3 * Shaarli - The personal, minimalist, super-fast, database free, bookmarking service.
5 * Friendly fork by the Shaarli community:
6 * - https://github.com/shaarli/Shaarli
8 * Original project by sebsauvage.net:
9 * - http://sebsauvage.net/wiki/doku.php?id=php:shaarli
10 * - https://github.com/sebsauvage/Shaarli
12 * Licence: http://www.opensource.org/licenses/zlib-license.php
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');
27 // http://server.com/x/shaarli --> /shaarli/
28 define('WEB_PATH', substr($_SERVER['REQUEST_URI'], 0, 1+
strrpos($_SERVER['REQUEST_URI'], '/', 0)));
30 // High execution time in case of problematic imports/exports.
31 ini_set('max_input_time','60');
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');
38 // See all error except warnings
39 error_reporting(E_ALL^E_WARNING
);
40 // See all errors (for debugging only)
41 //error_reporting(-1);
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/";
55 require_once 'inc/rain.tpl.class.php';
56 require_once __DIR__
. '/vendor/autoload.php';
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\LoginManager
;
82 use \Shaarli\SessionManager
;
84 // Ensure the PHP version is supported
86 ApplicationUtils
::checkPHPVersion('5.5', PHP_VERSION
);
87 } catch(Exception
$exc) {
88 header('Content-Type: text/plain; charset=utf-8');
89 echo $exc->getMessage();
93 define('SHAARLI_VERSION', ApplicationUtils
::getVersion(__DIR__
.'/'. ApplicationUtils
::$VERSION_FILE));
95 // Force cookie path (but do not change lifetime)
96 $cookie = session_get_cookie_params();
98 if (dirname($_SERVER['SCRIPT_NAME']) != '/') {
99 $cookiedir = dirname($_SERVER["SCRIPT_NAME"]).'/';
101 // Set default cookie expiration and path.
102 session_set_cookie_params($cookie['lifetime'], $cookiedir, $_SERVER['SERVER_NAME']);
103 // Set session parameters on server side.
104 // If the user does not access any page within this time, his/her session is considered expired.
105 define('INACTIVITY_TIMEOUT', 3600); // in seconds.
106 // Use cookies to store session.
107 ini_set('session.use_cookies', 1);
108 // Force cookies for session (phpsessionID forbidden in URL).
109 ini_set('session.use_only_cookies', 1);
110 // Prevent PHP form using sessionID in URL if cookies are disabled.
111 ini_set('session.use_trans_sid', false);
113 session_name('shaarli');
114 // Start session if needed (Some server auto-start sessions).
115 if (session_id() == '') {
119 // Regenerate session ID if invalid or not defined in cookie.
120 if (isset($_COOKIE['shaarli']) && !SessionManager
::checkId($_COOKIE['shaarli'])) {
121 session_regenerate_id(true);
122 $_COOKIE['shaarli'] = session_id();
125 $conf = new ConfigManager();
126 $loginManager = new LoginManager($GLOBALS, $conf);
127 $sessionManager = new SessionManager($_SESSION, $conf);
129 // LC_MESSAGES isn't defined without php-intl, in this case use LC_COLLATE locale instead.
130 if (! defined('LC_MESSAGES')) {
131 define('LC_MESSAGES', LC_COLLATE
);
134 // Sniff browser language and set date format accordingly.
135 if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
136 autoLocale($_SERVER['HTTP_ACCEPT_LANGUAGE']);
139 new Languages(setlocale(LC_MESSAGES
, 0), $conf);
141 $conf->setEmpty('general.timezone', date_default_timezone_get());
142 $conf->setEmpty('general.title', t('Shared links on '). escape(index_url($_SERVER)));
143 RainTPL
::$tpl_dir = $conf->get('resource.raintpl_tpl').'/'.$conf->get('resource.theme').'/'; // template directory
144 RainTPL
::$cache_dir = $conf->get('resource.raintpl_tmp'); // cache directory
146 $pluginManager = new PluginManager($conf);
147 $pluginManager->load($conf->get('general.enabled_plugins'));
149 date_default_timezone_set($conf->get('general.timezone', 'UTC'));
151 ob_start(); // Output buffering for the page cache.
