if c.IsSet("page-size") { - config.Source.SearchPageSize = uint32(c.Uint("page-size")) + config.SearchPageSize = uint32(c.Uint("page-size")) } if c.IsSet("user-filter") { - config.Source.Filter = c.String("user-filter") + config.Filter = c.String("user-filter") } if c.IsSet("admin-filter") { - config.Source.AdminFilter = c.String("admin-filter") + config.AdminFilter = c.String("admin-filter") } if c.IsSet("restricted-filter") { - config.Source.RestrictedFilter = c.String("restricted-filter") + config.RestrictedFilter = c.String("restricted-filter") } if c.IsSet("allow-deactivate-all") { - config.Source.AllowDeactivateAll = c.Bool("allow-deactivate-all") + config.AllowDeactivateAll = c.Bool("allow-deactivate-all") } return nil } @@ -251,7 +251,7 @@ func parseLdapConfig(c *cli.Context, config *models.LDAPConfig) error { // findLdapSecurityProtocolByName finds security protocol by its name ignoring case. // It returns the value of the security protocol and if it was found. func findLdapSecurityProtocolByName(name string) (ldap.SecurityProtocol, bool) { - for i, n := range models.SecurityProtocolNames { + for i, n := range ldap.SecurityProtocolNames { if strings.EqualFold(name, n) { return i, true } @@ -289,17 +289,15 @@ func (a *authService) addLdapBindDn(c *cli.Context) error { } loginSource := &models.LoginSource{ - Type: models.LoginLDAP, - IsActived: true, // active by default - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Enabled: true, // always true - }, + Type: models.LoginLDAP, + IsActive: true, // active by default + Cfg: &ldap.Source{ + Enabled: true, // always true }, } parseLoginSource(c, loginSource) - if err := parseLdapConfig(c, loginSource.LDAP()); err != nil { + if err := parseLdapConfig(c, loginSource.Cfg.(*ldap.Source)); err != nil { return err } @@ -318,7 +316,7 @@ func (a *authService) updateLdapBindDn(c *cli.Context) error { } parseLoginSource(c, loginSource) - if err := parseLdapConfig(c, loginSource.LDAP()); err != nil { + if err := parseLdapConfig(c, loginSource.Cfg.(*ldap.Source)); err != nil { return err } @@ -336,17 +334,15 @@ func (a *authService) addLdapSimpleAuth(c *cli.Context) error { } loginSource := &models.LoginSource{ - Type: models.LoginDLDAP, - IsActived: true, // active by default - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Enabled: true, // always true - }, + Type: models.LoginDLDAP, + IsActive: true, // active by default + Cfg: &ldap.Source{ + Enabled: true, // always true }, } parseLoginSource(c, loginSource) - if err := parseLdapConfig(c, loginSource.LDAP()); err != nil { + if err := parseLdapConfig(c, loginSource.Cfg.(*ldap.Source)); err != nil { return err } @@ -365,7 +361,7 @@ func (a *authService) updateLdapSimpleAuth(c *cli.Context) error { } parseLoginSource(c, loginSource) - if err := parseLdapConfig(c, loginSource.LDAP()); err != nil { + if err := parseLdapConfig(c, loginSource.Cfg.(*ldap.Source)); err != nil { return err } diff --git a/cmd/admin_auth_ldap_test.go b/cmd/admin_auth_ldap_test.go index 87f4f789a..692b11e3f 100644 --- a/cmd/admin_auth_ldap_test.go +++ b/cmd/admin_auth_ldap_test.go @@ -8,7 +8,7 @@ import ( "testing" "code.gitea.io/gitea/models" - "code.gitea.io/gitea/modules/auth/ldap" + "code.gitea.io/gitea/services/auth/source/ldap" "github.com/stretchr/testify/assert" "github.com/urfave/cli" @@ -54,30 +54,28 @@ func TestAddLdapBindDn(t *testing.T) { loginSource: &models.LoginSource{ Type: models.LoginLDAP, Name: "ldap (via Bind DN) source full", - IsActived: false, + IsActive: false, IsSyncEnabled: true, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Name: "ldap (via Bind DN) source full", - Host: "ldap-bind-server full", - Port: 9876, - SecurityProtocol: ldap.SecurityProtocol(1), - SkipVerify: true, - BindDN: "cn=readonly,dc=full-domain-bind,dc=org", - BindPassword: "secret-bind-full", - UserBase: "ou=Users,dc=full-domain-bind,dc=org", - AttributeUsername: "uid-bind full", - AttributeName: "givenName-bind full", - AttributeSurname: "sn-bind full", - AttributeMail: "mail-bind full", - AttributesInBind: true, - AttributeSSHPublicKey: "publickey-bind full", - SearchPageSize: 99, - Filter: "(memberOf=cn=user-group,ou=example,dc=full-domain-bind,dc=org)", - AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=full-domain-bind,dc=org)", - RestrictedFilter: "(memberOf=cn=restricted-group,ou=example,dc=full-domain-bind,dc=org)", - Enabled: true, - }, + Cfg: &ldap.Source{ + Name: "ldap (via Bind DN) source full", + Host: "ldap-bind-server full", + Port: 9876, + SecurityProtocol: ldap.SecurityProtocol(1), + SkipVerify: true, + BindDN: "cn=readonly,dc=full-domain-bind,dc=org", + BindPassword: "secret-bind-full", + UserBase: "ou=Users,dc=full-domain-bind,dc=org", + AttributeUsername: "uid-bind full", + AttributeName: "givenName-bind full", + AttributeSurname: "sn-bind full", + AttributeMail: "mail-bind full", + AttributesInBind: true, + AttributeSSHPublicKey: "publickey-bind full", + SearchPageSize: 99, + Filter: "(memberOf=cn=user-group,ou=example,dc=full-domain-bind,dc=org)", + AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=full-domain-bind,dc=org)", + RestrictedFilter: "(memberOf=cn=restricted-group,ou=example,dc=full-domain-bind,dc=org)", + Enabled: true, }, }, }, @@ -94,20 +92,18 @@ func TestAddLdapBindDn(t *testing.T) { "--email-attribute", "mail-bind min", }, loginSource: &models.LoginSource{ - Type: models.LoginLDAP, - Name: "ldap (via Bind DN) source min", - IsActived: true, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Name: "ldap (via Bind DN) source min", - Host: "ldap-bind-server min", - Port: 1234, - SecurityProtocol: ldap.SecurityProtocol(0), - UserBase: "ou=Users,dc=min-domain-bind,dc=org", - AttributeMail: "mail-bind min", - Filter: "(memberOf=cn=user-group,ou=example,dc=min-domain-bind,dc=org)", - Enabled: true, - }, + Type: models.LoginLDAP, + Name: "ldap (via Bind DN) source min", + IsActive: true, + Cfg: &ldap.Source{ + Name: "ldap (via Bind DN) source min", + Host: "ldap-bind-server min", + Port: 1234, + SecurityProtocol: ldap.SecurityProtocol(0), + UserBase: "ou=Users,dc=min-domain-bind,dc=org", + AttributeMail: "mail-bind min", + Filter: "(memberOf=cn=user-group,ou=example,dc=min-domain-bind,dc=org)", + Enabled: true, }, }, }, @@ -276,28 +272,26 @@ func TestAddLdapSimpleAuth(t *testing.T) { "--user-dn", "cn=%s,ou=Users,dc=full-domain-simple,dc=org", }, loginSource: &models.LoginSource{ - Type: models.LoginDLDAP, - Name: "ldap (simple auth) source full", - IsActived: false, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Name: "ldap (simple auth) source full", - Host: "ldap-simple-server full", - Port: 987, - SecurityProtocol: ldap.SecurityProtocol(2), - SkipVerify: true, - UserDN: "cn=%s,ou=Users,dc=full-domain-simple,dc=org", - UserBase: "ou=Users,dc=full-domain-simple,dc=org", - AttributeUsername: "uid-simple full", - AttributeName: "givenName-simple full", - AttributeSurname: "sn-simple full", - AttributeMail: "mail-simple full", - AttributeSSHPublicKey: "publickey-simple full", - Filter: "(&(objectClass=posixAccount)(full-simple-cn=%s))", - AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=full-domain-simple,dc=org)", - RestrictedFilter: "(memberOf=cn=restricted-group,ou=example,dc=full-domain-simple,dc=org)", - Enabled: true, - }, + Type: models.LoginDLDAP, + Name: "ldap (simple auth) source full", + IsActive: false, + Cfg: &ldap.Source{ + Name: "ldap (simple auth) source full", + Host: "ldap-simple-server full", + Port: 987, + SecurityProtocol: ldap.SecurityProtocol(2), + SkipVerify: true, + UserDN: "cn=%s,ou=Users,dc=full-domain-simple,dc=org", + UserBase: "ou=Users,dc=full-domain-simple,dc=org", + AttributeUsername: "uid-simple full", + AttributeName: "givenName-simple full", + AttributeSurname: "sn-simple full", + AttributeMail: "mail-simple full", + AttributeSSHPublicKey: "publickey-simple full", + Filter: "(&(objectClass=posixAccount)(full-simple-cn=%s))", + AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=full-domain-simple,dc=org)", + RestrictedFilter: "(memberOf=cn=restricted-group,ou=example,dc=full-domain-simple,dc=org)", + Enabled: true, }, }, }, @@ -314,20 +308,18 @@ func TestAddLdapSimpleAuth(t *testing.T) { "--user-dn", "cn=%s,ou=Users,dc=min-domain-simple,dc=org", }, loginSource: &models.LoginSource{ - Type: models.LoginDLDAP, - Name: "ldap (simple auth) source min", - IsActived: true, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Name: "ldap (simple auth) source min", - Host: "ldap-simple-server min", - Port: 123, - SecurityProtocol: ldap.SecurityProtocol(0), - UserDN: "cn=%s,ou=Users,dc=min-domain-simple,dc=org", - AttributeMail: "mail-simple min", - Filter: "(&(objectClass=posixAccount)(min-simple-cn=%s))", - Enabled: true, - }, + Type: models.LoginDLDAP, + Name: "ldap (simple auth) source min", + IsActive: true, + Cfg: &ldap.Source{ + Name: "ldap (simple auth) source min", + Host: "ldap-simple-server min", + Port: 123, + SecurityProtocol: ldap.SecurityProtocol(0), + UserDN: "cn=%s,ou=Users,dc=min-domain-simple,dc=org", + AttributeMail: "mail-simple min", + Filter: "(&(objectClass=posixAccount)(min-simple-cn=%s))", + Enabled: true, }, }, }, @@ -516,41 +508,37 @@ func TestUpdateLdapBindDn(t *testing.T) { }, id: 23, existingLoginSource: &models.LoginSource{ - Type: models.LoginLDAP, - IsActived: true, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Enabled: true, - }, + Type: models.LoginLDAP, + IsActive: true, + Cfg: &ldap.Source{ + Enabled: true, }, }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, Name: "ldap (via Bind DN) source full", - IsActived: false, + IsActive: false, IsSyncEnabled: true, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Name: "ldap (via Bind DN) source full", - Host: "ldap-bind-server full", - Port: 9876, - SecurityProtocol: ldap.SecurityProtocol(1), - SkipVerify: true, - BindDN: "cn=readonly,dc=full-domain-bind,dc=org", - BindPassword: "secret-bind-full", - UserBase: "ou=Users,dc=full-domain-bind,dc=org", - AttributeUsername: "uid-bind full", - AttributeName: "givenName-bind full", - AttributeSurname: "sn-bind full", - AttributeMail: "mail-bind full", - AttributesInBind: false, - AttributeSSHPublicKey: "publickey-bind full", - SearchPageSize: 99, - Filter: "(memberOf=cn=user-group,ou=example,dc=full-domain-bind,dc=org)", - AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=full-domain-bind,dc=org)", - RestrictedFilter: "(memberOf=cn=restricted-group,ou=example,dc=full-domain-bind,dc=org)", - Enabled: true, - }, + Cfg: &ldap.Source{ + Name: "ldap (via Bind DN) source full", + Host: "ldap-bind-server full", + Port: 9876, + SecurityProtocol: ldap.SecurityProtocol(1), + SkipVerify: true, + BindDN: "cn=readonly,dc=full-domain-bind,dc=org", + BindPassword: "secret-bind-full", + UserBase: "ou=Users,dc=full-domain-bind,dc=org", + AttributeUsername: "uid-bind full", + AttributeName: "givenName-bind full", + AttributeSurname: "sn-bind full", + AttributeMail: "mail-bind full", + AttributesInBind: false, + AttributeSSHPublicKey: "publickey-bind full", + SearchPageSize: 99, + Filter: "(memberOf=cn=user-group,ou=example,dc=full-domain-bind,dc=org)", + AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=full-domain-bind,dc=org)", + RestrictedFilter: "(memberOf=cn=restricted-group,ou=example,dc=full-domain-bind,dc=org)", + Enabled: true, }, }, }, @@ -562,9 +550,7 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{}, - }, + Cfg: &ldap.Source{}, }, }, // case 2 @@ -577,10 +563,8 @@ func TestUpdateLdapBindDn(t *testing.T) { loginSource: &models.LoginSource{ Type: models.LoginLDAP, Name: "ldap (via Bind DN) source", - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Name: "ldap (via Bind DN) source", - }, + Cfg: &ldap.Source{ + Name: "ldap (via Bind DN) source", }, }, }, @@ -592,18 +576,14 @@ func TestUpdateLdapBindDn(t *testing.T) { "--not-active", }, existingLoginSource: &models.LoginSource{ - Type: models.LoginLDAP, - IsActived: true, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{}, - }, + Type: models.LoginLDAP, + IsActive: true, + Cfg: &ldap.Source{}, }, loginSource: &models.LoginSource{ - Type: models.LoginLDAP, - IsActived: false, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{}, - }, + Type: models.LoginLDAP, + IsActive: false, + Cfg: &ldap.Source{}, }, }, // case 4 @@ -615,10 +595,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - SecurityProtocol: ldap.SecurityProtocol(1), - }, + Cfg: &ldap.Source{ + SecurityProtocol: ldap.SecurityProtocol(1), }, }, }, @@ -631,10 +609,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - SkipVerify: true, - }, + Cfg: &ldap.Source{ + SkipVerify: true, }, }, }, @@ -647,10 +623,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Host: "ldap-server", - }, + Cfg: &ldap.Source{ + Host: "ldap-server", }, }, }, @@ -663,10 +637,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Port: 389, - }, + Cfg: &ldap.Source{ + Port: 389, }, }, }, @@ -679,10 +651,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - UserBase: "ou=Users,dc=domain,dc=org", - }, + Cfg: &ldap.Source{ + UserBase: "ou=Users,dc=domain,dc=org", }, }, }, @@ -695,10 +665,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Filter: "(memberOf=cn=user-group,ou=example,dc=domain,dc=org)", - }, + Cfg: &ldap.Source{ + Filter: "(memberOf=cn=user-group,ou=example,dc=domain,dc=org)", }, }, }, @@ -711,10 +679,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=domain,dc=org)", - }, + Cfg: &ldap.Source{ + AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=domain,dc=org)", }, }, }, @@ -727,10 +693,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - AttributeUsername: "uid", - }, + Cfg: &ldap.Source{ + AttributeUsername: "uid", }, }, }, @@ -743,10 +707,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - AttributeName: "givenName", - }, + Cfg: &ldap.Source{ + AttributeName: "givenName", }, }, }, @@ -759,10 +721,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - AttributeSurname: "sn", - }, + Cfg: &ldap.Source{ + AttributeSurname: "sn", }, }, }, @@ -775,10 +735,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - AttributeMail: "mail", - }, + Cfg: &ldap.Source{ + AttributeMail: "mail", }, }, }, @@ -791,10 +749,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - AttributesInBind: true, - }, + Cfg: &ldap.Source{ + AttributesInBind: true, }, }, }, @@ -807,10 +763,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - AttributeSSHPublicKey: "publickey", - }, + Cfg: &ldap.Source{ + AttributeSSHPublicKey: "publickey", }, }, }, @@ -823,10 +777,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - BindDN: "cn=readonly,dc=domain,dc=org", - }, + Cfg: &ldap.Source{ + BindDN: "cn=readonly,dc=domain,dc=org", }, }, }, @@ -839,10 +791,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - BindPassword: "secret", - }, + Cfg: &ldap.Source{ + BindPassword: "secret", }, }, }, @@ -856,9 +806,7 @@ func TestUpdateLdapBindDn(t *testing.T) { loginSource: &models.LoginSource{ Type: models.LoginLDAP, IsSyncEnabled: true, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{}, - }, + Cfg: &ldap.Source{}, }, }, // case 20 @@ -870,10 +818,8 @@ func TestUpdateLdapBindDn(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - SearchPageSize: 12, - }, + Cfg: &ldap.Source{ + SearchPageSize: 12, }, }, }, @@ -901,9 +847,7 @@ func TestUpdateLdapBindDn(t *testing.T) { }, existingLoginSource: &models.LoginSource{ Type: models.LoginOAuth2, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{}, - }, + Cfg: &ldap.Source{}, }, errMsg: "Invalid authentication type. expected: LDAP (via BindDN), actual: OAuth2", }, @@ -933,9 +877,7 @@ func TestUpdateLdapBindDn(t *testing.T) { } return &models.LoginSource{ Type: models.LoginLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{}, - }, + Cfg: &ldap.Source{}, }, nil }, } @@ -994,27 +936,25 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, id: 7, loginSource: &models.LoginSource{ - Type: models.LoginDLDAP, - Name: "ldap (simple auth) source full", - IsActived: false, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Name: "ldap (simple auth) source full", - Host: "ldap-simple-server full", - Port: 987, - SecurityProtocol: ldap.SecurityProtocol(2), - SkipVerify: true, - UserDN: "cn=%s,ou=Users,dc=full-domain-simple,dc=org", - UserBase: "ou=Users,dc=full-domain-simple,dc=org", - AttributeUsername: "uid-simple full", - AttributeName: "givenName-simple full", - AttributeSurname: "sn-simple full", - AttributeMail: "mail-simple full", - AttributeSSHPublicKey: "publickey-simple full", - Filter: "(&(objectClass=posixAccount)(full-simple-cn=%s))", - AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=full-domain-simple,dc=org)", - RestrictedFilter: "(memberOf=cn=restricted-group,ou=example,dc=full-domain-simple,dc=org)", - }, + Type: models.LoginDLDAP, + Name: "ldap (simple auth) source full", + IsActive: false, + Cfg: &ldap.Source{ + Name: "ldap (simple auth) source full", + Host: "ldap-simple-server full", + Port: 987, + SecurityProtocol: ldap.SecurityProtocol(2), + SkipVerify: true, + UserDN: "cn=%s,ou=Users,dc=full-domain-simple,dc=org", + UserBase: "ou=Users,dc=full-domain-simple,dc=org", + AttributeUsername: "uid-simple full", + AttributeName: "givenName-simple full", + AttributeSurname: "sn-simple full", + AttributeMail: "mail-simple full", + AttributeSSHPublicKey: "publickey-simple full", + Filter: "(&(objectClass=posixAccount)(full-simple-cn=%s))", + AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=full-domain-simple,dc=org)", + RestrictedFilter: "(memberOf=cn=restricted-group,ou=example,dc=full-domain-simple,dc=org)", }, }, }, @@ -1026,9 +966,7 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{}, - }, + Cfg: &ldap.Source{}, }, }, // case 2 @@ -1041,10 +979,8 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { loginSource: &models.LoginSource{ Type: models.LoginDLDAP, Name: "ldap (simple auth) source", - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Name: "ldap (simple auth) source", - }, + Cfg: &ldap.Source{ + Name: "ldap (simple auth) source", }, }, }, @@ -1056,18 +992,14 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { "--not-active", }, existingLoginSource: &models.LoginSource{ - Type: models.LoginDLDAP, - IsActived: true, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{}, - }, + Type: models.LoginDLDAP, + IsActive: true, + Cfg: &ldap.Source{}, }, loginSource: &models.LoginSource{ - Type: models.LoginDLDAP, - IsActived: false, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{}, - }, + Type: models.LoginDLDAP, + IsActive: false, + Cfg: &ldap.Source{}, }, }, // case 4 @@ -1079,10 +1011,8 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - SecurityProtocol: ldap.SecurityProtocol(2), - }, + Cfg: &ldap.Source{ + SecurityProtocol: ldap.SecurityProtocol(2), }, }, }, @@ -1095,10 +1025,8 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - SkipVerify: true, - }, + Cfg: &ldap.Source{ + SkipVerify: true, }, }, }, @@ -1111,10 +1039,8 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Host: "ldap-server", - }, + Cfg: &ldap.Source{ + Host: "ldap-server", }, }, }, @@ -1127,10 +1053,8 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Port: 987, - }, + Cfg: &ldap.Source{ + Port: 987, }, }, }, @@ -1143,10 +1067,8 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - UserBase: "ou=Users,dc=domain,dc=org", - }, + Cfg: &ldap.Source{ + UserBase: "ou=Users,dc=domain,dc=org", }, }, }, @@ -1159,10 +1081,8 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - Filter: "(&(objectClass=posixAccount)(cn=%s))", - }, + Cfg: &ldap.Source{ + Filter: "(&(objectClass=posixAccount)(cn=%s))", }, }, }, @@ -1175,10 +1095,8 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=domain,dc=org)", - }, + Cfg: &ldap.Source{ + AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=domain,dc=org)", }, }, }, @@ -1191,10 +1109,8 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - AttributeUsername: "uid", - }, + Cfg: &ldap.Source{ + AttributeUsername: "uid", }, }, }, @@ -1207,10 +1123,8 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - AttributeName: "givenName", - }, + Cfg: &ldap.Source{ + AttributeName: "givenName", }, }, }, @@ -1223,10 +1137,8 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - AttributeSurname: "sn", - }, + Cfg: &ldap.Source{ + AttributeSurname: "sn", }, }, }, @@ -1239,10 +1151,9 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - AttributeMail: "mail", - }, + Cfg: &ldap.Source{ + + AttributeMail: "mail", }, }, }, @@ -1255,10 +1166,8 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - AttributeSSHPublicKey: "publickey", - }, + Cfg: &ldap.Source{ + AttributeSSHPublicKey: "publickey", }, }, }, @@ -1271,10 +1180,8 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, loginSource: &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{ - UserDN: "cn=%s,ou=Users,dc=domain,dc=org", - }, + Cfg: &ldap.Source{ + UserDN: "cn=%s,ou=Users,dc=domain,dc=org", }, }, }, @@ -1302,9 +1209,7 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { }, existingLoginSource: &models.LoginSource{ Type: models.LoginPAM, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{}, - }, + Cfg: &ldap.Source{}, }, errMsg: "Invalid authentication type. expected: LDAP (simple auth), actual: PAM", }, @@ -1334,9 +1239,7 @@ func TestUpdateLdapSimpleAuth(t *testing.T) { } return &models.LoginSource{ Type: models.LoginDLDAP, - Cfg: &models.LDAPConfig{ - Source: &ldap.Source{}, - }, + Cfg: &ldap.Source{}, }, nil }, } diff --git a/integrations/auth_ldap_test.go b/integrations/auth_ldap_test.go index 59f519512..6eb017017 100644 --- a/integrations/auth_ldap_test.go +++ b/integrations/auth_ldap_test.go @@ -11,7 +11,7 @@ import ( "strings" "testing" - "code.gitea.io/gitea/models" + "code.gitea.io/gitea/services/auth" "github.com/stretchr/testify/assert" "github.com/unknwon/i18n" @@ -205,7 +205,7 @@ func TestLDAPUserSync(t *testing.T) { } defer prepareTestEnv(t)() addAuthSourceLDAP(t, "") - models.SyncExternalUsers(context.Background(), true) + auth.SyncExternalUsers(context.Background(), true) session := loginUser(t, "user1") // Check if users exists @@ -270,7 +270,7 @@ func TestLDAPUserSSHKeySync(t *testing.T) { defer prepareTestEnv(t)() addAuthSourceLDAP(t, "sshPublicKey") - models.SyncExternalUsers(context.Background(), true) + auth.SyncExternalUsers(context.Background(), true) // Check if users has SSH keys synced for _, u := range gitLDAPUsers { diff --git a/models/helper.go b/models/helper.go index 91063b2d1..798fa3fef 100644 --- a/models/helper.go +++ b/models/helper.go @@ -4,6 +4,12 @@ package models +import ( + "encoding/binary" + + jsoniter "github.com/json-iterator/go" +) + func keysInt64(m map[int64]struct{}) []int64 { keys := make([]int64, 0, len(m)) for k := range m { @@ -27,3 +33,33 @@ func valuesUser(m map[int64]*User) []*User { } return values } + +// JSONUnmarshalHandleDoubleEncode - due to a bug in xorm (see https://gitea.com/xorm/xorm/pulls/1957) - it's +// possible that a Blob may be double encoded or gain an unwanted prefix of 0xff 0xfe. +func JSONUnmarshalHandleDoubleEncode(bs []byte, v interface{}) error { + json := jsoniter.ConfigCompatibleWithStandardLibrary + err := json.Unmarshal(bs, v) + if err != nil { + ok := true + rs := []byte{} + temp := make([]byte, 2) + for _, rn := range string(bs) { + if rn > 0xffff { + ok = false + break + } + binary.LittleEndian.PutUint16(temp, uint16(rn)) + rs = append(rs, temp...) + } + if ok { + if rs[0] == 0xff && rs[1] == 0xfe { + rs = rs[2:] + } + err = json.Unmarshal(rs, v) + } + } + if err != nil && len(bs) > 2 && bs[0] == 0xff && bs[1] == 0xfe { + err = json.Unmarshal(bs[2:], v) + } + return err +} diff --git a/models/login_source.go b/models/login_source.go index 5674196e0..5e1c6e222 100644 --- a/models/login_source.go +++ b/models/login_source.go @@ -6,25 +6,11 @@ package models import ( - "crypto/tls" - "encoding/binary" - "errors" - "fmt" - "net/smtp" - "net/textproto" + "reflect" "strconv" - "strings" - "code.gitea.io/gitea/modules/auth/ldap" - "code.gitea.io/gitea/modules/auth/oauth2" - "code.gitea.io/gitea/modules/auth/pam" "code.gitea.io/gitea/modules/log" - "code.gitea.io/gitea/modules/secret" - "code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/timeutil" - "code.gitea.io/gitea/modules/util" - gouuid "github.com/google/uuid" - jsoniter "github.com/json-iterator/go" "xorm.io/xorm" "xorm.io/xorm/convert" @@ -45,6 +31,11 @@ const ( LoginSSPI // 7 ) +// String returns the string name of the LoginType +func (typ LoginType) String() string { + return LoginNames[typ] +} + // LoginNames contains the name of LoginType values. var LoginNames = map[LoginType]string{ LoginLDAP: "LDAP (via BindDN)", @@ -55,173 +46,66 @@ var LoginNames = map[LoginType]string{ LoginSSPI: "SPNEGO with SSPI", } -// SecurityProtocolNames contains the name of SecurityProtocol values. -var SecurityProtocolNames = map[ldap.SecurityProtocol]string{ - ldap.SecurityProtocolUnencrypted: "Unencrypted", - ldap.SecurityProtocolLDAPS: "LDAPS", - ldap.SecurityProtocolStartTLS: "StartTLS", -} - -// Ensure structs implemented interface. -var ( - _ convert.Conversion = &LDAPConfig{} - _ convert.Conversion = &SMTPConfig{} - _ convert.Conversion = &PAMConfig{} - _ convert.Conversion = &OAuth2Config{} - _ convert.Conversion = &SSPIConfig{} -) - -// jsonUnmarshalHandleDoubleEncode - due to a bug in xorm (see https://gitea.com/xorm/xorm/pulls/1957) - it's -// possible that a Blob may be double encoded or gain an unwanted prefix of 0xff 0xfe. -func jsonUnmarshalHandleDoubleEncode(bs []byte, v interface{}) error { - json := jsoniter.ConfigCompatibleWithStandardLibrary - err := json.Unmarshal(bs, v) - if err != nil { - ok := true - rs := []byte{} - temp := make([]byte, 2) - for _, rn := range string(bs) { - if rn > 0xffff { - ok = false - break - } - binary.LittleEndian.PutUint16(temp, uint16(rn)) - rs = append(rs, temp...) - } - if ok { - if rs[0] == 0xff && rs[1] == 0xfe { - rs = rs[2:] - } - err = json.Unmarshal(rs, v) - } - } - if err != nil && len(bs) > 2 && bs[0] == 0xff && bs[1] == 0xfe { - err = json.Unmarshal(bs[2:], v) - } - return err -} - -// LDAPConfig holds configuration for LDAP login source. -type LDAPConfig struct { - *ldap.Source -} - -// FromDB fills up a LDAPConfig from serialized format. -func (cfg *LDAPConfig) FromDB(bs []byte) error { - err := jsonUnmarshalHandleDoubleEncode(bs, &cfg) - if err != nil { - return err - } - if cfg.BindPasswordEncrypt != "" { - cfg.BindPassword, err = secret.DecryptSecret(setting.SecretKey, cfg.BindPasswordEncrypt) - cfg.BindPasswordEncrypt = "" - } - return err -} - -// ToDB exports a LDAPConfig to a serialized format. -func (cfg *LDAPConfig) ToDB() ([]byte, error) { - var err error - cfg.BindPasswordEncrypt, err = secret.EncryptSecret(setting.SecretKey, cfg.BindPassword) - if err != nil { - return nil, err - } - cfg.BindPassword = "" - json := jsoniter.ConfigCompatibleWithStandardLibrary - return json.Marshal(cfg) +// LoginConfig represents login config as far as the db is concerned +type LoginConfig interface { + convert.Conversion } -// SecurityProtocolName returns the name of configured security -// protocol. -func (cfg *LDAPConfig) SecurityProtocolName() string { - return SecurityProtocolNames[cfg.SecurityProtocol] +// SkipVerifiable configurations provide a IsSkipVerify to check if SkipVerify is set +type SkipVerifiable interface { + IsSkipVerify() bool } -// SMTPConfig holds configuration for the SMTP login source. -type SMTPConfig struct { - Auth string - Host string - Port int - AllowedDomains string `xorm:"TEXT"` - TLS bool - SkipVerify bool +// HasTLSer configurations provide a HasTLS to check if TLS can be enabled +type HasTLSer interface { + HasTLS() bool } -// FromDB fills up an SMTPConfig from serialized format. -func (cfg *SMTPConfig) FromDB(bs []byte) error { - return jsonUnmarshalHandleDoubleEncode(bs, cfg) +// UseTLSer configurations provide a HasTLS to check if TLS is enabled +type UseTLSer interface { + UseTLS() bool } -// ToDB exports an SMTPConfig to a serialized format. -func (cfg *SMTPConfig) ToDB() ([]byte, error) { - json := jsoniter.ConfigCompatibleWithStandardLibrary - return json.Marshal(cfg) +// SSHKeyProvider configurations provide ProvidesSSHKeys to check if they provide SSHKeys +type SSHKeyProvider interface { + ProvidesSSHKeys() bool } -// PAMConfig holds configuration for the PAM login source. -type PAMConfig struct { - ServiceName string // pam service (e.g. system-auth) - EmailDomain string +// RegisterableSource configurations provide RegisterSource which needs to be run on creation +type RegisterableSource interface { + RegisterSource() error + UnregisterSource() error } -// FromDB fills up a PAMConfig from serialized format. -func (cfg *PAMConfig) FromDB(bs []byte) error { - return jsonUnmarshalHandleDoubleEncode(bs, cfg) +// LoginSourceSettable configurations can have their loginSource set on them +type LoginSourceSettable interface { + SetLoginSource(*LoginSource) } -// ToDB exports a PAMConfig to a serialized format. -func (cfg *PAMConfig) ToDB() ([]byte, error) { - json := jsoniter.ConfigCompatibleWithStandardLibrary - return json.Marshal(cfg) -} - -// OAuth2Config holds configuration for the OAuth2 login source. -type OAuth2Config struct { - Provider string - ClientID string - ClientSecret string - OpenIDConnectAutoDiscoveryURL string - CustomURLMapping *oauth2.CustomURLMapping - IconURL string -} - -// FromDB fills up an OAuth2Config from serialized format. -func (cfg *OAuth2Config) FromDB(bs []byte) error { - return jsonUnmarshalHandleDoubleEncode(bs, cfg) -} - -// ToDB exports an SMTPConfig to a serialized format. -func (cfg *OAuth2Config) ToDB() ([]byte, error) { - json := jsoniter.ConfigCompatibleWithStandardLibrary - return json.Marshal(cfg) -} - -// SSPIConfig holds configuration for SSPI single sign-on. -type SSPIConfig struct { - AutoCreateUsers bool - AutoActivateUsers bool - StripDomainNames bool - SeparatorReplacement string - DefaultLanguage string -} +// RegisterLoginTypeConfig register a config for a provided type +func RegisterLoginTypeConfig(typ LoginType, exemplar LoginConfig) { + if reflect.TypeOf(exemplar).Kind() == reflect.Ptr { + // Pointer: + registeredLoginConfigs[typ] = func() LoginConfig { + return reflect.New(reflect.ValueOf(exemplar).Elem().Type()).Interface().(LoginConfig) + } + return + } -// FromDB fills up an SSPIConfig from serialized format. -func (cfg *SSPIConfig) FromDB(bs []byte) error { - return jsonUnmarshalHandleDoubleEncode(bs, cfg) + // Not a Pointer + registeredLoginConfigs[typ] = func() LoginConfig { + return reflect.New(reflect.TypeOf(exemplar)).Elem().Interface().(LoginConfig) + } } -// ToDB exports an SSPIConfig to a serialized format. -func (cfg *SSPIConfig) ToDB() ([]byte, error) { - json := jsoniter.ConfigCompatibleWithStandardLibrary - return json.Marshal(cfg) -} +var registeredLoginConfigs = map[LoginType]func() LoginConfig{} // LoginSource represents an external way for authorizing users. type LoginSource struct { ID int64 `xorm:"pk autoincr"` Type LoginType Name string `xorm:"UNIQUE"` - IsActived bool `xorm:"INDEX NOT NULL DEFAULT false"` + IsActive bool `xorm:"INDEX NOT NULL DEFAULT false"` IsSyncEnabled bool `xorm:"INDEX NOT NULL DEFAULT false"` Cfg convert.Conversion `xorm:"TEXT"` @@ -245,19 +129,14 @@ func Cell2Int64(val xorm.Cell) int64 { // BeforeSet is invoked from XORM before setting the value of a field of this object. func (source *LoginSource) BeforeSet(colName string, val xorm.Cell) { if colName == "type" { - switch LoginType(Cell2Int64(val)) { - case LoginLDAP, LoginDLDAP: - source.Cfg = new(LDAPConfig) - case LoginSMTP: - source.Cfg = new(SMTPConfig) - case LoginPAM: - source.Cfg = new(PAMConfig) - case LoginOAuth2: - source.Cfg = new(OAuth2Config) - case LoginSSPI: - source.Cfg = new(SSPIConfig) - default: - panic(fmt.Sprintf("unrecognized login source type: %v", *val)) + typ := LoginType(Cell2Int64(val)) + constructor, ok := registeredLoginConfigs[typ] + if !ok { + return + } + source.Cfg = constructor() + if settable, ok := source.Cfg.