133 lines
3.3 KiB
PHP
133 lines
3.3 KiB
PHP
<?php
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/**
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* http.php
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* Common http operations such as redirects, etc.
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*
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* Description
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* @package Singularity Crash Processor
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* @author Latif Khalifa <latifer@streamgrid.net>
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* @copyright Copyright © 2012, Latif Khalifa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to permit
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* persons to whom the Software is furnished to do so, subject to the
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* following conditions:
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*
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* - The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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class http
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{
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public static function redirectAbsolute($url)
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{
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Header("Location: $url");
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Header("HTTP/1.0 302 Found");
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print "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">
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<HTML><HEAD>
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<TITLE>302 Found</TITLE>
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</HEAD><BODY>
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<H1>Found</H1>
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The document was found <A HREF=\"$url\">here</A>.<P>
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</BODY></HTML>
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";
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exit;
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}
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public static function redirect($url)
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{
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http::redirectAbsolute(URL_ROOT . $url);
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}
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public static function notFound()
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{
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header("HTTP/1.1 404 Not Found");
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print "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">
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<HTML><HEAD>
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<TITLE>404 Not Found</TITLE>
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</HEAD><BODY>
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<H1>Not Found</H1>
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The requested URL was not found on this server.<P>
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<HR>
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<ADDRESS>{$_SERVER['SERVER_SIGNATURE']}</ADDRESS>
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</BODY></HTML>
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";
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exit;
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}
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public static function notAllowed()
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{
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header("HTTP/1.1 405 Method Not Allowed");
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print "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">
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<HTML><HEAD>
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<TITLE>405 Method Not Allowed</TITLE>
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</HEAD><BODY>
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<H1>Method Not Allowed</H1>
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The requested HTTP method is not allowed for this URL.<P>
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<HR>
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<ADDRESS>{$_SERVER['SERVER_SIGNATURE']}</ADDRESS>
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</BODY></HTML>
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";
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exit;
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}
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public static function notModified()
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{
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header("HTTP/1.1 304 Not Modified");
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print "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">
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<HTML><HEAD>
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<TITLE>304 Not Modified</TITLE>
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</HEAD><BODY>
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<H1>Not Modified</H1>
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The requested URL has not been modified.<P>
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<HR>
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<ADDRESS>{$_SERVER['SERVER_SIGNATURE']}</ADDRESS>
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</BODY></HTML>
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";
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exit;
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}
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public static function noCache()
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{
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header("Expires: Mon, 21 Jan 1980 06:01:01 GMT");
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header("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
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header("Pragma: no-cache");
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}
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/**
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* Send data for download.
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*
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* @param string $filename
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* @param string $data
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*/
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public static function sendDownload($filename, $data)
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{
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header('Content-disposition: attachment; filename=' . urlencode($filename));
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echo $data;
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}
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}
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: sw=4 ts=4 fdm=marker
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* vim<600: sw=4 ts=4
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*/
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?>
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