Filter linked/imported CSS files (#1484056)

1 files changed, 67 insertions, 0 deletions

diff --git a/bin/modcss.php b/bin/modcss.php
new file mode 100644
index 000000000..e482389a8
--- /dev/null
+++ b/bin/modcss.php
@@ -0,0 +1,67 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/bin/modcss.php                                                |
+ |                                                                       |
+ | This file is part of the RoundCube Webmail client                     |
+ | Copyright (C) 2007, RoundCube Dev. - Switzerland                      |
+ | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Modify CSS source from a URL                                        |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+
+ $Id:  $
+
+*/
+
+$INSTALL_PATH = realpath("./../") . "/";
+ini_set('include_path', $INSTALL_PATH.PATH_SEPARATOR.$INSTALL_PATH.'program'.PATH_SEPARATOR.ini_get('include_path'));
+
+require 'include/main.inc';
+
+$source = "";
+if ($url = preg_replace('/[^a-z0-9.-_\?\$&=%]/i', '', $_GET['u']))
+{
+	$a_uri = parse_url($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))
+	{
+		$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);
+}
+else
+	header("HTTP/1.0 404 Not Found");
+
+?>