(LoginSourceSettable); ok { + settable.SetLoginSource(source) } } } @@ -299,59 +178,21 @@ func (source *LoginSource) IsSSPI() bool { // HasTLS returns true of this source supports TLS. func (source *LoginSource) HasTLS() bool { - return ((source.IsLDAP() || source.IsDLDAP()) && - source.LDAP().SecurityProtocol > ldap.SecurityProtocolUnencrypted) || - source.IsSMTP() + hasTLSer, ok := source.Cfg.(HasTLSer) + return ok && hasTLSer.HasTLS() } // UseTLS returns true of this source is configured to use TLS. func (source *LoginSource) UseTLS() bool { - switch source.Type { - case LoginLDAP, LoginDLDAP: - return source.LDAP().SecurityProtocol != ldap.SecurityProtocolUnencrypted - case LoginSMTP: - return source.SMTP().TLS - } - - return false + useTLSer, ok := source.Cfg.(UseTLSer) + return ok && useTLSer.UseTLS() } // SkipVerify returns true if this source is configured to skip SSL // verification. func (source *LoginSource) SkipVerify() bool { - switch source.Type { - case LoginLDAP, LoginDLDAP: - return source.LDAP().SkipVerify - case LoginSMTP: - return source.SMTP().SkipVerify - } - - return false -} - -// LDAP returns LDAPConfig for this source, if of LDAP type. -func (source *LoginSource) LDAP() *LDAPConfig { - return source.Cfg.(*LDAPConfig) -} - -// SMTP returns SMTPConfig for this source, if of SMTP type. -func (source *LoginSource) SMTP() *SMTPConfig { - return source.Cfg.(*SMTPConfig) -} - -// PAM returns PAMConfig for this source, if of PAM type. -func (source *LoginSource) PAM() *PAMConfig { - return source.Cfg.(*PAMConfig) -} - -// OAuth2 returns OAuth2Config for this source, if of OAuth2 type. -func (source *LoginSource) OAuth2() *OAuth2Config { - return source.Cfg.(*OAuth2Config) -} - -// SSPI returns SSPIConfig for this source, if of SSPI type. -func (source *LoginSource) SSPI() *SSPIConfig { - return source.Cfg.(*SSPIConfig) + skipVerifiable, ok := source.Cfg.(SkipVerifiable) + return ok && skipVerifiable.IsSkipVerify() } // CreateLoginSource inserts a LoginSource in the DB if not already @@ -369,16 +210,24 @@ func CreateLoginSource(source *LoginSource) error { } _, err = x.Insert(source) - if err == nil && source.IsOAuth2() && source.IsActived { - oAuth2Config := source.OAuth2() - err = oauth2.RegisterProvider(source.Name, oAuth2Config.Provider, oAuth2Config.ClientID, oAuth2Config.ClientSecret, oAuth2Config.OpenIDConnectAutoDiscoveryURL, oAuth2Config.CustomURLMapping) - err = wrapOpenIDConnectInitializeError(err, source.Name, oAuth2Config) - if err != nil { - // remove the LoginSource in case of errors while registering OAuth2 providers - if _, err := x.Delete(source); err != nil { - log.Error("CreateLoginSource: Error while wrapOpenIDConnectInitializeError: %v", err) - } - return err + if err != nil { + return err + } + + if !source.IsActive { + return nil + } + + registerableSource, ok := source.Cfg.(RegisterableSource) + if !ok { + return nil + } + + err = registerableSource.RegisterSource() + if err != nil { + // remove the LoginSource in case of errors while registering configuration + if _, err := x.Delete(source); err != nil { + log.Error("CreateLoginSource: Error while wrapOpenIDConnectInitializeError: %v", err) } } return err @@ -399,10 +248,19 @@ func LoginSourcesByType(loginType LoginType) ([]*LoginSource, error) { return sources, nil } +// AllActiveLoginSources returns all active sources +func AllActiveLoginSources() ([]*LoginSource, error) { + sources := make([]*LoginSource, 0, 5) + if err := x.Where("is_active = ?", true).Find(&sources); err != nil { + return nil, err + } + return sources, nil +} + // ActiveLoginSources returns all active sources of the specified type func ActiveLoginSources(loginType LoginType) ([]*LoginSource, error) { sources := make([]*LoginSource, 0, 1) - if err := x.Where("is_actived = ? and type = ?", true, loginType).Find(&sources); err != nil { + if err := x.Where("is_active = ? and type = ?", true, loginType).Find(&sources); err != nil { return nil, err } return sources, nil @@ -425,6 +283,14 @@ func IsSSPIEnabled() bool { // GetLoginSourceByID returns login source by given ID. func GetLoginSourceByID(id int64) (*LoginSource, error) { source := new(LoginSource) + if id == 0 { + source.Cfg = registeredLoginConfigs[LoginNoType]() + // Set this source to active + // FIXME: allow disabling of db based password authentication in future + source.IsActive = true + return source, nil + } + has, err := x.ID(id).Get(source) if err != nil { return nil, err @@ -446,16 +312,24 @@ func UpdateSource(source *LoginSource) error { } _, err := x.ID(source.ID).AllCols().Update(source) - if err == nil && source.IsOAuth2() && source.IsActived { - oAuth2Config := source.OAuth2() - err = oauth2.RegisterProvider(source.Name, oAuth2Config.Provider, oAuth2Config.ClientID, oAuth2Config.ClientSecret, oAuth2Config.OpenIDConnectAutoDiscoveryURL, oAuth2Config.CustomURLMapping) - err = wrapOpenIDConnectInitializeError(err, source.Name, oAuth2Config) - if err != nil { - // restore original values since we cannot update the provider it self - if _, err := x.ID(source.ID).AllCols().Update(originalLoginSource); err != nil { - log.Error("UpdateSource: Error while wrapOpenIDConnectInitializeError: %v", err) - } - return err + if err != nil { + return err + } + + if !source.IsActive { + return nil + } + + registerableSource, ok := source.Cfg.(RegisterableSource) + if !ok { + return nil + } + + err = registerableSource.RegisterSource() + if err != nil { + // restore original values since we cannot update the provider it self + if _, err := x.ID(source.ID).AllCols().Update(originalLoginSource); err != nil { + log.Error("UpdateSource: Error while wrapOpenIDConnectInitializeError: %v", err) } } return err @@ -477,8 +351,10 @@ func DeleteSource(source *LoginSource) error { return ErrLoginSourceInUse{source.ID} } - if source.IsOAuth2() { - oauth2.RemoveProvider(source.Name) + if registerableSource, ok := source.Cfg.(RegisterableSource); ok { + if err := registerableSource.UnregisterSource(); err != nil { + return err + } } _, err = x.ID(source.ID).Delete(new(LoginSource)) @@ -490,404 +366,3 @@ func CountLoginSources() int64 { count, _ := x.Count(new(LoginSource)) return count } - -// .____ ________ _____ __________ -// | | \______ \ / _ \\______ \ -// | | | | \ / /_\ \| ___/ -// | |___ | ` \/ | \ | -// |_______ \/_______ /\____|__ /____| -// \/ \/ \/ - -func composeFullName(firstname, surname, username string) string { - switch { - case len(firstname) == 0 && len(surname) == 0: - return username - case len(firstname) == 0: - return surname - case len(surname) == 0: - return firstname - default: - return firstname + " " + surname - } -} - -// LoginViaLDAP queries if login/password is valid against the LDAP directory pool, -// and create a local user if success when enabled. -func LoginViaLDAP(user *User, login, password string, source *LoginSource) (*User, error) { - sr := source.Cfg.(*LDAPConfig).SearchEntry(login, password, source.Type == LoginDLDAP) - if sr == nil { - // User not in LDAP, do nothing - return nil, ErrUserNotExist{0, login, 0} - } - - isAttributeSSHPublicKeySet := len(strings.TrimSpace(source.LDAP().AttributeSSHPublicKey)) > 0 - - // Update User admin flag if exist - if isExist, err := IsUserExist(0, sr.Username); err != nil { - return nil, err - } else if isExist { - if user == nil { - user, err = GetUserByName(sr.Username) - if err != nil { - return nil, err - } - } - if user != nil && !user.ProhibitLogin { - cols := make([]string, 0) - if len(source.LDAP().AdminFilter) > 0 && user.IsAdmin != sr.IsAdmin { - // Change existing admin flag only if AdminFilter option is set - user.IsAdmin = sr.IsAdmin - cols = append(cols, "is_admin") - } - if !user.IsAdmin && len(source.LDAP().RestrictedFilter) > 0 && user.IsRestricted != sr.IsRestricted { - // Change existing restricted flag only if RestrictedFilter option is set - user.IsRestricted = sr.IsRestricted - cols = append(cols, "is_restricted") - } - if len(cols) > 0 { - err = UpdateUserCols(user, cols...) - if err != nil { - return nil, err - } - } - } - } - - if user != nil { - if isAttributeSSHPublicKeySet && synchronizeLdapSSHPublicKeys(user, source, sr.SSHPublicKey) { - return user, RewriteAllPublicKeys() - } - - return user, nil - } - - // Fallback. - if len(sr.Username) == 0 { - sr.Username = login - } - - if len(sr.Mail) == 0 { - sr.Mail = fmt.Sprintf("%s@localhost", sr.Username) - } - - user = &User{ - LowerName: strings.ToLower(sr.Username), - Name: sr.Username, - FullName: composeFullName(sr.Name, sr.Surname, sr.Username), - Email: sr.Mail, - LoginType: source.Type, - LoginSource: source.ID, - LoginName: login, - IsActive: true, - IsAdmin: sr.IsAdmin, - IsRestricted: sr.IsRestricted, - } - - err := CreateUser(user) - - if err == nil && isAttributeSSHPublicKeySet && addLdapSSHPublicKeys(user, source, sr.SSHPublicKey) { - err = RewriteAllPublicKeys() - } - - return user, err -} - -// _________ __________________________ -// / _____/ / \__ ___/\______ \ -// \_____ \ / \ / \| | | ___/ -// / \/ Y \ | | | -// /_______ /\____|__ /____| |____| -// \/ \/ - -type smtpLoginAuth struct { - username, password string -} - -func (auth *smtpLoginAuth) Start(server *smtp.ServerInfo) (string, []byte, error) { - return "LOGIN", []byte(auth.username), nil -} - -func (auth *smtpLoginAuth) Next(fromServer []byte, more bool) ([]byte, error) { - if more { - switch string(fromServer) { - case "Username:": - return []byte(auth.username), nil - case "Password:": - return []byte(auth.password), nil - } - } - return nil, nil -} - -// SMTP authentication type names. -const ( - SMTPPlain = "PLAIN" - SMTPLogin = "LOGIN" -) - -// SMTPAuths contains available SMTP authentication type names. -var SMTPAuths = []string{SMTPPlain, SMTPLogin} - -// SMTPAuth performs an SMTP authentication. -func SMTPAuth(a smtp.Auth, cfg *SMTPConfig) error { - c, err := smtp.Dial(fmt.Sprintf("%s:%d", cfg.Host, cfg.Port)) - if err != nil { - return err - } - defer c.Close() - - if err = c.Hello("gogs"); err != nil { - return err - } - - if cfg.TLS { - if ok, _ := c.Extension("STARTTLS"); ok { - if err = c.StartTLS(&tls.Config{ - InsecureSkipVerify: cfg.SkipVerify, - ServerName: cfg.Host, - }); err != nil { - return err - } - } else { - return errors.New("SMTP server unsupports TLS") - } - } - - if ok, _ := c.Extension("AUTH"); ok { - return c.Auth(a) - } - return ErrUnsupportedLoginType -} - -// LoginViaSMTP queries if login/password is valid against the SMTP, -// and create a local user if success when enabled. -func LoginViaSMTP(user *User, login, password string, sourceID int64, cfg *SMTPConfig) (*User, error) { - // Verify allowed domains. - if len(cfg.AllowedDomains) > 0 { - idx := strings.Index(login, "@") - if idx == -1 { - return nil, ErrUserNotExist{0, login, 0} - } else if !util.IsStringInSlice(login[idx+1:], strings.Split(cfg.AllowedDomains, ","), true) { - return nil, ErrUserNotExist{0, login, 0} - } - } - - var auth smtp.Auth - if cfg.Auth == SMTPPlain { - auth = smtp.PlainAuth("", login, password, cfg.Host) - } else if cfg.Auth == SMTPLogin { - auth = &smtpLoginAuth{login, password} - } else { - return nil, errors.New("Unsupported SMTP auth type") - } - - if err := SMTPAuth(auth, cfg); err != nil { - // Check standard error format first, - // then fallback to worse case. - tperr, ok := err.(*textproto.Error) - if (ok && tperr.Code == 535) || - strings.Contains(err.Error(), "Username and Password not accepted") { - return nil, ErrUserNotExist{0, login, 0} - } - return nil, err - } - - if user != nil { - return user, nil - } - - username := login - idx := strings.Index(login, "@") - if idx > -1 { - username = login[:idx] - } - - user = &User{ - LowerName: strings.ToLower(username), - Name: strings.ToLower(username), - Email: login, - Passwd: password, - LoginType: LoginSMTP, - LoginSource: sourceID, - LoginName: login, - IsActive: true, - } - return user, CreateUser(user) -} - -// __________ _____ _____ -// \______ \/ _ \ / \ -// | ___/ /_\ \ / \ / \ -// | | / | \/ Y \ -// |____| \____|__ /\____|__ / -// \/ \/ - -// LoginViaPAM queries if login/password is valid against the PAM, -// and create a local user if success when enabled. -func LoginViaPAM(user *User, login, password string, sourceID int64, cfg *PAMConfig) (*User, error) { - pamLogin, err := pam.Auth(cfg.ServiceName, login, password) - if err != nil { - if strings.Contains(err.Error(), "Authentication failure") { - return nil, ErrUserNotExist{0, login, 0} - } - return nil, err - } - - if user != nil { - return user, nil - } - - // Allow PAM sources with `@` in their name, like from Active Directory - username := pamLogin - email := pamLogin - idx := strings.Index(pamLogin, "@") - if idx > -1 { - username = pamLogin[:idx] - } - if ValidateEmail(email) != nil { - if cfg.EmailDomain != "" { - email = fmt.Sprintf("%s@%s", username, cfg.EmailDomain) - } else { - email = fmt.Sprintf("%s@%s", username, setting.Service.NoReplyAddress) - } - if ValidateEmail(email) != nil { - email = gouuid.New().String() + "@localhost" - } - } - - user = &User{ - LowerName: strings.ToLower(username), - Name: username, - Email: email, - Passwd: password, - LoginType: LoginPAM, - LoginSource: sourceID, - LoginName: login, // This is what the user typed in - IsActive: true, - } - return user, CreateUser(user) -} - -// ExternalUserLogin attempts a login using external source types. -func ExternalUserLogin(user *User, login, password string, source *LoginSource) (*User, error) { - if !source.IsActived { - return nil, ErrLoginSourceNotActived - } - - var err error - switch source.Type { - case LoginLDAP, LoginDLDAP: - user, err = LoginViaLDAP(user, login, password, source) - case LoginSMTP: - user, err = LoginViaSMTP(user, login, password, source.ID, source.Cfg.(*SMTPConfig)) - case LoginPAM: - user, err = LoginViaPAM(user, login, password, source.ID, source.Cfg.(*PAMConfig)) - default: - return nil, ErrUnsupportedLoginType - } - - if err != nil { - return nil, err - } - - // WARN: DON'T check user.IsActive, that will be checked on reqSign so that - // user could be hint to resend confirm email. - if user.ProhibitLogin { - return nil, ErrUserProhibitLogin{user.ID, user.Name} - } - - return user, nil -} - -// UserSignIn validates user name and password. -func UserSignIn(username, password string) (*User, error) { - var user *User - if strings.Contains(username, "@") { - user = &User{Email: strings.ToLower(strings.TrimSpace(username))} - // check same email - cnt, err := x.Count(user) - if err != nil { - return nil, err - } - if cnt > 1 { - return nil, ErrEmailAlreadyUsed{ - Email: user.Email, - } - } - } else { - trimmedUsername := strings.TrimSpace(username) - if len(trimmedUsername) == 0 { - return nil, ErrUserNotExist{0, username, 0} - } - - user = &User{LowerName: strings.ToLower(trimmedUsername)} - } - - hasUser, err := x.Get(user) - if err != nil { - return nil, err - } - - if hasUser { - switch user.LoginType { - case LoginNoType, LoginPlain, LoginOAuth2: - if user.IsPasswordSet() && user.ValidatePassword(password) { - - // Update password hash if server password hash algorithm have changed - if user.PasswdHashAlgo != setting.PasswordHashAlgo { - if err = user.SetPassword(password); err != nil { - return nil, err - } - if err = UpdateUserCols(user, "passwd", "passwd_hash_algo", "salt"); err != nil { - return nil, err - } - } - - // WARN: DON'T check user.IsActive, that will be checked on reqSign so that - // user could be hint to resend confirm email. - if user.ProhibitLogin { - return nil, ErrUserProhibitLogin{user.ID, user.Name} - } - - return user, nil - } - - return nil, ErrUserNotExist{user.ID, user.Name, 0} - - default: - var source LoginSource - hasSource, err := x.ID(user.LoginSource).Get(&source) - if err != nil { - return nil, err - } else if !hasSource { - return nil, ErrLoginSourceNotExist{user.LoginSource} - } - - return ExternalUserLogin(user, user.LoginName, password, &source) - } - } - - sources := make([]*LoginSource, 0, 5) - if err = x.Where("is_actived = ?", true).Find(&sources); err != nil { - return nil, err - } - - for _, source := range sources { - if source.IsOAuth2() || source.IsSSPI() { - // don't try to authenticate against OAuth2 and SSPI sources here - continue - } - authUser, err := ExternalUserLogin(nil, username, password, source) - if err == nil { - return authUser, nil - } - - if IsErrUserNotExist(err) { - log.Debug("Failed to login '%s' via '%s': %v", username, source.Name, err) - } else { - log.Warn("Failed to login '%s' via '%s': %v", username, source.Name, err) - } - } - - return nil, ErrUserNotExist{user.ID, user.Name, 0} -} diff --git a/models/migrations/fixtures/Test_unwrapLDAPSourceCfg/login_source.yml b/models/migrations/fixtures/Test_unwrapLDAPSourceCfg/login_source.yml new file mode 100644 index 000000000..4b72ba145 --- /dev/null +++ b/models/migrations/fixtures/Test_unwrapLDAPSourceCfg/login_source.yml @@ -0,0 +1,48 @@ +# type LoginSource struct { +# ID int64 `xorm:"pk autoincr"` +# Type int +# Cfg []byte `xorm:"TEXT"` +# Expected []byte `xorm:"TEXT"` +# } +- + id: 1 + type: 1 + is_actived: false + cfg: "{\"Source\":{\"A\":\"string\",\"B\":1}}" + expected: "{\"Source\":{\"A\":\"string\",\"B\":1}}" +- + id: 2 + type: 2 + is_actived: true + cfg: "{\"Source\":{\"A\":\"string2\",\"B\":2}}" + expected: "{\"A\":\"string2\",\"B\":2}" +- + id: 3 + type: 3 + is_actived: false + cfg: "{\"Source\":{\"A\":\"string3\",\"B\":3}}" + expected: "{\"Source\":{\"A\":\"string3\",\"B\":3}}" +- + id: 4 + type: 4 + is_actived: true + cfg: "{\"Source\":{\"A\":\"string4\",\"B\":4}}" + expected: "{\"Source\":{\"A\":\"string4\",\"B\":4}}" +- + id: 5 + type: 5 + is_actived: false + cfg: "{\"Source\":{\"A\":\"string5\",\"B\":5}}" + expected: "{\"A\":\"string5\",\"B\":5}" +- + id: 6 + type: 2 + is_actived: true + cfg: "{\"A\":\"string6\",\"B\":6}" + expected: "{\"A\":\"string6\",\"B\":6}" +- + id: 7 + type: 5 + is_actived: false + cfg: "{\"A\":\"string7\",\"B\":7}" + expected: "{\"A\":\"string7\",\"B\":7}" diff --git a/models/migrations/migrations.go b/models/migrations/migrations.go index 7a4193199..fed7b909c 100644 --- a/models/migrations/migrations.go +++ b/models/migrations/migrations.go @@ -327,6 +327,8 @@ var migrations = []Migration{ NewMigration("Drop unneeded webhook related columns", dropWebhookColumns), // v188 -> v189 NewMigration("Add key is verified to gpg key", addKeyIsVerified), + // v189 -> v190 + NewMigration("Unwrap ldap.Sources", unwrapLDAPSourceCfg), } // GetCurrentDBVersion returns the current db version diff --git a/models/migrations/migrations_test.go b/models/migrations/migrations_test.go index 26066580d..634bfc848 100644 --- a/models/migrations/migrations_test.go +++ b/models/migrations/migrations_test.go @@ -220,6 +220,9 @@ func prepareTestEnv(t *testing.T, skip int, syncModels ...interface{}) (*xorm.En if err := x.Close(); err != nil { t.Errorf("error during close: %v", err) } + if err := deleteDB(); err != nil { + t.Errorf("unable to reset database: %v", err) + } } } if err != nil { diff --git a/models/migrations/v189.go b/models/migrations/v189.go new file mode 100644 index 000000000..42b996353 --- /dev/null +++ b/models/migrations/v189.go @@ -0,0 +1,111 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package migrations + +import ( + "encoding/binary" + "fmt" + + jsoniter "github.com/json-iterator/go" + "xorm.io/xorm" +) + +func unwrapLDAPSourceCfg(x *xorm.Engine) error { + jsonUnmarshalHandleDoubleEncode := func(bs []byte, v interface{}) error { + json := jsoniter.ConfigCompatibleWithStandardLibrary + err := json.Unmarshal(bs, v) + if err != nil { + ok := true + rs := []byte{} + temp := make([]byte, 2) + for _, rn := range string(bs) { + if rn > 0xffff { + ok = false + break + } + binary.LittleEndian.PutUint16(temp, uint16(rn)) + rs = append(rs, temp...) + } + if ok { + if rs[0] == 0xff && rs[1] == 0xfe { + rs = rs[2:] + } + err = json.Unmarshal(rs, v) + } + } + if err != nil && len(bs) > 2 && bs[0] == 0xff && bs[1] == 0xfe { + err = json.Unmarshal(bs[2:], v) + } + return err + } + + // LoginSource represents an external way for authorizing users. + type LoginSource struct { + ID int64 `xorm:"pk autoincr"` + Type int + IsActived bool `xorm:"INDEX NOT NULL DEFAULT false"` + IsActive bool `xorm:"INDEX NOT NULL DEFAULT false"` + Cfg string `xorm:"TEXT"` + } + + const ldapType = 2 + const dldapType = 5 + + type WrappedSource struct { + Source map[string]interface{} + } + + // change lower_email as unique + if err := x.Sync2(new(LoginSource)); err != nil { + return err + } + + sess := x.NewSession() + defer sess.Close() + + const batchSize = 100 + for start := 0; ; start += batchSize { + sources := make([]*LoginSource, 0, batchSize) + if err := sess.Limit(batchSize, start).Where("`type` = ? OR `type` = ?", ldapType, dldapType).Find(&sources); err != nil { + return err + } + if len(sources) == 0 { + break + } + + for _, source := range sources { + wrapped := &WrappedSource{ + Source: map[string]interface{}{}, + } + err := jsonUnmarshalHandleDoubleEncode([]byte(source.Cfg), &wrapped) + if err != nil { + return fmt.Errorf("failed to unmarshal %s: %w", string(source.Cfg), err) + } + if wrapped.Source != nil && len(wrapped.Source) > 0 { + bs, err := jsoniter.Marshal(wrapped.Source) + if err != nil { + return err + } + source.Cfg = string(bs) + if _, err := sess.ID(source.ID).Cols("cfg").Update(source); err != nil { + return err + } + } + } + } + + if _, err := x.SetExpr("is_active", "is_actived").Update(&LoginSource{}); err != nil { + return fmt.Errorf("SetExpr Update failed: %w", err) + } + + if err := sess.Begin(); err != nil { + return err + } + if err := dropTableColumns(sess, "login_source", "is_actived"); err != nil { + return err + } + + return sess.Commit() +} diff --git a/models/migrations/v189_test.go b/models/migrations/v189_test.go new file mode 100644 index 000000000..f4fe6dec3 --- /dev/null +++ b/models/migrations/v189_test.go @@ -0,0 +1,83 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package migrations + +import ( + "testing" + + jsoniter "github.com/json-iterator/go" + "github.com/stretchr/testify/assert" +) + +// LoginSource represents an external way for authorizing users. +type LoginSourceOriginalV189 struct { + ID int64 `xorm:"pk autoincr"` + Type int + IsActived bool `xorm:"INDEX NOT NULL DEFAULT false"` + Cfg string `xorm:"TEXT"` + Expected string `xorm:"TEXT"` +} + +func (ls *LoginSourceOriginalV189) TableName() string { + return "login_source" +} + +func Test_unwrapLDAPSourceCfg(t *testing.T) { + + // Prepare and load the testing database + x, deferable := prepareTestEnv(t, 0, new(LoginSourceOriginalV189)) + if x == nil || t.Failed() { + defer deferable() + return + } + defer deferable() + + // LoginSource represents an external way for authorizing users. + type LoginSource struct { + ID int64 `xorm:"pk autoincr"` + Type int + IsActive bool `xorm:"INDEX NOT NULL DEFAULT false"` + Cfg string `xorm:"TEXT"` + Expected string `xorm:"TEXT"` + } + + // Run the migration + if err := unwrapLDAPSourceCfg(x); err != nil { + assert.NoError(t, err) + return + } + + const batchSize = 100 + for start := 0; ; start += batchSize { + sources := make([]*LoginSource, 0, batchSize) + if err := x.Table("login_source").Limit(batchSize, start).Find(&sources); err != nil { + assert.NoError(t, err) + return + } + + if len(sources) == 0 { + break + } + + for _, source := range sources { + converted := map[string]interface{}{} + expected := map[string]interface{}{} + + if err := jsoniter.Unmarshal([]byte(source.Cfg), &converted); err != nil { + assert.NoError(t, err) + return + } + + if err := jsoniter.Unmarshal([]byte(source.Expected), &expected); err != nil { + assert.NoError(t, err) + return + } + + assert.EqualValues(t, expected, converted, "unwrapLDAPSourceCfg failed for %d", source.ID) + assert.EqualValues(t, source.ID%2 == 0, source.IsActive, "unwrapLDAPSourceCfg failed for %d", source.ID) + } + } + +} diff --git a/models/oauth2.go b/models/oauth2.go index 46da60e02..127e8d760 100644 --- a/models/oauth2.go +++ b/models/oauth2.go @@ -4,89 +4,10 @@ package models -import ( - "sort" - - "code.gitea.io/gitea/modules/auth/oauth2" - "code.gitea.io/gitea/modules/log" -) - -// OAuth2Provider describes the display values of a single OAuth2 provider -type OAuth2Provider struct { - Name string - DisplayName string - Image string - CustomURLMapping *oauth2.CustomURLMapping -} - -// OAuth2Providers contains the map of registered OAuth2 providers in Gitea (based on goth) -// key is used to map the OAuth2Provider with the goth provider type (also in LoginSource.OAuth2Config.Provider) -// value is used to store display data -var OAuth2Providers = map[string]OAuth2Provider{ - "bitbucket": {Name: "bitbucket", DisplayName: "Bitbucket", Image: "/assets/img/auth/bitbucket.png"}, - "dropbox": {Name: "dropbox", DisplayName: "Dropbox", Image: "/assets/img/auth/dropbox.png"}, - "facebook": {Name: "facebook", DisplayName: "Facebook", Image: "/assets/img/auth/facebook.png"}, - "github": { - Name: "github", DisplayName: "GitHub", Image: "/assets/img/auth/github.png", - CustomURLMapping: &oauth2.CustomURLMapping{ - TokenURL: oauth2.GetDefaultTokenURL("github"), - AuthURL: oauth2.GetDefaultAuthURL("github"), - ProfileURL: oauth2.GetDefaultProfileURL("github"), - EmailURL: oauth2.GetDefaultEmailURL("github"), - }, - }, - "gitlab": { - Name: "gitlab", DisplayName: "GitLab", Image: "/assets/img/auth/gitlab.png", - CustomURLMapping: &oauth2.CustomURLMapping{ - TokenURL: oauth2.GetDefaultTokenURL("gitlab"), - AuthURL: oauth2.GetDefaultAuthURL("gitlab"), - ProfileURL: oauth2.GetDefaultProfileURL("gitlab"), - }, - }, - "gplus": {Name: "gplus", DisplayName: "Google", Image: "/assets/img/auth/google.png"}, - "openidConnect": {Name: "openidConnect", DisplayName: "OpenID Connect", Image: "/assets/img/auth/openid_connect.svg"}, - "twitter": {Name: "twitter", DisplayName: "Twitter", Image: "/assets/img/auth/twitter.png"}, - "discord": {Name: "discord", DisplayName: "Discord", Image: "/assets/img/auth/discord.png"}, - "gitea": { - Name: "gitea", DisplayName: "Gitea", Image: "/assets/img/auth/gitea.png", - CustomURLMapping: &oauth2.CustomURLMapping{ - TokenURL: oauth2.GetDefaultTokenURL("gitea"), - AuthURL: oauth2.GetDefaultAuthURL("gitea"), - ProfileURL: oauth2.GetDefaultProfileURL("gitea"), - }, - }, - "nextcloud": { - Name: "nextcloud", DisplayName: "Nextcloud", Image: "/assets/img/auth/nextcloud.png", - CustomURLMapping: &oauth2.CustomURLMapping{ - TokenURL: oauth2.GetDefaultTokenURL("nextcloud"), - AuthURL: oauth2.GetDefaultAuthURL("nextcloud"), - ProfileURL: oauth2.GetDefaultProfileURL("nextcloud"), - }, - }, - "yandex": {Name: "yandex", DisplayName: "Yandex", Image: "/assets/img/auth/yandex.png"}, - "mastodon": { - Name: "mastodon", DisplayName: "Mastodon", Image: "/assets/img/auth/mastodon.png", - CustomURLMapping: &oauth2.CustomURLMapping{ - AuthURL: oauth2.GetDefaultAuthURL("mastodon"), - }, - }, -} - -// OAuth2DefaultCustomURLMappings contains the map of default URL's for OAuth2 providers that are allowed to have custom urls -// key is used to map the OAuth2Provider -// value is the mapping as defined for the OAuth2Provider -var OAuth2DefaultCustomURLMappings = map[string]*oauth2.CustomURLMapping{ - "github": OAuth2Providers["github"].CustomURLMapping, - "gitlab": OAuth2Providers["gitlab"].CustomURLMapping, - "gitea": OAuth2Providers["gitea"].CustomURLMapping, - "nextcloud": OAuth2Providers["nextcloud"].CustomURLMapping, - "mastodon": OAuth2Providers["mastodon"].CustomURLMapping, -} - // GetActiveOAuth2ProviderLoginSources returns all actived LoginOAuth2 sources func GetActiveOAuth2ProviderLoginSources() ([]*LoginSource, error) { sources := make([]*LoginSource, 0, 1) - if err := x.Where("is_actived = ? and type = ?", true, LoginOAuth2).Find(&sources); err != nil { + if err := x.Where("is_active = ? and type = ?", true, LoginOAuth2).Find(&sources); err != nil { return nil, err } return sources, nil @@ -95,81 +16,10 @@ func GetActiveOAuth2ProviderLoginSources() ([]*LoginSource, error) { // GetActiveOAuth2LoginSourceByName returns a OAuth2 LoginSource based on the given name func GetActiveOAuth2LoginSourceByName(name string) (*LoginSource, error) { loginSource := new(LoginSource) - has, err := x.Where("name = ? and type = ? and is_actived = ?", name, LoginOAuth2, true).Get(loginSource) + has, err := x.Where("name = ? and type = ? and is_active = ?", name, LoginOAuth2, true).Get(loginSource) if !has || err != nil { return nil, err } return loginSource, nil } - -// GetActiveOAuth2Providers returns the map of configured active OAuth2 providers -// key is used as technical name (like in the callbackURL) -// values to display -func GetActiveOAuth2Providers() ([]string, map[string]OAuth2Provider, error) { - // Maybe also separate used and unused providers so we can force the registration of only 1 active provider for each type - - loginSources, err := GetActiveOAuth2ProviderLoginSources() - if err != nil { - return nil, nil, err - } - - var orderedKeys []string - providers := make(map[string]OAuth2Provider) - for _, source := range loginSources { - prov := OAuth2Providers[source.OAuth2().Provider] - if source.OAuth2().IconURL != "" { - prov.Image = source.OAuth2().IconURL - } - providers[source.Name] = prov - orderedKeys = append(orderedKeys, source.Name) - } - - sort.Strings(orderedKeys) - - return orderedKeys, providers, nil -} - -// InitOAuth2 initialize the OAuth2 lib and register all active OAuth2 providers in the library -func InitOAuth2() error { - if err := oauth2.InitSigningKey(); err != nil { - return err - } - if err := oauth2.Init(x); err != nil { - return err - } - return initOAuth2LoginSources() -} - -// ResetOAuth2 clears existing OAuth2 providers and loads them from DB -func ResetOAuth2() error { - oauth2.ClearProviders() - return initOAuth2LoginSources() -} - -// initOAuth2LoginSources is used to load and register all active OAuth2 providers -func initOAuth2LoginSources() error { - loginSources, _ := GetActiveOAuth2ProviderLoginSources() - for _, source := range loginSources { - oAuth2Config := source.OAuth2() - err := oauth2.RegisterProvider(source.Name, oAuth2Config.Provider, oAuth2Config.ClientID, oAuth2Config.ClientSecret, oAuth2Config.OpenIDConnectAutoDiscoveryURL, oAuth2Config.CustomURLMapping) - if err != nil { - log.Critical("Unable to register source: %s due to Error: %v. This source will be disabled.", source.Name, err) - source.IsActived = false - if err = UpdateSource(source); err != nil { - log.Critical("Unable to update source %s to disable it. Error: %v", err) - return err - } - } - } - return nil -} - -// wrapOpenIDConnectInitializeError is used to wrap the error but this cannot be done in modules/auth/oauth2 -// inside oauth2: import cycle not allowed models -> modules/auth/oauth2 -> models -func wrapOpenIDConnectInitializeError(err error, providerName string, oAuth2Config *OAuth2Config) error { - if err != nil && "openidConnect" == oAuth2Config.Provider { - err = ErrOpenIDConnectInitialize{ProviderName: providerName, OpenIDConnectAutoDiscoveryURL: oAuth2Config.OpenIDConnectAutoDiscoveryURL, Cause: err} - } - return err -} diff --git a/models/oauth2_application.go b/models/oauth2_application.go index 5a924763b..2aa9fbd3d 100644 --- a/models/oauth2_application.go +++ b/models/oauth2_application.go @@ -10,14 +10,11 @@ import ( "fmt" "net/url" "strings" - "time" - "code.gitea.io/gitea/modules/auth/oauth2" "code.gitea.io/gitea/modules/secret" "code.gitea.io/gitea/modules/timeutil" "code.gitea.io/gitea/modules/util" - "github.com/dgrijalva/jwt-go" uuid "github.com/google/uuid" "golang.org/x/crypto/bcrypt" "xorm.io/xorm" @@ -516,77 +513,3 @@ func revokeOAuth2Grant(e Engine, grantID, userID int64) error { _, err := e.Delete(&OAuth2Grant{ID: grantID, UserID: userID}) return err } - -////////////////////////////////////////////////////////////// - -// OAuth2TokenType represents the type of token for an oauth application -type OAuth2TokenType int - -const ( - // TypeAccessToken is a token with short lifetime to access the api - TypeAccessToken OAuth2TokenType = 0 - // TypeRefreshToken is token with long lifetime to refresh access tokens obtained by the client - TypeRefreshToken = iota -) - -// OAuth2Token represents a JWT token used to authenticate a client -type OAuth2Token struct { - GrantID int64 `json:"gnt"` - Type OAuth2TokenType `json:"tt"` - Counter int64 `json:"cnt,omitempty"` - jwt.StandardClaims -} - -// ParseOAuth2Token parses a signed jwt string -func ParseOAuth2Token(jwtToken string) (*OAuth2Token, error) { - parsedToken, err := jwt.ParseWithClaims(jwtToken, &OAuth2Token{}, func(token *jwt.Token) (interface{}, error) { - if token.Method == nil || token.Method.Alg() != oauth2.DefaultSigningKey.SigningMethod().Alg() { - return nil, fmt.Errorf("unexpected signing algo: %v", token.Header["alg"]) - } - return oauth2.DefaultSigningKey.VerifyKey(), nil - }) - if err != nil { - return nil, err - } - var token *OAuth2Token - var ok bool - if token, ok = parsedToken.Claims.