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Diffstat (limited to 'apps/user_ldap/lib/ldap.php')
| -rw-r--r-- | apps/user_ldap/lib/ldap.php | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/apps/user_ldap/lib/ldap.php b/apps/user_ldap/lib/ldap.php new file mode 100644 index 00000000000..b63e969912a --- /dev/null +++ b/apps/user_ldap/lib/ldap.php @@ -0,0 +1,167 @@ +<?php + +/** + * ownCloud – LDAP Wrapper + * + * @author Arthur Schiwon + * @copyright 2013 Arthur Schiwon blizzz@owncloud.com + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE + * License as published by the Free Software Foundation; either + * version 3 of the License, or any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU AFFERO GENERAL PUBLIC LICENSE for more details. + * + * You should have received a copy of the GNU Affero General Public + * License along with this library. If not, see <http://www.gnu.org/licenses/>. + * + */ + +namespace OCA\user_ldap\lib; + +class LDAP implements ILDAPWrapper { + protected $curFunc = ''; + protected $curArgs = array(); + + public function bind($link, $dn, $password) { + return $this->invokeLDAPMethod('bind', $link, $dn, $password); + } + + public function connect($host, $port) { + return $this->invokeLDAPMethod('connect', $host, $port); + } + + public function controlPagedResultResponse($link, $result, &$cookie) { + $this->preFunctionCall('ldap_control_paged_result_response', + array($link, $result, $cookie)); + $result = ldap_control_paged_result_response($link, $result, $cookie); + $this->postFunctionCall(); + + return $result; + } + + public function controlPagedResult($link, $pagesize, $isCritical, $cookie) { + return $this->invokeLDAPMethod('control_paged_result', $link, $pagesize, + $isCritical, $cookie); + } + + public function errno($link) { + return $this->invokeLDAPMethod('errno', $link); + } + + public function error($link) { + return $this->invokeLDAPMethod('error', $link); + } + + public function firstEntry($link, $result) { + return $this->invokeLDAPMethod('first_entry', $link, $result); + } + + public function getAttributes($link, $result) { + return $this->invokeLDAPMethod('get_attributes', $link, $result); + } + + public function getEntries($link, $result) { + return $this->invokeLDAPMethod('get_entries', $link, $result); + } + + public function read($link, $baseDN, $filter, $attr) { + return $this->invokeLDAPMethod('read', $link, $baseDN, $filter, $attr); + } + + public function search($link, $baseDN, $filter, $attr) { + return $this->invokeLDAPMethod('search', $link, $baseDN, + $filter, $attr); + } + + public function setOption($link, $option, $value) { + $this->invokeLDAPMethod('set_option', $link, $option, $value); + } + + public function sort($link, $result, $sortfilter) { + return $this->invokeLDAPMethod('sort', $link, $result, $sortfilter); + } + + public function startTls($link) { + return $this->invokeLDAPMethod('start_tls', $link); + } + + public function unbind($link) { + return $this->invokeLDAPMethod('unbind', $link); + } + + /** + * @brief Checks whether the server supports LDAP + * @return true if it the case, false otherwise + * */ + public function areLDAPFunctionsAvailable() { + return function_exists('ldap_connect'); + } + + /** + * @brief Checks whether PHP supports LDAP Paged Results + * @return true if it the case, false otherwise + * */ + public function hasPagedResultSupport() { + $hasSupport = function_exists('ldap_control_paged_result') + && function_exists('ldap_control_paged_result_response'); + return $hasSupport; + } + + /** + * @brief Checks whether the submitted parameter is a resource + * @param $resource the resource variable to check + * @return true if it is a resource, false otherwise + */ + public function isResource($resource) { + return is_resource($resource); + } + + private function invokeLDAPMethod() { + $arguments = func_get_args(); + $func = 'ldap_' . array_shift($arguments); + if(function_exists($func)) { + $this->preFunctionCall($func, $arguments); + $result = call_user_func_array($func, $arguments); + $this->postFunctionCall(); + return $result; + } + } + + private function preFunctionCall($functionName, $args) { + $this->curFunc = $functionName; + $this->curArgs = $args; + } + + private function postFunctionCall() { + if($this->isResource($this->curArgs[0])) { + $errorCode = ldap_errno($this->curArgs[0]); + $errorMsg = ldap_error($this->curArgs[0]); + if($errorCode !== 0) { + if($this->curFunc === 'ldap_sort' && $errorCode === -4) { + //You can safely ignore that decoding error. + //… says https://bugs.php.net/bug.php?id=18023 + } else if($this->curFunc === 'ldap_get_entries' + && $errorCode === -4) { + } else if ($errorCode === 32) { + //for now + } else if ($errorCode === 10) { + //referrals, we switch them off, but then there is AD :) + } else { + \OCP\Util::writeLog('user_ldap', + 'LDAP error '.$errorMsg.' (' . + $errorCode.') after calling '. + $this->curFunc, + \OCP\Util::DEBUG); + } + } + } + + $this->curFunc = ''; + $this->curArgs = array(); + } +}
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