function _GalleryMain_errorHandler($error, $g2Data = null, $initOk = true)
{
global $gallery;
$failsafe = false;
if (!$initOk) {
$failsafe = true;
}
if (!$failsafe) {
list($ret, $themeId) = GalleryCoreApi::getPluginParameter('module', 'core', 'default.theme');
if ($ret) {
$failsafe = true;
}
}
if (!$failsafe) {
list($ret, $theme) = GalleryCoreApi::loadPlugin('theme', $themeId);
if ($ret) {
$failsafe = true;
}
$templateAdapter =& $gallery->getTemplateAdapter();
$templateAdapter->setTheme($theme);
}
if (!$failsafe) {
list($ret, $view) = GalleryView::loadView('core.ErrorPage');
if ($ret) {
$failsafe = true;
}
}
if (!$failsafe) {
$dummyForm = array();
GalleryCoreApi::requireOnce('modules/core/classes/GalleryTemplate.class');
$template = new GalleryTemplate(dirname(__FILE__));
$view->setError($error);
list($ret, $results) = $view->loadTemplate($template, $dummyForm);
if ($ret) {
$failsafe = true;
}
$t =& $template->getVariableByReference('theme');
$t['errorTemplate'] = $results['body'];
}
if (!$failsafe) {
$template->setVariable('l10Domain', 'modules_core');
list($ret, $templatePath) = $theme->showErrorPage($template);
if ($ret) {
$failsafe = true;
}
}
if (!$failsafe) {
$template->setVariable('l10Domain', 'themes_' . $themeId);
$ret = $template->display("themes/{$themeId}/templates/{$templatePath}");
if ($ret) {
$failsafe = true;
}
}
if ($failsafe) {
/* Some kind of catastrophic failure. Just dump the error out to the browser. */
print '<h2>Error</h2>' . $error->getAsHtml(false);
if ($gallery->getDebug() == 'buffered') {
print '<h3>Debug Output</h3><pre>' . $gallery->getDebugBuffer() . '</pre>';
}
return;
}
}
/**
* Return the version of Gallery 2 (eg "2.3")
*/
static function version()
{
$core = g2(GalleryCoreApi::loadPlugin("module", "core"));
$versions = $core->getInstalledVersions();
return $versions["gallery"];
}
/**
* Process our request.
* @return array GalleryStatus a status code
* array
*/
function _GalleryMain($embedded = false, $template = null)
{
global $gallery;
$urlGenerator =& $gallery->getUrlGenerator();
/* Figure out the target view/controller */
list($controllerName, $viewName) = GalleryUtilities::getRequestVariables('controller', 'view');
$controllerName = is_string($controllerName) ? $controllerName : null;
$viewName = is_string($viewName) ? $viewName : null;
$gallery->debug("controller {$controllerName}, view {$viewName}");
/* Check if core module needs upgrading */
list($ret, $core) = GalleryCoreApi::loadPlugin('module', 'core', true);
if ($ret) {
return array($ret, null);
}
$installedVersions = $core->getInstalledVersions();
if ($installedVersions['core'] != $core->getVersion()) {
if ($redirectUrl = @$gallery->getConfig('mode.maintenance')) {
/* Maintenance mode - redirect if given URL, else simple message */
if ($redirectUrl === true) {
header('Content-Type: text/html; charset=UTF-8');
print $core->translate('Site is temporarily down for maintenance.');
exit;
}
} else {
$gallery->debug('Redirect to the upgrade wizard, core module version is out of date');
$redirectUrl = $urlGenerator->getCurrentUrlDir(true) . 'upgrade/index.php';
}
list($ignored, $results) = _GalleryMain_doRedirect($redirectUrl, null, null, true);
return array(null, $results);
}
$ret = GalleryInitSecondPass();
if ($ret) {
return array($ret, null);
}
/* Load and run the appropriate controller */
$results = array();
if (!empty($controllerName)) {