(*OAuth2Token); !ok || !parsedToken.Valid { - return nil, fmt.Errorf("invalid token") - } - return token, nil -} - -// SignToken signs the token with the JWT secret -func (token *OAuth2Token) SignToken() (string, error) { - token.IssuedAt = time.Now().Unix() - jwtToken := jwt.NewWithClaims(oauth2.DefaultSigningKey.SigningMethod(), token) - oauth2.DefaultSigningKey.PreProcessToken(jwtToken) - return jwtToken.SignedString(oauth2.DefaultSigningKey.SignKey()) -} - -// OIDCToken represents an OpenID Connect id_token -type OIDCToken struct { - jwt.StandardClaims - Nonce string `json:"nonce,omitempty"` - - // Scope profile - Name string `json:"name,omitempty"` - PreferredUsername string `json:"preferred_username,omitempty"` - Profile string `json:"profile,omitempty"` - Picture string `json:"picture,omitempty"` - Website string `json:"website,omitempty"` - Locale string `json:"locale,omitempty"` - UpdatedAt timeutil.TimeStamp `json:"updated_at,omitempty"` - - // Scope email - Email string `json:"email,omitempty"` - EmailVerified bool `json:"email_verified,omitempty"` -} - -// SignToken signs an id_token with the (symmetric) client secret key -func (token *OIDCToken) SignToken(signingKey oauth2.JWTSigningKey) (string, error) { - token.IssuedAt = time.Now().Unix() - jwtToken := jwt.NewWithClaims(signingKey.SigningMethod(), token) - signingKey.PreProcessToken(jwtToken) - return jwtToken.SignedString(signingKey.SignKey()) -} diff --git a/models/repo_unit.go b/models/repo_unit.go index f430e4f7f..c5eac2656 100644 --- a/models/repo_unit.go +++ b/models/repo_unit.go @@ -28,7 +28,7 @@ type UnitConfig struct{} // FromDB fills up a UnitConfig from serialized format. func (cfg *UnitConfig) FromDB(bs []byte) error { - return jsonUnmarshalHandleDoubleEncode(bs, &cfg) + return JSONUnmarshalHandleDoubleEncode(bs, &cfg) } // ToDB exports a UnitConfig to a serialized format. @@ -44,7 +44,7 @@ type ExternalWikiConfig struct { // FromDB fills up a ExternalWikiConfig from serialized format. func (cfg *ExternalWikiConfig) FromDB(bs []byte) error { - return jsonUnmarshalHandleDoubleEncode(bs, &cfg) + return JSONUnmarshalHandleDoubleEncode(bs, &cfg) } // ToDB exports a ExternalWikiConfig to a serialized format. @@ -62,7 +62,7 @@ type ExternalTrackerConfig struct { // FromDB fills up a ExternalTrackerConfig from serialized format. func (cfg *ExternalTrackerConfig) FromDB(bs []byte) error { - return jsonUnmarshalHandleDoubleEncode(bs, &cfg) + return JSONUnmarshalHandleDoubleEncode(bs, &cfg) } // ToDB exports a ExternalTrackerConfig to a serialized format. @@ -80,7 +80,7 @@ type IssuesConfig struct { // FromDB fills up a IssuesConfig from serialized format. func (cfg *IssuesConfig) FromDB(bs []byte) error { - return jsonUnmarshalHandleDoubleEncode(bs, &cfg) + return JSONUnmarshalHandleDoubleEncode(bs, &cfg) } // ToDB exports a IssuesConfig to a serialized format. @@ -104,7 +104,7 @@ type PullRequestsConfig struct { // FromDB fills up a PullRequestsConfig from serialized format. func (cfg *PullRequestsConfig) FromDB(bs []byte) error { - return jsonUnmarshalHandleDoubleEncode(bs, &cfg) + return JSONUnmarshalHandleDoubleEncode(bs, &cfg) } // ToDB exports a PullRequestsConfig to a serialized format. diff --git a/models/ssh_key.go b/models/ssh_key.go index 12c7bc911..6cda4f165 100644 --- a/models/ssh_key.go +++ b/models/ssh_key.go @@ -6,45 +6,18 @@ package models import ( - "bufio" - "crypto/rsa" - "crypto/x509" - "encoding/asn1" - "encoding/base64" - "encoding/binary" - "encoding/pem" - "errors" "fmt" - "io" - "io/ioutil" - "math/big" - "os" - "path/filepath" - "strconv" "strings" - "sync" "time" "code.gitea.io/gitea/modules/log" - "code.gitea.io/gitea/modules/process" - "code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/timeutil" "code.gitea.io/gitea/modules/util" - "golang.org/x/crypto/ssh" - "xorm.io/builder" - "xorm.io/xorm" -) -const ( - tplCommentPrefix = `# gitea public key` - tplPublicKey = tplCommentPrefix + "\n" + `command=%s,no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty %s` + "\n" - - authorizedPrincipalsFile = "authorized_principals" + "xorm.io/builder" ) -var sshOpLocker sync.Mutex - // KeyType specifies the key type type KeyType int @@ -86,413 +59,10 @@ func (key *PublicKey) OmitEmail() string { } // AuthorizedString returns formatted public key string for authorized_keys file. +// +// TODO: Consider dropping this function func (key *PublicKey) AuthorizedString() string { - sb := &strings.Builder{} - _ = setting.SSH.AuthorizedKeysCommandTemplateTemplate.Execute(sb, map[string]interface{}{ - "AppPath": util.ShellEscape(setting.AppPath), - "AppWorkPath": util.ShellEscape(setting.AppWorkPath), - "CustomConf": util.ShellEscape(setting.CustomConf), - "CustomPath": util.ShellEscape(setting.CustomPath), - "Key": key, - }) - - return fmt.Sprintf(tplPublicKey, util.ShellEscape(sb.String()), key.Content) -} - -func extractTypeFromBase64Key(key string) (string, error) { - b, err := base64.StdEncoding.DecodeString(key) - if err != nil || len(b) < 4 { - return "", fmt.Errorf("invalid key format: %v", err) - } - - keyLength := int(binary.BigEndian.Uint32(b)) - if len(b) < 4+keyLength { - return "", fmt.Errorf("invalid key format: not enough length %d", keyLength) - } - - return string(b[4 : 4+keyLength]), nil -} - -const ssh2keyStart = "---- BEGIN SSH2 PUBLIC KEY ----" - -// parseKeyString parses any key string in OpenSSH or SSH2 format to clean OpenSSH string (RFC4253). -func parseKeyString(content string) (string, error) { - // remove whitespace at start and end - content = strings.TrimSpace(content) - - var keyType, keyContent, keyComment string - - if strings.HasPrefix(content, ssh2keyStart) { - // Parse SSH2 file format. - - // Transform all legal line endings to a single "\n". - content = strings.NewReplacer("\r\n", "\n", "\r", "\n").Replace(content) - - lines := strings.Split(content, "\n") - continuationLine := false - - for _, line := range lines { - // Skip lines that: - // 1) are a continuation of the previous line, - // 2) contain ":" as that are comment lines - // 3) contain "-" as that are begin and end tags - if continuationLine || strings.ContainsAny(line, ":-") { - continuationLine = strings.HasSuffix(line, "\\") - } else { - keyContent += line - } - } - - t, err := extractTypeFromBase64Key(keyContent) - if err != nil { - return "", fmt.Errorf("extractTypeFromBase64Key: %v", err) - } - keyType = t - } else { - if strings.Contains(content, "-----BEGIN") { - // Convert PEM Keys to OpenSSH format - // Transform all legal line endings to a single "\n". - content = strings.NewReplacer("\r\n", "\n", "\r", "\n").Replace(content) - - block, _ := pem.Decode([]byte(content)) - if block == nil { - return "", fmt.Errorf("failed to parse PEM block containing the public key") - } - - pub, err := x509.ParsePKIXPublicKey(block.Bytes) - if err != nil { - var pk rsa.PublicKey - _, err2 := asn1.Unmarshal(block.Bytes, &pk) - if err2 != nil { - return "", fmt.Errorf("failed to parse DER encoded public key as either PKIX or PEM RSA Key: %v %v", err, err2) - } - pub = &pk - } - - sshKey, err := ssh.NewPublicKey(pub) - if err != nil { - return "", fmt.Errorf("unable to convert to ssh public key: %v", err) - } - content = string(ssh.MarshalAuthorizedKey(sshKey)) - } - // Parse OpenSSH format. - - // Remove all newlines - content = strings.NewReplacer("\r\n", "", "\n", "").Replace(content) - - parts := strings.SplitN(content, " ", 3) - switch len(parts) { - case 0: - return "", errors.New("empty key") - case 1: - keyContent = parts[0] - case 2: - keyType = parts[0] - keyContent = parts[1] - default: - keyType = parts[0] - keyContent = parts[1] - keyComment = parts[2] - } - - // If keyType is not given, extract it from content. If given, validate it. - t, err := extractTypeFromBase64Key(keyContent) - if err != nil { - return "", fmt.Errorf("extractTypeFromBase64Key: %v", err) - } - if len(keyType) == 0 { - keyType = t - } else if keyType != t { - return "", fmt.Errorf("key type and content does not match: %s - %s", keyType, t) - } - } - // Finally we need to check whether we can actually read the proposed key: - _, _, _, _, err := ssh.ParseAuthorizedKey([]byte(keyType + " " + keyContent + " " + keyComment)) - if err != nil { - return "", fmt.Errorf("invalid ssh public key: %v", err) - } - return keyType + " " + keyContent + " " + keyComment, nil -} - -// writeTmpKeyFile writes key content to a temporary file -// and returns the name of that file, along with any possible errors. -func writeTmpKeyFile(content string) (string, error) { - tmpFile, err := ioutil.TempFile(setting.SSH.KeyTestPath, "gitea_keytest") - if err != nil { - return "", fmt.Errorf("TempFile: %v", err) - } - defer tmpFile.Close() - - if _, err = tmpFile.WriteString(content); err != nil { - return "", fmt.Errorf("WriteString: %v", err) - } - return tmpFile.Name(), nil -} - -// SSHKeyGenParsePublicKey extracts key type and length using ssh-keygen. -func SSHKeyGenParsePublicKey(key string) (string, int, error) { - tmpName, err := writeTmpKeyFile(key) - if err != nil { - return "", 0, fmt.Errorf("writeTmpKeyFile: %v", err) - } - defer func() { - if err := util.Remove(tmpName); err != nil { - log.Warn("Unable to remove temporary key file: %s: Error: %v", tmpName, err) - } - }() - - stdout, stderr, err := process.GetManager().Exec("SSHKeyGenParsePublicKey", setting.SSH.KeygenPath, "-lf", tmpName) - if err != nil { - return "", 0, fmt.Errorf("fail to parse public key: %s - %s", err, stderr) - } - if strings.Contains(stdout, "is not a public key file") { - return "", 0, ErrKeyUnableVerify{stdout} - } - - fields := strings.Split(stdout, " ") - if len(fields) < 4 { - return "", 0, fmt.Errorf("invalid public key line: %s", stdout) - } - - keyType := strings.Trim(fields[len(fields)-1], "()\r\n") - length, err := strconv.ParseInt(fields[0], 10, 32) - if err != nil { - return "", 0, err - } - return strings.ToLower(keyType), int(length), nil -} - -// SSHNativeParsePublicKey extracts the key type and length using the golang SSH library. -func SSHNativeParsePublicKey(keyLine string) (string, int, error) { - fields := strings.Fields(keyLine) - if len(fields) < 2 { - return "", 0, fmt.Errorf("not enough fields in public key line: %s", keyLine) - } - - raw, err := base64.StdEncoding.DecodeString(fields[1]) - if err != nil { - return "", 0, err - } - - pkey, err := ssh.ParsePublicKey(raw) - if err != nil { - if strings.Contains(err.Error(), "ssh: unknown key algorithm") { - return "", 0, ErrKeyUnableVerify{err.Error()} - } - return "", 0, fmt.Errorf("ParsePublicKey: %v", err) - } - - // The ssh library can parse the key, so next we find out what key exactly we have. - switch pkey.Type() { - case ssh.KeyAlgoDSA: - rawPub := struct { - Name string - P, Q, G, Y *big.Int - }{} - if err := ssh.Unmarshal(pkey.Marshal(), &rawPub); err != nil { - return "", 0, err - } - // as per https://bugzilla.mindrot.org/show_bug.cgi?id=1647 we should never - // see dsa keys != 1024 bit, but as it seems to work, we will not check here - return "dsa", rawPub.P.BitLen(), nil // use P as per crypto/dsa/dsa.go (is L) - case ssh.KeyAlgoRSA: - rawPub := struct { - Name string - E *big.Int - N *big.Int - }{} - if err := ssh.Unmarshal(pkey.Marshal(), &rawPub); err != nil { - return "", 0, err - } - return "rsa", rawPub.N.BitLen(), nil // use N as per crypto/rsa/rsa.go (is bits) - case ssh.KeyAlgoECDSA256: - return "ecdsa", 256, nil - case ssh.KeyAlgoECDSA384: - return "ecdsa", 384, nil - case ssh.KeyAlgoECDSA521: - return "ecdsa", 521, nil - case ssh.KeyAlgoED25519: - return "ed25519", 256, nil - case ssh.KeyAlgoSKECDSA256: - return "ecdsa-sk", 256, nil - case ssh.KeyAlgoSKED25519: - return "ed25519-sk", 256, nil - } - return "", 0, fmt.Errorf("unsupported key length detection for type: %s", pkey.Type()) -} - -// CheckPublicKeyString checks if the given public key string is recognized by SSH. -// It returns the actual public key line on success. -func CheckPublicKeyString(content string) (_ string, err error) { - if setting.SSH.Disabled { - return "", ErrSSHDisabled{} - } - - content, err = parseKeyString(content) - if err != nil { - return "", err - } - - content = strings.TrimRight(content, "\n\r") - if strings.ContainsAny(content, "\n\r") { - return "", errors.New("only a single line with a single key please") - } - - // remove any unnecessary whitespace now - content = strings.TrimSpace(content) - - if !setting.SSH.MinimumKeySizeCheck { - return content, nil - } - - var ( - fnName string - keyType string - length int - ) - if setting.SSH.StartBuiltinServer { - fnName = "SSHNativeParsePublicKey" - keyType, length, err = SSHNativeParsePublicKey(content) - } else { - fnName = "SSHKeyGenParsePublicKey" - keyType, length, err = SSHKeyGenParsePublicKey(content) - } - if err != nil { - return "", fmt.Errorf("%s: %v", fnName, err) - } - log.Trace("Key info [native: %v]: %s-%d", setting.SSH.StartBuiltinServer, keyType, length) - - if minLen, found := setting.SSH.MinimumKeySizes[keyType]; found && length >= minLen { - return content, nil - } else if found && length < minLen { - return "", fmt.Errorf("key length is not enough: got %d, needs %d", length, minLen) - } - return "", fmt.Errorf("key type is not allowed: %s", keyType) -} - -// appendAuthorizedKeysToFile appends new SSH keys' content to authorized_keys file. -func appendAuthorizedKeysToFile(keys ...*PublicKey) error { - // Don't need to rewrite this file if builtin SSH server is enabled. - if setting.SSH.StartBuiltinServer || !setting.SSH.CreateAuthorizedKeysFile { - return nil - } - - sshOpLocker.Lock() - defer sshOpLocker.Unlock() - - if setting.SSH.RootPath != "" { - // First of ensure that the RootPath is present, and if not make it with 0700 permissions - // This of course doesn't guarantee that this is the right directory for authorized_keys - // but at least if it's supposed to be this directory and it doesn't exist and we're the - // right user it will at least be created properly. - err := os.MkdirAll(setting.SSH.RootPath, 0o700) - if err != nil { - log.Error("Unable to MkdirAll(%s): %v", setting.SSH.RootPath, err) - return err - } - } - - fPath := filepath.Join(setting.SSH.RootPath, "authorized_keys") - f, err := os.OpenFile(fPath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o600) - if err != nil { - return err - } - defer f.Close() - - // Note: chmod command does not support in Windows. - if !setting.IsWindows { - fi, err := f.Stat() - if err != nil { - return err - } - - // .ssh directory should have mode 700, and authorized_keys file should have mode 600. - if fi.Mode().Perm() > 0o600 { - log.Error("authorized_keys file has unusual permission flags: %s - setting to -rw-------", fi.Mode().Perm().String()) - if err = f.Chmod(0o600); err != nil { - return err - } - } - } - - for _, key := range keys { - if key.Type == KeyTypePrincipal { - continue - } - if _, err = f.WriteString(key.AuthorizedString()); err != nil { - return err - } - } - return nil -} - -// checkKeyFingerprint only checks if key fingerprint has been used as public key, -// it is OK to use same key as deploy key for multiple repositories/users. -func checkKeyFingerprint(e Engine, fingerprint string) error { - has, err := e.Get(&PublicKey{ - Fingerprint: fingerprint, - }) - if err != nil { - return err - } else if has { - return ErrKeyAlreadyExist{0, fingerprint, ""} - } - return nil -} - -func calcFingerprintSSHKeygen(publicKeyContent string) (string, error) { - // Calculate fingerprint. - tmpPath, err := writeTmpKeyFile(publicKeyContent) - if err != nil { - return "", err - } - defer func() { - if err := util.Remove(tmpPath); err != nil { - log.Warn("Unable to remove temporary key file: %s: Error: %v", tmpPath, err) - } - }() - stdout, stderr, err := process.GetManager().Exec("AddPublicKey", "ssh-keygen", "-lf", tmpPath) - if err != nil { - if strings.Contains(stderr, "is not a public key file") { - return "", ErrKeyUnableVerify{stderr} - } - return "", fmt.Errorf("'ssh-keygen -lf %s' failed with error '%s': %s", tmpPath, err, stderr) - } else if len(stdout) < 2 { - return "", errors.New("not enough output for calculating fingerprint: " + stdout) - } - return strings.Split(stdout, " ")[1], nil -} - -func calcFingerprintNative(publicKeyContent string) (string, error) { - // Calculate fingerprint. - pk, _, _, _, err := ssh.ParseAuthorizedKey([]byte(publicKeyContent)) - if err != nil { - return "", err - } - return ssh.FingerprintSHA256(pk), nil -} - -func calcFingerprint(publicKeyContent string) (string, error) { - // Call the method based on configuration - var ( - fnName, fp string - err error - ) - if setting.SSH.StartBuiltinServer { - fnName = "calcFingerprintNative" - fp, err = calcFingerprintNative(publicKeyContent) - } else { - fnName = "calcFingerprintSSHKeygen" - fp, err = calcFingerprintSSHKeygen(publicKeyContent) - } - if err != nil { - if IsErrKeyUnableVerify(err) { - log.Info("%s", publicKeyContent) - return "", err - } - return "", fmt.Errorf("%s: %v", fnName, err) - } - return fp, nil + return AuthorizedStringForKey(key) } func addKey(e Engine, key *PublicKey) (err error) { @@ -635,8 +205,8 @@ func ListPublicKeys(uid int64, listOptions ListOptions) ([]*PublicKey, error) { return keys, sess.Find(&keys) } -// ListPublicLdapSSHKeys returns a list of synchronized public ldap ssh keys belongs to given user and login source. -func ListPublicLdapSSHKeys(uid, loginSourceID int64) ([]*PublicKey, error) { +// ListPublicKeysBySource returns a list of synchronized public keys for a given user and login source. +func ListPublicKeysBySource(uid, loginSourceID int64) ([]*PublicKey, error) { keys := make([]*PublicKey, 0, 5) return keys, x. Where("owner_id = ? AND login_source_id = ?", uid, loginSourceID). @@ -708,11 +278,7 @@ keyloop: } } - ldapSource := source.LDAP() - if ldapSource != nil && - source.IsSyncEnabled && - (source.Type == LoginLDAP || source.Type == LoginDLDAP) && - len(strings.TrimSpace(ldapSource.AttributeSSHPublicKey)) > 0 { + if sshKeyProvider, ok := source.Cfg.(SSHKeyProvider); ok && sshKeyProvider.ProvidesSSHKeys() { // Disable setting SSH keys for this user externals[i] = true } @@ -737,11 +303,7 @@ func PublicKeyIsExternallyManaged(id int64) (bool, error) { } return false, err } - ldapSource := source.LDAP() - if ldapSource != nil && - source.IsSyncEnabled && - (source.Type == LoginLDAP || source.Type == LoginDLDAP) && - len(strings.TrimSpace(ldapSource.AttributeSSHPublicKey)) > 0 { + if sshKeyProvider, ok := source.Cfg.(SSHKeyProvider); ok && sshKeyProvider.ProvidesSSHKeys() { // Disable setting SSH keys for this user return true, nil } @@ -782,603 +344,139 @@ func DeletePublicKey(doer *User, id int64) (err error) { return RewriteAllPublicKeys() } -// RewriteAllPublicKeys removes any authorized key and rewrite all keys from database again. -// Note: x.Iterate does not get latest data after insert/delete, so we have to call this function -// outside any session scope independently. -func RewriteAllPublicKeys() error { - return rewriteAllPublicKeys(x) -} - -func rewriteAllPublicKeys(e Engine) error { - // Don't rewrite key if internal server - if setting.SSH.StartBuiltinServer || !setting.SSH.CreateAuthorizedKeysFile { - return nil - } - - sshOpLocker.Lock() - defer sshOpLocker.Unlock() - - if setting.SSH.RootPath != "" { - // First of ensure that the RootPath is present, and if not make it with 0700 permissions - // This of course doesn't guarantee that this is the right directory for authorized_keys - // but at least if it's supposed to be this directory and it doesn't exist and we're the - // right user it will at least be created properly. - err := os.MkdirAll(setting.SSH.RootPath, 0o700) - if err != nil { - log.Error("Unable to MkdirAll(%s): %v", setting.SSH.RootPath, err) - return err - } - } - - fPath := filepath.Join(setting.SSH.RootPath, "authorized_keys") - tmpPath := fPath + ".tmp" - t, err := os.OpenFile(tmpPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0o600) - if err != nil { - return err - } - defer func() { - t.Close() - if err := util.Remove(tmpPath); err != nil { - log.Warn("Unable to remove temporary authorized keys file: %s: Error: %v", tmpPath, err) - } - }() - - if setting.SSH.AuthorizedKeysBackup { - isExist, err := util.IsExist(fPath) - if err != nil { - log.Error("Unable to check if %s exists. Error: %v", fPath, err) - return err - } - if isExist { - bakPath := fmt.Sprintf("%s_%d.gitea_bak", fPath, time.Now().Unix()) - if err = util.CopyFile(fPath, bakPath); err != nil { - return err - } - } - } - - if err := regeneratePublicKeys(e, t); err != nil { - return err - } - - t.Close() - return util.Rename(tmpPath, fPath) -} - -// RegeneratePublicKeys regenerates the authorized_keys file -func RegeneratePublicKeys(t io.StringWriter) error { - return regeneratePublicKeys(x, t) -} - -func regeneratePublicKeys(e Engine, t io.StringWriter) error { - if err := e.Where("type != ?", KeyTypePrincipal).Iterate(new(PublicKey), func(idx int, bean interface{}) (err error) { - _, err = t.WriteString((bean.(*PublicKey)).AuthorizedString()) - return err - }); err != nil { - return err - } - - fPath := filepath.Join(setting.SSH.RootPath, "authorized_keys") - isExist, err := util.IsExist(fPath) - if err != nil { - log.Error("Unable to check if %s exists. Error: %v", fPath, err) - return err - } - if isExist { - f, err := os.Open(fPath) - if err != nil { - return err - } - scanner := bufio.NewScanner(f) - for scanner.Scan() { - line := scanner.Text() - if strings.HasPrefix(line, tplCommentPrefix) { - scanner.Scan() - continue - } - _, err = t.WriteString(line + "\n") - if err != nil { - f.Close() - return err - } - } - f.Close() - } - return nil -} - -// ________ .__ ____ __. -// \______ \ ____ ______ | | ____ ___.__.| |/ _|____ ___.__. -// | | \_/ __ \\____ \| | / _ < | || <_/ __ < | | -// | ` \ ___/| |_> > |_( <_> )___ || | \ ___/\___ | -// /_______ /\___ > __/|____/\____// ____||____|__ \___ > ____| -// \/ \/|__| \/ \/ \/\/ - -// DeployKey represents deploy key information and its relation with repository. -type DeployKey struct { - ID int64 `xorm:"pk autoincr"` - KeyID int64 `xorm:"UNIQUE(s) INDEX"` - RepoID int64 `xorm:"UNIQUE(s) INDEX"` - Name string - Fingerprint string - Content string `xorm:"-"` - - Mode AccessMode `xorm:"NOT NULL DEFAULT 1"` - - CreatedUnix timeutil.TimeStamp `xorm:"created"` - UpdatedUnix timeutil.TimeStamp `xorm:"updated"` - HasRecentActivity bool `xorm:"-"` - HasUsed bool `xorm:"-"` -} - -// AfterLoad is invoked from XORM after setting the values of all fields of this object. -func (key *DeployKey) AfterLoad() { - key.HasUsed = key.UpdatedUnix > key.CreatedUnix - key.HasRecentActivity = key.UpdatedUnix.AddDuration(7*24*time.Hour) > timeutil.TimeStampNow() -} - -// GetContent gets associated public key content. -func (key *DeployKey) GetContent() error { - pkey, err := GetPublicKeyByID(key.KeyID) - if err != nil { - return err - } - key.Content = pkey.Content - return nil -} - -// IsReadOnly checks if the key can only be used for read operations -func (key *DeployKey) IsReadOnly() bool { - return key.Mode == AccessModeRead -} - -func checkDeployKey(e Engine, keyID, repoID int64, name string) error { - // Note: We want error detail, not just true or false here. - has, err := e. - Where("key_id = ? AND repo_id = ?", keyID, repoID). - Get(new(DeployKey)) - if err != nil { - return err - } else if has { - return ErrDeployKeyAlreadyExist{keyID, repoID} - } - - has, err = e. - Where("repo_id = ? AND name = ?", repoID, name). - Get(new(DeployKey)) - if err != nil { - return err - } else if has { - return ErrDeployKeyNameAlreadyUsed{repoID, name} - } - - return nil -} - -// addDeployKey adds new key-repo relation. -func addDeployKey(e *xorm.Session, keyID, repoID int64, name, fingerprint string, mode AccessMode) (*DeployKey, error) { - if err := checkDeployKey(e, keyID, repoID, name); err != nil { - return nil, err - } - - key := &DeployKey{ - KeyID: keyID, - RepoID: repoID, - Name: name, - Fingerprint: fingerprint, - Mode: mode, - } - _, err := e.Insert(key) - return key, err -} - -// HasDeployKey returns true if public key is a deploy key of given repository. -func HasDeployKey(keyID, repoID int64) bool { - has, _ := x. - Where("key_id = ? AND repo_id = ?", keyID, repoID). - Get(new(DeployKey)) - return has -} - -// AddDeployKey add new deploy key to database and authorized_keys file. -func AddDeployKey(repoID int64, name, content string, readOnly bool) (*DeployKey, error) { - fingerprint, err := calcFingerprint(content) - if err != nil { - return nil, err - } - - accessMode := AccessModeRead - if !readOnly { - accessMode = AccessModeWrite - } - - sess := x.NewSession() - defer sess.Close() - if err = sess.Begin(); err != nil { - return nil, err - } - - pkey := &PublicKey{ - Fingerprint: fingerprint, - } - has, err := sess.Get(pkey) - if err != nil { - return nil, err - } - - if has { - if pkey.Type != KeyTypeDeploy { - return nil, ErrKeyAlreadyExist{0, fingerprint, ""} - } - } else { - // First time use this deploy key. - pkey.Mode = accessMode - pkey.Type = KeyTypeDeploy - pkey.Content = content - pkey.Name = name - if err = addKey(sess, pkey); err != nil { - return nil, fmt.Errorf("addKey: %v", err) - } - } - - key, err := addDeployKey(sess, pkey.ID, repoID, name, pkey.Fingerprint, accessMode) - if err != nil { - return nil, err - } - - return key, sess.Commit() -} - -// GetDeployKeyByID returns deploy key by given ID. -func GetDeployKeyByID(id int64) (*DeployKey, error) { - return getDeployKeyByID(x, id) -} - -func getDeployKeyByID(e Engine, id int64) (*DeployKey, error) { - key := new(DeployKey) - has, err := e.ID(id).Get(key) - if err != nil { - return nil, err - } else if !has { - return nil, ErrDeployKeyNotExist{id, 0, 0} - } - return key, nil -} - -// GetDeployKeyByRepo returns deploy key by given public key ID and repository ID. -func GetDeployKeyByRepo(keyID, repoID int64) (*DeployKey, error) { - return getDeployKeyByRepo(x, keyID, repoID) -} - -func getDeployKeyByRepo(e Engine, keyID, repoID int64) (*DeployKey, error) { - key := &DeployKey{ - KeyID: keyID, - RepoID: repoID, - } - has, err := e.Get(key) - if err != nil { - return nil, err - } else if !has { - return nil, ErrDeployKeyNotExist{0, keyID, repoID} - } - return key, nil -} - -// UpdateDeployKeyCols updates deploy key information in the specified columns. -func UpdateDeployKeyCols(key *DeployKey, cols ...string) error { - _, err := x.ID(key.ID).Cols(cols...).Update(key) - return err -} - -// UpdateDeployKey updates deploy key information. -func UpdateDeployKey(key *DeployKey) error { - _, err := x.ID(key.ID).AllCols().Update(key) - return err -} - -// DeleteDeployKey deletes deploy key from its repository authorized_keys file if needed. -func DeleteDeployKey(doer *User, id int64) error { +// deleteKeysMarkedForDeletion returns true if ssh keys needs update +func deleteKeysMarkedForDeletion(keys []string) (bool, error) { + // Start session sess := x.NewSession() defer sess.Close() if err := sess.Begin(); err != nil { - return err - } - if err := deleteDeployKey(sess, doer, id); err != nil { - return err - } - return sess.Commit() -} - -func deleteDeployKey(sess Engine, doer *User, id int64) error { - key, err := getDeployKeyByID(sess, id) - if err != nil { - if IsErrDeployKeyNotExist(err) { - return nil - } - return fmt.Errorf("GetDeployKeyByID: %v", err) + return false, err } - // Check if user has access to delete this key. - if !doer.IsAdmin { - repo, err := getRepositoryByID(sess, key.RepoID) - if err != nil { - return fmt.Errorf("GetRepositoryByID: %v", err) - } - has, err := isUserRepoAdmin(sess, repo, doer) + // Delete keys marked for deletion + var sshKeysNeedUpdate bool + for _, KeyToDelete := range keys { + key, err := searchPublicKeyByContentWithEngine(sess, KeyToDelete) if err != nil { - return fmt.Errorf("GetUserRepoPermission: %v", err) - } else if !has { - return ErrKeyAccessDenied{doer.ID, key.ID, "deploy"} - } - } - - if _, err = sess.ID(key.ID).Delete(new(DeployKey)); err != nil { - return fmt.Errorf("delete deploy key [%d]: %v", key.ID, err) - } - - // Check if this is the last reference to same key content. - has, err := sess. - Where("key_id = ?", key.KeyID). - Get(new(DeployKey)) - if err != nil { - return err - } else if !has { - if err = deletePublicKeys(sess, key.KeyID); err != nil { - return err + log.Error("SearchPublicKeyByContent: %v", err) + continue } - - // after deleted the public keys, should rewrite the public keys file - if err = rewriteAllPublicKeys(sess); err != nil { - return err + if err = deletePublicKeys(sess, key.ID); err != nil { + log.Error("deletePublicKeys: %v", err) + continue } + sshKeysNeedUpdate = true } - return nil -} - -// ListDeployKeys returns all deploy keys by given repository ID. -func ListDeployKeys(repoID int64, listOptions ListOptions) ([]*DeployKey, error) { - return listDeployKeys(x, repoID, listOptions) -} - -func listDeployKeys(e Engine, repoID int64, listOptions ListOptions) ([]*DeployKey, error) { - sess := e.Where("repo_id = ?", repoID) - if listOptions.Page != 0 { - sess = listOptions.setSessionPagination(sess) - - keys := make([]*DeployKey, 0, listOptions.PageSize) - return keys, sess.Find(&keys) - } - - keys := make([]*DeployKey, 0, 5) - return keys, sess.Find(&keys) -} - -// SearchDeployKeys returns a list of deploy keys matching the provided arguments. -func SearchDeployKeys(repoID, keyID int64, fingerprint string) ([]*DeployKey, error) { - keys := make([]*DeployKey, 0, 5) - cond := builder.NewCond() - if repoID != 0 { - cond = cond.And(builder.Eq{"repo_id": repoID}) - } - if keyID != 0 { - cond = cond.And(builder.Eq{"key_id": keyID}) - } - if fingerprint != "" { - cond = cond.And(builder.Eq{"fingerprint": fingerprint}) - } - return keys, x.Where(cond).Find(&keys) -} - -// __________ .