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// Copyright 2021 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package ldap
import (
"fmt"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/models/login"
"code.gitea.io/gitea/services/mailer"
)
// Authenticate queries if login/password is valid against the LDAP directory pool,
// and create a local user if success when enabled.
func (source *Source) Authenticate(user *models.User, userName, password string) (*models.User, error) {
sr := source.SearchEntry(userName, password, source.loginSource.Type == login.DLDAP)
if sr == nil {
// User not in LDAP, do nothing
return nil, models.ErrUserNotExist{Name: userName}
}
isAttributeSSHPublicKeySet := len(strings.TrimSpace(source.AttributeSSHPublicKey)) > 0
// Update User admin flag if exist
if isExist, err := models.IsUserExist(0, sr.Username); err != nil {
return nil, err
} else if isExist {
if user == nil {
user, err = models.GetUserByName(sr.Username)
if err != nil {
return nil, err
}
}
if user != nil && !user.ProhibitLogin {
cols := make([]string, 0)
if len(source.AdminFilter) > 0 && user.IsAdmin != sr.IsAdmin {
// Change existing admin flag only if AdminFilter option is set
user.IsAdmin = sr.IsAdmin
cols = append(cols, "is_admin")
}
if !user.IsAdmin && len(source.RestrictedFilter) > 0 && user.IsRestricted != sr.IsRestricted {
// Change existing restricted flag only if RestrictedFilter option is set
user.IsRestricted = sr.IsRestricted
cols = append(cols, "is_restricted")
}
if len(cols) > 0 {
err = models.UpdateUserCols(user, cols...)
if err != nil {
return nil, err
}
}
}
}
if user != nil {
if isAttributeSSHPublicKeySet && models.SynchronizePublicKeys(user, source.loginSource, sr.SSHPublicKey) {
return user, models.RewriteAllPublicKeys()
}
return user, nil
}
// Fallback.
if len(sr.Username) == 0 {
sr.Username = userName
}
if len(sr.Mail) == 0 {
sr.Mail = fmt.Sprintf("%s@localhost", sr.Username)
}
user = &models.User{
LowerName: strings.ToLower(sr.Username),
Name: sr.Username,
FullName: composeFullName(sr.Name, sr.Surname, sr.Username),
Email: sr.Mail,
LoginType: source.loginSource.Type,
LoginSource: source.loginSource.ID,
LoginName: userName,
IsActive: true,
IsAdmin: sr.IsAdmin,
IsRestricted: sr.IsRestricted,
}
err := models.CreateUser(user)
if err != nil {
return user, err
}
mailer.SendRegisterNotifyMail(user)
if isAttributeSSHPublicKeySet && models.AddPublicKeysBySource(user, source.loginSource, sr.SSHPublicKey) {
err = models.RewriteAllPublicKeys()
}
if err == nil && len(source.AttributeAvatar) > 0 {
_ = user.UploadAvatar(sr.Avatar)
}
return user, err
}
// IsSkipLocalTwoFA returns if this source should skip local 2fa for password authentication
func (source *Source) IsSkipLocalTwoFA() bool {
return source.SkipLocalTwoFA
}
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