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1 | <?php | |
2 | /** | |
3 | * Shaarli - The personal, minimalist, super-fast, database free, bookmarking service. | |
4 | * | |
5 | * Friendly fork by the Shaarli community: | |
6 | * - https://github.com/shaarli/Shaarli | |
7 | * | |
8 | * Original project by sebsauvage.net: | |
9 | * - http://sebsauvage.net/wiki/doku.php?id=php:shaarli | |
10 | * - https://github.com/sebsauvage/Shaarli | |
11 | * | |
12 | * Licence: http://www.opensource.org/licenses/zlib-license.php | |
13 | * | |
14 | * Requires: PHP 5.5.x | |
15 | */ | |
16 | ||
17 | // Set 'UTC' as the default timezone if it is not defined in php.ini | |
18 | // See http://php.net/manual/en/datetime.configuration.php#ini.date.timezone | |
19 | if (date_default_timezone_get() == '') { | |
20 | date_default_timezone_set('UTC'); | |
21 | } | |
22 | ||
23 | /* | |
24 | * PHP configuration | |
25 | */ | |
26 | ||
27 | // http://server.com/x/shaarli --> /shaarli/ | |
28 | define('WEB_PATH', substr($_SERVER['REQUEST_URI'], 0, 1+strrpos($_SERVER['REQUEST_URI'], '/', 0))); | |
29 | ||
30 | // High execution time in case of problematic imports/exports. | |
31 | ini_set('max_input_time','60'); | |
32 | ||
33 | // Try to set max upload file size and read | |
34 | ini_set('memory_limit', '128M'); | |
35 | ini_set('post_max_size', '16M'); | |
36 | ini_set('upload_max_filesize', '16M'); | |
37 | ||
38 | // See all error except warnings | |
39 | error_reporting(E_ALL^E_WARNING); | |
40 | // See all errors (for debugging only) | |
41 | //error_reporting(-1); | |
42 | ||
43 | ||
44 | // 3rd-party libraries | |
45 | if (! file_exists(__DIR__ . '/vendor/autoload.php')) { | |
46 | header('Content-Type: text/plain; charset=utf-8'); | |
47 | echo "Error: missing Composer configuration\n\n" | |
48 | ."If you installed Shaarli through Git or using the development branch,\n" | |
49 | ."please refer to the installation documentation to install PHP" | |
50 | ." dependencies using Composer:\n" | |
51 | ."- https://shaarli.readthedocs.io/en/master/Server-requirements/\n" | |
52 | ."- https://shaarli.readthedocs.io/en/master/Download-and-Installation/"; | |
53 | exit; | |
54 | } | |
55 | require_once 'inc/rain.tpl.class.php'; | |
56 | require_once __DIR__ . '/vendor/autoload.php'; | |
57 | ||
58 | // Shaarli library | |
59 | require_once 'application/ApplicationUtils.php'; | |
60 | require_once 'application/Cache.php'; | |
61 | require_once 'application/CachedPage.php'; | |
62 | require_once 'application/config/ConfigPlugin.php'; | |
63 | require_once 'application/FeedBuilder.php'; | |
64 | require_once 'application/FileUtils.php'; | |
65 | require_once 'application/History.php'; | |
66 | require_once 'application/HttpUtils.php'; | |
67 | require_once 'application/LinkDB.php'; | |
68 | require_once 'application/LinkFilter.php'; | |
69 | require_once 'application/LinkUtils.php'; | |
70 | require_once 'application/NetscapeBookmarkUtils.php'; | |
71 | require_once 'application/PageBuilder.php'; | |
72 | require_once 'application/TimeZone.php'; | |
73 | require_once 'application/Url.php'; | |
74 | require_once 'application/Utils.php'; | |
75 | require_once 'application/PluginManager.php'; | |
76 | require_once 'application/Router.php'; | |
77 | require_once 'application/Updater.php'; | |
78 | use \Shaarli\Languages; | |
79 | use \Shaarli\ThemeUtils; | |
80 | use \Shaarli\Config\ConfigManager; | |
81 | use \Shaarli\SessionManager; | |
82 | ||
83 | // Ensure the PHP version is supported | |
84 | try { | |
85 | ApplicationUtils::checkPHPVersion('5.5', PHP_VERSION); | |
86 | } catch(Exception $exc) { | |
87 | header('Content-Type: text/plain; charset=utf-8'); | |
88 | echo $exc->getMessage(); | |
89 | exit; | |
90 | } | |
91 | ||
92 | define('SHAARLI_VERSION', ApplicationUtils::getVersion(__DIR__ .'/'. ApplicationUtils::$VERSION_FILE)); | |
93 | ||
94 | // Force cookie path (but do not change lifetime) | |
95 | $cookie = session_get_cookie_params(); | |
96 | $cookiedir = ''; | |
97 | if (dirname($_SERVER['SCRIPT_NAME']) != '/') { | |
98 | $cookiedir = dirname($_SERVER["SCRIPT_NAME"]).'/'; | |
99 | } | |
100 | // Set default cookie expiration and path. | |
101 | session_set_cookie_params($cookie['lifetime'], $cookiedir, $_SERVER['SERVER_NAME']); | |
102 | // Set session parameters on server side. | |
103 | // If the user does not access any page within this time, his/her session is considered expired. | |
104 | define('INACTIVITY_TIMEOUT', 3600); // in seconds. | |
105 | // Use cookies to store session. | |
106 | ini_set('session.use_cookies', 1); | |
107 | // Force cookies for session (phpsessionID forbidden in URL). | |
108 | ini_set('session.use_only_cookies', 1); | |
109 | // Prevent PHP form using sessionID in URL if cookies are disabled. | |
110 | ini_set('session.use_trans_sid', false); | |
111 | ||
112 | session_name('shaarli'); | |
113 | // Start session if needed (Some server auto-start sessions). | |
114 | if (session_id() == '') { | |
115 | session_start(); | |
116 | } | |
117 | ||
118 | // Regenerate session ID if invalid or not defined in cookie. | |
119 | if (isset($_COOKIE['shaarli']) && !SessionManager::checkId($_COOKIE['shaarli'])) { | |
120 | session_regenerate_id(true); | |
121 | $_COOKIE['shaarli'] = session_id(); | |
122 | } | |
123 | ||
124 | $conf = new ConfigManager(); | |
125 | $sessionManager = new SessionManager($_SESSION, $conf); | |
126 | ||
127 | // Sniff browser language and set date format accordingly. | |
128 | if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) { | |
129 | autoLocale($_SERVER['HTTP_ACCEPT_LANGUAGE']); | |
130 | } | |
131 | ||
132 | new Languages(setlocale(LC_MESSAGES, 0), $conf); | |
133 | ||
134 | $conf->setEmpty('general.timezone', date_default_timezone_get()); | |
135 | $conf->setEmpty('general.title', t('Shared links on '). escape(index_url($_SERVER))); | |
136 | RainTPL::$tpl_dir = $conf->get('resource.raintpl_tpl').'/'.$conf->get('resource.theme').'/'; // template directory | |
137 | RainTPL::$cache_dir = $conf->get('resource.raintpl_tmp'); // cache directory | |
138 | ||
139 | $pluginManager = new PluginManager($conf); | |
140 | $pluginManager->load($conf->get('general.enabled_plugins')); | |
141 | ||
142 | date_default_timezone_set($conf->get('general.timezone', 'UTC')); | |
143 | ||
144 | ob_start(); // Output buffering for the page cache. | |
145 | ||
146 | // Prevent caching on client side or proxy: (yes, it's ugly) | |
147 | header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); | |
148 | header("Cache-Control: no-store, no-cache, must-revalidate"); | |
149 | header("Cache-Control: post-check=0, pre-check=0", false); | |
150 | header("Pragma: no-cache"); | |
151 | ||
152 | if (! is_file($conf->getConfigFileExt())) { | |
153 | // Ensure Shaarli has proper access to its resources | |
154 | $errors = ApplicationUtils::checkResourcePermissions($conf); | |
155 | ||
156 | if ($errors != array()) { | |
157 | $message = '<p>'. t('Insufficient permissions:') .'</p><ul>'; | |
158 | ||
159 | foreach ($errors as $error) { | |
160 | $message .= '<li>'.$error.'</li>'; | |
161 | } | |
162 | $message .= '</ul>'; | |
163 | ||
164 | header('Content-Type: text/html; charset=utf-8'); | |
165 | echo $message; | |
166 | exit; | |
167 | } | |
168 | ||
169 | // Display the installation form if no existing config is found | |
170 | install($conf, $sessionManager); | |
171 | } | |
172 | ||
173 | // a token depending of deployment salt, user password, and the current ip | |
174 | define('STAY_SIGNED_IN_TOKEN', sha1($conf->get('credentials.hash') . $_SERVER['REMOTE_ADDR'] . $conf->get('credentials.salt'))); | |
175 | ||
176 | /** | |
177 | * Checking session state (i.e. is the user still logged in) | |
178 | * | |
179 | * @param ConfigManager $conf The configuration manager. | |
180 | * | |
181 | * @return bool: true if the user is logged in, false otherwise. | |
182 | */ | |
183 | function setup_login_state($conf) | |
184 | { | |
185 | if ($conf->get('security.open_shaarli')) { | |
186 | return true; | |
187 | } | |
188 | $userIsLoggedIn = false; // By default, we do not consider the user as logged in; | |
189 | $loginFailure = false; // If set to true, every attempt to authenticate the user will fail. This indicates that an important condition isn't met. | |
190 | if (! $conf->exists('credentials.login')) { | |
191 | $userIsLoggedIn = false; // Shaarli is not configured yet. | |
192 | $loginFailure = true; | |
193 | } | |
194 | if (isset($_COOKIE['shaarli_staySignedIn']) && | |
195 | $_COOKIE['shaarli_staySignedIn']===STAY_SIGNED_IN_TOKEN && | |
196 | !$loginFailure) | |
197 | { | |
198 | fillSessionInfo($conf); | |
199 | $userIsLoggedIn = true; | |
200 | } | |
201 | // If session does not exist on server side, or IP address has changed, or session has expired, logout. | |
202 | if (empty($_SESSION['uid']) | |
203 | || ($conf->get('security.session_protection_disabled') === false && $_SESSION['ip'] != allIPs()) | |
204 | || time() >= $_SESSION['expires_on']) | |
205 | { | |
206 | logout(); | |
207 | $userIsLoggedIn = false; | |
208 | $loginFailure = true; | |
209 | } | |
210 | if (!empty($_SESSION['longlastingsession'])) { | |
211 | $_SESSION['expires_on']=time()+$_SESSION['longlastingsession']; // In case of "Stay signed in" checked. | |
212 | } | |
213 | else { | |
214 | $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Standard session expiration date. | |
215 | } | |
216 | if (!$loginFailure) { | |
217 | $userIsLoggedIn = true; | |
218 | } | |
219 | ||
220 | return $userIsLoggedIn; | |
221 | } | |
222 | $userIsLoggedIn = setup_login_state($conf); | |
223 | ||
224 | // ------------------------------------------------------------------------------------------ | |
225 | // Session management | |
226 | ||
227 | // Returns the IP address of the client (Used to prevent session cookie hijacking.) | |
228 | function allIPs() | |
229 | { | |
230 | $ip = $_SERVER['REMOTE_ADDR']; | |
231 | // Then we use more HTTP headers to prevent session hijacking from users behind the same proxy. | |
232 | if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $ip=$ip.'_'.$_SERVER['HTTP_X_FORWARDED_FOR']; } | |
233 | if (isset($_SERVER['HTTP_CLIENT_IP'])) { $ip=$ip.'_'.$_SERVER['HTTP_CLIENT_IP']; } | |
234 | return $ip; | |
235 | } | |
236 | ||
237 | /** | |
238 | * Load user session. | |
239 | * | |
240 | * @param ConfigManager $conf Configuration Manager instance. | |
241 | */ | |
242 | function fillSessionInfo($conf) | |
243 | { | |
244 | $_SESSION['uid'] = sha1(uniqid('',true).'_'.mt_rand()); // Generate unique random number (different than phpsessionid) | |
245 | $_SESSION['ip']=allIPs(); // We store IP address(es) of the client to make sure session is not hijacked. | |
246 | $_SESSION['username']= $conf->get('credentials.login'); | |
247 | $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Set session expiration. | |
248 | } | |
249 | ||
250 | /** | |
251 | * Check that user/password is correct. | |
252 | * | |
253 | * @param string $login Username | |
254 | * @param string $password User password | |
255 | * @param ConfigManager $conf Configuration Manager instance. | |
256 | * | |
257 | * @return bool: authentication successful or not. | |
258 | */ | |
259 | function check_auth($login, $password, $conf) | |
260 | { | |
261 | $hash = sha1($password . $login . $conf->get('credentials.salt')); | |
262 | if ($login == $conf->get('credentials.login') && $hash == $conf->get('credentials.hash')) | |
263 | { // Login/password is correct. | |
264 | fillSessionInfo($conf); | |
265 | logm($conf->get('resource.log'), $_SERVER['REMOTE_ADDR'], 'Login successful'); | |
266 | return true; | |
267 | } | |
268 | logm($conf->get('resource.log'), $_SERVER['REMOTE_ADDR'], 'Login failed for user '.$login); | |
269 | return false; | |
270 | } | |
271 | ||
272 | // Returns true if the user is logged in. | |
273 | function isLoggedIn() | |
274 | { | |
275 | global $userIsLoggedIn; | |
276 | return $userIsLoggedIn; | |
277 | } | |
278 | ||
279 | // Force logout. | |
280 | function logout() { | |
281 | if (isset($_SESSION)) { | |
282 | unset($_SESSION['uid']); | |
283 | unset($_SESSION['ip']); | |
284 | unset($_SESSION['username']); | |
285 | unset($_SESSION['privateonly']); | |
286 | unset($_SESSION['untaggedonly']); | |
287 | } | |
288 | setcookie('shaarli_staySignedIn', FALSE, 0, WEB_PATH); | |
289 | } | |
290 | ||
291 | ||
292 | // ------------------------------------------------------------------------------------------ | |
293 | // Brute force protection system | |