153 // Prevent caching on client side or proxy: (yes, it's ugly)
154 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
155 header("Cache-Control: no-store, no-cache, must-revalidate");
156 header("Cache-Control: post-check=0, pre-check=0", false);
157 header("Pragma: no-cache");
159 if (! is_file($conf->getConfigFileExt())) {
160 // Ensure Shaarli has proper access to its resources
161 $errors = ApplicationUtils
::checkResourcePermissions($conf);
163 if ($errors != array()) {
164 $message = '<p>'. t('Insufficient permissions:') .'</p><ul>';
166 foreach ($errors as $error) {
167 $message .= '<li>'.$error.'</li>';
171 header('Content-Type: text/html; charset=utf-8');
176 // Display the installation form if no existing config is found
177 install($conf, $sessionManager);
180 // a token depending of deployment salt, user password, and the current ip
181 define('STAY_SIGNED_IN_TOKEN', sha1($conf->get('credentials.hash') . $_SERVER['REMOTE_ADDR'] . $conf->get('credentials.salt')));
184 * Checking session state (i.e. is the user still logged in)
186 * @param ConfigManager $conf The configuration manager.
188 * @return bool: true if the user is logged in, false otherwise.
190 function setup_login_state($conf)
192 if ($conf->get('security.open_shaarli')) {
195 $userIsLoggedIn = false; // By default, we do not consider the user as logged in;
196 $loginFailure = false; // If set to true, every attempt to authenticate the user will fail. This indicates that an important condition isn't met.
197 if (! $conf->exists('credentials.login')) {
198 $userIsLoggedIn = false; // Shaarli is not configured yet.
199 $loginFailure = true;
201 if (isset($_COOKIE['shaarli_staySignedIn']) &&
202 $_COOKIE['shaarli_staySignedIn']===STAY_SIGNED_IN_TOKEN
&&
205 fillSessionInfo($conf);
206 $userIsLoggedIn = true;
208 // If session does not exist on server side, or IP address has changed, or session has expired, logout.
209 if (empty($_SESSION['uid'])
210 || ($conf->get('security.session_protection_disabled') === false && $_SESSION['ip'] != allIPs())
211 || time() >= $_SESSION['expires_on'])
214 $userIsLoggedIn = false;
215 $loginFailure = true;
217 if (!empty($_SESSION['longlastingsession'])) {
218 $_SESSION['expires_on']=time()+
$_SESSION['longlastingsession']; // In case of "Stay signed in" checked.
221 $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT
; // Standard session expiration date.
223 if (!$loginFailure) {
224 $userIsLoggedIn = true;
227 return $userIsLoggedIn;
229 $userIsLoggedIn = setup_login_state($conf);
231 // ------------------------------------------------------------------------------------------
232 // Session management
234 // Returns the IP address of the client (Used to prevent session cookie hijacking.)
237 $ip = $_SERVER['REMOTE_ADDR'];
238 // Then we use more HTTP headers to prevent session hijacking from users behind the same proxy.
239 if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $ip
=$ip
.'_'.$_SERVER
['HTTP_X_FORWARDED_FOR']; }
240 if (isset($_SERVER['HTTP_CLIENT_IP'])) { $ip
=$ip
.'_'.$_SERVER
['HTTP_CLIENT_IP']; }
247 * @param ConfigManager $conf Configuration Manager instance.
249 function fillSessionInfo($conf)
251 $_SESSION['uid'] = sha1(uniqid('',true).'_'.mt_rand()); // Generate unique random number (different than phpsessionid)
252 $_SESSION['ip']=allIPs(); // We store IP address(es) of the client to make sure session is not hijacked.
253 $_SESSION['username']= $conf->get('credentials.login');
254 $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT
; // Set session expiration.
258 * Check that user/password is correct.
260 * @param string $login Username
261 * @param string $password User password
262 * @param ConfigManager $conf Configuration Manager instance.
264 * @return bool: authentication successful or not.
266 function check_auth($login, $password, $conf)
268 $hash = sha1($password . $login . $conf->get('credentials.salt'));
269 if ($login == $conf->get('credentials.login') && $hash == $conf->get('credentials.hash'))
270 { // Login/password is correct.
271 fillSessionInfo($conf);
272 logm($conf->get('resource.log'), $_SERVER['REMOTE_ADDR'], 'Login successful');
275 logm($conf->get('resource.log'), $_SERVER['REMOTE_ADDR'], 'Login failed for user '.$login);
279 // Returns true if the user is logged in.
