LDAP: ignore already existing public keys after ldap sync (#6766)

* fix type in public key exist error, only log trace for ldap public key import if existing

Signed-off-by: Lukas Prettenthaler <lukas@noenv.com>

* cleanup switch statement

Signed-off-by: Lukas Prettenthaler <lukas@noenv.com>

* replace switch with if, fix log formatting

Signed-off-by: Lukas Prettenthaler <lukas@noenv.com>

* fix formatting

Signed-off-by: Lukas Prettenthaler <lukas@noenv.com>

models/error.go

@@ -318,7 +318,7 @@ func IsErrKeyAlreadyExist(err error) bool {
 }
 
 func (err ErrKeyAlreadyExist) Error() string {
-	return fmt.Sprintf("public key already exists [owner_id: %d, finter_print: %s, content: %s]",
+	return fmt.Sprintf("public key already exists [owner_id: %d, finger_print: %s, content: %s]",
 		err.OwnerID, err.Fingerprint, err.Content)
 }
 

models/user.go

@@ -1526,7 +1526,11 @@ func addLdapSSHPublicKeys(usr *User, s *LoginSource, SSHPublicKeys []string) boo
 		if err == nil {
 			sshKeyName := fmt.Sprintf("%s-%s", s.Name, sshKey[0:40])
 			if _, err := AddPublicKey(usr.ID, sshKeyName, sshKey, s.ID); err != nil {
+				if IsErrKeyAlreadyExist(err) {
+					log.Trace("addLdapSSHPublicKeys[%s]: LDAP Public SSH Key %s already exists for user", s.Name, usr.Name)
+				} else {
 					log.Error("addLdapSSHPublicKeys[%s]: Error adding LDAP Public SSH Key for user %s: %v", s.Name, usr.Name, err)
+				}
 			} else {
 				log.Trace("addLdapSSHPublicKeys[%s]: Added LDAP Public SSH Key for user %s", s.Name, usr.Name)
 				sshKeysNeedUpdate = true