GalleryCoreApi::requireOnce('modules/core/classes/GalleryController.class');
list($ret, $controller) = GalleryController::loadController($controllerName);
if ($ret) {
return array($ret, null);
}
if (!$embedded && $gallery->getConfig('mode.embed.only') && !$controller->isAllowedInEmbedOnly()) {
/* Lock out direct access when embed-only is set */
if (($redirectUrl = $gallery->getConfig('mode.embed.only')) === true) {
return array(GalleryCoreApi::error(ERROR_PERMISSION_DENIED), null);
}
list($ignored, $results) = _GalleryMain_doRedirect($redirectUrl, null, null, true);
return array(null, $results);
}
if ($gallery->getConfig('mode.maintenance') && !$controller->isAllowedInMaintenance()) {
/* Maintenance mode - allow admins, else redirect to given or standard URL */
list($ret, $isAdmin) = GalleryCoreApi::isUserInSiteAdminGroup();
if ($ret) {
return array($ret, null);
}
if (!$isAdmin) {
if (($redirectUrl = $gallery->getConfig('mode.maintenance')) === true) {
$redirectUrl = $urlGenerator->generateUrl(array('view' => 'core.MaintenanceMode'), array('forceFullUrl' => true));
}
list($ignored, $results) = _GalleryMain_doRedirect($redirectUrl, null, null, true);
return array(null, $results);
}
}
/* Get our form and return variables */
$form = GalleryUtilities::getFormVariables('form');
/* Verify the genuineness of the request */
if (!$controller->omitAuthTokenCheck()) {
$ret = GalleryController::assertIsGenuineRequest();
if ($ret) {
return array($ret, null);
}
}
/* Let the controller handle the input */
list($ret, $results) = $controller->handleRequest($form);
if ($ret) {
list($ret, $results) = $controller->permissionCheck($ret);
if ($ret) {
return array($ret, null);
}
}
/* Check to make sure we got back everything we want */
if (!isset($results['status']) || !isset($results['error']) || !isset($results['redirect']) && !isset($results['delegate']) && !isset($results['return'])) {
return array(GalleryCoreApi::error(ERROR_BAD_PARAMETER, __FILE__, __LINE__, 'Controller results are missing status, error, (redirect, delegate, return)'), null);
}
/* Try to return if the controller instructs it */
if (!empty($results['return'])) {
$redirectUrl = GalleryUtilities::getRequestVariables('return');
if (empty($redirectUrl)) {
$redirectUrl = GalleryUtilities::getRequestVariables('formUrl');
}
}
/* Failing that, redirect if so instructed */
if (empty($redirectUrl) && !empty($results['redirect'])) {
/* If we have a status, store its data in the session */
if (!empty($results['status'])) {
$session =& $gallery->getSession();
$session->putStatus($results['status']);
}
$urlToGenerate = $results['redirect'];
$redirectUrl = $urlGenerator->generateUrl($urlToGenerate, array('forceFullUrl' => true));
}
/* If we have a redirect URL use it */
if (!empty($redirectUrl)) {
return _GalleryMain_doRedirect($redirectUrl, null, $controllerName);
}
/* Let the controller specify the next view */
if (!empty($results['delegate'])) {
/* Load any errors into the request */
if (!empty($results['error'])) {
foreach ($results['error'] as $error) {
GalleryUtilities::putRequestVariable($error, 1);
}
}
/* Save the view name, put the rest into the request so the view can get it */
foreach ($results['delegate'] as $key => $value) {
switch ($key) {
case 'view':
$viewName = $value;
break;
default:
GalleryUtilities::putRequestVariable($key, $value);
break;
}
}
}
}
/* Load and run the appropriate view */
if (empty($viewName)) {
$viewName = GALLERY_DEFAULT_VIEW;