280 function isLoggedIn()
282 global $userIsLoggedIn;
283 return $userIsLoggedIn;
288 if (isset($_SESSION)) {
289 unset($_SESSION['uid']);
290 unset($_SESSION['ip']);
291 unset($_SESSION['username']);
292 unset($_SESSION['visibility']);
293 unset($_SESSION['untaggedonly']);
295 setcookie('shaarli_staySignedIn', FALSE, 0, WEB_PATH
);
298 // ------------------------------------------------------------------------------------------
299 // Process login form: Check if login/password is correct.
300 if (isset($_POST['login']))
302 if (! $loginManager->canLogin($_SERVER)) {
303 die(t('I said: NO. You are banned for the moment. Go away.'));
305 if (isset($_POST['password'])
306 && $sessionManager->checkToken($_POST['token'])
307 && (check_auth($_POST['login'], $_POST['password'], $conf))
309 // Login/password is OK.
310 $loginManager->handleSuccessfulLogin($_SERVER);
312 // If user wants to keep the session cookie even after the browser closes:
313 if (!empty($_POST['longlastingsession'])) {
314 $_SESSION['longlastingsession'] = 31536000; // (31536000 seconds = 1 year)
315 $expiration = time() +
$_SESSION['longlastingsession']; // calculate relative cookie expiration (1 year from now)
316 setcookie('shaarli_staySignedIn', STAY_SIGNED_IN_TOKEN
, $expiration, WEB_PATH
);
317 $_SESSION['expires_on'] = $expiration; // Set session expiration on server-side.
319 $cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/';
320 session_set_cookie_params($_SESSION['longlastingsession'],$cookiedir,$_SERVER['SERVER_NAME']); // Set session cookie expiration on client side
321 // Note: Never forget the trailing slash on the cookie path!
322 session_regenerate_id(true); // Send cookie with new expiration date to browser.
324 else // Standard session expiration (=when browser closes)
326 $cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/';
327 session_set_cookie_params(0,$cookiedir,$_SERVER['SERVER_NAME']); // 0 means "When browser closes"
328 session_regenerate_id(true);
331 // Optional redirect after login:
332 if (isset($_GET['post'])) {
333 $uri = '?post='. urlencode($_GET['post']);
334 foreach (array('description', 'source', 'title', 'tags') as $param) {
335 if (!empty($_GET[$param])) {
336 $uri .= '&'.$param.'='.urlencode($_GET[$param]);
339 header('Location: '. $uri);
343 if (isset($_GET['edit_link'])) {
344 header('Location: ?edit_link='. escape($_GET['edit_link']));
348 if (isset($_POST['returnurl'])) {
349 // Prevent loops over login screen.
350 if (strpos($_POST['returnurl'], 'do=login') === false) {
351 header('Location: '. generateLocation($_POST['returnurl'], $_SERVER['HTTP_HOST']));
355 header('Location: ?'); exit;
357 $loginManager->handleFailedLogin($_SERVER);
358 $redir = '&username='. urlencode($_POST['login']);
359 if (isset($_GET['post'])) {
360 $redir .= '&post=' . urlencode($_GET['post']);
361 foreach (array('description', 'source', 'title', 'tags') as $param) {
362 if (!empty($_GET[$param])) {
363 $redir .= '&' . $param . '=' . urlencode($_GET[$param]);
367 // Redirect to login screen.
368 echo '<script>alert("'. t("Wrong login/password.") .'");document.location=\'?do=login'.$redir.'\';</script>';
373 // ------------------------------------------------------------------------------------------
374 // Token management for XSRF protection
375 // Token should be used in any form which acts on data (create,update,delete,import...).
376 if (!isset($_SESSION['tokens'])) $_SESSION['tokens']=array(); // Token are attached to the session.
379 * Daily RSS feed: 1 RSS entry per day giving all the links on that day.
380 * Gives the last 7 days (which have links).
381 * This RSS feed cannot be filtered.
383 * @param ConfigManager $conf Configuration Manager instance.
385 function showDailyRSS($conf) {
387 $query = $_SERVER['QUERY_STRING'];
388 $cache = new CachedPage(
389 $conf->get('config.PAGE_CACHE'),
391 startsWith($query,'do=dailyrss') && !isLoggedIn()
393 $cached = $cache->cachedVersion();
394 if (!empty($cached)) {
399 // If cached was not found (or not usable), then read the database and build the response:
400 // Read links from database (and filter private links if used it not logged in).
