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<?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, $cookie);
}
public function countEntries($link, $result) {
return $this->invokeLDAPMethod('count_entries', $link, $result);
}
public function errno($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, $result);
}
public function getDN($link, $result) {
return $this->invokeLDAPMethod('get_dn', $link, $result);
}
public function getEntries($link, $result) {
return $this->invokeLDAPMethod('get_entries', $link, $result);
}
public function nextEntry($link, $result) {
return $this->invokeLDAPMethod('next_entry', $link, $result);
}
public function read($link, $baseDN, $filter, $attr) {
return $this->invokeLDAPMethod('read', $link, $baseDN, $filter, $attr);
}
public function search($link, $baseDN, $filter, $attr, $attrsonly = 0, $limit = 0) {
return $this->invokeLDAPMethod('search', $link, $baseDN, $filter,
$attr, $attrsonly, $limit);
}
public function setOption($link, $option, $value) {
return $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 boolean if it the case, false otherwise
* */
public function areLDAPFunctionsAvailable() {
return function_exists('ldap_connect');
}
/**
* @brief Checks whether PHP supports LDAP Paged Results
* @return boolean 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 $resource the resource variable to check
* @return boolean if it is a resource, false otherwise
*/
public function isResource($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;
}
}
/**
* @param string $functionName
*/
private function preFunctionCall($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();
}
}
|
