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gitea/models/gpg_key.go

919 lines
26 KiB

// Copyright 2017 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 (
"bytes"
"container/list"
"crypto"
"encoding/base64"
"fmt"
"hash"
"io"
"strings"
"time"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
"github.com/keybase/go-crypto/openpgp"
"github.com/keybase/go-crypto/openpgp/armor"
"github.com/keybase/go-crypto/openpgp/packet"
"xorm.io/xorm"
)
// GPGKey represents a GPG key.
type GPGKey struct {
ID int64 `xorm:"pk autoincr"`
OwnerID int64 `xorm:"INDEX NOT NULL"`
KeyID string `xorm:"INDEX CHAR(16) NOT NULL"`
PrimaryKeyID string `xorm:"CHAR(16)"`
Content string `xorm:"TEXT NOT NULL"`
CreatedUnix timeutil.TimeStamp `xorm:"created"`
ExpiredUnix timeutil.TimeStamp
AddedUnix timeutil.TimeStamp
SubsKey []*GPGKey `xorm:"-"`
Emails []*EmailAddress
CanSign bool
CanEncryptComms bool
CanEncryptStorage bool
CanCertify bool
}
//GPGKeyImport the original import of key
type GPGKeyImport struct {
KeyID string `xorm:"pk CHAR(16) NOT NULL"`
Content string `xorm:"TEXT NOT NULL"`
}
// BeforeInsert will be invoked by XORM before inserting a record
func (key *GPGKey) BeforeInsert() {
key.AddedUnix = timeutil.TimeStampNow()
}
// AfterLoad is invoked from XORM after setting the values of all fields of this object.
func (key *GPGKey) AfterLoad(session *xorm.Session) {
err := session.Where("primary_key_id=?", key.KeyID).Find(&key.SubsKey)
if err != nil {
Better logging (#6038) (#6095) * Panic don't fatal on create new logger Fixes #5854 Signed-off-by: Andrew Thornton <art27@cantab.net> * partial broken * Update the logging infrastrcture Signed-off-by: Andrew Thornton <art27@cantab.net> * Reset the skip levels for Fatal and Error Signed-off-by: Andrew Thornton <art27@cantab.net> * broken ncsa * More log.Error fixes Signed-off-by: Andrew Thornton <art27@cantab.net> * Remove nal * set log-levels to lowercase * Make console_test test all levels * switch to lowercased levels * OK now working * Fix vetting issues * Fix lint * Fix tests * change default logging to match current gitea * Improve log testing Signed-off-by: Andrew Thornton <art27@cantab.net> * reset error skip levels to 0 * Update documentation and access logger configuration * Redirect the router log back to gitea if redirect macaron log but also allow setting the log level - i.e. TRACE * Fix broken level caching * Refactor the router log * Add Router logger * Add colorizing options * Adjust router colors * Only create logger if they will be used * update app.ini.sample * rename Attribute ColorAttribute * Change from white to green for function * Set fatal/error levels * Restore initial trace logger * Fix Trace arguments in modules/auth/auth.go * Properly handle XORMLogger * Improve admin/config page * fix fmt * Add auto-compression of old logs * Update error log levels * Remove the unnecessary skip argument from Error, Fatal and Critical * Add stacktrace support * Fix tests * Remove x/sync from vendors? * Add stderr option to console logger * Use filepath.ToSlash to protect against Windows in tests * Remove prefixed underscores from names in colors.go * Remove not implemented database logger This was removed from Gogs on 4 Mar 2016 but left in the configuration since then. * Ensure that log paths are relative to ROOT_PATH * use path.Join * rename jsonConfig to logConfig * Rename "config" to "jsonConfig" to make it clearer * Requested changes * Requested changes: XormLogger * Try to color the windows terminal If successful default to colorizing the console logs * fixup * Colorize initially too * update vendor * Colorize logs on default and remove if this is not a colorizing logger * Fix documentation * fix test * Use go-isatty to detect if on windows we are on msys or cygwin * Fix spelling mistake * Add missing vendors * More changes * Rationalise the ANSI writer protection * Adjust colors on advice from @0x5c * Make Flags a comma separated list * Move to use the windows constant for ENABLE_VIRTUAL_TERMINAL_PROCESSING * Ensure matching is done on the non-colored message - to simpify EXPRESSION
6 years ago
log.Error("Find Sub GPGkeys[%s]: %v", key.KeyID, err)
}
}
// ListGPGKeys returns a list of public keys belongs to given user.
API add/generalize pagination (#9452) * paginate results * fixed deadlock * prevented breaking change * updated swagger * go fmt * fixed find topic * go mod tidy * go mod vendor with go1.13.5 * fixed repo find topics * fixed unit test * added Limit method to Engine struct; use engine variable when provided; fixed gitignore * use ItemsPerPage for default pagesize; fix GetWatchers, getOrgUsersByOrgID and GetStargazers; fix GetAllCommits headers; reverted some changed behaviors * set Page value on Home route * improved memory allocations * fixed response headers * removed logfiles * fixed import order * import order * improved swagger * added function to get models.ListOptions from context * removed pagesize diff on unit test * fixed imports * removed unnecessary struct field * fixed go fmt * scoped PR * code improvements * code improvements * go mod tidy * fixed import order * fixed commit statuses session * fixed files headers * fixed headers; added pagination for notifications * go mod tidy * go fmt * removed Private from user search options; added setting.UI.IssuePagingNum as default valeu on repo's issues list * Apply suggestions from code review Co-Authored-By: 6543 <6543@obermui.de> Co-Authored-By: zeripath <art27@cantab.net> * fixed build error * CI.restart() * fixed merge conflicts resolve * fixed conflicts resolve * improved FindTrackedTimesOptions.ToOptions() method * added backwards compatibility on ListReleases request; fixed issue tracked time ToSession * fixed build error; fixed swagger template * fixed swagger template * fixed ListReleases backwards compatibility * added page to user search route Co-authored-by: techknowlogick <matti@mdranta.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: zeripath <art27@cantab.net>
5 years ago
func ListGPGKeys(uid int64, listOptions ListOptions) ([]*GPGKey, error) {
sess := x.Where("owner_id=? AND primary_key_id=''", uid)
if listOptions.Page != 0 {
sess = listOptions.setSessionPagination(sess)
}
keys := make([]*GPGKey, 0, 2)
return keys, sess.Find(&keys)
}
// GetGPGKeyByID returns public key by given ID.
