Fix conflict

lib/SimpleSAML/AuthMemCookie.php

-<?php
-
-namespace SimpleSAML;
-
-/**
- * This is a helper class for the Auth MemCookie module.
- * It handles the configuration, and implements the logout handler.
- *
- * @author Olav Morken, UNINETT AS.
- * @package SimpleSAMLphp
- *
- * @deprecated This class has been deprecated and will be removed in SSP 2.0. Use the memcookie module instead.
- */
-
-class AuthMemCookie
-{
-    /**
-     * @var AuthMemCookie This is the singleton instance of this class.
-     */
-    private static $instance = null;
-
-
-    /**
-     * @var Configuration The configuration for Auth MemCookie.
-     */
-    private $amcConfig;
-
-
-    /**
-     * This function is used to retrieve the singleton instance of this class.
-     *
-     * @return AuthMemCookie The singleton instance of this class.
-     */
-    public static function getInstance()
-    {
-        if (self::$instance === null) {
-            self::$instance = new AuthMemCookie();
-        }
-
-        return self::$instance;
-    }
-
-
-    /**
-     * This function implements the constructor for this class. It loads the Auth MemCookie configuration.
-     */
-    private function __construct()
-    {
-        // load AuthMemCookie configuration
-        $this->amcConfig = Configuration::getConfig('authmemcookie.php');
-    }
-
-
-    /**
-     * Retrieve the authentication source that should be used to authenticate the user.
-     *
-     * @return string The login type which should be used for Auth MemCookie.
-     */
-    public function getAuthSource()
-    {
-        return $this->amcConfig->getString('authsource');
-    }
-
-
-    /**
-     * This function retrieves the name of the cookie from the configuration.
-     *
-     * @return string The name of the cookie.
-     * @throws Exception If the value of the 'cookiename' configuration option is invalid.
-     */
-    public function getCookieName()
-    {
-        $cookieName = $this->amcConfig->getString('cookiename', 'AuthMemCookie');
-        if (!is_string($cookieName) || strlen($cookieName) === 0) {
-            throw new \Exception(
-                "Configuration option 'cookiename' contains an invalid value. This option should be a string."
-            );
-        }
-
-        return $cookieName;
-    }
-
-
-    /**
-     * This function retrieves the name of the attribute which contains the username from the configuration.
-     *
-     * @return string The name of the attribute which contains the username.
-     */
-    public function getUsernameAttr()
-    {
-        $usernameAttr = $this->amcConfig->getString('username', null);
-
-        return $usernameAttr;
-    }
-
-
-    /**
-     * This function retrieves the name of the attribute which contains the groups from the configuration.
-     *
-     * @return string The name of the attribute which contains the groups.
-     */
-    public function getGroupsAttr()
-    {
-        $groupsAttr = $this->amcConfig->getString('groups', null);
-
-        return $groupsAttr;
-    }
-
-
-    /**
-     * This function creates and initializes a Memcache object from our configuration.
-     *
-     * @return \Memcache|\Memcached A Memcache object initialized from our configuration.
-     * @throws \Exception If the servers configuration is invalid.
-     */
-    public function getMemcache()
-    {
-        $memcacheHost = $this->amcConfig->getString('memcache.host', '127.0.0.1');
-        $memcachePort = $this->amcConfig->getInteger('memcache.port', 11211);
-
-        $class = class_exists('Memcache') ? '\Memcache' : (class_exists('Memcached') ? '\Memcached' : false);
-        if (!$class) {
-            throw new \Exception(
-                'Missing Memcached implementation. You must install either the Memcache or Memcached extension.'
-            );
-        }
-
-        // Create the Memcache(d) object.
-        $memcache = new $class();
-
-        foreach (explode(',', $memcacheHost) as $memcacheHost) {
-            $memcache->addServer($memcacheHost, $memcachePort);
-        }
-
-        return $memcache;
-    }
-
-
-    /**
-     * This function logs the user out by deleting the session information from memcache.
-     * @return void
-     */
-    private function doLogout()
-    {
-        $cookieName = $this->getCookieName();
-
-        // check if we have a valid cookie
-        if (!array_key_exists($cookieName, $_COOKIE)) {
-            return;
-        }
-
-        $sessionID = $_COOKIE[$cookieName];
-
-        // delete the session from memcache
-        $memcache = $this->getMemcache();
-        $memcache->delete($sessionID);
-
-        // delete the session cookie
-        \SimpleSAML\Utils\HTTP::setCookie($cookieName, null);
-    }
-
-
-    /**
-     * This function implements the logout handler. It deletes the information from Memcache.
-     * @return void
-     */
-    public static function logoutHandler()
-    {
-        self::getInstance()->doLogout();
-    }
-}