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Commit | Line | Data |
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24619534 | 1 | <?php |
2 | ||
c8bbe19b | 3 | /** |
4 | * Permet de générer l'URL de poche pour le bookmarklet | |
5 | */ | |
8046748b | 6 | function get_poche_url() |
c8bbe19b | 7 | { |
8 | $protocol = "http"; | |
9 | if(isset($_SERVER['HTTPS'])) { | |
f0fc5011 | 10 | if($_SERVER['HTTPS'] != "off" && $_SERVER['HTTPS'] != "") { |
c8bbe19b | 11 | $protocol = "https"; |
12 | } | |
13 | } | |
24619534 | 14 | |
c8bbe19b | 15 | return $protocol . "://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
24619534 | 16 | } |
17 | ||
24619534 | 18 | // function define to retrieve url content |
1c182b6c | 19 | function get_external_file($url) |
c8bbe19b | 20 | { |
1c182b6c | 21 | $timeout = 15; |
24619534 | 22 | // spoofing FireFox 18.0 |
23 | $useragent="Mozilla/5.0 (Windows NT 5.1; rv:18.0) Gecko/20100101 Firefox/18.0"; | |
24 | ||
25 | if (in_array ('curl', get_loaded_extensions())) { | |
26 | // Fetch feed from URL | |
27 | $curl = curl_init(); | |
28 | curl_setopt($curl, CURLOPT_URL, $url); | |
29 | curl_setopt($curl, CURLOPT_TIMEOUT, $timeout); | |
30 | curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); | |
31 | curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); | |
32 | curl_setopt($curl, CURLOPT_HEADER, false); | |
33 | ||
34 | // FeedBurner requires a proper USER-AGENT... | |
35 | curl_setopt($curl, CURL_HTTP_VERSION_1_1, true); | |
36 | curl_setopt($curl, CURLOPT_ENCODING, "gzip, deflate"); | |
37 | curl_setopt($curl, CURLOPT_USERAGENT, $useragent); | |
38 | ||
39 | $data = curl_exec($curl); | |
40 | ||
41 | $httpcode = curl_getinfo($curl, CURLINFO_HTTP_CODE); | |
42 | ||
43 | $httpcodeOK = isset($httpcode) and ($httpcode == 200 or $httpcode == 301); | |
44 | ||
45 | curl_close($curl); | |
46 | } else { | |
47 | ||
48 | // create http context and add timeout and user-agent | |
1c182b6c | 49 | $context = stream_context_create(array('http'=>array('timeout' => $timeout,'header'=> "User-Agent: ".$useragent,/*spoot Mozilla Firefox*/'follow_location' => true))); |
24619534 | 50 | |
51 | // only download page lesser than 4MB | |
52 | $data = @file_get_contents($url, false, $context, -1, 4000000); // We download at most 4 MB from source. | |
24619534 | 53 | |
54 | if(isset($http_response_header) and isset($http_response_header[0])) { | |
55 | $httpcodeOK = isset($http_response_header) and isset($http_response_header[0]) and ((strpos($http_response_header[0], '200 OK') !== FALSE) or (strpos($http_response_header[0], '301 Moved Permanently') !== FALSE)); | |
56 | } | |
57 | } | |
58 | ||
59 | // if response is not empty and response is OK | |
60 | if (isset($data) and isset($httpcodeOK) and $httpcodeOK ) { | |
61 | ||
62 | // take charset of page and get it | |
63 | preg_match('#<meta .*charset=.*>#Usi', $data, $meta); | |
64 | ||
65 | // if meta tag is found | |
66 | if (!empty($meta[0])) { | |
67 | // retrieve encoding in $enc | |
68 | preg_match('#charset="?(.*)"#si', $meta[0], $enc); | |
69 | ||
70 | // if charset is found set it otherwise, set it to utf-8 | |
71 | $html_charset = (!empty($enc[1])) ? strtolower($enc[1]) : 'utf-8'; | |
72 | ||
73 | } else { | |
74 | $html_charset = 'utf-8'; | |
75 | $enc[1] = ''; | |
76 | } | |
77 | ||
78 | // replace charset of url to charset of page | |
79 | $data = str_replace('charset='.$enc[1], 'charset='.$html_charset, $data); | |
80 | ||
81 | return $data; | |
82 | } | |
83 | else { | |
84 | return FALSE; | |
85 | } | |
3c8d80ae | 86 | } |
87 | ||
8046748b | 88 | /** |
