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1 | <?php | |
2 | define('EXPECTED_CONFIG_VERSION', 26); | |
3 | define('SCHEMA_VERSION', 134); | |
4 | ||
5 | define('LABEL_BASE_INDEX', -1024); | |
6 | define('PLUGIN_FEED_BASE_INDEX', -128); | |
7 | ||
8 | define('COOKIE_LIFETIME_LONG', 86400*365); | |
9 | ||
10 | $fetch_last_error = false; | |
11 | $fetch_last_error_code = false; | |
12 | $fetch_last_content_type = false; | |
13 | $fetch_last_error_content = false; // curl only for the time being | |
14 | $fetch_effective_url = false; | |
15 | $fetch_curl_used = false; | |
16 | ||
17 | libxml_disable_entity_loader(true); | |
18 | ||
19 | // separate test because this is included before sanity checks | |
20 | if (function_exists("mb_internal_encoding")) mb_internal_encoding("UTF-8"); | |
21 | ||
22 | date_default_timezone_set('UTC'); | |
23 | if (defined('E_DEPRECATED')) { | |
24 | error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED); | |
25 | } else { | |
26 | error_reporting(E_ALL & ~E_NOTICE); | |
27 | } | |
28 | ||
29 | require_once 'config.php'; | |
30 | ||
31 | /** | |
32 | * Define a constant if not already defined | |
33 | */ | |
34 | function define_default($name, $value) { | |
35 | defined($name) or define($name, $value); | |
36 | } | |
37 | ||
38 | /* Some tunables you can override in config.php using define(): */ | |
39 | ||
40 | define_default('FEED_FETCH_TIMEOUT', 45); | |
41 | // How may seconds to wait for response when requesting feed from a site | |
42 | define_default('FEED_FETCH_NO_CACHE_TIMEOUT', 15); | |
43 | // How may seconds to wait for response when requesting feed from a | |
44 | // site when that feed wasn't cached before | |
45 | define_default('FILE_FETCH_TIMEOUT', 45); | |
46 | // Default timeout when fetching files from remote sites | |
47 | define_default('FILE_FETCH_CONNECT_TIMEOUT', 15); | |
48 | // How many seconds to wait for initial response from website when | |
49 | // fetching files from remote sites | |
50 | define_default('DAEMON_UPDATE_LOGIN_LIMIT', 30); | |
51 | // stop updating feeds if users haven't logged in for X days | |
52 | define_default('DAEMON_FEED_LIMIT', 500); | |
53 | // feed limit for one update batch | |
54 | define_default('DAEMON_SLEEP_INTERVAL', 120); | |
55 | // default sleep interval between feed updates (sec) | |
56 | define_default('MIN_CACHE_FILE_SIZE', 1024); | |
57 | // do not cache files smaller than that (bytes) | |
58 | define_default('MAX_CACHE_FILE_SIZE', 64*1024*1024); | |
59 | // do not cache files larger than that (bytes) | |
60 | define_default('MAX_DOWNLOAD_FILE_SIZE', 16*1024*1024); | |
61 | // do not download general files larger than that (bytes) | |
62 | define_default('CACHE_MAX_DAYS', 7); | |
63 | // max age in days for various automatically cached (temporary) files | |
64 | define_default('MAX_CONDITIONAL_INTERVAL', 3600*12); | |
65 | // max interval between forced unconditional updates for servers | |
66 | // not complying with http if-modified-since (seconds) | |
67 | ||
68 | /* tunables end here */ | |
69 | ||
70 | if (DB_TYPE == "pgsql") { | |
71 | define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE'); | |
72 | } else { | |
73 | define('SUBSTRING_FOR_DATE', 'SUBSTRING'); | |
74 | } | |
75 | ||
76 | /** | |
77 | * Return available translations names. | |
78 | * | |
79 | * @access public | |
80 | * @return array A array of available translations. | |
81 | */ | |
82 | function get_translations() { | |
83 | $tr = array( | |
84 | "auto" => "Detect automatically", | |
85 | "ar_SA" => "العربيّة (Arabic)", | |
86 | "bg_BG" => "Bulgarian", | |
87 | "da_DA" => "Dansk", | |
88 | "ca_CA" => "Català", | |
89 | "cs_CZ" => "Česky", | |
90 | "en_US" => "English", | |
91 | "el_GR" => "Ελληνικά", | |
92 | "es_ES" => "Español (España)", | |
93 | "es_LA" => "Español", | |
94 | "de_DE" => "Deutsch", | |
95 | "fr_FR" => "Français", | |
96 | "hu_HU" => "Magyar (Hungarian)", | |
97 | "it_IT" => "Italiano", | |
98 | "ja_JP" => "日本語 (Japanese)", | |
99 | "lv_LV" => "Latviešu", | |
100 | "nb_NO" => "Norwegian bokmål", | |
101 | "nl_NL" => "Dutch", | |
102 | "pl_PL" => "Polski", | |
103 | "ru_RU" => "Русский", | |
104 | "pt_BR" => "Portuguese/Brazil", | |
105 | "pt_PT" => "Portuguese/Portugal", | |
106 | "zh_CN" => "Simplified Chinese", | |
107 | "zh_TW" => "Traditional Chinese", | |
108 | "sv_SE" => "Svenska", | |
109 | "fi_FI" => "Suomi", | |
110 | "tr_TR" => "Türkçe"); | |
111 | ||
112 | return $tr; | |
113 | } | |
114 | ||
115 | require_once "lib/accept-to-gettext.php"; | |
116 | require_once "lib/gettext/gettext.inc"; | |
117 | ||
118 | function startup_gettext() { | |
119 | ||
120 | # Get locale from Accept-Language header | |
121 | $lang = al2gt(array_keys(get_translations()), "text/html"); | |
122 | ||
123 | if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) { | |
124 | $lang = _TRANSLATION_OVERRIDE_DEFAULT; | |
125 | } | |
126 | ||
127 | if ($_SESSION["uid"] && get_schema_version() >= 120) { | |
128 | $pref_lang = get_pref("USER_LANGUAGE", $_SESSION["uid"]); | |
129 | ||
130 | if ($pref_lang && $pref_lang != 'auto') { | |
131 | $lang = $pref_lang; | |
132 | } | |
133 | } | |
134 | ||
135 | if ($lang) { | |
136 | if (defined('LC_MESSAGES')) { | |
137 | _setlocale(LC_MESSAGES, $lang); | |
138 | } else if (defined('LC_ALL')) { | |
139 | _setlocale(LC_ALL, $lang); | |
140 | } | |
141 | ||
142 | _bindtextdomain("messages", "locale"); | |
143 | ||
144 | _textdomain("messages"); | |
145 | _bind_textdomain_codeset("messages", "UTF-8"); | |
146 | } | |
147 | } | |
148 | ||
149 | require_once 'db-prefs.php'; | |
150 | require_once 'version.php'; | |
151 | require_once 'controls.php'; | |
152 | ||
153 | define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)'); | |
154 | ini_set('user_agent', SELF_USER_AGENT); | |
155 | ||
156 | $schema_version = false; | |
157 | ||
158 | // TODO: compat wrapper, remove at some point | |
159 | function _debug($msg) { | |
160 | Debug::log($msg); | |
161 | } | |
162 | ||
163 | /** | |
164 | * Purge a feed old posts. | |
165 | * | |
166 | * @param mixed $link A database connection. | |
167 | * @param mixed $feed_id The id of the purged feed. | |
168 | * @param mixed $purge_interval Olderness of purged posts. | |
169 | * @param boolean $debug Set to True to enable the debug. False by default. | |
170 | * @access public | |
171 | * @return void | |
172 | */ | |
173 | function purge_feed($feed_id, $purge_interval) { | |
174 | ||
175 | if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id); | |
176 | ||
177 | $pdo = Db::pdo(); | |
178 | ||
179 | $sth = $pdo->prepare("SELECT owner_uid FROM ttrss_feeds WHERE id = ?"); | |
180 | $sth->execute([$feed_id]); | |
181 | ||
182 | $owner_uid = false; | |
183 | ||
184 | if ($row = $sth->fetch()) { | |
185 | $owner_uid = $row["owner_uid"]; | |
186 | } | |
187 | ||
188 | if ($purge_interval == -1 || !$purge_interval) { | |
189 | if ($owner_uid) { | |
190 | CCache::update($feed_id, $owner_uid); | |
191 | } | |
192 | return; | |
193 | } | |
194 | ||
195 | if (!$owner_uid) return; | |
196 | ||
197 | if (FORCE_ARTICLE_PURGE == 0) { | |
198 | $purge_unread = get_pref("PURGE_UNREAD_ARTICLES", | |
199 | $owner_uid, false); | |
200 | } else { | |
201 | $purge_unread = true; | |
202 | $purge_interval = FORCE_ARTICLE_PURGE; | |
203 | } | |
204 | ||
205 | if (!$purge_unread) | |
206 | $query_limit = " unread = false AND "; | |
207 | else | |
208 | $query_limit = ""; | |
209 | ||
210 | $purge_interval = (int) $purge_interval; | |
211 | ||
212 | if (DB_TYPE == "pgsql") { | |
213 | $sth = $pdo->prepare("DELETE FROM ttrss_user_entries | |
214 | USING ttrss_entries | |
215 | WHERE ttrss_entries.id = ref_id AND | |
216 | marked = false AND | |
217 | feed_id = ? AND | |
218 | $query_limit | |
219 | ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'"); | |
220 | $sth->execute([$feed_id]); | |
221 | ||
222 | } else { | |
223 | $sth = $pdo->prepare("DELETE FROM ttrss_user_entries | |
224 | USING ttrss_user_entries, ttrss_entries | |
225 | WHERE ttrss_entries.id = ref_id AND | |
226 | marked = false AND | |
227 | feed_id = ? AND | |
228 | $query_limit | |
229 | ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); | |
230 | $sth->execute([$feed_id]); | |
231 | ||
232 | } | |
233 | ||
234 | $rows = $sth->rowCount(); | |
235 | ||
236 | CCache::update($feed_id, $owner_uid); | |
237 | ||
238 | Debug::log("Purged feed $feed_id ($purge_interval): deleted $rows articles"); | |
239 | ||
240 | return $rows; | |
241 | } // function purge_feed | |
242 | ||
243 | function feed_purge_interval($feed_id) { | |
244 | ||
245 | $pdo = DB::pdo(); | |
246 | ||
247 | $sth = $pdo->prepare("SELECT purge_interval, owner_uid FROM ttrss_feeds | |
248 | WHERE id = ?"); | |
249 | $sth->execute([$feed_id]); | |
250 | ||
251 | if ($row = $sth->fetch()) { | |
252 | $purge_interval = $row["purge_interval"]; | |
253 | $owner_uid = $row["owner_uid"]; | |
254 | ||
255 | if ($purge_interval == 0) $purge_interval = get_pref( | |
256 | 'PURGE_OLD_DAYS', $owner_uid); | |
257 | ||
258 | return $purge_interval; | |
259 | ||
260 | } else { | |
261 | return -1; | |
262 | } | |
263 | } | |
264 | ||
265 | // TODO: max_size currently only works for CURL transfers | |
266 | // TODO: multiple-argument way is deprecated, first parameter is a hash now | |
267 | function fetch_file_contents($options /* previously: 0: $url , 1: $type = false, 2: $login = false, 3: $pass = false, | |
268 | 4: $post_query = false, 5: $timeout = false, 6: $timestamp = 0, 7: $useragent = false*/) { | |
269 | ||
270 | global $fetch_last_error; | |
271 | global $fetch_last_error_code; | |
272 | global $fetch_last_error_content; | |
273 | global $fetch_last_content_type; | |
274 | global $fetch_last_modified; | |
275 | global $fetch_effective_url; | |
276 | global $fetch_curl_used; | |
277 | ||
278 | $fetch_last_error = false; | |
279 | $fetch_last_error_code = -1; | |
280 | $fetch_last_error_content = ""; | |
281 | $fetch_last_content_type = ""; | |
282 | $fetch_curl_used = false; | |
283 | $fetch_last_modified = ""; | |
284 | $fetch_effective_url = ""; | |
285 | ||
286 | if (!is_array($options)) { | |
287 | ||
288 | // falling back on compatibility shim | |
289 | $option_names = [ "url", "type", "login", "pass", "post_query", "timeout", "last_modified", "useragent" ]; | |
290 | $tmp = []; | |
291 | ||
292 | for ($i = 0; $i < func_num_args(); $i++) { | |
293 | $tmp[$option_names[$i]] = func_get_arg($i); | |
294 | } | |
295 | ||
296 | $options = $tmp; | |
297 | ||
298 | /*$options = array( | |
299 | "url" => func_get_arg(0), | |
300 | "type" => @func_get_arg(1), | |
301 | "login" => @func_get_arg(2), | |
302 | "pass" => @func_get_arg(3), | |
303 | "post_query" => @func_get_arg(4), | |
304 | "timeout" => @func_get_arg(5), | |
305 | "timestamp" => @func_get_arg(6), | |
306 | "useragent" => @func_get_arg(7) | |
307 | ); */ | |
308 | } | |
309 | ||
310 | $url = $options["url"]; | |
311 | $type = isset($options["type"]) ? $options["type"] : false; | |
312 | $login = isset($options["login"]) ? $options["login"] : false; | |
313 | $pass = isset($options["pass"]) ? $options["pass"] : false; | |
314 | $post_query = isset($options["post_query"]) ? $options["post_query"] : false; | |
315 | $timeout = isset($options["timeout"]) ? $options["timeout"] : false; | |
316 | $last_modified = isset($options["last_modified"]) ? $options["last_modified"] : ""; | |
317 | $useragent = isset($options["useragent"]) ? $options["useragent"] : false; | |
