/**
* For internal use only.
*/
public function _runPieCrustRequest(\StupidHttp_HandlerContext $context)
{
$startTime = microtime(true);
// Things like the plugin loader will add paths to the PHP include path.
// Let's save it and restore it later.
$includePath = get_include_path();
// Run PieCrust dynamically.
$pieCrustException = null;
try {
$params = PieCrustRunner::getPieCrustParameters(array('root' => $this->rootDir, 'cache' => $this->options['cache']), $context->getRequest()->getServerVariables());
$pieCrust = new PieCrust($params);
$pieCrust->getConfig()->setValue('server/is_hosting', true);
$pieCrust->getConfig()->setValue('site/cache_time', false);
$pieCrust->getConfig()->setValue('site/pretty_urls', true);
$pieCrust->getConfig()->setValue('site/root', '/');
if ($this->options['debug']) {
$pieCrust->getConfig()->setValue('site/display_errors', true);
}
} catch (Exception $e) {
// Error while setting up PieCrust.
$pieCrustException = $e;
}
// If there was no error setting up the application, see if there was
// an error in the last pre-bake.
if ($pieCrustException == null) {
$pieCrustException = $this->bakeError;
$this->bakeError = null;
}
// If there was no error so far, run the current request.
$headers = array();
if ($pieCrustException == null) {
try {
$runner = new PieCrustRunner($pieCrust);
$runner->runUnsafe(null, $context->getRequest()->getServerVariables(), null, $headers);
} catch (Exception $e) {
// Error while running the request.
$pieCrustException = $e;
}
}
// Set the return HTTP status code.
$code = 500;
if (isset($headers[0])) {
// The HTTP return code is set by PieCrust in the '0'-th header (if
// set at all).
$code = $headers[0];
unset($headers[0]);
// Unset so we can iterate on headers more easily later.
} else {
$code = $pieCrustException == null ? 200 : ($pieCrustException->getMessage() == '404' ? 404 : 500);
}
$context->getResponse()->setStatus($code);
// Set the headers.
foreach ($headers as $h => $v) {
$context->getResponse()->setHeader($h, $v);
}
// Show an error message, if needed.
if ($pieCrustException) {
$headers = array();
$handler = new PieCrustErrorHandler($pieCrust);
$handler->handleError($pieCrustException, null, $headers);
}
// Restore the include path.
set_include_path($includePath);
$endTime = microtime(true);
$timeSpan = microtime(true) - $startTime;
$context->getLog()->debug("Ran PieCrust request in " . $timeSpan * 1000 . "ms.");
if ($pieCrustException != null) {
$context->getLog()->error($pieCrustException->getMessage());
}
}
/**
* Handles an exception by showing an appropriate
* error page.
*/
public function handleError(Exception $e, $server = null, array &$headers = null)
{
$displayErrors = $this->pieCrust->isDebuggingEnabled() || $this->pieCrust->getConfig()->getValue('site/display_errors');
// If debugging is enabled, just display the error and exit.
if ($displayErrors) {
if ($e->getMessage() == '404') {
//TODO: set header?
piecrust_show_system_message('404');
return;
}
$errorMessage = self::formatException($e, true);
piecrust_show_system_message('error', $errorMessage);
return;
}
// First of all, check that we're not running
// some completely brand new and un-configured website.
if ($this->isEmptySetup()) {
piecrust_show_system_message('welcome');
return;
}
// Generic error message in case we don't have anything custom.
$errorMessage = "<p>We're sorry but something very wrong happened, and we don't know what. " . "We'll try to do better next time.</p>" . PHP_EOL;
// Get the URI to the custom error page, and the error code.
if ($e->getMessage() == '404') {
HttpHeaderHelper::setOrAddHeader(0, 404, $headers);
$errorPageUri = '_404';
} else {
HttpHeaderHelper::setOrAddHeader(0, 500, $headers);
$errorPageUri = '_error';
}
// Get the error page's info.
try {
$errorPageUriInfo = UriParser::parseUri($this->pieCrust, $errorPageUri, UriParser::PAGE_URI_REGULAR);
} catch (Exception $inner) {
// What the f**k.
piecrust_show_system_message('critical', $errorMessage);
return;
}
// Render the error page (either a custom one, or a generic one).
if ($errorPageUriInfo != null and is_file($errorPageUriInfo['path'])) {
// We have a custom error page. Show it, or display
// the "fatal error" page if even this doesn't work.
try {
$runner = new PieCrustRunner($this->pieCrust);
$runner->runUnsafe($errorPageUri, $server, null, $headers);
} catch (Exception $inner) {
// Well there's really something wrong.
piecrust_show_system_message('critical', $errorMessage);
}
} else {
// We don't have a custom error page. Just show the generic
// error page.
$errorMessage = self::formatException($e, false);
piecrust_show_system_message(substr($errorPageUri, 1), $errorMessage);
}
}