func GetGPGKeyByID(keyID int64) (*GPGKey, error) {
key := new(GPGKey)
has, err := x.ID(keyID).Get(key)
if err != nil {
return nil, err
} else if !has {
return nil, ErrGPGKeyNotExist{keyID}
}
return key, nil
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
// GetGPGKeysByKeyID returns public key by given ID.
func GetGPGKeysByKeyID(keyID string) ([]*GPGKey, error) {
keys := make([]*GPGKey, 0, 1)
return keys, x.Where("key_id=?", keyID).Find(&keys)
}
// GetGPGImportByKeyID returns the import public armored key by given KeyID.
func GetGPGImportByKeyID(keyID string) (*GPGKeyImport, error) {
key := new(GPGKeyImport)
has, err := x.ID(keyID).Get(key)
if err != nil {
return nil, err
} else if !has {
return nil, ErrGPGKeyImportNotExist{keyID}
}
return key, nil
}
// checkArmoredGPGKeyString checks if the given key string is a valid GPG armored key.
// The function returns the actual public key on success
func checkArmoredGPGKeyString(content string) (openpgp.EntityList, error) {
list, err := openpgp.ReadArmoredKeyRing(strings.NewReader(content))
if err != nil {
return nil, ErrGPGKeyParsing{err}
}
return list, nil
}
//addGPGKey add key, import and subkeys to database
func addGPGKey(e Engine, key *GPGKey, content string) (err error) {
//Add GPGKeyImport
if _, err = e.Insert(GPGKeyImport{
KeyID: key.KeyID,
Content: content,
}); err != nil {
return err
}
// Save GPG primary key.
if _, err = e.Insert(key); err != nil {
return err
}
// Save GPG subs key.
for _, subkey := range key.SubsKey {
if err := addGPGSubKey(e, subkey); err != nil {
return err
}
}
return nil
}
//addGPGSubKey add subkeys to database
func addGPGSubKey(e Engine, key *GPGKey) (err error) {
// Save GPG primary key.
if _, err = e.Insert(key); err != nil {
return err
}
// Save GPG subs key.
for _, subkey := range key.SubsKey {
if err := addGPGSubKey(e, subkey); err != nil {
return err
}
}
return nil
}
// AddGPGKey adds new public key to database.
func AddGPGKey(ownerID int64, content string) ([]*GPGKey, error) {
ekeys, err := checkArmoredGPGKeyString(content)
if err != nil {
return nil, err
}
sess := x.NewSession()
defer sess.Close()
if err = sess.Begin(); err != nil {
return nil, err
}
keys := make([]*GPGKey, 0, len(ekeys))
for _, ekey := range ekeys {
// Key ID cannot be duplicated.
has, err := sess.Where("key_id=?", ekey.PrimaryKey.KeyIdString()).
Get(new(GPGKey))
if err != nil {
return nil, err
} else if has {
return nil, ErrGPGKeyIDAlreadyUsed{ekey.PrimaryKey.KeyIdString()}
}
//Get DB session
key, err := parseGPGKey(ownerID, ekey)
if err != nil {
return nil, err
}
if err = addGPGKey(sess, key, content); err != nil {
return nil, err
}
keys = append(keys, key)
}
return keys, sess.Commit()
}
//base64EncPubKey encode public key content to base 64
func base64EncPubKey(pubkey *packet.PublicKey) (string, error) {
var w bytes.Buffer
err := pubkey.Serialize(&w)
if err != nil {
return "", err
}
return base64.StdEncoding.EncodeToString(w.Bytes()), nil
}
//base64DecPubKey decode public key content from base 64
func base64DecPubKey(content string) (*packet.PublicKey, error) {
b, err := readerFromBase64(content)
if err != nil {
return nil, err
}
//Read key
p, err := packet.Read(b)
if err != nil {
return nil, err
}
//Check type
pkey, ok := p.(*packet.PublicKey)
if !ok {
return nil, fmt.Errorf("key is not a public key")
}
return pkey, nil
}
//GPGKeyToEntity retrieve the imported key and the traducted entity
func GPGKeyToEntity(k *GPGKey) (*openpgp.Entity, error) {
impKey, err := GetGPGImportByKeyID(k.KeyID)
if err != nil {
return nil, err
}
keys, err := checkArmoredGPGKeyString(impKey.Content)
if err != nil {
return nil, err
}
return keys[0], err
}
//parseSubGPGKey parse a sub Key
func parseSubGPGKey(ownerID int64, primaryID string, pubkey *packet.PublicKey, expiry time.Time) (*GPGKey, error) {
content, err := base64EncPubKey(pubkey)
if err != nil {
return nil, err
}
return &GPGKey{
OwnerID: ownerID,
KeyID: pubkey.KeyIdString(),
PrimaryKeyID: primaryID,
Content: content,
CreatedUnix: timeutil.TimeStamp(pubkey.CreationTime.Unix()),
ExpiredUnix: timeutil.TimeStamp(expiry.Unix()),
CanSign: pubkey.CanSign(),
CanEncryptComms: pubkey.PubKeyAlgo.CanEncrypt(),
CanEncryptStorage: pubkey.PubKeyAlgo.CanEncrypt(),
CanCertify: pubkey.PubKeyAlgo.CanSign(),
}, nil