318 | $followlocation = isset($options["followlocation"]) ? $options["followlocation"] : true; | |
319 | $max_size = isset($options["max_size"]) ? $options["max_size"] : MAX_DOWNLOAD_FILE_SIZE; // in bytes | |
320 | $http_accept = isset($options["http_accept"]) ? $options["http_accept"] : false; | |
321 | ||
322 | $url = ltrim($url, ' '); | |
323 | $url = str_replace(' ', '%20', $url); | |
324 | ||
325 | if (strpos($url, "//") === 0) | |
326 | $url = 'http:' . $url; | |
327 | ||
328 | if (!defined('NO_CURL') && function_exists('curl_init') && !ini_get("open_basedir")) { | |
329 | ||
330 | $fetch_curl_used = true; | |
331 | ||
332 | $ch = curl_init($url); | |
333 | ||
334 | $curl_http_headers = []; | |
335 | ||
336 | if ($last_modified && !$post_query) | |
337 | array_push($curl_http_headers, "If-Modified-Since: $last_modified"); | |
338 | ||
339 | if ($http_accept) | |
340 | array_push($curl_http_headers, "Accept: " . $http_accept); | |
341 | ||
342 | if (count($curl_http_headers) > 0) | |
343 | curl_setopt($ch, CURLOPT_HTTPHEADER, $curl_http_headers); | |
344 | ||
345 | curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT); | |
346 | curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT); | |
347 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("open_basedir") && $followlocation); | |
348 | curl_setopt($ch, CURLOPT_MAXREDIRS, 20); | |
349 | curl_setopt($ch, CURLOPT_BINARYTRANSFER, true); | |
350 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); | |
351 | curl_setopt($ch, CURLOPT_HEADER, true); | |
352 | curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY); | |
353 | curl_setopt($ch, CURLOPT_USERAGENT, $useragent ? $useragent : | |
354 | SELF_USER_AGENT); | |
355 | curl_setopt($ch, CURLOPT_ENCODING, ""); | |
356 | //curl_setopt($ch, CURLOPT_REFERER, $url); | |
357 | ||
358 | if ($max_size) { | |
359 | curl_setopt($ch, CURLOPT_NOPROGRESS, false); | |
360 | curl_setopt($ch, CURLOPT_BUFFERSIZE, 16384); // needed to get 5 arguments in progress function? | |
361 | ||
362 | // holy shit closures in php | |
363 | // download & upload are *expected* sizes respectively, could be zero | |
364 | curl_setopt($ch, CURLOPT_PROGRESSFUNCTION, function($curl_handle, $download_size, $downloaded, $upload_size, $uploaded) use( &$max_size) { | |
365 | Debug::log("[curl progressfunction] $downloaded $max_size", Debug::$LOG_EXTENDED); | |
366 | ||
367 | return ($downloaded > $max_size) ? 1 : 0; // if max size is set, abort when exceeding it | |
368 | }); | |
369 | ||
370 | } | |
371 | ||
372 | if (!ini_get("open_basedir")) { | |
373 | curl_setopt($ch, CURLOPT_COOKIEJAR, "/dev/null"); | |
374 | } | |
375 | ||
376 | if (defined('_HTTP_PROXY')) { | |
377 | curl_setopt($ch, CURLOPT_PROXY, _HTTP_PROXY); | |
378 | } | |
379 | ||
380 | if ($post_query) { | |
381 | curl_setopt($ch, CURLOPT_POST, true); | |
382 | curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query); | |
383 | } | |
384 | ||
385 | if ($login && $pass) | |
386 | curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass"); | |
387 | ||
388 | $ret = @curl_exec($ch); | |
389 | ||
390 | $headers_length = curl_getinfo($ch, CURLINFO_HEADER_SIZE); | |
391 | $headers = explode("\r\n", substr($ret, 0, $headers_length)); | |
392 | $contents = substr($ret, $headers_length); | |
393 | ||
394 | foreach ($headers as $header) { | |
395 | if (strstr($header, ": ") !== FALSE) { | |
396 | list ($key, $value) = explode(": ", $header); | |
397 | ||
398 | if (strtolower($key) == "last-modified") { | |
399 | $fetch_last_modified = $value; | |
400 | } | |
401 | } | |
402 | ||
403 | if (substr(strtolower($header), 0, 7) == 'http/1.') { | |
404 | $fetch_last_error_code = (int) substr($header, 9, 3); | |
405 | $fetch_last_error = $header; | |
406 | } | |
407 | } | |
408 | ||
409 | if (curl_errno($ch) === 23 || curl_errno($ch) === 61) { | |
410 | curl_setopt($ch, CURLOPT_ENCODING, 'none'); | |
411 | $contents = @curl_exec($ch); | |
412 | } | |
413 | ||
414 | $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); | |
415 | $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE); | |
416 | ||
417 | $fetch_effective_url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL); | |
418 | ||
419 | $fetch_last_error_code = $http_code; | |
420 | ||
421 | if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) { | |
422 | ||
423 | if (curl_errno($ch) != 0) { | |
424 | $fetch_last_error .= "; " . curl_errno($ch) . " " . curl_error($ch); | |
425 | } | |
426 | ||
427 | $fetch_last_error_content = $contents; | |
428 | curl_close($ch); | |
429 | return false; | |
430 | } | |
431 | ||
432 | if (!$contents) { | |
433 | $fetch_last_error = curl_errno($ch) . " " . curl_error($ch); | |
434 | curl_close($ch); | |
435 | return false; | |
436 | } | |
437 | ||
438 | curl_close($ch); | |
439 | ||
440 | return $contents; | |
441 | } else { | |
442 | ||
443 | $fetch_curl_used = false; | |
444 | ||
445 | if ($login && $pass){ | |
446 | $url_parts = array(); | |
447 | ||
448 | preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts); | |
449 | ||
450 | $pass = urlencode($pass); | |
451 | ||
452 | if ($url_parts[1] && $url_parts[2]) { | |
453 | $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2]; | |
454 | } | |
455 | } | |
456 | ||
457 | // TODO: should this support POST requests or not? idk | |
458 | ||
459 | $context_options = array( | |
460 | 'http' => array( | |
461 | 'header' => array( | |
462 | 'Connection: close' | |
463 | ), | |
464 | 'method' => 'GET', | |
465 | 'ignore_errors' => true, | |
466 | 'timeout' => $timeout ? $timeout : FILE_FETCH_TIMEOUT, | |
467 | 'protocol_version'=> 1.1) | |
468 | ); | |
469 | ||
470 | if (!$post_query && $last_modified) | |
471 | array_push($context_options['http']['header'], "If-Modified-Since: $last_modified"); | |
472 | ||
473 | if ($http_accept) | |
474 | array_push($context_options['http']['header'], "Accept: $http_accept"); | |
475 | ||
476 | if (defined('_HTTP_PROXY')) { | |
477 | $context_options['http']['request_fulluri'] = true; | |
478 | $context_options['http']['proxy'] = _HTTP_PROXY; | |
479 | } | |
480 | ||
481 | $context = stream_context_create($context_options); | |
482 | ||
483 | $old_error = error_get_last(); | |
484 | ||
485 | $fetch_effective_url = $url; | |
486 | ||
487 | $data = @file_get_contents($url, false, $context); | |
488 | ||
489 | if (isset($http_response_header) && is_array($http_response_header)) { | |
490 | foreach ($http_response_header as $header) { | |
491 | if (strstr($header, ": ") !== FALSE) { | |
492 | list ($key, $value) = explode(": ", $header); | |
493 | ||
494 | $key = strtolower($key); | |
495 | ||
496 | if ($key == 'content-type') { | |
497 | $fetch_last_content_type = $value; | |
498 | // don't abort here b/c there might be more than one | |
499 | // e.g. if we were being redirected -- last one is the right one | |
500 | } else if ($key == 'last-modified') { | |
501 | $fetch_last_modified = $value; | |
502 | } else if ($key == 'location') { | |
503 | $fetch_effective_url = $value; | |
504 | } | |
505 | } | |
506 | ||
507 | if (substr(strtolower($header), 0, 7) == 'http/1.') { | |
508 | $fetch_last_error_code = (int) substr($header, 9, 3); | |
509 | $fetch_last_error = $header; | |
510 | } | |
511 | } | |
512 | } | |
513 | ||
514 | if ($fetch_last_error_code != 200) { | |
515 | $error = error_get_last(); | |
516 | ||
517 | if ($error['message'] != $old_error['message']) { | |
518 | $fetch_last_error .= "; " . $error["message"]; | |
519 | } | |
520 | ||
521 | $fetch_last_error_content = $data; | |
522 | ||
523 | return false; | |
524 | } | |
525 | return $data; | |
526 | } | |
527 | ||
528 | } | |
529 | ||
530 | /** | |
531 | * Try to determine the favicon URL for a feed. | |
532 | * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/) | |
533 | * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php | |
534 | * | |
535 | * @param string $url A feed or page URL | |
536 | * @access public | |
537 | * @return mixed The favicon URL, or false if none was found. | |
538 | */ | |
539 | function get_favicon_url($url) { | |
540 | ||
541 | $favicon_url = false; | |
542 | ||
543 | if ($html = @fetch_file_contents($url)) { | |
544 | ||
545 | libxml_use_internal_errors(true); | |
546 | ||
547 | $doc = new DOMDocument(); | |
548 | $doc->loadHTML($html); | |
549 | $xpath = new DOMXPath($doc); | |
550 | ||
551 | $base = $xpath->query('/html/head/base[@href]'); | |
552 | foreach ($base as $b) { | |
553 | $url = rewrite_relative_url($url, $b->getAttribute("href")); | |
554 | break; | |
555 | } | |
556 | ||
557 | $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]'); | |
558 | if (count($entries) > 0) { | |
559 | foreach ($entries as $entry) { | |
560 | $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href")); | |
561 | break; | |
562 | } | |
563 | } | |
564 | } | |
565 | ||
566 | if (!$favicon_url) | |
567 | $favicon_url = rewrite_relative_url($url, "/favicon.ico"); | |
568 | ||
569 | return $favicon_url; | |
570 | } // function get_favicon_url | |
571 | ||
572 | function initialize_user_prefs($uid, $profile = false) { | |
573 | ||
574 | if (get_schema_version() < 63) $profile_qpart = ""; | |
575 | ||
576 | $pdo = DB::pdo(); | |
577 | $in_nested_tr = false; | |
578 | ||
579 | try { | |
580 | $pdo->beginTransaction(); | |
581 | } catch (Exception $e) { | |
582 | $in_nested_tr = true; | |
583 | } | |
584 | ||
585 | $sth = $pdo->query("SELECT pref_name,def_value FROM ttrss_prefs"); | |
586 | ||
587 | $profile = $profile ? $profile : null; | |
588 | ||
589 | $u_sth = $pdo->prepare("SELECT pref_name | |
590 | FROM ttrss_user_prefs WHERE owner_uid = :uid AND | |
591 | (profile = :profile OR (:profile IS NULL AND profile IS NULL))"); | |
592 | $u_sth->execute([':uid' => $uid, ':profile' => $profile]); | |
593 | ||
594 | $active_prefs = array(); | |
595 | ||
596 | while ($line = $u_sth->fetch()) { | |
597 | array_push($active_prefs, $line["pref_name"]); | |
598 | } | |
599 | ||
600 | while ($line = $sth->fetch()) { | |
601 | if (array_search($line["pref_name"], $active_prefs) === FALSE) { | |
602 | // print "adding " . $line["pref_name"] . "<br>"; | |
603 | ||
604 | if (get_schema_version() < 63) { | |
605 | $i_sth = $pdo->prepare("INSERT INTO ttrss_user_prefs | |
606 | (owner_uid,pref_name,value) VALUES | |
607 | (?, ?, ?)"); | |
608 | $i_sth->execute([$uid, $line["pref_name"], $line["def_value"]]); | |
609 | ||
610 | } else { | |
611 | $i_sth = $pdo->prepare("INSERT INTO ttrss_user_prefs | |
612 | (owner_uid,pref_name,value, profile) VALUES | |
613 | (?, ?, ?, ?)"); | |
614 | $i_sth->execute([$uid, $line["pref_name"], $line["def_value"], $profile]); | |
615 | } | |
616 | ||
617 | } | |
618 | } | |
619 | ||
620 | if (!$in_nested_tr) $pdo->commit(); | |
621 | ||
622 | } | |
623 | ||
624 | function get_ssl_certificate_id() { | |
625 | if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) { | |
626 | return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] . | |
627 | $_SERVER["REDIRECT_SSL_CLIENT_V_START"] . | |
628 | $_SERVER["REDIRECT_SSL_CLIENT_V_END"] . | |
629 | $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]); | |
630 | } | |
631 | if ($_SERVER["SSL_CLIENT_M_SERIAL"]) { | |
632 | return sha1($_SERVER["SSL_CLIENT_M_SERIAL"] . | |
633 | $_SERVER["SSL_CLIENT_V_START"] . | |
634 | $_SERVER["SSL_CLIENT_V_END"] . | |
635 | $_SERVER["SSL_CLIENT_S_DN"]); | |
636 | } | |
637 | return ""; | |
638 | } | |
639 | ||
640 | function authenticate_user($login, $password, $check_only = false) { | |
641 | ||
