<?php

$wgExtensionCredits['parserhook'][] = array (
    'name' => 'MyExtension',
    'author' => '',
);

if (!class_exists('AuthPlugin')) {
    require_once ( 'AuthPlugin.php' );
}

class MyExtensionPlugin extends AuthPlugin {

    function userExists($username) {
        return true;
    }

    function authenticate($username, $password) {

        $id = $_SESSION['id'];
        if($username = $id) {
          return true;
        } else {
          return false;
        }

    }

    function updateUser(& $user) {
        $name = $user->getName();
        $user->load();

        $user->mPassword = '';
        $user->mNewpassword = '';
        $user->mNewpassTime = null;

        $user->setRealName($_SESSION['name']);
        $user->setEmail($_SESSION['email']);
        $user->mEmailAuthenticated = wfTimestampNow();
        $user->saveSettings();

        return true;
    }

    function modifyUITemplate(& $template) {
        $template->set('useemail', false);
        $template->set('remember', false);
        $template->set('create', false);
        $template->set('domain', false);
        $template->set('usedomain', false);
    }

    function autoCreate() {
        return true;
    }

    function disallowPrefsEditByUser() {
        return array (
            'wpRealName' => true,
            'wpUserEmail' => true,
            'wpNick' => true
        );
    }

    function allowPasswordChange() {
        return false;
    }


    function setPassword( $user, $password ) {
        return false;
    }


    function strict() {
        return true;
    }

    function initUser( & $user ) {
    }

    function updateExternalDB( $user ) {
        return false;
    }

    function canCreateAccounts() {
        return false;
    }

    function addUser( $user, $password ) {
        return false;
    }

    function getCanonicalName( $username ) {
        return $username;
    }
}


function SetupAuthMyExtension() {
    global $wgHooks;
    global $wgAuth;

    $wgHooks['UserLoadFromSession'][] = 'Auth_MyExtension_autologin_hook';
    $wgHooks['UserLogoutComplete'][] = 'Auth_MyExtension_UserLogoutComplete';
    $wgHooks['PersonalUrls'][] = 'Auth_MyExtension_personalURL_hook';
    $wgAuth = new MyExtensionPlugin();
}

function Auth_MyExtension_autologin_hook($user, &$return_user ) {
    global $wgUser;
    global $wgAuth;
    global $wgContLang;

    wfSetupSession();

    // Give us a user, see if we're around
    $tmpuser = new User() ;
    $rc = $tmpuser->newFromSession();
    $rc = $tmpuser->load();

    if( $rc && $rc->isLoggedIn() ) {
        if ( $rc->authenticate($rc->getName(), '') ) {
            return true;
        } else {
            $rc->logout();
        }
    }

    $id = trim($_SESSION['id']);
    $name = ucfirst(trim($_SESSION['name']));

    if (empty($dsid)) {
        $result = false;    // Deny access
        return true;
    }

    $user = User::newFromName($dsid);

    if (0 == $user->getID() ) {
        // we have a new user to add...
        $user->setName( $id);
        $user->addToDatabase();
        $user->setToken();
            $user->saveSettings();

        $ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
        $ssUpdate->doUpdate();

    } else {
        $user->saveToCache();
    }

    // update email, real name, etc.
    $wgAuth->updateUser( $user );

    $result = true;
    // Go ahead and log 'em in
    $user->setToken();
    $user->saveSettings();
    $user->setupSession();
    $user->setCookies();
    return true;

}

function Auth_MyExtension_personalURL_hook(& $personal_urls, & $title) {
    global $wgUser;
    unset( $personal_urls['mytalk'] );
    unset($personal_urls['Userlogin']);
    $personal_urls['userpage']['text'] = $wgUser->getRealName();

    foreach (array('login', 'anonlogin') as $k) {
        if (array_key_exists($k, $personal_urls)) {
            unset($personal_urls[$k]);
        }
    }
    return true;
}


function Auth_MyExtension_UserLogoutComplete(&$user, &$inject_html, $old_name) {
    setcookie( $GLOBALS['wgCookiePrefix'] . '_session', '', time() - 3600, $GLOBALS['wgCookiePath']);
    setcookie( $GLOBALS['wgCookiePrefix'] . 'UserName', '', time() - 3600, $GLOBALS['wgCookiePath']);
    setcookie( $GLOBALS['wgCookiePrefix'] . 'UserID', '', time() - 3600, $GLOBALS['wgCookiePath']);
    setcookie( $GLOBALS['wgCookiePrefix'] . 'Token', '', time() - 3600, $GLOBALS['wgCookiePath']);
    return true;
}


?>

#############################
# Disallow Anonymous Access
#############################
$wgGroupPermissions['*']['read']            = false;
$wgGroupPermissions['*']['edit']            = false;
$wgGroupPermissions['*']['createpage']      = false;
$wgGroupPermissions['*']['createtalk']      = false;
$wgGroupPermissions['*']['createaccount']   = false;
$wgShowIPinHeader = false; # For non-logged in users

#############################
# Extension: MyExtension
#############################
require_once("$IP/extensions/MyExtension.php");
$wgAutoLogin = true;
SetupAuthMyExtension();
$wgDisableCookieCheck = true;