89 | * Préparation de l'URL avec récupération du contenu avant insertion en base | |
90 | */ | |
1c182b6c | 91 | function prepare_url($url, $id) |
3c8d80ae | 92 | { |
93 | $parametres = array(); | |
94 | $url = html_entity_decode(trim($url)); | |
95 | ||
96 | // We remove the annoying parameters added by FeedBurner and GoogleFeedProxy (?utm_source=...) | |
97 | // from shaarli, by sebsauvage | |
98 | $i=strpos($url,'&utm_source='); if ($i!==false) $url=substr($url,0,$i); | |
99 | $i=strpos($url,'?utm_source='); if ($i!==false) $url=substr($url,0,$i); | |
100 | $i=strpos($url,'#xtor=RSS-'); if ($i!==false) $url=substr($url,0,$i); | |
101 | ||
102 | $title = $url; | |
103 | if (!preg_match('!^https?://!i', $url)) | |
104 | $url = 'http://' . $url; | |
105 | ||
106 | $html = Encoding::toUTF8(get_external_file($url,15)); | |
107 | if (isset($html) and strlen($html) > 0) | |
108 | { | |
109 | $r = new Readability($html, $url); | |
4456315b | 110 | $r->convertLinksToFootnotes = TRUE; |
3c8d80ae | 111 | if($r->init()) |
112 | { | |
1c182b6c | 113 | $content = $r->articleContent->innerHTML; |
114 | $parametres['title'] = $r->articleTitle->innerHTML; | |
64458521 | 115 | if (DOWNLOAD_PICTURES) { |
116 | $content = filtre_picture($content, $url, $id); | |
117 | } | |
118 | $parametres['content'] = $content; | |
1c182b6c | 119 | return $parametres; |
3c8d80ae | 120 | } |
121 | } | |
122 | ||
1c182b6c | 123 | logm('error during url preparation'); |
124 | return FALSE; | |
125 | } | |
126 | ||
127 | /** | |
128 | * On modifie les URLS des images dans le corps de l'article | |
129 | */ | |
130 | function filtre_picture($content, $url, $id) | |
131 | { | |
132 | $matches = array(); | |
133 | preg_match_all('#<\s*(img)[^>]+src="([^"]*)"[^>]*>#Si', $content, $matches, PREG_SET_ORDER); | |
134 | foreach($matches as $i => $link) | |
135 | { | |
136 | $link[1] = trim($link[1]); | |
137 | if (!preg_match('#^(([a-z]+://)|(\#))#', $link[1]) ) | |
138 | { | |
139 | $absolute_path = get_absolute_link($link[2],$url); | |
140 | $filename = basename(parse_url($absolute_path, PHP_URL_PATH)); | |
141 | $directory = create_assets_directory($id); | |
142 | $fullpath = $directory . '/' . $filename; | |
143 | download_pictures($absolute_path, $fullpath); | |
144 | $content = str_replace($matches[$i][2], $fullpath, $content); | |
145 | } | |
146 | ||
147 | } | |
148 | ||
149 | return $content; | |
150 | } | |
151 | ||
152 | /** | |
153 | * Retourne le lien absolu | |
154 | */ | |
155 | function get_absolute_link($relative_link, $url) | |
156 | { | |
157 | /* return if already absolute URL */ | |
158 | if (parse_url($relative_link, PHP_URL_SCHEME) != '') return $relative_link; | |
159 | ||
160 | /* queries and anchors */ | |
161 | if ($relative_link[0]=='#' || $relative_link[0]=='?') return $url . $relative_link; | |
162 | ||
163 | /* parse base URL and convert to local variables: | |
164 | $scheme, $host, $path */ | |
165 | extract(parse_url($url)); | |
166 | ||
167 | /* remove non-directory element from path */ | |
168 | $path = preg_replace('#/[^/]*$#', '', $path); | |
169 | ||
170 | /* destroy path if relative url points to root */ | |
171 | if ($relative_link[0] == '/') $path = ''; | |
172 | ||
173 | /* dirty absolute URL */ | |
174 | $abs = $host . $path . '/' . $relative_link; | |
175 | ||
176 | /* replace '//' or '/./' or '/foo/../' with '/' */ | |
177 | $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#'); | |
178 | for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) {} | |
179 | ||
180 | /* absolute URL is ready! */ | |
181 | return $scheme.'://'.$abs; | |
182 | } | |
183 | ||
