/**
* This function is called when the special page is accessed
* @param $par parameters
* @see includes/SpecialPage.php
*/
function execute($par)
{
global $wgRequest, $wgOut;
$this->setHeaders();
$param = $wgRequest->getText('param');
wfDebugLog(basename(__FILE__, ".php"), __METHOD__ . ': ' . "Parameters: {$param}");
// build the page
$html = "";
if ($this->multiAuthPlugin->isLoggedIn()) {
// login success
$html .= "<p>" . wfMsg('msg_loginSuccess') . "</p>\n";
} else {
if (isset($_GET['method']) && $this->multiAuthPlugin->isValidMethod($_GET['method'])) {
$this->initLogin($_GET['method']);
// the above function will issue a redirect
} else {
if (!is_null($this->multiAuthPlugin->getCurrentMethodName()) && $this->multiAuthPlugin->getCurrentMethodName() != 'local') {
// external authentication success but not authorized
$html .= "<p>" . wfMsg('msg_notAuthorized') . "</p>\n";
unset($_SESSION['MA_methodName']);
} else {
$this->addLoginLinks($html);
}
}
}
$wgOut->addHTML($html);
$wgOut->returnToMain();
}
/**
* This function is called if the special page is accessed
* inspired by @see includes/special/SpecialUserlogout.php
* @param $par parameters
* @see includes/SpecialPage.php
*/
function execute($par)
{
global $wgRequest, $wgOut, $wgUser;
$this->setHeaders();
$param = $wgRequest->getText('param');
// build the page
$html = "";
if (!$this->multiAuthPlugin->isLoggedIn()) {
// check if we should be redirected to an external URL after complete logout
if ($this->multiAuthPlugin->config['internal']['redirectAfterLogoutComplete'] != '') {
// do the redirect
header('Location: ' . $this->multiAuthPlugin->config['internal']['redirectAfterLogoutComplete']);
exit;
// Stop execution here
} else {
$html .= "<p>" . wfMsg('msg_logoutSuccess') . "</p>\n";
}
} else {
// get information about the currently active authentication method
$currentMethodName = $this->multiAuthPlugin->getCurrentMethodName();
if (!empty($currentMethodName) && $currentMethodName != 'local') {
$this->doExternalLogout($html);
} else {
$this->doLocalLogout($html);
}
}
$wgOut->addHTML($html);
$wgOut->returnToMain();
}
/**
* Initiates a two-stage logout process.
* At first the external logout URL is called for external logout.
* After return to this logout page a local logout is performed additionally.
* @param string $html the variable containing the HTML code for the page
*/
private function doExternalLogout(&$html)
{
global $wgUser;
$oldName = $wgUser->getName();
$currentMethod = $this->multiAuthPlugin->getCurrentMethod();
$currentMethodName = $this->multiAuthPlugin->getCurrentMethodName();
$libName = $this->multiAuthPlugin->getCurrentAuthLib();
// first: local
$success = $this->multiAuthPlugin->logout();
if ($success) {
// finish off the local logout
wfRunHooks('UserLogoutComplete', array(&$wgUser, &$injectedHtml, $oldName));
$return_url = $this->buildReturnURL($currentMethodName);
wfDebugLog('MultiAuthPlugin', __METHOD__ . ': ' . ': ' . "authLib = {$libName}");
// second: external
switch ($libName) {
case 'simplesamlphp':
$ssphpPath = $this->multiAuthPlugin->config['paths']['libs']['simplesamlphp'];
require_once $ssphpPath . "/lib/_autoload.php";
$as = new SimpleSAML_Auth_Simple($currentMethod['auth']['spentityid']);
wfDebugLog('MultiAuthPlugin', __METHOD__ . ': ' . ': ' . "Redirecting to SLO logout process: [SimpleSamlPHP] ReturnTo = {$return_url}");
$as->logout(array('ReturnTo' => $return_url));
exit;
// no execution past here!
break;
default:
// prepare data
$link = $currentMethod['logout'];
$link_text = $link['text'];
$link_href = $link['href'];
// build the logout url
if (strstr($link_href, '{RETURN_URL}')) {
$link_href = str_replace('{RETURN_URL}', wfUrlencode($return_url), $link_href);
}
wfDebugLog('MultiAuthPlugin', __METHOD__ . ': ' . "Redirecting to SLO login process: [URL] {$link_href}");
header("Location: " . $target);
exit;
break;
}
} else {
$html .= "<p>" . wfMsg('multiauthspeciallogout-msg_logoutFailure') . "</p>\n";
return false;
}
}