294 | // Several consecutive failed logins will ban the IP address for 30 minutes. | |
295 | if (!is_file($conf->get('resource.ban_file', 'data/ipbans.php'))) { | |
296 | // FIXME! globals | |
297 | file_put_contents( | |
298 | $conf->get('resource.ban_file', 'data/ipbans.php'), | |
299 | "<?php\n\$GLOBALS['IPBANS']=".var_export(array('FAILURES'=>array(),'BANS'=>array()),true).";\n?>" | |
300 | ); | |
301 | } | |
302 | include $conf->get('resource.ban_file', 'data/ipbans.php'); | |
303 | /** | |
304 | * Signal a failed login. Will ban the IP if too many failures: | |
305 | * | |
306 | * @param ConfigManager $conf Configuration Manager instance. | |
307 | */ | |
308 | function ban_loginFailed($conf) | |
309 | { | |
310 | $ip = $_SERVER['REMOTE_ADDR']; | |
311 | $trusted = $conf->get('security.trusted_proxies', array()); | |
312 | if (in_array($ip, $trusted)) { | |
313 | $ip = getIpAddressFromProxy($_SERVER, $trusted); | |
314 | if (!$ip) { | |
315 | return; | |
316 | } | |
317 | } | |
318 | $gb = $GLOBALS['IPBANS']; | |
319 | if (! isset($gb['FAILURES'][$ip])) { | |
320 | $gb['FAILURES'][$ip]=0; | |
321 | } | |
322 | $gb['FAILURES'][$ip]++; | |
323 | if ($gb['FAILURES'][$ip] > ($conf->get('security.ban_after') - 1)) | |
324 | { | |
325 | $gb['BANS'][$ip] = time() + $conf->get('security.ban_after', 1800); | |
326 | logm($conf->get('resource.log'), $_SERVER['REMOTE_ADDR'], 'IP address banned from login'); | |
327 | } | |
328 | $GLOBALS['IPBANS'] = $gb; | |
329 | file_put_contents( | |
330 | $conf->get('resource.ban_file', 'data/ipbans.php'), | |
331 | "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>" | |
332 | ); | |
333 | } | |
334 | ||
335 | /** | |
336 | * Signals a successful login. Resets failed login counter. | |
337 | * | |
338 | * @param ConfigManager $conf Configuration Manager instance. | |
339 | */ | |
340 | function ban_loginOk($conf) | |
341 | { | |
342 | $ip = $_SERVER['REMOTE_ADDR']; | |
343 | $gb = $GLOBALS['IPBANS']; | |
344 | unset($gb['FAILURES'][$ip]); unset($gb['BANS'][$ip]); | |
345 | $GLOBALS['IPBANS'] = $gb; | |
346 | file_put_contents( | |
347 | $conf->get('resource.ban_file', 'data/ipbans.php'), | |
348 | "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>" | |
349 | ); | |
350 | } | |
351 | ||
352 | /** | |
353 | * Checks if the user CAN login. If 'true', the user can try to login. | |
354 | * | |
355 | * @param ConfigManager $conf Configuration Manager instance. | |
356 | * | |
357 | * @return bool: true if the user is allowed to login. | |
358 | */ | |
359 | function ban_canLogin($conf) | |
360 | { | |
361 | $ip=$_SERVER["REMOTE_ADDR"]; $gb=$GLOBALS['IPBANS']; | |
362 | if (isset($gb['BANS'][$ip])) | |
363 | { | |
364 | // User is banned. Check if the ban has expired: | |
365 | if ($gb['BANS'][$ip]<=time()) | |
366 | { // Ban expired, user can try to login again. | |
367 | logm($conf->get('resource.log'), $_SERVER['REMOTE_ADDR'], 'Ban lifted.'); | |
368 | unset($gb['FAILURES'][$ip]); unset($gb['BANS'][$ip]); | |
369 | file_put_contents( | |
370 | $conf->get('resource.ban_file', 'data/ipbans.php'), | |
371 | "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>" | |
372 | ); | |
373 | return true; // Ban has expired, user can login. | |
374 | } | |
375 | return false; // User is banned. | |
376 | } | |
377 | return true; // User is not banned. | |
378 | } | |
379 | ||
380 | // ------------------------------------------------------------------------------------------ | |
381 | // Process login form: Check if login/password is correct. | |
382 | if (isset($_POST['login'])) | |
383 | { | |
384 | if (!ban_canLogin($conf)) die(t('I said: NO. You are banned for the moment. Go away.')); | |
385 | if (isset($_POST['password']) | |
386 | && $sessionManager->checkToken($_POST['token']) | |
387 | && (check_auth($_POST['login'], $_POST['password'], $conf)) | |
388 | ) { // Login/password is OK. | |
389 | ban_loginOk($conf); | |
390 | // If user wants to keep the session cookie even after the browser closes: | |
391 | if (!empty($_POST['longlastingsession'])) | |
392 | { | |
393 | $_SESSION['longlastingsession'] = 31536000; // (31536000 seconds = 1 year) | |
394 | $expiration = time() + $_SESSION['longlastingsession']; // calculate relative cookie expiration (1 year from now) | |
395 | setcookie('shaarli_staySignedIn', STAY_SIGNED_IN_TOKEN, $expiration, WEB_PATH); | |
396 | $_SESSION['expires_on'] = $expiration; // Set session expiration on server-side. | |
397 | ||
398 | $cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/'; | |
399 | session_set_cookie_params($_SESSION['longlastingsession'],$cookiedir,$_SERVER['SERVER_NAME']); // Set session cookie expiration on client side | |
400 | // Note: Never forget the trailing slash on the cookie path! | |
401 | session_regenerate_id(true); // Send cookie with new expiration date to browser. | |
402 | } | |
403 | else // Standard session expiration (=when browser closes) | |
404 | { | |
405 | $cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/'; | |
406 | session_set_cookie_params(0,$cookiedir,$_SERVER['SERVER_NAME']); // 0 means "When browser closes" | |
407 | session_regenerate_id(true); | |
408 | } | |
409 | ||
410 | // Optional redirect after login: | |
411 | if (isset($_GET['post'])) { | |
412 | $uri = '?post='. urlencode($_GET['post']); | |
413 | foreach (array('description', 'source', 'title', 'tags') as $param) { | |
414 | if (!empty($_GET[$param])) { | |
415 | $uri .= '&'.$param.'='.urlencode($_GET[$param]); | |
416 | } | |
417 | } | |
418 | header('Location: '. $uri); | |
419 | exit; | |
420 | } | |
421 | ||
422 | if (isset($_GET['edit_link'])) { | |
423 | header('Location: ?edit_link='. escape($_GET['edit_link'])); | |
424 | exit; | |
425 | } | |
426 | ||
427 | if (isset($_POST['returnurl'])) { | |
428 | // Prevent loops over login screen. | |
429 | if (strpos($_POST['returnurl'], 'do=login') === false) { | |
430 | header('Location: '. generateLocation($_POST['returnurl'], $_SERVER['HTTP_HOST'])); | |
431 | exit; | |
432 | } | |
433 | } | |
434 | header('Location: ?'); exit; | |
435 | } | |
436 | else | |
437 | { | |
438 | ban_loginFailed($conf); | |
439 | $redir = '&username='. $_POST['login']; | |
440 | if (isset($_GET['post'])) { | |
441 | $redir .= '&post=' . urlencode($_GET['post']); | |
442 | foreach (array('description', 'source', 'title', 'tags') as $param) { | |
443 | if (!empty($_GET[$param])) { | |
444 | $redir .= '&' . $param . '=' . urlencode($_GET[$param]); | |
445 | } | |
446 | } | |
447 | } | |
448 | // Redirect to login screen. | |
449 | echo '<script>alert("'. t("Wrong login/password.") .'");document.location=\'?do=login'.$redir.'\';</script>'; | |
450 | exit; | |
451 | } | |
452 | } | |
453 | ||
454 | // ------------------------------------------------------------------------------------------ | |
455 | // Token management for XSRF protection | |
456 | // Token should be used in any form which acts on data (create,update,delete,import...). | |
457 | if (!isset($_SESSION['tokens'])) $_SESSION['tokens']=array(); // Token are attached to the session. | |
458 | ||
459 | /** | |
460 | * Daily RSS feed: 1 RSS entry per day giving all the links on that day. | |
461 | * Gives the last 7 days (which have links). | |
462 | * This RSS feed cannot be filtered. | |
463 | * | |
464 | * @param ConfigManager $conf Configuration Manager instance. | |
465 | */ | |
466 | function showDailyRSS($conf) { | |
467 | // Cache system | |
468 | $query = $_SERVER['QUERY_STRING']; | |
469 | $cache = new CachedPage( | |
470 | $conf->get('config.PAGE_CACHE'), | |
471 | page_url($_SERVER), | |
472 | startsWith($query,'do=dailyrss') && !isLoggedIn() | |
473 | ); | |
474 | $cached = $cache->cachedVersion(); | |
475 | if (!empty($cached)) { | |
476 | echo $cached; | |
477 | exit; | |
478 | } | |
479 | ||
480 | // If cached was not found (or not usable), then read the database and build the response: | |
481 | // Read links from database (and filter private links if used it not logged in). | |
482 | $LINKSDB = new LinkDB( | |
483 | $conf->get('resource.datastore'), | |
484 | isLoggedIn(), | |
485 | $conf->get('privacy.hide_public_links'), | |
486 | $conf->get('redirector.url'), | |
487 | $conf->get('redirector.encode_url') | |
488 | ); | |
489 | ||
490 | /* Some Shaarlies may have very few links, so we need to look | |
491 | back in time until we have enough days ($nb_of_days). | |
492 | */ | |
493 | $nb_of_days = 7; // We take 7 days. | |
494 | $today = date('Ymd'); | |
495 | $days = array(); | |
496 | ||
497 | foreach ($LINKSDB as $link) { | |
498 | $day = $link['created']->format('Ymd'); // Extract day (without time) | |
499 | if (strcmp($day, $today) < 0) { | |
500 | if (empty($days[$day])) { | |
501 | $days[$day] = array(); | |
502 | } | |
503 | $days[$day][] = $link; | |
504 | } | |
505 | ||
506 | if (count($days) > $nb_of_days) { | |
507 | break; // Have we collected enough days? | |
508 | } | |
509 | } | |
510 | ||
511 | // Build the RSS feed. | |
512 | header('Content-Type: application/rss+xml; charset=utf-8'); | |
513 | $pageaddr = escape(index_url($_SERVER)); | |
514 | echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">'; | |
515 | echo '<channel>'; | |
516 | echo '<title>Daily - '. $conf->get('general.title') . '</title>'; | |
517 | echo '<link>'. $pageaddr .'</link>'; | |
518 | echo '<description>Daily shared links</description>'; | |
519 | echo '<language>en-en</language>'; | |
520 | echo '<copyright>'. $pageaddr .'</copyright>'. PHP_EOL; | |
521 | ||
522 | // For each day. | |
523 | foreach ($days as $day => $links) { | |
524 | $dayDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $day.'_000000'); | |
525 | $absurl = escape(index_url($_SERVER).'?do=daily&day='.$day); // Absolute URL of the corresponding "Daily" page. | |
526 | ||
527 | // We pre-format some fields for proper output. | |
528 | foreach ($links as &$link) { | |
529 | $link['formatedDescription'] = format_description( | |
530 | $link['description'], | |
531 | $conf->get('redirector.url'), | |
532 | $conf->get('redirector.encode_url') | |
533 | ); | |
534 | $link['thumbnail'] = thumbnail($conf, $link['url']); | |
535 | $link['timestamp'] = $link['created']->getTimestamp(); | |
536 | if (startsWith($link['url'], '?')) { | |
537 | $link['url'] = index_url($_SERVER) . $link['url']; // make permalink URL absolute | |
538 | } | |
539 | } | |
540 | ||
541 | // Then build the HTML for this day: | |
542 | $tpl = new RainTPL; | |
543 | $tpl->assign('title', $conf->get('general.title')); | |
544 | $tpl->assign('daydate', $dayDate->getTimestamp()); | |
545 | $tpl->assign('absurl', $absurl); | |
546 | $tpl->assign('links', $links); | |
547 | $tpl->assign('rssdate', escape($dayDate->format(DateTime::RSS))); | |
548 | $tpl->assign('hide_timestamps', $conf->get('privacy.hide_timestamps', false)); | |
549 | $html = $tpl->draw('dailyrss', true); | |
550 | ||
551 | echo $html . PHP_EOL; | |
552 | } | |
553 | echo '</channel></rss><!-- Cached version of '. escape(page_url($_SERVER)) .' -->'; | |
554 | ||
555 | $cache->cache(ob_get_contents()); | |
556 | ob_end_flush(); | |
557 | exit; | |
558 | } | |
559 | ||
560 | /** | |
561 | * Show the 'Daily' page. | |
562 | * | |
563 | * @param PageBuilder $pageBuilder Template engine wrapper. | |
564 | * @param LinkDB $LINKSDB LinkDB instance. | |
565 | * @param ConfigManager $conf Configuration Manager instance. | |
566 | * @param PluginManager $pluginManager Plugin Manager instane. | |
567 | */ | |
568 | function showDaily($pageBuilder, $LINKSDB, $conf, $pluginManager) | |
569 | { | |
570 | $day = date('Ymd', strtotime('-1 day')); // Yesterday, in format YYYYMMDD. | |
571 | if (isset($_GET['day'])) { | |
572 | $day = $_GET['day']; | |
573 | } | |
574 | ||
575 | $days = $LINKSDB->days(); | |
576 | $i = array_search($day, $days); | |
577 | if ($i === false && count($days)) { | |
578 | // no links for day, but at least one day with links | |
579 | $i = count($days) - 1; | |
580 | $day = $days[$i]; | |
581 | } | |
582 | $previousday = ''; | |
583 | $nextday = ''; | |
584 | ||
585 | if ($i !== false) { | |
586 | if ($i >= 1) { | |
587 | $previousday=$days[$i - 1]; | |
588 | } | |
589 | if ($i < count($days) - 1) { | |
590 | $nextday = $days[$i + 1]; | |
591 | } | |
592 | } | |
593 | try { | |
594 | $linksToDisplay = $LINKSDB->filterDay($day); | |
595 | } catch (Exception $exc) { | |
596 | error_log($exc); | |
597 | $linksToDisplay = array(); | |
598 | } | |
599 | ||
600 | // We pre-format some fields for proper output. | |
601 | foreach($linksToDisplay as $key => $link) { | |
602 | $taglist = explode(' ',$link['tags']); | |