642 | if (!SINGLE_USER_MODE) { | |
643 | $user_id = false; | |
644 | $auth_module = false; | |
645 | ||
646 | foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) { | |
647 | ||
648 | $user_id = (int) $plugin->authenticate($login, $password); | |
649 | ||
650 | if ($user_id) { | |
651 | $auth_module = strtolower(get_class($plugin)); | |
652 | break; | |
653 | } | |
654 | } | |
655 | ||
656 | if ($user_id && !$check_only) { | |
657 | ||
658 | session_start(); | |
659 | session_regenerate_id(true); | |
660 | ||
661 | $_SESSION["uid"] = $user_id; | |
662 | $_SESSION["version"] = VERSION_STATIC; | |
663 | $_SESSION["auth_module"] = $auth_module; | |
664 | ||
665 | $pdo = DB::pdo(); | |
666 | $sth = $pdo->prepare("SELECT login,access_level,pwd_hash FROM ttrss_users | |
667 | WHERE id = ?"); | |
668 | $sth->execute([$user_id]); | |
669 | $row = $sth->fetch(); | |
670 | ||
671 | $_SESSION["name"] = $row["login"]; | |
672 | $_SESSION["access_level"] = $row["access_level"]; | |
673 | $_SESSION["csrf_token"] = uniqid_short(); | |
674 | ||
675 | $usth = $pdo->prepare("UPDATE ttrss_users SET last_login = NOW() WHERE id = ?"); | |
676 | $usth->execute([$user_id]); | |
677 | ||
678 | $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"]; | |
679 | $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']); | |
680 | $_SESSION["pwd_hash"] = $row["pwd_hash"]; | |
681 | ||
682 | $_SESSION["last_version_check"] = time(); | |
683 | ||
684 | initialize_user_prefs($_SESSION["uid"]); | |
685 | ||
686 | return true; | |
687 | } | |
688 | ||
689 | return false; | |
690 | ||
691 | } else { | |
692 | ||
693 | $_SESSION["uid"] = 1; | |
694 | $_SESSION["name"] = "admin"; | |
695 | $_SESSION["access_level"] = 10; | |
696 | ||
697 | $_SESSION["hide_hello"] = true; | |
698 | $_SESSION["hide_logout"] = true; | |
699 | ||
700 | $_SESSION["auth_module"] = false; | |
701 | ||
702 | if (!$_SESSION["csrf_token"]) { | |
703 | $_SESSION["csrf_token"] = uniqid_short(); | |
704 | } | |
705 | ||
706 | $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"]; | |
707 | ||
708 | initialize_user_prefs($_SESSION["uid"]); | |
709 | ||
710 | return true; | |
711 | } | |
712 | } | |
713 | ||
714 | // this is used for user http parameters unless HTML code is actually needed | |
715 | function clean($param) { | |
716 | if (is_array($param)) { | |
717 | return array_map("strip_tags", $param); | |
718 | } else if (is_string($param)) { | |
719 | return strip_tags($param); | |
720 | } else { | |
721 | return $param; | |
722 | } | |
723 | } | |
724 | ||
725 | function make_password($length = 8) { | |
726 | ||
727 | $password = ""; | |
728 | $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ"; | |
729 | ||
730 | $i = 0; | |
731 | ||
732 | while ($i < $length) { | |
733 | $char = substr($possible, mt_rand(0, strlen($possible)-1), 1); | |
734 | ||
735 | if (!strstr($password, $char)) { | |
736 | $password .= $char; | |
737 | $i++; | |
738 | } | |
739 | } | |
740 | return $password; | |
741 | } | |
742 | ||
743 | // this is called after user is created to initialize default feeds, labels | |
744 | // or whatever else | |
745 | ||
746 | // user preferences are checked on every login, not here | |
747 | ||
748 | function initialize_user($uid) { | |
749 | ||
750 | $pdo = DB::pdo(); | |
751 | ||
752 | $sth = $pdo->prepare("insert into ttrss_feeds (owner_uid,title,feed_url) | |
753 | values (?, 'Tiny Tiny RSS: Forum', | |
754 | 'http://tt-rss.org/forum/rss.php')"); | |
755 | $sth->execute([$uid]); | |
756 | } | |
757 | ||
758 | function logout_user() { | |
759 | @session_destroy(); | |
760 | if (isset($_COOKIE[session_name()])) { | |
761 | setcookie(session_name(), '', time()-42000, '/'); | |
762 | } | |
763 | session_commit(); | |
764 | } | |
765 | ||
766 | function validate_csrf($csrf_token) { | |
767 | return $csrf_token == $_SESSION['csrf_token']; | |
768 | } | |
769 | ||
770 | function load_user_plugins($owner_uid, $pluginhost = false) { | |
771 | ||
772 | if (!$pluginhost) $pluginhost = PluginHost::getInstance(); | |
773 | ||
774 | if ($owner_uid && SCHEMA_VERSION >= 100) { | |
775 | $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid); | |
776 | ||
777 | $pluginhost->load($plugins, PluginHost::KIND_USER, $owner_uid); | |
778 | ||
779 | if (get_schema_version() > 100) { | |
780 | $pluginhost->load_data(); | |
781 | } | |
782 | } | |
783 | } | |
784 | ||
785 | function login_sequence() { | |
786 | $pdo = Db::pdo(); | |
787 | ||
788 | if (SINGLE_USER_MODE) { | |
789 | @session_start(); | |
790 | authenticate_user("admin", null); | |
791 | startup_gettext(); | |
792 | load_user_plugins($_SESSION["uid"]); | |
793 | } else { | |
794 | if (!validate_session()) $_SESSION["uid"] = false; | |
795 | ||
796 | if (!$_SESSION["uid"]) { | |
797 | ||
798 | if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) { | |
799 | $_SESSION["ref_schema_version"] = get_schema_version(true); | |
800 | } else { | |
801 | authenticate_user(null, null, true); | |
802 | } | |
803 | ||
804 | if (!$_SESSION["uid"]) { | |
805 | logout_user(); | |
806 | ||
807 | render_login_form(); | |
808 | exit; | |
809 | } | |
810 | ||
811 | } else { | |
812 | /* bump login timestamp */ | |
813 | $sth = $pdo->prepare("UPDATE ttrss_users SET last_login = NOW() WHERE id = ?"); | |
814 | $sth->execute([$_SESSION['uid']]); | |
815 | ||
816 | $_SESSION["last_login_update"] = time(); | |
817 | } | |
818 | ||
819 | if ($_SESSION["uid"]) { | |
820 | startup_gettext(); | |
821 | load_user_plugins($_SESSION["uid"]); | |
822 | ||
823 | /* cleanup ccache */ | |
824 | ||
825 | $sth = $pdo->prepare("DELETE FROM ttrss_counters_cache WHERE owner_uid = ? | |
826 | AND | |
827 | (SELECT COUNT(id) FROM ttrss_feeds WHERE | |
828 | ttrss_feeds.id = feed_id) = 0"); | |
829 | ||
830 | $sth->execute([$_SESSION['uid']]); | |
831 | ||
832 | $sth = $pdo->prepare("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ? | |
833 | AND | |
834 | (SELECT COUNT(id) FROM ttrss_feed_categories WHERE | |
835 | ttrss_feed_categories.id = feed_id) = 0"); | |
836 | ||
837 | $sth->execute([$_SESSION['uid']]); | |
838 | } | |
839 | ||
840 | } | |
841 | } | |
842 | ||
843 | function truncate_string($str, $max_len, $suffix = '…') { | |
844 | if (mb_strlen($str, "utf-8") > $max_len) { | |
845 | return mb_substr($str, 0, $max_len, "utf-8") . $suffix; | |
846 | } else { | |
847 | return $str; | |
848 | } | |
849 | } | |
850 | ||
851 | // is not utf8 clean | |
852 | function truncate_middle($str, $max_len, $suffix = '…') { | |
853 | if (strlen($str) > $max_len) { | |
854 | return substr_replace($str, $suffix, $max_len / 2, mb_strlen($str) - $max_len); | |
855 | } else { | |
856 | return $str; | |
857 | } | |
858 | } | |
859 | ||
860 | function convert_timestamp($timestamp, $source_tz, $dest_tz) { | |
861 | ||
862 | try { | |
863 | $source_tz = new DateTimeZone($source_tz); | |
864 | } catch (Exception $e) { | |
865 | $source_tz = new DateTimeZone('UTC'); | |
866 | } | |
867 | ||
868 | try { | |
869 | $dest_tz = new DateTimeZone($dest_tz); | |
870 | } catch (Exception $e) { | |
871 | $dest_tz = new DateTimeZone('UTC'); | |
872 | } | |
873 | ||
874 | $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz); | |
875 | return $dt->format('U') + $dest_tz->getOffset($dt); | |
876 | } | |
877 | ||
878 | function make_local_datetime($timestamp, $long, $owner_uid = false, | |
879 | $no_smart_dt = false, $eta_min = false) { | |
880 | ||
881 | if (!$owner_uid) $owner_uid = $_SESSION['uid']; | |
882 | if (!$timestamp) $timestamp = '1970-01-01 0:00'; | |
883 | ||
884 | global $utc_tz; | |
885 | global $user_tz; | |
886 | ||
887 | if (!$utc_tz) $utc_tz = new DateTimeZone('UTC'); | |
888 | ||
889 | $timestamp = substr($timestamp, 0, 19); | |
890 | ||
891 | # We store date in UTC internally | |
892 | $dt = new DateTime($timestamp, $utc_tz); | |
893 | ||
894 | $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid); | |
895 | ||
896 | if ($user_tz_string != 'Automatic') { | |
897 | ||
898 | try { | |
899 | if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string); | |
900 | } catch (Exception $e) { | |
901 | $user_tz = $utc_tz; | |
902 | } | |
903 | ||
904 | $tz_offset = $user_tz->getOffset($dt); | |
905 | } else { | |
906 | $tz_offset = (int) -$_SESSION["clientTzOffset"]; | |
907 | } | |
908 | ||
909 | $user_timestamp = $dt->format('U') + $tz_offset; | |
910 | ||
911 | if (!$no_smart_dt) { | |
912 | return smart_date_time($user_timestamp, | |
913 | $tz_offset, $owner_uid, $eta_min); | |
914 | } else { | |
915 | if ($long) | |
916 | $format = get_pref('LONG_DATE_FORMAT', $owner_uid); | |
917 | else | |
918 | $format = get_pref('SHORT_DATE_FORMAT', $owner_uid); | |
919 | ||
920 | return date($format, $user_timestamp); | |
921 | } | |
922 | } | |
923 | ||
924 | function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false, $eta_min = false) { | |
925 | if (!$owner_uid) $owner_uid = $_SESSION['uid']; | |
926 | ||
927 | if ($eta_min && time() + $tz_offset - $timestamp < 3600) { | |
928 | return T_sprintf("%d min", date("i", time() + $tz_offset - $timestamp)); | |
929 | } else if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) { | |
930 | return date("G:i", $timestamp); | |
931 | } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) { | |
932 | $format = get_pref('SHORT_DATE_FORMAT', $owner_uid); | |
933 | return date($format, $timestamp); | |
934 | } else { | |
935 | $format = get_pref('LONG_DATE_FORMAT', $owner_uid); | |
936 | return date($format, $timestamp); | |
937 | } | |
938 | } | |
939 | ||
940 | function sql_bool_to_bool($s) { | |
941 | return $s && ($s !== "f" && $s !== "false"); //no-op for PDO, backwards compat for legacy layer | |
942 | } | |
943 | ||
944 | function bool_to_sql_bool($s) { | |
945 | return $s ? 1 : 0; | |
946 | } | |
947 | ||
948 | // Session caching removed due to causing wrong redirects to upgrade | |
949 | // script when get_schema_version() is called on an obsolete session | |
950 | // created on a previous schema version. | |
951 | function get_schema_version($nocache = false) { | |
952 | global $schema_version; | |
953 | ||
954 | $pdo = DB::pdo(); | |
955 | ||
956 | if (!$schema_version && !$nocache) { | |
957 | $row = $pdo->query("SELECT schema_version FROM ttrss_version")->fetch(); | |
958 | $version = $row["schema_version"]; | |
959 | $schema_version = $version; | |
960 | return $version; | |
961 | } else { | |
962 | return $schema_version; | |
963 | } | |
964 | } | |
965 | ||
966 | function sanity_check() { | |
967 | require_once 'errors.php'; | |
968 | global $ERRORS; | |
969 | ||
970 | $error_code = 0; | |
971 | $schema_version = get_schema_version(true); | |
972 | ||
973 | if ($schema_version != SCHEMA_VERSION) { | |
974 | $error_code = 5; | |
975 | } | |
976 | ||
977 | return array("code" => $error_code, "message" => $ERRORS[$error_code]); | |
978 | } | |
979 | ||
980 | function file_is_locked($filename) { | |
981 | if (file_exists(LOCK_DIRECTORY . "/$filename")) { | |
982 | if (function_exists('flock')) { | |
983 | $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r"); | |
984 | if ($fp) { | |
985 | if (flock($fp, LOCK_EX | LOCK_NB)) { | |
986 | flock($fp, LOCK_UN); | |
987 | fclose($fp); | |
988 | return false; | |
989 | } | |
990 | fclose($fp); | |
991 | return true; | |
992 | } else { | |
993 | return false; | |
994 | } | |
995 | } | |
996 | return true; // consider the file always locked and skip the test | |
997 | } else { | |
998 | return false; | |
999 | } | |
1000 | } | |
1001 | ||
1002 | ||