401 $LINKSDB = new LinkDB(
402 $conf->get('resource.datastore'),
404 $conf->get('privacy.hide_public_links'),
405 $conf->get('redirector.url'),
406 $conf->get('redirector.encode_url')
409 /* Some Shaarlies may have very few links, so we need to look
410 back in time until we have enough days ($nb_of_days).
412 $nb_of_days = 7; // We take 7 days.
413 $today = date('Ymd');
416 foreach ($LINKSDB as $link) {
417 $day = $link['created']->format('Ymd'); // Extract day (without time)
418 if (strcmp($day, $today) < 0) {
419 if (empty($days[$day])) {
420 $days[$day] = array();
422 $days[$day][] = $link;
425 if (count($days) > $nb_of_days) {
426 break; // Have we collected enough days?
430 // Build the RSS feed.
431 header('Content-Type: application/rss+xml; charset=utf-8');
432 $pageaddr = escape(index_url($_SERVER));
433 echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">';
435 echo '<title>Daily - '. $conf->get('general.title') . '</title>';
436 echo '<link>'. $pageaddr .'</link>';
437 echo '<description>Daily shared links</description>';
438 echo '<language>en-en</language>';
439 echo '<copyright>'. $pageaddr .'</copyright>'. PHP_EOL
;
442 foreach ($days as $day => $links) {
443 $dayDate = DateTime
::createFromFormat(LinkDB
::LINK_DATE_FORMAT
, $day.'_000000');
444 $absurl = escape(index_url($_SERVER).'?do=daily&day='.$day); // Absolute URL of the corresponding "Daily" page.
446 // We pre-format some fields for proper output.
447 foreach ($links as &$link) {
448 $link['formatedDescription'] = format_description(
449 $link['description'],
450 $conf->get('redirector.url'),
451 $conf->get('redirector.encode_url')
453 $link['thumbnail'] = thumbnail($conf, $link['url']);
454 $link['timestamp'] = $link['created']->getTimestamp();
455 if (startsWith($link['url'], '?')) {
456 $link['url'] = index_url($_SERVER) . $link['url']; // make permalink URL absolute
460 // Then build the HTML for this day:
462 $tpl->assign('title', $conf->get('general.title'));
463 $tpl->assign('daydate', $dayDate->getTimestamp());
464 $tpl->assign('absurl', $absurl);
465 $tpl->assign('links', $links);
466 $tpl->assign('rssdate', escape($dayDate->format(DateTime
::RSS
)));
467 $tpl->assign('hide_timestamps', $conf->get('privacy.hide_timestamps', false));
468 $html = $tpl->draw('dailyrss', true);
470 echo $html . PHP_EOL
;
472 echo '</channel></rss><!-- Cached version of '. escape(page_url($_SERVER)) .' -->';
474 $cache->cache(ob_get_contents());
480 * Show the 'Daily' page.
482 * @param PageBuilder $pageBuilder Template engine wrapper.
483 * @param LinkDB $LINKSDB LinkDB instance.
484 * @param ConfigManager $conf Configuration Manager instance.
485 * @param PluginManager $pluginManager Plugin Manager instane.
487 function showDaily($pageBuilder, $LINKSDB, $conf, $pluginManager)
489 $day = date('Ymd', strtotime('-1 day')); // Yesterday, in format YYYYMMDD.
490 if (isset($_GET['day'])) {
494 $days = $LINKSDB->days();
495 $i = array_search($day, $days);
496 if ($i === false && count($days)) {
497 // no links for day, but at least one day with links
498 $i = count($days) - 1;
506 $previousday=$days[$i - 1];
508 if ($i < count($days) - 1) {
509 $nextday = $days[$i +
1];
513 $linksToDisplay = $LINKSDB->filterDay($day);
514 } catch (Exception
$exc) {
516 $linksToDisplay = array();
519 // We pre-format some fields for proper output.