603 | uasort($taglist, 'strcasecmp'); | |
604 | $linksToDisplay[$key]['taglist']=$taglist; | |
605 | $linksToDisplay[$key]['formatedDescription'] = format_description( | |
606 | $link['description'], | |
607 | $conf->get('redirector.url'), | |
608 | $conf->get('redirector.encode_url') | |
609 | ); | |
610 | $linksToDisplay[$key]['thumbnail'] = thumbnail($conf, $link['url']); | |
611 | $linksToDisplay[$key]['timestamp'] = $link['created']->getTimestamp(); | |
612 | } | |
613 | ||
614 | /* We need to spread the articles on 3 columns. | |
615 | I did not want to use a JavaScript lib like http://masonry.desandro.com/ | |
616 | so I manually spread entries with a simple method: I roughly evaluate the | |
617 | height of a div according to title and description length. | |
618 | */ | |
619 | $columns = array(array(), array(), array()); // Entries to display, for each column. | |
620 | $fill = array(0, 0, 0); // Rough estimate of columns fill. | |
621 | foreach($linksToDisplay as $key => $link) { | |
622 | // Roughly estimate length of entry (by counting characters) | |
623 | // Title: 30 chars = 1 line. 1 line is 30 pixels height. | |
624 | // Description: 836 characters gives roughly 342 pixel height. | |
625 | // This is not perfect, but it's usually OK. | |
626 | $length = strlen($link['title']) + (342 * strlen($link['description'])) / 836; | |
627 | if ($link['thumbnail']) { | |
628 | $length += 100; // 1 thumbnails roughly takes 100 pixels height. | |
629 | } | |
630 | // Then put in column which is the less filled: | |
631 | $smallest = min($fill); // find smallest value in array. | |
632 | $index = array_search($smallest, $fill); // find index of this smallest value. | |
633 | array_push($columns[$index], $link); // Put entry in this column. | |
634 | $fill[$index] += $length; | |
635 | } | |
636 | ||
637 | $dayDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $day.'_000000'); | |
638 | $data = array( | |
639 | 'pagetitle' => $conf->get('general.title') .' - '. format_date($dayDate, false), | |
640 | 'linksToDisplay' => $linksToDisplay, | |
641 | 'cols' => $columns, | |
642 | 'day' => $dayDate->getTimestamp(), | |
643 | 'dayDate' => $dayDate, | |
644 | 'previousday' => $previousday, | |
645 | 'nextday' => $nextday, | |
646 | ); | |
647 | ||
648 | $pluginManager->executeHooks('render_daily', $data, array('loggedin' => isLoggedIn())); | |
649 | ||
650 | foreach ($data as $key => $value) { | |
651 | $pageBuilder->assign($key, $value); | |
652 | } | |
653 | ||
654 | $pageBuilder->renderPage('daily'); | |
655 | exit; | |
656 | } | |
657 | ||
658 | /** | |
659 | * Renders the linklist | |
660 | * | |
661 | * @param pageBuilder $PAGE pageBuilder instance. | |
662 | * @param LinkDB $LINKSDB LinkDB instance. | |
663 | * @param ConfigManager $conf Configuration Manager instance. | |
664 | * @param PluginManager $pluginManager Plugin Manager instance. | |
665 | */ | |
666 | function showLinkList($PAGE, $LINKSDB, $conf, $pluginManager) { | |
667 | buildLinkList($PAGE,$LINKSDB, $conf, $pluginManager); // Compute list of links to display | |
668 | $PAGE->renderPage('linklist'); | |
669 | } | |
670 | ||
671 | /** | |
672 | * Render HTML page (according to URL parameters and user rights) | |
673 | * | |
674 | * @param ConfigManager $conf Configuration Manager instance. | |
675 | * @param PluginManager $pluginManager Plugin Manager instance, | |
676 | * @param LinkDB $LINKSDB | |
677 | * @param History $history instance | |
678 | * @param SessionManager $sessionManager SessionManager instance | |
679 | */ | |
680 | function renderPage($conf, $pluginManager, $LINKSDB, $history, $sessionManager) | |
681 | { | |
682 | $updater = new Updater( | |
683 | read_updates_file($conf->get('resource.updates')), | |
684 | $LINKSDB, | |
685 | $conf, | |
686 | isLoggedIn() | |
687 | ); | |
688 | try { | |
689 | $newUpdates = $updater->update(); | |
690 | if (! empty($newUpdates)) { | |
691 | write_updates_file( | |
692 | $conf->get('resource.updates'), | |
693 | $updater->getDoneUpdates() | |
694 | ); | |
695 | } | |
696 | } | |
697 | catch(Exception $e) { | |
698 | die($e->getMessage()); | |
699 | } | |
700 | ||
701 | $PAGE = new PageBuilder($conf, $LINKSDB, $sessionManager->generateToken()); | |
702 | $PAGE->assign('linkcount', count($LINKSDB)); | |
703 | $PAGE->assign('privateLinkcount', count_private($LINKSDB)); | |
704 | $PAGE->assign('plugin_errors', $pluginManager->getErrors()); | |
705 | ||
706 | // Determine which page will be rendered. | |
707 | $query = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : ''; | |
708 | $targetPage = Router::findPage($query, $_GET, isLoggedIn()); | |
709 | ||
710 | if ( | |
711 | // if the user isn't logged in | |
712 | !isLoggedIn() && | |
713 | // and Shaarli doesn't have public content... | |
714 | $conf->get('privacy.hide_public_links') && | |
715 | // and is configured to enforce the login | |
716 | $conf->get('privacy.force_login') && | |
717 | // and the current page isn't already the login page | |
718 | $targetPage !== Router::$PAGE_LOGIN && | |
719 | // and the user is not requesting a feed (which would lead to a different content-type as expected) | |
720 | $targetPage !== Router::$PAGE_FEED_ATOM && | |
721 | $targetPage !== Router::$PAGE_FEED_RSS | |
722 | ) { | |
723 | // force current page to be the login page | |
724 | $targetPage = Router::$PAGE_LOGIN; | |
725 | } | |
726 | ||
727 | // Call plugin hooks for header, footer and includes, specifying which page will be rendered. | |
728 | // Then assign generated data to RainTPL. | |
729 | $common_hooks = array( | |
730 | 'includes', | |
731 | 'header', | |
732 | 'footer', | |
733 | ); | |
734 | ||
735 | foreach($common_hooks as $name) { | |
736 | $plugin_data = array(); | |
737 | $pluginManager->executeHooks('render_' . $name, $plugin_data, | |
738 | array( | |
739 | 'target' => $targetPage, | |
740 | 'loggedin' => isLoggedIn() | |
741 | ) | |
742 | ); | |
743 | $PAGE->assign('plugins_' . $name, $plugin_data); | |
744 | } | |
745 | ||
746 | // -------- Display login form. | |
747 | if ($targetPage == Router::$PAGE_LOGIN) | |
748 | { | |
749 | if ($conf->get('security.open_shaarli')) { header('Location: ?'); exit; } // No need to login for open Shaarli | |
750 | if (isset($_GET['username'])) { | |
751 | $PAGE->assign('username', escape($_GET['username'])); | |
752 | } | |
753 | $PAGE->assign('returnurl',(isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']):'')); | |
754 | // add default state of the 'remember me' checkbox | |
755 | $PAGE->assign('remember_user_default', $conf->get('privacy.remember_user_default')); | |
756 | $PAGE->renderPage('loginform'); | |
757 | exit; | |
758 | } | |
759 | // -------- User wants to logout. | |
760 | if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=logout')) | |
761 | { | |
762 | invalidateCaches($conf->get('resource.page_cache')); | |
763 | logout(); | |
764 | header('Location: ?'); | |
765 | exit; | |
766 | } | |
767 | ||
768 | // -------- Picture wall | |
769 | if ($targetPage == Router::$PAGE_PICWALL) | |
770 | { | |
771 | // Optionally filter the results: | |
772 | $links = $LINKSDB->filterSearch($_GET); | |
773 | $linksToDisplay = array(); | |
774 | ||
775 | // Get only links which have a thumbnail. | |
776 | foreach($links as $link) | |
777 | { | |
778 | $permalink='?'.$link['shorturl']; | |
779 | $thumb=lazyThumbnail($conf, $link['url'],$permalink); | |
780 | if ($thumb!='') // Only output links which have a thumbnail. | |
781 | { | |
782 | $link['thumbnail']=$thumb; // Thumbnail HTML code. | |
783 | $linksToDisplay[]=$link; // Add to array. | |
784 | } | |
785 | } | |
786 | ||
787 | $data = array( | |
788 | 'linksToDisplay' => $linksToDisplay, | |
789 | ); | |
790 | $pluginManager->executeHooks('render_picwall', $data, array('loggedin' => isLoggedIn())); | |
791 | ||
792 | foreach ($data as $key => $value) { | |
793 | $PAGE->assign($key, $value); | |
794 | } | |
795 | ||
796 | $PAGE->renderPage('picwall'); | |
797 | exit; | |
798 | } | |
799 | ||
800 | // -------- Tag cloud | |
801 | if ($targetPage == Router::$PAGE_TAGCLOUD) | |
802 | { | |
803 | $visibility = ! empty($_SESSION['privateonly']) ? 'private' : 'all'; | |
804 | $filteringTags = isset($_GET['searchtags']) ? explode(' ', $_GET['searchtags']) : []; | |
805 | $tags = $LINKSDB->linksCountPerTag($filteringTags, $visibility); | |
806 | ||
807 | // We sort tags alphabetically, then choose a font size according to count. | |
808 | // First, find max value. | |
809 | $maxcount = 0; | |
810 | foreach ($tags as $value) { | |
811 | $maxcount = max($maxcount, $value); | |
812 | } | |
813 | ||
814 | alphabetical_sort($tags, false, true); | |
815 | ||
816 | $tagList = array(); | |
817 | foreach($tags as $key => $value) { | |
818 | if (in_array($key, $filteringTags)) { | |
819 | continue; | |
820 | } | |
821 | // Tag font size scaling: | |
822 | // default 15 and 30 logarithm bases affect scaling, | |
823 | // 22 and 6 are arbitrary font sizes for max and min sizes. | |
824 | $size = log($value, 15) / log($maxcount, 30) * 2.2 + 0.8; | |
825 | $tagList[$key] = array( | |
826 | 'count' => $value, | |
827 | 'size' => number_format($size, 2, '.', ''), | |
828 | ); | |
829 | } | |
830 | ||
831 | $data = array( | |
832 | 'search_tags' => implode(' ', escape($filteringTags)), | |
833 | 'tags' => $tagList, | |
834 | ); | |
835 | $pluginManager->executeHooks('render_tagcloud', $data, array('loggedin' => isLoggedIn())); | |
836 | ||
837 | foreach ($data as $key => $value) { | |
838 | $PAGE->assign($key, $value); | |
839 | } | |
840 | ||
841 | $PAGE->renderPage('tag.cloud'); | |
842 | exit; | |
843 | } | |
844 | ||
845 | // -------- Tag list | |
846 | if ($targetPage == Router::$PAGE_TAGLIST) | |
847 | { | |
848 | $visibility = ! empty($_SESSION['privateonly']) ? 'private' : 'all'; | |
849 | $filteringTags = isset($_GET['searchtags']) ? explode(' ', $_GET['searchtags']) : []; | |
850 | $tags = $LINKSDB->linksCountPerTag($filteringTags, $visibility); | |
851 | foreach ($filteringTags as $tag) { | |
852 | if (array_key_exists($tag, $tags)) { | |
853 | unset($tags[$tag]); | |
854 | } | |
855 | } | |
856 | ||
857 | if (! empty($_GET['sort']) && $_GET['sort'] === 'alpha') { | |
858 | alphabetical_sort($tags, false, true); | |
859 | } | |
860 | ||
861 | $data = [ | |
862 | 'search_tags' => implode(' ', escape($filteringTags)), | |
863 | 'tags' => $tags, | |
864 | ]; | |
865 | $pluginManager->executeHooks('render_taglist', $data, ['loggedin' => isLoggedIn()]); | |
866 | ||
867 | foreach ($data as $key => $value) { | |
868 | $PAGE->assign($key, $value); | |
869 | } | |
870 | ||
871 | $PAGE->renderPage('tag.list'); | |
872 | exit; | |
873 | } | |
874 | ||
875 | // Daily page. | |
876 | if ($targetPage == Router::$PAGE_DAILY) { | |
877 | showDaily($PAGE, $LINKSDB, $conf, $pluginManager); | |
878 | } | |
879 | ||
880 | // ATOM and RSS feed. | |
881 | if ($targetPage == Router::$PAGE_FEED_ATOM || $targetPage == Router::$PAGE_FEED_RSS) { | |
882 | $feedType = $targetPage == Router::$PAGE_FEED_RSS ? FeedBuilder::$FEED_RSS : FeedBuilder::$FEED_ATOM; | |
883 | header('Content-Type: application/'. $feedType .'+xml; charset=utf-8'); | |
884 | ||
885 | // Cache system | |
886 | $query = $_SERVER['QUERY_STRING']; | |
887 | $cache = new CachedPage( | |
888 | $conf->get('resource.page_cache'), | |
889 | page_url($_SERVER), | |
890 | startsWith($query,'do='. $targetPage) && !isLoggedIn() | |
891 | ); | |
892 | $cached = $cache->cachedVersion(); | |
893 | if (!empty($cached)) { | |
894 | echo $cached; | |
895 | exit; | |
896 | } | |
897 | ||
898 | // Generate data. | |
899 | $feedGenerator = new FeedBuilder($LINKSDB, $feedType, $_SERVER, $_GET, isLoggedIn()); | |
900 | $feedGenerator->setLocale(strtolower(setlocale(LC_COLLATE, 0))); | |
901 | $feedGenerator->setHideDates($conf->get('privacy.hide_timestamps') && !isLoggedIn()); | |
902 | $feedGenerator->setUsePermalinks(isset($_GET['permalinks']) || !$conf->get('feed.rss_permalinks')); | |
903 | $data = $feedGenerator->buildData(); | |
904 | ||
905 | // Process plugin hook. | |
906 | $pluginManager->executeHooks('render_feed', $data, array( | |
907 | 'loggedin' => isLoggedIn(), | |
908 | 'target' => $targetPage, | |
909 | )); | |
910 | ||
911 | // Render the template. | |
912 | $PAGE->assignAll($data); | |
913 | $PAGE->renderPage('feed.'. $feedType); | |
914 | $cache->cache(ob_get_contents()); | |
915 | ob_end_flush(); | |
916 | exit; | |
917 | } | |
918 | ||
919 | // Display opensearch plugin (XML) | |
920 | if ($targetPage == Router::$PAGE_OPENSEARCH) { | |