}
//getExpiryTime extract the expire time of primary key based on sig
func getExpiryTime(e *openpgp.Entity) time.Time {
expiry := time.Time{}
//Extract self-sign for expire date based on : https://github.com/golang/crypto/blob/master/openpgp/keys.go#L165
var selfSig *packet.Signature
for _, ident := range e.Identities {
if selfSig == nil {
selfSig = ident.SelfSignature
} else if ident.SelfSignature.IsPrimaryId != nil && *ident.SelfSignature.IsPrimaryId {
selfSig = ident.SelfSignature
break
}
}
if selfSig.KeyLifetimeSecs != nil {
expiry = e.PrimaryKey.CreationTime.Add(time.Duration(*selfSig.KeyLifetimeSecs) * time.Second)
}
return expiry
}
//parseGPGKey parse a PrimaryKey entity (primary key + subs keys + self-signature)
func parseGPGKey(ownerID int64, e *openpgp.Entity) (*GPGKey, error) {
pubkey := e.PrimaryKey
expiry := getExpiryTime(e)
//Parse Subkeys
subkeys := make([]*GPGKey, len(e.Subkeys))
for i, k := range e.Subkeys {
subs, err := parseSubGPGKey(ownerID, pubkey.KeyIdString(), k.PublicKey, expiry)
if err != nil {
return nil, ErrGPGKeyParsing{ParseError: err}
}
subkeys[i] = subs
}
//Check emails
userEmails, err := GetEmailAddresses(ownerID)
if err != nil {
return nil, err
}
emails := make([]*EmailAddress, 0, len(e.Identities))
for _, ident := range e.Identities {
if ident.Revocation != nil {
continue
}
email := strings.ToLower(strings.TrimSpace(ident.UserId.Email))
for _, e := range userEmails {
if e.Email == email {
emails = append(emails, e)
break
}
}
}
//In the case no email as been found
if len(emails) == 0 {
failedEmails := make([]string, 0, len(e.Identities))
for _, ident := range e.Identities {
failedEmails = append(failedEmails, ident.UserId.Email)
}
return nil, ErrGPGNoEmailFound{failedEmails}
}
content, err := base64EncPubKey(pubkey)
if err != nil {
return nil, err
}
return &GPGKey{
OwnerID: ownerID,
KeyID: pubkey.KeyIdString(),
PrimaryKeyID: "",
Content: content,
CreatedUnix: timeutil.TimeStamp(pubkey.CreationTime.Unix()),
ExpiredUnix: timeutil.TimeStamp(expiry.Unix()),
Emails: emails,
SubsKey: subkeys,
CanSign: pubkey.CanSign(),
CanEncryptComms: pubkey.PubKeyAlgo.CanEncrypt(),
CanEncryptStorage: pubkey.PubKeyAlgo.CanEncrypt(),
CanCertify: pubkey.PubKeyAlgo.CanSign(),
}, nil
}
// deleteGPGKey does the actual key deletion
func deleteGPGKey(e *xorm.Session, keyID string) (int64, error) {
if keyID == "" {
return 0, fmt.Errorf("empty KeyId forbidden") //Should never happen but just to be sure
}
//Delete imported key
n, err := e.Where("key_id=?", keyID).Delete(new(GPGKeyImport))
if err != nil {
return n, err
}
return e.Where("key_id=?", keyID).Or("primary_key_id=?", keyID).Delete(new(GPGKey))
}
// DeleteGPGKey deletes GPG key information in database.
func DeleteGPGKey(doer *User, id int64) (err error) {
key, err := GetGPGKeyByID(id)
if err != nil {
if IsErrGPGKeyNotExist(err) {
return nil
}
return fmt.Errorf("GetPublicKeyByID: %v", err)
}
// Check if user has access to delete this key.
if !doer.IsAdmin && doer.ID != key.OwnerID {
return ErrGPGKeyAccessDenied{doer.ID, key.ID}
}
sess := x.NewSession()
defer sess.Close()
if err = sess.Begin(); err != nil {
return err
}
if _, err = deleteGPGKey(sess, key.KeyID); err != nil {
return err
}
return sess.Commit()
}
// CommitVerification represents a commit validation of signature
type CommitVerification struct {
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
Verified bool
Warning bool
Reason string
SigningUser *User
CommittingUser *User
SigningEmail string
SigningKey *GPGKey
TrustStatus string
}
// SignCommit represents a commit with validation of signature.
type SignCommit struct {
Verification *CommitVerification
*UserCommit
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
const (
// BadSignature is used as the reason when the signature has a KeyID that is in the db
// but no key that has that ID verifies the signature. This is a suspicious failure.
BadSignature = "gpg.error.probable_bad_signature"
// BadDefaultSignature is used as the reason when the signature has a KeyID that matches the
// default Key but is not verified by the default key. This is a suspicious failure.
BadDefaultSignature = "gpg.error.probable_bad_default_signature"
// NoKeyFound is used as the reason when no key can be found to verify the signature.
