/**
* 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;
}
}
/**
* 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();
// prepare data for external logout
$currentMethod = $this->multiAuthPlugin->getCurrentMethod();
$link = $currentMethod['logout'];
$link_text = $link['text'];
$link_href = $link['href'];
if ($this->multiAuthPlugin->config['internal']['authMode'] == 'lazy') {
// we can come back to MW
$local_href = SpecialPage::getTitleFor('MultiAuthSpecialLogout')->escapeLocalURL();
} else {
// we won't be able to come back to MW because of access restrictions
$local_href = isset($this->multiAuthPlugin->config['internal']['strictLogoutTarget']) ? $this->multiAuthPlugin->config['internal']['strictLogoutTarget'] : '';
}
// build the logout url
if (strstr($link_href, '{RETURN_URL}')) {
$return_url = $local_href;
if (strstr($return_url, '{RETURN_URL}') && isset($_REQUEST['returnto'])) {
$return_url = str_replace('{RETURN_URL}', $_REQUEST['returnto'], $return_url);
}
$link_href = str_replace('{RETURN_URL}', wfUrlencode($return_url), $link_href);
}
// first: local
$success = $this->multiAuthPlugin->logout();
if ($success) {
// finish off the local logout
wfRunHooks('UserLogoutComplete', array(&$wgUser, &$injectedHtml, $oldName));
// second: external
wfDebugLog('MultiAuthPlugin', __METHOD__ . ': ' . "Initiating external logout process (" . $link_href . ").");
header("Location: " . $link_href);
exit;
// no execution past here!
} else {
$html .= "<p>" . wfMsg('msg_logoutFailure') . "</p>\n";
return false;
}
}