520 foreach($linksToDisplay as $key => $link) {
521 $taglist = explode(' ',$link['tags']);
522 uasort($taglist, 'strcasecmp');
523 $linksToDisplay[$key]['taglist']=$taglist;
524 $linksToDisplay[$key]['formatedDescription'] = format_description(
525 $link['description'],
526 $conf->get('redirector.url'),
527 $conf->get('redirector.encode_url')
529 $linksToDisplay[$key]['thumbnail'] = thumbnail($conf, $link['url']);
530 $linksToDisplay[$key]['timestamp'] = $link['created']->getTimestamp();
533 $dayDate = DateTime
::createFromFormat(LinkDB
::LINK_DATE_FORMAT
, $day.'_000000');
535 'pagetitle' => $conf->get('general.title') .' - '. format_date($dayDate, false),
536 'linksToDisplay' => $linksToDisplay,
537 'day' => $dayDate->getTimestamp(),
538 'dayDate' => $dayDate,
539 'previousday' => $previousday,
540 'nextday' => $nextday,
543 /* Hook is called before column construction so that plugins don't have
544 to deal with columns. */
545 $pluginManager->executeHooks('render_daily', $data, array('loggedin' => isLoggedIn()));
547 /* We need to spread the articles on 3 columns.
548 I did not want to use a JavaScript lib like http://masonry.desandro.com/
549 so I manually spread entries with a simple method: I roughly evaluate the
550 height of a div according to title and description length.
552 $columns = array(array(), array(), array()); // Entries to display, for each column.
553 $fill = array(0, 0, 0); // Rough estimate of columns fill.
554 foreach($data['linksToDisplay'] as $key => $link) {
555 // Roughly estimate length of entry (by counting characters)
556 // Title: 30 chars = 1 line. 1 line is 30 pixels height.
557 // Description: 836 characters gives roughly 342 pixel height.
558 // This is not perfect, but it's usually OK.
559 $length = strlen($link['title']) +
(342 * strlen($link['description'])) / 836;
560 if ($link['thumbnail']) {
561 $length +
= 100; // 1 thumbnails roughly takes 100 pixels height.
563 // Then put in column which is the less filled:
564 $smallest = min($fill); // find smallest value in array.
565 $index = array_search($smallest, $fill); // find index of this smallest value.
566 array_push($columns[$index], $link); // Put entry in this column.
567 $fill[$index] +
= $length;
570 $data['cols'] = $columns;
572 foreach ($data as $key => $value) {
573 $pageBuilder->assign($key, $value);
576 $pageBuilder->assign('pagetitle', t('Daily') .' - '. $conf->get('general.title', 'Shaarli'));
577 $pageBuilder->renderPage('daily');
582 * Renders the linklist
584 * @param pageBuilder $PAGE pageBuilder instance.
585 * @param LinkDB $LINKSDB LinkDB instance.
586 * @param ConfigManager $conf Configuration Manager instance.
587 * @param PluginManager $pluginManager Plugin Manager instance.
589 function showLinkList($PAGE, $LINKSDB, $conf, $pluginManager) {
590 buildLinkList($PAGE,$LINKSDB, $conf, $pluginManager); // Compute list of links to display
591 $PAGE->renderPage('linklist');
595 * Render HTML page (according to URL parameters and user rights)
597 * @param ConfigManager $conf Configuration Manager instance.
598 * @param PluginManager $pluginManager Plugin Manager instance,
599 * @param LinkDB $LINKSDB
600 * @param History $history instance
601 * @param SessionManager $sessionManager SessionManager instance
602 * @param LoginManager $loginManager LoginManager instance
604 function renderPage($conf, $pluginManager, $LINKSDB, $history, $sessionManager, $loginManager)
606 $updater = new Updater(
607 read_updates_file($conf->get('resource.updates')),
613 $newUpdates = $updater->update();
614 if (! empty($newUpdates)) {
616 $conf->get('resource.updates'),
617 $updater->getDoneUpdates()
621 catch(Exception
$e) {
622 die($e->getMessage());
625 $PAGE = new PageBuilder($conf, $LINKSDB, $sessionManager->generateToken());
626 $PAGE->assign('linkcount', count($LINKSDB));
627 $PAGE->assign('privateLinkcount', count_private($LINKSDB));
628 $PAGE->assign('plugin_errors', $pluginManager->getErrors());
630 // Determine which page will be rendered.
631 $query = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : '';
632 $targetPage = Router
::findPage($query, $_GET, isLoggedIn());
635 // if the user isn't logged in
637 // and Shaarli doesn't have public content...