NoKeyFound = "gpg.error.no_gpg_keys_found"
)
func readerFromBase64(s string) (io.Reader, error) {
bs, err := base64.StdEncoding.DecodeString(s)
if err != nil {
return nil, err
}
return bytes.NewBuffer(bs), nil
}
func populateHash(hashFunc crypto.Hash, msg []byte) (hash.Hash, error) {
h := hashFunc.New()
if _, err := h.Write(msg); err != nil {
return nil, err
}
return h, nil
}
// readArmoredSign read an armored signature block with the given type. https://sourcegraph.com/github.com/golang/crypto/-/blob/openpgp/read.go#L24:6-24:17
func readArmoredSign(r io.Reader) (body io.Reader, err error) {
block, err := armor.Decode(r)
if err != nil {
return
}
if block.Type != openpgp.SignatureType {
return nil, fmt.Errorf("expected '" + openpgp.SignatureType + "', got: " + block.Type)
}
return block.Body, nil
}
func extractSignature(s string) (*packet.Signature, error) {
r, err := readArmoredSign(strings.NewReader(s))
if err != nil {
return nil, fmt.Errorf("Failed to read signature armor")
}
p, err := packet.Read(r)
if err != nil {
return nil, fmt.Errorf("Failed to read signature packet")
}
sig, ok := p.(*packet.Signature)
if !ok {
return nil, fmt.Errorf("Packet is not a signature")
}
return sig, nil
}
func verifySign(s *packet.Signature, h hash.Hash, k *GPGKey) error {
//Check if key can sign
if !k.CanSign {
return fmt.Errorf("key can not sign")
}
//Decode key
pkey, err := base64DecPubKey(k.Content)
if err != nil {
return err
}
return pkey.VerifySignature(h, s)
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
func hashAndVerify(sig *packet.Signature, payload string, k *GPGKey, committer, signer *User, email string) *CommitVerification {
//Generating hash of commit
hash, err := populateHash(sig.Hash, []byte(payload))
if err != nil { //Skipping failed to generate hash
log.Error("PopulateHash: %v", err)
return &CommitVerification{
CommittingUser: committer,
Verified: false,
Reason: "gpg.error.generate_hash",
}
}
if err := verifySign(sig, hash, k); err == nil {
return &CommitVerification{ //Everything is ok
CommittingUser: committer,
Verified: true,
Reason: fmt.Sprintf("%s / %s", signer.Name, k.KeyID),
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
SigningUser: signer,
SigningKey: k,
SigningEmail: email,
}
}
return nil
}
func hashAndVerifyWithSubKeys(sig *packet.Signature, payload string, k *GPGKey, committer, signer *User, email string) *CommitVerification {
commitVerification := hashAndVerify(sig, payload, k, committer, signer, email)
if commitVerification != nil {
return commitVerification
}
//And test also SubsKey
for _, sk := range k.SubsKey {
commitVerification := hashAndVerify(sig, payload, sk, committer, signer, email)
if commitVerification != nil {
return commitVerification
}
}
return nil
}
func hashAndVerifyForKeyID(sig *packet.Signature, payload string, committer *User, keyID, name, email string) *CommitVerification {
if keyID == "" {
return nil
}
keys, err := GetGPGKeysByKeyID(keyID)
if err != nil {
log.Error("GetGPGKeysByKeyID: %v", err)
return &CommitVerification{
CommittingUser: committer,
Verified: false,
Reason: "gpg.error.failed_retrieval_gpg_keys",
}
}
if len(keys) == 0 {
return nil
}
for _, key := range keys {
var primaryKeys []*GPGKey
if key.PrimaryKeyID != "" {
primaryKeys, err = GetGPGKeysByKeyID(key.PrimaryKeyID)
if err != nil {
log.Error("GetGPGKeysByKeyID: %v", err)
return &CommitVerification{
CommittingUser: committer,
Verified: false,
Reason: "gpg.error.failed_retrieval_gpg_keys",
}
}
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
activated := false
if len(email) != 0 {
for _, e := range key.Emails {
if e.IsActivated && strings.EqualFold(e.Email, email) {
activated = true
email = e.Email
break
}
}
if !activated {
for _, pkey := range primaryKeys {
for _, e := range pkey.Emails {
if e.IsActivated && strings.EqualFold(e.Email, email) {
activated = true
email = e.Email
break
}
}
if activated {
break
}
}
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
} else {
for _, e := range key.Emails {
if e.IsActivated {
activated = true
email = e.Email
break
}
}
if !activated {
for _, pkey := range primaryKeys {
for _, e := range pkey.Emails {
if e.IsActivated {
activated = true
email = e.Email
break
}
}
if activated {
break
}
}
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
if !activated {
continue
}
signer := &User{
Name: name,
Email: email,
}
if key.OwnerID != 0 {
owner, err := GetUserByID(key.OwnerID)
if err == nil {
signer = owner
} else if !IsErrUserNotExist(err) {
log.Error("Failed to GetUserByID: %d for key ID: %d (%s) %v", key.OwnerID, key.ID, key.KeyID, err)
return &CommitVerification{
CommittingUser: committer,
Verified: false,
Reason: "gpg.error.no_committer_account",
}
}
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
commitVerification := hashAndVerifyWithSubKeys(sig, payload, key, committer, signer, email)
if commitVerification != nil {
return commitVerification
}
}
// This is a bad situation ... We have a key id that is in our database but the signature doesn't match.
return &CommitVerification{
CommittingUser: committer,
Verified: false,
Warning: true,
Reason: BadSignature,
}
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
// ParseCommitWithSignature check if signature is good against keystore.
func ParseCommitWithSignature(c *git.Commit) *CommitVerification {
var committer *User
if c.Committer != nil {
var err error
//Find Committer account
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
committer, err = GetUserByEmail(c.Committer.Email) //This finds the user by primary email or activated email so commit will not be valid if email is not
if err != nil { //Skipping not user for commiter
committer = &User{
Name: c.Committer.Name,
Email: c.Committer.Email,
}
// We can expect this to often be an ErrUserNotExist. in the case
// it is not, however, it is important to log it.