184 | /** | |
185 | * Téléchargement des images | |
186 | */ | |
187 | ||
188 | function download_pictures($absolute_path, $fullpath) | |
189 | { | |
190 | $rawdata = get_external_file($absolute_path); | |
3c8d80ae | 191 | |
1c182b6c | 192 | if(file_exists($fullpath)) { |
193 | unlink($fullpath); | |
194 | } | |
195 | $fp = fopen($fullpath, 'x'); | |
196 | fwrite($fp, $rawdata); | |
197 | fclose($fp); | |
198 | } | |
199 | ||
200 | /** | |
201 | * Crée un répertoire de médias pour l'article | |
202 | */ | |
203 | function create_assets_directory($id) | |
204 | { | |
205 | $assets_path = ABS_PATH; | |
206 | if(!is_dir($assets_path)) { | |
207 | mkdir($assets_path, 0705); | |
208 | } | |
209 | ||
210 | $article_directory = $assets_path . $id; | |
211 | if(!is_dir($article_directory)) { | |
212 | mkdir($article_directory, 0705); | |
213 | } | |
214 | ||
215 | return $article_directory; | |
216 | } | |
217 | ||
218 | /** | |
219 | * Suppression du répertoire d'images | |
220 | */ | |
221 | function remove_directory($directory) | |
222 | { | |
223 | if(is_dir($directory)) { | |
224 | $files = array_diff(scandir($directory), array('.','..')); | |
225 | foreach ($files as $file) { | |
07a19252 | 226 | (is_dir("$directory/$file")) ? remove_directory("$directory/$file") : unlink("$directory/$file"); |
1c182b6c | 227 | } |
228 | return rmdir($directory); | |
229 | } | |
263d6c67 | 230 | } |
231 | ||
232 | /** | |
233 | * Appel d'une action (mark as fav, archive, delete) | |
234 | */ | |
1c182b6c | 235 | |
cf3180f6 | 236 | function action_to_do($action, $id, $url, $token) |
263d6c67 | 237 | { |
238 | global $db; | |
239 | ||
240 | switch ($action) | |
241 | { | |
242 | case 'add': | |
243 | if ($url == '') | |
244 | continue; | |
245 | ||
cb1348bc | 246 | # FIXME corriger cette génération d'ID |
1c182b6c | 247 | $req = $db->getHandle()->query("SELECT id FROM entries ORDER BY id DESC"); |
248 | $id = $req->fetchColumn()+1; | |
249 | ||
250 | if($parametres_url = prepare_url($url, $id)) { | |
251 | $sql_action = 'INSERT INTO entries ( id, url, title, content ) VALUES (?,?, ?, ?)'; | |
252 | $params_action = array($id,$url, $parametres_url['title'], $parametres_url['content']); | |
253 | } | |
254 | ||
a81cd067 | 255 | logm('add link ' . $url); |
263d6c67 | 256 | break; |
257 | case 'delete': | |
cf3180f6 | 258 | if (verif_token($token)) { |
1c182b6c | 259 | remove_directory(ABS_PATH . $id); |
cf3180f6 | 260 | $sql_action = "DELETE FROM entries WHERE id=?"; |
261 | $params_action = array($id); | |
a81cd067 | 262 | logm('delete link #' . $id); |
cf3180f6 | 263 | } |
713b2d69 | 264 | else logm('csrf problem while deleting entry'); |
263d6c67 | 265 | break; |
139769aa | 266 | case 'toggle_fav' : |
267 | if (verif_token($token)) { | |
268 | $sql_action = "UPDATE entries SET is_fav=~is_fav WHERE id=?"; | |
269 | $params_action = array($id); | |
a81cd067 | 270 | logm('mark as favorite link #' . $id); |
139769aa | 271 | } |
713b2d69 | 272 | else logm('csrf problem while fav entry'); |
139769aa | 273 | break; |
274 | case 'toggle_archive' : | |
275 | if (verif_token($token)) { | |
276 | $sql_action = "UPDATE entries SET is_read=~is_read WHERE id=?"; | |
277 | $params_action = array($id); | |
a81cd067 | 278 | logm('archive link #' . $id); |
139769aa | 279 | } |
713b2d69 | 280 | else logm('csrf problem while archive entry'); |
139769aa | 281 | break; |
263d6c67 | 282 | default: |
283 | break; | |
284 | } | |
285 | ||
286 | try | |
287 | { | |
288 | # action query | |
289 | if (isset($sql_action)) | |
290 | { | |
291 | $query = $db->getHandle()->prepare($sql_action); | |