638 $conf->get('privacy.hide_public_links') &&
639 // and is configured to enforce the login
640 $conf->get('privacy.force_login') &&
641 // and the current page isn't already the login page
642 $targetPage !== Router
::$PAGE_LOGIN &&
643 // and the user is not requesting a feed (which would lead to a different content-type as expected)
644 $targetPage !== Router
::$PAGE_FEED_ATOM &&
645 $targetPage !== Router
::$PAGE_FEED_RSS
647 // force current page to be the login page
648 $targetPage = Router
::$PAGE_LOGIN;
651 // Call plugin hooks for header, footer and includes, specifying which page will be rendered.
652 // Then assign generated data to RainTPL.
653 $common_hooks = array(
659 foreach($common_hooks as $name) {
660 $plugin_data = array();
661 $pluginManager->executeHooks('render_' . $name, $plugin_data,
663 'target' => $targetPage,
664 'loggedin' => isLoggedIn()
667 $PAGE->assign('plugins_' . $name, $plugin_data);
670 // -------- Display login form.
671 if ($targetPage == Router
::$PAGE_LOGIN)
673 if ($conf->get('security.open_shaarli')) { header('Location: ?'); exit; } // No need to login for open Shaarli
674 if (isset($_GET['username'])) {
675 $PAGE->assign('username', escape($_GET['username']));
677 $PAGE->assign('returnurl',(isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']):''));
678 // add default state of the 'remember me' checkbox
679 $PAGE->assign('remember_user_default', $conf->get('privacy.remember_user_default'));
680 $PAGE->assign('user_can_login', $loginManager->canLogin($_SERVER));
681 $PAGE->assign('pagetitle', t('Login') .' - '. $conf->get('general.title', 'Shaarli'));
682 $PAGE->renderPage('loginform');
685 // -------- User wants to logout.
686 if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=logout'))
688 invalidateCaches($conf->get('resource.page_cache'));
690 header('Location: ?');
694 // -------- Picture wall
695 if ($targetPage == Router
::$PAGE_PICWALL)
697 // Optionally filter the results:
698 $links = $LINKSDB->filterSearch($_GET);
699 $linksToDisplay = array();
701 // Get only links which have a thumbnail.
702 foreach($links as $link)
704 $permalink='?'.$link['shorturl'];
705 $thumb=lazyThumbnail($conf, $link['url'],$permalink);
706 if ($thumb!='') // Only output links which have a thumbnail.
708 $link['thumbnail']=$thumb; // Thumbnail HTML code.
709 $linksToDisplay[]=$link; // Add to array.
714 'linksToDisplay' => $linksToDisplay,
716 $pluginManager->executeHooks('render_picwall', $data, array('loggedin' => isLoggedIn()));
718 foreach ($data as $key => $value) {
719 $PAGE->assign($key, $value);
722 $PAGE->assign('pagetitle', t('Picture wall') .' - '. $conf->get('general.title', 'Shaarli'));
723 $PAGE->renderPage('picwall');
727 // -------- Tag cloud
728 if ($targetPage == Router
::$PAGE_TAGCLOUD)
730 $visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
731 $filteringTags = isset($_GET['searchtags']) ? explode(' ', $_GET['searchtags']) : [];
732 $tags = $LINKSDB->linksCountPerTag($filteringTags, $visibility);
734 // We sort tags alphabetically, then choose a font size according to count.
735 // First, find max value.
737 foreach ($tags as $value) {
738 $maxcount = max($maxcount, $value);
741 alphabetical_sort($tags, false, true);
744 foreach($tags as $key => $value) {
745 if (in_array($key, $filteringTags)) {
748 // Tag font size scaling:
749 // default 15 and 30 logarithm bases affect scaling,
750 // 22 and 6 are arbitrary font sizes for max and min sizes.