1003 | function make_lockfile($filename) { | |
1004 | $fp = fopen(LOCK_DIRECTORY . "/$filename", "w"); | |
1005 | ||
1006 | if ($fp && flock($fp, LOCK_EX | LOCK_NB)) { | |
1007 | $stat_h = fstat($fp); | |
1008 | $stat_f = stat(LOCK_DIRECTORY . "/$filename"); | |
1009 | ||
1010 | if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') { | |
1011 | if ($stat_h["ino"] != $stat_f["ino"] || | |
1012 | $stat_h["dev"] != $stat_f["dev"]) { | |
1013 | ||
1014 | return false; | |
1015 | } | |
1016 | } | |
1017 | ||
1018 | if (function_exists('posix_getpid')) { | |
1019 | fwrite($fp, posix_getpid() . "\n"); | |
1020 | } | |
1021 | return $fp; | |
1022 | } else { | |
1023 | return false; | |
1024 | } | |
1025 | } | |
1026 | ||
1027 | function make_stampfile($filename) { | |
1028 | $fp = fopen(LOCK_DIRECTORY . "/$filename", "w"); | |
1029 | ||
1030 | if (flock($fp, LOCK_EX | LOCK_NB)) { | |
1031 | fwrite($fp, time() . "\n"); | |
1032 | flock($fp, LOCK_UN); | |
1033 | fclose($fp); | |
1034 | return true; | |
1035 | } else { | |
1036 | return false; | |
1037 | } | |
1038 | } | |
1039 | ||
1040 | function sql_random_function() { | |
1041 | if (DB_TYPE == "mysql") { | |
1042 | return "RAND()"; | |
1043 | } else { | |
1044 | return "RANDOM()"; | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | function getFeedUnread($feed, $is_cat = false) { | |
1049 | return Feeds::getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]); | |
1050 | } | |
1051 | ||
1052 | function checkbox_to_sql_bool($val) { | |
1053 | return ($val == "on") ? 1 : 0; | |
1054 | } | |
1055 | ||
1056 | function uniqid_short() { | |
1057 | return uniqid(base_convert(rand(), 10, 36)); | |
1058 | } | |
1059 | ||
1060 | function make_init_params() { | |
1061 | $params = array(); | |
1062 | ||
1063 | foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS", | |
1064 | "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP", | |
1065 | "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE", | |
1066 | "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) { | |
1067 | ||
1068 | $params[strtolower($param)] = (int) get_pref($param); | |
1069 | } | |
1070 | ||
1071 | $params["icons_url"] = ICONS_URL; | |
1072 | $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME; | |
1073 | $params["default_view_mode"] = get_pref("_DEFAULT_VIEW_MODE"); | |
1074 | $params["default_view_limit"] = (int) get_pref("_DEFAULT_VIEW_LIMIT"); | |
1075 | $params["default_view_order_by"] = get_pref("_DEFAULT_VIEW_ORDER_BY"); | |
1076 | $params["bw_limit"] = (int) $_SESSION["bw_limit"]; | |
1077 | $params["is_default_pw"] = Pref_Prefs::isdefaultpassword(); | |
1078 | $params["label_base_index"] = (int) LABEL_BASE_INDEX; | |
1079 | ||
1080 | $theme = get_pref( "USER_CSS_THEME", false, false); | |
1081 | $params["theme"] = theme_valid("$theme") ? $theme : ""; | |
1082 | ||
1083 | $params["plugins"] = implode(", ", PluginHost::getInstance()->get_plugin_names()); | |
1084 | ||
1085 | $params["php_platform"] = PHP_OS; | |
1086 | $params["php_version"] = PHP_VERSION; | |
1087 | ||
1088 | $params["sanity_checksum"] = sha1(file_get_contents("include/sanity_check.php")); | |
1089 | ||
1090 | $pdo = Db::pdo(); | |
1091 | ||
1092 | $sth = $pdo->prepare("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM | |
1093 | ttrss_feeds WHERE owner_uid = ?"); | |
1094 | $sth->execute([$_SESSION['uid']]); | |
1095 | $row = $sth->fetch(); | |
1096 | ||
1097 | $max_feed_id = $row["mid"]; | |
1098 | $num_feeds = $row["nf"]; | |
1099 | ||
1100 | $params["max_feed_id"] = (int) $max_feed_id; | |
1101 | $params["num_feeds"] = (int) $num_feeds; | |
1102 | ||
1103 | $params["hotkeys"] = get_hotkeys_map(); | |
1104 | ||
1105 | $params["csrf_token"] = $_SESSION["csrf_token"]; | |
1106 | $params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"]; | |
1107 | ||
1108 | $params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE; | |
1109 | ||
1110 | $params["icon_alert"] = base64_img("images/alert.png"); | |
1111 | $params["icon_information"] = base64_img("images/information.png"); | |
1112 | $params["icon_cross"] = base64_img("images/cross.png"); | |
1113 | $params["icon_indicator_white"] = base64_img("images/indicator_white.gif"); | |
1114 | ||
1115 | $params["labels"] = Labels::get_all_labels($_SESSION["uid"]); | |
1116 | ||
1117 | return $params; | |
1118 | } | |
1119 | ||
1120 | function get_hotkeys_info() { | |
1121 | $hotkeys = array( | |
1122 | __("Navigation") => array( | |
1123 | "next_feed" => __("Open next feed"), | |
1124 | "prev_feed" => __("Open previous feed"), | |
1125 | "next_article" => __("Open next article"), | |
1126 | "prev_article" => __("Open previous article"), | |
1127 | "next_article_noscroll" => __("Open next article (don't scroll long articles)"), | |
1128 | "prev_article_noscroll" => __("Open previous article (don't scroll long articles)"), | |
1129 | "next_article_noexpand" => __("Move to next article (don't expand or mark read)"), | |
1130 | "prev_article_noexpand" => __("Move to previous article (don't expand or mark read)"), | |
1131 | "search_dialog" => __("Show search dialog")), | |
1132 | __("Article") => array( | |
1133 | "toggle_mark" => __("Toggle starred"), | |
1134 | "toggle_publ" => __("Toggle published"), | |
1135 | "toggle_unread" => __("Toggle unread"), | |
1136 | "edit_tags" => __("Edit tags"), | |
1137 | "open_in_new_window" => __("Open in new window"), | |
1138 | "catchup_below" => __("Mark below as read"), | |
1139 | "catchup_above" => __("Mark above as read"), | |
1140 | "article_scroll_down" => __("Scroll down"), | |
1141 | "article_scroll_up" => __("Scroll up"), | |
1142 | "select_article_cursor" => __("Select article under cursor"), | |
1143 | "email_article" => __("Email article"), | |
1144 | "close_article" => __("Close/collapse article"), | |
1145 | "toggle_expand" => __("Toggle article expansion (combined mode)"), | |
1146 | "toggle_widescreen" => __("Toggle widescreen mode"), | |
1147 | "toggle_embed_original" => __("Toggle embed original")), | |
1148 | __("Article selection") => array( | |
1149 | "select_all" => __("Select all articles"), | |
1150 | "select_unread" => __("Select unread"), | |
1151 | "select_marked" => __("Select starred"), | |
1152 | "select_published" => __("Select published"), | |
1153 | "select_invert" => __("Invert selection"), | |
1154 | "select_none" => __("Deselect everything")), | |
1155 | __("Feed") => array( | |
1156 | "feed_refresh" => __("Refresh current feed"), | |
1157 | "feed_unhide_read" => __("Un/hide read feeds"), | |
1158 | "feed_subscribe" => __("Subscribe to feed"), | |
1159 | "feed_edit" => __("Edit feed"), | |
1160 | "feed_catchup" => __("Mark as read"), | |
1161 | "feed_reverse" => __("Reverse headlines"), | |
1162 | "feed_toggle_vgroup" => __("Toggle headline grouping"), | |
1163 | "feed_debug_update" => __("Debug feed update"), | |
1164 | "feed_debug_viewfeed" => __("Debug viewfeed()"), | |
1165 | "catchup_all" => __("Mark all feeds as read"), | |
1166 | "cat_toggle_collapse" => __("Un/collapse current category"), | |
1167 | "toggle_combined_mode" => __("Toggle combined mode"), | |
1168 | "toggle_cdm_expanded" => __("Toggle auto expand in combined mode")), | |
1169 | __("Go to") => array( | |
1170 | "goto_all" => __("All articles"), | |
1171 | "goto_fresh" => __("Fresh"), | |
1172 | "goto_marked" => __("Starred"), | |
1173 | "goto_published" => __("Published"), | |
1174 | "goto_tagcloud" => __("Tag cloud"), | |
1175 | "goto_prefs" => __("Preferences")), | |
1176 | __("Other") => array( | |
1177 | "create_label" => __("Create label"), | |
1178 | "create_filter" => __("Create filter"), | |
1179 | "collapse_sidebar" => __("Un/collapse sidebar"), | |
1180 | "help_dialog" => __("Show help dialog")) | |
1181 | ); | |
1182 | ||
1183 | foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_INFO) as $plugin) { | |
1184 | $hotkeys = $plugin->hook_hotkey_info($hotkeys); | |
1185 | } | |
1186 | ||
1187 | return $hotkeys; | |
1188 | } | |
1189 | ||
1190 | function get_hotkeys_map() { | |
1191 | $hotkeys = array( | |
1192 | // "navigation" => array( | |
1193 | "k" => "next_feed", | |
1194 | "j" => "prev_feed", | |
1195 | "n" => "next_article", | |
1196 | "p" => "prev_article", | |
1197 | "(38)|up" => "prev_article", | |
1198 | "(40)|down" => "next_article", | |
1199 | // "^(38)|Ctrl-up" => "prev_article_noscroll", | |
1200 | // "^(40)|Ctrl-down" => "next_article_noscroll", | |
1201 | "(191)|/" => "search_dialog", | |
1202 | // "article" => array( | |
1203 | "s" => "toggle_mark", | |
1204 | "*s" => "toggle_publ", | |
1205 | "u" => "toggle_unread", | |
1206 | "*t" => "edit_tags", | |
1207 | "o" => "open_in_new_window", | |
1208 | "c p" => "catchup_below", | |
1209 | "c n" => "catchup_above", | |
1210 | "*n" => "article_scroll_down", | |
1211 | "*p" => "article_scroll_up", | |
1212 | "*(38)|Shift+up" => "article_scroll_up", | |
1213 | "*(40)|Shift+down" => "article_scroll_down", | |
1214 | "a *w" => "toggle_widescreen", | |
1215 | "a e" => "toggle_embed_original", | |
1216 | "e" => "email_article", | |
1217 | "a q" => "close_article", | |
1218 | // "article_selection" => array( | |
1219 | "a a" => "select_all", | |
1220 | "a u" => "select_unread", | |
1221 | "a *u" => "select_marked", | |
1222 | "a p" => "select_published", | |
1223 | "a i" => "select_invert", | |
1224 | "a n" => "select_none", | |
1225 | // "feed" => array( | |
1226 | "f r" => "feed_refresh", | |
1227 | "f a" => "feed_unhide_read", | |
1228 | "f s" => "feed_subscribe", | |
1229 | "f e" => "feed_edit", | |
1230 | "f q" => "feed_catchup", | |
1231 | "f x" => "feed_reverse", | |
1232 | "f g" => "feed_toggle_vgroup", | |
1233 | "f *d" => "feed_debug_update", | |
1234 | "f *g" => "feed_debug_viewfeed", | |
1235 | "f *c" => "toggle_combined_mode", | |
1236 | "f c" => "toggle_cdm_expanded", | |
1237 | "*q" => "catchup_all", | |
1238 | "x" => "cat_toggle_collapse", | |
1239 | // "goto" => array( | |
1240 | "g a" => "goto_all", | |
1241 | "g f" => "goto_fresh", | |
1242 | "g s" => "goto_marked", | |
1243 | "g p" => "goto_published", | |
1244 | "g t" => "goto_tagcloud", | |
1245 | "g *p" => "goto_prefs", | |
1246 | // "other" => array( | |
1247 | "(9)|Tab" => "select_article_cursor", // tab | |
1248 | "c l" => "create_label", | |
1249 | "c f" => "create_filter", | |
1250 | "c s" => "collapse_sidebar", | |
1251 | "^(191)|Ctrl+/" => "help_dialog", | |
1252 | ); | |
1253 | ||
1254 | if (get_pref('COMBINED_DISPLAY_MODE')) { | |
1255 | $hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll"; | |
1256 | $hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll"; | |
1257 | } | |
1258 | ||
1259 | foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_MAP) as $plugin) { | |
1260 | $hotkeys = $plugin->hook_hotkey_map($hotkeys); | |
1261 | } | |
1262 | ||
1263 | $prefixes = array(); | |
1264 | ||
1265 | foreach (array_keys($hotkeys) as $hotkey) { | |
1266 | $pair = explode(" ", $hotkey, 2); | |
1267 | ||
1268 | if (count($pair) > 1 && !in_array($pair[0], $prefixes)) { | |
1269 | array_push($prefixes, $pair[0]); | |
1270 | } | |
1271 | } | |
1272 | ||
1273 | return array($prefixes, $hotkeys); | |
1274 | } | |
1275 | ||
1276 | function check_for_update() { | |
1277 | if (defined("GIT_VERSION_TIMESTAMP")) { | |
1278 | $content = @fetch_file_contents(array("url" => "http://tt-rss.org/version.json", "timeout" => 5)); | |
1279 | ||
1280 | if ($content) { | |
1281 | $content = json_decode($content, true); | |
1282 | ||
1283 | if ($content && isset($content["changeset"])) { | |
