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-rw-r--r--inc/poche/Tools.class.php208
1 files changed, 208 insertions, 0 deletions
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1<?php
2/**
3 * poche, a read it later open source system
4 *
5 * @category poche
6 * @author Nicolas LÅ“uillet <support@inthepoche.com>
7 * @copyright 2013
8 * @license http://www.wtfpl.net/ see COPYING file
9 */
10
11class Tools
12{
13 public static function initPhp()
14 {
15 define('START_TIME', microtime(true));
16
17 if (phpversion() < 5) {
18 die(_('Oops, it seems you don\'t have PHP 5.'));
19 }
20
21 error_reporting(E_ALL);
22
23 function stripslashesDeep($value) {
24 return is_array($value)
25 ? array_map('stripslashesDeep', $value)
26 : stripslashes($value);
27 }
28
29 if (get_magic_quotes_gpc()) {
30 $_POST = array_map('stripslashesDeep', $_POST);
31 $_GET = array_map('stripslashesDeep', $_GET);
32 $_COOKIE = array_map('stripslashesDeep', $_COOKIE);
33 }
34
35 ob_start();
36 register_shutdown_function('ob_end_flush');
37 }
38
39 public static function getPocheUrl()
40 {
41 $https = (!empty($_SERVER['HTTPS'])
42 && (strtolower($_SERVER['HTTPS']) == 'on'))
43 || (isset($_SERVER["SERVER_PORT"])
44 && $_SERVER["SERVER_PORT"] == '443'); // HTTPS detection.
45 $serverport = (!isset($_SERVER["SERVER_PORT"])
46 || $_SERVER["SERVER_PORT"] == '80'
47 || ($https && $_SERVER["SERVER_PORT"] == '443')
48 ? '' : ':' . $_SERVER["SERVER_PORT"]);
49
50 $scriptname = str_replace('/index.php', '/', $_SERVER["SCRIPT_NAME"]);
51
52 if (!isset($_SERVER["SERVER_NAME"])) {
53 return $scriptname;
54 }
55
56 return 'http' . ($https ? 's' : '') . '://'
57 . $_SERVER["SERVER_NAME"] . $serverport . $scriptname;
58 }
59
60 public static function redirect($url = '')
61 {
62 if ($url === '') {
63 $url = (empty($_SERVER['HTTP_REFERER'])?'?':$_SERVER['HTTP_REFERER']);
64 if (isset($_POST['returnurl'])) {
65 $url = $_POST['returnurl'];
66 }
67 }
68
69 # prevent loop
70 if (empty($url) || parse_url($url, PHP_URL_QUERY) === $_SERVER['QUERY_STRING']) {
71 $url = Tools::getPocheUrl();
72 }
73
74 if (substr($url, 0, 1) !== '?') {
75 $ref = Tools::getPocheUrl();
76 if (substr($url, 0, strlen($ref)) !== $ref) {
77 $url = $ref;
78 }
79 }
80 header('Location: '.$url);
81 exit();
82 }
83
84 public static function getTplFile($view)
85 {
86 $tpl_file = 'home.twig';
87 switch ($view)
88 {
89 case 'install':
90 $tpl_file = 'install.twig';
91 break;
92 case 'import';
93 $tpl_file = 'import.twig';
94 break;
95 case 'export':
96 $tpl_file = 'export.twig';
97 break;
98 case 'config':
99 $tpl_file = 'config.twig';
100 break;
101 case 'view':
102 $tpl_file = 'view.twig';
103 break;
104 default:
105 break;
106 }
107 return $tpl_file;
108 }
109
110 public static function getFile($url)
111 {
112 $timeout = 15;
113 $useragent = "Mozilla/5.0 (Windows NT 5.1; rv:18.0) Gecko/20100101 Firefox/18.0";
114
115 if (in_array ('curl', get_loaded_extensions())) {
116 # Fetch feed from URL
117 $curl = curl_init();
118 curl_setopt($curl, CURLOPT_URL, $url);
119 curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
120 curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
121 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
122 curl_setopt($curl, CURLOPT_HEADER, false);
123
124 # for ssl, do not verified certificate
125 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
126 curl_setopt($curl, CURLOPT_AUTOREFERER, TRUE );
127
128 # FeedBurner requires a proper USER-AGENT...
129 curl_setopt($curl, CURL_HTTP_VERSION_1_1, true);
130 curl_setopt($curl, CURLOPT_ENCODING, "gzip, deflate");
131 curl_setopt($curl, CURLOPT_USERAGENT, $useragent);
132
133 $data = curl_exec($curl);
134 $httpcode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
135 $httpcodeOK = isset($httpcode) and ($httpcode == 200 or $httpcode == 301);
136 curl_close($curl);
137 } else {
138 # create http context and add timeout and user-agent
139 $context = stream_context_create(
140 array(
141 'http' => array(
142 'timeout' => $timeout,
143 'header' => "User-Agent: " . $useragent,
144 'follow_location' => true
145 ),
146 'ssl' => array(
147 'verify_peer' => false,
148 'allow_self_signed' => true
149 )
150 )
151 );
152
153 # only download page lesser than 4MB
154 $data = @file_get_contents($url, false, $context, -1, 4000000);
155
156 if (isset($http_response_header) and isset($http_response_header[0])) {
157 $httpcodeOK = isset($http_response_header) and isset($http_response_header[0]) and ((strpos($http_response_header[0], '200 OK') !== FALSE) or (strpos($http_response_header[0], '301 Moved Permanently') !== FALSE));
158 }
159 }
160
161 # if response is not empty and response is OK
162 if (isset($data) and isset($httpcodeOK) and $httpcodeOK) {
163
164 # take charset of page and get it
165 preg_match('#<meta .*charset=.*>#Usi', $data, $meta);
166
167 # if meta tag is found
168 if (!empty($meta[0])) {
169 preg_match('#charset="?(.*)"#si', $meta[0], $encoding);
170 # if charset is found set it otherwise, set it to utf-8
171 $html_charset = (!empty($encoding[1])) ? strtolower($encoding[1]) : 'utf-8';
172 } else {
173 $html_charset = 'utf-8';
174 $encoding[1] = '';
175 }
176
177 # replace charset of url to charset of page
178 $data = str_replace('charset=' . $encoding[1], 'charset=' . $html_charset, $data);
179
180 return $data;
181 }
182 else {
183 return FALSE;
184 }
185 }
186
187 public static function renderJson($data)
188 {
189 header('Cache-Control: no-cache, must-revalidate');
190 header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
191 header('Content-type: application/json; charset=UTF-8');
192 echo json_encode($data);
193 exit();
194 }
195
196 public static function logm($message)
197 {
198 if (DEBUG_POCHE) {
199 $t = strval(date('Y/m/d_H:i:s')) . ' - ' . $_SERVER["REMOTE_ADDR"] . ' - ' . strval($message) . "\n";
200 file_put_contents('./log.txt', $t, FILE_APPEND);
201 }
202 }
203
204 public static function encodeString($string)
205 {
206 return sha1($string . SALT);
207 }
208} \ No newline at end of file