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<?php
/*
+-----------------------------------------------------------------------+
| bin/modcss.php |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2007-2009, RoundCube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Modify CSS source from a URL |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
$Id$
*/
define('INSTALL_PATH', realpath(dirname(__FILE__) . '/..') . '/');
require INSTALL_PATH . 'program/include/iniset.php';
$RCMAIL = rcmail::get_instance();
$source = '';
$error = 'Requires a valid user session and source url';
if (empty($RCMAIL->user->ID)) {
header('HTTP/1.1 403 Forbidden');
echo $error;
exit;
}
$url = preg_replace('/[^a-z0-9.-_\?\$&=%]/i', '', $_GET['u']);
if ($url === null) {
header('HTTP/1.1 403 Forbidden');
echo $error;
exit;
}
$a_uri = parse_url($url);
$port = $a_uri['port'] ? $a_uri['port'] : 80;
$host = $a_uri['host'];
$path = $a_uri['path'] . ($a_uri['query'] ? '?'.$a_uri['query'] : '');
if (!($fp = fsockopen($host, $port, $errno, $errstr, 30))) {
header('HTTP/1.1 500 Internal Server Error');
echo $error;
exit;
}
$out = "GET $path HTTP/1.0\r\n";
$out .= "Host: $host\r\n";
$out .= "Connection: Close\r\n\r\n";
fwrite($fp, $out);
$header = true;
while (!feof($fp)) {
$line = trim(fgets($fp, 4048));
if ($header
&& preg_match('/^HTTP\/1\..\s+(\d+)/', $line, $regs)
&& intval($regs[1]) != 200) {
break;
} else if (empty($line) && $header) {
$header = false;
} else if (!$header) {
$source .= "$line\n";
}
}
fclose($fp);
if (!empty($source)) {
header('Content-Type: text/css');
echo rcmail_mod_css_styles(
$source,
preg_replace('/[^a-z0-9]/i', '', $_GET['c']),
$url
);
exit;
}
header('HTTP/1.0 404 Not Found');
echo $error;
exit;
|