921 | header('Content-Type: application/xml; charset=utf-8'); | |
922 | $PAGE->assign('serverurl', index_url($_SERVER)); | |
923 | $PAGE->renderPage('opensearch'); | |
924 | exit; | |
925 | } | |
926 | ||
927 | // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...) | |
928 | if (isset($_GET['addtag'])) | |
929 | { | |
930 | // Get previous URL (http_referer) and add the tag to the searchtags parameters in query. | |
931 | if (empty($_SERVER['HTTP_REFERER'])) { header('Location: ?searchtags='.urlencode($_GET['addtag'])); exit; } // In case browser does not send HTTP_REFERER | |
932 | parse_str(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_QUERY), $params); | |
933 | ||
934 | // Prevent redirection loop | |
935 | if (isset($params['addtag'])) { | |
936 | unset($params['addtag']); | |
937 | } | |
938 | ||
939 | // Check if this tag is already in the search query and ignore it if it is. | |
940 | // Each tag is always separated by a space | |
941 | if (isset($params['searchtags'])) { | |
942 | $current_tags = explode(' ', $params['searchtags']); | |
943 | } else { | |
944 | $current_tags = array(); | |
945 | } | |
946 | $addtag = true; | |
947 | foreach ($current_tags as $value) { | |
948 | if ($value === $_GET['addtag']) { | |
949 | $addtag = false; | |
950 | break; | |
951 | } | |
952 | } | |
953 | // Append the tag if necessary | |
954 | if (empty($params['searchtags'])) { | |
955 | $params['searchtags'] = trim($_GET['addtag']); | |
956 | } | |
957 | else if ($addtag) { | |
958 | $params['searchtags'] = trim($params['searchtags']).' '.trim($_GET['addtag']); | |
959 | } | |
960 | ||
961 | unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different) | |
962 | header('Location: ?'.http_build_query($params)); | |
963 | exit; | |
964 | } | |
965 | ||
966 | // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...) | |
967 | if (isset($_GET['removetag'])) { | |
968 | // Get previous URL (http_referer) and remove the tag from the searchtags parameters in query. | |
969 | if (empty($_SERVER['HTTP_REFERER'])) { | |
970 | header('Location: ?'); | |
971 | exit; | |
972 | } | |
973 | ||
974 | // In case browser does not send HTTP_REFERER | |
975 | parse_str(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_QUERY), $params); | |
976 | ||
977 | // Prevent redirection loop | |
978 | if (isset($params['removetag'])) { | |
979 | unset($params['removetag']); | |
980 | } | |
981 | ||
982 | if (isset($params['searchtags'])) { | |
983 | $tags = explode(' ', $params['searchtags']); | |
984 | // Remove value from array $tags. | |
985 | $tags = array_diff($tags, array($_GET['removetag'])); | |
986 | $params['searchtags'] = implode(' ',$tags); | |
987 | ||
988 | if (empty($params['searchtags'])) { | |
989 | unset($params['searchtags']); | |
990 | } | |
991 | ||
992 | unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different) | |
993 | } | |
994 | header('Location: ?'.http_build_query($params)); | |
995 | exit; | |
996 | } | |
997 | ||
998 | // -------- User wants to change the number of links per page (linksperpage=...) | |
999 | if (isset($_GET['linksperpage'])) { | |
1000 | if (is_numeric($_GET['linksperpage'])) { | |
1001 | $_SESSION['LINKS_PER_PAGE']=abs(intval($_GET['linksperpage'])); | |
1002 | } | |
1003 | ||
1004 | if (! empty($_SERVER['HTTP_REFERER'])) { | |
1005 | $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('linksperpage')); | |
1006 | } else { | |
1007 | $location = '?'; | |
1008 | } | |
1009 | header('Location: '. $location); | |
1010 | exit; | |
1011 | } | |
1012 | ||
1013 | // -------- User wants to see only private links (toggle) | |
1014 | if (isset($_GET['privateonly'])) { | |
1015 | if (empty($_SESSION['privateonly'])) { | |
1016 | $_SESSION['privateonly'] = 1; // See only private links | |
1017 | } else { | |
1018 | unset($_SESSION['privateonly']); // See all links | |
1019 | } | |
1020 | ||
1021 | if (! empty($_SERVER['HTTP_REFERER'])) { | |
1022 | $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('privateonly')); | |
1023 | } else { | |
1024 | $location = '?'; | |
1025 | } | |
1026 | header('Location: '. $location); | |
1027 | exit; | |
1028 | } | |
1029 | ||
1030 | // -------- User wants to see only untagged links (toggle) | |
1031 | if (isset($_GET['untaggedonly'])) { | |
1032 | $_SESSION['untaggedonly'] = empty($_SESSION['untaggedonly']); | |
1033 | ||
1034 | if (! empty($_SERVER['HTTP_REFERER'])) { | |
1035 | $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('untaggedonly')); | |
1036 | } else { | |
1037 | $location = '?'; | |
1038 | } | |
1039 | header('Location: '. $location); | |
1040 | exit; | |
1041 | } | |
1042 | ||
1043 | // -------- Handle other actions allowed for non-logged in users: | |
1044 | if (!isLoggedIn()) | |
1045 | { | |
1046 | // User tries to post new link but is not logged in: | |
1047 | // Show login screen, then redirect to ?post=... | |
1048 | if (isset($_GET['post'])) | |
1049 | { | |
1050 | header( // Redirect to login page, then back to post link. | |
1051 | 'Location: ?do=login&post='.urlencode($_GET['post']). | |
1052 | (!empty($_GET['title'])?'&title='.urlencode($_GET['title']):''). | |
1053 | (!empty($_GET['description'])?'&description='.urlencode($_GET['description']):''). | |
1054 | (!empty($_GET['tags'])?'&tags='.urlencode($_GET['tags']):''). | |
1055 | (!empty($_GET['source'])?'&source='.urlencode($_GET['source']):'') | |
1056 | ); | |
1057 | exit; | |
1058 | } | |
1059 | ||
1060 | showLinkList($PAGE, $LINKSDB, $conf, $pluginManager); | |
1061 | if (isset($_GET['edit_link'])) { | |
1062 | header('Location: ?do=login&edit_link='. escape($_GET['edit_link'])); | |
1063 | exit; | |
1064 | } | |
1065 | ||
1066 | exit; // Never remove this one! All operations below are reserved for logged in user. | |
1067 | } | |
1068 | ||
1069 | // -------- All other functions are reserved for the registered user: | |
1070 | ||
1071 | // -------- Display the Tools menu if requested (import/export/bookmarklet...) | |
1072 | if ($targetPage == Router::$PAGE_TOOLS) | |
1073 | { | |
1074 | $data = [ | |
1075 | 'pageabsaddr' => index_url($_SERVER), | |
1076 | 'sslenabled' => is_https($_SERVER), | |
1077 | ]; | |
1078 | $pluginManager->executeHooks('render_tools', $data); | |
1079 | ||
1080 | foreach ($data as $key => $value) { | |
1081 | $PAGE->assign($key, $value); | |
1082 | } | |
1083 | ||
1084 | $PAGE->renderPage('tools'); | |
1085 | exit; | |
1086 | } | |
1087 | ||
1088 | // -------- User wants to change his/her password. | |
1089 | if ($targetPage == Router::$PAGE_CHANGEPASSWORD) | |
1090 | { | |
1091 | if ($conf->get('security.open_shaarli')) { | |
1092 | die(t('You are not supposed to change a password on an Open Shaarli.')); | |
1093 | } | |
1094 | ||
1095 | if (!empty($_POST['setpassword']) && !empty($_POST['oldpassword'])) | |
1096 | { | |
1097 | if (!$sessionManager->checkToken($_POST['token'])) die(t('Wrong token.')); // Go away! | |
1098 | ||
1099 | // Make sure old password is correct. | |
1100 | $oldhash = sha1($_POST['oldpassword'].$conf->get('credentials.login').$conf->get('credentials.salt')); | |
1101 | if ($oldhash!= $conf->get('credentials.hash')) { | |
1102 | echo '<script>alert("'. t('The old password is not correct.') .'");document.location=\'?do=changepasswd\';</script>'; | |
1103 | exit; | |
1104 | } | |
1105 | // Save new password | |
1106 | // Salt renders rainbow-tables attacks useless. | |
1107 | $conf->set('credentials.salt', sha1(uniqid('', true) .'_'. mt_rand())); | |
1108 | $conf->set('credentials.hash', sha1($_POST['setpassword'] . $conf->get('credentials.login') . $conf->get('credentials.salt'))); | |
1109 | try { | |
1110 | $conf->write(isLoggedIn()); | |
1111 | } | |
1112 | catch(Exception $e) { | |
1113 | error_log( | |
1114 | 'ERROR while writing config file after changing password.' . PHP_EOL . | |
1115 | $e->getMessage() | |
1116 | ); | |
1117 | ||
1118 | // TODO: do not handle exceptions/errors in JS. | |
1119 | echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=tools\';</script>'; | |
1120 | exit; | |
1121 | } | |
1122 | echo '<script>alert("'. t('Your password has been changed') .'");document.location=\'?do=tools\';</script>'; | |
1123 | exit; | |
1124 | } | |
1125 | else // show the change password form. | |
1126 | { | |
1127 | $PAGE->renderPage('changepassword'); | |
1128 | exit; | |
1129 | } | |
1130 | } | |
1131 | ||
1132 | // -------- User wants to change configuration | |
1133 | if ($targetPage == Router::$PAGE_CONFIGURE) | |
1134 | { | |
1135 | if (!empty($_POST['title']) ) | |
1136 | { | |
1137 | if (!$sessionManager->checkToken($_POST['token'])) { | |
1138 | die(t('Wrong token.')); // Go away! | |
1139 | } | |
1140 | $tz = 'UTC'; | |
1141 | if (!empty($_POST['continent']) && !empty($_POST['city']) | |
1142 | && isTimeZoneValid($_POST['continent'], $_POST['city']) | |
1143 | ) { | |
1144 | $tz = $_POST['continent'] . '/' . $_POST['city']; | |
1145 | } | |
1146 | $conf->set('general.timezone', $tz); | |
1147 | $conf->set('general.title', escape($_POST['title'])); | |
1148 | $conf->set('general.header_link', escape($_POST['titleLink'])); | |
1149 | $conf->set('resource.theme', escape($_POST['theme'])); | |
1150 | $conf->set('redirector.url', escape($_POST['redirector'])); | |
1151 | $conf->set('security.session_protection_disabled', !empty($_POST['disablesessionprotection'])); | |
1152 | $conf->set('privacy.default_private_links', !empty($_POST['privateLinkByDefault'])); | |
1153 | $conf->set('feed.rss_permalinks', !empty($_POST['enableRssPermalinks'])); | |
1154 | $conf->set('updates.check_updates', !empty($_POST['updateCheck'])); | |
1155 | $conf->set('privacy.hide_public_links', !empty($_POST['hidePublicLinks'])); | |
1156 | $conf->set('api.enabled', !empty($_POST['enableApi'])); | |
1157 | $conf->set('api.secret', escape($_POST['apiSecret'])); | |
1158 | $conf->set('translation.language', escape($_POST['language'])); | |
1159 | ||
1160 | try { | |
1161 | $conf->write(isLoggedIn()); | |
1162 | $history->updateSettings(); | |
1163 | invalidateCaches($conf->get('resource.page_cache')); | |
1164 | } | |
1165 | catch(Exception $e) { | |
1166 | error_log( | |
1167 | 'ERROR while writing config file after configuration update.' . PHP_EOL . | |
1168 | $e->getMessage() | |
1169 | ); | |
1170 | ||
1171 | // TODO: do not handle exceptions/errors in JS. | |
1172 | echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=configure\';</script>'; | |
1173 | exit; | |
1174 | } | |
1175 | echo '<script>alert("'. t('Configuration was saved.') .'");document.location=\'?do=configure\';</script>'; | |
1176 | exit; | |
1177 | } | |
1178 | else // Show the configuration form. | |
1179 | { | |
1180 | $PAGE->assign('title', $conf->get('general.title')); | |
1181 | $PAGE->assign('theme', $conf->get('resource.theme')); | |
1182 | $PAGE->assign('theme_available', ThemeUtils::getThemes($conf->get('resource.raintpl_tpl'))); | |
1183 | $PAGE->assign('redirector', $conf->get('redirector.url')); | |
1184 | list($continents, $cities) = generateTimeZoneData( | |
1185 | timezone_identifiers_list(), | |
1186 | $conf->get('general.timezone') | |
1187 | ); | |
1188 | $PAGE->assign('continents', $continents); | |
1189 | $PAGE->assign('cities', $cities); | |
1190 | $PAGE->assign('private_links_default', $conf->get('privacy.default_private_links', false)); | |
1191 | $PAGE->assign('session_protection_disabled', $conf->get('security.session_protection_disabled', false)); | |
1192 | $PAGE->assign('enable_rss_permalinks', $conf->get('feed.rss_permalinks', false)); | |
1193 | $PAGE->assign('enable_update_check', $conf->get('updates.check_updates', true)); | |
1194 | $PAGE->assign('hide_public_links', $conf->get('privacy.hide_public_links', false)); | |
1195 | $PAGE->assign('api_enabled', $conf->get('api.enabled', true)); | |
1196 | $PAGE->assign('api_secret', $conf->get('api.secret')); | |
1197 | $PAGE->assign('languages', Languages::getAvailableLanguages()); | |
1198 | $PAGE->assign('language', $conf->get('translation.language')); | |
1199 | $PAGE->renderPage('configure'); | |
1200 | exit; | |
1201 | } | |
1202 | } | |
1203 | ||
1204 | // -------- User wants to rename a tag or delete it | |
1205 | if ($targetPage == Router::$PAGE_CHANGETAG) | |
1206 | { | |
1207 | if (empty($_POST['fromtag']) || (empty($_POST['totag']) && isset($_POST['renametag']))) { | |
1208 | $PAGE->assign('fromtag', ! empty($_GET['fromtag']) ? escape($_GET['fromtag']) : ''); | |
1209 | $PAGE->renderPage('changetag'); | |
1210 | exit; | |
1211 | } | |
1212 | ||
1213 | if (!$sessionManager->checkToken($_POST['token'])) { | |
1214 | die(t('Wrong token.')); | |