__ .__ .__ -// \______ _______|__| ____ ____ |_____________ | | ______ -// | ___\_ __ | |/ \_/ ___\| \____ \__ \ | | / ___/ -// | | | | \| | | \ \___| | |_> / __ \| |__\___ \ -// |____| |__| |__|___| /\___ |__| __(____ |____/____ > -// \/ \/ |__| \/ \/ - -// AddPrincipalKey adds new principal to database and authorized_principals file. -func AddPrincipalKey(ownerID int64, content string, loginSourceID int64) (*PublicKey, error) { - sess := x.NewSession() - defer sess.Close() - if err := sess.Begin(); err != nil { - return nil, err - } - - // Principals cannot be duplicated. - has, err := sess. - Where("content = ? AND type = ?", content, KeyTypePrincipal). - Get(new(PublicKey)) - if err != nil { - return nil, err - } else if has { - return nil, ErrKeyAlreadyExist{0, "", content} - } - - key := &PublicKey{ - OwnerID: ownerID, - Name: content, - Content: content, - Mode: AccessModeWrite, - Type: KeyTypePrincipal, - LoginSourceID: loginSourceID, - } - if err = addPrincipalKey(sess, key); err != nil { - return nil, fmt.Errorf("addKey: %v", err) - } - - if err = sess.Commit(); err != nil { - return nil, err - } - - sess.Close() - - return key, RewriteAllPrincipalKeys() -} - -func addPrincipalKey(e Engine, key *PublicKey) (err error) { - // Save Key representing a principal. - if _, err = e.Insert(key); err != nil { - return err + if err := sess.Commit(); err != nil { + return false, err } - return nil + return sshKeysNeedUpdate, nil } -// CheckPrincipalKeyString strips spaces and returns an error if the given principal contains newlines -func CheckPrincipalKeyString(user *User, content string) (_ string, err error) { - if setting.SSH.Disabled { - return "", ErrSSHDisabled{} - } - - content = strings.TrimSpace(content) - if strings.ContainsAny(content, "\r\n") { - return "", errors.New("only a single line with a single principal please") - } - - // check all the allowed principals, email, username or anything - // if any matches, return ok - for _, v := range setting.SSH.AuthorizedPrincipalsAllow { - switch v { - case "anything": - return content, nil - case "email": - emails, err := GetEmailAddresses(user.ID) +// AddPublicKeysBySource add a users public keys. Returns true if there are changes. +func AddPublicKeysBySource(usr *User, s *LoginSource, sshPublicKeys []string) bool { + var sshKeysNeedUpdate bool + for _, sshKey := range sshPublicKeys { + var err error + found := false + keys := []byte(sshKey) + loop: + for len(keys) > 0 && err == nil { + var out ssh.PublicKey + // We ignore options as they are not relevant to Gitea + out, _, _, keys, err = ssh.ParseAuthorizedKey(keys) if err != nil { - return "", err + break loop } - for _, email := range emails { - if !email.IsActivated { - continue - } - if content == email.Email { - return content, nil + found = true + marshalled := string(ssh.MarshalAuthorizedKey(out)) + marshalled = marshalled[:len(marshalled)-1] + sshKeyName := fmt.Sprintf("%s-%s", s.Name, ssh.FingerprintSHA256(out)) + + if _, err := AddPublicKey(usr.ID, sshKeyName, marshalled, s.ID); err != nil { + if IsErrKeyAlreadyExist(err) { + log.Trace("AddPublicKeysBySource[%s]: Public SSH Key %s already exists for user", sshKeyName, usr.Name) + } else { + log.Error("AddPublicKeysBySource[%s]: Error adding Public SSH Key for user %s: %v", sshKeyName, usr.Name, err) } + } else { + log.Trace("AddPublicKeysBySource[%s]: Added Public SSH Key for user %s", sshKeyName, usr.Name) + sshKeysNeedUpdate = true } - - case "username": - if content == user.Name { - return content, nil - } + } + if !found && err != nil { + log.Warn("AddPublicKeysBySource[%s]: Skipping invalid Public SSH Key for user %s: %v", s.Name, usr.Name, sshKey) } } - - return "", fmt.Errorf("didn't match allowed principals: %s", setting.SSH.AuthorizedPrincipalsAllow) + return sshKeysNeedUpdate } -// RewriteAllPrincipalKeys removes any authorized principal and rewrite all keys from database again. -// Note: x.Iterate does not get latest data after insert/delete, so we have to call this function -// outside any session scope independently. -func RewriteAllPrincipalKeys() error { - return rewriteAllPrincipalKeys(x) -} +// SynchronizePublicKeys updates a users public keys. Returns true if there are changes. +func SynchronizePublicKeys(usr *User, s *LoginSource, sshPublicKeys []string) bool { + var sshKeysNeedUpdate bool -func rewriteAllPrincipalKeys(e Engine) error { - // Don't rewrite key if internal server - if setting.SSH.StartBuiltinServer || !setting.SSH.CreateAuthorizedPrincipalsFile { - return nil - } - - sshOpLocker.Lock() - defer sshOpLocker.Unlock() + log.Trace("synchronizePublicKeys[%s]: Handling Public SSH Key synchronization for user %s", s.Name, usr.Name) - if setting.SSH.RootPath != "" { - // First of ensure that the RootPath is present, and if not make it with 0700 permissions - // This of course doesn't guarantee that this is the right directory for authorized_keys - // but at least if it's supposed to be this directory and it doesn't exist and we're the - // right user it will at least be created properly. - err := os.MkdirAll(setting.SSH.RootPath, 0o700) - if err != nil { - log.Error("Unable to MkdirAll(%s): %v", setting.SSH.RootPath, err) - return err - } + // Get Public Keys from DB with current LDAP source + var giteaKeys []string + keys, err := ListPublicKeysBySource(usr.ID, s.ID) + if err != nil { + log.Error("synchronizePublicKeys[%s]: Error listing Public SSH Keys for user %s: %v", s.Name, usr.Name, err) } - fPath := filepath.Join(setting.SSH.RootPath, authorizedPrincipalsFile) - tmpPath := fPath + ".tmp" - t, err := os.OpenFile(tmpPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0o600) - if err != nil { - return err + for _, v := range keys { + giteaKeys = append(giteaKeys, v.OmitEmail()) } - defer func() { - t.Close() - os.Remove(tmpPath) - }() - if setting.SSH.AuthorizedPrincipalsBackup { - isExist, err := util.IsExist(fPath) - if err != nil { - log.Error("Unable to check if %s exists. Error: %v", fPath, err) - return err - } - if isExist { - bakPath := fmt.Sprintf("%s_%d.gitea_bak", fPath, time.Now().Unix()) - if err = util.CopyFile(fPath, bakPath); err != nil { - return err + // Process the provided keys to remove duplicates and name part + var providedKeys []string + for _, v := range sshPublicKeys { + sshKeySplit := strings.Split(v, " ") + if len(sshKeySplit) > 1 { + key := strings.Join(sshKeySplit[:2], " ") + if !util.ExistsInSlice(key, providedKeys) { + providedKeys = append(providedKeys, key) } } } - if err := regeneratePrincipalKeys(e, t); err != nil { - return err + // Check if Public Key sync is needed + if util.IsEqualSlice(giteaKeys, providedKeys) { + log.Trace("synchronizePublicKeys[%s]: Public Keys are already in sync for %s (Source:%v/DB:%v)", s.Name, usr.Name, len(providedKeys), len(giteaKeys)) + return false } + log.Trace("synchronizePublicKeys[%s]: Public Key needs update for user %s (Source:%v/DB:%v)", s.Name, usr.Name, len(providedKeys), len(giteaKeys)) - t.Close() - return util.Rename(tmpPath, fPath) -} - -// ListPrincipalKeys returns a list of principals belongs to given user. -func ListPrincipalKeys(uid int64, listOptions ListOptions) ([]*PublicKey, error) { - sess := x.Where("owner_id = ? AND type = ?", uid, KeyTypePrincipal) - if listOptions.Page != 0 { - sess = listOptions.setSessionPagination(sess) - - keys := make([]*PublicKey, 0, listOptions.PageSize) - return keys, sess.Find(&keys) + // Add new Public SSH Keys that doesn't already exist in DB + var newKeys []string + for _, key := range providedKeys { + if !util.ExistsInSlice(key, giteaKeys) { + newKeys = append(newKeys, key) + } + } + if AddPublicKeysBySource(usr, s, newKeys) { + sshKeysNeedUpdate = true } - keys := make([]*PublicKey, 0, 5) - return keys, sess.Find(&keys) -} - -// RegeneratePrincipalKeys regenerates the authorized_principals file -func RegeneratePrincipalKeys(t io.StringWriter) error { - return regeneratePrincipalKeys(x, t) -} - -func regeneratePrincipalKeys(e Engine, t io.StringWriter) error { - if err := e.Where("type = ?", KeyTypePrincipal).Iterate(new(PublicKey), func(idx int, bean interface{}) (err error) { - _, err = t.WriteString((bean.(*PublicKey)).AuthorizedString()) - return err - }); err != nil { - return err + // Mark keys from DB that no longer exist in the source for deletion + var giteaKeysToDelete []string + for _, giteaKey := range giteaKeys { + if !util.ExistsInSlice(giteaKey, providedKeys) { + log.Trace("synchronizePublicKeys[%s]: Marking Public SSH Key for deletion for user %s: %v", s.Name, usr.Name, giteaKey) + giteaKeysToDelete = append(giteaKeysToDelete, giteaKey) + } } - fPath := filepath.Join(setting.SSH.RootPath, authorizedPrincipalsFile) - isExist, err := util.IsExist(fPath) + // Delete keys from DB that no longer exist in the source + needUpd, err := deleteKeysMarkedForDeletion(giteaKeysToDelete) if err != nil { - log.Error("Unable to check if %s exists. Error: %v", fPath, err) - return err + log.Error("synchronizePublicKeys[%s]: Error deleting Public Keys marked for deletion for user %s: %v", s.Name, usr.Name, err) } - if isExist { - f, err := os.Open(fPath) - if err != nil { - return err - } - scanner := bufio.NewScanner(f) - for scanner.Scan() { - line := scanner.Text() - if strings.HasPrefix(line, tplCommentPrefix) { - scanner.Scan() - continue - } - _, err = t.WriteString(line + "\n") - if err != nil { - f.Close() - return err - } - } - f.Close() + if needUpd { + sshKeysNeedUpdate = true } - return nil + + return sshKeysNeedUpdate } diff --git a/models/ssh_key_authorized_keys.go b/models/ssh_key_authorized_keys.go new file mode 100644 index 000000000..5736477a0 --- /dev/null +++ b/models/ssh_key_authorized_keys.go @@ -0,0 +1,219 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package models + +import ( + "bufio" + "fmt" + "io" + "os" + "path/filepath" + "strings" + "sync" + "time" + + "code.gitea.io/gitea/modules/log" + "code.gitea.io/gitea/modules/setting" + "code.gitea.io/gitea/modules/util" +) + +// _____ __ .__ .__ .___ +// / _ \ __ ___/ |_| |__ ___________|__|_______ ____ __| _/ +// / /_\ \| | \ __\ | \ / _ \_ __ \ \___ // __ \ / __ | +// / | \ | /| | | Y ( <_> ) | \/ |/ /\ ___// /_/ | +// \____|__ /____/ |__| |___| /\____/|__| |__/_____ \\___ >____ | +// \/ \/ \/ \/ \/ +// ____ __. +// | |/ _|____ ___.__. ______ +// | <_/ __ < | |/ ___/ +// | | \ ___/\___ |\___ \ +// |____|__ \___ > ____/____ > +// \/ \/\/ \/ +// +// This file contains functions for creating authorized_keys files +// +// There is a dependence on the database within RegeneratePublicKeys however most of these functions probably belong in a module + +const ( + tplCommentPrefix = `# gitea public key` + tplPublicKey = tplCommentPrefix + "\n" + `command=%s,no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty %s` + "\n" +) + +var sshOpLocker sync.Mutex + +// AuthorizedStringForKey creates the authorized keys string appropriate for the provided key +func AuthorizedStringForKey(key *PublicKey) string { + sb := &strings.Builder{} + _ = setting.SSH.AuthorizedKeysCommandTemplateTemplate.Execute(sb, map[string]interface{}{ + "AppPath": util.ShellEscape(setting.AppPath), + "AppWorkPath": util.ShellEscape(setting.AppWorkPath), + "CustomConf": util.ShellEscape(setting.CustomConf), + "CustomPath": util.ShellEscape(setting.CustomPath), + "Key": key, + }) + + return fmt.Sprintf(tplPublicKey, util.ShellEscape(sb.String()), key.Content) +} + +// appendAuthorizedKeysToFile appends new SSH keys' content to authorized_keys file. +func appendAuthorizedKeysToFile(keys ...*PublicKey) error { + // Don't need to rewrite this file if builtin SSH server is enabled. + if setting.SSH.StartBuiltinServer || !setting.SSH.CreateAuthorizedKeysFile { + return nil + } + + sshOpLocker.Lock() + defer sshOpLocker.Unlock() + + if setting.SSH.RootPath != "" { + // First of ensure that the RootPath is present, and if not make it with 0700 permissions + // This of course doesn't guarantee that this is the right directory for authorized_keys + // but at least if it's supposed to be this directory and it doesn't exist and we're the + // right user it will at least be created properly. + err := os.MkdirAll(setting.SSH.RootPath, 0o700) + if err != nil { + log.Error("Unable to MkdirAll(%s): %v", setting.SSH.RootPath, err) + return err + } + } + + fPath := filepath.Join(setting.SSH.RootPath, "authorized_keys") + f, err := os.OpenFile(fPath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o600) + if err != nil { + return err + } + defer f.Close() + + // Note: chmod command does not support in Windows. + if !setting.IsWindows { + fi, err := f.Stat() + if err != nil { + return err + } + + // .ssh directory should have mode 700, and authorized_keys file should have mode 600. + if fi.Mode().Perm() > 0o600 { + log.Error("authorized_keys file has unusual permission flags: %s - setting to -rw-------", fi.Mode().Perm().String()) + if err = f.Chmod(0o600); err != nil { + return err + } + } + } + + for _, key := range keys { + if key.Type == KeyTypePrincipal { + continue + } + if _, err = f.WriteString(key.AuthorizedString()); err != nil { + return err + } + } + return nil +} + +// RewriteAllPublicKeys removes any authorized key and rewrite all keys from database again. +// Note: x.Iterate does not get latest data after insert/delete, so we have to call this function +// outside any session scope independently. +func RewriteAllPublicKeys() error { + return rewriteAllPublicKeys(x) +} + +func rewriteAllPublicKeys(e Engine) error { + // Don't rewrite key if internal server + if setting.SSH.StartBuiltinServer || !setting.SSH.CreateAuthorizedKeysFile { + return nil + } + + sshOpLocker.Lock() + defer sshOpLocker.Unlock() + + if setting.SSH.RootPath != "" { + // First of ensure that the RootPath is present, and if not make it with 0700 permissions + // This of course doesn't guarantee that this is the right directory for authorized_keys + // but at least if it's supposed to be this directory and it doesn't exist and we're the + // right user it will at least be created properly. + err := os.MkdirAll(setting.SSH.RootPath, 0o700) + if err != nil { + log.Error("Unable to MkdirAll(%s): %v", setting.SSH.RootPath, err) + return err + } + } + + fPath := filepath.Join(setting.SSH.RootPath, "authorized_keys") + tmpPath := fPath + ".tmp" + t, err := os.OpenFile(tmpPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0o600) + if err != nil { + return err + } + defer func() { + t.Close() + if err := util.Remove(tmpPath); err != nil { + log.Warn("Unable to remove temporary authorized keys file: %s: Error: %v", tmpPath, err) + } + }() + + if setting.SSH.AuthorizedKeysBackup { + isExist, err := util.IsExist(fPath) + if err != nil { + log.Error("Unable to check if %s exists. Error: %v", fPath, err) + return err + } + if isExist { + bakPath := fmt.Sprintf("%s_%d.gitea_bak", fPath, time.Now().Unix()) + if err = util.CopyFile(fPath, bakPath); err != nil { + return err + } + } + } + + if err := regeneratePublicKeys(e, t); err != nil { + return err + } + + t.Close() + return util.Rename(tmpPath, fPath) +} + +// RegeneratePublicKeys regenerates the authorized_keys file +func RegeneratePublicKeys(t io.StringWriter) error { + return regeneratePublicKeys(x, t) +} + +func regeneratePublicKeys(e Engine, t io.StringWriter) error { + if err := e.Where("type != ?", KeyTypePrincipal).Iterate(new(PublicKey), func(idx int, bean interface{}) (err error) { + _, err = t.WriteString((bean.(*PublicKey)).AuthorizedString()) + return err + }); err != nil { + return err + } + + fPath := filepath.Join(setting.SSH.RootPath, "authorized_keys") + isExist, err := util.IsExist(fPath) + if err != nil { + log.Error("Unable to check if %s exists. Error: %v", fPath, err) + return err + } + if isExist { + f, err := os.Open(fPath) + if err != nil { + return err + } + scanner := bufio.NewScanner(f) + for scanner.Scan() { + line := scanner.Text() + if strings.HasPrefix(line, tplCommentPrefix) { + scanner.Scan() + continue + } + _, err = t.WriteString(line + "\n") + if err != nil { + f.Close() + return err + } + } + f.Close() + } + return nil +} diff --git a/models/ssh_key_authorized_principals.go b/models/ssh_key_authorized_principals.go new file mode 100644 index 000000000..f90ab267a --- /dev/null +++ b/models/ssh_key_authorized_principals.go @@ -0,0 +1,142 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package models + +import ( + "bufio" + "fmt" + "io" + "os" + "path/filepath" + "strings" + "time" + + "code.gitea.io/gitea/modules/log" + "code.gitea.io/gitea/modules/setting" + "code.gitea.io/gitea/modules/util" +) + +// _____ __ .__ .__ .___ +// / _ \ __ ___/ |_| |__ ___________|__|_______ ____ __| _/ +// / /_\ \| | \ __\ | \ / _ \_ __ \ \___ // __ \ / __ | +// / | \ | /| | | Y ( <_> ) | \/ |/ /\ ___// /_/ | +// \____|__ /____/ |__| |___| /\____/|__| |__/_____ \\___ >____ | +// \/ \/ \/ \/ \/ +// __________ .__ .__ .__ +// \______ _______|__| ____ ____ |_____________ | | ______ +// | ___\_ __ | |/ \_/ ___\| \____ \__ \ | | / ___/ +// | | | | \| | | \ \___| | |_> / __ \| |__\___ \ +// |____| |__| |__|___| /\___ |__| __(____ |____/____ > +// \/ \/ |__| \/ \/ +// +// This file contains functions for creating authorized_principals files +// +// There is a dependence on the database within RewriteAllPrincipalKeys & RegeneratePrincipalKeys +// The sshOpLocker is used from ssh_key_authorized_keys.go + +const authorizedPrincipalsFile = "authorized_principals" + +// RewriteAllPrincipalKeys removes any authorized principal and rewrite all keys from database again. +// Note: x.Iterate does not get latest data after insert/delete, so we have to call this function +// outside any session scope independently. +func RewriteAllPrincipalKeys() error { + return rewriteAllPrincipalKeys(x) +} + +func rewriteAllPrincipalKeys(e Engine) error { + // Don't rewrite key if internal server + if setting.SSH.StartBuiltinServer || !setting.SSH.CreateAuthorizedPrincipalsFile { + return nil + } + + sshOpLocker.Lock() + defer sshOpLocker.Unlock() + + if setting.SSH.RootPath != "" { + // First of ensure that the RootPath is present, and if not make it with 0700 permissions + // This of course doesn't guarantee that this is the right directory for authorized_keys + // but at least if it's supposed to be this directory and it doesn't exist and we're the + // right user it will at least be created properly. + err := os.MkdirAll(setting.SSH.RootPath, 0o700) + if err != nil { + log.Error("Unable to MkdirAll(%s): %v", setting.SSH.RootPath, err) + return err + } + } + + fPath := filepath.Join(setting.SSH.RootPath, authorizedPrincipalsFile) + tmpPath := fPath + ".tmp" + t, err := os.OpenFile(tmpPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0o600) + if err != nil { + return err + } + defer func() { + t.Close() + os.Remove(tmpPath) + }() + + if setting.SSH.AuthorizedPrincipalsBackup { + isExist, err := util.IsExist(fPath) + if err != nil { + log.Error("Unable to check if %s exists. Error: %v", fPath, err) + return err + } + if isExist { + bakPath := fmt.Sprintf("%s_%d.gitea_bak", fPath, time.Now().Unix()) + if err = util.CopyFile(fPath, bakPath); err != nil { + return err + } + } + } + + if err := regeneratePrincipalKeys(e, t); err != nil { + return err + } + + t.Close() + return util.Rename(tmpPath, fPath) +} + +// RegeneratePrincipalKeys regenerates the authorized_principals file +func RegeneratePrincipalKeys(t io.StringWriter) error { + return regeneratePrincipalKeys(x, t) +} + +func regeneratePrincipalKeys(e Engine, t io.StringWriter) error { + if err := e.Where("type = ?", KeyTypePrincipal).Iterate(new(PublicKey), func(idx int, bean interface{}) (err error) { + _, err = t.WriteString((bean.(*PublicKey)).AuthorizedString()) + return err + }); err != nil { + return err + } + + fPath := filepath.Join(setting.SSH.RootPath, authorizedPrincipalsFile) + isExist, err := util.IsExist(fPath) + if err != nil { + log.Error("Unable to check if %s exists. Error: %v", fPath, err) + return err + } + if isExist { + f, err := os.Open(fPath) + if err != nil { + return err + } + scanner := bufio.NewScanner(f) + for scanner.Scan() { + line := scanner.Text() + if strings.HasPrefix(line, tplCommentPrefix) { + scanner.Scan() + continue + } + _, err = t.WriteString(line + "\n") + if err != nil { + f.Close() + return err + } + } + f.Close() + } + return nil +} diff --git a/models/ssh_key_deploy.go b/models/ssh_key_deploy.go new file mode 100644 index 000000000..3189bcf45 --- /dev/null +++ b/models/ssh_key_deploy.go @@ -0,0 +1,299 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package models + +import ( + "fmt" + "time" + + "code.gitea.io/gitea/modules/timeutil" + "xorm.io/builder" + "xorm.io/xorm" +) + +// ________ .__ ____ __. +// \______ \ ____ ______ | | ____ ___.__.| |/ _|____ ___.__. +// | | \_/ __ \\____ \| | / _ < | || <_/ __ < | | +// | ` \ ___/| |_> > |_( <_> )___ || | \ ___/\___ | +// /_______ /\___ > __/|____/\____// ____||____|__ \___ > ____| +// \/ \/|__| \/ \/ \/\/ +// +// This file contains functions specific to DeployKeys + +// DeployKey represents deploy key information and its relation with repository. +type DeployKey struct { + ID int64 `xorm:"pk autoincr"` + KeyID int64 `xorm:"UNIQUE(s) INDEX"` + RepoID int64 `xorm:"UNIQUE(s) INDEX"` + Name string + Fingerprint string + Content string `xorm:"-"` + + Mode AccessMode `xorm:"NOT NULL DEFAULT 1"` + + CreatedUnix timeutil.TimeStamp `xorm:"created"` + UpdatedUnix timeutil.TimeStamp `xorm:"updated"` + HasRecentActivity bool `xorm:"-"` + HasUsed bool `xorm:"-"` +} + +// AfterLoad is invoked from XORM after setting the values of all fields of this object. +func (key *DeployKey) AfterLoad() { + key.HasUsed = key.UpdatedUnix > key.CreatedUnix + key.HasRecentActivity = key.UpdatedUnix.AddDuration(7*24*time.Hour) > timeutil.TimeStampNow() +} + +// GetContent gets associated public key content. +func (key *DeployKey) GetContent() error { + pkey, err := GetPublicKeyByID(key.KeyID) + if err != nil { + return err + } + key.Content = pkey.Content + return nil +} + +// IsReadOnly checks if the key can only be used for read operations +func (key *DeployKey) IsReadOnly() bool { + return key.Mode == AccessModeRead +} + +func checkDeployKey(e Engine, keyID, repoID int64, name string) error { + // Note: We want error detail, not just true or false here. + has, err := e. + Where("key_id = ? AND repo_id = ?", keyID, repoID). + Get(new(DeployKey)) + if err != nil { + return err + } else if has { + return ErrDeployKeyAlreadyExist{keyID, repoID} + } + + has, err = e. + Where("repo_id = ? AND name = ?", repoID, name). + Get(new(DeployKey)) + if err != nil { + return err + } else if has { + return ErrDeployKeyNameAlreadyUsed{repoID, name} + } + + return nil +} + +// addDeployKey adds new key-repo relation. +func addDeployKey(e *xorm.Session, keyID, repoID int64, name, fingerprint string, mode AccessMode) (*DeployKey, error) { + if err := checkDeployKey(e, keyID, repoID, name); err != nil { + return nil, err + } + + key := &DeployKey{ + KeyID: keyID, + RepoID: repoID, + Name: name, + Fingerprint: fingerprint, + Mode: mode, + } + _, err := e.Insert(key) + return key, err +} + +// HasDeployKey returns true if public key is a deploy key of given repository. +func HasDeployKey(keyID, repoID int64) bool { + has, _ := x. + Where("key_id = ? AND repo_id = ?", keyID, repoID). + Get(new(DeployKey)) + return has +} + +// AddDeployKey add new deploy key to database and authorized_keys file. +func AddDeployKey(repoID int64, name, content string, readOnly bool) (*DeployKey, error) { + fingerprint, err := calcFingerprint(content) + if err != nil { + return nil, err + } + + accessMode := AccessModeRead + if !readOnly { + accessMode = AccessModeWrite + } + + sess := x.NewSession() + defer sess.Close() + if err = sess.Begin(); err != nil { + return nil, err + } + + pkey := &PublicKey{ + Fingerprint: fingerprint, + } + has, err := sess.Get(pkey) + if err != nil { + return nil, err + } + + if has { + if pkey.Type != KeyTypeDeploy { + return nil, ErrKeyAlreadyExist{0, fingerprint, ""} + } + } else { + // First time use this deploy key. + pkey.Mode = accessMode + pkey.Type = KeyTypeDeploy + pkey.Content = content + pkey.Name = name + if err = addKey(sess, pkey); err != nil { + return nil, fmt.Errorf("addKey: %v", err) + } + } + + key, err := addDeployKey(sess, pkey.ID, repoID, name, pkey.Fingerprint, accessMode) + if err != nil { + return nil, err + } + + return key, sess.Commit() +} + +// GetDeployKeyByID returns deploy key by given ID. +func GetDeployKeyByID(id int64) (*DeployKey, error) { + return getDeployKeyByID(x, id) +} + +func getDeployKeyByID(e Engine, id int64) (*DeployKey, error) { + key := new(DeployKey) + has, err := e.ID(id).Get(key) + if err != nil { + return nil, err + } else if !has { + return nil, ErrDeployKeyNotExist{id, 0, 0} + } + return key, nil +} + +// GetDeployKeyByRepo returns deploy key by given public key ID and repository ID. +func GetDeployKeyByRepo(keyID, repoID int64) (*DeployKey, error) { + return getDeployKeyByRepo(x, keyID, repoID) +} + +func getDeployKeyByRepo(e Engine, keyID, repoID int64) (*DeployKey, error) { + key := &DeployKey{ + KeyID: keyID, + RepoID: repoID, + } + has, err := e.Get(key) + if err != nil { + return nil, err + } else if !has { + return nil, ErrDeployKeyNotExist{0, keyID, repoID} + } + return key, nil +} + +// UpdateDeployKeyCols updates deploy key information in the specified columns. +func UpdateDeployKeyCols(key *DeployKey, cols ...string) error { + _, err := x.ID(key.ID).Cols(cols...).Update(key) + return err +} + +// UpdateDeployKey updates deploy key information. +func UpdateDeployKey(key *DeployKey) error { + _, err := x.ID(key.ID).AllCols().Update(key) + return err +} + +// DeleteDeployKey deletes deploy key from its repository authorized_keys file if needed. +func DeleteDeployKey(doer *User, id int64) error { + sess := x.NewSession() + defer sess.Close() + if err := sess.Begin(); err != nil { + return err + } + if err := deleteDeployKey(sess, doer, id); err != nil { + return err + } + return sess.Commit() +} + +func deleteDeployKey(sess Engine, doer *User, id int64) error { + key, err := getDeployKeyByID(sess, id) + if err != nil { + if IsErrDeployKeyNotExist(err) { + return nil + } + return fmt.Errorf("GetDeployKeyByID: %v", err) + } + + // Check if user has access to delete this key. + if !doer.IsAdmin { + repo, err := getRepositoryByID(sess, key.RepoID) + if err != nil { + return fmt.Errorf("GetRepositoryByID: %v", err) + } + has, err := isUserRepoAdmin(sess, repo, doer) + if err != nil { + return fmt.Errorf("GetUserRepoPermission: %v", err) + } else if !has { + return ErrKeyAccessDenied{doer.ID, key.ID, "deploy"} + } + } + + if _, err = sess.ID(key.ID).Delete(new(DeployKey)); err != nil { + return fmt.Errorf("delete deploy key [%d]: %v", key.ID, err) + } + + // Check if this is the last reference to same key content. + has, err := sess. + Where("key_id = ?", key.KeyID). + Get(new(DeployKey)) + if err != nil { + return err + } else if !has { + if err = deletePublicKeys(sess, key.KeyID); err != nil { + return err + } + + // after deleted the public keys, should rewrite the public keys file + if err = rewriteAllPublicKeys(sess); err != nil { + return err + } + } + + return nil +} + +// ListDeployKeys returns all deploy keys by given repository ID. +func ListDeployKeys(repoID int64, listOptions ListOptions) ([]*DeployKey, error) { + return listDeployKeys(x, repoID, listOptions) +} + +func listDeployKeys(e Engine, repoID int64, listOptions ListOptions) ([]*DeployKey, error) { + sess := e.Where("repo_id = ?", repoID) + if listOptions.Page != 0 { + sess = listOptions.setSessionPagination(sess) + + keys := make([]*DeployKey, 0, listOptions.PageSize) + return keys, sess.Find(&keys) + } + + keys := make([]*DeployKey, 0, 5) + return keys, sess.Find(&keys) +} + +// SearchDeployKeys returns a list of deploy keys matching the provided arguments. +func SearchDeployKeys(repoID, keyID int64, fingerprint string) ([]*DeployKey, error) { + keys := make([]*DeployKey, 0, 5) + cond := builder.NewCond() + if repoID != 0 { + cond = cond.And(builder.Eq{"repo_id": repoID}) + } + if keyID != 0 { + cond = cond.And(builder.Eq{"key_id": keyID}) + } + if fingerprint != "" { + cond = cond.And(builder.Eq{"fingerprint": fingerprint}) + } + return keys, x.Where(cond).Find(&keys) +} diff --git a/models/ssh_key_fingerprint.go b/models/ssh_key_fingerprint.go new file mode 100644 index 000000000..96cc7d9c4 --- /dev/null +++ b/models/ssh_key_fingerprint.go @@ -0,0 +1,97 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package models + +import ( + "errors" + "fmt" + "strings" + + "code.gitea.io/gitea/modules/log" + "code.gitea.io/gitea/modules/process" + "code.gitea.io/gitea/modules/setting" + "code.gitea.io/gitea/modules/util" + "golang.org/x/crypto/ssh" +) + +// ___________.__ .__ __ +// \_ _____/|__| ____ ____ ________________________|__| _____/ |_ +// | __) | |/ \ / ___\_/ __ \_ __ \____ \_ __ \ |/ \ __\ +// | \ | | | \/ /_/ > ___/| | \/ |_> > | \/ | | \ | +// \___ / |__|___| /\___ / \___ >__| | __/|__| |__|___| /__| +// \/ \//_____/ \/ |__| \/ +// +// This file contains functions for fingerprinting SSH keys +// +// The database is used in checkKeyFingerprint however most of these functions probably belong in a module + +// checkKeyFingerprint only checks if key fingerprint has been used as public key, +// it is OK to use same key as deploy key for multiple repositories/users. +func checkKeyFingerprint(e Engine, fingerprint string) error { + has, err := e.Get(&PublicKey{ + Fingerprint: fingerprint, + }) + if err != nil { + return err + } else if has { + return ErrKeyAlreadyExist{0, fingerprint, ""} + } + return nil +} + +func calcFingerprintSSHKeygen(publicKeyContent string) (string, error) { + // Calculate fingerprint. + tmpPath, err := writeTmpKeyFile(publicKeyContent) + if err != nil { + return "", err + } + defer func() { + if err := util.Remove(tmpPath); err != nil { + log.Warn("Unable to remove temporary key file: %s: Error: %v", tmpPath, err) + } + }() + stdout, stderr, err := process.GetManager().Exec("AddPublicKey", "ssh-keygen", "-lf", tmpPath) + if err != nil { + if strings.Contains(stderr, "is not a public key file") { + return "", ErrKeyUnableVerify{stderr} + } + return "", fmt.Errorf("'ssh-keygen -lf %s' failed with error '%s': %s", tmpPath, err, stderr) + } else if len(stdout) < 2 { + return "", errors.New("not enough output for calculating fingerprint: " + stdout) + } + return strings.Split(stdout, " ")[1], nil +} + +func calcFingerprintNative(publicKeyContent string) (string, error) { + // Calculate fingerprint. + pk, _, _, _, err := ssh.ParseAuthorizedKey([]byte(publicKeyContent)) + if err != nil { + return "", err + } + return ssh.FingerprintSHA256(pk), nil +} + +func calcFingerprint(publicKeyContent string) (string, error) { + // Call the method based on configuration + var ( + fnName, fp string + err error + ) + if setting.SSH.StartBuiltinServer { + fnName = "calcFingerprintNative" + fp, err = calcFingerprintNative(publicKeyContent) + } else { + fnName = "calcFingerprintSSHKeygen" + fp, err = calcFingerprintSSHKeygen(publicKeyContent) + } + if err != nil { + if IsErrKeyUnableVerify(err) { + log.Info("%s", publicKeyContent) + return "", err + } + return "", fmt.Errorf("%s: %v", fnName, err) + } + return fp, nil +} diff --git a/models/ssh_key_parse.go b/models/ssh_key_parse.go new file mode 100644 index 000000000..a86b7de02 --- /dev/null +++ b/models/ssh_key_parse.go @@ -0,0 +1,309 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package models + +import ( + "crypto/rsa" + "crypto/x509" + "encoding/asn1" + "encoding/base64" + "encoding/binary" + "encoding/pem" + "errors" + "fmt" + "io/ioutil" + "math/big" + "strconv" + "strings" + + "code.gitea.io/gitea/modules/log" + "code.gitea.io/gitea/modules/process" + "code.gitea.io/gitea/modules/setting" + "code.gitea.io/gitea/modules/util" + "golang.org/x/crypto/ssh" +) + +// ____ __. __________ +// | |/ _|____ ___.