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