| commit | author | age | ||
| 97bd2c | 1 | <?php |
| T | 2 | |
| 3 | /* | |
| 4 | +-----------------------------------------------------------------------+ | |
| 155bbb | 5 | | bin/modcss.php | |
| 97bd2c | 6 | | | |
| T | 7 | | This file is part of the RoundCube Webmail client | |
| cbbef3 | 8 | | Copyright (C) 2007-2009, RoundCube Dev. - Switzerland | |
| 97bd2c | 9 | | Licensed under the GNU GPL | |
| T | 10 | | | |
| 11 | | PURPOSE: | | |
| 12 | | Modify CSS source from a URL | | |
| 13 | | | | |
| 14 | +-----------------------------------------------------------------------+ | |
| 15 | | Author: Thomas Bruederli <roundcube@gmail.com> | | |
| 16 | +-----------------------------------------------------------------------+ | |
| 17 | ||
| 155bbb | 18 | $Id$ |
| 97bd2c | 19 | |
| T | 20 | */ |
| 21 | ||
| b685e9 | 22 | define('INSTALL_PATH', realpath(dirname(__FILE__) . '/..') . '/'); |
| 1608f4 | 23 | require INSTALL_PATH . 'program/include/iniset.php'; |
| T | 24 | |
| 25 | $RCMAIL = rcmail::get_instance(); | |
| 97bd2c | 26 | |
| 12bc8b | 27 | $source = ''; |
| T | 28 | $error = 'Requires a valid user session and source url'; |
| 97bd2c | 29 | |
| 12bc8b | 30 | if (empty($RCMAIL->user->ID)) { |
| T | 31 | header('HTTP/1.1 403 Forbidden'); |
| 32 | echo $error; | |
| 33 | exit; | |
| 97bd2c | 34 | } |
| T | 35 | |
| db5221 | 36 | $url = preg_replace('![^a-z0-9:./\-_?$&=%]!i', '', $_GET['u']); |
| 12bc8b | 37 | if ($url === null) { |
| T | 38 | header('HTTP/1.1 403 Forbidden'); |
| 39 | echo $error; | |
| 40 | exit; | |
| 1608f4 | 41 | } |
| 97bd2c | 42 | |
| 12bc8b | 43 | $a_uri = parse_url($url); |
| T | 44 | $port = $a_uri['port'] ? $a_uri['port'] : 80; |
| 45 | $host = $a_uri['host']; | |
| 46 | $path = $a_uri['path'] . ($a_uri['query'] ? '?'.$a_uri['query'] : ''); | |
| 47 | ||
| db5221 | 48 | // don't allow any other connections than http(s) |
| T | 49 | if (strtolower(substr($a_uri['scheme'], 0, 4)) != 'http') { |
| 50 | header('HTTP/1.1 403 Forbidden'); | |
| 51 | echo "Invalid URL"; | |
| 52 | exit; | |
| 53 | } | |
| 54 | ||
| 55 | // try to open socket connection | |
| 56 | if (!($fp = fsockopen($host, $port, $errno, $error, 15))) { | |
| 12bc8b | 57 | header('HTTP/1.1 500 Internal Server Error'); |
| T | 58 | echo $error; |
| 59 | exit; | |
| 60 | } | |
| 61 | ||
| db5221 | 62 | // set timeout for socket |
| T | 63 | stream_set_timeout($fp, 30); |
| 64 | ||
| 65 | // send request | |
| 12bc8b | 66 | $out = "GET $path HTTP/1.0\r\n"; |
| T | 67 | $out .= "Host: $host\r\n"; |
| 68 | $out .= "Connection: Close\r\n\r\n"; | |
| 69 | fwrite($fp, $out); | |
| 70 | ||
| db5221 | 71 | // read response |
| 12bc8b | 72 | $header = true; |
| db5221 | 73 | $headers = array(); |
| 12bc8b | 74 | while (!feof($fp)) { |
| T | 75 | $line = trim(fgets($fp, 4048)); |
| 76 | ||
| db5221 | 77 | if ($header) { |
| T | 78 | if (preg_match('/^HTTP\/1\..\s+(\d+)/', $line, $regs) |
| 79 | && intval($regs[1]) != 200) { | |
| 80 | break; | |
| 81 | } | |
| 82 | else if (empty($line)) { | |
| 83 | $header = false; | |
| 84 | } | |
| 85 | else { | |
| 86 | list($key, $value) = explode(': ', $line); | |
| 87 | $headers[strtolower($key)] = $value; | |
| 88 | } | |
| 89 | } | |
| 90 | else { | |
| 12bc8b | 91 | $source .= "$line\n"; |
| T | 92 | } |
| 93 | } | |
| f9160e | 94 | fclose($fp); |
| 12bc8b | 95 | |
| db5221 | 96 | // check content-type header and mod styles |
| T | 97 | $mimetype = strtolower($headers['content-type']); |
| 98 | if (!empty($source) && in_array($mimetype, array('text/css','text/plain'))) { | |
| 12bc8b | 99 | header('Content-Type: text/css'); |
| db5221 | 100 | echo rcmail_mod_css_styles($source, preg_replace('/[^a-z0-9]/i', '', $_GET['c'])); |
| 12bc8b | 101 | exit; |
| T | 102 | } |
| db5221 | 103 | else |
| T | 104 | $error = "Invalid response returned by server"; |
| 12bc8b | 105 | |
| T | 106 | header('HTTP/1.0 404 Not Found'); |
| 107 | echo $error; | |
| 108 | exit; | |