292 | $query->execute($params_action); | |
293 | } | |
294 | } | |
295 | catch (Exception $e) | |
296 | { | |
713b2d69 | 297 | logm('action query error : '.$e->getMessage()); |
263d6c67 | 298 | } |
299 | } | |
300 | ||
301 | /** | |
302 | * Détermine quels liens afficher : home, fav ou archives | |
303 | */ | |
9fee2e72 | 304 | function display_view($view) |
263d6c67 | 305 | { |
306 | global $db; | |
307 | ||
139769aa | 308 | switch ($_SESSION['sort']) |
309 | { | |
310 | case 'ia': | |
311 | $order = 'ORDER BY id'; | |
312 | break; | |
313 | case 'id': | |
314 | $order = 'ORDER BY id DESC'; | |
315 | break; | |
316 | case 'ta': | |
317 | $order = 'ORDER BY lower(title)'; | |
318 | break; | |
319 | case 'td': | |
320 | $order = 'ORDER BY lower(title) DESC'; | |
321 | break; | |
322 | default: | |
323 | $order = 'ORDER BY id'; | |
324 | break; | |
325 | } | |
326 | ||
9fee2e72 | 327 | switch ($view) |
263d6c67 | 328 | { |
329 | case 'archive': | |
139769aa | 330 | $sql = "SELECT * FROM entries WHERE is_read=? " . $order; |
263d6c67 | 331 | $params = array(-1); |
332 | break; | |
333 | case 'fav' : | |
139769aa | 334 | $sql = "SELECT * FROM entries WHERE is_fav=? " . $order; |
263d6c67 | 335 | $params = array(-1); |
336 | break; | |
337 | default: | |
139769aa | 338 | $sql = "SELECT * FROM entries WHERE is_read=? " . $order; |
263d6c67 | 339 | $params = array(0); |
340 | break; | |
341 | } | |
342 | ||
343 | # view query | |
344 | try | |
345 | { | |
346 | $query = $db->getHandle()->prepare($sql); | |
347 | $query->execute($params); | |
348 | $entries = $query->fetchAll(); | |
349 | } | |
350 | catch (Exception $e) | |
351 | { | |
713b2d69 | 352 | logm('view query error : '.$e->getMessage()); |
263d6c67 | 353 | } |
354 | ||
355 | return $entries; | |
356 | } | |
357 | ||
358 | /** | |
359 | * Récupère un article en fonction d'un ID | |
360 | */ | |
361 | function get_article($id) | |
362 | { | |
363 | global $db; | |
364 | ||
365 | $entry = NULL; | |
366 | $sql = "SELECT * FROM entries WHERE id=?"; | |
367 | $params = array(intval($id)); | |
368 | ||
369 | # view article query | |
370 | try | |
371 | { | |
372 | $query = $db->getHandle()->prepare($sql); | |
373 | $query->execute($params); | |
374 | $entry = $query->fetchAll(); | |
375 | } | |
376 | catch (Exception $e) | |
377 | { | |
713b2d69 | 378 | logm('get article query error : '.$e->getMessage()); |
263d6c67 | 379 | } |
380 | ||
381 | return $entry; | |
cf3180f6 | 382 | } |
383 | ||
384 | /** | |
385 | * Vérifie si le jeton passé en $_POST correspond à celui en session | |
386 | */ | |
387 | function verif_token($token) | |
388 | { | |
389 | if(isset($_SESSION['token_poche']) && isset($_SESSION['token_time_poche']) && isset($token)) | |
390 | { | |
391 | if($_SESSION['token_poche'] == $token) | |
392 | { | |
393 | $old_timestamp = time() - (15*60); | |
394 | if($_SESSION['token_time_poche'] >= $old_timestamp) | |
395 | { | |
396 | return TRUE; | |
397 | } | |
643e3037 | 398 | else { |
399 | session_destroy(); | |
713b2d69 | 400 | logm('session expired'); |
643e3037 | 401 | } |
cf3180f6 | 402 | } |
713b2d69 | 403 | else { |
404 | logm('token error : the token is different'); | |
405 | return FALSE; | |
406 | } | |
407 | } | |
408 | else { | |
409 | logm('token error : the token is not here'); | |
410 | return FALSE; | |
cf3180f6 | 411 | } |
713b2d69 | 412 | } |
413 | ||
414 | function logm($message) | |
415 | { | |
416 | $t = strval(date('Y/m/d_H:i:s')).' - '.$_SERVER["REMOTE_ADDR"].' - '.strval($message)."\n"; | |
a81cd067 | 417 | file_put_contents('./log.txt',$t,FILE_APPEND); |
c8bbe19b | 418 | } |