751 $size = log($value, 15) / log($maxcount, 30) * 2.2 +
0.8;
752 $tagList[$key] = array(
754 'size' => number_format($size, 2, '.', ''),
758 $searchTags = implode(' ', escape($filteringTags));
760 'search_tags' => $searchTags,
763 $pluginManager->executeHooks('render_tagcloud', $data, array('loggedin' => isLoggedIn()));
765 foreach ($data as $key => $value) {
766 $PAGE->assign($key, $value);
769 $searchTags = ! empty($searchTags) ? $searchTags .' - ' : '';
770 $PAGE->assign('pagetitle', $searchTags. t('Tag cloud') .' - '. $conf->get('general.title', 'Shaarli'));
771 $PAGE->renderPage('tag.cloud');
776 if ($targetPage == Router
::$PAGE_TAGLIST)
778 $visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
779 $filteringTags = isset($_GET['searchtags']) ? explode(' ', $_GET['searchtags']) : [];
780 $tags = $LINKSDB->linksCountPerTag($filteringTags, $visibility);
781 foreach ($filteringTags as $tag) {
782 if (array_key_exists($tag, $tags)) {
787 if (! empty($_GET['sort']) && $_GET['sort'] === 'alpha') {
788 alphabetical_sort($tags, false, true);
791 $searchTags = implode(' ', escape($filteringTags));
793 'search_tags' => $searchTags,
796 $pluginManager->executeHooks('render_taglist', $data, ['loggedin' => isLoggedIn()]);
798 foreach ($data as $key => $value) {
799 $PAGE->assign($key, $value);
802 $searchTags = ! empty($searchTags) ? $searchTags .' - ' : '';
803 $PAGE->assign('pagetitle', $searchTags . t('Tag list') .' - '. $conf->get('general.title', 'Shaarli'));
804 $PAGE->renderPage('tag.list');
809 if ($targetPage == Router
::$PAGE_DAILY) {
810 showDaily($PAGE, $LINKSDB, $conf, $pluginManager);
813 // ATOM and RSS feed.
814 if ($targetPage == Router
::$PAGE_FEED_ATOM || $targetPage == Router
::$PAGE_FEED_RSS) {
815 $feedType = $targetPage == Router
::$PAGE_FEED_RSS ? FeedBuilder
::$FEED_RSS : FeedBuilder
::$FEED_ATOM;
816 header('Content-Type: application/'. $feedType .'+xml; charset=utf-8');
819 $query = $_SERVER['QUERY_STRING'];
820 $cache = new CachedPage(
821 $conf->get('resource.page_cache'),
823 startsWith($query,'do='. $targetPage) && !isLoggedIn()
825 $cached = $cache->cachedVersion();
826 if (!empty($cached)) {
832 $feedGenerator = new FeedBuilder($LINKSDB, $feedType, $_SERVER, $_GET, isLoggedIn());
833 $feedGenerator->setLocale(strtolower(setlocale(LC_COLLATE
, 0)));
834 $feedGenerator->setHideDates($conf->get('privacy.hide_timestamps') && !isLoggedIn());
835 $feedGenerator->setUsePermalinks(isset($_GET['permalinks']) || !$conf->get('feed.rss_permalinks'));
836 $data = $feedGenerator->buildData();
838 // Process plugin hook.
839 $pluginManager->executeHooks('render_feed', $data, array(
840 'loggedin' => isLoggedIn(),
841 'target' => $targetPage,
844 // Render the template.
845 $PAGE->assignAll($data);
846 $PAGE->renderPage('feed.'. $feedType);
847 $cache->cache(ob_get_contents());
852 // Display opensearch plugin (XML)
853 if ($targetPage == Router
::$PAGE_OPENSEARCH) {
854 header('Content-Type: application/xml; charset=utf-8');
855 $PAGE->assign('serverurl', index_url($_SERVER));
856 $PAGE->renderPage('opensearch');
860 // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...)
861 if (isset($_GET['addtag']))
863 // Get previous URL (http_referer) and add the tag to the searchtags parameters in query.
864 if (empty($_SERVER['HTTP_REFERER'])) { header('Location: ?searchtags='.urlencode($_GET
['addtag'])); exit; } // In case browser does not send HTTP_REFERER
865 parse_str(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_QUERY
), $params);
867 // Prevent redirection loop
868 if (isset($params['addtag'])) {
869 unset($params['addtag']);
872 // Check if this tag is already in the search query and ignore it if it is.
873 // Each tag is always separated by a space
874 if (isset($params['searchtags'])) {
875 $current_tags = explode(' ', $params['searchtags']);
877 $current_tags = array();
880 foreach ($current_tags as $value) {
881 if ($value === $_GET['addtag']) {
886 // Append the tag if necessary
887 if (empty($params['searchtags'])) {
888 $params['searchtags'] = trim($_GET['addtag']);
891 $params['searchtags'] = trim($params['searchtags']).' '.trim($_GET['addtag']);
894 unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different)
895 header('Location: ?'.http_build_query($params));
899 // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...)