if !IsErrUserNotExist(err) {
Better logging (#6038) (#6095) * Panic don't fatal on create new logger Fixes #5854 Signed-off-by: Andrew Thornton <art27@cantab.net> * partial broken * Update the logging infrastrcture Signed-off-by: Andrew Thornton <art27@cantab.net> * Reset the skip levels for Fatal and Error Signed-off-by: Andrew Thornton <art27@cantab.net> * broken ncsa * More log.Error fixes Signed-off-by: Andrew Thornton <art27@cantab.net> * Remove nal * set log-levels to lowercase * Make console_test test all levels * switch to lowercased levels * OK now working * Fix vetting issues * Fix lint * Fix tests * change default logging to match current gitea * Improve log testing Signed-off-by: Andrew Thornton <art27@cantab.net> * reset error skip levels to 0 * Update documentation and access logger configuration * Redirect the router log back to gitea if redirect macaron log but also allow setting the log level - i.e. TRACE * Fix broken level caching * Refactor the router log * Add Router logger * Add colorizing options * Adjust router colors * Only create logger if they will be used * update app.ini.sample * rename Attribute ColorAttribute * Change from white to green for function * Set fatal/error levels * Restore initial trace logger * Fix Trace arguments in modules/auth/auth.go * Properly handle XORMLogger * Improve admin/config page * fix fmt * Add auto-compression of old logs * Update error log levels * Remove the unnecessary skip argument from Error, Fatal and Critical * Add stacktrace support * Fix tests * Remove x/sync from vendors? * Add stderr option to console logger * Use filepath.ToSlash to protect against Windows in tests * Remove prefixed underscores from names in colors.go * Remove not implemented database logger This was removed from Gogs on 4 Mar 2016 but left in the configuration since then. * Ensure that log paths are relative to ROOT_PATH * use path.Join * rename jsonConfig to logConfig * Rename "config" to "jsonConfig" to make it clearer * Requested changes * Requested changes: XormLogger * Try to color the windows terminal If successful default to colorizing the console logs * fixup * Colorize initially too * update vendor * Colorize logs on default and remove if this is not a colorizing logger * Fix documentation * fix test * Use go-isatty to detect if on windows we are on msys or cygwin * Fix spelling mistake * Add missing vendors * More changes * Rationalise the ANSI writer protection * Adjust colors on advice from @0x5c * Make Flags a comma separated list * Move to use the windows constant for ENABLE_VIRTUAL_TERMINAL_PROCESSING * Ensure matching is done on the non-colored message - to simpify EXPRESSION
6 years ago
log.Error("GetUserByEmail: %v", err)
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
return &CommitVerification{
CommittingUser: committer,
Verified: false,
Reason: "gpg.error.no_committer_account",
}
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
}
}
// If no signature just report the committer
if c.Signature == nil {
return &CommitVerification{
CommittingUser: committer,
Verified: false, //Default value
Reason: "gpg.error.not_signed_commit", //Default value
}
}
//Parsing signature
sig, err := extractSignature(c.Signature.Signature)
if err != nil { //Skipping failed to extract sign
log.Error("SignatureRead err: %v", err)
return &CommitVerification{
CommittingUser: committer,
Verified: false,
Reason: "gpg.error.extract_sign",
}
}
keyID := ""
if sig.IssuerKeyId != nil && (*sig.IssuerKeyId) != 0 {
keyID = fmt.Sprintf("%X", *sig.IssuerKeyId)
}
if keyID == "" && sig.IssuerFingerprint != nil && len(sig.IssuerFingerprint) > 0 {
keyID = fmt.Sprintf("%X", sig.IssuerFingerprint[12:20])
}
defaultReason := NoKeyFound
// First check if the sig has a keyID and if so just look at that
if commitVerification := hashAndVerifyForKeyID(
sig,
c.Signature.Payload,
committer,
keyID,
setting.AppName,
""); commitVerification != nil {
if commitVerification.Reason == BadSignature {
defaultReason = BadSignature
} else {
return commitVerification
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
// Now try to associate the signature with the committer, if present
if committer.ID != 0 {
API add/generalize pagination (#9452) * paginate results * fixed deadlock * prevented breaking change * updated swagger * go fmt * fixed find topic * go mod tidy * go mod vendor with go1.13.5 * fixed repo find topics * fixed unit test * added Limit method to Engine struct; use engine variable when provided; fixed gitignore * use ItemsPerPage for default pagesize; fix GetWatchers, getOrgUsersByOrgID and GetStargazers; fix GetAllCommits headers; reverted some changed behaviors * set Page value on Home route * improved memory allocations * fixed response headers * removed logfiles * fixed import order * import order * improved swagger * added function to get models.ListOptions from context * removed pagesize diff on unit test * fixed imports * removed unnecessary struct field * fixed go fmt * scoped PR * code improvements * code improvements * go mod tidy * fixed import order * fixed commit statuses session * fixed files headers * fixed headers; added pagination for notifications * go mod tidy * go fmt * removed Private from user search options; added setting.UI.IssuePagingNum as default valeu on repo's issues list * Apply suggestions from code review Co-Authored-By: 6543 <6543@obermui.de> Co-Authored-By: zeripath <art27@cantab.net> * fixed build error * CI.restart() * fixed merge conflicts resolve * fixed conflicts resolve * improved FindTrackedTimesOptions.ToOptions() method * added backwards compatibility on ListReleases request; fixed issue tracked time ToSession * fixed build error; fixed swagger template * fixed swagger template * fixed ListReleases backwards compatibility * added page to user search route Co-authored-by: techknowlogick <matti@mdranta.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: zeripath <art27@cantab.net>
5 years ago
keys, err := ListGPGKeys(committer.ID, ListOptions{})
if err != nil { //Skipping failed to get gpg keys of user