GalleryUtilities::putRequestVariable('view', $viewName);
}
list($ret, $view) = GalleryView::loadView($viewName);
if ($ret) {
return array($ret, null);
}
if ($gallery->getConfig('mode.maintenance') && !$view->isAllowedInMaintenance()) {
/* Maintenance mode - allow admins, else redirect to given url or show standard view */
list($ret, $isAdmin) = GalleryCoreApi::isUserInSiteAdminGroup();
if ($ret) {
return array($ret, null);
}
if (!$isAdmin) {
if (($redirectUrl = $gallery->getConfig('mode.maintenance')) !== true) {
list($ignored, $results) = _GalleryMain_doRedirect($redirectUrl, null, null, true);
return array(null, $results);
}
$viewName = 'core.MaintenanceMode';
list($ret, $view) = GalleryView::loadView($viewName);
if ($ret) {
return array($ret, null);
}
}
}
if (!$embedded && $gallery->getConfig('mode.embed.only') && !$view->isAllowedInEmbedOnly()) {
/* Lock out direct access when embed-only is set */
if (($redirectUrl = $gallery->getConfig('mode.embed.only')) === true) {
return array(GalleryCoreApi::error(ERROR_PERMISSION_DENIED), null);
}
return _GalleryMain_doRedirect($redirectUrl);
}
/* Check if the page is cached and return the cached version, else generate the page */
list($ret, $shouldCache) = GalleryDataCache::shouldCache('read', 'full');
if ($ret) {
return array($ret, null);
}
$html = '';
if ($shouldCache) {
$session =& $gallery->getSession();
list($ret, $html) = GalleryDataCache::getPageData('page', $urlGenerator->getCacheableUrl());
if ($ret) {
return array($ret, null);
}
if (!empty($html) && $embedded) {
/* Also get the theme data */
list($ret, $themeData) = GalleryDataCache::getPageData('theme', $urlGenerator->getCacheableUrl());
if ($ret) {
return array($ret, null);
}
}
}
if (!empty($html) && (!$embedded || !empty($themeData))) {
/* TODO: If we cache all the headers and replay them here, we could send a 304 back */
$session =& $gallery->getSession();
if (!$embedded) {
/* Set the appropriate charset in our HTTP header */
if (!headers_sent()) {
header('Content-Type: text/html; charset=UTF-8');
}
print $session->replaceTempSessionIdIfNecessary($html);
$data['isDone'] = true;
} else {
$html = unserialize($html);
$themeData = unserialize($themeData);
$data = $session->replaceSessionIdInData($html);
$data['themeData'] = $session->replaceSessionIdInData($themeData);
$data['isDone'] = false;
}
} else {
/* Initialize our container for template data */
$gallery->setCurrentView($viewName);
if ($view->isControllerLike()) {
/* Verify the genuineness of the request */
$ret = GalleryController::assertIsGenuineRequest();
if ($ret) {
return array($ret, null);
}
}
/* If we render directly to the browser, we need a session before, or no session at all */
if ($view->isImmediate() || $viewName == 'core.ProgressBar') {
/*
* Session: Find out whether we need to send a cookie & get a new sessionId and save it
* (make sure there's a sessionId before starting to render, but only if we need a
* session)
*/
$session =& $gallery->getSession();
$ret = $session->start();
if ($ret) {
return array($ret, null);
}
/* From now on, don't add sessionId to URLs if there's no persistent session */
$session->doNotUseTempId();
}
/*
* If this is an immediate view, it will send its own output directly. This is used in the
* situation where we want to send back data that's not controlled by the layout. That's
* usually something that's not user-visible like a binary file.
