aboutsummaryrefslogtreecommitdiffhomepage
path: root/inc/poche/Tools.class.php
diff options
context:
space:
mode:
Diffstat (limited to 'inc/poche/Tools.class.php')
-rwxr-xr-xinc/poche/Tools.class.php420
1 files changed, 0 insertions, 420 deletions
diff --git a/inc/poche/Tools.class.php b/inc/poche/Tools.class.php
deleted file mode 100755
index d625fc40..00000000
--- a/inc/poche/Tools.class.php
+++ /dev/null
@@ -1,420 +0,0 @@
1<?php
2/**
3 * wallabag, self hostable application allowing you to not miss any content anymore
4 *
5 * @category wallabag
6 * @author Nicolas Lœuillet <nicolas@loeuillet.org>
7 * @copyright 2013
8 * @license http://opensource.org/licenses/MIT see COPYING file
9 */
10
11final class Tools
12{
13 /**
14 * Initialize PHP environment
15 */
16 public static function initPhp()
17 {
18 define('START_TIME', microtime(true));
19
20 function stripslashesDeep($value) {
21 return is_array($value)
22 ? array_map('stripslashesDeep', $value)
23 : stripslashes($value);
24 }
25
26 if (get_magic_quotes_gpc()) {
27 $_POST = array_map('stripslashesDeep', $_POST);
28 $_GET = array_map('stripslashesDeep', $_GET);
29 $_COOKIE = array_map('stripslashesDeep', $_COOKIE);
30 }
31
32 ob_start();
33 register_shutdown_function('ob_end_flush');
34 }
35
36 /**
37 * Get wallabag instance URL
38 *
39 * @return string
40 */
41 public static function getPocheUrl()
42 {
43 $https = (!empty($_SERVER['HTTPS'])
44 && (strtolower($_SERVER['HTTPS']) == 'on'))
45 || (isset($_SERVER["SERVER_PORT"])
46 && $_SERVER["SERVER_PORT"] == '443') // HTTPS detection.
47 || (isset($_SERVER["SERVER_PORT"]) //Custom HTTPS port detection
48 && $_SERVER["SERVER_PORT"] == SSL_PORT)
49 || (isset($_SERVER['HTTP_X_FORWARDED_PROTO'])
50 && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https');
51
52 $serverport = (!isset($_SERVER["SERVER_PORT"])
53 || $_SERVER["SERVER_PORT"] == '80'
54 || $_SERVER["SERVER_PORT"] == HTTP_PORT
55 || ($https && $_SERVER["SERVER_PORT"] == '443')
56 || ($https && $_SERVER["SERVER_PORT"]==SSL_PORT) //Custom HTTPS port detection
57 ? '' : ':' . $_SERVER["SERVER_PORT"]);
58
59 if (isset($_SERVER["HTTP_X_FORWARDED_PORT"])) {
60 $serverport = ':' . $_SERVER["HTTP_X_FORWARDED_PORT"];
61 }
62
63 $scriptname = str_replace('/index.php', '/', $_SERVER["SCRIPT_NAME"]);
64
65 if (!isset($_SERVER["HTTP_HOST"])) {
66 return $scriptname;
67 }
68
69 $host = (isset($_SERVER['HTTP_X_FORWARDED_HOST']) ? $_SERVER['HTTP_X_FORWARDED_HOST'] : (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME']));
70
71 if (strpos($host, ':') !== false) {
72 $serverport = '';
73 }
74
75 return 'http' . ($https ? 's' : '') . '://'
76 . $host . $serverport . $scriptname;
77 }
78
79 /**
80 * Redirects to a URL
81 *
82 * @param string $url
83 */
84 public static function redirect($url = '')
85 {
86 if ($url === '') {
87 $url = (empty($_SERVER['HTTP_REFERER'])?'?':$_SERVER['HTTP_REFERER']);
88 if (isset($_POST['returnurl'])) {
89 $url = $_POST['returnurl'];
90 }
91 }
92
93 # prevent loop
94 if (empty($url) || parse_url($url, PHP_URL_QUERY) === $_SERVER['QUERY_STRING']) {
95 $url = Tools::getPocheUrl();
96 }
97
98 if (substr($url, 0, 1) !== '?') {
99 $ref = Tools::getPocheUrl();
100 if (substr($url, 0, strlen($ref)) !== $ref) {
101 $url = $ref;
102 }
103 }
104
105 self::logm('redirect to ' . $url);
106 header('Location: '.$url);
107 exit();
108 }
109
110 /**
111 * Returns name of the template file to display
112 *
113 * @param $view
114 * @return string
115 */
116 public static function getTplFile($view)
117 {
118 $views = array(
119 'install', 'import', 'export', 'config', 'tags',
120 'edit-tags', 'view', 'login', 'error', 'about'
121 );
122
123 return (in_array($view, $views) ? $view . '.twig' : 'home.twig');
124 }
125
126 /**
127 * Download a file (typically, for downloading pictures on web server)
128 *
129 * @param $url
130 * @return bool|mixed|string
131 */
132 public static function getFile($url)
133 {
134 $timeout = 15;
135 $useragent = "Mozilla/5.0 (Windows NT 5.1; rv:18.0) Gecko/20100101 Firefox/18.0";
136
137 if (in_array ('curl', get_loaded_extensions())) {
138 # Fetch feed from URL
139 $curl = curl_init();
140 curl_setopt($curl, CURLOPT_URL, $url);
141 curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
142 if (!ini_get('open_basedir') && !ini_get('safe_mode')) {
143 curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
144 }
145 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
146 curl_setopt($curl, CURLOPT_HEADER, false);
147
148 # for ssl, do not verified certificate
149 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
150 curl_setopt($curl, CURLOPT_AUTOREFERER, TRUE );
151
152 # FeedBurner requires a proper USER-AGENT...