1215 | } | |
1216 | ||
1217 | $alteredLinks = $LINKSDB->renameTag(escape($_POST['fromtag']), escape($_POST['totag'])); | |
1218 | $LINKSDB->save($conf->get('resource.page_cache')); | |
1219 | foreach ($alteredLinks as $link) { | |
1220 | $history->updateLink($link); | |
1221 | } | |
1222 | $delete = empty($_POST['totag']); | |
1223 | $redirect = $delete ? 'do=changetag' : 'searchtags='. urlencode(escape($_POST['totag'])); | |
1224 | $count = count($alteredLinks); | |
1225 | $alert = $delete | |
1226 | ? sprintf(t('The tag was removed from %d link.', 'The tag was removed from %d links.', $count), $count) | |
1227 | : sprintf(t('The tag was renamed in %d link.', 'The tag was renamed in %d links.', $count), $count); | |
1228 | echo '<script>alert("'. $alert .'");document.location=\'?'. $redirect .'\';</script>'; | |
1229 | exit; | |
1230 | } | |
1231 | ||
1232 | // -------- User wants to add a link without using the bookmarklet: Show form. | |
1233 | if ($targetPage == Router::$PAGE_ADDLINK) | |
1234 | { | |
1235 | $PAGE->renderPage('addlink'); | |
1236 | exit; | |
1237 | } | |
1238 | ||
1239 | // -------- User clicked the "Save" button when editing a link: Save link to database. | |
1240 | if (isset($_POST['save_edit'])) | |
1241 | { | |
1242 | // Go away! | |
1243 | if (! $sessionManager->checkToken($_POST['token'])) { | |
1244 | die(t('Wrong token.')); | |
1245 | } | |
1246 | ||
1247 | // lf_id should only be present if the link exists. | |
1248 | $id = isset($_POST['lf_id']) ? intval(escape($_POST['lf_id'])) : $LINKSDB->getNextId(); | |
1249 | // Linkdate is kept here to: | |
1250 | // - use the same permalink for notes as they're displayed when creating them | |
1251 | // - let users hack creation date of their posts | |
1252 | // See: https://shaarli.readthedocs.io/en/master/Various-hacks/#changing-the-timestamp-for-a-shaare | |
1253 | $linkdate = escape($_POST['lf_linkdate']); | |
1254 | if (isset($LINKSDB[$id])) { | |
1255 | // Edit | |
1256 | $created = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $linkdate); | |
1257 | $updated = new DateTime(); | |
1258 | $shortUrl = $LINKSDB[$id]['shorturl']; | |
1259 | $new = false; | |
1260 | } else { | |
1261 | // New link | |
1262 | $created = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $linkdate); | |
1263 | $updated = null; | |
1264 | $shortUrl = link_small_hash($created, $id); | |
1265 | $new = true; | |
1266 | } | |
1267 | ||
1268 | // Remove multiple spaces. | |
1269 | $tags = trim(preg_replace('/\s\s+/', ' ', $_POST['lf_tags'])); | |
1270 | // Remove first '-' char in tags. | |
1271 | $tags = preg_replace('/(^| )\-/', '$1', $tags); | |
1272 | // Remove duplicates. | |
1273 | $tags = implode(' ', array_unique(explode(' ', $tags))); | |
1274 | ||
1275 | if (empty(trim($_POST['lf_url']))) { | |
1276 | $_POST['lf_url'] = '?' . smallHash($linkdate . $id); | |
1277 | } | |
1278 | $url = whitelist_protocols(trim($_POST['lf_url']), $conf->get('security.allowed_protocols')); | |
1279 | ||
1280 | $link = array( | |
1281 | 'id' => $id, | |
1282 | 'title' => trim($_POST['lf_title']), | |
1283 | 'url' => $url, | |
1284 | 'description' => $_POST['lf_description'], | |
1285 | 'private' => (isset($_POST['lf_private']) ? 1 : 0), | |
1286 | 'created' => $created, | |
1287 | 'updated' => $updated, | |
1288 | 'tags' => str_replace(',', ' ', $tags), | |
1289 | 'shorturl' => $shortUrl, | |
1290 | ); | |
1291 | ||
1292 | // If title is empty, use the URL as title. | |
1293 | if ($link['title'] == '') { | |
1294 | $link['title'] = $link['url']; | |
1295 | } | |
1296 | ||
1297 | $pluginManager->executeHooks('save_link', $link); | |
1298 | ||
1299 | $LINKSDB[$id] = $link; | |
1300 | $LINKSDB->save($conf->get('resource.page_cache')); | |
1301 | if ($new) { | |
1302 | $history->addLink($link); | |
1303 | } else { | |
1304 | $history->updateLink($link); | |
1305 | } | |
1306 | ||
1307 | // If we are called from the bookmarklet, we must close the popup: | |
1308 | if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { | |
1309 | echo '<script>self.close();</script>'; | |
1310 | exit; | |
1311 | } | |
1312 | ||
1313 | $returnurl = !empty($_POST['returnurl']) ? $_POST['returnurl'] : '?'; | |
1314 | $location = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link')); | |
1315 | // Scroll to the link which has been edited. | |
1316 | $location .= '#' . $link['shorturl']; | |
1317 | // After saving the link, redirect to the page the user was on. | |
1318 | header('Location: '. $location); | |
1319 | exit; | |
1320 | } | |
1321 | ||
1322 | // -------- User clicked the "Cancel" button when editing a link. | |
1323 | if (isset($_POST['cancel_edit'])) | |
1324 | { | |
1325 | $id = isset($_POST['lf_id']) ? (int) escape($_POST['lf_id']) : false; | |
1326 | if (! isset($LINKSDB[$id])) { | |
1327 | header('Location: ?'); | |
1328 | } | |
1329 | // If we are called from the bookmarklet, we must close the popup: | |
1330 | if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo '<script>self.close();</script>'; exit; } | |
1331 | $link = $LINKSDB[$id]; | |
1332 | $returnurl = ( isset($_POST['returnurl']) ? $_POST['returnurl'] : '?' ); | |
1333 | // Scroll to the link which has been edited. | |
1334 | $returnurl .= '#'. $link['shorturl']; | |
1335 | $returnurl = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link')); | |
1336 | header('Location: '.$returnurl); // After canceling, redirect to the page the user was on. | |
1337 | exit; | |
1338 | } | |
1339 | ||
1340 | // -------- User clicked the "Delete" button when editing a link: Delete link from database. | |
1341 | if ($targetPage == Router::$PAGE_DELETELINK) | |
1342 | { | |
1343 | if (! $sessionManager->checkToken($_GET['token'])) { | |
1344 | die(t('Wrong token.')); | |
1345 | } | |
1346 | ||
1347 | $ids = trim($_GET['lf_linkdate']); | |
1348 | if (strpos($ids, ' ') !== false) { | |
1349 | // multiple, space-separated ids provided | |
1350 | $ids = array_values(array_filter(preg_split('/\s+/', escape($ids)))); | |
1351 | } else { | |
1352 | // only a single id provided | |
1353 | $ids = [$ids]; | |
1354 | } | |
1355 | // assert at least one id is given | |
1356 | if(!count($ids)){ | |
1357 | die('no id provided'); | |
1358 | } | |
1359 | foreach ($ids as $id) { | |
1360 | $id = (int) escape($id); | |
1361 | $link = $LINKSDB[$id]; | |
1362 | $pluginManager->executeHooks('delete_link', $link); | |
1363 | unset($LINKSDB[$id]); | |
1364 | } | |
1365 | $LINKSDB->save($conf->get('resource.page_cache')); // save to disk | |
1366 | $history->deleteLink($link); | |
1367 | ||
1368 | // If we are called from the bookmarklet, we must close the popup: | |
1369 | if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo '<script>self.close();</script>'; exit; } | |
1370 | ||
1371 | $location = '?'; | |
1372 | if (isset($_SERVER['HTTP_REFERER'])) { | |
1373 | // Don't redirect to where we were previously if it was a permalink or an edit_link, because it would 404. | |
1374 | $location = generateLocation( | |
1375 | $_SERVER['HTTP_REFERER'], | |
1376 | $_SERVER['HTTP_HOST'], | |
1377 | ['delete_link', 'edit_link', $link['shorturl']] | |
1378 | ); | |
1379 | } | |
1380 | ||
1381 | header('Location: ' . $location); // After deleting the link, redirect to appropriate location | |
1382 | exit; | |
1383 | } | |
1384 | ||
1385 | // -------- User clicked the "EDIT" button on a link: Display link edit form. | |
1386 | if (isset($_GET['edit_link'])) | |
1387 | { | |
1388 | $id = (int) escape($_GET['edit_link']); | |
1389 | $link = $LINKSDB[$id]; // Read database | |
1390 | if (!$link) { header('Location: ?'); exit; } // Link not found in database. | |
1391 | $link['linkdate'] = $link['created']->format(LinkDB::LINK_DATE_FORMAT); | |
1392 | $data = array( | |
1393 | 'link' => $link, | |
1394 | 'link_is_new' => false, | |
1395 | 'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''), | |
1396 | 'tags' => $LINKSDB->linksCountPerTag(), | |
1397 | ); | |
1398 | $pluginManager->executeHooks('render_editlink', $data); | |
1399 | ||
1400 | foreach ($data as $key => $value) { | |
1401 | $PAGE->assign($key, $value); | |
1402 | } | |
1403 | ||
1404 | $PAGE->renderPage('editlink'); | |
1405 | exit; | |
1406 | } | |
1407 | ||
1408 | // -------- User want to post a new link: Display link edit form. | |
1409 | if (isset($_GET['post'])) { | |
1410 | $url = cleanup_url($_GET['post']); | |
1411 | ||
1412 | $link_is_new = false; | |
1413 | // Check if URL is not already in database (in this case, we will edit the existing link) | |
1414 | $link = $LINKSDB->getLinkFromUrl($url); | |
1415 | if (! $link) | |
1416 | { | |
1417 | $link_is_new = true; | |
1418 | $linkdate = strval(date(LinkDB::LINK_DATE_FORMAT)); | |
1419 | // Get title if it was provided in URL (by the bookmarklet). | |
1420 | $title = empty($_GET['title']) ? '' : escape($_GET['title']); | |
1421 | // Get description if it was provided in URL (by the bookmarklet). [Bronco added that] | |
1422 | $description = empty($_GET['description']) ? '' : escape($_GET['description']); | |
1423 | $tags = empty($_GET['tags']) ? '' : escape($_GET['tags']); | |
1424 | $private = !empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0; | |
1425 | // If this is an HTTP(S) link, we try go get the page to extract the title (otherwise we will to straight to the edit form.) | |
1426 | if (empty($title) && strpos(get_url_scheme($url), 'http') !== false) { | |
1427 | // Short timeout to keep the application responsive | |
1428 | list($headers, $content) = get_http_response($url, 4); | |
1429 | if (strpos($headers[0], '200 OK') !== false) { | |
1430 | // Retrieve charset. | |
1431 | $charset = get_charset($headers, $content); | |
1432 | // Extract title. | |
1433 | $title = html_extract_title($content); | |
1434 | // Re-encode title in utf-8 if necessary. | |
1435 | if (! empty($title) && strtolower($charset) != 'utf-8') { | |
1436 | $title = mb_convert_encoding($title, 'utf-8', $charset); | |
1437 | } | |
1438 | } | |
1439 | } | |
1440 | ||
1441 | if ($url == '') { | |
1442 | $url = '?' . smallHash($linkdate . $LINKSDB->getNextId()); | |
1443 | $title = $conf->get('general.default_note_title', t('Note: ')); | |
1444 | } | |
1445 | $url = escape($url); | |
1446 | $title = escape($title); | |
1447 | ||
1448 | $link = array( | |
1449 | 'linkdate' => $linkdate, | |
1450 | 'title' => $title, | |
1451 | 'url' => $url, | |
1452 | 'description' => $description, | |
1453 | 'tags' => $tags, | |
1454 | 'private' => $private, | |
1455 | ); | |
1456 | } else { | |
1457 | $link['linkdate'] = $link['created']->format(LinkDB::LINK_DATE_FORMAT); | |
1458 | } | |
1459 | ||
1460 | $data = array( | |
1461 | 'link' => $link, | |
1462 | 'link_is_new' => $link_is_new, | |
1463 | 'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''), | |
1464 | 'source' => (isset($_GET['source']) ? $_GET['source'] : ''), | |
1465 | 'tags' => $LINKSDB->linksCountPerTag(), | |
1466 | 'default_private_links' => $conf->get('privacy.default_private_links', false), | |
1467 | ); | |
1468 | $pluginManager->executeHooks('render_editlink', $data); | |
1469 | ||
1470 | foreach ($data as $key => $value) { | |
1471 | $PAGE->assign($key, $value); | |
1472 | } | |
1473 | ||
1474 | $PAGE->renderPage('editlink'); | |
1475 | exit; | |
1476 | } | |
1477 | ||
1478 | if ($targetPage == Router::$PAGE_EXPORT) { | |
1479 | // Export links as a Netscape Bookmarks file | |
1480 | ||
1481 | if (empty($_GET['selection'])) { | |
1482 | $PAGE->renderPage('export'); | |
1483 | exit; | |
1484 | } | |
1485 | ||
1486 | // export as bookmarks_(all|private|public)_YYYYmmdd_HHMMSS.html | |
1487 | $selection = $_GET['selection']; | |
1488 | if (isset($_GET['prepend_note_url'])) { | |
1489 | $prependNoteUrl = $_GET['prepend_note_url']; | |
1490 | } else { | |
1491 | $prependNoteUrl = false; | |
1492 | } | |
1493 | ||
1494 | try { | |
1495 | $PAGE->assign( | |
1496 | 'links', | |
1497 | NetscapeBookmarkUtils::filterAndFormat( | |
1498 | $LINKSDB, | |
1499 | $selection, | |
1500 | $prependNoteUrl, | |
1501 | index_url($_SERVER) | |
1502 | ) | |
1503 | ); | |
1504 | } catch (Exception $exc) { | |
1505 | header('Content-Type: text/plain; charset=utf-8'); | |
1506 | echo $exc->getMessage(); | |
1507 | exit; | |
1508 | } | |
1509 | $now = new DateTime(); | |
1510 | header('Content-Type: text/html; charset=utf-8'); | |
1511 | header( | |
1512 | 'Content-disposition: attachment; filename=bookmarks_' | |
1513 | .$selection.'_'.$now->format(LinkDB::LINK_DATE_FORMAT).'.html' | |
1514 | ); | |
1515 | $PAGE->assign('date', $now->format(DateTime::RFC822)); | |
