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