1284 | if ((int)GIT_VERSION_TIMESTAMP < (int)$content["changeset"]["timestamp"] && | |
1285 | GIT_VERSION_HEAD != $content["changeset"]["id"]) { | |
1286 | ||
1287 | return $content["changeset"]["id"]; | |
1288 | } | |
1289 | } | |
1290 | } | |
1291 | } | |
1292 | ||
1293 | return ""; | |
1294 | } | |
1295 | ||
1296 | function make_runtime_info($disable_update_check = false) { | |
1297 | $data = array(); | |
1298 | ||
1299 | $pdo = Db::pdo(); | |
1300 | ||
1301 | $sth = $pdo->prepare("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM | |
1302 | ttrss_feeds WHERE owner_uid = ?"); | |
1303 | $sth->execute([$_SESSION['uid']]); | |
1304 | $row = $sth->fetch(); | |
1305 | ||
1306 | $max_feed_id = $row['mid']; | |
1307 | $num_feeds = $row['nf']; | |
1308 | ||
1309 | $data["max_feed_id"] = (int) $max_feed_id; | |
1310 | $data["num_feeds"] = (int) $num_feeds; | |
1311 | ||
1312 | $data['last_article_id'] = Article::getLastArticleId(); | |
1313 | $data['cdm_expanded'] = get_pref('CDM_EXPANDED'); | |
1314 | ||
1315 | $data['dep_ts'] = calculate_dep_timestamp(); | |
1316 | $data['reload_on_ts_change'] = !defined('_NO_RELOAD_ON_TS_CHANGE'); | |
1317 | ||
1318 | $data["labels"] = Labels::get_all_labels($_SESSION["uid"]); | |
1319 | ||
1320 | if (CHECK_FOR_UPDATES && !$disable_update_check && $_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) { | |
1321 | $update_result = @check_for_update(); | |
1322 | ||
1323 | $data["update_result"] = $update_result; | |
1324 | ||
1325 | $_SESSION["last_version_check"] = time(); | |
1326 | } | |
1327 | ||
1328 | if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) { | |
1329 | ||
1330 | $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock"); | |
1331 | ||
1332 | if (time() - $_SESSION["daemon_stamp_check"] > 30) { | |
1333 | ||
1334 | $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp"); | |
1335 | ||
1336 | if ($stamp) { | |
1337 | $stamp_delta = time() - $stamp; | |
1338 | ||
1339 | if ($stamp_delta > 1800) { | |
1340 | $stamp_check = 0; | |
1341 | } else { | |
1342 | $stamp_check = 1; | |
1343 | $_SESSION["daemon_stamp_check"] = time(); | |
1344 | } | |
1345 | ||
1346 | $data['daemon_stamp_ok'] = $stamp_check; | |
1347 | ||
1348 | $stamp_fmt = date("Y.m.d, G:i", $stamp); | |
1349 | ||
1350 | $data['daemon_stamp'] = $stamp_fmt; | |
1351 | } | |
1352 | } | |
1353 | } | |
1354 | ||
1355 | return $data; | |
1356 | } | |
1357 | ||
1358 | function search_to_sql($search, $search_language) { | |
1359 | ||
1360 | $keywords = str_getcsv(trim($search), " "); | |
1361 | $query_keywords = array(); | |
1362 | $search_words = array(); | |
1363 | $search_query_leftover = array(); | |
1364 | ||
1365 | $pdo = Db::pdo(); | |
1366 | ||
1367 | if ($search_language) | |
1368 | $search_language = $pdo->quote(mb_strtolower($search_language)); | |
1369 | else | |
1370 | $search_language = $pdo->quote("english"); | |
1371 | ||
1372 | foreach ($keywords as $k) { | |
1373 | if (strpos($k, "-") === 0) { | |
1374 | $k = substr($k, 1); | |
1375 | $not = "NOT"; | |
1376 | } else { | |
1377 | $not = ""; | |
1378 | } | |
1379 | ||
1380 | $commandpair = explode(":", mb_strtolower($k), 2); | |
1381 | ||
1382 | switch ($commandpair[0]) { | |
1383 | case "title": | |
1384 | if ($commandpair[1]) { | |
1385 | array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE ". | |
1386 | $pdo->quote('%' . mb_strtolower($commandpair[1]) . '%') ."))"); | |
1387 | } else { | |
1388 | array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%') | |
1389 | OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))"); | |
1390 | array_push($search_words, $k); | |
1391 | } | |
1392 | break; | |
1393 | case "author": | |
1394 | if ($commandpair[1]) { | |
1395 | array_push($query_keywords, "($not (LOWER(author) LIKE ". | |
1396 | $pdo->quote('%' . mb_strtolower($commandpair[1]) . '%')."))"); | |
1397 | } else { | |
1398 | array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%') | |
1399 | OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))"); | |
1400 | array_push($search_words, $k); | |
1401 | } | |
1402 | break; | |
1403 | case "note": | |
1404 | if ($commandpair[1]) { | |
1405 | if ($commandpair[1] == "true") | |
1406 | array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))"); | |
1407 | else if ($commandpair[1] == "false") | |
1408 | array_push($query_keywords, "($not (note IS NULL OR note = ''))"); | |
1409 | else | |
1410 | array_push($query_keywords, "($not (LOWER(note) LIKE ". | |
1411 | $pdo->quote('%' . mb_strtolower($commandpair[1]) . '%')."))"); | |
1412 | } else { | |
1413 | array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER(".$pdo->quote("%$k%").") | |
1414 | OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))"); | |
1415 | if (!$not) array_push($search_words, $k); | |
1416 | } | |
1417 | break; | |
1418 | case "star": | |
1419 | ||
1420 | if ($commandpair[1]) { | |
1421 | if ($commandpair[1] == "true") | |
1422 | array_push($query_keywords, "($not (marked = true))"); | |
1423 | else | |
1424 | array_push($query_keywords, "($not (marked = false))"); | |
1425 | } else { | |
1426 | array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER(".$pdo->quote("%$k%").") | |
1427 | OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))"); | |
1428 | if (!$not) array_push($search_words, $k); | |
1429 | } | |
1430 | break; | |
1431 | case "pub": | |
1432 | if ($commandpair[1]) { | |
1433 | if ($commandpair[1] == "true") | |
1434 | array_push($query_keywords, "($not (published = true))"); | |
1435 | else | |
1436 | array_push($query_keywords, "($not (published = false))"); | |
1437 | ||
1438 | } else { | |
1439 | array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%') | |
1440 | OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))"); | |
1441 | if (!$not) array_push($search_words, $k); | |
1442 | } | |
1443 | break; | |
1444 | case "unread": | |
1445 | if ($commandpair[1]) { | |
1446 | if ($commandpair[1] == "true") | |
1447 | array_push($query_keywords, "($not (unread = true))"); | |
1448 | else | |
1449 | array_push($query_keywords, "($not (unread = false))"); | |
1450 | ||
1451 | } else { | |
1452 | array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER(".$pdo->quote("%$k%").") | |
1453 | OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))"); | |
1454 | if (!$not) array_push($search_words, $k); | |
1455 | } | |
1456 | break; | |
1457 | default: | |
1458 | if (strpos($k, "@") === 0) { | |
1459 | ||
1460 | $user_tz_string = get_pref('USER_TIMEZONE', $_SESSION['uid']); | |
1461 | $orig_ts = strtotime(substr($k, 1)); | |
1462 | $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC')); | |
1463 | ||
1464 | //$k = date("Y-m-d", strtotime(substr($k, 1))); | |
1465 | ||
1466 | array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')"); | |
1467 | } else { | |
1468 | ||
1469 | if (DB_TYPE == "pgsql") { | |
1470 | $k = mb_strtolower($k); | |
1471 | array_push($search_query_leftover, $not ? "!$k" : $k); | |
1472 | } else { | |
1473 | array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER(".$pdo->quote("%$k%").") | |
1474 | OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))"); | |
1475 | } | |
1476 | ||
1477 | if (!$not) array_push($search_words, $k); | |
1478 | } | |
1479 | } | |
1480 | } | |
1481 | ||
1482 | if (count($search_query_leftover) > 0) { | |
1483 | $search_query_leftover = $pdo->quote(implode(" & ", $search_query_leftover)); | |
1484 | ||
1485 | if (DB_TYPE == "pgsql") { | |
1486 | array_push($query_keywords, | |
1487 | "(tsvector_combined @@ to_tsquery($search_language, $search_query_leftover))"); | |
1488 | } | |
1489 | ||
1490 | } | |
1491 | ||
1492 | $search_query_part = implode("AND", $query_keywords); | |
1493 | ||
1494 | return array($search_query_part, $search_words); | |
1495 | } | |
1496 | ||
1497 | function iframe_whitelisted($entry) { | |
1498 | $whitelist = array("youtube.com", "youtu.be", "vimeo.com", "player.vimeo.com"); | |
1499 | ||
1500 | @$src = parse_url($entry->getAttribute("src"), PHP_URL_HOST); | |
1501 | ||
1502 | if ($src) { | |
1503 | foreach ($whitelist as $w) { | |
1504 | if ($src == $w || $src == "www.$w") | |
1505 | return true; | |
1506 | } | |
1507 | } | |
1508 | ||
1509 | return false; | |
1510 | } | |
1511 | ||
1512 | // check for locally cached (media) URLs and rewrite to local versions | |
1513 | // this is called separately after sanitize() and plugin render article hooks to allow | |
1514 | // plugins work on original source URLs used before caching | |
1515 | ||
1516 | function rewrite_cached_urls($str) { | |
1517 | $charset_hack = '<head> | |
1518 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> | |
1519 | </head>'; | |
1520 | ||
1521 | $res = trim($str); if (!$res) return ''; | |
1522 | ||
1523 | $doc = new DOMDocument(); | |
1524 | $doc->loadHTML($charset_hack . $res); | |
1525 | $xpath = new DOMXPath($doc); | |
1526 | ||
1527 | $entries = $xpath->query('(//img[@src]|//video[@poster]|//video/source[@src]|//audio/source[@src])'); | |
1528 | ||
1529 | $need_saving = false; | |
1530 | ||
1531 | foreach ($entries as $entry) { | |
1532 | ||
1533 | if ($entry->hasAttribute('src') || $entry->hasAttribute('poster')) { | |
1534 | ||
1535 | // should be already absolutized because this is called after sanitize() | |
1536 | $src = $entry->hasAttribute('poster') ? $entry->getAttribute('poster') : $entry->getAttribute('src'); | |
1537 | $cached_filename = CACHE_DIR . '/images/' . sha1($src); | |
1538 | ||
1539 | if (file_exists($cached_filename)) { | |
1540 | ||
1541 | // this is strictly cosmetic | |
1542 | if ($entry->tagName == 'img') { | |
1543 | $suffix = ".png"; | |
1544 | } else if ($entry->parentNode && $entry->parentNode->tagName == "video") { | |
1545 | $suffix = ".mp4"; | |
1546 | } else if ($entry->parentNode && $entry->parentNode->tagName == "audio") { | |
1547 | $suffix = ".ogg"; | |
1548 | } else { | |
1549 | $suffix = ""; | |
1550 | } | |
1551 | ||
1552 | $src = get_self_url_prefix() . '/public.php?op=cached_url&hash=' . sha1($src) . $suffix; | |
1553 | ||
1554 | if ($entry->hasAttribute('poster')) | |
1555 | $entry->setAttribute('poster', $src); | |
1556 | else | |
1557 | $entry->setAttribute('src', $src); | |
1558 | ||
1559 | $need_saving = true; | |
1560 | } | |
1561 | } | |
1562 | } | |
1563 | ||
1564 | if ($need_saving) { | |
1565 | $doc->removeChild($doc->firstChild); //remove doctype | |
1566 | $res = $doc->saveHTML(); | |
1567 | } | |
1568 | ||
1569 | return $res; | |
1570 | } | |
1571 | ||
1572 | function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false, $highlight_words = false, $article_id = false) { | |
1573 | if (!$owner) $owner = $_SESSION["uid"]; | |
1574 | ||
1575 | $res = trim($str); if (!$res) return ''; | |
1576 | ||
1577 | $charset_hack = '<head> | |
1578 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> | |
1579 | </head>'; | |
1580 | ||
1581 | $res = trim($res); if (!$res) return ''; | |
1582 | ||
1583 | libxml_use_internal_errors(true); | |
1584 | ||
1585 | $doc = new DOMDocument(); | |
1586 | $doc->loadHTML($charset_hack . $res); | |
1587 | $xpath = new DOMXPath($doc); | |
1588 | ||
1589 | $rewrite_base_url = $site_url ? $site_url : get_self_url_prefix(); | |
1590 | ||
1591 | $entries = $xpath->query('(//a[@href]|//img[@src]|//video/source[@src]|//audio/source[@src])'); | |
1592 | ||
1593 | foreach ($entries as $entry) { | |
1594 | ||
1595 | if ($entry->hasAttribute('href')) { | |
1596 | $entry->setAttribute('href', | |
1597 | rewrite_relative_url($rewrite_base_url, $entry->getAttribute('href'))); | |