153 curl_setopt($curl, CURL_HTTP_VERSION_1_1, true);
154 curl_setopt($curl, CURLOPT_ENCODING, "gzip, deflate");
155 curl_setopt($curl, CURLOPT_USERAGENT, $useragent);
156
157 $data = curl_exec($curl);
158 $httpcode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
159 $httpcodeOK = isset($httpcode) and ($httpcode == 200 or $httpcode == 301);
160 curl_close($curl);
161 } else {
162 # create http context and add timeout and user-agent
163 $context = stream_context_create(
164 array(
165 'http' => array(
166 'timeout' => $timeout,
167 'header' => "User-Agent: " . $useragent,
168 'follow_location' => true
169 ),
170 'ssl' => array(
171 'verify_peer' => false,
172 'allow_self_signed' => true
173 )
174 )
175 );
176
177 # only download page lesser than 4MB
178 $data = @file_get_contents($url, false, $context, -1, 4000000);
179
180 if (isset($http_response_header) and isset($http_response_header[0])) {
181 $httpcodeOK = isset($http_response_header) and isset($http_response_header[0]) and ((strpos($http_response_header[0], '200 OK') !== FALSE) or (strpos($http_response_header[0], '301 Moved Permanently') !== FALSE));
182 }
183 }
184
185 # if response is not empty and response is OK
186 if (isset($data) and isset($httpcodeOK) and $httpcodeOK) {
187
188 # take charset of page and get it
189 preg_match('#<meta .*charset=.*>#Usi', $data, $meta);
190
191 # if meta tag is found
192 if (!empty($meta[0])) {
193 preg_match('#charset="?(.*)"#si', $meta[0], $encoding);
194 # if charset is found set it otherwise, set it to utf-8
195 $html_charset = (!empty($encoding[1])) ? strtolower($encoding[1]) : 'utf-8';
196 if (empty($encoding[1])) $encoding[1] = 'utf-8';
197 } else {
198 $html_charset = 'utf-8';
199 $encoding[1] = '';
200 }
201
202 # replace charset of url to charset of page
203 $data = str_replace('charset=' . $encoding[1], 'charset=' . $html_charset, $data);
204
205 return $data;
206 }
207 else {
208 return FALSE;
209 }
210 }
211
212 /**
213 * Headers for JSON export
214 *
215 * @param $data
216 */
217 public static function renderJson($data)
218 {
219 header('Cache-Control: no-cache, must-revalidate');
220 header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
221 header('Content-type: application/json; charset=UTF-8');
222 echo json_encode($data);
223 exit();
224 }
225
226 /**
227 * Create new line in log file
228 *
229 * @param $message
230 */
231 public static function logm($message)
232 {
233 if (DEBUG_POCHE && php_sapi_name() != 'cli') {
234 $t = strval(date('Y/m/d_H:i:s')) . ' - ' . $_SERVER["REMOTE_ADDR"] . ' - ' . strval($message) . "\n";
235 file_put_contents(CACHE . '/log.txt', $t, FILE_APPEND);
236 error_log('DEBUG POCHE : ' . $message);
237 }
238 }
239
240 /**
241 * Encode a URL by using a salt
242 *
243 * @param $string
244 * @return string
245 */
246 public static function encodeString($string)
247 {
248 return sha1($string . SALT);
249 }
250
251 /**
252 * Cleans a variable
253 *
254 * @param $var
255 * @param string $default
256 * @return string
257 */
258 public static function checkVar($var, $default = '')
259 {
260 return ((isset($_REQUEST["$var"])) ? htmlentities($_REQUEST["$var"]) : $default);
261 }
262
263 /**
264 * Returns the domain name for a URL
265 *
266 * @param $url
267 * @return string
268 */
269 public static function getDomain($url)
270 {
271 return parse_url($url, PHP_URL_HOST);
272 }
273
274 /**
275 * For a given text, we calculate reading time for an article
276 *
277 * @param $text
278 * @return float
279 */
280 public static function getReadingTime($text)
281 {
282 return floor(str_word_count(strip_tags($text)) / 200);
