4 +-----------------------------------------------------------------------+
7 | This file is part of the RoundCube Webmail client |
8 | Copyright (C) 2007-2009, RoundCube Dev. - Switzerland |
9 | Licensed under the GNU GPL |
12 | Modify CSS source from a URL |
14 +-----------------------------------------------------------------------+
15 | Author: Thomas Bruederli <roundcube@gmail.com> |
16 +-----------------------------------------------------------------------+
18 $Id: modcss.php 2853 2009-08-12 10:44:46Z thomasb $
22 define('INSTALL_PATH', realpath(dirname(__FILE__) . '/..') . '/');
23 require INSTALL_PATH . 'program/include/iniset.php';
25 $RCMAIL = rcmail::get_instance();
28 $error = 'Requires a valid user session and source url';
30 if (empty($RCMAIL->user->ID)) {
31 header('HTTP/1.1 403 Forbidden');
36 $url = preg_replace('![^a-z0-9:./\-_?$&=%]!i', '', $_GET['u']);
38 header('HTTP/1.1 403 Forbidden');
43 $a_uri = parse_url($url);
44 $port = $a_uri['port'] ? $a_uri['port'] : 80;
45 $host = $a_uri['host'];
46 $path = $a_uri['path'] . ($a_uri['query'] ? '?'.$a_uri['query'] : '');
48 // don't allow any other connections than http(s)
49 if (strtolower(substr($a_uri['scheme'], 0, 4)) != 'http') {
50 header('HTTP/1.1 403 Forbidden');
55 // try to open socket connection
56 if (!($fp = fsockopen($host, $port, $errno, $error, 15))) {
57 header('HTTP/1.1 500 Internal Server Error');
62 // set timeout for socket
63 stream_set_timeout($fp, 30);
66 $out = "GET $path HTTP/1.0\r\n";
67 $out .= "Host: $host\r\n";
68 $out .= "Connection: Close\r\n\r\n";
75 $line = trim(fgets($fp, 4048));
78 if (preg_match('/^HTTP\/1\..\s+(\d+)/', $line, $regs)
79 && intval($regs[1]) != 200) {
82 else if (empty($line)) {
86 list($key, $value) = explode(': ', $line);
87 $headers[strtolower($key)] = $value;
96 // check content-type header and mod styles
97 $mimetype = strtolower($headers['content-type']);
98 if (!empty($source) && in_array($mimetype, array('text/css','text/plain'))) {
99 header('Content-Type: text/css');
100 echo rcmail_mod_css_styles($source, preg_replace('/[^a-z0-9]/i', '', $_GET['c']));
104 $error = "Invalid response returned by server";
106 header('HTTP/1.0 404 Not Found');