1598 | ||
1599 | $entry->setAttribute('rel', 'noopener noreferrer'); | |
1600 | } | |
1601 | ||
1602 | if ($entry->hasAttribute('src')) { | |
1603 | $src = rewrite_relative_url($rewrite_base_url, $entry->getAttribute('src')); | |
1604 | ||
1605 | // cache stuff has gone to rewrite_cached_urls() | |
1606 | ||
1607 | $entry->setAttribute('src', $src); | |
1608 | } | |
1609 | ||
1610 | if ($entry->nodeName == 'img') { | |
1611 | $entry->setAttribute('referrerpolicy', 'no-referrer'); | |
1612 | ||
1613 | $entry->removeAttribute('width'); | |
1614 | $entry->removeAttribute('height'); | |
1615 | ||
1616 | if ($entry->hasAttribute('src')) { | |
1617 | $is_https_url = parse_url($entry->getAttribute('src'), PHP_URL_SCHEME) === 'https'; | |
1618 | ||
1619 | if (is_prefix_https() && !$is_https_url) { | |
1620 | ||
1621 | if ($entry->hasAttribute('srcset')) { | |
1622 | $entry->removeAttribute('srcset'); | |
1623 | } | |
1624 | ||
1625 | if ($entry->hasAttribute('sizes')) { | |
1626 | $entry->removeAttribute('sizes'); | |
1627 | } | |
1628 | } | |
1629 | } | |
1630 | } | |
1631 | ||
1632 | if ($entry->hasAttribute('src') && | |
1633 | ($owner && get_pref("STRIP_IMAGES", $owner)) || $force_remove_images || $_SESSION["bw_limit"]) { | |
1634 | ||
1635 | $p = $doc->createElement('p'); | |
1636 | ||
1637 | $a = $doc->createElement('a'); | |
1638 | $a->setAttribute('href', $entry->getAttribute('src')); | |
1639 | ||
1640 | $a->appendChild(new DOMText($entry->getAttribute('src'))); | |
1641 | $a->setAttribute('target', '_blank'); | |
1642 | $a->setAttribute('rel', 'noopener noreferrer'); | |
1643 | ||
1644 | $p->appendChild($a); | |
1645 | ||
1646 | if ($entry->nodeName == 'source') { | |
1647 | ||
1648 | if ($entry->parentNode && $entry->parentNode->parentNode) | |
1649 | $entry->parentNode->parentNode->replaceChild($p, $entry->parentNode); | |
1650 | ||
1651 | } else if ($entry->nodeName == 'img') { | |
1652 | ||
1653 | if ($entry->parentNode) | |
1654 | $entry->parentNode->replaceChild($p, $entry); | |
1655 | ||
1656 | } | |
1657 | } | |
1658 | ||
1659 | if (strtolower($entry->nodeName) == "a") { | |
1660 | $entry->setAttribute("target", "_blank"); | |
1661 | $entry->setAttribute("rel", "noopener noreferrer"); | |
1662 | } | |
1663 | } | |
1664 | ||
1665 | $entries = $xpath->query('//iframe'); | |
1666 | foreach ($entries as $entry) { | |
1667 | if (!iframe_whitelisted($entry)) { | |
1668 | $entry->setAttribute('sandbox', 'allow-scripts'); | |
1669 | } else { | |
1670 | if (is_prefix_https()) { | |
1671 | $entry->setAttribute("src", | |
1672 | str_replace("http://", "https://", | |
1673 | $entry->getAttribute("src"))); | |
1674 | } | |
1675 | } | |
1676 | } | |
1677 | ||
1678 | $allowed_elements = array('a', 'abbr', 'address', 'acronym', 'audio', 'article', 'aside', | |
1679 | 'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br', | |
1680 | 'caption', 'cite', 'center', 'code', 'col', 'colgroup', | |
1681 | 'data', 'dd', 'del', 'details', 'description', 'dfn', 'div', 'dl', 'font', | |
1682 | 'dt', 'em', 'footer', 'figure', 'figcaption', | |
1683 | 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'hr', 'html', 'i', | |
1684 | 'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript', | |
1685 | 'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section', | |
1686 | 'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary', | |
1687 | 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time', | |
1688 | 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video', 'xml:namespace' ); | |
1689 | ||
1690 | if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe'; | |
1691 | ||
1692 | $disallowed_attributes = array('id', 'style', 'class'); | |
1693 | ||
1694 | foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SANITIZE) as $plugin) { | |
1695 | $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes, $article_id); | |
1696 | if (is_array($retval)) { | |
1697 | $doc = $retval[0]; | |
1698 | $allowed_elements = $retval[1]; | |
1699 | $disallowed_attributes = $retval[2]; | |
1700 | } else { | |
1701 | $doc = $retval; | |
1702 | } | |
1703 | } | |
1704 | ||
1705 | $doc->removeChild($doc->firstChild); //remove doctype | |
1706 | $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes); | |
1707 | ||
1708 | if ($highlight_words) { | |
1709 | foreach ($highlight_words as $word) { | |
1710 | ||
1711 | // http://stackoverflow.com/questions/4081372/highlight-keywords-in-a-paragraph | |
1712 | ||
1713 | $elements = $xpath->query("//*/text()"); | |
1714 | ||
1715 | foreach ($elements as $child) { | |
1716 | ||
1717 | $fragment = $doc->createDocumentFragment(); | |
1718 | $text = $child->textContent; | |
1719 | ||
1720 | while (($pos = mb_stripos($text, $word)) !== false) { | |
1721 | $fragment->appendChild(new DomText(mb_substr($text, 0, $pos))); | |
1722 | $word = mb_substr($text, $pos, mb_strlen($word)); | |
1723 | $highlight = $doc->createElement('span'); | |
1724 | $highlight->appendChild(new DomText($word)); | |
1725 | $highlight->setAttribute('class', 'highlight'); | |
1726 | $fragment->appendChild($highlight); | |
1727 | $text = mb_substr($text, $pos + mb_strlen($word)); | |
1728 | } | |
1729 | ||
1730 | if (!empty($text)) $fragment->appendChild(new DomText($text)); | |
1731 | ||
1732 | $child->parentNode->replaceChild($fragment, $child); | |
1733 | } | |
1734 | } | |
1735 | } | |
1736 | ||
1737 | $res = $doc->saveHTML(); | |
1738 | ||
1739 | /* strip everything outside of <body>...</body> */ | |
1740 | ||
1741 | $res_frag = array(); | |
1742 | if (preg_match('/<body>(.*)<\/body>/is', $res, $res_frag)) { | |
1743 | return $res_frag[1]; | |
1744 | } else { | |
1745 | return $res; | |
1746 | } | |
1747 | } | |
1748 | ||
1749 | function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) { | |
1750 | $xpath = new DOMXPath($doc); | |
1751 | $entries = $xpath->query('//*'); | |
1752 | ||
1753 | foreach ($entries as $entry) { | |
1754 | if (!in_array($entry->nodeName, $allowed_elements)) { | |
1755 | $entry->parentNode->removeChild($entry); | |
1756 | } | |
1757 | ||
1758 | if ($entry->hasAttributes()) { | |
1759 | $attrs_to_remove = array(); | |
1760 | ||
1761 | foreach ($entry->attributes as $attr) { | |
1762 | ||
1763 | if (strpos($attr->nodeName, 'on') === 0) { | |
1764 | array_push($attrs_to_remove, $attr); | |
1765 | } | |
1766 | ||
1767 | if ($attr->nodeName == 'href' && stripos($attr->value, 'javascript:') === 0) { | |
1768 | array_push($attrs_to_remove, $attr); | |
1769 | } | |
1770 | ||
1771 | if (in_array($attr->nodeName, $disallowed_attributes)) { | |
1772 | array_push($attrs_to_remove, $attr); | |
1773 | } | |
1774 | } | |
1775 | ||
1776 | foreach ($attrs_to_remove as $attr) { | |
1777 | $entry->removeAttributeNode($attr); | |
1778 | } | |
1779 | } | |
1780 | } | |
1781 | ||
1782 | return $doc; | |
1783 | } | |
1784 | ||
1785 | function trim_array($array) { | |
1786 | $tmp = $array; | |
1787 | array_walk($tmp, 'trim'); | |
1788 | return $tmp; | |
1789 | } | |
1790 | ||
1791 | function tag_is_valid($tag) { | |
1792 | if (!$tag || is_numeric($tag) || mb_strlen($tag) > 250) | |
1793 | return false; | |
1794 | ||
1795 | return true; | |
1796 | } | |
1797 | ||
1798 | function render_login_form() { | |
1799 | header('Cache-Control: public'); | |
1800 | ||
1801 | require_once "login_form.php"; | |
1802 | exit; | |
1803 | } | |
1804 | ||
1805 | function T_sprintf() { | |
1806 | $args = func_get_args(); | |
1807 | return vsprintf(__(array_shift($args)), $args); | |
1808 | } | |
1809 | ||
1810 | function print_checkpoint($n, $s) { | |
1811 | $ts = microtime(true); | |
1812 | echo sprintf("<!-- CP[$n] %.4f seconds -->\n", $ts - $s); | |
1813 | return $ts; | |
1814 | } | |
1815 | ||
1816 | function sanitize_tag($tag) { | |
1817 | $tag = trim($tag); | |
1818 | ||
1819 | $tag = mb_strtolower($tag, 'utf-8'); | |
1820 | ||
1821 | $tag = preg_replace('/[,\'\"\+\>\<]/', "", $tag); | |
1822 | ||
1823 | if (DB_TYPE == "mysql") { | |
1824 | $tag = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $tag); | |
1825 | } | |
1826 | ||
1827 | return $tag; | |
1828 | } | |
1829 | ||
1830 | function is_server_https() { | |
1831 | return (!empty($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] != 'off')) || $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https'; | |
1832 | } | |
1833 | ||
1834 | function is_prefix_https() { | |
1835 | return parse_url(SELF_URL_PATH, PHP_URL_SCHEME) == 'https'; | |
1836 | } | |
1837 | ||
1838 | // this returns SELF_URL_PATH sans ending slash | |
1839 | function get_self_url_prefix() { | |
1840 | if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) { | |
1841 | return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1); | |
1842 | } else { | |
1843 | return SELF_URL_PATH; | |
1844 | } | |
1845 | } | |
1846 | ||
1847 | function encrypt_password($pass, $salt = '', $mode2 = false) { | |
1848 | if ($salt && $mode2) { | |
1849 | return "MODE2:" . hash('sha256', $salt . $pass); | |
1850 | } else if ($salt) { | |
1851 | return "SHA1X:" . sha1("$salt:$pass"); | |
1852 | } else { | |
1853 | return "SHA1:" . sha1($pass); | |
1854 | } | |
1855 | } // function encrypt_password | |
1856 | ||
1857 | function load_filters($feed_id, $owner_uid) { | |
1858 | $filters = array(); | |
1859 | ||
1860 | $feed_id = (int) $feed_id; | |
1861 | $cat_id = (int)Feeds::getFeedCategory($feed_id); | |
1862 | ||
1863 | if ($cat_id == 0) | |
1864 | $null_cat_qpart = "cat_id IS NULL OR"; | |
1865 | else | |
1866 | $null_cat_qpart = ""; | |
1867 | ||
1868 | $pdo = Db::pdo(); | |
1869 | ||
1870 | $sth = $pdo->prepare("SELECT * FROM ttrss_filters2 WHERE | |
1871 | owner_uid = ? AND enabled = true ORDER BY order_id, title"); | |
1872 | $sth->execute([$owner_uid]); | |
1873 | ||
1874 | $check_cats = array_merge( | |
1875 | Feeds::getParentCategories($cat_id, $owner_uid), | |
1876 | [$cat_id]); | |
1877 | ||
1878 | $check_cats_str = join(",", $check_cats); | |
1879 | $check_cats_fullids = array_map(function($a) { return "CAT:$a"; }, $check_cats); | |
1880 | ||
1881 | while ($line = $sth->fetch()) { | |
1882 | $filter_id = $line["id"]; | |
1883 | ||
1884 | $match_any_rule = sql_bool_to_bool($line["match_any_rule"]); | |
1885 | ||
1886 | $sth2 = $pdo->prepare("SELECT | |
1887 | r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, r.match_on, t.name AS type_name | |
1888 | FROM ttrss_filters2_rules AS r, | |
1889 | ttrss_filter_types AS t | |
1890 | WHERE | |
1891 | (match_on IS NOT NULL OR | |
1892 | (($null_cat_qpart (cat_id IS NULL AND cat_filter = false) OR cat_id IN ($check_cats_str)) AND | |
1893 | (feed_id IS NULL OR feed_id = ?))) AND | |
1894 | filter_type = t.id AND filter_id = ?"); | |
1895 | $sth2->execute([$feed_id, $filter_id]); | |
1896 | ||
1897 | $rules = array(); | |
1898 | $actions = array(); | |
1899 | ||
1900 | while ($rule_line = $sth2->fetch()) { | |
1901 | # print_r($rule_line); | |
1902 | ||
1903 | if ($rule_line["match_on"]) { | |
1904 | $match_on = json_decode($rule_line["match_on"], true); | |
1905 | ||
1906 | if (in_array("0", $match_on) || in_array($feed_id, $match_on) || count(array_intersect($check_cats_fullids, $match_on)) > 0) { | |
1907 | ||
1908 | $rule = array(); | |
1909 | $rule["reg_exp"] = $rule_line["reg_exp"]; | |
1910 | $rule["type"] = $rule_line["type_name"]; | |
1911 | $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]); | |
1912 | ||
1913 | array_push($rules, $rule); | |
1914 | } else if (!$match_any_rule) { | |