Better logging (#6038) (#6095) * Panic don't fatal on create new logger Fixes #5854 Signed-off-by: Andrew Thornton <art27@cantab.net> * partial broken * Update the logging infrastrcture Signed-off-by: Andrew Thornton <art27@cantab.net> * Reset the skip levels for Fatal and Error Signed-off-by: Andrew Thornton <art27@cantab.net> * broken ncsa * More log.Error fixes Signed-off-by: Andrew Thornton <art27@cantab.net> * Remove nal * set log-levels to lowercase * Make console_test test all levels * switch to lowercased levels * OK now working * Fix vetting issues * Fix lint * Fix tests * change default logging to match current gitea * Improve log testing Signed-off-by: Andrew Thornton <art27@cantab.net> * reset error skip levels to 0 * Update documentation and access logger configuration * Redirect the router log back to gitea if redirect macaron log but also allow setting the log level - i.e. TRACE * Fix broken level caching * Refactor the router log * Add Router logger * Add colorizing options * Adjust router colors * Only create logger if they will be used * update app.ini.sample * rename Attribute ColorAttribute * Change from white to green for function * Set fatal/error levels * Restore initial trace logger * Fix Trace arguments in modules/auth/auth.go * Properly handle XORMLogger * Improve admin/config page * fix fmt * Add auto-compression of old logs * Update error log levels * Remove the unnecessary skip argument from Error, Fatal and Critical * Add stacktrace support * Fix tests * Remove x/sync from vendors? * Add stderr option to console logger * Use filepath.ToSlash to protect against Windows in tests * Remove prefixed underscores from names in colors.go * Remove not implemented database logger This was removed from Gogs on 4 Mar 2016 but left in the configuration since then. * Ensure that log paths are relative to ROOT_PATH * use path.Join * rename jsonConfig to logConfig * Rename "config" to "jsonConfig" to make it clearer * Requested changes * Requested changes: XormLogger * Try to color the windows terminal If successful default to colorizing the console logs * fixup * Colorize initially too * update vendor * Colorize logs on default and remove if this is not a colorizing logger * Fix documentation * fix test * Use go-isatty to detect if on windows we are on msys or cygwin * Fix spelling mistake * Add missing vendors * More changes * Rationalise the ANSI writer protection * Adjust colors on advice from @0x5c * Make Flags a comma separated list * Move to use the windows constant for ENABLE_VIRTUAL_TERMINAL_PROCESSING * Ensure matching is done on the non-colored message - to simpify EXPRESSION
6 years ago
log.Error("ListGPGKeys: %v", err)
return &CommitVerification{
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
CommittingUser: committer,
Verified: false,
Reason: "gpg.error.failed_retrieval_gpg_keys",
}
}
for _, k := range keys {
//Pre-check (& optimization) that emails attached to key can be attached to the commiter email and can validate
canValidate := false
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
email := ""
for _, e := range k.Emails {
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
if e.IsActivated && strings.EqualFold(e.Email, c.Committer.Email) {
canValidate = true
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
email = e.Email
break
}
}
if !canValidate {
continue //Skip this key
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
commitVerification := hashAndVerifyWithSubKeys(sig, c.Signature.Payload, k, committer, committer, email)
if commitVerification != nil {
return commitVerification
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
}
}
if setting.Repository.Signing.SigningKey != "" && setting.Repository.Signing.SigningKey != "default" && setting.Repository.Signing.SigningKey != "none" {
// OK we should try the default key
gpgSettings := git.GPGSettings{
Sign: true,
KeyID: setting.Repository.Signing.SigningKey,
Name: setting.Repository.Signing.SigningName,
Email: setting.Repository.Signing.SigningEmail,
}
if err := gpgSettings.LoadPublicKeyContent(); err != nil {
log.Error("Error getting default signing key: %s %v", gpgSettings.KeyID, err)
} else if commitVerification := verifyWithGPGSettings(&gpgSettings, sig, c.Signature.Payload, committer, keyID); commitVerification != nil {
if commitVerification.Reason == BadSignature {
defaultReason = BadSignature
} else {
return commitVerification
}
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
}
defaultGPGSettings, err := c.GetRepositoryDefaultPublicGPGKey(false)
if err != nil {
log.Error("Error getting default public gpg key: %v", err)
} else if defaultGPGSettings == nil {
log.Warn("Unable to get defaultGPGSettings for unattached commit: %s", c.ID.String())
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
} else if defaultGPGSettings.Sign {
if commitVerification := verifyWithGPGSettings(defaultGPGSettings, sig, c.Signature.Payload, committer, keyID); commitVerification != nil {
if commitVerification.Reason == BadSignature {
defaultReason = BadSignature
} else {
return commitVerification
}
}
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
return &CommitVerification{ //Default at this stage
CommittingUser: committer,
Verified: false,
Warning: defaultReason != NoKeyFound,
Reason: defaultReason,
SigningKey: &GPGKey{
KeyID: keyID,
},
}
}
func verifyWithGPGSettings(gpgSettings *git.GPGSettings, sig *packet.Signature, payload string, committer *User, keyID string) *CommitVerification {
// First try to find the key in the db
if commitVerification := hashAndVerifyForKeyID(sig, payload, committer, gpgSettings.KeyID, gpgSettings.Name, gpgSettings.Email); commitVerification != nil {
return commitVerification
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
// Otherwise we have to parse the key
ekeys, err := checkArmoredGPGKeyString(gpgSettings.PublicKeyContent)
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
if err != nil {
log.Error("Unable to get default signing key: %v", err)
return &CommitVerification{
CommittingUser: committer,
Verified: false,
Reason: "gpg.error.generate_hash",
}
}
for _, ekey := range ekeys {
pubkey := ekey.PrimaryKey
content, err := base64EncPubKey(pubkey)
if err != nil {
return &CommitVerification{
CommittingUser: committer,
Verified: false,
Reason: "gpg.error.generate_hash",
}
}
k := &GPGKey{
Content: content,
CanSign: pubkey.CanSign(),
KeyID: pubkey.KeyIdString(),
}
for _, subKey := range ekey.Subkeys {
content, err := base64EncPubKey(subKey.PublicKey)
if err != nil {
return &CommitVerification{
CommittingUser: committer,
Verified: false,
Reason: "gpg.error.generate_hash",
}
}
k.SubsKey = append(k.SubsKey, &GPGKey{
Content: content,
CanSign: subKey.PublicKey.CanSign(),
KeyID: subKey.PublicKey.KeyIdString(),
})
}
if commitVerification := hashAndVerifyWithSubKeys(sig, payload, k, committer, &User{
Name: gpgSettings.Name,
Email: gpgSettings.Email,
}, gpgSettings.Email); commitVerification != nil {
return commitVerification
}
if keyID == k.KeyID {
// This is a bad situation ... We have a key id that matches our default key but the signature doesn't match.