283 }
284
285 /**
286 * Returns the correct header for a status code
287 *
288 * @param $status_code
289 */
290 private static function _status($status_code)
291 {
292 if (strpos(php_sapi_name(), 'apache') !== false) {
293
294 header('HTTP/1.0 '.$status_code);
295 }
296 else {
297
298 header('Status: '.$status_code);
299 }
300 }
301
302 /**
303 * Get the content for a given URL (by a call to FullTextFeed)
304 *
305 * @param Url $url
306 * @return mixed
307 */
308 public static function getPageContent(Url $url)
309 {
310 // Saving and clearing context
311 $REAL = array();
312 foreach( $GLOBALS as $key => $value ) {
313 if( $key != 'GLOBALS' && $key != '_SESSION' && $key != 'HTTP_SESSION_VARS' ) {
314 $GLOBALS[$key] = array();
315 $REAL[$key] = $value;
316 }
317 }
318 // Saving and clearing session
319 if (isset($_SESSION)) {
320 $REAL_SESSION = array();
321 foreach( $_SESSION as $key => $value ) {
322 $REAL_SESSION[$key] = $value;
323 unset($_SESSION[$key]);
324 }
325 }
326
327 // Running code in different context
328 $scope = function() {
329 extract( func_get_arg(1) );
330 $_GET = $_REQUEST = array(
331 "url" => $url->getUrl(),
332 "max" => 5,
333 "links" => "preserve",
334 "exc" => "",
335 "format" => "json",
336 "submit" => "Create Feed"
337 );
338 ob_start();
339 require func_get_arg(0);
340 $json = ob_get_contents();
341 ob_end_clean();
342 return $json;
343 };
344
345 // Silence $scope function to avoid
346 // issues with FTRSS when error_reporting is to high
347 // FTRSS generates PHP warnings which break output
348 $json = @$scope("vendor/wallabag/Fivefilters_Libraries/makefulltextfeed.php", array("url" => $url));
349
350 // Clearing and restoring context
351 foreach ($GLOBALS as $key => $value) {
352 if($key != "GLOBALS" && $key != "_SESSION" ) {
353 unset($GLOBALS[$key]);
354 }
355 }
356 foreach ($REAL as $key => $value) {
357 $GLOBALS[$key] = $value;
358 }
359
360 // Clearing and restoring session
361 if (isset($REAL_SESSION)) {
362 foreach($_SESSION as $key => $value) {
363 unset($_SESSION[$key]);
364 }
365
366 foreach($REAL_SESSION as $key => $value) {
367 $_SESSION[$key] = $value;
368 }
369 }
370
371 return json_decode($json, true);
372 }
373
374 /**
375 * Returns whether we handle an AJAX (XMLHttpRequest) request.
376 *
377 * @return boolean whether we handle an AJAX (XMLHttpRequest) request.
378 */
379 public static function isAjaxRequest()
380 {
381 return isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH']==='XMLHttpRequest';
382 }
383
384 /*
385 * Empty cache folder
386 */
387 public static function emptyCache()
388 {
389 $files = new RecursiveIteratorIterator(
390 new RecursiveDirectoryIterator(CACHE, RecursiveDirectoryIterator::SKIP_DOTS),
391 RecursiveIteratorIterator::CHILD_FIRST
392 );
393
394 foreach ($files as $fileInfo) {
395 $todo = ($fileInfo->isDir() ? 'rmdir' : 'unlink');
396 $todo($fileInfo->getRealPath());
397 }
398
399 Tools::logm('empty cache');
400 Tools::redirect();
401 }
402
403 public static function generateToken()
404 {
405 if (ini_get('open_basedir') === '') {
406 if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
407 // alternative to /dev/urandom for Windows
408 $token = substr(base64_encode(uniqid(mt_rand(), true)), 0, 20);
409 } else {
410 $token = substr(base64_encode(file_get_contents('/dev/urandom', false, null, 0, 20)), 0, 15);
411 }
412 }
413 else {
414 $token = substr(base64_encode(uniqid(mt_rand(), true)), 0, 20);
415 }
416
417 return str_replace('+', '', $token);
418 }
419
420}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 00:47:31 +0000