1516 | $PAGE->assign('eol', PHP_EOL); | |
1517 | $PAGE->assign('selection', $selection); | |
1518 | $PAGE->renderPage('export.bookmarks'); | |
1519 | exit; | |
1520 | } | |
1521 | ||
1522 | if ($targetPage == Router::$PAGE_IMPORT) { | |
1523 | // Upload a Netscape bookmark dump to import its contents | |
1524 | ||
1525 | if (! isset($_POST['token']) || ! isset($_FILES['filetoupload'])) { | |
1526 | // Show import dialog | |
1527 | $PAGE->assign( | |
1528 | 'maxfilesize', | |
1529 | get_max_upload_size( | |
1530 | ini_get('post_max_size'), | |
1531 | ini_get('upload_max_filesize'), | |
1532 | false | |
1533 | ) | |
1534 | ); | |
1535 | $PAGE->assign( | |
1536 | 'maxfilesizeHuman', | |
1537 | get_max_upload_size( | |
1538 | ini_get('post_max_size'), | |
1539 | ini_get('upload_max_filesize'), | |
1540 | true | |
1541 | ) | |
1542 | ); | |
1543 | $PAGE->renderPage('import'); | |
1544 | exit; | |
1545 | } | |
1546 | ||
1547 | // Import bookmarks from an uploaded file | |
1548 | if (isset($_FILES['filetoupload']['size']) && $_FILES['filetoupload']['size'] == 0) { | |
1549 | // The file is too big or some form field may be missing. | |
1550 | $msg = sprintf( | |
1551 | t( | |
1552 | 'The file you are trying to upload is probably bigger than what this webserver can accept' | |
1553 | .' (%s). Please upload in smaller chunks.' | |
1554 | ), | |
1555 | get_max_upload_size(ini_get('post_max_size'), ini_get('upload_max_filesize')) | |
1556 | ); | |
1557 | echo '<script>alert("'. $msg .'");document.location=\'?do='.Router::$PAGE_IMPORT .'\';</script>'; | |
1558 | exit; | |
1559 | } | |
1560 | if (! $sessionManager->checkToken($_POST['token'])) { | |
1561 | die('Wrong token.'); | |
1562 | } | |
1563 | $status = NetscapeBookmarkUtils::import( | |
1564 | $_POST, | |
1565 | $_FILES, | |
1566 | $LINKSDB, | |
1567 | $conf, | |
1568 | $history | |
1569 | ); | |
1570 | echo '<script>alert("'.$status.'");document.location=\'?do=' | |
1571 | .Router::$PAGE_IMPORT .'\';</script>'; | |
1572 | exit; | |
1573 | } | |
1574 | ||
1575 | // Plugin administration page | |
1576 | if ($targetPage == Router::$PAGE_PLUGINSADMIN) { | |
1577 | $pluginMeta = $pluginManager->getPluginsMeta(); | |
1578 | ||
1579 | // Split plugins into 2 arrays: ordered enabled plugins and disabled. | |
1580 | $enabledPlugins = array_filter($pluginMeta, function($v) { return $v['order'] !== false; }); | |
1581 | // Load parameters. | |
1582 | $enabledPlugins = load_plugin_parameter_values($enabledPlugins, $conf->get('plugins', array())); | |
1583 | uasort( | |
1584 | $enabledPlugins, | |
1585 | function($a, $b) { return $a['order'] - $b['order']; } | |
1586 | ); | |
1587 | $disabledPlugins = array_filter($pluginMeta, function($v) { return $v['order'] === false; }); | |
1588 | ||
1589 | $PAGE->assign('enabledPlugins', $enabledPlugins); | |
1590 | $PAGE->assign('disabledPlugins', $disabledPlugins); | |
1591 | $PAGE->renderPage('pluginsadmin'); | |
1592 | exit; | |
1593 | } | |
1594 | ||
1595 | // Plugin administration form action | |
1596 | if ($targetPage == Router::$PAGE_SAVE_PLUGINSADMIN) { | |
1597 | try { | |
1598 | if (isset($_POST['parameters_form'])) { | |
1599 | unset($_POST['parameters_form']); | |
1600 | foreach ($_POST as $param => $value) { | |
1601 | $conf->set('plugins.'. $param, escape($value)); | |
1602 | } | |
1603 | } | |
1604 | else { | |
1605 | $conf->set('general.enabled_plugins', save_plugin_config($_POST)); | |
1606 | } | |
1607 | $conf->write(isLoggedIn()); | |
1608 | $history->updateSettings(); | |
1609 | } | |
1610 | catch (Exception $e) { | |
1611 | error_log( | |
1612 | 'ERROR while saving plugin configuration:.' . PHP_EOL . | |
1613 | $e->getMessage() | |
1614 | ); | |
1615 | ||
1616 | // TODO: do not handle exceptions/errors in JS. | |
1617 | echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do='. Router::$PAGE_PLUGINSADMIN .'\';</script>'; | |
1618 | exit; | |
1619 | } | |
1620 | header('Location: ?do='. Router::$PAGE_PLUGINSADMIN); | |
1621 | exit; | |
1622 | } | |
1623 | ||
1624 | // Get a fresh token | |
1625 | if ($targetPage == Router::$GET_TOKEN) { | |
1626 | header('Content-Type:text/plain'); | |
1627 | echo $sessionManager->generateToken($conf); | |
1628 | exit; | |
1629 | } | |
1630 | ||
1631 | // -------- Otherwise, simply display search form and links: | |
1632 | showLinkList($PAGE, $LINKSDB, $conf, $pluginManager); | |
1633 | exit; | |
1634 | } | |
1635 | ||
1636 | /** | |
1637 | * Template for the list of links (<div id="linklist">) | |
1638 | * This function fills all the necessary fields in the $PAGE for the template 'linklist.html' | |
1639 | * | |
1640 | * @param pageBuilder $PAGE pageBuilder instance. | |
1641 | * @param LinkDB $LINKSDB LinkDB instance. | |
1642 | * @param ConfigManager $conf Configuration Manager instance. | |
1643 | * @param PluginManager $pluginManager Plugin Manager instance. | |
1644 | */ | |
1645 | function buildLinkList($PAGE,$LINKSDB, $conf, $pluginManager) | |
1646 | { | |
1647 | // Used in templates | |
1648 | if (isset($_GET['searchtags'])) { | |
1649 | if (! empty($_GET['searchtags'])) { | |
1650 | $searchtags = escape(normalize_spaces($_GET['searchtags'])); | |
1651 | } else { | |
1652 | $searchtags = false; | |
1653 | } | |
1654 | } else { | |
1655 | $searchtags = ''; | |
1656 | } | |
1657 | $searchterm = !empty($_GET['searchterm']) ? escape(normalize_spaces($_GET['searchterm'])) : ''; | |
1658 | ||
1659 | // Smallhash filter | |
1660 | if (! empty($_SERVER['QUERY_STRING']) | |
1661 | && preg_match('/^[a-zA-Z0-9-_@]{6}($|&|#)/', $_SERVER['QUERY_STRING'])) { | |
1662 | try { | |
1663 | $linksToDisplay = $LINKSDB->filterHash($_SERVER['QUERY_STRING']); | |
1664 | } catch (LinkNotFoundException $e) { | |
1665 | $PAGE->render404($e->getMessage()); | |
1666 | exit; | |
1667 | } | |
1668 | } else { | |
1669 | // Filter links according search parameters. | |
1670 | $visibility = ! empty($_SESSION['privateonly']) ? 'private' : 'all'; | |
1671 | $request = [ | |
1672 | 'searchtags' => $searchtags, | |
1673 | 'searchterm' => $searchterm, | |
1674 | ]; | |
1675 | $linksToDisplay = $LINKSDB->filterSearch($request, false, $visibility, !empty($_SESSION['untaggedonly'])); | |
1676 | } | |
1677 | ||
1678 | // ---- Handle paging. | |
1679 | $keys = array(); | |
1680 | foreach ($linksToDisplay as $key => $value) { | |
1681 | $keys[] = $key; | |
1682 | } | |
1683 | ||
1684 | ||
1685 | ||
1686 | // Select articles according to paging. | |
1687 | $pagecount = ceil(count($keys) / $_SESSION['LINKS_PER_PAGE']); | |
1688 | $pagecount = $pagecount == 0 ? 1 : $pagecount; | |
1689 | $page= empty($_GET['page']) ? 1 : intval($_GET['page']); | |
1690 | $page = $page < 1 ? 1 : $page; | |
1691 | $page = $page > $pagecount ? $pagecount : $page; | |
1692 | // Start index. | |
1693 | $i = ($page-1) * $_SESSION['LINKS_PER_PAGE']; | |
1694 | $end = $i + $_SESSION['LINKS_PER_PAGE']; | |
1695 | $linkDisp = array(); | |
1696 | while ($i<$end && $i<count($keys)) | |
1697 | { | |
1698 | $link = $linksToDisplay[$keys[$i]]; | |
1699 | $link['description'] = format_description( | |
1700 | $link['description'], | |
1701 | $conf->get('redirector.url'), | |
1702 | $conf->get('redirector.encode_url') | |
1703 | ); | |
1704 | $classLi = ($i % 2) != 0 ? '' : 'publicLinkHightLight'; | |
1705 | $link['class'] = $link['private'] == 0 ? $classLi : 'private'; | |
1706 | $link['timestamp'] = $link['created']->getTimestamp(); | |
1707 | if (! empty($link['updated'])) { | |
1708 | $link['updated_timestamp'] = $link['updated']->getTimestamp(); | |
1709 | } else { | |
1710 | $link['updated_timestamp'] = ''; | |
1711 | } | |
1712 | $taglist = preg_split('/\s+/', $link['tags'], -1, PREG_SPLIT_NO_EMPTY); | |
1713 | uasort($taglist, 'strcasecmp'); | |
1714 | $link['taglist'] = $taglist; | |
1715 | // Check for both signs of a note: starting with ? and 7 chars long. | |
1716 | if ($link['url'][0] === '?' && | |
1717 | strlen($link['url']) === 7) { | |
1718 | $link['url'] = index_url($_SERVER) . $link['url']; | |
1719 | } | |
1720 | ||
1721 | $linkDisp[$keys[$i]] = $link; | |
1722 | $i++; | |
1723 | } | |
1724 | ||
1725 | // Compute paging navigation | |
1726 | $searchtagsUrl = $searchtags === '' ? '' : '&searchtags=' . urlencode($searchtags); | |
1727 | $searchtermUrl = empty($searchterm) ? '' : '&searchterm=' . urlencode($searchterm); | |
1728 | $previous_page_url = ''; | |
1729 | if ($i != count($keys)) { | |
1730 | $previous_page_url = '?page=' . ($page+1) . $searchtermUrl . $searchtagsUrl; | |
1731 | } | |
1732 | $next_page_url=''; | |
1733 | if ($page>1) { | |
1734 | $next_page_url = '?page=' . ($page-1) . $searchtermUrl . $searchtagsUrl; | |
1735 | } | |
1736 | ||
1737 | // Fill all template fields. | |
1738 | $data = array( | |
1739 | 'previous_page_url' => $previous_page_url, | |
1740 | 'next_page_url' => $next_page_url, | |
1741 | 'page_current' => $page, | |
1742 | 'page_max' => $pagecount, | |
1743 | 'result_count' => count($linksToDisplay), | |
1744 | 'search_term' => $searchterm, | |
1745 | 'search_tags' => $searchtags, | |
1746 | 'visibility' => ! empty($_SESSION['privateonly']) ? 'private' : '', | |
1747 | 'redirector' => $conf->get('redirector.url'), // Optional redirector URL. | |
1748 | 'links' => $linkDisp, | |
1749 | ); | |
1750 | ||
1751 | // If there is only a single link, we change on-the-fly the title of the page. | |
1752 | if (count($linksToDisplay) == 1) { | |
1753 | $data['pagetitle'] = $linksToDisplay[$keys[0]]['title'] .' - '. $conf->get('general.title'); | |
1754 | } | |
1755 | ||
1756 | $pluginManager->executeHooks('render_linklist', $data, array('loggedin' => isLoggedIn())); | |
1757 | ||
1758 | foreach ($data as $key => $value) { | |
1759 | $PAGE->assign($key, $value); | |
1760 | } | |
1761 | ||
1762 | return; | |
1763 | } | |
1764 | ||
1765 | /** | |
1766 | * Compute the thumbnail for a link. | |
1767 | * | |
1768 | * With a link to the original URL. | |
1769 | * Understands various services (youtube.com...) | |
1770 | * Input: $url = URL for which the thumbnail must be found. | |
1771 | * $href = if provided, this URL will be followed instead of $url | |
1772 | * Returns an associative array with thumbnail attributes (src,href,width,height,style,alt) | |
1773 | * Some of them may be missing. | |
1774 | * Return an empty array if no thumbnail available. | |
1775 | * | |
1776 | * @param ConfigManager $conf Configuration Manager instance. | |
1777 | * @param string $url | |
1778 | * @param string|bool $href | |
1779 | * | |
1780 | * @return array | |
1781 | */ | |
1782 | function computeThumbnail($conf, $url, $href = false) | |
1783 | { | |
1784 | if (!$conf->get('thumbnail.enable_thumbnails')) return array(); | |
1785 | if ($href==false) $href=$url; | |
1786 | ||
1787 | // For most hosts, the URL of the thumbnail can be easily deduced from the URL of the link. | |
1788 | // (e.g. http://www.youtube.com/watch?v=spVypYk4kto ---> http://img.youtube.com/vi/spVypYk4kto/default.jpg ) | |
1789 | // ^^^^^^^^^^^ ^^^^^^^^^^^ | |
1790 | $domain = parse_url($url,PHP_URL_HOST); | |
1791 | if ($domain=='youtube.com' || $domain=='www.youtube.com') | |
1792 | { | |
1793 | parse_str(parse_url($url,PHP_URL_QUERY), $params); // Extract video ID and get thumbnail | |
1794 | if (!empty($params['v'])) return array('src'=>'https://img.youtube.com/vi/'.$params['v'].'/default.jpg', | |
1795 | 'href'=>$href,'width'=>'120','height'=>'90','alt'=>'YouTube thumbnail'); | |
1796 | } | |
1797 | if ($domain=='youtu.be') // Youtube short links | |
1798 | { | |
1799 | $path = parse_url($url,PHP_URL_PATH); | |
1800 | return array('src'=>'https://img.youtube.com/vi'.$path.'/default.jpg', | |
1801 | 'href'=>$href,'width'=>'120','height'=>'90','alt'=>'YouTube thumbnail'); | |
1802 | } | |
1803 | if ($domain=='pix.toile-libre.org') // pix.toile-libre.org image hosting | |
1804 | { | |
1805 | parse_str(parse_url($url,PHP_URL_QUERY), $params); // Extract image filename. | |
1806 | if (!empty($params) && !empty($params['img'])) return array('src'=>'http://pix.toile-libre.org/upload/thumb/'.urlencode($params['img']), | |
1807 | 'href'=>$href,'style'=>'max-width:120px; max-height:150px','alt'=>'pix.toile-libre.org thumbnail'); | |
1808 | } | |
1809 | ||
1810 | if ($domain=='imgur.com') | |
1811 | { | |
1812 | $path = parse_url($url,PHP_URL_PATH); | |
1813 | if (startsWith($path,'/a/')) return array(); // Thumbnails for albums are not available. | |
1814 | if (startsWith($path,'/r/')) return array('src'=>'https://i.imgur.com/'.basename($path).'s.jpg', | |
1815 | 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail'); | |