__. \______ \_____ _______ ______ ___________ +// | <_/ __ < | | | ___/\__ \\_ __ \/ ___// __ \_ __ \ +// | | \ ___/\___ | | | / __ \| | \/\___ \\ ___/| | \/ +// |____|__ \___ > ____| |____| (____ /__| /____ >\___ >__| +// \/ \/\/ \/ \/ \/ +// +// This file contains functiosn for parsing ssh-keys +// +// TODO: Consider if these functions belong in models - no other models function call them or are called by them +// They may belong in a service or a module + +const ssh2keyStart = "---- BEGIN SSH2 PUBLIC KEY ----" + +func extractTypeFromBase64Key(key string) (string, error) { + b, err := base64.StdEncoding.DecodeString(key) + if err != nil || len(b) < 4 { + return "", fmt.Errorf("invalid key format: %v", err) + } + + keyLength := int(binary.BigEndian.Uint32(b)) + if len(b) < 4+keyLength { + return "", fmt.Errorf("invalid key format: not enough length %d", keyLength) + } + + return string(b[4 : 4+keyLength]), nil +} + +// parseKeyString parses any key string in OpenSSH or SSH2 format to clean OpenSSH string (RFC4253). +func parseKeyString(content string) (string, error) { + // remove whitespace at start and end + content = strings.TrimSpace(content) + + var keyType, keyContent, keyComment string + + if strings.HasPrefix(content, ssh2keyStart) { + // Parse SSH2 file format. + + // Transform all legal line endings to a single "\n". + content = strings.NewReplacer("\r\n", "\n", "\r", "\n").Replace(content) + + lines := strings.Split(content, "\n") + continuationLine := false + + for _, line := range lines { + // Skip lines that: + // 1) are a continuation of the previous line, + // 2) contain ":" as that are comment lines + // 3) contain "-" as that are begin and end tags + if continuationLine || strings.ContainsAny(line, ":-") { + continuationLine = strings.HasSuffix(line, "\\") + } else { + keyContent += line + } + } + + t, err := extractTypeFromBase64Key(keyContent) + if err != nil { + return "", fmt.Errorf("extractTypeFromBase64Key: %v", err) + } + keyType = t + } else { + if strings.Contains(content, "-----BEGIN") { + // Convert PEM Keys to OpenSSH format + // Transform all legal line endings to a single "\n". + content = strings.NewReplacer("\r\n", "\n", "\r", "\n").Replace(content) + + block, _ := pem.Decode([]byte(content)) + if block == nil { + return "", fmt.Errorf("failed to parse PEM block containing the public key") + } + + pub, err := x509.ParsePKIXPublicKey(block.Bytes) + if err != nil { + var pk rsa.PublicKey + _, err2 := asn1.Unmarshal(block.Bytes, &pk) + if err2 != nil { + return "", fmt.Errorf("failed to parse DER encoded public key as either PKIX or PEM RSA Key: %v %v", err, err2) + } + pub = &pk + } + + sshKey, err := ssh.NewPublicKey(pub) + if err != nil { + return "", fmt.Errorf("unable to convert to ssh public key: %v", err) + } + content = string(ssh.MarshalAuthorizedKey(sshKey)) + } + // Parse OpenSSH format. + + // Remove all newlines + content = strings.NewReplacer("\r\n", "", "\n", "").Replace(content) + + parts := strings.SplitN(content, " ", 3) + switch len(parts) { + case 0: + return "", errors.New("empty key") + case 1: + keyContent = parts[0] + case 2: + keyType = parts[0] + keyContent = parts[1] + default: + keyType = parts[0] + keyContent = parts[1] + keyComment = parts[2] + } + + // If keyType is not given, extract it from content. If given, validate it. + t, err := extractTypeFromBase64Key(keyContent) + if err != nil { + return "", fmt.Errorf("extractTypeFromBase64Key: %v", err) + } + if len(keyType) == 0 { + keyType = t + } else if keyType != t { + return "", fmt.Errorf("key type and content does not match: %s - %s", keyType, t) + } + } + // Finally we need to check whether we can actually read the proposed key: + _, _, _, _, err := ssh.ParseAuthorizedKey([]byte(keyType + " " + keyContent + " " + keyComment)) + if err != nil { + return "", fmt.Errorf("invalid ssh public key: %v", err) + } + return keyType + " " + keyContent + " " + keyComment, nil +} + +// CheckPublicKeyString checks if the given public key string is recognized by SSH. +// It returns the actual public key line on success. +func CheckPublicKeyString(content string) (_ string, err error) { + if setting.SSH.Disabled { + return "", ErrSSHDisabled{} + } + + content, err = parseKeyString(content) + if err != nil { + return "", err + } + + content = strings.TrimRight(content, "\n\r") + if strings.ContainsAny(content, "\n\r") { + return "", errors.New("only a single line with a single key please") + } + + // remove any unnecessary whitespace now + content = strings.TrimSpace(content) + + if !setting.SSH.MinimumKeySizeCheck { + return content, nil + } + + var ( + fnName string + keyType string + length int + ) + if setting.SSH.StartBuiltinServer { + fnName = "SSHNativeParsePublicKey" + keyType, length, err = SSHNativeParsePublicKey(content) + } else { + fnName = "SSHKeyGenParsePublicKey" + keyType, length, err = SSHKeyGenParsePublicKey(content) + } + if err != nil { + return "", fmt.Errorf("%s: %v", fnName, err) + } + log.Trace("Key info [native: %v]: %s-%d", setting.SSH.StartBuiltinServer, keyType, length) + + if minLen, found := setting.SSH.MinimumKeySizes[keyType]; found && length >= minLen { + return content, nil + } else if found && length < minLen { + return "", fmt.Errorf("key length is not enough: got %d, needs %d", length, minLen) + } + return "", fmt.Errorf("key type is not allowed: %s", keyType) +} + +// SSHNativeParsePublicKey extracts the key type and length using the golang SSH library. +func SSHNativeParsePublicKey(keyLine string) (string, int, error) { + fields := strings.Fields(keyLine) + if len(fields) < 2 { + return "", 0, fmt.Errorf("not enough fields in public key line: %s", keyLine) + } + + raw, err := base64.StdEncoding.DecodeString(fields[1]) + if err != nil { + return "", 0, err + } + + pkey, err := ssh.ParsePublicKey(raw) + if err != nil { + if strings.Contains(err.Error(), "ssh: unknown key algorithm") { + return "", 0, ErrKeyUnableVerify{err.Error()} + } + return "", 0, fmt.Errorf("ParsePublicKey: %v", err) + } + + // The ssh library can parse the key, so next we find out what key exactly we have. + switch pkey.Type() { + case ssh.KeyAlgoDSA: + rawPub := struct { + Name string + P, Q, G, Y *big.Int + }{} + if err := ssh.Unmarshal(pkey.Marshal(), &rawPub); err != nil { + return "", 0, err + } + // as per https://bugzilla.mindrot.org/show_bug.cgi?id=1647 we should never + // see dsa keys != 1024 bit, but as it seems to work, we will not check here + return "dsa", rawPub.P.BitLen(), nil // use P as per crypto/dsa/dsa.go (is L) + case ssh.KeyAlgoRSA: + rawPub := struct { + Name string + E *big.Int + N *big.Int + }{} + if err := ssh.Unmarshal(pkey.Marshal(), &rawPub); err != nil { + return "", 0, err + } + return "rsa", rawPub.N.BitLen(), nil // use N as per crypto/rsa/rsa.go (is bits) + case ssh.KeyAlgoECDSA256: + return "ecdsa", 256, nil + case ssh.KeyAlgoECDSA384: + return "ecdsa", 384, nil + case ssh.KeyAlgoECDSA521: + return "ecdsa", 521, nil + case ssh.KeyAlgoED25519: + return "ed25519", 256, nil + case ssh.KeyAlgoSKECDSA256: + return "ecdsa-sk", 256, nil + case ssh.KeyAlgoSKED25519: + return "ed25519-sk", 256, nil + } + return "", 0, fmt.Errorf("unsupported key length detection for type: %s", pkey.Type()) +} + +// writeTmpKeyFile writes key content to a temporary file +// and returns the name of that file, along with any possible errors. +func writeTmpKeyFile(content string) (string, error) { + tmpFile, err := ioutil.TempFile(setting.SSH.KeyTestPath, "gitea_keytest") + if err != nil { + return "", fmt.Errorf("TempFile: %v", err) + } + defer tmpFile.Close() + + if _, err = tmpFile.WriteString(content); err != nil { + return "", fmt.Errorf("WriteString: %v", err) + } + return tmpFile.Name(), nil +} + +// SSHKeyGenParsePublicKey extracts key type and length using ssh-keygen. +func SSHKeyGenParsePublicKey(key string) (string, int, error) { + tmpName, err := writeTmpKeyFile(key) + if err != nil { + return "", 0, fmt.Errorf("writeTmpKeyFile: %v", err) + } + defer func() { + if err := util.Remove(tmpName); err != nil { + log.Warn("Unable to remove temporary key file: %s: Error: %v", tmpName, err) + } + }() + + stdout, stderr, err := process.GetManager().Exec("SSHKeyGenParsePublicKey", setting.SSH.KeygenPath, "-lf", tmpName) + if err != nil { + return "", 0, fmt.Errorf("fail to parse public key: %s - %s", err, stderr) + } + if strings.Contains(stdout, "is not a public key file") { + return "", 0, ErrKeyUnableVerify{stdout} + } + + fields := strings.Split(stdout, " ") + if len(fields) < 4 { + return "", 0, fmt.Errorf("invalid public key line: %s", stdout) + } + + keyType := strings.Trim(fields[len(fields)-1], "()\r\n") + length, err := strconv.ParseInt(fields[0], 10, 32) + if err != nil { + return "", 0, err + } + return strings.ToLower(keyType), int(length), nil +} diff --git a/models/ssh_key_principals.go b/models/ssh_key_principals.go new file mode 100644 index 000000000..3459e43c8 --- /dev/null +++ b/models/ssh_key_principals.go @@ -0,0 +1,125 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package models + +import ( + "errors" + "fmt" + "strings" + + "code.gitea.io/gitea/modules/setting" +) + +// __________ .__ .__ .__ +// \______ _______|__| ____ ____ |_____________ | | ______ +// | ___\_ __ | |/ \_/ ___\| \____ \__ \ | | / ___/ +// | | | | \| | | \ \___| | |_> / __ \| |__\___ \ +// |____| |__| |__|___| /\___ |__| __(____ |____/____ > +// \/ \/ |__| \/ \/ +// +// This file contains functions related to principals + +// AddPrincipalKey adds new principal to database and authorized_principals file. +func AddPrincipalKey(ownerID int64, content string, loginSourceID int64) (*PublicKey, error) { + sess := x.NewSession() + defer sess.Close() + if err := sess.Begin(); err != nil { + return nil, err + } + + // Principals cannot be duplicated. + has, err := sess. + Where("content = ? AND type = ?", content, KeyTypePrincipal). + Get(new(PublicKey)) + if err != nil { + return nil, err + } else if has { + return nil, ErrKeyAlreadyExist{0, "", content} + } + + key := &PublicKey{ + OwnerID: ownerID, + Name: content, + Content: content, + Mode: AccessModeWrite, + Type: KeyTypePrincipal, + LoginSourceID: loginSourceID, + } + if err = addPrincipalKey(sess, key); err != nil { + return nil, fmt.Errorf("addKey: %v", err) + } + + if err = sess.Commit(); err != nil { + return nil, err + } + + sess.Close() + + return key, RewriteAllPrincipalKeys() +} + +func addPrincipalKey(e Engine, key *PublicKey) (err error) { + // Save Key representing a principal. + if _, err = e.Insert(key); err != nil { + return err + } + + return nil +} + +// CheckPrincipalKeyString strips spaces and returns an error if the given principal contains newlines +func CheckPrincipalKeyString(user *User, content string) (_ string, err error) { + if setting.SSH.Disabled { + return "", ErrSSHDisabled{} + } + + content = strings.TrimSpace(content) + if strings.ContainsAny(content, "\r\n") { + return "", errors.New("only a single line with a single principal please") + } + + // check all the allowed principals, email, username or anything + // if any matches, return ok + for _, v := range setting.SSH.AuthorizedPrincipalsAllow { + switch v { + case "anything": + return content, nil + case "email": + emails, err := GetEmailAddresses(user.ID) + if err != nil { + return "", err + } + for _, email := range emails { + if !email.IsActivated { + continue + } + if content == email.Email { + return content, nil + } + } + + case "username": + if content == user.Name { + return content, nil + } + } + } + + return "", fmt.Errorf("didn't match allowed principals: %s", setting.SSH.AuthorizedPrincipalsAllow) +} + +// ListPrincipalKeys returns a list of principals belongs to given user. +func ListPrincipalKeys(uid int64, listOptions ListOptions) ([]*PublicKey, error) { + sess := x.Where("owner_id = ? AND type = ?", uid, KeyTypePrincipal) + if listOptions.Page != 0 { + sess = listOptions.setSessionPagination(sess) + + keys := make([]*PublicKey, 0, listOptions.PageSize) + return keys, sess.Find(&keys) + } + + keys := make([]*PublicKey, 0, 5) + return keys, sess.Find(&keys) +} diff --git a/models/store.go b/models/store.go new file mode 100644 index 000000000..e8eba28fb --- /dev/null +++ b/models/store.go @@ -0,0 +1,16 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package models + +import "github.com/lafriks/xormstore" + +// CreateStore creates a xormstore for the provided table and key +func CreateStore(table, key string) (*xormstore.Store, error) { + store, err := xormstore.NewOptions(x, xormstore.Options{ + TableName: table, + }, []byte(key)) + + return store, err +} diff --git a/models/user.go b/models/user.go index f606da53d..a4f94999e 100644 --- a/models/user.go +++ b/models/user.go @@ -34,7 +34,6 @@ import ( "golang.org/x/crypto/bcrypt" "golang.org/x/crypto/pbkdf2" "golang.org/x/crypto/scrypt" - "golang.org/x/crypto/ssh" "xorm.io/builder" ) @@ -1484,6 +1483,13 @@ func GetUserIDsByNames(names []string, ignoreNonExistent bool) ([]int64, error) return ids, nil } +// GetUsersBySource returns a list of Users for a login source +func GetUsersBySource(s *LoginSource) ([]*User, error) { + var users []*User + err := x.Where("login_type = ? AND login_source = ?", s.Type, s.ID).Find(&users) + return users, err +} + // UserCommit represents a commit with validation of user. type UserCommit struct { User *User @@ -1724,339 +1730,6 @@ func GetWatchedRepos(userID int64, private bool, listOptions ListOptions) ([]*Re return repos, sess.Find(&repos) } -// deleteKeysMarkedForDeletion returns true if ssh keys needs update -func deleteKeysMarkedForDeletion(keys []string) (bool, error) { - // Start session - sess := x.NewSession() - defer sess.Close() - if err := sess.Begin(); err != nil { - return false, err - } - - // Delete keys marked for deletion - var sshKeysNeedUpdate bool - for _, KeyToDelete := range keys { - key, err := searchPublicKeyByContentWithEngine(sess, KeyToDelete) - if err != nil { - log.Error("SearchPublicKeyByContent: %v", err) - continue - } - if err = deletePublicKeys(sess, key.ID); err != nil { - log.Error("deletePublicKeys: %v", err) - continue - } - sshKeysNeedUpdate = true - } - - if err := sess.Commit(); err != nil { - return false, err - } - - return sshKeysNeedUpdate, nil -} - -// addLdapSSHPublicKeys add a users public keys. Returns true if there are changes. -func addLdapSSHPublicKeys(usr *User, s *LoginSource, sshPublicKeys []string) bool { - var sshKeysNeedUpdate bool - for _, sshKey := range sshPublicKeys { - var err error - found := false - keys := []byte(sshKey) - loop: - for len(keys) > 0 && err == nil { - var out ssh.PublicKey - // We ignore options as they are not relevant to Gitea - out, _, _, keys, err = ssh.ParseAuthorizedKey(keys) - if err != nil { - break loop - } - found = true - marshalled := string(ssh.MarshalAuthorizedKey(out)) - marshalled = marshalled[:len(marshalled)-1] - sshKeyName := fmt.Sprintf("%s-%s", s.Name, ssh.FingerprintSHA256(out)) - - if _, err := AddPublicKey(usr.ID, sshKeyName, marshalled, s.ID); err != nil { - if IsErrKeyAlreadyExist(err) { - log.Trace("addLdapSSHPublicKeys[%s]: LDAP Public SSH Key %s already exists for user", sshKeyName, usr.Name) - } else { - log.Error("addLdapSSHPublicKeys[%s]: Error adding LDAP Public SSH Key for user %s: %v", sshKeyName, usr.Name, err) - } - } else { - log.Trace("addLdapSSHPublicKeys[%s]: Added LDAP Public SSH Key for user %s", sshKeyName, usr.Name) - sshKeysNeedUpdate = true - } - } - if !found && err != nil { - log.Warn("addLdapSSHPublicKeys[%s]: Skipping invalid LDAP Public SSH Key for user %s: %v", s.Name, usr.Name, sshKey) - } - } - return sshKeysNeedUpdate -} - -// synchronizeLdapSSHPublicKeys updates a users public keys. Returns true if there are changes. -func synchronizeLdapSSHPublicKeys(usr *User, s *LoginSource, sshPublicKeys []string) bool { - var sshKeysNeedUpdate bool - - log.Trace("synchronizeLdapSSHPublicKeys[%s]: Handling LDAP Public SSH Key synchronization for user %s", s.Name, usr.Name) - - // Get Public Keys from DB with current LDAP source - var giteaKeys []string - keys, err := ListPublicLdapSSHKeys(usr.ID, s.ID) - if err != nil { - log.Error("synchronizeLdapSSHPublicKeys[%s]: Error listing LDAP Public SSH Keys for user %s: %v", s.Name, usr.Name, err) - } - - for _, v := range keys { - giteaKeys = append(giteaKeys, v.OmitEmail()) - } - - // Get Public Keys from LDAP and skip duplicate keys - var ldapKeys []string - for _, v := range sshPublicKeys { - sshKeySplit := strings.Split(v, " ") - if len(sshKeySplit) > 1 { - ldapKey := strings.Join(sshKeySplit[:2], " ") - if !util.ExistsInSlice(ldapKey, ldapKeys) { - ldapKeys = append(ldapKeys, ldapKey) - } - } - } - - // Check if Public Key sync is needed - if util.IsEqualSlice(giteaKeys, ldapKeys) { - log.Trace("synchronizeLdapSSHPublicKeys[%s]: LDAP Public Keys are already in sync for %s (LDAP:%v/DB:%v)", s.Name, usr.Name, len(ldapKeys), len(giteaKeys)) - return false - } - log.Trace("synchronizeLdapSSHPublicKeys[%s]: LDAP Public Key needs update for user %s (LDAP:%v/DB:%v)", s.Name, usr.Name, len(ldapKeys), len(giteaKeys)) - - // Add LDAP Public SSH Keys that doesn't already exist in DB - var newLdapSSHKeys []string - for _, LDAPPublicSSHKey := range ldapKeys { - if !util.ExistsInSlice(LDAPPublicSSHKey, giteaKeys) { - newLdapSSHKeys = append(newLdapSSHKeys, LDAPPublicSSHKey) - } - } - if addLdapSSHPublicKeys(usr, s, newLdapSSHKeys) { - sshKeysNeedUpdate = true - } - - // Mark LDAP keys from DB that doesn't exist in LDAP for deletion - var giteaKeysToDelete []string - for _, giteaKey := range giteaKeys { - if !util.ExistsInSlice(giteaKey, ldapKeys) { - log.Trace("synchronizeLdapSSHPublicKeys[%s]: Marking LDAP Public SSH Key for deletion for user %s: %v", s.Name, usr.Name, giteaKey) - giteaKeysToDelete = append(giteaKeysToDelete, giteaKey) - } - } - - // Delete LDAP keys from DB that doesn't exist in LDAP - needUpd, err := deleteKeysMarkedForDeletion(giteaKeysToDelete) - if err != nil { - log.Error("synchronizeLdapSSHPublicKeys[%s]: Error deleting LDAP Public SSH Keys marked for deletion for user %s: %v", s.Name, usr.Name, err) - } - if needUpd { - sshKeysNeedUpdate = true - } - - return sshKeysNeedUpdate -} - -// SyncExternalUsers is used to synchronize users with external authorization source -func SyncExternalUsers(ctx context.Context, updateExisting bool) error { - log.Trace("Doing: SyncExternalUsers") - - ls, err := LoginSources() - if err != nil { - log.Error("SyncExternalUsers: %v", err) - return err - } - - for _, s := range ls { - if !s.IsActived || !s.IsSyncEnabled { - continue - } - select { - case <-ctx.Done(): - log.Warn("SyncExternalUsers: Cancelled before update of %s", s.Name) - return ErrCancelledf("Before update of %s", s.Name) - default: - } - - if s.IsLDAP() { - log.Trace("Doing: SyncExternalUsers[%s]", s.Name) - - var existingUsers []int64 - isAttributeSSHPublicKeySet := len(strings.TrimSpace(s.LDAP().AttributeSSHPublicKey)) > 0 - var sshKeysNeedUpdate bool - - // Find all users with this login type - var users []*User - err = x.Where("login_type = ?", LoginLDAP). - And("login_source = ?", s.ID). - Find(&users) - if err != nil { - log.Error("SyncExternalUsers: %v", err) - return err - } - select { - case <-ctx.Done(): - log.Warn("SyncExternalUsers: Cancelled before update of %s", s.Name) - return ErrCancelledf("Before update of %s", s.Name) - default: - } - - sr, err := s.LDAP().SearchEntries() - if err != nil { - log.Error("SyncExternalUsers LDAP source failure [%s], skipped", s.Name) - continue - } - - if len(sr) == 0 { - if !s.LDAP().AllowDeactivateAll { - log.Error("LDAP search found no entries but did not report an error. Refusing to deactivate all users") - continue - } else { - log.Warn("LDAP search found no entries but did not report an error. All users will be deactivated as per settings") - } - } - - for _, su := range sr { - select { - case <-ctx.Done(): - log.Warn("SyncExternalUsers: Cancelled at update of %s before completed update of users", s.Name) - // Rewrite authorized_keys file if LDAP Public SSH Key attribute is set and any key was added or removed - if sshKeysNeedUpdate { - err = RewriteAllPublicKeys() - if err != nil { - log.Error("RewriteAllPublicKeys: %v", err) - } - } - return ErrCancelledf("During update of %s before completed update of users", s.Name) - default: - } - if len(su.Username) == 0 { - continue - } - - if len(su.Mail) == 0 { - su.Mail = fmt.Sprintf("%s@localhost", su.Username) - } - - var usr *User - // Search for existing user - for _, du := range users { - if du.LowerName == strings.ToLower(su.Username) { - usr = du - break - } - } - - fullName := composeFullName(su.Name, su.Surname, su.Username) - // If no existing user found, create one - if usr == nil { - log.Trace("SyncExternalUsers[%s]: Creating user %s", s.Name, su.Username) - - usr = &User{ - LowerName: strings.ToLower(su.Username), - Name: su.Username, - FullName: fullName, - LoginType: s.Type, - LoginSource: s.ID, - LoginName: su.Username, - Email: su.Mail, - IsAdmin: su.IsAdmin, - IsRestricted: su.IsRestricted, - IsActive: true, - } - - err = CreateUser(usr) - - if err != nil { - log.Error("SyncExternalUsers[%s]: Error creating user %s: %v", s.Name, su.Username, err) - } else if isAttributeSSHPublicKeySet { - log.Trace("SyncExternalUsers[%s]: Adding LDAP Public SSH Keys for user %s", s.Name, usr.Name) - if addLdapSSHPublicKeys(usr, s, su.SSHPublicKey) { - sshKeysNeedUpdate = true - } - } - } else if updateExisting { - existingUsers = append(existingUsers, usr.ID) - - // Synchronize SSH Public Key if that attribute is set - if isAttributeSSHPublicKeySet && synchronizeLdapSSHPublicKeys(usr, s, su.SSHPublicKey) { - sshKeysNeedUpdate = true - } - - // Check if user data has changed - if (len(s.LDAP().AdminFilter) > 0 && usr.IsAdmin != su.IsAdmin) || - (len(s.LDAP().RestrictedFilter) > 0 && usr.IsRestricted != su.IsRestricted) || - !strings.EqualFold(usr.Email, su.Mail) || - usr.FullName != fullName || - !usr.IsActive { - - log.Trace("SyncExternalUsers[%s]: Updating user %s", s.Name, usr.Name) - - usr.FullName = fullName - usr.Email = su.Mail - // Change existing admin flag only if AdminFilter option is set - if len(s.LDAP().AdminFilter) > 0 { - usr.IsAdmin = su.IsAdmin - } - // Change existing restricted flag only if RestrictedFilter option is set - if !usr.IsAdmin && len(s.LDAP().RestrictedFilter) > 0 { - usr.IsRestricted = su.IsRestricted - } - usr.IsActive = true - - err = UpdateUserCols(usr, "full_name", "email", "is_admin", "is_restricted", "is_active") - if err != nil { - log.Error("SyncExternalUsers[%s]: Error updating user %s: %v", s.Name, usr.Name, err) - } - } - } - } - - // Rewrite authorized_keys file if LDAP Public SSH Key attribute is set and any key was added or removed - if sshKeysNeedUpdate { - err = RewriteAllPublicKeys() - if err != nil { - log.Error("RewriteAllPublicKeys: %v", err) - } - } - - select { - case <-ctx.Done(): - log.Warn("SyncExternalUsers: Cancelled during update of %s before delete users", s.Name) - return ErrCancelledf("During update of %s before delete users", s.Name) - default: - } - - // Deactivate users not present in LDAP - if updateExisting { - for _, usr := range users { - found := false - for _, uid := range existingUsers { - if usr.ID == uid { - found = true - break - } - } - if !found { - log.Trace("SyncExternalUsers[%s]: Deactivating user %s", s.Name, usr.Name) - - usr.IsActive = false - err = UpdateUserCols(usr, "is_active") - if err != nil { - log.Error("SyncExternalUsers[%s]: Error deactivating user %s: %v", s.Name, usr.Name, err) - } - } - } - } - } - } - return nil -} - // IterateUser iterate users func IterateUser(f func(user *User) error) error { var start int diff --git a/models/user_test.go b/models/user_test.go index 34c465c58..a76bca0ed 100644 --- a/models/user_test.go +++ b/models/user_test.go @@ -453,8 +453,8 @@ ssh-dss AAAAB3NzaC1kc3MAAACBAOChCC7lf6Uo9n7BmZ6M8St19PZf4Tn59NriyboW2x/DZuYAz3ib for i, kase := range testCases { s.ID = int64(i) + 20 - addLdapSSHPublicKeys(user, s, []string{kase.keyString}) - keys, err := ListPublicLdapSSHKeys(user.ID, s.ID) + AddPublicKeysBySource(user, s, []string{kase.keyString}) + keys, err := ListPublicKeysBySource(user.ID, s.ID) assert.NoError(t, err) if err != nil { continue diff --git a/modules/context/api.go b/modules/context/api.go index 506824674..78d48e916 100644 --- a/modules/context/api.go +++ b/modules/context/api.go @@ -218,7 +218,7 @@ func (ctx *APIContext) CheckForOTP() { } // APIAuth converts auth.Auth as a middleware -func APIAuth(authMethod auth.Auth) func(*APIContext) { +func APIAuth(authMethod auth.Method) func(*APIContext) { return func(ctx *APIContext) { // Get user from session if logged in. ctx.User = authMethod.Verify(ctx.Req, ctx.Resp, ctx, ctx.Session) diff --git a/modules/context/context.go b/modules/context/context.go index 64f8b1208..8949dd714 100644 --- a/modules/context/context.go +++ b/modules/context/context.go @@ -627,7 +627,7 @@ func getCsrfOpts() CsrfOptions { } // Auth converts auth.Auth as a middleware -func Auth(authMethod auth.Auth) func(*Context) { +func Auth(authMethod auth.Method) func(*Context) { return func(ctx *Context) { ctx.User = authMethod.Verify(ctx.Req, ctx.Resp, ctx, ctx.Session) if ctx.User != nil { diff --git a/modules/cron/tasks_basic.go b/modules/cron/tasks_basic.go index d4ac4f443..6c61d628c 100644 --- a/modules/cron/tasks_basic.go +++ b/modules/cron/tasks_basic.go @@ -12,6 +12,7 @@ import ( "code.gitea.io/gitea/modules/migrations" repository_service "code.gitea.io/gitea/modules/repository" "code.gitea.io/gitea/modules/setting" + "code.gitea.io/gitea/services/auth" mirror_service "code.gitea.io/gitea/services/mirror" ) @@ -80,7 +81,7 @@ func registerSyncExternalUsers() { UpdateExisting: true, }, func(ctx context.Context, _ *models.User, config Config) error { realConfig := config.(*UpdateExistingConfig) - return models.SyncExternalUsers(ctx, realConfig.UpdateExisting) + return auth.SyncExternalUsers(ctx, realConfig.UpdateExisting) }) } diff --git a/routers/init.go b/routers/init.go index 3ee7c7357..27cd066b7 100644 --- a/routers/init.go +++ b/routers/init.go @@ -35,6 +35,7 @@ import ( web_routers "code.gitea.io/gitea/routers/web" "code.gitea.io/gitea/services/archiver" "code.gitea.io/gitea/services/auth" + "code.gitea.io/gitea/services/auth/source/oauth2" "code.gitea.io/gitea/services/mailer" mirror_service "code.gitea.io/gitea/services/mirror" pull_service "code.gitea.io/gitea/services/pull" @@ -100,7 +101,7 @@ func GlobalInit(ctx context.Context) { log.Fatal("ORM engine initialization failed: %v", err) } - if err := models.InitOAuth2(); err != nil { + if err := oauth2.Init(); err != nil { log.Fatal("Failed to initialize OAuth2 support: %v", err) } diff --git a/routers/web/admin/auths.go b/routers/web/admin/auths.go index a2f9ab0a5..20efd4a2a 100644 --- a/routers/web/admin/auths.go +++ b/routers/web/admin/auths.go @@ -11,8 +11,6 @@ import ( "regexp" "code.gitea.io/gitea/models" - "code.gitea.io/gitea/modules/auth/ldap" - "code.gitea.io/gitea/modules/auth/oauth2" "code.gitea.io/gitea/modules/auth/pam" "code.gitea.io/gitea/modules/base" "code.gitea.io/gitea/modules/context" @@ -20,6 +18,11 @@ import ( "code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/util" "code.gitea.io/gitea/modules/web" + "code.gitea.io/gitea/services/auth/source/ldap" + "code.gitea.io/gitea/services/auth/source/oauth2" + pamService "code.gitea.io/gitea/services/auth/source/pam" + "code.gitea.io/gitea/services/auth/source/smtp" + "code.gitea.io/gitea/services/auth/source/sspi" "code.gitea.io/gitea/services/forms" "xorm.io/xorm/convert" @@ -74,9 +77,9 @@ var ( }() securityProtocols = []dropdownItem{ - {models.SecurityProtocolNames[ldap.SecurityProtocolUnencrypted], ldap.SecurityProtocolUnencrypted}, - {models.SecurityProtocolNames[ldap.SecurityProtocolLDAPS], ldap.SecurityProtocolLDAPS}, - {models.SecurityProtocolNames[ldap.SecurityProtocolStartTLS], ldap.SecurityProtocolStartTLS}, + {ldap.SecurityProtocolNames[ldap.SecurityProtocolUnencrypted], ldap.SecurityProtocolUnencrypted}, + {ldap.SecurityProtocolNames[ldap.SecurityProtocolLDAPS], ldap.SecurityProtocolLDAPS}, + {ldap.SecurityProtocolNames[ldap.SecurityProtocolStartTLS], ldap.SecurityProtocolStartTLS}, } ) @@ -88,15 +91,15 @@ func NewAuthSource(ctx *context.Context) { ctx.Data["type"] = models.LoginLDAP ctx.Data["CurrentTypeName"] = models.LoginNames[models.LoginLDAP] - ctx.Data["CurrentSecurityProtocol"] = models.SecurityProtocolNames[ldap.SecurityProtocolUnencrypted] + ctx.Data["CurrentSecurityProtocol"] = ldap.SecurityProtocolNames[ldap.SecurityProtocolUnencrypted] ctx.Data["smtp_auth"] = "PLAIN" ctx.Data["is_active"] = true ctx.Data["is_sync_enabled"] = true ctx.Data["AuthSources"] = authSources ctx.Data["SecurityProtocols"] = securityProtocols - ctx.Data["SMTPAuths"] = models.SMTPAuths - ctx.Data["OAuth2Providers"] = models.OAuth2Providers - ctx.Data["OAuth2DefaultCustomURLMappings"] = models.OAuth2DefaultCustomURLMappings + ctx.Data["SMTPAuths"] = smtp.Authenticators + ctx.Data["OAuth2Providers"] = oauth2.Providers + ctx.Data["OAuth2DefaultCustomURLMappings"] = oauth2.DefaultCustomURLMappings ctx.Data["SSPIAutoCreateUsers"] = true ctx.Data["SSPIAutoActivateUsers"] = true @@ -105,7 +108,7 @@ func NewAuthSource(ctx *context.Context) { ctx.Data["SSPIDefaultLanguage"] = "" // only the first as default - for key := range models.OAuth2Providers { + for key := range oauth2.Providers { ctx.Data["oauth2_provider"] = key break } @@ -113,45 +116,43 @@ func NewAuthSource(ctx *context.Context) { ctx.HTML(http.StatusOK, tplAuthNew) } -func parseLDAPConfig(form forms.AuthenticationForm) *models.LDAPConfig { +func parseLDAPConfig(form forms.AuthenticationForm) *ldap.Source { var pageSize uint32 if form.UsePagedSearch { pageSize = uint32(form.SearchPageSize) } - return &models.LDAPConfig{ - Source: &ldap.Source{ - Name: form.Name, - Host: form.Host, - Port: form.Port, - SecurityProtocol: ldap.SecurityProtocol(form.SecurityProtocol), - SkipVerify: form.SkipVerify, - BindDN: form.BindDN, - UserDN: form.UserDN, - BindPassword: form.BindPassword, - UserBase: form.UserBase, - AttributeUsername: form.AttributeUsername, - AttributeName: form.AttributeName, - AttributeSurname: form.AttributeSurname, - AttributeMail: form.AttributeMail, - AttributesInBind: form.AttributesInBind, - AttributeSSHPublicKey: form.AttributeSSHPublicKey, - SearchPageSize: pageSize, - Filter: form.Filter, - GroupsEnabled: form.GroupsEnabled, - GroupDN: form.GroupDN, - GroupFilter: form.GroupFilter, - GroupMemberUID: form.GroupMemberUID, - UserUID: form.UserUID, - AdminFilter: form.AdminFilter, - RestrictedFilter: form.RestrictedFilter, - AllowDeactivateAll: form.AllowDeactivateAll, - Enabled: true, - }, + return &ldap.Source{ + Name: form.Name, + Host: form.Host, + Port: form.Port, + SecurityProtocol: ldap.SecurityProtocol(form.SecurityProtocol), + SkipVerify: form.SkipVerify, + BindDN: form.BindDN, + UserDN: form.UserDN, + BindPassword: form.BindPassword, + UserBase: form.UserBase, + AttributeUsername: form.AttributeUsername, + AttributeName: form.AttributeName, + AttributeSurname: form.AttributeSurname, + AttributeMail: form.AttributeMail, + AttributesInBind: form.AttributesInBind, + AttributeSSHPublicKey: form.AttributeSSHPublicKey, + SearchPageSize: pageSize, + Filter: form.Filter, + GroupsEnabled: form.GroupsEnabled, + GroupDN: form.GroupDN, + GroupFilter: form.GroupFilter, + GroupMemberUID: form.GroupMemberUID, + UserUID: form.UserUID, + AdminFilter: form.AdminFilter, + RestrictedFilter: form.RestrictedFilter, + AllowDeactivateAll: form.AllowDeactivateAll, + Enabled: true, } } -func parseSMTPConfig(form forms.AuthenticationForm) *models.SMTPConfig { - return &models.SMTPConfig{ +func parseSMTPConfig(form forms.AuthenticationForm) *smtp.Source { + return &smtp.Source{ Auth: form.SMTPAuth, Host: form.SMTPHost, Port: form.SMTPPort, @@ -161,7 +162,7 @@ func parseSMTPConfig(form forms.AuthenticationForm) *models.SMTPConfig { } } -func parseOAuth2Config(form forms.AuthenticationForm) *models.OAuth2Config { +func parseOAuth2Config(form forms.AuthenticationForm) *oauth2.Source { var customURLMapping *oauth2.CustomURLMapping if form.Oauth2UseCustomURL { customURLMapping = &oauth2.CustomURLMapping{ @@ -173,7 +174,7 @@ func parseOAuth2Config(form forms.AuthenticationForm) *models.OAuth2Config { } else { customURLMapping = nil } - return &models.OAuth2Config{ + return &oauth2.Source{ Provider: form.Oauth2Provider, ClientID: form.Oauth2Key, ClientSecret: form.Oauth2Secret, @@ -183,7 +184,7 @@ func parseOAuth2Config(form forms.AuthenticationForm) *models.OAuth2Config { } } -func parseSSPIConfig(ctx *context.Context, form forms.AuthenticationForm) (*models.SSPIConfig, error) { +func parseSSPIConfig(ctx *context.Context, form forms.AuthenticationForm) (*sspi.Source, error) { if util.IsEmptyString(form.SSPISeparatorReplacement) { ctx.Data["Err_SSPISeparatorReplacement"] = true return nil, errors.New(ctx.Tr("form.SSPISeparatorReplacement") + ctx.Tr("form.require_error")) @@ -198,7 +199,7 @@ func parseSSPIConfig(ctx *context.Context, form forms.AuthenticationForm) (*mode return nil, errors.New(ctx.Tr("form.lang_select_error")) } - return &models.SSPIConfig{ + return &sspi.Source{ AutoCreateUsers: form.SSPIAutoCreateUsers, AutoActivateUsers: form.SSPIAutoActivateUsers, StripDomainNames: form.SSPIStripDomainNames, @@ -215,12 +216,12 @@ func NewAuthSourcePost(ctx *context.Context) { ctx.Data["PageIsAdminAuthentications"] = true ctx.Data["CurrentTypeName"] = models.LoginNames[models.LoginType(form.Type)] - ctx.Data["CurrentSecurityProtocol"] = models.SecurityProtocolNames[ldap.SecurityProtocol(form.SecurityProtocol)] + ctx.Data["CurrentSecurityProtocol"] = ldap.SecurityProtocolNames[ldap.SecurityProtocol(form.SecurityProtocol)] ctx.Data["AuthSources"] = authSources ctx.Data["SecurityProtocols"] = securityProtocols - ctx.Data["SMTPAuths"] = models.SMTPAuths - ctx.Data["OAuth2Providers"] = models.OAuth2Providers - ctx.Data["OAuth2DefaultCustomURLMappings"] = models.OAuth2DefaultCustomURLMappings + ctx.Data["SMTPAuths"] = smtp.Authenticators + ctx.Data["OAuth2Providers"] = oauth2.Providers + ctx.Data["OAuth2DefaultCustomURLMappings"] = oauth2.DefaultCustomURLMappings ctx.Data["SSPIAutoCreateUsers"] = true ctx.Data["SSPIAutoActivateUsers"] = true @@ -238,7 +239,7 @@ func NewAuthSourcePost(ctx *context.Context) { config = parseSMTPConfig(form) hasTLS = true case models.LoginPAM: - config = &models.PAMConfig{ + config = &pamService.Source{ ServiceName: form.PAMServiceName, EmailDomain: form.PAMEmailDomain, } @@ -271,7 +272,7 @@ func NewAuthSourcePost(ctx *context.Context) { if err := models.CreateLoginSource(&models.LoginSource{ Type: models.LoginType(form.Type), Name: form.Name, - IsActived: form.IsActive, + IsActive: form.IsActive, IsSyncEnabled: form.IsSyncEnabled, Cfg: config, }); err != nil { @@ -297,9 +298,9 @@ func EditAuthSource(ctx *context.Context) { ctx.Data["PageIsAdminAuthentications"] = true ctx.Data["SecurityProtocols"] = securityProtocols - ctx.Data["SMTPAuths"] = models.SMTPAuths - ctx.Data["OAuth2Providers"] = models.OAuth2Providers - ctx.Data["OAuth2DefaultCustomURLMappings"] = models.OAuth2DefaultCustomURLMappings + ctx.Data["SMTPAuths"] = smtp.Authenticators + ctx.Data["OAuth2Providers"] = oauth2.Providers + ctx.Data["OAuth2DefaultCustomURLMappings"] = oauth2.DefaultCustomURLMappings source, err := models.GetLoginSourceByID(ctx.ParamsInt64(":authid")) if err != nil { @@ -310,7 +311,7 @@ func EditAuthSource(ctx *context.Context) { ctx.Data["HasTLS"] = source.HasTLS() if source.IsOAuth2() { - ctx.Data["CurrentOAuth2Provider"] = models.OAuth2Providers[source.OAuth2().Provider] + ctx.Data["CurrentOAuth2Provider"] = oauth2.Providers[source.Cfg.(*oauth2.Source).Provider] } ctx.HTML(http.StatusOK, tplAuthEdit) } @@ -322,9 +323,9 @@ func EditAuthSourcePost(ctx *context.Context) { ctx.Data["PageIsAdmin"] = true ctx.Data["PageIsAdminAuthentications"] = true - ctx.Data["SMTPAuths"] = models.SMTPAuths - ctx.Data["OAuth2Providers"] = models.OAuth2Providers - ctx.Data["OAuth2DefaultCustomURLMappings"] = models.OAuth2DefaultCustomURLMappings + ctx.Data["SMTPAuths"] = smtp.Authenticators + ctx.Data["OAuth2Providers"] = oauth2.Providers + ctx.Data["OAuth2DefaultCustomURLMappings"] = oauth2.DefaultCustomURLMappings source, err := models.GetLoginSourceByID(ctx.ParamsInt64(":authid")) if err != nil { @@ -346,7 +347,7 @@ func EditAuthSourcePost(ctx *context.Context) { case models.LoginSMTP: config = parseSMTPConfig(form) case models.LoginPAM: - config = &models.PAMConfig{ + config = &pamService.Source{ ServiceName: form.PAMServiceName, EmailDomain: form.PAMEmailDomain, } @@ -364,7 +365,7 @@ func EditAuthSourcePost(ctx *context.Context) { } source.Name = form.Name - source.IsActived = form.IsActive + source.IsActive = form.IsActive source.IsSyncEnabled = form.IsSyncEnabled source.Cfg = config if err := models.UpdateSource(source); err != nil { diff --git a/routers/web/user/auth.go b/routers/web/user/auth.go index 7a205853b..50b25d087 100644 --- a/routers/web/user/auth.go +++ b/routers/web/user/auth.go @@ -14,7 +14,6 @@ import ( "strings" "code.gitea.io/gitea/models" - "code.gitea.io/gitea/modules/auth/oauth2" "code.gitea.io/gitea/modules/base" "code.gitea.io/gitea/modules/context" "code.gitea.io/gitea/modules/eventsource" @@ -27,6 +26,8 @@ import ( "code.gitea.io/gitea/modules/web" "code.gitea.io/gitea/modules/web/middleware" "code.gitea.io/gitea/routers/utils" + "code.gitea.io/gitea/services/auth" + "code.gitea.io/gitea/services/auth/source/oauth2" "code.gitea.io/gitea/services/externalaccount" "code.gitea.io/gitea/services/forms" "code.gitea.io/gitea/services/mailer" @@ -135,7 +136,7 @@ func SignIn(ctx *context.Context) { return } - orderedOAuth2Names, oauth2Providers, err := models.GetActiveOAuth2Providers() + orderedOAuth2Names, oauth2Providers, err := oauth2.GetActiveOAuth2Providers() if err != nil { ctx.ServerError("UserSignIn", err) return @@ -155,7 +156,7 @@ func SignIn(ctx *context.Context) { func SignInPost(ctx *context.Context) { ctx.Data["Title"] = ctx.Tr("sign_in") - orderedOAuth2Names, oauth2Providers, err := models.GetActiveOAuth2Providers() + orderedOAuth2Names, oauth2Providers, err := oauth2.GetActiveOAuth2Providers() if err != nil { ctx.ServerError("UserSignIn", err) return @@ -174,7 +175,7 @@ func SignInPost(ctx *context.Context) { } form := web.GetForm(ctx).(*forms.SignInForm) - u, err := models.UserSignIn(form.UserName, form.Password) + u, err := auth.UserSignIn(form.UserName, form.Password) if err != nil { if models.IsErrUserNotExist(err) { ctx.RenderWithErr(ctx.Tr("form.username_password_incorrect"), tplSignIn, &form) @@ -577,13 +578,13 @@ func SignInOAuth(ctx *context.Context) { return } - if err = oauth2.Auth(loginSource.Name, ctx.Req, ctx.Resp); err != nil { + if err = loginSource.Cfg.(*oauth2.Source).Callout(ctx.Req, ctx.Resp); err != nil { if strings.Contains(err.Error(), "no provider for ") { - if err = models.ResetOAuth2(); err != nil { + if err = oauth2.ResetOAuth2(); err != nil { ctx.ServerError("SignIn", err) return } - if err = oauth2.Auth(loginSource.Name, ctx.Req, ctx.Resp); err != nil { + if err = loginSource.Cfg.(*oauth2.Source).Callout(ctx.Req, ctx.Resp); err != nil { ctx.ServerError("SignIn", err) } return @@ -631,7 +632,7 @@ func SignInOAuthCallback(ctx *context.Context) { } if len(missingFields) > 0 { log.Error("OAuth2 Provider %s returned empty or missing fields: %s", loginSource.Name, missingFields) - if loginSource.IsOAuth2() && loginSource.OAuth2().Provider == "openidConnect" { + if loginSource.IsOAuth2() && loginSource.Cfg.(*oauth2.Source).Provider == "openidConnect" { log.Error("You may need to change the 'OPENID_CONNECT_SCOPES' setting to request all required fields") } err = fmt.Errorf("OAuth2 Provider %s returned empty or missing fields: %s", loginSource.Name, missingFields) @@ -772,8 +773,7 @@ func handleOAuth2SignIn(ctx *context.Context, u *models.User, gothUser goth.User // OAuth2UserLoginCallback attempts to handle the callback from the OAuth2 provider and if successful // login the user func oAuth2UserLoginCallback(loginSource *models.LoginSource, request *http.Request, response http.ResponseWriter) (*models.User, goth.User, error) { - gothUser, err := oauth2.ProviderCallback(loginSource.Name, request, response) - + gothUser, err := loginSource.Cfg.(*oauth2.Source).Callback(request, response) if err != nil { if err.Error() == "securecookie: the value is too long" { log.Error("OAuth2 Provider %s returned too long a token. Current max: %d. Either increase the [OAuth2] MAX_TOKEN_LENGTH or reduce the information returned from the OAuth2 provider", loginSource.Name, setting.OAuth2.MaxTokenLength) @@ -901,7 +901,7 @@ func LinkAccountPostSignIn(ctx *context.Context) { return } - u, err := models.UserSignIn(signInForm.UserName, signInForm.Password) + u, err := auth.UserSignIn(signInForm.UserName, signInForm.Password) if err != nil { if models.IsErrUserNotExist(err) { ctx.Data["user_exists"] = true diff --git a/routers/web/user/auth_openid.go b/routers/web/user/auth_openid.go index 1a73a08c4..3e3da71ac 100644 --- a/routers/web/user/auth_openid.go +++ b/routers/web/user/auth_openid.go @@ -20,6 +20,7 @@ import ( "code.gitea.io/gitea/modules/util" "code.gitea.io/gitea/modules/web" "code.gitea.io/gitea/modules/web/middleware" + "code.gitea.io/gitea/services/auth" "code.gitea.io/gitea/services/forms" ) @@ -290,7 +291,7 @@ func ConnectOpenIDPost(ctx *context.Context) { ctx.Data["EnableOpenIDSignUp"] = setting.Service.EnableOpenIDSignUp ctx.Data["OpenID"] = oid - u, err := models.UserSignIn(form.UserName, form.Password) + u, err := auth.UserSignIn(form.UserName, form.Password) if err != nil { if models.IsErrUserNotExist(err) { ctx.RenderWithErr(ctx.Tr("form.username_password_incorrect"), tplConnectOID, &form) diff --git a/routers/web/user/oauth.go b/routers/web/user/oauth.go index 72295b444..7e108f6e7 100644 --- a/routers/web/user/oauth.go +++ b/routers/web/user/oauth.go @@ -13,7 +13,6 @@ import ( "strings" "code.gitea.io/gitea/models" - "code.gitea.io/gitea/modules/auth/oauth2" "code.gitea.io/gitea/modules/base" "code.gitea.io/gitea/modules/context" "code.gitea.io/gitea/modules/log" @@ -21,6 +20,7 @@ import ( "code.gitea.io/gitea/modules/timeutil" "code.gitea.io/gitea/modules/web" "code.gitea.io/gitea/services/auth" + "code.gitea.io/gitea/services/auth/source/oauth2" "code.gitea.io/gitea/services/forms" "gitea.com/go-chi/binding" @@ -144,9 +144,9 @@ func newAccessTokenResponse(grant *models.OAuth2Grant, signingKey oauth2.JWTSign } // generate access token to access the API expirationDate := timeutil.TimeStampNow().Add(setting.OAuth2.AccessTokenExpirationTime) - accessToken := &models.OAuth2Token{ + accessToken := &oauth2.Token{ GrantID: grant.ID, - Type: models.TypeAccessToken, + Type: oauth2.TypeAccessToken, StandardClaims: jwt.StandardClaims{ ExpiresAt: expirationDate.AsTime().Unix(), }, @@ -161,10 +161,10 @@ func newAccessTokenResponse(grant *models.OAuth2Grant, signingKey oauth2.JWTSign // generate refresh token to request an access token after it expired later refreshExpirationDate := timeutil.TimeStampNow().Add(setting.OAuth2.RefreshTokenExpirationTime * 60 * 60).AsTime().Unix() - refreshToken := &models.OAuth2Token{ + refreshToken := &oauth2.Token{ GrantID: grant.ID, Counter: grant.Counter, - Type: models.TypeRefreshToken, + Type: oauth2.TypeRefreshToken, StandardClaims: jwt.StandardClaims{ ExpiresAt: refreshExpirationDate, }, @@ -202,7 +202,7 @@ func newAccessTokenResponse(grant *models.OAuth2Grant, signingKey oauth2.JWTSign } } - idToken := &models.OIDCToken{ + idToken := &oauth2.OIDCToken{ StandardClaims: jwt.StandardClaims{ ExpiresAt: expirationDate.AsTime().Unix(), Issuer: setting.AppURL, @@ -568,7 +568,7 @@ func AccessTokenOAuth(ctx *context.Context) { } func handleRefreshToken(ctx *context.Context, form forms.AccessTokenForm, signingKey oauth2.JWTSigningKey) { - token, err := models.ParseOAuth2Token(form.RefreshToken) + token, err := oauth2.ParseToken(form.RefreshToken) if err != nil { handleAccessTokenError(ctx, AccessTokenError{ ErrorCode: AccessTokenErrorCodeUnauthorizedClient, diff --git a/routers/web/user/setting/account.go b/routers/web/user/setting/account.go index b805db620..80b186262 100644 --- a/routers/web/user/setting/account.go +++ b/routers/web/user/setting/account.go @@ -18,6 +18,7 @@ import ( "code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/timeutil" "code.gitea.io/gitea/modules/web" + "code.gitea.io/gitea/services/auth" "code.gitea.io/gitea/services/forms" "code.gitea.io/gitea/services/mailer" ) @@ -228,7 +229,7 @@ func DeleteAccount(ctx *context.Context) { ctx.Data["Title"] = ctx.Tr("settings") ctx.Data["PageIsSettingsAccount"] = true - if _, err := models.UserSignIn(ctx.User.Name, ctx.Query("password")); err != nil { + if _, err := auth.UserSignIn(ctx.User.Name, ctx.Query("password")); err != nil { if models.IsErrUserNotExist(err) { loadAccountData(ctx) diff --git a/routers/web/user/setting/security.go b/routers/web/user/setting/security.go index 7753c5c16..dd5d2a20c 100644 --- a/routers/web/user/setting/security.go +++ b/routers/web/user/setting/security.go @@ -12,6 +12,7 @@ import ( "code.gitea.io/gitea/modules/base" "code.gitea.io/gitea/modules/context" "code.gitea.io/gitea/modules/setting" + "code.gitea.io/gitea/services/auth/source/oauth2" ) const ( @@ -92,8 +93,8 @@ func loadSecurityData(ctx *context.Context) { if loginSource, err := models.GetLoginSourceByID(externalAccount.LoginSourceID); err == nil { var providerDisplayName string if loginSource.IsOAuth2() { - providerTechnicalName := loginSource.OAuth2().Provider - providerDisplayName = models.OAuth2Providers[providerTechnicalName].DisplayName + providerTechnicalName := loginSource.Cfg.(*oauth2.Source).Provider + providerDisplayName = oauth2.Providers[providerTechnicalName].DisplayName } else { providerDisplayName = loginSource.Name } diff --git a/services/auth/auth.go b/services/auth/auth.go index 5492a8b74..11a8c6ed1 100644 --- a/services/auth/auth.go +++ b/services/auth/auth.go @@ -27,7 +27,7 @@ import ( // // The Session plugin is expected to be executed second, in order to skip authentication // for users that have already signed in. -var authMethods = []Auth{ +var authMethods = []Method{ &OAuth2{}, &Basic{}, &Session{}, @@ -40,12 +40,12 @@ var ( ) // Methods returns the instances of all registered methods -func Methods() []Auth { +func Methods() []Method { return authMethods } // Register adds the specified instance to the list of available methods -func Register(method Auth) { +func Register(method Method) { authMethods = append(authMethods, method) } @@ -57,7 +57,12 @@ func Init() { } specialInit() for _, method := range Methods() { - err := method.Init() + initializable, ok := method.(Initializable) + if !ok { + continue + } + + err := initializable.Init() if err != nil { log.Error("Could not initialize '%s' auth method, error: %s", reflect.TypeOf(method).String(), err) } @@ -68,7 +73,12 @@ func Init() { // to release necessary resources func Free() { for _, method := range Methods() { - err := method.Free() + freeable, ok := method.(Freeable) + if !ok { + continue + } + + err := freeable.Free() if err != nil { log.Error("Could not free '%s' auth method, error: %s", reflect.TypeOf(method).String(), err) } diff --git a/services/auth/basic.go b/services/auth/basic.go index 0bce4f1d0..d492a52a6 100644 --- a/services/auth/basic.go +++ b/services/auth/basic.go @@ -19,7 +19,8 @@ import ( // Ensure the struct implements the interface. var ( - _ Auth = &Basic{} + _ Method = &Basic{} + _ Named = &Basic{} ) // Basic implements the Auth interface and authenticates requests (API requests @@ -33,16 +34,6 @@ func (b *Basic) Name() string { return "basic" } -// Init does nothing as the Basic implementation does not need to allocate any resources -func (b *Basic) Init() error { - return nil -} - -// Free does nothing as the Basic implementation does not have to release any resources -func (b *Basic) Free() error { - return nil -} - // Verify extracts and validates Basic data (username and password/token) from the // "Authorization" header of the request and returns the corresponding user object for that // name/token on successful validation. @@ -116,7 +107,7 @@ func (b *Basic) Verify(req *http.Request, w http.ResponseWriter, store DataStore } log.Trace("Basic Authorization: Attempting SignIn for %s", uname) - u, err := models.UserSignIn(uname, passwd) + u, err := UserSignIn(uname, passwd) if err != nil { if !models.IsErrUserNotExist(err) { log.Error("UserSignIn: %v", err) diff --git a/services/auth/group.go b/services/auth/group.go index b61949de7..fb885b818 100644 --- a/services/auth/group.go +++ b/services/auth/group.go @@ -12,30 +12,32 @@ import ( // Ensure the struct implements the interface. var ( - _ Auth = &Group{} + _ Method = &Group{} + _ Initializable = &Group{} + _ Freeable = &Group{} ) // Group implements the Auth interface with serval Auth. type Group struct { - methods []Auth + methods []Method } // NewGroup creates a new auth group -func NewGroup(methods ...Auth) *Group { +func NewGroup(methods ...Method) *Group { return &Group{ methods: methods, } } -// Name represents the name of auth method -func (b *Group) Name() string { - return "group" -} - // Init does nothing as the Basic implementation does not need to allocate any resources func (b *Group) Init() error { - for _, m := range b.methods { - if err := m.Init(); err != nil { + for _, method := range b.methods { + initializable, ok := method.(Initializable) + if !ok { + continue + } + + if err := initializable.Init(); err != nil { return err } } @@ -44,8 +46,12 @@ func (b *Group) Init() error { // Free does nothing as the Basic implementation does not have to release any resources func (b *Group) Free() error { - for _, m := range b.methods { - if err := m.Free(); err != nil { + for _, method := range b.methods { + freeable, ok := method.(Freeable) + if !ok { + continue + } + if err := freeable.Free(); err != nil { return err } } @@ -63,7 +69,9 @@ func (b *Group) Verify(req *http.Request, w http.ResponseWriter, store DataStore user := ssoMethod.Verify(req, w, store, sess) if user != nil { if store.GetData()["AuthedMethod"] == nil { - store.GetData()["AuthedMethod"] = ssoMethod.Name() + if named, ok := ssoMethod.(Named); ok { + store.GetData()["AuthedMethod"] = named.Name() + } } return user } diff --git a/services/auth/interface.go b/services/auth/interface.go index a305bdfc2..51c704337 100644 --- a/services/auth/interface.go +++ b/services/auth/interface.go @@ -5,6 +5,7 @@ package auth import ( + "context" "net/http" "code.gitea.io/gitea/models" @@ -18,22 +19,42 @@ type DataStore middleware.DataStore // SessionStore represents a session store type SessionStore session.Store -// Auth represents an authentication method (plugin) for HTTP requests. -type Auth interface { - Name() string +// Method represents an authentication method (plugin) for HTTP requests. +type Method interface { + // Verify tries to verify the authentication data contained in the request. + // If verification is successful returns either an existing user object (with id > 0) + // or a new user object (with id = 0) populated with the information that was found + // in the authentication data (username or email). + // Returns nil if verification fails. + Verify(http *http.Request, w http.ResponseWriter, store DataStore, sess SessionStore) *models.User +} +// Initializable represents a structure that requires initialization +// It usually should only be called once before anything else is called +type Initializable interface { // Init should be called exactly once before using any of the other methods, // in order to allow the plugin to allocate necessary resources Init() error +} +// Named represents a named thing +type Named interface { + Name() string +} + +// Freeable represents a structure that is required to be freed +type Freeable interface { // Free should be called exactly once before application closes, in order to // give chance to the plugin to free any allocated resources Free() error +} - // Verify tries to verify the authentication data contained in the request. - // If verification is successful returns either an existing user object (with id > 0) - // or a new user object (with id = 0) populated with the information that was found - // in the authentication data (username or email). - // Returns nil if verification fails. - Verify(http *http.Request, w http.ResponseWriter, store DataStore, sess SessionStore) *models.User +// PasswordAuthenticator represents a source of authentication +type PasswordAuthenticator interface { + Authenticate(user *models.User, login, password string) (*models.User, error) +} + +// SynchronizableSource represents a source that can synchronize users +type SynchronizableSource interface { + Sync(ctx context.Context, updateExisting bool) error } diff --git a/services/auth/oauth2.go b/services/auth/oauth2.go index c6b98c144..93806c707 100644 --- a/services/auth/oauth2.go +++ b/services/auth/oauth2.go @@ -14,11 +14,13 @@ import ( "code.gitea.io/gitea/modules/log" "code.gitea.io/gitea/modules/timeutil" "code.gitea.io/gitea/modules/web/middleware" + "code.gitea.io/gitea/services/auth/source/oauth2" ) // Ensure the struct implements the interface. var ( - _ Auth = &OAuth2{} + _ Method = &OAuth2{} + _ Named = &OAuth2{} ) // CheckOAuthAccessToken returns uid of user from oauth token @@ -27,7 +29,7 @@ func CheckOAuthAccessToken(accessToken string) int64 { if !strings.Contains(accessToken, ".") { return 0 } - token, err := models.ParseOAuth2Token(accessToken) + token, err := oauth2.ParseToken(accessToken) if err != nil { log.Trace("ParseOAuth2Token: %v", err) return 0 @@ -36,7 +38,7 @@ func CheckOAuthAccessToken(accessToken string) int64 { if grant, err = models.GetOAuth2GrantByID(token.GrantID); err != nil || grant == nil { return 0 } - if token.Type != models.TypeAccessToken { + if token.Type != oauth2.TypeAccessToken { return 0 } if token.ExpiresAt < time.Now().Unix() || token.IssuedAt > time.Now().Unix() { @@ -51,21 +53,11 @@ func CheckOAuthAccessToken(accessToken string) int64 { type OAuth2 struct { } -// Init does nothing as the OAuth2 implementation does not need to allocate any resources -func (o *OAuth2) Init() error { - return nil -} - // Name represents the name of auth method func (o *OAuth2) Name() string { return "oauth2" } -// Free does nothing as the OAuth2 implementation does not have to release any resources -func (o *OAuth2) Free() error { - return nil -} - // userIDFromToken returns the user id corresponding to the OAuth token. func (o *OAuth2) userIDFromToken(req *http.Request, store DataStore) int64 { _ = req.ParseForm() diff --git a/services/auth/reverseproxy.go b/services/auth/reverseproxy.go index f958d28c9..46d8d3fa6 100644 --- a/services/auth/reverseproxy.go +++ b/services/auth/reverseproxy.go @@ -19,7 +19,8 @@ import ( // Ensure the struct implements the interface. var ( - _ Auth = &ReverseProxy{} + _ Method = &ReverseProxy{} + _ Named = &ReverseProxy{} ) // ReverseProxy implements the Auth interface, but actually relies on @@ -44,16 +45,6 @@ func (r *ReverseProxy) Name() string { return "reverse_proxy" } -// Init does nothing as the ReverseProxy implementation does not need initialization -func (r *ReverseProxy) Init() error { - return nil -} - -// Free does nothing as the ReverseProxy implementation does not have to release resources -func (r *ReverseProxy) Free() error { - return nil -} - // Verify extracts the username from the "setting.ReverseProxyAuthUser" header // of the request and returns the corresponding user object for that name. // Verification of header data is not performed as it should have already been done by diff --git a/services/auth/session.go b/services/auth/session.go index 9f08f4336..9a6e2d95d 100644 --- a/services/auth/session.go +++ b/services/auth/session.go @@ -13,7 +13,8 @@ import ( // Ensure the struct implements the interface. var ( - _ Auth = &Session{} + _ Method = &Session{} + _ Named = &Session{} ) // Session checks if there is a user uid stored in the session and returns the user @@ -21,21 +22,11 @@ var ( type Session struct { } -// Init does nothing as the Session implementation does not need to allocate any resources -func (s *Session) Init() error { - return nil -} - // Name represents the name of auth method func (s *Session) Name() string { return "session" } -// Free does nothing as the Session implementation does not have to release any resources -func (s *Session) Free() error { - return nil -} - // Verify checks if there is a user uid stored in the session and returns the user // object for that uid. // Returns nil if there is no user uid stored in the session. diff --git a/services/auth/signin.go b/services/auth/signin.go new file mode 100644 index 000000000..2c4bf9b35 --- /dev/null +++ b/services/auth/signin.go @@ -0,0 +1,113 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package auth + +import ( + "strings" + + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/modules/log" + + // Register the sources + _ "code.gitea.io/gitea/services/auth/source/db" + _ "code.gitea.io/gitea/services/auth/source/ldap" + _ "code.gitea.io/gitea/services/auth/source/oauth2" + _ "code.gitea.io/gitea/services/auth/source/pam" + _ "code.gitea.io/gitea/services/auth/source/smtp" + _ "code.gitea.io/gitea/services/auth/source/sspi" +) + +// UserSignIn validates user name and password. +func UserSignIn(username, password string) (*models.User, error) { + var user *models.User + if strings.Contains(username, "@") { + user = &models.User{Email: strings.ToLower(strings.TrimSpace(username))} + // check same email + cnt, err := models.Count(user) + if err != nil { + return nil, err + } + if cnt > 1 { + return nil, models.ErrEmailAlreadyUsed{ + Email: user.Email, + } + } + } else { + trimmedUsername := strings.TrimSpace(username) + if len(trimmedUsername) == 0 { + return nil, models.ErrUserNotExist{Name: username} + } + + user = &models.User{LowerName: strings.ToLower(trimmedUsername)} + } + + hasUser, err := models.GetUser(user) + if err != nil { + return nil, err + } + + if hasUser { + source, err := models.GetLoginSourceByID(user.LoginSource) + if err != nil { + return nil, err + } + + if !source.IsActive { + return nil, models.ErrLoginSourceNotActived + } + + authenticator, ok := source.Cfg.(PasswordAuthenticator) + if !ok { + return nil, models.ErrUnsupportedLoginType + } + + user, err := authenticator.Authenticate(user, username, password) + if err != nil { + return nil, err + } + + // WARN: DON'T check user.IsActive, that will be checked on reqSign so that + // user could be hint to resend confirm email. + if user.ProhibitLogin { + return nil, models.ErrUserProhibitLogin{UID: user.ID, Name: user.Name} + } + + return user, nil + } + + sources, err := models.AllActiveLoginSources() + if err != nil { + return nil, err + } + + for _, source := range sources { + if !source.IsActive { + // don't try to authenticate non-active sources + continue + } + + authenticator, ok := source.Cfg.