1915 | // this filter contains a rule that doesn't match to this feed/category combination | |
1916 | // thus filter has to be rejected | |
1917 | ||
1918 | $rules = []; | |
1919 | break; | |
1920 | } | |
1921 | ||
1922 | } else { | |
1923 | ||
1924 | $rule = array(); | |
1925 | $rule["reg_exp"] = $rule_line["reg_exp"]; | |
1926 | $rule["type"] = $rule_line["type_name"]; | |
1927 | $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]); | |
1928 | ||
1929 | array_push($rules, $rule); | |
1930 | } | |
1931 | } | |
1932 | ||
1933 | if (count($rules) > 0) { | |
1934 | $sth2 = $pdo->prepare("SELECT a.action_param,t.name AS type_name | |
1935 | FROM ttrss_filters2_actions AS a, | |
1936 | ttrss_filter_actions AS t | |
1937 | WHERE | |
1938 | action_id = t.id AND filter_id = ?"); | |
1939 | $sth2->execute([$filter_id]); | |
1940 | ||
1941 | while ($action_line = $sth2->fetch()) { | |
1942 | # print_r($action_line); | |
1943 | ||
1944 | $action = array(); | |
1945 | $action["type"] = $action_line["type_name"]; | |
1946 | $action["param"] = $action_line["action_param"]; | |
1947 | ||
1948 | array_push($actions, $action); | |
1949 | } | |
1950 | } | |
1951 | ||
1952 | $filter = array(); | |
1953 | $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]); | |
1954 | $filter["inverse"] = sql_bool_to_bool($line["inverse"]); | |
1955 | $filter["rules"] = $rules; | |
1956 | $filter["actions"] = $actions; | |
1957 | ||
1958 | if (count($rules) > 0 && count($actions) > 0) { | |
1959 | array_push($filters, $filter); | |
1960 | } | |
1961 | } | |
1962 | ||
1963 | return $filters; | |
1964 | } | |
1965 | ||
1966 | function get_score_pic($score) { | |
1967 | if ($score > 100) { | |
1968 | return "score_high.png"; | |
1969 | } else if ($score > 0) { | |
1970 | return "score_half_high.png"; | |
1971 | } else if ($score < -100) { | |
1972 | return "score_low.png"; | |
1973 | } else if ($score < 0) { | |
1974 | return "score_half_low.png"; | |
1975 | } else { | |
1976 | return "score_neutral.png"; | |
1977 | } | |
1978 | } | |
1979 | ||
1980 | function init_plugins() { | |
1981 | PluginHost::getInstance()->load(PLUGINS, PluginHost::KIND_ALL); | |
1982 | ||
1983 | return true; | |
1984 | } | |
1985 | ||
1986 | function add_feed_category($feed_cat, $parent_cat_id = false) { | |
1987 | ||
1988 | if (!$feed_cat) return false; | |
1989 | ||
1990 | $feed_cat = mb_substr($feed_cat, 0, 250); | |
1991 | if (!$parent_cat_id) $parent_cat_id = null; | |
1992 | ||
1993 | $pdo = Db::pdo(); | |
1994 | $tr_in_progress = false; | |
1995 | ||
1996 | try { | |
1997 | $pdo->beginTransaction(); | |
1998 | } catch (Exception $e) { | |
1999 | $tr_in_progress = true; | |
2000 | } | |
2001 | ||
2002 | $sth = $pdo->prepare("SELECT id FROM ttrss_feed_categories | |
2003 | WHERE (parent_cat = :parent OR (:parent IS NULL AND parent_cat IS NULL)) | |
2004 | AND title = :title AND owner_uid = :uid"); | |
2005 | $sth->execute([':parent' => $parent_cat_id, ':title' => $feed_cat, ':uid' => $_SESSION['uid']]); | |
2006 | ||
2007 | if (!$sth->fetch()) { | |
2008 | ||
2009 | $sth = $pdo->prepare("INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat) | |
2010 | VALUES (?, ?, ?)"); | |
2011 | $sth->execute([$_SESSION['uid'], $feed_cat, $parent_cat_id]); | |
2012 | ||
2013 | if (!$tr_in_progress) $pdo->commit(); | |
2014 | ||
2015 | return true; | |
2016 | } | |
2017 | ||
2018 | $pdo->commit(); | |
2019 | ||
2020 | return false; | |
2021 | } | |
2022 | ||
2023 | /** | |
2024 | * Fixes incomplete URLs by prepending "http://". | |
2025 | * Also replaces feed:// with http://, and | |
2026 | * prepends a trailing slash if the url is a domain name only. | |
2027 | * | |
2028 | * @param string $url Possibly incomplete URL | |
2029 | * | |
2030 | * @return string Fixed URL. | |
2031 | */ | |
2032 | function fix_url($url) { | |
2033 | ||
2034 | // support schema-less urls | |
2035 | if (strpos($url, '//') === 0) { | |
2036 | $url = 'https:' . $url; | |
2037 | } | |
2038 | ||
2039 | if (strpos($url, '://') === false) { | |
2040 | $url = 'http://' . $url; | |
2041 | } else if (substr($url, 0, 5) == 'feed:') { | |
2042 | $url = 'http:' . substr($url, 5); | |
2043 | } | |
2044 | ||
2045 | //prepend slash if the URL has no slash in it | |
2046 | // "http://www.example" -> "http://www.example/" | |
2047 | if (strpos($url, '/', strpos($url, ':') + 3) === false) { | |
2048 | $url .= '/'; | |
2049 | } | |
2050 | ||
2051 | //convert IDNA hostname to punycode if possible | |
2052 | if (function_exists("idn_to_ascii")) { | |
2053 | $parts = parse_url($url); | |
2054 | if (mb_detect_encoding($parts['host']) != 'ASCII') | |
2055 | { | |
2056 | $parts['host'] = idn_to_ascii($parts['host']); | |
2057 | $url = build_url($parts); | |
2058 | } | |
2059 | } | |
2060 | ||
2061 | if ($url != "http:///") | |
2062 | return $url; | |
2063 | else | |
2064 | return ''; | |
2065 | } | |
2066 | ||
2067 | function validate_feed_url($url) { | |
2068 | $parts = parse_url($url); | |
2069 | ||
2070 | return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https'); | |
2071 | ||
2072 | } | |
2073 | ||
2074 | /* function save_email_address($email) { | |
2075 | // FIXME: implement persistent storage of emails | |
2076 | ||
2077 | if (!$_SESSION['stored_emails']) | |
2078 | $_SESSION['stored_emails'] = array(); | |
2079 | ||
2080 | if (!in_array($email, $_SESSION['stored_emails'])) | |
2081 | array_push($_SESSION['stored_emails'], $email); | |
2082 | } */ | |
2083 | ||
2084 | ||
2085 | function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) { | |
2086 | ||
2087 | if (!$owner_uid) $owner_uid = $_SESSION["uid"]; | |
2088 | ||
2089 | $is_cat = bool_to_sql_bool($is_cat); | |
2090 | ||
2091 | $pdo = Db::pdo(); | |
2092 | ||
2093 | $sth = $pdo->prepare("SELECT access_key FROM ttrss_access_keys | |
2094 | WHERE feed_id = ? AND is_cat = ? | |
2095 | AND owner_uid = ?"); | |
2096 | $sth->execute([$feed_id, $is_cat, $owner_uid]); | |
2097 | ||
2098 | if ($row = $sth->fetch()) { | |
2099 | return $row["access_key"]; | |
2100 | } else { | |
2101 | $key = uniqid_short(); | |
2102 | ||
2103 | $sth = $pdo->prepare("INSERT INTO ttrss_access_keys | |
2104 | (access_key, feed_id, is_cat, owner_uid) | |
2105 | VALUES (?, ?, ?, ?)"); | |
2106 | ||
2107 | $sth->execute([$key, $feed_id, $is_cat, $owner_uid]); | |
2108 | ||
2109 | return $key; | |
2110 | } | |
2111 | } | |
2112 | ||
2113 | function get_feeds_from_html($url, $content) | |
2114 | { | |
2115 | $url = fix_url($url); | |
2116 | $baseUrl = substr($url, 0, strrpos($url, '/') + 1); | |
2117 | ||
2118 | libxml_use_internal_errors(true); | |
2119 | ||
2120 | $doc = new DOMDocument(); | |
2121 | $doc->loadHTML($content); | |
2122 | $xpath = new DOMXPath($doc); | |
2123 | $entries = $xpath->query('/html/head/link[@rel="alternate" and '. | |
2124 | '(contains(@type,"rss") or contains(@type,"atom"))]|/html/head/link[@rel="feed"]'); | |
2125 | $feedUrls = array(); | |
2126 | foreach ($entries as $entry) { | |
2127 | if ($entry->hasAttribute('href')) { | |
2128 | $title = $entry->getAttribute('title'); | |
2129 | if ($title == '') { | |
2130 | $title = $entry->getAttribute('type'); | |
2131 | } | |
2132 | $feedUrl = rewrite_relative_url( | |
2133 | $baseUrl, $entry->getAttribute('href') | |
2134 | ); | |
2135 | $feedUrls[$feedUrl] = $title; | |
2136 | } | |
2137 | } | |
2138 | return $feedUrls; | |
2139 | } | |
2140 | ||
2141 | function is_html($content) { | |
2142 | return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 100)) !== 0; | |
2143 | } | |
2144 | ||
2145 | function url_is_html($url, $login = false, $pass = false) { | |
2146 | return is_html(fetch_file_contents($url, false, $login, $pass)); | |
2147 | } | |
2148 | ||
2149 | function build_url($parts) { | |
2150 | return $parts['scheme'] . "://" . $parts['host'] . $parts['path']; | |
2151 | } | |
2152 | ||
2153 | function cleanup_url_path($path) { | |
2154 | $path = str_replace("/./", "/", $path); | |
2155 | $path = str_replace("//", "/", $path); | |
2156 | ||
2157 | return $path; | |
2158 | } | |
2159 | ||
2160 | /** | |
2161 | * Converts a (possibly) relative URL to a absolute one. | |
2162 | * | |
2163 | * @param string $url Base URL (i.e. from where the document is) | |
2164 | * @param string $rel_url Possibly relative URL in the document | |
2165 | * | |
2166 | * @return string Absolute URL | |
2167 | */ | |
2168 | function rewrite_relative_url($url, $rel_url) { | |
2169 | if (strpos($rel_url, "://") !== false) { | |
2170 | return $rel_url; | |
2171 | } else if (strpos($rel_url, "//") === 0) { | |
2172 | # protocol-relative URL (rare but they exist) | |
2173 | return $rel_url; | |
2174 | } else if (preg_match("/^[a-z]+:/i", $rel_url)) { | |
2175 | # magnet:, feed:, etc | |
2176 | return $rel_url; | |
2177 | } else if (strpos($rel_url, "/") === 0) { | |
2178 | $parts = parse_url($url); | |
2179 | $parts['path'] = $rel_url; | |
2180 | $parts['path'] = cleanup_url_path($parts['path']); | |
2181 | ||
2182 | return build_url($parts); | |
2183 | ||
2184 | } else { | |
2185 | $parts = parse_url($url); | |
2186 | if (!isset($parts['path'])) { | |
2187 | $parts['path'] = '/'; | |
2188 | } | |
2189 | $dir = $parts['path']; | |
2190 | if (substr($dir, -1) !== '/') { | |
2191 | $dir = dirname($parts['path']); | |
2192 | $dir !== '/' && $dir .= '/'; | |
2193 | } | |
2194 | $parts['path'] = $dir . $rel_url; | |
2195 | $parts['path'] = cleanup_url_path($parts['path']); | |
2196 | ||
2197 | return build_url($parts); | |
2198 | } | |
2199 | } | |
2200 | ||
2201 | function cleanup_tags($days = 14, $limit = 1000) { | |
2202 | ||
2203 | $days = (int) $days; | |
2204 | ||
2205 | if (DB_TYPE == "pgsql") { | |
2206 | $interval_query = "date_updated < NOW() - INTERVAL '$days days'"; | |
2207 | } else if (DB_TYPE == "mysql") { | |
2208 | $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)"; | |
2209 | } | |
2210 | ||
2211 | $tags_deleted = 0; | |
2212 | ||
2213 | $pdo = Db::pdo(); | |
2214 | ||
2215 | while ($limit > 0) { | |
2216 | $limit_part = 500; | |
2217 | ||
2218 | $sth = $pdo->prepare("SELECT ttrss_tags.id AS id | |
2219 | FROM ttrss_tags, ttrss_user_entries, ttrss_entries | |
2220 | WHERE post_int_id = int_id AND $interval_query AND | |
2221 | ref_id = ttrss_entries.id AND tag_cache != '' LIMIT ?"); | |
2222 | $sth->execute([$limit]); | |
2223 | ||
2224 | $ids = array(); | |
2225 | ||
2226 | while ($line = $sth->fetch()) { | |
2227 | array_push($ids, $line['id']); | |
2228 | } | |
2229 | ||
2230 | if (count($ids) > 0) { | |
2231 | $ids = join(",", $ids); | |
2232 | ||
2233 | $usth = $pdo->query("DELETE FROM ttrss_tags WHERE id IN ($ids)"); | |
2234 | $tags_deleted = $usth->rowCount(); | |
2235 | } else { | |
2236 | break; | |
2237 | } | |
2238 | ||
2239 | $limit -= $limit_part; | |
2240 | } | |
2241 | ||
2242 | return $tags_deleted; | |
2243 | } | |
2244 | ||
2245 | function print_user_stylesheet() { | |
2246 | $value = get_pref('USER_STYLESHEET'); | |
2247 | ||
2248 | if ($value) { | |
2249 | print "<style type=\"text/css\">"; | |
2250 | print str_replace("<br/>", "\n", $value); | |
2251 | print "</style>"; | |
2252 | } | |
2253 | ||
2254 | } | |
2255 | ||
2256 | function filter_to_sql($filter, $owner_uid) { | |
2257 | $query = array(); | |
2258 | ||
2259 | $pdo = Db::pdo(); | |
2260 | ||
2261 | if (DB_TYPE == "pgsql") | |
2262 | $reg_qpart = "~"; | |
2263 | else | |
2264 | $reg_qpart = "REGEXP"; | |
2265 | ||
2266 | foreach ($filter["rules"] AS $rule) { | |
2267 | $rule['reg_exp'] = str_replace('/', '\/', $rule["reg_exp"]); | |