1816 | if (startsWith($path,'/gallery/')) return array('src'=>'https://i.imgur.com'.substr($path,8).'s.jpg', | |
1817 | 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail'); | |
1818 | ||
1819 | if (substr_count($path,'/')==1) return array('src'=>'https://i.imgur.com/'.substr($path,1).'s.jpg', | |
1820 | 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail'); | |
1821 | } | |
1822 | if ($domain=='i.imgur.com') | |
1823 | { | |
1824 | $pi = pathinfo(parse_url($url,PHP_URL_PATH)); | |
1825 | if (!empty($pi['filename'])) return array('src'=>'https://i.imgur.com/'.$pi['filename'].'s.jpg', | |
1826 | 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail'); | |
1827 | } | |
1828 | if ($domain=='dailymotion.com' || $domain=='www.dailymotion.com') | |
1829 | { | |
1830 | if (strpos($url,'dailymotion.com/video/')!==false) | |
1831 | { | |
1832 | $thumburl=str_replace('dailymotion.com/video/','dailymotion.com/thumbnail/video/',$url); | |
1833 | return array('src'=>$thumburl, | |
1834 | 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'DailyMotion thumbnail'); | |
1835 | } | |
1836 | } | |
1837 | if (endsWith($domain,'.imageshack.us')) | |
1838 | { | |
1839 | $ext=strtolower(pathinfo($url,PATHINFO_EXTENSION)); | |
1840 | if ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif') | |
1841 | { | |
1842 | $thumburl = substr($url,0,strlen($url)-strlen($ext)).'th.'.$ext; | |
1843 | return array('src'=>$thumburl, | |
1844 | 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'imageshack.us thumbnail'); | |
1845 | } | |
1846 | } | |
1847 | ||
1848 | // Some other hosts are SLOW AS HELL and usually require an extra HTTP request to get the thumbnail URL. | |
1849 | // So we deport the thumbnail generation in order not to slow down page generation | |
1850 | // (and we also cache the thumbnail) | |
1851 | ||
1852 | if (! $conf->get('thumbnail.enable_localcache')) return array(); // If local cache is disabled, no thumbnails for services which require the use a local cache. | |
1853 | ||
1854 | if ($domain=='flickr.com' || endsWith($domain,'.flickr.com') | |
1855 | || $domain=='vimeo.com' | |
1856 | || $domain=='ted.com' || endsWith($domain,'.ted.com') | |
1857 | || $domain=='xkcd.com' || endsWith($domain,'.xkcd.com') | |
1858 | ) | |
1859 | { | |
1860 | if ($domain=='vimeo.com') | |
1861 | { // Make sure this vimeo URL points to a video (/xxx... where xxx is numeric) | |
1862 | $path = parse_url($url,PHP_URL_PATH); | |
1863 | if (!preg_match('!/\d+.+?!',$path)) return array(); // This is not a single video URL. | |
1864 | } | |
1865 | if ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com')) | |
1866 | { // Make sure this URL points to a single comic (/xxx... where xxx is numeric) | |
1867 | $path = parse_url($url,PHP_URL_PATH); | |
1868 | if (!preg_match('!/\d+.+?!',$path)) return array(); | |
1869 | } | |
1870 | if ($domain=='ted.com' || endsWith($domain,'.ted.com')) | |
1871 | { // Make sure this TED URL points to a video (/talks/...) | |
1872 | $path = parse_url($url,PHP_URL_PATH); | |
1873 | if ("/talks/" !== substr($path,0,7)) return array(); // This is not a single video URL. | |
1874 | } | |
1875 | $sign = hash_hmac('sha256', $url, $conf->get('credentials.salt')); // We use the salt to sign data (it's random, secret, and specific to each installation) | |
1876 | return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url), | |
1877 | 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail'); | |
1878 | } | |
1879 | ||
1880 | // For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif | |
1881 | // Technically speaking, we should download ALL links and check their Content-Type to see if they are images. | |
1882 | // But using the extension will do. | |
1883 | $ext=strtolower(pathinfo($url,PATHINFO_EXTENSION)); | |
1884 | if ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif') | |
1885 | { | |
1886 | $sign = hash_hmac('sha256', $url, $conf->get('credentials.salt')); // We use the salt to sign data (it's random, secret, and specific to each installation) | |
1887 | return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url), | |
1888 | 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail'); | |
1889 | } | |
1890 | return array(); // No thumbnail. | |
1891 | ||
1892 | } | |
1893 | ||
1894 | ||
1895 | // Returns the HTML code to display a thumbnail for a link | |
1896 | // with a link to the original URL. | |
1897 | // Understands various services (youtube.com...) | |
1898 | // Input: $url = URL for which the thumbnail must be found. | |
1899 | // $href = if provided, this URL will be followed instead of $url | |
1900 | // Returns '' if no thumbnail available. | |
1901 | function thumbnail($url,$href=false) | |
1902 | { | |
1903 | // FIXME! | |
1904 | global $conf; | |
1905 | $t = computeThumbnail($conf, $url,$href); | |
1906 | if (count($t)==0) return ''; // Empty array = no thumbnail for this URL. | |
1907 | ||
1908 | $html='<a href="'.escape($t['href']).'"><img src="'.escape($t['src']).'"'; | |
1909 | if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"'; | |
1910 | if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"'; | |
1911 | if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"'; | |
1912 | if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"'; | |
1913 | $html.='></a>'; | |
1914 | return $html; | |
1915 | } | |
1916 | ||
1917 | // Returns the HTML code to display a thumbnail for a link | |
1918 | // for the picture wall (using lazy image loading) | |
1919 | // Understands various services (youtube.com...) | |
1920 | // Input: $url = URL for which the thumbnail must be found. | |
1921 | // $href = if provided, this URL will be followed instead of $url | |
1922 | // Returns '' if no thumbnail available. | |
1923 | function lazyThumbnail($conf, $url,$href=false) | |
1924 | { | |
1925 | // FIXME! | |
1926 | global $conf; | |
1927 | $t = computeThumbnail($conf, $url,$href); | |
1928 | if (count($t)==0) return ''; // Empty array = no thumbnail for this URL. | |
1929 | ||
1930 | $html='<a href="'.escape($t['href']).'">'; | |
1931 | ||
1932 | // Lazy image | |
1933 | $html.='<img class="b-lazy" src="#" data-src="'.escape($t['src']).'"'; | |
1934 | ||
1935 | if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"'; | |
1936 | if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"'; | |
1937 | if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"'; | |
1938 | if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"'; | |
1939 | $html.='>'; | |
1940 | ||
1941 | // No-JavaScript fallback. | |
1942 | $html.='<noscript><img src="'.escape($t['src']).'"'; | |
1943 | if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"'; | |
1944 | if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"'; | |
1945 | if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"'; | |
1946 | if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"'; | |
1947 | $html.='></noscript></a>'; | |
1948 | ||
1949 | return $html; | |
1950 | } | |
1951 | ||
1952 | ||
1953 | /** | |
1954 | * Installation | |
1955 | * This function should NEVER be called if the file data/config.php exists. | |
1956 | * | |
1957 | * @param ConfigManager $conf Configuration Manager instance. | |
1958 | * @param SessionManager $sessionManager SessionManager instance | |
1959 | */ | |
1960 | function install($conf, $sessionManager) { | |
1961 | // On free.fr host, make sure the /sessions directory exists, otherwise login will not work. | |
1962 | if (endsWith($_SERVER['HTTP_HOST'],'.free.fr') && !is_dir($_SERVER['DOCUMENT_ROOT'].'/sessions')) mkdir($_SERVER['DOCUMENT_ROOT'].'/sessions',0705); | |
1963 | ||
1964 | ||
1965 | // This part makes sure sessions works correctly. | |
1966 | // (Because on some hosts, session.save_path may not be set correctly, | |
1967 | // or we may not have write access to it.) | |
1968 | if (isset($_GET['test_session']) && ( !isset($_SESSION) || !isset($_SESSION['session_tested']) || $_SESSION['session_tested']!='Working')) | |
1969 | { | |
1970 | // Step 2: Check if data in session is correct. | |
1971 | $msg = t( | |
1972 | '<pre>Sessions do not seem to work correctly on your server.<br>'. | |
1973 | 'Make sure the variable "session.save_path" is set correctly in your PHP config, '. | |
1974 | 'and that you have write access to it.<br>'. | |
1975 | 'It currently points to %s.<br>'. | |
1976 | 'On some browsers, accessing your server via a hostname like \'localhost\' '. | |
1977 | 'or any custom hostname without a dot causes cookie storage to fail. '. | |
1978 | 'We recommend accessing your server via it\'s IP address or Fully Qualified Domain Name.<br>' | |
1979 | ); | |
1980 | $msg = sprintf($msg, session_save_path()); | |
1981 | echo $msg; | |
1982 | echo '<br><a href="?">'. t('Click to try again.') .'</a></pre>'; | |
1983 | die; | |
1984 | } | |
1985 | if (!isset($_SESSION['session_tested'])) | |
1986 | { // Step 1 : Try to store data in session and reload page. | |
1987 | $_SESSION['session_tested'] = 'Working'; // Try to set a variable in session. | |
1988 | header('Location: '.index_url($_SERVER).'?test_session'); // Redirect to check stored data. | |
1989 | } | |
1990 | if (isset($_GET['test_session'])) | |
1991 | { // Step 3: Sessions are OK. Remove test parameter from URL. | |
1992 | header('Location: '.index_url($_SERVER)); | |
1993 | } | |
1994 | ||
1995 | ||
1996 | if (!empty($_POST['setlogin']) && !empty($_POST['setpassword'])) | |
1997 | { | |
1998 | $tz = 'UTC'; | |
1999 | if (!empty($_POST['continent']) && !empty($_POST['city']) | |
2000 | && isTimeZoneValid($_POST['continent'], $_POST['city']) | |
2001 | ) { | |
2002 | $tz = $_POST['continent'].'/'.$_POST['city']; | |
2003 | } | |
2004 | $conf->set('general.timezone', $tz); | |
2005 | $login = $_POST['setlogin']; | |
2006 | $conf->set('credentials.login', $login); | |
2007 | $salt = sha1(uniqid('', true) .'_'. mt_rand()); | |
2008 | $conf->set('credentials.salt', $salt); | |
2009 | $conf->set('credentials.hash', sha1($_POST['setpassword'] . $login . $salt)); | |
2010 | if (!empty($_POST['title'])) { | |
2011 | $conf->set('general.title', escape($_POST['title'])); | |
2012 | } else { | |
2013 | $conf->set('general.title', 'Shared links on '.escape(index_url($_SERVER))); | |
2014 | } | |
2015 | $conf->set('translation.language', escape($_POST['language'])); | |
2016 | $conf->set('updates.check_updates', !empty($_POST['updateCheck'])); | |
2017 | $conf->set('api.enabled', !empty($_POST['enableApi'])); | |
2018 | $conf->set( | |
2019 | 'api.secret', | |
2020 | generate_api_secret( | |
2021 | $conf->get('credentials.login'), | |
2022 | $conf->get('credentials.salt') | |
2023 | ) | |
2024 | ); | |
2025 | try { | |
2026 | // Everything is ok, let's create config file. | |
2027 | $conf->write(isLoggedIn()); | |
2028 | } | |
2029 | catch(Exception $e) { | |
2030 | error_log( | |
2031 | 'ERROR while writing config file after installation.' . PHP_EOL . | |
2032 | $e->getMessage() | |
2033 | ); | |
2034 | ||
2035 | // TODO: do not handle exceptions/errors in JS. | |
2036 | echo '<script>alert("'. $e->getMessage() .'");document.location=\'?\';</script>'; | |
2037 | exit; | |
2038 | } | |
2039 | echo '<script>alert("Shaarli is now configured. Please enter your login/password and start shaaring your links!");document.location=\'?do=login\';</script>'; | |
2040 | exit; | |
2041 | } | |
2042 | ||
2043 | $PAGE = new PageBuilder($conf, null, $sessionManager->generateToken()); | |
2044 | list($continents, $cities) = generateTimeZoneData(timezone_identifiers_list(), date_default_timezone_get()); | |
2045 | $PAGE->assign('continents', $continents); | |
2046 | $PAGE->assign('cities', $cities); | |
2047 | $PAGE->assign('languages', Languages::getAvailableLanguages()); | |
2048 | $PAGE->renderPage('install'); | |
2049 | exit; | |
2050 | } | |
2051 | ||
2052 | /** | |
2053 | * Because some f*cking services like flickr require an extra HTTP request to get the thumbnail URL, | |
2054 | * I have deported the thumbnail URL code generation here, otherwise this would slow down page generation. | |
2055 | * The following function takes the URL a link (e.g. a flickr page) and return the proper thumbnail. | |
2056 | * This function is called by passing the URL: | |
2057 | * http://mywebsite.com/shaarli/?do=genthumbnail&hmac=[HMAC]&url=[URL] | |
2058 | * [URL] is the URL of the link (e.g. a flickr page) | |
2059 | * [HMAC] is the signature for the [URL] (so that these URL cannot be forged). | |
2060 | * The function below will fetch the image from the webservice and store it in the cache. | |
2061 | * | |
2062 | * @param ConfigManager $conf Configuration Manager instance, | |
