-function ldap_autocreateaccount($ldap_autocreateaccount,$username,$password,$email,$name) {
- if($ldap_autocreateaccount == "true"){
- $results = get_existing_account($username);
- if(empty($results)){
- if (strlen($email) > 0 && strlen($name) > 0){
- $arr = array('username'=>$name,'nickname'=>$username,'email'=>$email,'password'=>$password,'verified'=>1);
- $result = create_user($arr);
- if ($result['success']){
- logger("ldapauth: account " . $username . " created");
- }else{
- logger("ldapauth: account " . $username . " was not created ! : " . implode($result));
- }
- }else{
- logger("ldapauth: unable to create account, no email or nickname found");
- }
- }
- }
+function ldapauth_authenticate($username, $password)
+{
+ $ldap_server = DI::config()->get('ldapauth', 'ldap_server');
+ $ldap_binddn = DI::config()->get('ldapauth', 'ldap_binddn');
+ $ldap_bindpw = DI::config()->get('ldapauth', 'ldap_bindpw');
+ $ldap_searchdn = DI::config()->get('ldapauth', 'ldap_searchdn');
+ $ldap_userattr = DI::config()->get('ldapauth', 'ldap_userattr');
+ $ldap_group = DI::config()->get('ldapauth', 'ldap_group');
+ $ldap_autocreateaccount = DI::config()->get('ldapauth', 'ldap_autocreateaccount');
+ $ldap_autocreateaccount_emailattribute = DI::config()->get('ldapauth', 'ldap_autocreateaccount_emailattribute');
+ $ldap_autocreateaccount_nameattribute = DI::config()->get('ldapauth', 'ldap_autocreateaccount_nameattribute');
+
+ if (!extension_loaded('ldap') || !strlen($ldap_server)) {
+ Logger::error('Addon not configured or missing php-ldap extension', ['extension_loaded' => extension_loaded('ldap'), 'server' => $ldap_server]);
+ return false;
+ }
+
+ if (!strlen($password)) {
+ Logger::error('Empty password disallowed', ['provided_password_length' => strlen($password)]);
+ return false;
+ }
+
+ $connect = @ldap_connect($ldap_server);
+ if ($connect === false) {
+ Logger::warning('Could not connect to LDAP server', ['server' => $ldap_server]);
+ return false;
+ }
+
+ @ldap_set_option($connect, LDAP_OPT_PROTOCOL_VERSION, 3);
+ @ldap_set_option($connect, LDAP_OPT_REFERRALS, 0);
+ if ((@ldap_bind($connect, $ldap_binddn, $ldap_bindpw)) === false) {
+ Logger::warning('Could not bind to LDAP server', ['server' => $ldap_server, 'binddn' => $ldap_binddn, 'errno' => ldap_errno($connect), 'error' => ldap_error($connect)]);
+ return false;
+ }
+
+ $res = @ldap_search($connect, $ldap_searchdn, $ldap_userattr . '=' . $username);
+ if (!$res) {
+ Logger::notice('LDAP user not found.', ['searchdn' => $ldap_searchdn, 'userattr' => $ldap_userattr, 'username' => $username, 'errno' => ldap_errno($connect), 'error' => ldap_error($connect)]);
+ return false;
+ }
+
+ $id = @ldap_first_entry($connect, $res);
+ if (!$id) {
+ Logger::notice('Could not retrieve first LDAP entry.', ['searchdn' => $ldap_searchdn, 'userattr' => $ldap_userattr, 'username' => $username, 'errno' => ldap_errno($connect), 'error' => ldap_error($connect)]);
+ return false;
+ }
+
+ $dn = @ldap_get_dn($connect, $id);
+ if (!@ldap_bind($connect, $dn, $password)) {
+ Logger::notice('Could not authenticate LDAP user with provided password', ['errno' => ldap_errno($connect), 'error' => ldap_error($connect)]);
+ return false;
+ }
+
+ if (strlen($ldap_group) && @ldap_compare($connect, $ldap_group, 'member', $dn) !== true) {
+ $errno = @ldap_errno($connect);
+ if ($errno === 32) {
+ Logger::notice('LDAP Access Control Group does not exist', ['errno' => $errno, 'error' => ldap_error($connect)]);
+ } elseif ($errno === 16) {
+ Logger::notice('LDAP membership attribute does not exist in access control group', ['errno' => $errno, 'error' => ldap_error($connect)]);
+ } else {
+ Logger::notice('LDAP user isn\'t part of the authorized group', ['dn' => $dn]);
+ }
+
+ @ldap_close($connect);
+ return false;
+ }
+
+ if ($ldap_autocreateaccount == 'true' && !DBA::exists('user', ['nickname' => $username])) {
+ if (!strlen($ldap_autocreateaccount_emailattribute)) {
+ $ldap_autocreateaccount_emailattribute = 'mail';
+ }
+ if (!strlen($ldap_autocreateaccount_nameattribute)) {
+ $ldap_autocreateaccount_nameattribute = 'givenName';
+ }
+ $email_values = @ldap_get_values($connect, $id, $ldap_autocreateaccount_emailattribute);
+ $name_values = @ldap_get_values($connect, $id, $ldap_autocreateaccount_nameattribute);
+
+ return ldap_createaccount($username, $password, $email_values[0] ?? '', $name_values[0] ?? '');
+ }
+
+ try {
+ $authentication = User::getAuthenticationInfo($username);
+ return User::getById($authentication['uid']);
+ } catch (Exception $e) {
+ Logger::notice('LDAP authentication error: ' . $e->getMessage());
+ return false;
+ }