2268 | $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/', | |
2269 | $rule['reg_exp']) !== FALSE; | |
2270 | ||
2271 | if ($regexp_valid) { | |
2272 | ||
2273 | $rule['reg_exp'] = $pdo->quote($rule['reg_exp']); | |
2274 | ||
2275 | switch ($rule["type"]) { | |
2276 | case "title": | |
2277 | $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('". | |
2278 | $rule['reg_exp'] . "')"; | |
2279 | break; | |
2280 | case "content": | |
2281 | $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('". | |
2282 | $rule['reg_exp'] . "')"; | |
2283 | break; | |
2284 | case "both": | |
2285 | $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('". | |
2286 | $rule['reg_exp'] . "') OR LOWER(" . | |
2287 | "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')"; | |
2288 | break; | |
2289 | case "tag": | |
2290 | $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('". | |
2291 | $rule['reg_exp'] . "')"; | |
2292 | break; | |
2293 | case "link": | |
2294 | $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('". | |
2295 | $rule['reg_exp'] . "')"; | |
2296 | break; | |
2297 | case "author": | |
2298 | $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('". | |
2299 | $rule['reg_exp'] . "')"; | |
2300 | break; | |
2301 | } | |
2302 | ||
2303 | if (isset($rule['inverse'])) $qpart = "NOT ($qpart)"; | |
2304 | ||
2305 | if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) { | |
2306 | $qpart .= " AND feed_id = " . $pdo->quote($rule["feed_id"]); | |
2307 | } | |
2308 | ||
2309 | if (isset($rule["cat_id"])) { | |
2310 | ||
2311 | if ($rule["cat_id"] > 0) { | |
2312 | $children = Feeds::getChildCategories($rule["cat_id"], $owner_uid); | |
2313 | array_push($children, $rule["cat_id"]); | |
2314 | $children = array_map("intval", $children); | |
2315 | ||
2316 | $children = join(",", $children); | |
2317 | ||
2318 | $cat_qpart = "cat_id IN ($children)"; | |
2319 | } else { | |
2320 | $cat_qpart = "cat_id IS NULL"; | |
2321 | } | |
2322 | ||
2323 | $qpart .= " AND $cat_qpart"; | |
2324 | } | |
2325 | ||
2326 | $qpart .= " AND feed_id IS NOT NULL"; | |
2327 | ||
2328 | array_push($query, "($qpart)"); | |
2329 | ||
2330 | } | |
2331 | } | |
2332 | ||
2333 | if (count($query) > 0) { | |
2334 | $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")"; | |
2335 | } else { | |
2336 | $fullquery = "(false)"; | |
2337 | } | |
2338 | ||
2339 | if ($filter['inverse']) $fullquery = "(NOT $fullquery)"; | |
2340 | ||
2341 | return $fullquery; | |
2342 | } | |
2343 | ||
2344 | if (!function_exists('gzdecode')) { | |
2345 | function gzdecode($string) { // no support for 2nd argument | |
2346 | return file_get_contents('compress.zlib://data:who/cares;base64,'. | |
2347 | base64_encode($string)); | |
2348 | } | |
2349 | } | |
2350 | ||
2351 | function get_random_bytes($length) { | |
2352 | if (function_exists('openssl_random_pseudo_bytes')) { | |
2353 | return openssl_random_pseudo_bytes($length); | |
2354 | } else { | |
2355 | $output = ""; | |
2356 | ||
2357 | for ($i = 0; $i < $length; $i++) | |
2358 | $output .= chr(mt_rand(0, 255)); | |
2359 | ||
2360 | return $output; | |
2361 | } | |
2362 | } | |
2363 | ||
2364 | function read_stdin() { | |
2365 | $fp = fopen("php://stdin", "r"); | |
2366 | ||
2367 | if ($fp) { | |
2368 | $line = trim(fgets($fp)); | |
2369 | fclose($fp); | |
2370 | return $line; | |
2371 | } | |
2372 | ||
2373 | return null; | |
2374 | } | |
2375 | ||
2376 | function implements_interface($class, $interface) { | |
2377 | return in_array($interface, class_implements($class)); | |
2378 | } | |
2379 | ||
2380 | function get_minified_js($files) { | |
2381 | ||
2382 | $rv = ''; | |
2383 | ||
2384 | foreach ($files as $js) { | |
2385 | if (!isset($_GET['debug'])) { | |
2386 | $cached_file = CACHE_DIR . "/js/".basename($js); | |
2387 | ||
2388 | if (file_exists($cached_file) && is_readable($cached_file) && filemtime($cached_file) >= filemtime("js/$js")) { | |
2389 | ||
2390 | list($header, $contents) = explode("\n", file_get_contents($cached_file), 2); | |
2391 | ||
2392 | if ($header && $contents) { | |
2393 | list($htag, $hversion) = explode(":", $header); | |
2394 | ||
2395 | if ($htag == "tt-rss" && $hversion == VERSION) { | |
2396 | $rv .= $contents; | |
2397 | continue; | |
2398 | } | |
2399 | } | |
2400 | } | |
2401 | ||
2402 | $minified = JShrink\Minifier::minify(file_get_contents("js/$js")); | |
2403 | file_put_contents($cached_file, "tt-rss:" . VERSION . "\n" . $minified); | |
2404 | $rv .= $minified; | |
2405 | ||
2406 | } else { | |
2407 | $rv .= file_get_contents("js/$js"); // no cache in debug mode | |
2408 | } | |
2409 | } | |
2410 | ||
2411 | return $rv; | |
2412 | } | |
2413 | ||
2414 | function calculate_dep_timestamp() { | |
2415 | $files = array_merge(glob("js/*.js"), glob("css/*.css")); | |
2416 | ||
2417 | $max_ts = -1; | |
2418 | ||
2419 | foreach ($files as $file) { | |
2420 | if (filemtime($file) > $max_ts) $max_ts = filemtime($file); | |
2421 | } | |
2422 | ||
2423 | return $max_ts; | |
2424 | } | |
2425 | ||
2426 | function T_js_decl($s1, $s2) { | |
2427 | if ($s1 && $s2) { | |
2428 | $s1 = preg_replace("/\n/", "", $s1); | |
2429 | $s2 = preg_replace("/\n/", "", $s2); | |
2430 | ||
2431 | $s1 = preg_replace("/\"/", "\\\"", $s1); | |
2432 | $s2 = preg_replace("/\"/", "\\\"", $s2); | |
2433 | ||
2434 | return "T_messages[\"$s1\"] = \"$s2\";\n"; | |
2435 | } | |
2436 | } | |
2437 | ||
2438 | function init_js_translations() { | |
2439 | ||
2440 | print 'var T_messages = new Object(); | |
2441 | ||
2442 | function __(msg) { | |
2443 | if (T_messages[msg]) { | |
2444 | return T_messages[msg]; | |
2445 | } else { | |
2446 | return msg; | |
2447 | } | |
2448 | } | |
2449 | ||
2450 | function ngettext(msg1, msg2, n) { | |
2451 | return __((parseInt(n) > 1) ? msg2 : msg1); | |
2452 | }'; | |
2453 | ||
2454 | $l10n = _get_reader(); | |
2455 | ||
2456 | for ($i = 0; $i < $l10n->total; $i++) { | |
2457 | $orig = $l10n->get_original_string($i); | |
2458 | if(strpos($orig, "\000") !== FALSE) { // Plural forms | |
2459 | $key = explode(chr(0), $orig); | |
2460 | print T_js_decl($key[0], _ngettext($key[0], $key[1], 1)); // Singular | |
2461 | print T_js_decl($key[1], _ngettext($key[0], $key[1], 2)); // Plural | |
2462 | } else { | |
2463 | $translation = __($orig); | |
2464 | print T_js_decl($orig, $translation); | |
2465 | } | |
2466 | } | |
2467 | } | |
2468 | ||
2469 | function get_theme_path($theme) { | |
2470 | if ($theme == "default.php") | |
2471 | return "css/default.css"; | |
2472 | ||
2473 | $check = "themes/$theme"; | |
2474 | if (file_exists($check)) return $check; | |
2475 | ||
2476 | $check = "themes.local/$theme"; | |
2477 | if (file_exists($check)) return $check; | |
2478 | } | |
2479 | ||
2480 | function theme_valid($theme) { | |
2481 | $bundled_themes = [ "default.php", "night.css", "compact.css" ]; | |
2482 | ||
2483 | if (in_array($theme, $bundled_themes)) return true; | |
2484 | ||
2485 | $file = "themes/" . basename($theme); | |
2486 | ||
2487 | if (!file_exists($file)) $file = "themes.local/" . basename($theme); | |
2488 | ||
2489 | if (file_exists($file) && is_readable($file)) { | |
2490 | $fh = fopen($file, "r"); | |
2491 | ||
2492 | if ($fh) { | |
2493 | $header = fgets($fh); | |
2494 | fclose($fh); | |
2495 | ||
2496 | return strpos($header, "supports-version:" . VERSION_STATIC) !== FALSE; | |
2497 | } | |
2498 | } | |
2499 | ||
2500 | return false; | |
2501 | } | |
2502 | ||
2503 | /** | |
2504 | * @SuppressWarnings(unused) | |
2505 | */ | |
2506 | function error_json($code) { | |
2507 | require_once "errors.php"; | |
2508 | ||
2509 | @$message = $ERRORS[$code]; | |
2510 | ||
2511 | return json_encode(array("error" => | |
2512 | array("code" => $code, "message" => $message))); | |
2513 | ||
2514 | } | |
2515 | ||
2516 | /*function abs_to_rel_path($dir) { | |
2517 | $tmp = str_replace(dirname(__DIR__), "", $dir); | |
2518 | ||
2519 | if (strlen($tmp) > 0 && substr($tmp, 0, 1) == "/") $tmp = substr($tmp, 1); | |
2520 | ||
2521 | return $tmp; | |
2522 | }*/ | |
2523 | ||
2524 | function get_upload_error_message($code) { | |
2525 | ||
2526 | $errors = array( | |
2527 | 0 => __('There is no error, the file uploaded with success'), | |
2528 | 1 => __('The uploaded file exceeds the upload_max_filesize directive in php.ini'), | |
2529 | 2 => __('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form'), | |
2530 | 3 => __('The uploaded file was only partially uploaded'), | |
2531 | 4 => __('No file was uploaded'), | |
2532 | 6 => __('Missing a temporary folder'), | |
2533 | 7 => __('Failed to write file to disk.'), | |
2534 | 8 => __('A PHP extension stopped the file upload.'), | |
2535 | ); | |
2536 | ||
2537 | return $errors[$code]; | |
2538 | } | |
2539 | ||
2540 | function base64_img($filename) { | |
2541 | if (file_exists($filename)) { | |
2542 | $ext = pathinfo($filename, PATHINFO_EXTENSION); | |
2543 | ||
2544 | return "data:image/$ext;base64," . base64_encode(file_get_contents($filename)); | |
2545 | } else { | |
2546 | return ""; | |
2547 | } | |
2548 | } | |
2549 | ||
2550 | /* this is essentially a wrapper for readfile() which allows plugins to hook | |
2551 | output with httpd-specific "fast" implementation i.e. X-Sendfile or whatever else | |
2552 | ||
2553 | hook function should return true if request was handled (or at least attempted to) | |
2554 | ||
2555 | note that this can be called without user context so the plugin to handle this | |
2556 | should be loaded systemwide in config.php */ | |
2557 | function send_local_file($filename) { | |
2558 | if (file_exists($filename)) { | |
2559 | ||
2560 | if (is_writable($filename)) touch($filename); | |
2561 | ||
2562 | $tmppluginhost = new PluginHost(); | |
2563 | ||
2564 | $tmppluginhost->load(PLUGINS, PluginHost::KIND_SYSTEM); | |
2565 | $tmppluginhost->load_data(); | |
2566 | ||
2567 | foreach ($tmppluginhost->get_hooks(PluginHost::HOOK_SEND_LOCAL_FILE) as $plugin) { | |
2568 | if ($plugin->hook_send_local_file($filename)) return true; | |
2569 | } | |
2570 | ||
2571 | $mimetype = mime_content_type($filename); | |
2572 | ||
2573 | // this is hardly ideal but 1) only media is cached in images/ and 2) seemingly only mp4 | |
2574 | // video files are detected as octet-stream by mime_content_type() | |
2575 | ||
2576 | if ($mimetype == "application/octet-stream") | |
2577 | $mimetype = "video/mp4"; | |
2578 | ||
2579 | header("Content-type: $mimetype"); | |
2580 | ||
2581 | $stamp = gmdate("D, d M Y H:i:s", filemtime($filename)) . " GMT"; | |
2582 | header("Last-Modified: $stamp", true); | |
2583 | ||
2584 | return readfile($filename); | |
2585 | } else { | |
2586 | return false; | |
2587 | } | |
2588 | } | |
2589 | ||
2590 | function check_mysql_tables() { | |
2591 | $pdo = Db::pdo(); | |
2592 | ||
2593 | $sth = $pdo->prepare("SELECT engine, table_name FROM information_schema.tables WHERE | |
2594 | table_schema = ? AND table_name LIKE 'ttrss_%' AND engine != 'InnoDB'"); | |
2595 | $sth->execute([DB_NAME]); | |
2596 | ||
2597 | $bad_tables = []; | |
2598 | ||
2599 | while ($line = $sth->fetch()) { | |
2600 | array_push($bad_tables, $line); | |
2601 | } | |
2602 | ||
2603 | return $bad_tables; | |
2604 | } | |
2605 | ||
2606 | function validate_field($string, $allowed, $default = "") { | |
2607 | if (in_array($string, $allowed)) | |
2608 | return $string; | |
2609 | else | |
2610 | return $default; | |
2611 | } | |
2612 | ||
2613 | function arr_qmarks($arr) { | |
2614 | return str_repeat('?,', count($arr) - 1) . '?'; | |
2615 | } |