2063 | */ | |
2064 | function genThumbnail($conf) | |
2065 | { | |
2066 | // Make sure the parameters in the URL were generated by us. | |
2067 | $sign = hash_hmac('sha256', $_GET['url'], $conf->get('credentials.salt')); | |
2068 | if ($sign!=$_GET['hmac']) die('Naughty boy!'); | |
2069 | ||
2070 | $cacheDir = $conf->get('resource.thumbnails_cache', 'cache'); | |
2071 | // Let's see if we don't already have the image for this URL in the cache. | |
2072 | $thumbname=hash('sha1',$_GET['url']).'.jpg'; | |
2073 | if (is_file($cacheDir .'/'. $thumbname)) | |
2074 | { // We have the thumbnail, just serve it: | |
2075 | header('Content-Type: image/jpeg'); | |
2076 | echo file_get_contents($cacheDir .'/'. $thumbname); | |
2077 | return; | |
2078 | } | |
2079 | // We may also serve a blank image (if service did not respond) | |
2080 | $blankname=hash('sha1',$_GET['url']).'.gif'; | |
2081 | if (is_file($cacheDir .'/'. $blankname)) | |
2082 | { | |
2083 | header('Content-Type: image/gif'); | |
2084 | echo file_get_contents($cacheDir .'/'. $blankname); | |
2085 | return; | |
2086 | } | |
2087 | ||
2088 | // Otherwise, generate the thumbnail. | |
2089 | $url = $_GET['url']; | |
2090 | $domain = parse_url($url,PHP_URL_HOST); | |
2091 | ||
2092 | if ($domain=='flickr.com' || endsWith($domain,'.flickr.com')) | |
2093 | { | |
2094 | // Crude replacement to handle new flickr domain policy (They prefer www. now) | |
2095 | $url = str_replace('http://flickr.com/','http://www.flickr.com/',$url); | |
2096 | ||
2097 | // Is this a link to an image, or to a flickr page ? | |
2098 | $imageurl=''; | |
2099 | if (endsWith(parse_url($url, PHP_URL_PATH), '.jpg')) | |
2100 | { // This is a direct link to an image. e.g. http://farm1.staticflickr.com/5/5921913_ac83ed27bd_o.jpg | |
2101 | preg_match('!(http://farm\d+\.staticflickr\.com/\d+/\d+_\w+_)\w.jpg!',$url,$matches); | |
2102 | if (!empty($matches[1])) $imageurl=$matches[1].'m.jpg'; | |
2103 | } | |
2104 | else // This is a flickr page (html) | |
2105 | { | |
2106 | // Get the flickr html page. | |
2107 | list($headers, $content) = get_http_response($url, 20); | |
2108 | if (strpos($headers[0], '200 OK') !== false) | |
2109 | { | |
2110 | // flickr now nicely provides the URL of the thumbnail in each flickr page. | |
2111 | preg_match('!<link rel=\"image_src\" href=\"(.+?)\"!', $content, $matches); | |
2112 | if (!empty($matches[1])) $imageurl=$matches[1]; | |
2113 | ||
2114 | // In albums (and some other pages), the link rel="image_src" is not provided, | |
2115 | // but flickr provides: | |
2116 | // <meta property="og:image" content="http://farm4.staticflickr.com/3398/3239339068_25d13535ff_z.jpg" /> | |
2117 | if ($imageurl=='') | |
2118 | { | |
2119 | preg_match('!<meta property=\"og:image\" content=\"(.+?)\"!', $content, $matches); | |
2120 | if (!empty($matches[1])) $imageurl=$matches[1]; | |
2121 | } | |
2122 | } | |
2123 | } | |
2124 | ||
2125 | if ($imageurl!='') | |
2126 | { // Let's download the image. | |
2127 | // Image is 240x120, so 10 seconds to download should be enough. | |
2128 | list($headers, $content) = get_http_response($imageurl, 10); | |
2129 | if (strpos($headers[0], '200 OK') !== false) { | |
2130 | // Save image to cache. | |
2131 | file_put_contents($cacheDir .'/'. $thumbname, $content); | |
2132 | header('Content-Type: image/jpeg'); | |
2133 | echo $content; | |
2134 | return; | |
2135 | } | |
2136 | } | |
2137 | } | |
2138 | ||
2139 | elseif ($domain=='vimeo.com' ) | |
2140 | { | |
2141 | // This is more complex: we have to perform a HTTP request, then parse the result. | |
2142 | // Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098 | |
2143 | $vid = substr(parse_url($url,PHP_URL_PATH),1); | |
2144 | list($headers, $content) = get_http_response('https://vimeo.com/api/v2/video/'.escape($vid).'.php', 5); | |
2145 | if (strpos($headers[0], '200 OK') !== false) { | |
2146 | $t = unserialize($content); | |
2147 | $imageurl = $t[0]['thumbnail_medium']; | |
2148 | // Then we download the image and serve it to our client. | |
2149 | list($headers, $content) = get_http_response($imageurl, 10); | |
2150 | if (strpos($headers[0], '200 OK') !== false) { | |
2151 | // Save image to cache. | |
2152 | file_put_contents($cacheDir .'/'. $thumbname, $content); | |
2153 | header('Content-Type: image/jpeg'); | |
2154 | echo $content; | |
2155 | return; | |
2156 | } | |
2157 | } | |
2158 | } | |
2159 | ||
2160 | elseif ($domain=='ted.com' || endsWith($domain,'.ted.com')) | |
2161 | { | |
2162 | // The thumbnail for TED talks is located in the <link rel="image_src" [...]> tag on that page | |
2163 | // http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html | |
2164 | // <link rel="image_src" href="http://images.ted.com/images/ted/28bced335898ba54d4441809c5b1112ffaf36781_389x292.jpg" /> | |
2165 | list($headers, $content) = get_http_response($url, 5); | |
2166 | if (strpos($headers[0], '200 OK') !== false) { | |
2167 | // Extract the link to the thumbnail | |
2168 | preg_match('!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!', $content, $matches); | |
2169 | if (!empty($matches[1])) | |
2170 | { // Let's download the image. | |
2171 | $imageurl=$matches[1]; | |
2172 | // No control on image size, so wait long enough | |
2173 | list($headers, $content) = get_http_response($imageurl, 20); | |
2174 | if (strpos($headers[0], '200 OK') !== false) { | |
2175 | $filepath = $cacheDir .'/'. $thumbname; | |
2176 | file_put_contents($filepath, $content); // Save image to cache. | |
2177 | if (resizeImage($filepath)) | |
2178 | { | |
2179 | header('Content-Type: image/jpeg'); | |
2180 | echo file_get_contents($filepath); | |
2181 | return; | |
2182 | } | |
2183 | } | |
2184 | } | |
2185 | } | |
2186 | } | |
2187 | ||
2188 | elseif ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com')) | |
2189 | { | |
2190 | // There is no thumbnail available for xkcd comics, so download the whole image and resize it. | |
2191 | // http://xkcd.com/327/ | |
2192 | // <img src="http://imgs.xkcd.com/comics/exploits_of_a_mom.png" title="<BLABLA>" alt="<BLABLA>" /> | |
2193 | list($headers, $content) = get_http_response($url, 5); | |
2194 | if (strpos($headers[0], '200 OK') !== false) { | |
2195 | // Extract the link to the thumbnail | |
2196 | preg_match('!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!', $content, $matches); | |
2197 | if (!empty($matches[1])) | |
2198 | { // Let's download the image. | |
2199 | $imageurl=$matches[1]; | |
2200 | // No control on image size, so wait long enough | |
2201 | list($headers, $content) = get_http_response($imageurl, 20); | |
2202 | if (strpos($headers[0], '200 OK') !== false) { | |
2203 | $filepath = $cacheDir.'/'.$thumbname; | |
2204 | // Save image to cache. | |
2205 | file_put_contents($filepath, $content); | |
2206 | if (resizeImage($filepath)) | |
2207 | { | |
2208 | header('Content-Type: image/jpeg'); | |
2209 | echo file_get_contents($filepath); | |
2210 | return; | |
2211 | } | |
2212 | } | |
2213 | } | |
2214 | } | |
2215 | } | |
2216 | ||
2217 | else | |
2218 | { | |
2219 | // For all other domains, we try to download the image and make a thumbnail. | |
2220 | // We allow 30 seconds max to download (and downloads are limited to 4 Mb) | |
2221 | list($headers, $content) = get_http_response($url, 30); | |
2222 | if (strpos($headers[0], '200 OK') !== false) { | |
2223 | $filepath = $cacheDir .'/'.$thumbname; | |
2224 | // Save image to cache. | |
2225 | file_put_contents($filepath, $content); | |
2226 | if (resizeImage($filepath)) | |
2227 | { | |
2228 | header('Content-Type: image/jpeg'); | |
2229 | echo file_get_contents($filepath); | |
2230 | return; | |
2231 | } | |
2232 | } | |
2233 | } | |
2234 | ||
2235 | ||
2236 | // Otherwise, return an empty image (8x8 transparent gif) | |
2237 | $blankgif = base64_decode('R0lGODlhCAAIAIAAAP///////yH5BAEKAAEALAAAAAAIAAgAAAIHjI+py+1dAAA7'); | |
2238 | // Also put something in cache so that this URL is not requested twice. | |
2239 | file_put_contents($cacheDir .'/'. $blankname, $blankgif); | |
2240 | header('Content-Type: image/gif'); | |
2241 | echo $blankgif; | |
2242 | } | |
2243 | ||
2244 | // Make a thumbnail of the image (to width: 120 pixels) | |
2245 | // Returns true if success, false otherwise. | |
2246 | function resizeImage($filepath) | |
2247 | { | |
2248 | if (!function_exists('imagecreatefromjpeg')) return false; // GD not present: no thumbnail possible. | |
2249 | ||
2250 | // Trick: some stupid people rename GIF as JPEG... or else. | |
2251 | // So we really try to open each image type whatever the extension is. | |
2252 | $header=file_get_contents($filepath,false,NULL,0,256); // Read first 256 bytes and try to sniff file type. | |
2253 | $im=false; | |
2254 | $i=strpos($header,'GIF8'); if (($i!==false) && ($i==0)) $im = imagecreatefromgif($filepath); // Well this is crude, but it should be enough. | |
2255 | $i=strpos($header,'PNG'); if (($i!==false) && ($i==1)) $im = imagecreatefrompng($filepath); | |
2256 | $i=strpos($header,'JFIF'); if ($i!==false) $im = imagecreatefromjpeg($filepath); | |
2257 | if (!$im) return false; // Unable to open image (corrupted or not an image) | |
2258 | $w = imagesx($im); | |
2259 | $h = imagesy($im); | |
2260 | $ystart = 0; $yheight=$h; | |
2261 | if ($h>$w) { $ystart= ($h/2)-($w/2); $yheight=$w/2; } | |
2262 | $nw = 120; // Desired width | |
2263 | $nh = min(floor(($h*$nw)/$w),120); // Compute new width/height, but maximum 120 pixels height. | |
2264 | // Resize image: | |
2265 | $im2 = imagecreatetruecolor($nw,$nh); | |
2266 | imagecopyresampled($im2, $im, 0, 0, 0, $ystart, $nw, $nh, $w, $yheight); | |
2267 | imageinterlace($im2,true); // For progressive JPEG. | |
2268 | $tempname=$filepath.'_TEMP.jpg'; | |
2269 | imagejpeg($im2, $tempname, 90); | |
2270 | imagedestroy($im); | |
2271 | imagedestroy($im2); | |
2272 | unlink($filepath); | |
2273 | rename($tempname,$filepath); // Overwrite original picture with thumbnail. | |
2274 | return true; | |
2275 | } | |
2276 | ||
2277 | if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=genthumbnail')) { genThumbnail($conf); exit; } // Thumbnail generation/cache does not need the link database. | |
2278 | if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=dailyrss')) { showDailyRSS($conf); exit; } | |
2279 | if (!isset($_SESSION['LINKS_PER_PAGE'])) { | |
2280 | $_SESSION['LINKS_PER_PAGE'] = $conf->get('general.links_per_page', 20); | |
2281 | } | |
2282 | ||
2283 | try { | |
2284 | $history = new History($conf->get('resource.history')); | |
2285 | } catch(Exception $e) { | |
2286 | die($e->getMessage()); | |
2287 | } | |
2288 | ||
2289 | $linkDb = new LinkDB( | |
2290 | $conf->get('resource.datastore'), | |
2291 | isLoggedIn(), | |
2292 | $conf->get('privacy.hide_public_links'), | |
2293 | $conf->get('redirector.url'), | |
2294 | $conf->get('redirector.encode_url') | |
2295 | ); | |
2296 | ||
2297 | $container = new \Slim\Container(); | |
2298 | $container['conf'] = $conf; | |
2299 | $container['plugins'] = $pluginManager; | |
2300 | $container['history'] = $history; | |
2301 | $app = new \Slim\App($container); | |
2302 | ||
2303 | // REST API routes | |
2304 | $app->group('/api/v1', function() { | |
2305 | $this->get('/info', '\Shaarli\Api\Controllers\Info:getInfo')->setName('getInfo'); | |
2306 | $this->get('/links', '\Shaarli\Api\Controllers\Links:getLinks')->setName('getLinks'); | |
2307 | $this->get('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:getLink')->setName('getLink'); | |
2308 | $this->post('/links', '\Shaarli\Api\Controllers\Links:postLink')->setName('postLink'); | |
2309 | $this->put('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:putLink')->setName('putLink'); | |
2310 | $this->delete('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:deleteLink')->setName('deleteLink'); | |
2311 | $this->get('/history', '\Shaarli\Api\Controllers\History:getHistory')->setName('getHistory'); | |
2312 | })->add('\Shaarli\Api\ApiMiddleware'); | |
2313 | ||
2314 | $response = $app->run(true); | |
2315 | // Hack to make Slim and Shaarli router work together: | |
2316 | // If a Slim route isn't found and NOT API call, we call renderPage(). | |
2317 | if ($response->getStatusCode() == 404 && strpos($_SERVER['REQUEST_URI'], '/api/v1') === false) { | |
2318 | // We use UTF-8 for proper international characters handling. | |
2319 | header('Content-Type: text/html; charset=utf-8'); | |
2320 | renderPage($conf, $pluginManager, $linkDb, $history, $sessionManager); | |
2321 | } else { | |
2322 | $app->respond($response); | |
2323 | } |