*/
$data = array();
if ($view->isImmediate()) {
if ($view->autoCacheControl()) {
/* r17660 removed the default on the $template parameter */
$null = null;
$ret = $view->setCacheControl($null);
if ($ret) {
return array($ret, null);
}
}
$status = isset($results['status']) ? $results['status'] : array();
$error = isset($results['error']) ? $results['error'] : array();
$ret = $view->renderImmediate($status, $error);
if ($ret) {
list($ret2, $inGroup) = GalleryCoreApi::isUserInSiteAdminGroup();
if ($ret->getErrorCode() & ERROR_MISSING_OBJECT && ($ret2 || !$inGroup)) {
/* Normalize error to GalleryView::_permissionCheck() */
$ret->addErrorCode(ERROR_PERMISSION_DENIED);
}
return array($ret, null);
}
$data['isDone'] = true;
} else {
if (!isset($template)) {
GalleryCoreApi::requireOnce('modules/core/classes/GalleryTemplate.class');
$template = new GalleryTemplate(dirname(__FILE__));
}
list($ret, $results, $theme) = $view->doLoadTemplate($template);
if ($ret) {
list($ret, $results) = $view->_permissionCheck($ret);
if ($ret) {
return array($ret, null);
}
}
if (isset($results['redirect']) || isset($results['redirectUrl'])) {
if (isset($results['redirectUrl'])) {
$redirectUrl = $results['redirectUrl'];
} else {
$redirectUrl = $urlGenerator->generateUrl($results['redirect'], array('forceFullUrl' => true));
}
return _GalleryMain_doRedirect($redirectUrl, $template);
}
if (empty($results['body'])) {
return array(GalleryCoreApi::error(ERROR_BAD_PARAMETER, __FILE__, __LINE__, 'View results are missing body file'), null);
}
$templatePath = 'gallery:' . $results['body'];
$template->setVariable('l10Domain', $theme->getL10Domain());
$template->setVariable('isEmbedded', $embedded);
if ($viewName == 'core.ProgressBar') {
@ini_set('output_buffering', '0');
/**
* Try to prevent Apache's mod_deflate from gzipping the output since that
* can interfere with streamed output.
*/
if (function_exists('apache_setenv') && !@$gallery->getConfig('apacheSetenvBroken')) {
@apache_setenv('no-gzip', '1');
}
/* Render progress bar pages immediately so that the user sees the bar moving */
$ret = $template->display($templatePath);
if ($ret) {
return array($ret, null);
}
$data['isDone'] = true;
} else {
$event = GalleryCoreApi::newEvent('Gallery::BeforeDisplay');
$event->setEntity($template);
$event->setData(array('templatePath' => $templatePath, 'view' => $view));
list($ret, $ignored) = GalleryCoreApi::postEvent($event);
if ($ret) {
return array($ret, null);
}
list($ret, $html) = $template->fetch($templatePath);
if ($ret) {
return array($ret, null);
}
/*
* Session: Find out whether we need to send a cookie & need a new session (only if
* we don't have one yet)
*/
$session =& $gallery->getSession();
$ret = $session->start();
if ($ret) {
return array($ret, null);
}
list($ret, $shouldCache) = GalleryDataCache::shouldCache('write', 'full');
if ($ret) {
return array($ret, null);
}
if ($embedded) {
$html = $theme->splitHtml($html, $results);
}
if ($shouldCache && $results['cacheable']) {
$htmlForCache = $html;
if ($embedded) {
$themeDataForCache = $template->getVariable('theme');
}
}
if ($embedded) {
$data = $session->replaceSessionIdInData($html);
$data['themeData'] =& $template->getVariableByReference('theme');
$data['themeData'] = $session->replaceSessionIdInData($data['themeData']);
$data['isDone'] = false;
} else {
/* Set the appropriate charset in our HTTP header */
if (!headers_sent()) {
header('Content-Type: text/html; charset=UTF-8');
}
print $session->replaceTempSessionIdIfNecessary($html);
$data['isDone'] = true;
}
if ($shouldCache && $results['cacheable']) {
$session =& $gallery->getSession();
$cacheKey = $urlGenerator->getCacheableUrl();
$sessionId = $session->getId();
if (!empty($sessionId) && $sessionId != SESSION_TEMP_ID) {
$htmlForCache = $session->replaceSessionIdInData($htmlForCache, $sessionId, SESSION_TEMP_ID);
if ($embedded) {
$data['themeData'] = $session->replaceSessionIdInData($data['themeData'], $sessionId, SESSION_TEMP_ID);
}
}
if ($embedded) {
$htmlForCache = serialize($htmlForCache);
$ret = GalleryDataCache::putPageData('theme', $results['cacheable'], $cacheKey, serialize($data['themeData']));
if ($ret) {
return array($ret, null);
}
}
$ret = GalleryDataCache::putPageData('page', $results['cacheable'], $cacheKey, $htmlForCache);
if ($ret) {
return array($ret, null);
}
}
}
}
}
return array(null, $data);
}