mirror of
https://github.com/goharbor/harbor.git
synced 2024-12-24 17:47:46 +01:00
129 lines
3.1 KiB
Go
129 lines
3.1 KiB
Go
/*
|
|
Copyright (c) 2016 VMware, Inc. All Rights Reserved.
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package ldap
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
|
|
"github.com/vmware/harbor/utils/log"
|
|
|
|
"github.com/vmware/harbor/auth"
|
|
"github.com/vmware/harbor/dao"
|
|
"github.com/vmware/harbor/models"
|
|
|
|
"github.com/mqu/openldap"
|
|
)
|
|
|
|
// Auth implements Authenticator interface to authenticate against LDAP
|
|
type Auth struct{}
|
|
|
|
const metaChars = "&|!=~*<>()"
|
|
|
|
// Authenticate checks user's credential against LDAP based on basedn template and LDAP URL,
|
|
// if the check is successful a dummy record will be inserted into DB, such that this user can
|
|
// be associated to other entities in the system.
|
|
func (l *Auth) Authenticate(m models.AuthModel) (*models.User, error) {
|
|
|
|
ldapURL := os.Getenv("LDAP_URL")
|
|
if ldapURL == "" {
|
|
return nil, errors.New("Can not get any available LDAP_URL.")
|
|
}
|
|
log.Debug("ldapURL:", ldapURL)
|
|
|
|
p := m.Principal
|
|
for _, c := range metaChars {
|
|
if strings.ContainsRune(p, c) {
|
|
return nil, fmt.Errorf("the principal contains meta char: %q", c)
|
|
}
|
|
}
|
|
|
|
ldap, err := openldap.Initialize(ldapURL)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ldap.SetOption(openldap.LDAP_OPT_PROTOCOL_VERSION, openldap.LDAP_VERSION3)
|
|
|
|
ldapBaseDn := os.Getenv("LDAP_BASE_DN")
|
|
if ldapBaseDn == "" {
|
|
return nil, errors.New("Can not get any available LDAP_BASE_DN.")
|
|
}
|
|
|
|
baseDn := fmt.Sprintf(ldapBaseDn, m.Principal)
|
|
log.Debug("baseDn:", baseDn)
|
|
|
|
err = ldap.Bind(baseDn, m.Password)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer ldap.Close()
|
|
|
|
scope := openldap.LDAP_SCOPE_SUBTREE // LDAP_SCOPE_BASE, LDAP_SCOPE_ONELEVEL, LDAP_SCOPE_SUBTREE
|
|
filter := "objectClass=*"
|
|
attributes := []string{"mail"}
|
|
|
|
result, err := ldap.SearchAll(baseDn, scope, filter, attributes)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
u := models.User{}
|
|
if len(result.Entries()) == 1 {
|
|
en := result.Entries()[0]
|
|
for _, attr := range en.Attributes() {
|
|
val := attr.Values()[0]
|
|
if attr.Name() == "mail" {
|
|
u.Email = val
|
|
}
|
|
}
|
|
}
|
|
|
|
u.Username = m.Principal
|
|
log.Debug("username:", u.Username, ",email:", u.Email)
|
|
|
|
exist, err := dao.UserExists(u, "username")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if exist {
|
|
currentUser, err := dao.GetUser(u)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
u.UserID = currentUser.UserID
|
|
} else {
|
|
u.Realname = m.Principal
|
|
u.Password = "12345678AbC"
|
|
u.Comment = "registered from LDAP."
|
|
if u.Email == "" {
|
|
u.Email = u.Username + "@placeholder.com"
|
|
}
|
|
userID, err := dao.Register(u)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
u.UserID = int(userID)
|
|
}
|
|
return &u, nil
|
|
}
|
|
|
|
func init() {
|
|
auth.Register("ldap_auth", &Auth{})
|
|
}
|