(PasswordAuthenticator) + if !ok { + continue + } + + authUser, err := authenticator.Authenticate(nil, username, password) + + if err == nil { + if !authUser.ProhibitLogin { + return authUser, nil + } + err = models.ErrUserProhibitLogin{UID: authUser.ID, Name: authUser.Name} + } + + if models.IsErrUserNotExist(err) { + log.Debug("Failed to login '%s' via '%s': %v", username, source.Name, err) + } else { + log.Warn("Failed to login '%s' via '%s': %v", username, source.Name, err) + } + } + + return nil, models.ErrUserNotExist{Name: username} +} diff --git a/services/auth/source/db/assert_interface_test.go b/services/auth/source/db/assert_interface_test.go new file mode 100644 index 000000000..2e0fa9ba2 --- /dev/null +++ b/services/auth/source/db/assert_interface_test.go @@ -0,0 +1,21 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package db_test + +import ( + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/services/auth" + "code.gitea.io/gitea/services/auth/source/db" +) + +// This test file exists to assert that our Source exposes the interfaces that we expect +// It tightly binds the interfaces and implementation without breaking go import cycles + +type sourceInterface interface { + auth.PasswordAuthenticator + models.LoginConfig +} + +var _ (sourceInterface) = &db.Source{} diff --git a/services/auth/source/db/authenticate.go b/services/auth/source/db/authenticate.go new file mode 100644 index 000000000..e73ab15d2 --- /dev/null +++ b/services/auth/source/db/authenticate.go @@ -0,0 +1,42 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package db + +import ( + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/modules/setting" +) + +// Authenticate authenticates the provided user against the DB +func Authenticate(user *models.User, login, password string) (*models.User, error) { + if user == nil { + return nil, models.ErrUserNotExist{Name: login} + } + + if !user.IsPasswordSet() || !user.ValidatePassword(password) { + return nil, models.ErrUserNotExist{UID: user.ID, Name: user.Name} + } + + // Update password hash if server password hash algorithm have changed + if user.PasswdHashAlgo != setting.PasswordHashAlgo { + if err := user.SetPassword(password); err != nil { + return nil, err + } + if err := models.UpdateUserCols(user, "passwd", "passwd_hash_algo", "salt"); err != nil { + return nil, err + } + } + + // WARN: DON'T check user.IsActive, that will be checked on reqSign so that + // user could be hint to resend confirm email. + if user.ProhibitLogin { + return nil, models.ErrUserProhibitLogin{ + UID: user.ID, + Name: user.Name, + } + } + + return user, nil +} diff --git a/services/auth/source/db/source.go b/services/auth/source/db/source.go new file mode 100644 index 000000000..182c05f0d --- /dev/null +++ b/services/auth/source/db/source.go @@ -0,0 +1,31 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package db + +import "code.gitea.io/gitea/models" + +// Source is a password authentication service +type Source struct{} + +// FromDB fills up an OAuth2Config from serialized format. +func (source *Source) FromDB(bs []byte) error { + return nil +} + +// ToDB exports an SMTPConfig to a serialized format. +func (source *Source) ToDB() ([]byte, error) { + return nil, nil +} + +// Authenticate queries if login/password is valid against the PAM, +// and create a local user if success when enabled. +func (source *Source) Authenticate(user *models.User, login, password string) (*models.User, error) { + return Authenticate(user, login, password) +} + +func init() { + models.RegisterLoginTypeConfig(models.LoginNoType, &Source{}) + models.RegisterLoginTypeConfig(models.LoginPlain, &Source{}) +} diff --git a/modules/auth/ldap/README.md b/services/auth/source/ldap/README.md similarity index 57% rename from modules/auth/ldap/README.md rename to services/auth/source/ldap/README.md index 76841f44a..3a839fa31 100644 --- a/modules/auth/ldap/README.md +++ b/services/auth/source/ldap/README.md @@ -1,5 +1,4 @@ -Gitea LDAP Authentication Module -=============================== +# Gitea LDAP Authentication Module ## About @@ -30,94 +29,94 @@ section in the admin panel. Both the LDAP via BindDN and the simple auth LDAP share the following fields: * Authorization Name **(required)** - * A name to assign to the new method of authorization. + * A name to assign to the new method of authorization. * Host **(required)** - * The address where the LDAP server can be reached. - * Example: mydomain.com + * The address where the LDAP server can be reached. + * Example: mydomain.com * Port **(required)** - * The port to use when connecting to the server. - * Example: 636 + * The port to use when connecting to the server. + * Example: 636 * Enable TLS Encryption (optional) - * Whether to use TLS when connecting to the LDAP server. + * Whether to use TLS when connecting to the LDAP server. * Admin Filter (optional) - * An LDAP filter specifying if a user should be given administrator + * An LDAP filter specifying if a user should be given administrator privileges. If a user accounts passes the filter, the user will be privileged as an administrator. - * Example: (objectClass=adminAccount) + * Example: (objectClass=adminAccount) * First name attribute (optional) - * The attribute of the user's LDAP record containing the user's first name. + * The attribute of the user's LDAP record containing the user's first name. This will be used to populate their account information. - * Example: givenName + * Example: givenName * Surname attribute (optional) - * The attribute of the user's LDAP record containing the user's surname This + * The attribute of the user's LDAP record containing the user's surname This will be used to populate their account information. - * Example: sn + * Example: sn * E-mail attribute **(required)** - * The attribute of the user's LDAP record containing the user's email + * The attribute of the user's LDAP record containing the user's email address. This will be used to populate their account information. - * Example: mail + * Example: mail **LDAP via BindDN** adds the following fields: * Bind DN (optional) - * The DN to bind to the LDAP server with when searching for the user. This + * The DN to bind to the LDAP server with when searching for the user. This may be left blank to perform an anonymous search. - * Example: cn=Search,dc=mydomain,dc=com + * Example: cn=Search,dc=mydomain,dc=com * Bind Password (optional) - * The password for the Bind DN specified above, if any. _Note: The password + * The password for the Bind DN specified above, if any. _Note: The password is stored in plaintext at the server. As such, ensure that your Bind DN has as few privileges as possible._ * User Search Base **(required)** - * The LDAP base at which user accounts will be searched for. - * Example: ou=Users,dc=mydomain,dc=com + * The LDAP base at which user accounts will be searched for. + * Example: ou=Users,dc=mydomain,dc=com * User Filter **(required)** - * An LDAP filter declaring how to find the user record that is attempting to + * An LDAP filter declaring how to find the user record that is attempting to authenticate. The '%s' matching parameter will be substituted with the user's username. - * Example: (&(objectClass=posixAccount)(uid=%s)) + * Example: (&(objectClass=posixAccount)(uid=%s)) **LDAP using simple auth** adds the following fields: * User DN **(required)** - * A template to use as the user's DN. The `%s` matching parameter will be + * A template to use as the user's DN. The `%s` matching parameter will be substituted with the user's username. - * Example: cn=%s,ou=Users,dc=mydomain,dc=com - * Example: uid=%s,ou=Users,dc=mydomain,dc=com + * Example: cn=%s,ou=Users,dc=mydomain,dc=com + * Example: uid=%s,ou=Users,dc=mydomain,dc=com * User Search Base (optional) - * The LDAP base at which user accounts will be searched for. - * Example: ou=Users,dc=mydomain,dc=com + * The LDAP base at which user accounts will be searched for. + * Example: ou=Users,dc=mydomain,dc=com * User Filter **(required)** - * An LDAP filter declaring when a user should be allowed to log in. The `%s` + * An LDAP filter declaring when a user should be allowed to log in. The `%s` matching parameter will be substituted with the user's username. - * Example: (&(objectClass=posixAccount)(cn=%s)) - * Example: (&(objectClass=posixAccount)(uid=%s)) + * Example: (&(objectClass=posixAccount)(cn=%s)) + * Example: (&(objectClass=posixAccount)(uid=%s)) **Verify group membership in LDAP** uses the following fields: * Group Search Base (optional) - * The LDAP DN used for groups. - * Example: ou=group,dc=mydomain,dc=com + * The LDAP DN used for groups. + * Example: ou=group,dc=mydomain,dc=com * Group Name Filter (optional) - * An LDAP filter declaring how to find valid groups in the above DN. - * Example: (|(cn=gitea_users)(cn=admins)) + * An LDAP filter declaring how to find valid groups in the above DN. + * Example: (|(cn=gitea_users)(cn=admins)) * User Attribute in Group (optional) - * Which user LDAP attribute is listed in the group. - * Example: uid + * Which user LDAP attribute is listed in the group. + * Example: uid * Group Attribute for User (optional) - * Which group LDAP attribute contains an array above user attribute names. - * Example: memberUid + * Which group LDAP attribute contains an array above user attribute names. + * Example: memberUid diff --git a/services/auth/source/ldap/assert_interface_test.go b/services/auth/source/ldap/assert_interface_test.go new file mode 100644 index 000000000..4cf3eafe7 --- /dev/null +++ b/services/auth/source/ldap/assert_interface_test.go @@ -0,0 +1,27 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package ldap_test + +import ( + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/services/auth" + "code.gitea.io/gitea/services/auth/source/ldap" +) + +// This test file exists to assert that our Source exposes the interfaces that we expect +// It tightly binds the interfaces and implementation without breaking go import cycles + +type sourceInterface interface { + auth.PasswordAuthenticator + auth.SynchronizableSource + models.SSHKeyProvider + models.LoginConfig + models.SkipVerifiable + models.HasTLSer + models.UseTLSer + models.LoginSourceSettable +} + +var _ (sourceInterface) = &ldap.Source{} diff --git a/services/auth/source/ldap/security_protocol.go b/services/auth/source/ldap/security_protocol.go new file mode 100644 index 000000000..47c9d30e5 --- /dev/null +++ b/services/auth/source/ldap/security_protocol.go @@ -0,0 +1,27 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package ldap + +// SecurityProtocol protocol type +type SecurityProtocol int + +// Note: new type must be added at the end of list to maintain compatibility. +const ( + SecurityProtocolUnencrypted SecurityProtocol = iota + SecurityProtocolLDAPS + SecurityProtocolStartTLS +) + +// String returns the name of the SecurityProtocol +func (s SecurityProtocol) String() string { + return SecurityProtocolNames[s] +} + +// SecurityProtocolNames contains the name of SecurityProtocol values. +var SecurityProtocolNames = map[SecurityProtocol]string{ + SecurityProtocolUnencrypted: "Unencrypted", + SecurityProtocolLDAPS: "LDAPS", + SecurityProtocolStartTLS: "StartTLS", +} diff --git a/services/auth/source/ldap/source.go b/services/auth/source/ldap/source.go new file mode 100644 index 000000000..87be0117e --- /dev/null +++ b/services/auth/source/ldap/source.go @@ -0,0 +1,120 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package ldap + +import ( + "strings" + + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/modules/secret" + "code.gitea.io/gitea/modules/setting" + + jsoniter "github.com/json-iterator/go" +) + +// .____ ________ _____ __________ +// | | \______ \ / _ \\______ \ +// | | | | \ / /_\ \| ___/ +// | |___ | ` \/ | \ | +// |_______ \/_______ /\____|__ /____| +// \/ \/ \/ + +// Package ldap provide functions & structure to query a LDAP ldap directory +// For now, it's mainly tested again an MS Active Directory service, see README.md for more information + +// Source Basic LDAP authentication service +type Source struct { + Name string // canonical name (ie. corporate.ad) + Host string // LDAP host + Port int // port number + SecurityProtocol SecurityProtocol + SkipVerify bool + BindDN string // DN to bind with + BindPasswordEncrypt string // Encrypted Bind BN password + BindPassword string // Bind DN password + UserBase string // Base search path for users + UserDN string // Template for the DN of the user for simple auth + AttributeUsername string // Username attribute + AttributeName string // First name attribute + AttributeSurname string // Surname attribute + AttributeMail string // E-mail attribute + AttributesInBind bool // fetch attributes in bind context (not user) + AttributeSSHPublicKey string // LDAP SSH Public Key attribute + SearchPageSize uint32 // Search with paging page size + Filter string // Query filter to validate entry + AdminFilter string // Query filter to check if user is admin + RestrictedFilter string // Query filter to check if user is restricted + Enabled bool // if this source is disabled + AllowDeactivateAll bool // Allow an empty search response to deactivate all users from this source + GroupsEnabled bool // if the group checking is enabled + GroupDN string // Group Search Base + GroupFilter string // Group Name Filter + GroupMemberUID string // Group Attribute containing array of UserUID + UserUID string // User Attribute listed in Group + + // reference to the loginSource + loginSource *models.LoginSource +} + +// FromDB fills up a LDAPConfig from serialized format. +func (source *Source) FromDB(bs []byte) error { + err := models.JSONUnmarshalHandleDoubleEncode(bs, &source) + if err != nil { + return err + } + if source.BindPasswordEncrypt != "" { + source.BindPassword, err = secret.DecryptSecret(setting.SecretKey, source.BindPasswordEncrypt) + source.BindPasswordEncrypt = "" + } + return err +} + +// ToDB exports a LDAPConfig to a serialized format. +func (source *Source) ToDB() ([]byte, error) { + var err error + source.BindPasswordEncrypt, err = secret.EncryptSecret(setting.SecretKey, source.BindPassword) + if err != nil { + return nil, err + } + source.BindPassword = "" + json := jsoniter.ConfigCompatibleWithStandardLibrary + return json.Marshal(source) +} + +// SecurityProtocolName returns the name of configured security +// protocol. +func (source *Source) SecurityProtocolName() string { + return SecurityProtocolNames[source.SecurityProtocol] +} + +// IsSkipVerify returns if SkipVerify is set +func (source *Source) IsSkipVerify() bool { + return source.SkipVerify +} + +// HasTLS returns if HasTLS +func (source *Source) HasTLS() bool { + return source.SecurityProtocol > SecurityProtocolUnencrypted +} + +// UseTLS returns if UseTLS +func (source *Source) UseTLS() bool { + return source.SecurityProtocol != SecurityProtocolUnencrypted +} + +// ProvidesSSHKeys returns if this source provides SSH Keys +func (source *Source) ProvidesSSHKeys() bool { + return len(strings.TrimSpace(source.AttributeSSHPublicKey)) > 0 +} + +// SetLoginSource sets the related LoginSource +func (source *Source) SetLoginSource(loginSource *models.LoginSource) { + source.loginSource = loginSource +} + +func init() { + models.RegisterLoginTypeConfig(models.LoginLDAP, &Source{}) + models.RegisterLoginTypeConfig(models.LoginDLDAP, &Source{}) +} diff --git a/services/auth/source/ldap/source_authenticate.go b/services/auth/source/ldap/source_authenticate.go new file mode 100644 index 000000000..1d5e69539 --- /dev/null +++ b/services/auth/source/ldap/source_authenticate.go @@ -0,0 +1,93 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package ldap + +import ( + "fmt" + "strings" + + "code.gitea.io/gitea/models" +) + +// Authenticate queries if login/password is valid against the LDAP directory pool, +// and create a local user if success when enabled. +func (source *Source) Authenticate(user *models.User, login, password string) (*models.User, error) { + sr := source.SearchEntry(login, password, source.loginSource.Type == models.LoginDLDAP) + if sr == nil { + // User not in LDAP, do nothing + return nil, models.ErrUserNotExist{Name: login} + } + + isAttributeSSHPublicKeySet := len(strings.TrimSpace(source.AttributeSSHPublicKey)) > 0 + + // Update User admin flag if exist + if isExist, err := models.IsUserExist(0, sr.Username); err != nil { + return nil, err + } else if isExist { + if user == nil { + user, err = models.GetUserByName(sr.Username) + if err != nil { + return nil, err + } + } + if user != nil && !user.ProhibitLogin { + cols := make([]string, 0) + if len(source.AdminFilter) > 0 && user.IsAdmin != sr.IsAdmin { + // Change existing admin flag only if AdminFilter option is set + user.IsAdmin = sr.IsAdmin + cols = append(cols, "is_admin") + } + if !user.IsAdmin && len(source.RestrictedFilter) > 0 && user.IsRestricted != sr.IsRestricted { + // Change existing restricted flag only if RestrictedFilter option is set + user.IsRestricted = sr.IsRestricted + cols = append(cols, "is_restricted") + } + if len(cols) > 0 { + err = models.UpdateUserCols(user, cols...) + if err != nil { + return nil, err + } + } + } + } + + if user != nil { + if isAttributeSSHPublicKeySet && models.SynchronizePublicKeys(user, source.loginSource, sr.SSHPublicKey) { + return user, models.RewriteAllPublicKeys() + } + + return user, nil + } + + // Fallback. + if len(sr.Username) == 0 { + sr.Username = login + } + + if len(sr.Mail) == 0 { + sr.Mail = fmt.Sprintf("%s@localhost", sr.Username) + } + + user = &models.User{ + LowerName: strings.ToLower(sr.Username), + Name: sr.Username, + FullName: composeFullName(sr.Name, sr.Surname, sr.Username), + Email: sr.Mail, + LoginType: source.loginSource.Type, + LoginSource: source.loginSource.ID, + LoginName: login, + IsActive: true, + IsAdmin: sr.IsAdmin, + IsRestricted: sr.IsRestricted, + } + + err := models.CreateUser(user) + + if err == nil && isAttributeSSHPublicKeySet && models.AddPublicKeysBySource(user, source.loginSource, sr.SSHPublicKey) { + err = models.RewriteAllPublicKeys() + } + + return user, err +} diff --git a/modules/auth/ldap/ldap.go b/services/auth/source/ldap/source_search.go similarity index 85% rename from modules/auth/ldap/ldap.go rename to services/auth/source/ldap/source_search.go index 91ad33a60..e99fc6790 100644 --- a/modules/auth/ldap/ldap.go +++ b/services/auth/source/ldap/source_search.go @@ -3,8 +3,6 @@ // Use of this source code is governed by a MIT-style // license that can be found in the LICENSE file. -// Package ldap provide functions & structure to query a LDAP ldap directory -// For now, it's mainly tested again an MS Active Directory service, see README.md for more information package ldap import ( @@ -17,47 +15,6 @@ import ( "github.com/go-ldap/ldap/v3" ) -// SecurityProtocol protocol type -type SecurityProtocol int - -// Note: new type must be added at the end of list to maintain compatibility. -const ( - SecurityProtocolUnencrypted SecurityProtocol = iota - SecurityProtocolLDAPS - SecurityProtocolStartTLS -) - -// Source Basic LDAP authentication service -type Source struct { - Name string // canonical name (ie. corporate.ad) - Host string // LDAP host - Port int // port number - SecurityProtocol SecurityProtocol - SkipVerify bool - BindDN string // DN to bind with - BindPasswordEncrypt string // Encrypted Bind BN password - BindPassword string // Bind DN password - UserBase string // Base search path for users - UserDN string // Template for the DN of the user for simple auth - AttributeUsername string // Username attribute - AttributeName string // First name attribute - AttributeSurname string // Surname attribute - AttributeMail string // E-mail attribute - AttributesInBind bool // fetch attributes in bind context (not user) - AttributeSSHPublicKey string // LDAP SSH Public Key attribute - SearchPageSize uint32 // Search with paging page size - Filter string // Query filter to validate entry - AdminFilter string // Query filter to check if user is admin - RestrictedFilter string // Query filter to check if user is restricted - Enabled bool // if this source is disabled - AllowDeactivateAll bool // Allow an empty search response to deactivate all users from this source - GroupsEnabled bool // if the group checking is enabled - GroupDN string // Group Search Base - GroupFilter string // Group Name Filter - GroupMemberUID string // Group Attribute containing array of UserUID - UserUID string // User Attribute listed in Group -} - // SearchResult : user data type SearchResult struct { Username string // Username diff --git a/services/auth/source/ldap/source_sync.go b/services/auth/source/ldap/source_sync.go new file mode 100644 index 000000000..7e4088e57 --- /dev/null +++ b/services/auth/source/ldap/source_sync.go @@ -0,0 +1,184 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package ldap + +import ( + "context" + "fmt" + "strings" + + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/modules/log" +) + +// Sync causes this ldap source to synchronize its users with the db +func (source *Source) Sync(ctx context.Context, updateExisting bool) error { + log.Trace("Doing: SyncExternalUsers[%s]", source.loginSource.Name) + + var existingUsers []int64 + isAttributeSSHPublicKeySet := len(strings.TrimSpace(source.AttributeSSHPublicKey)) > 0 + var sshKeysNeedUpdate bool + + // Find all users with this login type - FIXME: Should this be an iterator? + users, err := models.GetUsersBySource(source.loginSource) + if err != nil { + log.Error("SyncExternalUsers: %v", err) + return err + } + select { + case <-ctx.Done(): + log.Warn("SyncExternalUsers: Cancelled before update of %s", source.loginSource.Name) + return models.ErrCancelledf("Before update of %s", source.loginSource.Name) + default: + } + + sr, err := source.SearchEntries() + if err != nil { + log.Error("SyncExternalUsers LDAP source failure [%s], skipped", source.loginSource.Name) + return nil + } + + if len(sr) == 0 { + if !source.AllowDeactivateAll { + log.Error("LDAP search found no entries but did not report an error. Refusing to deactivate all users") + return nil + } + log.Warn("LDAP search found no entries but did not report an error. All users will be deactivated as per settings") + } + + for _, su := range sr { + select { + case <-ctx.Done(): + log.Warn("SyncExternalUsers: Cancelled at update of %s before completed update of users", source.loginSource.Name) + // Rewrite authorized_keys file if LDAP Public SSH Key attribute is set and any key was added or removed + if sshKeysNeedUpdate { + err = models.RewriteAllPublicKeys() + if err != nil { + log.Error("RewriteAllPublicKeys: %v", err) + } + } + return models.ErrCancelledf("During update of %s before completed update of users", source.loginSource.Name) + default: + } + if len(su.Username) == 0 { + continue + } + + if len(su.Mail) == 0 { + su.Mail = fmt.Sprintf("%s@localhost", su.Username) + } + + var usr *models.User + // Search for existing user + for _, du := range users { + if du.LowerName == strings.ToLower(su.Username) { + usr = du + break + } + } + + fullName := composeFullName(su.Name, su.Surname, su.Username) + // If no existing user found, create one + if usr == nil { + log.Trace("SyncExternalUsers[%s]: Creating user %s", source.loginSource.Name, su.Username) + + usr = &models.User{ + LowerName: strings.ToLower(su.Username), + Name: su.Username, + FullName: fullName, + LoginType: source.loginSource.Type, + LoginSource: source.loginSource.ID, + LoginName: su.Username, + Email: su.Mail, + IsAdmin: su.IsAdmin, + IsRestricted: su.IsRestricted, + IsActive: true, + } + + err = models.CreateUser(usr) + + if err != nil { + log.Error("SyncExternalUsers[%s]: Error creating user %s: %v", source.loginSource.Name, su.Username, err) + } else if isAttributeSSHPublicKeySet { + log.Trace("SyncExternalUsers[%s]: Adding LDAP Public SSH Keys for user %s", source.loginSource.Name, usr.Name) + if models.AddPublicKeysBySource(usr, source.loginSource, su.SSHPublicKey) { + sshKeysNeedUpdate = true + } + } + } else if updateExisting { + existingUsers = append(existingUsers, usr.ID) + + // Synchronize SSH Public Key if that attribute is set + if isAttributeSSHPublicKeySet && models.SynchronizePublicKeys(usr, source.loginSource, su.SSHPublicKey) { + sshKeysNeedUpdate = true + } + + // Check if user data has changed + if (len(source.AdminFilter) > 0 && usr.IsAdmin != su.IsAdmin) || + (len(source.RestrictedFilter) > 0 && usr.IsRestricted != su.IsRestricted) || + !strings.EqualFold(usr.Email, su.Mail) || + usr.FullName != fullName || + !usr.IsActive { + + log.Trace("SyncExternalUsers[%s]: Updating user %s", source.loginSource.Name, usr.Name) + + usr.FullName = fullName + usr.Email = su.Mail + // Change existing admin flag only if AdminFilter option is set + if len(source.AdminFilter) > 0 { + usr.IsAdmin = su.IsAdmin + } + // Change existing restricted flag only if RestrictedFilter option is set + if !usr.IsAdmin && len(source.RestrictedFilter) > 0 { + usr.IsRestricted = su.IsRestricted + } + usr.IsActive = true + + err = models.UpdateUserCols(usr, "full_name", "email", "is_admin", "is_restricted", "is_active") + if err != nil { + log.Error("SyncExternalUsers[%s]: Error updating user %s: %v", source.loginSource.Name, usr.Name, err) + } + } + } + } + + // Rewrite authorized_keys file if LDAP Public SSH Key attribute is set and any key was added or removed + if sshKeysNeedUpdate { + err = models.RewriteAllPublicKeys() + if err != nil { + log.Error("RewriteAllPublicKeys: %v", err) + } + } + + select { + case <-ctx.Done(): + log.Warn("SyncExternalUsers: Cancelled during update of %s before delete users", source.loginSource.Name) + return models.ErrCancelledf("During update of %s before delete users", source.loginSource.Name) + default: + } + + // Deactivate users not present in LDAP + if updateExisting { + for _, usr := range users { + found := false + for _, uid := range existingUsers { + if usr.ID == uid { + found = true + break + } + } + if !found { + log.Trace("SyncExternalUsers[%s]: Deactivating user %s", source.loginSource.Name, usr.Name) + + usr.IsActive = false + err = models.UpdateUserCols(usr, "is_active") + if err != nil { + log.Error("SyncExternalUsers[%s]: Error deactivating user %s: %v", source.loginSource.Name, usr.Name, err) + } + } + } + } + return nil +} diff --git a/services/auth/source/ldap/util.go b/services/auth/source/ldap/util.go new file mode 100644 index 000000000..f27de37c8 --- /dev/null +++ b/services/auth/source/ldap/util.go @@ -0,0 +1,19 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package ldap + +// composeFullName composes a firstname surname or username +func composeFullName(firstname, surname, username string) string { + switch { + case len(firstname) == 0 && len(surname) == 0: + return username + case len(firstname) == 0: + return surname + case len(surname) == 0: + return firstname + default: + return firstname + " " + surname + } +} diff --git a/services/auth/source/oauth2/assert_interface_test.go b/services/auth/source/oauth2/assert_interface_test.go new file mode 100644 index 000000000..4157427ff --- /dev/null +++ b/services/auth/source/oauth2/assert_interface_test.go @@ -0,0 +1,23 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package oauth2_test + +import ( + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/services/auth" + "code.gitea.io/gitea/services/auth/source/oauth2" +) + +// This test file exists to assert that our Source exposes the interfaces that we expect +// It tightly binds the interfaces and implementation without breaking go import cycles + +type sourceInterface interface { + models.LoginConfig + models.LoginSourceSettable + models.RegisterableSource + auth.PasswordAuthenticator +} + +var _ (sourceInterface) = &oauth2.Source{} diff --git a/services/auth/source/oauth2/init.go b/services/auth/source/oauth2/init.go new file mode 100644 index 000000000..f797fd7fd --- /dev/null +++ b/services/auth/source/oauth2/init.go @@ -0,0 +1,83 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package oauth2 + +import ( + "net/http" + + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/modules/log" + "code.gitea.io/gitea/modules/setting" + + "github.com/google/uuid" + "github.com/markbates/goth/gothic" +) + +// SessionTableName is the table name that OAuth2 will use to store things +const SessionTableName = "oauth2_session" + +// UsersStoreKey is the key for the store +const UsersStoreKey = "gitea-oauth2-sessions" + +// ProviderHeaderKey is the HTTP header key +const ProviderHeaderKey = "gitea-oauth2-provider" + +// Init initializes the oauth source +func Init() error { + if err := InitSigningKey(); err != nil { + return err + } + + store, err := models.CreateStore(SessionTableName, UsersStoreKey) + if err != nil { + return err + } + + // according to the Goth lib: + // set the maxLength of the cookies stored on the disk to a larger number to prevent issues with: + // securecookie: the value is too long + // when using OpenID Connect , since this can contain a large amount of extra information in the id_token + + // Note, when using the FilesystemStore only the session.ID is written to a browser cookie, so this is explicit for the storage on disk + store.MaxLength(setting.OAuth2.MaxTokenLength) + gothic.Store = store + + gothic.SetState = func(req *http.Request) string { + return uuid.New().String() + } + + gothic.GetProviderName = func(req *http.Request) (string, error) { + return req.Header.Get(ProviderHeaderKey), nil + } + + return initOAuth2LoginSources() +} + +// ResetOAuth2 clears existing OAuth2 providers and loads them from DB +func ResetOAuth2() error { + ClearProviders() + return initOAuth2LoginSources() +} + +// initOAuth2LoginSources is used to load and register all active OAuth2 providers +func initOAuth2LoginSources() error { + loginSources, _ := models.GetActiveOAuth2ProviderLoginSources() + for _, source := range loginSources { + oauth2Source, ok := source.Cfg.(*Source) + if !ok { + continue + } + err := oauth2Source.RegisterSource() + if err != nil { + log.Critical("Unable to register source: %s due to Error: %v. This source will be disabled.", source.Name, err) + source.IsActive = false + if err = models.UpdateSource(source); err != nil { + log.Critical("Unable to update source %s to disable it. Error: %v", err) + return err + } + } + } + return nil +} diff --git a/modules/auth/oauth2/jwtsigningkey.go b/services/auth/source/oauth2/jwtsigningkey.go similarity index 100% rename from modules/auth/oauth2/jwtsigningkey.go rename to services/auth/source/oauth2/jwtsigningkey.go diff --git a/modules/auth/oauth2/oauth2.go b/services/auth/source/oauth2/providers.go similarity index 61% rename from modules/auth/oauth2/oauth2.go rename to services/auth/source/oauth2/providers.go index 5d152e0a5..bf97f8002 100644 --- a/modules/auth/oauth2/oauth2.go +++ b/services/auth/source/oauth2/providers.go @@ -1,20 +1,18 @@ -// Copyright 2017 The Gitea Authors. All rights reserved. +// Copyright 2021 The Gitea Authors. All rights reserved. // Use of this source code is governed by a MIT-style // license that can be found in the LICENSE file. package oauth2 import ( - "net/http" "net/url" + "sort" + "code.gitea.io/gitea/models" "code.gitea.io/gitea/modules/log" "code.gitea.io/gitea/modules/setting" - uuid "github.com/google/uuid" - "github.com/lafriks/xormstore" "github.com/markbates/goth" - "github.com/markbates/goth/gothic" "github.com/markbates/goth/providers/bitbucket" "github.com/markbates/goth/providers/discord" "github.com/markbates/goth/providers/dropbox" @@ -28,79 +26,94 @@ import ( "github.com/markbates/goth/providers/openidConnect" "github.com/markbates/goth/providers/twitter" "github.com/markbates/goth/providers/yandex" - "xorm.io/xorm" ) -var ( - sessionUsersStoreKey = "gitea-oauth2-sessions" - providerHeaderKey = "gitea-oauth2-provider" -) +// Provider describes the display values of a single OAuth2 provider +type Provider struct { + Name string + DisplayName string + Image string + CustomURLMapping *CustomURLMapping +} -// CustomURLMapping describes the urls values to use when customizing OAuth2 provider URLs -type CustomURLMapping struct { - AuthURL string - TokenURL string - ProfileURL string - EmailURL string +// Providers contains the map of registered OAuth2 providers in Gitea (based on goth) +// key is used to map the OAuth2Provider with the goth provider type (also in LoginSource.OAuth2Config.Provider) +// value is used to store display data +var Providers = map[string]Provider{ + "bitbucket": {Name: "bitbucket", DisplayName: "Bitbucket", Image: "/assets/img/auth/bitbucket.png"}, + "dropbox": {Name: "dropbox", DisplayName: "Dropbox", Image: "/assets/img/auth/dropbox.png"}, + "facebook": {Name: "facebook", DisplayName: "Facebook", Image: "/assets/img/auth/facebook.png"}, + "github": { + Name: "github", DisplayName: "GitHub", Image: "/assets/img/auth/github.png", + CustomURLMapping: &CustomURLMapping{ + TokenURL: github.TokenURL, + AuthURL: github.AuthURL, + ProfileURL: github.ProfileURL, + EmailURL: github.EmailURL, + }, + }, + "gitlab": { + Name: "gitlab", DisplayName: "GitLab", Image: "/assets/img/auth/gitlab.png", + CustomURLMapping: &CustomURLMapping{ + TokenURL: gitlab.TokenURL, + AuthURL: gitlab.AuthURL, + ProfileURL: gitlab.ProfileURL, + }, + }, + "gplus": {Name: "gplus", DisplayName: "Google", Image: "/assets/img/auth/google.png"}, + "openidConnect": {Name: "openidConnect", DisplayName: "OpenID Connect", Image: "/assets/img/auth/openid_connect.svg"}, + "twitter": {Name: "twitter", DisplayName: "Twitter", Image: "/assets/img/auth/twitter.png"}, + "discord": {Name: "discord", DisplayName: "Discord", Image: "/assets/img/auth/discord.png"}, + "gitea": { + Name: "gitea", DisplayName: "Gitea", Image: "/assets/img/auth/gitea.png", + CustomURLMapping: &CustomURLMapping{ + TokenURL: gitea.TokenURL, + AuthURL: gitea.AuthURL, + ProfileURL: gitea.ProfileURL, + }, + }, + "nextcloud": { + Name: "nextcloud", DisplayName: "Nextcloud", Image: "/assets/img/auth/nextcloud.png", + CustomURLMapping: &CustomURLMapping{ + TokenURL: nextcloud.TokenURL, + AuthURL: nextcloud.AuthURL, + ProfileURL: nextcloud.ProfileURL, + }, + }, + "yandex": {Name: "yandex", DisplayName: "Yandex", Image: "/assets/img/auth/yandex.png"}, + "mastodon": { + Name: "mastodon", DisplayName: "Mastodon", Image: "/assets/img/auth/mastodon.png", + CustomURLMapping: &CustomURLMapping{ + AuthURL: mastodon.InstanceURL, + }, + }, } -// Init initialize the setup of the OAuth2 library -func Init(x *xorm.Engine) error { - store, err := xormstore.NewOptions(x, xormstore.Options{ - TableName: "oauth2_session", - }, []byte(sessionUsersStoreKey)) +// GetActiveOAuth2Providers returns the map of configured active OAuth2 providers +// key is used as technical name (like in the callbackURL) +// values to display +func GetActiveOAuth2Providers() ([]string, map[string]Provider, error) { + // Maybe also separate used and unused providers so we can force the registration of only 1 active provider for each type + loginSources, err := models.GetActiveOAuth2ProviderLoginSources() if err != nil { - return err - } - // according to the Goth lib: - // set the maxLength of the cookies stored on the disk to a larger number to prevent issues with: - // securecookie: the value is too long - // when using OpenID Connect , since this can contain a large amount of extra information in the id_token - - // Note, when using the FilesystemStore only the session.ID is written to a browser cookie, so this is explicit for the storage on disk - store.MaxLength(setting.OAuth2.MaxTokenLength) - gothic.Store = store - - gothic.SetState = func(req *http.Request) string { - return uuid.New().String() + return nil, nil, err } - gothic.GetProviderName = func(req *http.Request) (string, error) { - return req.Header.Get(providerHeaderKey), nil - } - - return nil -} - -// Auth OAuth2 auth service -func Auth(provider string, request *http.Request, response http.ResponseWriter) error { - // not sure if goth is thread safe (?) when using multiple providers - request.Header.Set(providerHeaderKey, provider) - - // don't use the default gothic begin handler to prevent issues when some error occurs - // normally the gothic library will write some custom stuff to the response instead of our own nice error page - //gothic.BeginAuthHandler(response, request) - - url, err := gothic.GetAuthURL(response, request) - if err == nil { - http.Redirect(response, request, url, http.StatusTemporaryRedirect) + var orderedKeys []string + providers := make(map[string]Provider) + for _, source := range loginSources { + prov := Providers[source.Cfg.