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-rw-r--r--application/controllers/ErrorController.php158
1 files changed, 158 insertions, 0 deletions
diff --git a/application/controllers/ErrorController.php b/application/controllers/ErrorController.php
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+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Controllers;
+
+use Icinga\Exception\IcingaException;
+use Zend_Controller_Plugin_ErrorHandler;
+use Icinga\Application\Icinga;
+use Icinga\Application\Logger;
+use Icinga\Exception\Http\HttpExceptionInterface;
+use Icinga\Exception\MissingParameterException;
+use Icinga\Security\SecurityException;
+use Icinga\Web\Controller\ActionController;
+use Icinga\Web\Url;
+
+/**
+ * Application wide controller for displaying exceptions
+ */
+class ErrorController extends ActionController
+{
+ /**
+ * Regular expression to match exceptions resulting from missing functions/classes
+ */
+ const MISSING_DEP_ERROR =
+ "/Uncaught Error:.*(?:undefined function (\S+)|Class ['\"]([^']+)['\"] not found).* in ([^:]+)/";
+
+ /**
+ * {@inheritdoc}
+ */
+ protected $requiresAuthentication = false;
+
+ /**
+ * {@inheritdoc}
+ */
+ public function init()
+ {
+ $this->rerenderLayout = $this->params->has('renderLayout');
+ }
+
+ /**
+ * Display exception
+ */
+ public function errorAction()
+ {
+ $error = $this->_getParam('error_handler');
+ $exception = $error->exception;
+ /** @var \Exception $exception */
+
+ if (! ($isAuthenticated = $this->Auth()->isAuthenticated())) {
+ $this->innerLayout = 'guest-error';
+ }
+
+ $modules = Icinga::app()->getModuleManager();
+ $sourcePath = ltrim($this->_request->get('PATH_INFO'), '/');
+ $pathParts = preg_split('~/~', $sourcePath);
+ $moduleName = array_shift($pathParts);
+
+ $module = null;
+ switch ($error->type) {
+ case Zend_Controller_Plugin_ErrorHandler::EXCEPTION_NO_ROUTE:
+ case Zend_Controller_Plugin_ErrorHandler::EXCEPTION_NO_CONTROLLER:
+ case Zend_Controller_Plugin_ErrorHandler::EXCEPTION_NO_ACTION:
+ $this->getResponse()->setHttpResponseCode(404);
+ $this->view->messages = array($this->translate('Page not found.'));
+ if ($isAuthenticated) {
+ if ($modules->hasInstalled($moduleName) && ! $modules->hasEnabled($moduleName)) {
+ $this->view->messages[0] .= ' ' . sprintf(
+ $this->translate('Enabling the "%s" module might help!'),
+ $moduleName
+ );
+ }
+ }
+
+ break;
+ default:
+ switch (true) {
+ case $exception instanceof HttpExceptionInterface:
+ $this->getResponse()->setHttpResponseCode($exception->getStatusCode());
+ foreach ($exception->getHeaders() as $name => $value) {
+ $this->getResponse()->setHeader($name, $value, true);
+ }
+ break;
+ case $exception instanceof MissingParameterException:
+ $this->getResponse()->setHttpResponseCode(400);
+ $this->getResponse()->setHeader(
+ 'X-Status-Reason',
+ 'Missing parameter ' . $exception->getParameter()
+ );
+ break;
+ case $exception instanceof SecurityException:
+ $this->getResponse()->setHttpResponseCode(403);
+ break;
+ default:
+ $this->getResponse()->setHttpResponseCode(500);
+ $module = $modules->hasLoaded($moduleName) ? $modules->getModule($moduleName) : null;
+ Logger::error("%s\n%s", $exception, IcingaException::getConfidentialTraceAsString($exception));
+ break;
+ }
+
+ // Try to narrow down why the request has failed
+ if (preg_match(self::MISSING_DEP_ERROR, $exception->getMessage(), $match)) {
+ $sourcePath = $match[3];
+ foreach ($modules->listLoadedModules() as $name) {
+ $candidate = $modules->getModule($name);
+ $modulePath = $candidate->getBaseDir();
+ if (substr($sourcePath, 0, strlen($modulePath)) === $modulePath) {
+ $module = $candidate;
+ break;
+ }
+ }
+
+ if (preg_match('/^(?:Icinga\\\Module\\\(\w+)|(\w+)\\\(\w+))/', $match[1] ?: $match[2], $natch)) {
+ $this->view->requiredModule = isset($natch[1]) ? strtolower($natch[1]) : null;
+ $this->view->requiredVendor = isset($natch[2]) ? $natch[2] : null;
+ $this->view->requiredProject = isset($natch[3]) ? $natch[3] : null;
+ }
+ }
+
+ $this->view->messages = array();
+
+ if ($this->getInvokeArg('displayExceptions')) {
+ $this->view->stackTraces = array();
+
+ do {
+ $this->view->messages[] = $exception->getMessage();
+ $this->view->stackTraces[] = IcingaException::getConfidentialTraceAsString($exception);
+ $exception = $exception->getPrevious();
+ } while ($exception !== null);
+ } else {
+ do {
+ $this->view->messages[] = $exception->getMessage();
+ $exception = $exception->getPrevious();
+ } while ($exception !== null);
+ }
+
+ break;
+ }
+
+ if ($this->getRequest()->isApiRequest()) {
+ $this->getResponse()->json()
+ ->setErrorMessage($this->view->messages[0])
+ ->sendResponse();
+ }
+
+ $this->view->module = $module;
+ $this->view->request = $error->request;
+ if (! $isAuthenticated) {
+ $this->view->hideControls = true;
+ } else {
+ $this->view->hideControls = false;
+ $this->getTabs()->add('error', array(
+ 'active' => true,
+ 'label' => $this->translate('Error'),
+ 'url' => Url::fromRequest()
+ ));
+ }
+ }
+}