return &CommitVerification{
CommittingUser: committer,
Verified: false,
Warning: true,
Reason: BadSignature,
}
Sign merges, CRUD, Wiki and Repository initialisation with gpg key (#7631) This PR fixes #7598 by providing a configurable way of signing commits across the Gitea instance. Per repository configurability and import/generation of trusted secure keys is not provided by this PR - from a security PoV that's probably impossible to do properly. Similarly web-signing, that is asking the user to sign something, is not implemented - this could be done at a later stage however. ## Features - [x] If commit.gpgsign is set in .gitconfig sign commits and files created through repofiles. (merges should already have been signed.) - [x] Verify commits signed with the default gpg as valid - [x] Signer, Committer and Author can all be different - [x] Allow signer to be arbitrarily different - We still require the key to have an activated email on Gitea. A more complete implementation would be to use a keyserver and mark external-or-unactivated with an "unknown" trust level icon. - [x] Add a signing-key.gpg endpoint to get the default gpg pub key if available - Rather than add a fake web-flow user I've added this as an endpoint on /api/v1/signing-key.gpg - [x] Try to match the default key with a user on gitea - this is done at verification time - [x] Make things configurable? - app.ini configuration done - [x] when checking commits are signed need to check if they're actually verifiable too - [x] Add documentation I have decided that adjusting the docker to create a default gpg key is not the correct thing to do and therefore have not implemented this.
5 years ago
}
}
return nil
}
// ParseCommitsWithSignature checks if signaute of commits are corresponding to users gpg keys.
func ParseCommitsWithSignature(oldCommits *list.List, repository *Repository) *list.List {
var (
newCommits = list.New()
e = oldCommits.Front()
)
Add configurable Trust Models (#11712) * Add configurable Trust Models Gitea's default signature verification model differs from GitHub. GitHub uses signatures to verify that the committer is who they say they are - meaning that when GitHub makes a signed commit it must be the committer. The GitHub model prevents re-publishing of commits after revocation of a key and prevents re-signing of other people's commits to create a completely trusted repository signed by one key or a set of trusted keys. The default behaviour of Gitea in contrast is to always display the avatar and information related to a signature. This allows signatures to be decoupled from the committer. That being said, allowing arbitary users to present other peoples commits as theirs is not necessarily desired therefore we have a trust model whereby signatures from collaborators are marked trusted, signatures matching the commit line are marked untrusted and signatures that match a user in the db but not the committer line are marked unmatched. The problem with this model is that this conflicts with Github therefore we need to provide an option to allow users to choose the Github model should they wish to. Signed-off-by: Andrew Thornton <art27@cantab.net> * Adjust locale strings Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @6543 Co-authored-by: 6543 <6543@obermui.de> * Update models/gpg_key.go * Add migration for repository Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
4 years ago
keyMap := map[string]bool{}
for e != nil {
c := e.Value.(UserCommit)
signCommit := SignCommit{
UserCommit: &c,
Verification: ParseCommitWithSignature(c.Commit),
}
Add configurable Trust Models (#11712) * Add configurable Trust Models Gitea's default signature verification model differs from GitHub. GitHub uses signatures to verify that the committer is who they say they are - meaning that when GitHub makes a signed commit it must be the committer. The GitHub model prevents re-publishing of commits after revocation of a key and prevents re-signing of other people's commits to create a completely trusted repository signed by one key or a set of trusted keys. The default behaviour of Gitea in contrast is to always display the avatar and information related to a signature. This allows signatures to be decoupled from the committer. That being said, allowing arbitary users to present other peoples commits as theirs is not necessarily desired therefore we have a trust model whereby signatures from collaborators are marked trusted, signatures matching the commit line are marked untrusted and signatures that match a user in the db but not the committer line are marked unmatched. The problem with this model is that this conflicts with Github therefore we need to provide an option to allow users to choose the Github model should they wish to. Signed-off-by: Andrew Thornton <art27@cantab.net> * Adjust locale strings Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @6543 Co-authored-by: 6543 <6543@obermui.de> * Update models/gpg_key.go * Add migration for repository Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
4 years ago
_ = CalculateTrustStatus(signCommit.Verification, repository, &keyMap)
newCommits.PushBack(signCommit)
e = e.Next()
}
return newCommits
}
// CalculateTrustStatus will calculate the TrustStatus for a commit verification within a repository
Add configurable Trust Models (#11712) * Add configurable Trust Models Gitea's default signature verification model differs from GitHub. GitHub uses signatures to verify that the committer is who they say they are - meaning that when GitHub makes a signed commit it must be the committer. The GitHub model prevents re-publishing of commits after revocation of a key and prevents re-signing of other people's commits to create a completely trusted repository signed by one key or a set of trusted keys. The default behaviour of Gitea in contrast is to always display the avatar and information related to a signature. This allows signatures to be decoupled from the committer. That being said, allowing arbitary users to present other peoples commits as theirs is not necessarily desired therefore we have a trust model whereby signatures from collaborators are marked trusted, signatures matching the commit line are marked untrusted and signatures that match a user in the db but not the committer line are marked unmatched. The problem with this model is that this conflicts with Github therefore we need to provide an option to allow users to choose the Github model should they wish to. Signed-off-by: Andrew Thornton <art27@cantab.net> * Adjust locale strings Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @6543 Co-authored-by: 6543 <6543@obermui.de> * Update models/gpg_key.go * Add migration for repository Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
4 years ago
func CalculateTrustStatus(verification *CommitVerification, repository *Repository, keyMap *map[string]bool) (err error) {