(*Source).Provider] + if source.Cfg.(*Source).IconURL != "" { + prov.Image = source.Cfg.(*Source).IconURL + } + providers[source.Name] = prov + orderedKeys = append(orderedKeys, source.Name) } - return err -} -// ProviderCallback handles OAuth callback, resolve to a goth user and send back to original url -// this will trigger a new authentication request, but because we save it in the session we can use that -func ProviderCallback(provider string, request *http.Request, response http.ResponseWriter) (goth.User, error) { - // not sure if goth is thread safe (?) when using multiple providers - request.Header.Set(providerHeaderKey, provider) - - user, err := gothic.CompleteUserAuth(response, request) - if err != nil { - return user, err - } + sort.Strings(orderedKeys) - return user, nil + return orderedKeys, providers, nil } // RegisterProvider register a OAuth2 provider in goth lib @@ -242,58 +255,3 @@ func createProvider(providerName, providerType, clientID, clientSecret, openIDCo return provider, err } - -// GetDefaultTokenURL return the default token url for the given provider -func GetDefaultTokenURL(provider string) string { - switch provider { - case "github": - return github.TokenURL - case "gitlab": - return gitlab.TokenURL - case "gitea": - return gitea.TokenURL - case "nextcloud": - return nextcloud.TokenURL - } - return "" -} - -// GetDefaultAuthURL return the default authorize url for the given provider -func GetDefaultAuthURL(provider string) string { - switch provider { - case "github": - return github.AuthURL - case "gitlab": - return gitlab.AuthURL - case "gitea": - return gitea.AuthURL - case "nextcloud": - return nextcloud.AuthURL - case "mastodon": - return mastodon.InstanceURL - } - return "" -} - -// GetDefaultProfileURL return the default profile url for the given provider -func GetDefaultProfileURL(provider string) string { - switch provider { - case "github": - return github.ProfileURL - case "gitlab": - return gitlab.ProfileURL - case "gitea": - return gitea.ProfileURL - case "nextcloud": - return nextcloud.ProfileURL - } - return "" -} - -// GetDefaultEmailURL return the default email url for the given provider -func GetDefaultEmailURL(provider string) string { - if provider == "github" { - return github.EmailURL - } - return "" -} diff --git a/services/auth/source/oauth2/source.go b/services/auth/source/oauth2/source.go new file mode 100644 index 000000000..e9c49ef90 --- /dev/null +++ b/services/auth/source/oauth2/source.go @@ -0,0 +1,51 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package oauth2 + +import ( + "code.gitea.io/gitea/models" + + jsoniter "github.com/json-iterator/go" +) + +// ________ _____ __ .__ ________ +// \_____ \ / _ \ __ ___/ |_| |__ \_____ \ +// / | \ / /_\ \| | \ __\ | \ / ____/ +// / | \/ | \ | /| | | Y \/ \ +// \_______ /\____|__ /____/ |__| |___| /\_______ \ +// \/ \/ \/ \/ + +// Source holds configuration for the OAuth2 login source. +type Source struct { + Provider string + ClientID string + ClientSecret string + OpenIDConnectAutoDiscoveryURL string + CustomURLMapping *CustomURLMapping + IconURL string + + // reference to the loginSource + loginSource *models.LoginSource +} + +// FromDB fills up an OAuth2Config from serialized format. +func (source *Source) FromDB(bs []byte) error { + return models.JSONUnmarshalHandleDoubleEncode(bs, &source) +} + +// ToDB exports an SMTPConfig to a serialized format. +func (source *Source) ToDB() ([]byte, error) { + json := jsoniter.ConfigCompatibleWithStandardLibrary + return json.Marshal(source) +} + +// SetLoginSource sets the related LoginSource +func (source *Source) SetLoginSource(loginSource *models.LoginSource) { + source.loginSource = loginSource +} + +func init() { + models.RegisterLoginTypeConfig(models.LoginOAuth2, &Source{}) +} diff --git a/services/auth/source/oauth2/source_authenticate.go b/services/auth/source/oauth2/source_authenticate.go new file mode 100644 index 000000000..2e39f245d --- /dev/null +++ b/services/auth/source/oauth2/source_authenticate.go @@ -0,0 +1,15 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package oauth2 + +import ( + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/services/auth/source/db" +) + +// Authenticate falls back to the db authenticator +func (source *Source) Authenticate(user *models.User, login, password string) (*models.User, error) { + return db.Authenticate(user, login, password) +} diff --git a/services/auth/source/oauth2/source_callout.go b/services/auth/source/oauth2/source_callout.go new file mode 100644 index 000000000..8f4663f3b --- /dev/null +++ b/services/auth/source/oauth2/source_callout.go @@ -0,0 +1,42 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package oauth2 + +import ( + "net/http" + + "github.com/markbates/goth" + "github.com/markbates/goth/gothic" +) + +// Callout redirects request/response pair to authenticate against the provider +func (source *Source) Callout(request *http.Request, response http.ResponseWriter) error { + // not sure if goth is thread safe (?) when using multiple providers + request.Header.Set(ProviderHeaderKey, source.loginSource.Name) + + // don't use the default gothic begin handler to prevent issues when some error occurs + // normally the gothic library will write some custom stuff to the response instead of our own nice error page + //gothic.BeginAuthHandler(response, request) + + url, err := gothic.GetAuthURL(response, request) + if err == nil { + http.Redirect(response, request, url, http.StatusTemporaryRedirect) + } + return err +} + +// Callback handles OAuth callback, resolve to a goth user and send back to original url +// this will trigger a new authentication request, but because we save it in the session we can use that +func (source *Source) Callback(request *http.Request, response http.ResponseWriter) (goth.User, error) { + // not sure if goth is thread safe (?) when using multiple providers + request.Header.Set(ProviderHeaderKey, source.loginSource.Name) + + user, err := gothic.CompleteUserAuth(response, request) + if err != nil { + return user, err + } + + return user, nil +} diff --git a/services/auth/source/oauth2/source_register.go b/services/auth/source/oauth2/source_register.go new file mode 100644 index 000000000..b61cc3fe7 --- /dev/null +++ b/services/auth/source/oauth2/source_register.go @@ -0,0 +1,30 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package oauth2 + +import ( + "code.gitea.io/gitea/models" +) + +// RegisterSource causes an OAuth2 configuration to be registered +func (source *Source) RegisterSource() error { + err := RegisterProvider(source.loginSource.Name, source.Provider, source.ClientID, source.ClientSecret, source.OpenIDConnectAutoDiscoveryURL, source.CustomURLMapping) + return wrapOpenIDConnectInitializeError(err, source.loginSource.Name, source) +} + +// UnregisterSource causes an OAuth2 configuration to be unregistered +func (source *Source) UnregisterSource() error { + RemoveProvider(source.loginSource.Name) + return nil +} + +// wrapOpenIDConnectInitializeError is used to wrap the error but this cannot be done in modules/auth/oauth2 +// inside oauth2: import cycle not allowed models -> modules/auth/oauth2 -> models +func wrapOpenIDConnectInitializeError(err error, providerName string, source *Source) error { + if err != nil && source.Provider == "openidConnect" { + err = models.ErrOpenIDConnectInitialize{ProviderName: providerName, OpenIDConnectAutoDiscoveryURL: source.OpenIDConnectAutoDiscoveryURL, Cause: err} + } + return err +} diff --git a/services/auth/source/oauth2/token.go b/services/auth/source/oauth2/token.go new file mode 100644 index 000000000..0573a47e3 --- /dev/null +++ b/services/auth/source/oauth2/token.go @@ -0,0 +1,94 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package oauth2 + +import ( + "fmt" + "time" + + "code.gitea.io/gitea/modules/timeutil" + "github.com/dgrijalva/jwt-go" +) + +// ___________ __ +// \__ ___/___ | | __ ____ ____ +// | | / _ \| |/ // __ \ / \ +// | |( <_> ) <\ ___/| | \ +// |____| \____/|__|_ \\___ >___| / +// \/ \/ \/ + +// Token represents an Oauth grant + +// TokenType represents the type of token for an oauth application +type TokenType int + +const ( + // TypeAccessToken is a token with short lifetime to access the api + TypeAccessToken TokenType = 0 + // TypeRefreshToken is token with long lifetime to refresh access tokens obtained by the client + TypeRefreshToken = iota +) + +// Token represents a JWT token used to authenticate a client +type Token struct { + GrantID int64 `json:"gnt"` + Type TokenType `json:"tt"` + Counter int64 `json:"cnt,omitempty"` + jwt.StandardClaims +} + +// ParseToken parses a signed jwt string +func ParseToken(jwtToken string) (*Token, error) { + parsedToken, err := jwt.ParseWithClaims(jwtToken, &Token{}, func(token *jwt.Token) (interface{}, error) { + if token.Method == nil || token.Method.Alg() != DefaultSigningKey.SigningMethod().Alg() { + return nil, fmt.Errorf("unexpected signing algo: %v", token.Header["alg"]) + } + return DefaultSigningKey.VerifyKey(), nil + }) + if err != nil { + return nil, err + } + var token *Token + var ok bool + if token, ok = parsedToken.Claims.(*Token); !ok || !parsedToken.Valid { + return nil, fmt.Errorf("invalid token") + } + return token, nil +} + +// SignToken signs the token with the JWT secret +func (token *Token) SignToken() (string, error) { + token.IssuedAt = time.Now().Unix() + jwtToken := jwt.NewWithClaims(DefaultSigningKey.SigningMethod(), token) + DefaultSigningKey.PreProcessToken(jwtToken) + return jwtToken.SignedString(DefaultSigningKey.SignKey()) +} + +// OIDCToken represents an OpenID Connect id_token +type OIDCToken struct { + jwt.StandardClaims + Nonce string `json:"nonce,omitempty"` + + // Scope profile + Name string `json:"name,omitempty"` + PreferredUsername string `json:"preferred_username,omitempty"` + Profile string `json:"profile,omitempty"` + Picture string `json:"picture,omitempty"` + Website string `json:"website,omitempty"` + Locale string `json:"locale,omitempty"` + UpdatedAt timeutil.TimeStamp `json:"updated_at,omitempty"` + + // Scope email + Email string `json:"email,omitempty"` + EmailVerified bool `json:"email_verified,omitempty"` +} + +// SignToken signs an id_token with the (symmetric) client secret key +func (token *OIDCToken) SignToken(signingKey JWTSigningKey) (string, error) { + token.IssuedAt = time.Now().Unix() + jwtToken := jwt.NewWithClaims(signingKey.SigningMethod(), token) + signingKey.PreProcessToken(jwtToken) + return jwtToken.SignedString(signingKey.SignKey()) +} diff --git a/services/auth/source/oauth2/urlmapping.go b/services/auth/source/oauth2/urlmapping.go new file mode 100644 index 000000000..68829fba2 --- /dev/null +++ b/services/auth/source/oauth2/urlmapping.go @@ -0,0 +1,24 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package oauth2 + +// CustomURLMapping describes the urls values to use when customizing OAuth2 provider URLs +type CustomURLMapping struct { + AuthURL string + TokenURL string + ProfileURL string + EmailURL string +} + +// DefaultCustomURLMappings contains the map of default URL's for OAuth2 providers that are allowed to have custom urls +// key is used to map the OAuth2Provider +// value is the mapping as defined for the OAuth2Provider +var DefaultCustomURLMappings = map[string]*CustomURLMapping{ + "github": Providers["github"].CustomURLMapping, + "gitlab": Providers["gitlab"].CustomURLMapping, + "gitea": Providers["gitea"].CustomURLMapping, + "nextcloud": Providers["nextcloud"].CustomURLMapping, + "mastodon": Providers["mastodon"].CustomURLMapping, +} diff --git a/services/auth/source/pam/assert_interface_test.go b/services/auth/source/pam/assert_interface_test.go new file mode 100644 index 000000000..a0bebdf9c --- /dev/null +++ b/services/auth/source/pam/assert_interface_test.go @@ -0,0 +1,22 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package pam_test + +import ( + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/services/auth" + "code.gitea.io/gitea/services/auth/source/pam" +) + +// This test file exists to assert that our Source exposes the interfaces that we expect +// It tightly binds the interfaces and implementation without breaking go import cycles + +type sourceInterface interface { + auth.PasswordAuthenticator + models.LoginConfig + models.LoginSourceSettable +} + +var _ (sourceInterface) = &pam.Source{} diff --git a/services/auth/source/pam/source.go b/services/auth/source/pam/source.go new file mode 100644 index 000000000..b717ee6fe --- /dev/null +++ b/services/auth/source/pam/source.go @@ -0,0 +1,47 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package pam + +import ( + "code.gitea.io/gitea/models" + + jsoniter "github.com/json-iterator/go" +) + +// __________ _____ _____ +// \______ \/ _ \ / \ +// | ___/ /_\ \ / \ / \ +// | | / | \/ Y \ +// |____| \____|__ /\____|__ / +// \/ \/ + +// Source holds configuration for the PAM login source. +type Source struct { + ServiceName string // pam service (e.g. system-auth) + EmailDomain string + + // reference to the loginSource + loginSource *models.LoginSource +} + +// FromDB fills up a PAMConfig from serialized format. +func (source *Source) FromDB(bs []byte) error { + return models.JSONUnmarshalHandleDoubleEncode(bs, &source) +} + +// ToDB exports a PAMConfig to a serialized format. +func (source *Source) ToDB() ([]byte, error) { + json := jsoniter.ConfigCompatibleWithStandardLibrary + return json.Marshal(source) +} + +// SetLoginSource sets the related LoginSource +func (source *Source) SetLoginSource(loginSource *models.LoginSource) { + source.loginSource = loginSource +} + +func init() { + models.RegisterLoginTypeConfig(models.LoginPAM, &Source{}) +} diff --git a/services/auth/source/pam/source_authenticate.go b/services/auth/source/pam/source_authenticate.go new file mode 100644 index 000000000..6ca064290 --- /dev/null +++ b/services/auth/source/pam/source_authenticate.go @@ -0,0 +1,62 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package pam + +import ( + "fmt" + "strings" + + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/modules/auth/pam" + "code.gitea.io/gitea/modules/setting" + + "github.com/google/uuid" +) + +// Authenticate queries if login/password is valid against the PAM, +// and create a local user if success when enabled. +func (source *Source) Authenticate(user *models.User, login, password string) (*models.User, error) { + pamLogin, err := pam.Auth(source.ServiceName, login, password) + if err != nil { + if strings.Contains(err.Error(), "Authentication failure") { + return nil, models.ErrUserNotExist{Name: login} + } + return nil, err + } + + if user != nil { + return user, nil + } + + // Allow PAM sources with `@` in their name, like from Active Directory + username := pamLogin + email := pamLogin + idx := strings.Index(pamLogin, "@") + if idx > -1 { + username = pamLogin[:idx] + } + if models.ValidateEmail(email) != nil { + if source.EmailDomain != "" { + email = fmt.Sprintf("%s@%s", username, source.EmailDomain) + } else { + email = fmt.Sprintf("%s@%s", username, setting.Service.NoReplyAddress) + } + if models.ValidateEmail(email) != nil { + email = uuid.New().String() + "@localhost" + } + } + + user = &models.User{ + LowerName: strings.ToLower(username), + Name: username, + Email: email, + Passwd: password, + LoginType: models.LoginPAM, + LoginSource: source.loginSource.ID, + LoginName: login, // This is what the user typed in + IsActive: true, + } + return user, models.CreateUser(user) +} diff --git a/services/auth/source/smtp/assert_interface_test.go b/services/auth/source/smtp/assert_interface_test.go new file mode 100644 index 000000000..bc2042e06 --- /dev/null +++ b/services/auth/source/smtp/assert_interface_test.go @@ -0,0 +1,25 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package smtp_test + +import ( + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/services/auth" + "code.gitea.io/gitea/services/auth/source/smtp" +) + +// This test file exists to assert that our Source exposes the interfaces that we expect +// It tightly binds the interfaces and implementation without breaking go import cycles + +type sourceInterface interface { + auth.PasswordAuthenticator + models.LoginConfig + models.SkipVerifiable + models.HasTLSer + models.UseTLSer + models.LoginSourceSettable +} + +var _ (sourceInterface) = &smtp.Source{} diff --git a/services/auth/source/smtp/auth.go b/services/auth/source/smtp/auth.go new file mode 100644 index 000000000..8edf4fca1 --- /dev/null +++ b/services/auth/source/smtp/auth.go @@ -0,0 +1,81 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package smtp + +import ( + "crypto/tls" + "errors" + "fmt" + "net/smtp" + + "code.gitea.io/gitea/models" +) + +// _________ __________________________ +// / _____/ / \__ ___/\______ \ +// \_____ \ / \ / \| | | ___/ +// / \/ Y \ | | | +// /_______ /\____|__ /____| |____| +// \/ \/ + +type loginAuthenticator struct { + username, password string +} + +func (auth *loginAuthenticator) Start(server *smtp.ServerInfo) (string, []byte, error) { + return "LOGIN", []byte(auth.username), nil +} + +func (auth *loginAuthenticator) Next(fromServer []byte, more bool) ([]byte, error) { + if more { + switch string(fromServer) { + case "Username:": + return []byte(auth.username), nil + case "Password:": + return []byte(auth.password), nil + } + } + return nil, nil +} + +// SMTP authentication type names. +const ( + PlainAuthentication = "PLAIN" + LoginAuthentication = "LOGIN" +) + +// Authenticators contains available SMTP authentication type names. +var Authenticators = []string{PlainAuthentication, LoginAuthentication} + +// Authenticate performs an SMTP authentication. +func Authenticate(a smtp.Auth, source *Source) error { + c, err := smtp.Dial(fmt.Sprintf("%s:%d", source.Host, source.Port)) + if err != nil { + return err + } + defer c.Close() + + if err = c.Hello("gogs"); err != nil { + return err + } + + if source.TLS { + if ok, _ := c.Extension("STARTTLS"); ok { + if err = c.StartTLS(&tls.Config{ + InsecureSkipVerify: source.SkipVerify, + ServerName: source.Host, + }); err != nil { + return err + } + } else { + return errors.New("SMTP server unsupports TLS") + } + } + + if ok, _ := c.Extension("AUTH"); ok { + return c.Auth(a) + } + return models.ErrUnsupportedLoginType +} diff --git a/services/auth/source/smtp/source.go b/services/auth/source/smtp/source.go new file mode 100644 index 000000000..0f948d538 --- /dev/null +++ b/services/auth/source/smtp/source.go @@ -0,0 +1,66 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package smtp + +import ( + "code.gitea.io/gitea/models" + + jsoniter "github.com/json-iterator/go" +) + +// _________ __________________________ +// / _____/ / \__ ___/\______ \ +// \_____ \ / \ / \| | | ___/ +// / \/ Y \ | | | +// /_______ /\____|__ /____| |____| +// \/ \/ + +// Source holds configuration for the SMTP login source. +type Source struct { + Auth string + Host string + Port int + AllowedDomains string `xorm:"TEXT"` + TLS bool + SkipVerify bool + + // reference to the loginSource + loginSource *models.LoginSource +} + +// FromDB fills up an SMTPConfig from serialized format. +func (source *Source) FromDB(bs []byte) error { + return models.JSONUnmarshalHandleDoubleEncode(bs, &source) +} + +// ToDB exports an SMTPConfig to a serialized format. +func (source *Source) ToDB() ([]byte, error) { + json := jsoniter.ConfigCompatibleWithStandardLibrary + return json.Marshal(source) +} + +// IsSkipVerify returns if SkipVerify is set +func (source *Source) IsSkipVerify() bool { + return source.SkipVerify +} + +// HasTLS returns true for SMTP +func (source *Source) HasTLS() bool { + return true +} + +// UseTLS returns if TLS is set +func (source *Source) UseTLS() bool { + return source.TLS +} + +// SetLoginSource sets the related LoginSource +func (source *Source) SetLoginSource(loginSource *models.LoginSource) { + source.loginSource = loginSource +} + +func init() { + models.RegisterLoginTypeConfig(models.LoginSMTP, &Source{}) +} diff --git a/services/auth/source/smtp/source_authenticate.go b/services/auth/source/smtp/source_authenticate.go new file mode 100644 index 000000000..9bab86604 --- /dev/null +++ b/services/auth/source/smtp/source_authenticate.go @@ -0,0 +1,71 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package smtp + +import ( + "errors" + "net/smtp" + "net/textproto" + "strings" + + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/modules/util" +) + +// Authenticate queries if the provided login/password is authenticates against the SMTP server +// Users will be autoregistered as required +func (source *Source) Authenticate(user *models.User, login, password string) (*models.User, error) { + // Verify allowed domains. + if len(source.AllowedDomains) > 0 { + idx := strings.Index(login, "@") + if idx == -1 { + return nil, models.ErrUserNotExist{Name: login} + } else if !util.IsStringInSlice(login[idx+1:], strings.Split(source.AllowedDomains, ","), true) { + return nil, models.ErrUserNotExist{Name: login} + } + } + + var auth smtp.Auth + if source.Auth == PlainAuthentication { + auth = smtp.PlainAuth("", login, password, source.Host) + } else if source.Auth == LoginAuthentication { + auth = &loginAuthenticator{login, password} + } else { + return nil, errors.New("Unsupported SMTP auth type") + } + + if err := Authenticate(auth, source); err != nil { + // Check standard error format first, + // then fallback to worse case. + tperr, ok := err.(*textproto.Error) + if (ok && tperr.Code == 535) || + strings.Contains(err.Error(), "Username and Password not accepted") { + return nil, models.ErrUserNotExist{Name: login} + } + return nil, err + } + + if user != nil { + return user, nil + } + + username := login + idx := strings.Index(login, "@") + if idx > -1 { + username = login[:idx] + } + + user = &models.User{ + LowerName: strings.ToLower(username), + Name: strings.ToLower(username), + Email: login, + Passwd: password, + LoginType: models.LoginSMTP, + LoginSource: source.loginSource.ID, + LoginName: login, + IsActive: true, + } + return user, models.CreateUser(user) +} diff --git a/services/auth/source/sspi/assert_interface_test.go b/services/auth/source/sspi/assert_interface_test.go new file mode 100644 index 000000000..605a6ec6c --- /dev/null +++ b/services/auth/source/sspi/assert_interface_test.go @@ -0,0 +1,19 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package sspi_test + +import ( + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/services/auth/source/sspi" +) + +// This test file exists to assert that our Source exposes the interfaces that we expect +// It tightly binds the interfaces and implementation without breaking go import cycles + +type sourceInterface interface { + models.LoginConfig +} + +var _ (sourceInterface) = &sspi.Source{} diff --git a/services/auth/source/sspi/source.go b/services/auth/source/sspi/source.go new file mode 100644 index 000000000..e4be446f3 --- /dev/null +++ b/services/auth/source/sspi/source.go @@ -0,0 +1,41 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package sspi + +import ( + "code.gitea.io/gitea/models" + jsoniter "github.com/json-iterator/go" +) + +// _________ ___________________.___ +// / _____// _____/\______ \ | +// \_____ \ \_____ \ | ___/ | +// / \/ \ | | | | +// /_______ /_______ / |____| |___| +// \/ \/ + +// Source holds configuration for SSPI single sign-on. +type Source struct { + AutoCreateUsers bool + AutoActivateUsers bool + StripDomainNames bool + SeparatorReplacement string + DefaultLanguage string +} + +// FromDB fills up an SSPIConfig from serialized format. +func (cfg *Source) FromDB(bs []byte) error { + return models.JSONUnmarshalHandleDoubleEncode(bs, &cfg) +} + +// ToDB exports an SSPIConfig to a serialized format. +func (cfg *Source) ToDB() ([]byte, error) { + json := jsoniter.ConfigCompatibleWithStandardLibrary + return json.Marshal(cfg) +} + +func init() { + models.RegisterLoginTypeConfig(models.LoginSSPI, &Source{}) +} diff --git a/services/auth/sspi_windows.go b/services/auth/sspi_windows.go index bb0291d2c..8420d4307 100644 --- a/services/auth/sspi_windows.go +++ b/services/auth/sspi_windows.go @@ -15,6 +15,7 @@ import ( "code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/templates" "code.gitea.io/gitea/modules/web/middleware" + "code.gitea.io/gitea/services/auth/source/sspi" gouuid "github.com/google/uuid" "github.com/quasoft/websspi" @@ -32,7 +33,10 @@ var ( sspiAuth *websspi.Authenticator // Ensure the struct implements the interface. - _ Auth = &SSPI{} + _ Method = &SSPI{} + _ Named = &SSPI{} + _ Initializable = &SSPI{} + _ Freeable = &SSPI{} ) // SSPI implements the SingleSignOn interface and authenticates requests @@ -146,7 +150,7 @@ func (s *SSPI) Verify(req *http.Request, w http.ResponseWriter, store DataStore, } // getConfig retrieves the SSPI configuration from login sources -func (s *SSPI) getConfig() (*models.SSPIConfig, error) { +func (s *SSPI) getConfig() (*sspi.Source, error) { sources, err := models.ActiveLoginSources(models.LoginSSPI) if err != nil { return nil, err @@ -157,7 +161,7 @@ func (s *SSPI) getConfig() (*models.SSPIConfig, error) { if len(sources) > 1 { return nil, errors.New("more than one active login source of type SSPI found") } - return sources[0].SSPI(), nil + return sources[0].Cfg.(*sspi.Source), nil } func (s *SSPI) shouldAuthenticate(req *http.Request) (shouldAuth bool) { @@ -177,7 +181,7 @@ func (s *SSPI) shouldAuthenticate(req *http.Request) (shouldAuth bool) { // newUser creates a new user object for the purpose of automatic registration // and populates its name and email with the information present in request headers. -func (s *SSPI) newUser(username string, cfg *models.SSPIConfig) (*models.User, error) { +func (s *SSPI) newUser(username string, cfg *sspi.Source) (*models.User, error) { email := gouuid.New().String() + "@localhost.localdomain" user := &models.User{ Name: username, @@ -214,7 +218,7 @@ func stripDomainNames(username string) string { return username } -func replaceSeparators(username string, cfg *models.SSPIConfig) string { +func replaceSeparators(username string, cfg *sspi.Source) string { newSep := cfg.SeparatorReplacement username = strings.ReplaceAll(username, "\\", newSep) username = strings.ReplaceAll(username, "/", newSep) @@ -222,7 +226,7 @@ func replaceSeparators(username string, cfg *models.SSPIConfig) string { return username } -func sanitizeUsername(username string, cfg *models.SSPIConfig) string { +func sanitizeUsername(username string, cfg *sspi.Source) string { if len(username) == 0 { return "" } diff --git a/services/auth/sync.go b/services/auth/sync.go new file mode 100644 index 000000000..a34b4d1d2 --- /dev/null +++ b/services/auth/sync.go @@ -0,0 +1,43 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package auth + +import ( + "context" + + "code.gitea.io/gitea/models" + "code.gitea.io/gitea/modules/log" +) + +// SyncExternalUsers is used to synchronize users with external authorization source +func SyncExternalUsers(ctx context.Context, updateExisting bool) error { + log.Trace("Doing: SyncExternalUsers") + + ls, err := models.LoginSources() + if err != nil { + log.Error("SyncExternalUsers: %v", err) + return err + } + + for _, s := range ls { + if !s.IsActive || !s.IsSyncEnabled { + continue + } + select { + case <-ctx.Done(): + log.Warn("SyncExternalUsers: Cancelled before update of %s", s.Name) + return models.ErrCancelledf("Before update of %s", s.Name) + default: + } + + if syncable, ok := s.Cfg.(SynchronizableSource); ok { + err := syncable.Sync(ctx, updateExisting) + if err != nil { + return err + } + } + } + return nil +} diff --git a/templates/admin/auth/edit.tmpl b/templates/admin/auth/edit.tmpl index d825cd7d1..3fbfedefe 100644 --- a/templates/admin/auth/edit.tmpl +++ b/templates/admin/auth/edit.tmpl @@ -22,7 +22,7 @@ {{if or .Source.IsLDAP .Source.IsDLDAP}} - {{ $cfg:=.Source.LDAP }} + {{ $cfg:=.Source.Cfg }}
@@ -151,7 +151,7 @@ {{if .Source.IsSMTP}} - {{ $cfg:=.Source.SMTP }} + {{ $cfg:=.Source.Cfg }}
@@ -182,7 +182,7 @@ {{if .Source.IsPAM}} - {{ $cfg:=.Source.PAM }} + {{ $cfg:=.Source.Cfg }}
@@ -195,7 +195,7 @@ {{if .Source.IsOAuth2}} - {{ $cfg:=.Source.OAuth2 }} + {{ $cfg:=.Source.Cfg }}
@@ -258,7 +258,7 @@ {{if .Source.IsSSPI}} - {{ $cfg:=.Source.SSPI }} + {{ $cfg:=.Source.Cfg }}
@@ -325,7 +325,7 @@
- +
diff --git a/templates/admin/auth/list.tmpl b/templates/admin/auth/list.tmpl index d5d8aadb5..35ab97602 100644 --- a/templates/admin/auth/list.tmpl +++ b/templates/admin/auth/list.tmpl @@ -28,7 +28,7 @@ {{.ID}} {{.Name}} {{.TypeName}} - {{if .IsActived}}{{svg "octicon-check"}}{{else}}{{svg "octicon-x"}}{{end}} + {{if .IsActive}}{{svg "octicon-check"}}{{else}}{{svg "octicon-x"}}{{end}} {{.UpdatedUnix.FormatShort}} {{.CreatedUnix.FormatShort}} {{svg "octicon-pencil"}} diff --git a/templates/user/settings/security_accountlinks.tmpl b/templates/user/settings/security_accountlinks.tmpl index 9c2436dd3..5aa928208 100644 --- a/templates/user/settings/security_accountlinks.tmpl +++ b/templates/user/settings/security_accountlinks.tmpl @@ -16,7 +16,7 @@
{{$provider}} - {{if $loginSource.IsActived}}{{$.i18n.Tr "settings.active"}}{{end}} + {{if $loginSource.IsActive}}{{$.i18n.Tr "settings.active"}}{{end}}
{{end}}