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<?php
/**
* Server error action.
*
* PHP version 5
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Zach Copley <zach@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/lib/error.php';
/**
* Class for displaying HTTP server errors
*
* Note: The older util.php class simply printed a string, but the spec
* says that 500 errors should be treated similarly to 400 errors, and
* it's easier to give an HTML response. Maybe we can customize these
* to display some funny animal cartoons. If not, we can probably role
* these classes up into a single class.
*
* See: http://tools.ietf.org/html/rfc2616#section-10
*
* @category Action
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*/
class ServerErrorAction extends ErrorAction
{
static $status = array(500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Timeout',
505 => 'HTTP Version Not Supported');
function __construct($message='Error', $code=500, $ex=null)
{
parent::__construct($message, $code);
$this->default = 500;
// Server errors must be logged.
$log = "ServerErrorAction: $code $message";
if ($ex) {
$log .= "\n" . $ex->getTraceAsString();
}
common_log(LOG_ERR, $log);
}
// XXX: Should these error actions even be invokable via URI?
function handle($args)
{
parent::handle($args);
$this->code = $this->trimmed('code');
if (!$this->code || $code < 500 || $code > 599) {
$this->code = $this->default;
}
$this->message = $this->trimmed('message');
if (!$this->message) {
$this->message = "Server Error $this->code";
}
$this->showPage();
}
/**
* To specify additional HTTP headers for the action
*
* @return void
*/
function extraHeaders()
{
$status_string = @self::$status[$this->code];
header('HTTP/1.1 '.$this->code.' '.$status_string);
}
/**
* Page title.
*
* @return page title
*/
function title()
{
return @self::$status[$this->code];
}
}
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