if !verification.Verified {
return
}
Add configurable Trust Models (#11712) * Add configurable Trust Models Gitea's default signature verification model differs from GitHub. GitHub uses signatures to verify that the committer is who they say they are - meaning that when GitHub makes a signed commit it must be the committer. The GitHub model prevents re-publishing of commits after revocation of a key and prevents re-signing of other people's commits to create a completely trusted repository signed by one key or a set of trusted keys. The default behaviour of Gitea in contrast is to always display the avatar and information related to a signature. This allows signatures to be decoupled from the committer. That being said, allowing arbitary users to present other peoples commits as theirs is not necessarily desired therefore we have a trust model whereby signatures from collaborators are marked trusted, signatures matching the commit line are marked untrusted and signatures that match a user in the db but not the committer line are marked unmatched. The problem with this model is that this conflicts with Github therefore we need to provide an option to allow users to choose the Github model should they wish to. Signed-off-by: Andrew Thornton <art27@cantab.net> * Adjust locale strings Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @6543 Co-authored-by: 6543 <6543@obermui.de> * Update models/gpg_key.go * Add migration for repository Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
4 years ago
// There are several trust models in Gitea
trustModel := repository.GetTrustModel()
// In the Committer trust model a signature is trusted if it matches the committer
// - it doesn't matter if they're a collaborator, the owner, Gitea or Github
// NB: This model is commit verification only
if trustModel == CommitterTrustModel {
// default to "unmatched"
verification.TrustStatus = "unmatched"
// We can only verify against users in our database but the default key will match
// against by email if it is not in the db.
if (verification.SigningUser.ID != 0 &&
verification.CommittingUser.ID == verification.SigningUser.ID) ||
(verification.SigningUser.ID == 0 && verification.CommittingUser.ID == 0 &&
verification.SigningUser.Email == verification.CommittingUser.Email) {
verification.TrustStatus = "trusted"
}
Add configurable Trust Models (#11712) * Add configurable Trust Models Gitea's default signature verification model differs from GitHub. GitHub uses signatures to verify that the committer is who they say they are - meaning that when GitHub makes a signed commit it must be the committer. The GitHub model prevents re-publishing of commits after revocation of a key and prevents re-signing of other people's commits to create a completely trusted repository signed by one key or a set of trusted keys. The default behaviour of Gitea in contrast is to always display the avatar and information related to a signature. This allows signatures to be decoupled from the committer. That being said, allowing arbitary users to present other peoples commits as theirs is not necessarily desired therefore we have a trust model whereby signatures from collaborators are marked trusted, signatures matching the commit line are marked untrusted and signatures that match a user in the db but not the committer line are marked unmatched. The problem with this model is that this conflicts with Github therefore we need to provide an option to allow users to choose the Github model should they wish to. Signed-off-by: Andrew Thornton <art27@cantab.net> * Adjust locale strings Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @6543 Co-authored-by: 6543 <6543@obermui.de> * Update models/gpg_key.go * Add migration for repository Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
4 years ago
return
}
Add configurable Trust Models (#11712) * Add configurable Trust Models Gitea's default signature verification model differs from GitHub. GitHub uses signatures to verify that the committer is who they say they are - meaning that when GitHub makes a signed commit it must be the committer. The GitHub model prevents re-publishing of commits after revocation of a key and prevents re-signing of other people's commits to create a completely trusted repository signed by one key or a set of trusted keys. The default behaviour of Gitea in contrast is to always display the avatar and information related to a signature. This allows signatures to be decoupled from the committer. That being said, allowing arbitary users to present other peoples commits as theirs is not necessarily desired therefore we have a trust model whereby signatures from collaborators are marked trusted, signatures matching the commit line are marked untrusted and signatures that match a user in the db but not the committer line are marked unmatched. The problem with this model is that this conflicts with Github therefore we need to provide an option to allow users to choose the Github model should they wish to. Signed-off-by: Andrew Thornton <art27@cantab.net> * Adjust locale strings Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @6543 Co-authored-by: 6543 <6543@obermui.de> * Update models/gpg_key.go * Add migration for repository Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
4 years ago
// Now we drop to the more nuanced trust models...
verification.TrustStatus = "trusted"
if verification.SigningUser.ID == 0 {
// This commit is signed by the default key - but this key is not assigned to a user in the DB.
// However in the CollaboratorCommitterTrustModel we cannot mark this as trusted
// unless the default key matches the email of a non-user.
if trustModel == CollaboratorCommitterTrustModel && (verification.CommittingUser.ID != 0 ||
verification.SigningUser.Email != verification.CommittingUser.Email) {
verification.TrustStatus = "untrusted"
}
return
}
var isMember bool
if keyMap != nil {
var has bool
isMember, has = (*keyMap)[verification.SigningKey.KeyID]
if !has {
isMember, err = repository.IsOwnerMemberCollaborator(verification.SigningUser.ID)
(*keyMap)[verification.SigningKey.KeyID] = isMember
}
} else {
isMember, err = repository.IsOwnerMemberCollaborator(verification.SigningUser.ID)
}
if !isMember {
verification.TrustStatus = "untrusted"
if verification.CommittingUser.ID != verification.SigningUser.ID {
// The committing user and the signing user are not the same
// This should be marked as questionable unless the signing user is a collaborator/team member etc.
verification.TrustStatus = "unmatched"
}
} else if trustModel == CollaboratorCommitterTrustModel && verification.CommittingUser.ID != verification.SigningUser.ID {
// The committing user and the signing user are not the same and our trustmodel states that they must match
verification.TrustStatus = "unmatched"
}
return
}