143 lines
4.0 KiB
PHP
143 lines
4.0 KiB
PHP
<?php
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namespace OCA\user_external;
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/**
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* Copyright (c) 2014 Christian Weiske <cweiske@cweiske.de>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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use \OC_DB;
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/**
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* Base class for external auth implementations that stores users
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* on their first login in a local table.
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* This is required for making many of the user-related owncloud functions
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* work, including sharing files with them.
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*/
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abstract class Base extends \OC_User_Backend{
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protected $backend = '';
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public function __construct($backend) {
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$this->backend = $backend;
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}
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/**
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* @brief delete a user
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* @param string $uid The username of the user to delete
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* @return bool
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*
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* Deletes a user
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*/
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public function deleteUser($uid) {
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$query = OC_DB::prepare('DELETE FROM `*PREFIX*users_external` WHERE `uid` = ? AND backend = ?');
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$query->execute(array($uid, $this->backend));
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return true;
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}
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/**
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* @brief get display name of the user
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* @param $uid user ID of the user
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* @return string display name
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*/
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public function getDisplayName($uid) {
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$query = OC_DB::prepare('SELECT `displayname` FROM `*PREFIX*users_external` WHERE `uid` = ? AND backend = ?');
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$result = $query->execute(array($uid, $this->backend))->fetchAll();
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$displayName = trim($result[0]['displayname'], ' ');
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if (!empty($displayName)) {
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return $displayName;
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} else {
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return $uid;
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}
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}
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/**
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* @brief Get a list of all display names
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* @returns array with all displayNames (value) and the correspondig uids (key)
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*
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* Get a list of all display names and user ids.
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*/
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public function getDisplayNames($search = '', $limit = null, $offset = null) {
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$displayNames = array();
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$query = OC_DB::prepare('SELECT `uid`, `displayname` FROM `*PREFIX*users_external`'
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. ' WHERE (LOWER(`displayname`) LIKE LOWER(?) OR '
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. 'LOWER(`uid`) LIKE LOWER(?)) AND backend = ?', $limit, $offset);
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$result = $query->execute(array($search . '%', $search . '%', $this->backend));
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$users = array();
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while ($row = $result->fetchRow()) {
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$displayNames[$row['uid']] = $row['displayname'];
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}
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return $displayNames;
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}
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/**
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* @brief Get a list of all users
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* @returns array with all uids
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*
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* Get a list of all users.
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*/
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public function getUsers($search = '', $limit = null, $offset = null) {
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$query = OC_DB::prepare('SELECT `uid` FROM `*PREFIX*users_external` WHERE LOWER(`uid`) LIKE LOWER(?) AND backend = ?', $limit, $offset);
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$result = $query->execute(array($search . '%', $this->backend));
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$users = array();
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while ($row = $result->fetchRow()) {
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$users[] = $row['uid'];
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}
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return $users;
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}
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/**
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* @return bool
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*/
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public function hasUserListings() {
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return true;
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}
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/**
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* @brief Set display name
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* @param $uid The username
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* @param $displayName The new display name
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* @returns true/false
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*
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* Change the display name of a user
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*/
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public function setDisplayName($uid, $displayName) {
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if ($this->userExists($uid)) {
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$query = OC_DB::prepare('UPDATE `*PREFIX*users_external` SET `displayname` = ? WHERE LOWER(`uid`) = ? AND backend = ?');
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$query->execute(array($displayName, $uid, $this->backend));
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return true;
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} else {
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return false;
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}
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}
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/**
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* @brief Create user record in database
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* @param $uid The username
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* @returns void
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*/
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protected function storeUser($uid)
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{
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if (!$this->userExists($uid)) {
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$query = OC_DB::prepare('INSERT INTO `*PREFIX*users_external` ( `uid`, `backend` ) VALUES( ?, ? )');
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$result = $query->execute(array($uid, $this->backend));
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}
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}
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/**
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* @brief check if a user exists
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* @param string $uid the username
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* @return boolean
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*/
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public function userExists($uid) {
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$query = OC_DB::prepare('SELECT COUNT(*) FROM `*PREFIX*users_external` WHERE LOWER(`uid`) = LOWER(?) AND backend = ?');
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$result = $query->execute(array($uid, $this->backend));
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if (OC_DB::isError($result)) {
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OC_Log::write('user_external', OC_DB::getErrorMessage($result), OC_Log::ERROR);
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return false;
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}
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return $result->fetchOne() > 0;
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}
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}
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?>
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