.
*
*/
namespace Friendica\Module\Special;
use Friendica\App\Arguments;
use Friendica\App\Request;
use Friendica\Core\L10n;
use Friendica\Core\Renderer;
use Friendica\Core\Session\Model\UserSession;
use Friendica\Core\System;
use Psr\Log\LoggerInterface;
/**
* This special module displays HTTPException when they are thrown in modules.
*
* @package Friendica\Module\Special
*/
class HTTPException
{
/** @var L10n */
protected $l10n;
/** @var LoggerInterface */
protected $logger;
/** @var Arguments */
protected $args;
/** @var bool */
protected $isSiteAdmin;
/** @var array */
protected $server;
/** @var string */
protected $requestId;
public function __construct(L10n $l10n, LoggerInterface $logger, Arguments $args, UserSession $session, Request $request, array $server = [])
{
$this->logger = $logger;
$this->l10n = $l10n;
$this->args = $args;
$this->isSiteAdmin = $session->isSiteAdmin();
$this->server = $server;
$this->requestId = $request->getRequestId();
}
/**
* Generates the necessary template variables from the caught HTTPException.
*
* Fills in the blanks if title or descriptions aren't provided by the exception.
*
* @param \Friendica\Network\HTTPException $e
*
* @return array ['$title' => ..., '$description' => ...]
*/
private function getVars(\Friendica\Network\HTTPException $e)
{
// Explanations are mostly taken from https://en.wikipedia.org/wiki/List_of_HTTP_status_codes
$vars = [
'$title' => $e->getDescription() ?: 'Error ' . $e->getCode(),
'$message' => $e->getMessage() ?: $e->getExplanation(),
'$back' => $this->l10n->t('Go back'),
'$stack_trace' => $this->l10n->t('Stack trace:'),
'$request_id' => $this->requestId,
];
if ($this->isSiteAdmin) {
$vars['$thrown'] = $this->l10n->t('Exception thrown in %s:%d', $e->getFile(), $e->getLine());
$vars['$trace'] = $e->getTraceAsString();
}
return $vars;
}
/**
* Displays a bare message page with no theming at all.
*
* @param \Friendica\Network\HTTPException $e
*
* @throws \Exception
*/
public function rawContent(\Friendica\Network\HTTPException $e)
{
$content = '';
if ($e->getCode() >= 400) {
$vars = $this->getVars($e);
try {
$tpl = Renderer::getMarkupTemplate('http_status.tpl');
$content = Renderer::replaceMacros($tpl, $vars);
} catch (\Exception $e) {
$content = "{$vars['$title']}
{$vars['$message']}
";
if ($this->isSiteAdmin) {
$content .= "{$vars['$thrown']}
";
$content .= "{$vars['$trace']}";
}
}
}
System::httpError($e->getCode(), $e->getDescription(), $content);
}
/**
* Returns a content string that can be integrated in the current theme.
*
* @param \Friendica\Network\HTTPException $e
*
* @return string
* @throws \Exception
*/
public function content(\Friendica\Network\HTTPException $e): string
{
header($this->server['SERVER_PROTOCOL'] ?? 'HTTP/1.0' . ' ' . $e->getCode() . ' ' . $e->getDescription());
if ($e->getCode() >= 400) {
$this->logger->debug('Exit with error',
[
'code' => $e->getCode(),
'description' => $e->getDescription(),
'query' => $this->args->getQueryString(),
'callstack' => System::callstack(20),
'method' => $this->args->getMethod(),
'agent' => $this->server['HTTP_USER_AGENT'] ?? ''
]);
}
$tpl = Renderer::getMarkupTemplate('exception.tpl');
return Renderer::replaceMacros($tpl, $this->getVars($e));
}
}