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authorNicolas Lœuillet <nicolas.loeuillet@gmail.com>2013-08-08 09:36:10 -0700
committerNicolas Lœuillet <nicolas.loeuillet@gmail.com>2013-08-08 09:36:10 -0700
commit9a8b4ff4edf84d7df60de1b6fd1e493b59f88273 (patch)
tree3c8ab8086fd8a2750270f8aeaee1f1ce016167cb /inc/poche/Tools.class.php
parent85ebc80c7eaf88e4d57a52adb8e4c32d8cc34b64 (diff)
parent572e758bf2e76308a3fa3eda9a8d9e9be8b53ecc (diff)
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Merge pull request #109 from inthepoche/dev
merge dev into master
Diffstat (limited to 'inc/poche/Tools.class.php')
-rw-r--r--inc/poche/Tools.class.php226
1 files changed, 226 insertions, 0 deletions
diff --git a/inc/poche/Tools.class.php b/inc/poche/Tools.class.php
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1<?php
2/**
3 * poche, a read it later open source system
4 *
5 * @category poche
6 * @author Nicolas Lœuillet <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 self::logm('redirect to ' . $url);
81 header('Location: '.$url);
82 exit();
83 }
84
85 public static function getTplFile($view)
86 {
87 $tpl_file = 'home.twig';
88 switch ($view)
89 {
90 case 'install':
91 $tpl_file = 'install.twig';
92 break;
93 case 'import';
94 $tpl_file = 'import.twig';
95 break;
96 case 'export':
97 $tpl_file = 'export.twig';
98 break;
99 case 'config':
100 $tpl_file = 'config.twig';
101 break;
102 case 'view':
103 $tpl_file = 'view.twig';
104 break;
105 default:
106 break;
107 }
108 return $tpl_file;
109 }
110
111 public static function getFile($url)
112 {
113 $timeout = 15;
114 $useragent = "Mozilla/5.0 (Windows NT 5.1; rv:18.0) Gecko/20100101 Firefox/18.0";
115
116 if (in_array ('curl', get_loaded_extensions())) {
117 # Fetch feed from URL
118 $curl = curl_init();
119 curl_setopt($curl, CURLOPT_URL, $url);
120 curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
121 curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
122 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
123 curl_setopt($curl, CURLOPT_HEADER, false);
124
125 # for ssl, do not verified certificate
126 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
127 curl_setopt($curl, CURLOPT_AUTOREFERER, TRUE );
128
129 # FeedBurner requires a proper USER-AGENT...
130 curl_setopt($curl, CURL_HTTP_VERSION_1_1, true);
131 curl_setopt($curl, CURLOPT_ENCODING, "gzip, deflate");
132 curl_setopt($curl, CURLOPT_USERAGENT, $useragent);
133
134 $data = curl_exec($curl);
135 $httpcode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
136 $httpcodeOK = isset($httpcode) and ($httpcode == 200 or $httpcode == 301);
137 curl_close($curl);
138 } else {
139 # create http context and add timeout and user-agent
140 $context = stream_context_create(
141 array(
142 'http' => array(
143 'timeout' => $timeout,
144 'header' => "User-Agent: " . $useragent,
145 'follow_location' => true
146 ),
147 'ssl' => array(
148 'verify_peer' => false,
149 'allow_self_signed' => true
150 )
151 )
152 );
153
154 # only download page lesser than 4MB
155 $data = @file_get_contents($url, false, $context, -1, 4000000);
156
157 if (isset($http_response_header) and isset($http_response_header[0])) {
158 $httpcodeOK = isset($http_response_header) and isset($http_response_header[0]) and ((strpos($http_response_header[0], '200 OK') !== FALSE) or (strpos($http_response_header[0], '301 Moved Permanently') !== FALSE));
159 }
160 }
161
162 # if response is not empty and response is OK
163 if (isset($data) and isset($httpcodeOK) and $httpcodeOK) {
164
165 # take charset of page and get it
166 preg_match('#<meta .*charset=.*>#Usi', $data, $meta);
167
168 # if meta tag is found
169 if (!empty($meta[0])) {
170 preg_match('#charset="?(.*)"#si', $meta[0], $encoding);
171 # if charset is found set it otherwise, set it to utf-8
172 $html_charset = (!empty($encoding[1])) ? strtolower($encoding[1]) : 'utf-8';
173 } else {
174 $html_charset = 'utf-8';
175 $encoding[1] = '';
176 }
177
178 # replace charset of url to charset of page
179 $data = str_replace('charset=' . $encoding[1], 'charset=' . $html_charset, $data);
180
181 return $data;
182 }
183 else {
184 return FALSE;
185 }
186 }
187
188 public static function renderJson($data)
189 {
190 header('Cache-Control: no-cache, must-revalidate');
191 header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
192 header('Content-type: application/json; charset=UTF-8');
193 echo json_encode($data);
194 exit();
195 }
196
197 public static function logm($message)
198 {
199 if (DEBUG_POCHE) {
200 $t = strval(date('Y/m/d_H:i:s')) . ' - ' . $_SERVER["REMOTE_ADDR"] . ' - ' . strval($message) . "\n";
201 file_put_contents(CACHE . '/log.txt', $t, FILE_APPEND);
202 error_log('DEBUG POCHE : ' . $message);
203 }
204 }
205
206 public static function encodeString($string)
207 {
208 return sha1($string . SALT);
209 }
210
211 public static function checkVar($var, $default = '')
212 {
213 return ((isset ($_REQUEST["$var"])) ? htmlentities($_REQUEST["$var"]) : $default);
214 }
215
216 public static function getDomain($url)
217 {
218 $pieces = parse_url($url);
219 $domain = isset($pieces['host']) ? $pieces['host'] : '';
220 if (preg_match('/(?P<domain>[a-z0-9][a-z0-9\-]{1,63}\.[a-z\.]{2,6})$/i', $domain, $regs)) {
221 return $regs['domain'];
222 }
223
224 return FALSE;
225 }
226} \ No newline at end of file