900 if (isset($_GET['removetag'])) {
901 // Get previous URL (http_referer) and remove the tag from the searchtags parameters in query.
902 if (empty($_SERVER['HTTP_REFERER'])) {
903 header('Location: ?');
907 // In case browser does not send HTTP_REFERER
908 parse_str(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_QUERY
), $params);
910 // Prevent redirection loop
911 if (isset($params['removetag'])) {
912 unset($params['removetag']);
915 if (isset($params['searchtags'])) {
916 $tags = explode(' ', $params['searchtags']);
917 // Remove value from array $tags.
918 $tags = array_diff($tags, array($_GET['removetag']));
919 $params['searchtags'] = implode(' ',$tags);
921 if (empty($params['searchtags'])) {
922 unset($params['searchtags']);
925 unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different)
927 header('Location: ?'.http_build_query($params));
931 // -------- User wants to change the number of links per page (linksperpage=...)
932 if (isset($_GET['linksperpage'])) {
933 if (is_numeric($_GET['linksperpage'])) {
934 $_SESSION['LINKS_PER_PAGE']=abs(intval($_GET['linksperpage']));
937 if (! empty($_SERVER['HTTP_REFERER'])) {
938 $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('linksperpage'));
942 header('Location: '. $location);
946 // -------- User wants to see only private links (toggle)
947 if (isset($_GET['visibility'])) {
948 if ($_GET['visibility'] === 'private') {
949 // Visibility not set or not already private, set private, otherwise reset it
950 if (empty($_SESSION['visibility']) || $_SESSION['visibility'] !== 'private') {
951 // See only private links
952 $_SESSION['visibility'] = 'private';
954 unset($_SESSION['visibility']);
956 } else if ($_GET['visibility'] === 'public') {
957 if (empty($_SESSION['visibility']) || $_SESSION['visibility'] !== 'public') {
958 // See only public links
959 $_SESSION['visibility'] = 'public';
961 unset($_SESSION['visibility']);
965 if (! empty($_SERVER['HTTP_REFERER'])) {
966 $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('visibility'));
970 header('Location: '. $location);
974 // -------- User wants to see only untagged links (toggle)
975 if (isset($_GET['untaggedonly'])) {
976 $_SESSION['untaggedonly'] = empty($_SESSION['untaggedonly']);
978 if (! empty($_SERVER['HTTP_REFERER'])) {
979 $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('untaggedonly'));
983 header('Location: '. $location);
987 // -------- Handle other actions allowed for non-logged in users:
990 // User tries to post new link but is not logged in:
991 // Show login screen, then redirect to ?post=...
992 if (isset($_GET['post']))
994 header( // Redirect to login page, then back to post link.
995 'Location: ?do=login&post='.urlencode($_GET['post']).
996 (!empty($_GET['title'])?'&title='.urlencode($_GET['title']):'').
997 (!empty($_GET['description'])?'&description='.urlencode($_GET['description']):'').
998 (!empty($_GET['tags'])?'&tags='.urlencode($_GET['tags']):'').
999 (!empty($_GET['source'])?'&source='.urlencode($_GET['source']):'')
1004 showLinkList($PAGE, $LINKSDB, $conf, $pluginManager);
1005 if (isset($_GET['edit_link'])) {
1006 header('Location: ?do=login&edit_link='. escape($_GET['edit_link']));
1010 exit; // Never remove this one! All operations below are reserved for logged in user.
1013 // -------- All other functions are reserved for the registered user:
1015 // -------- Display the Tools menu if requested (import/export/bookmarklet...)
1016 if ($targetPage == Router
::$PAGE_TOOLS)
1019 'pageabsaddr' => index_url($_SERVER),
1020 'sslenabled' => is_https($_SERVER),
1022 $pluginManager->executeHooks('render_tools', $data);
1024 foreach ($data as $key => $value) {
1025 $PAGE->assign($key, $value);
1028 $PAGE->assign('pagetitle', t('Tools') .' - '. $conf->get('general.title', 'Shaarli'));
1029 $PAGE->renderPage('tools');
1033 // -------- User wants to change his/her password.
1034 if ($targetPage == Router
::$PAGE_CHANGEPASSWORD)
1036 if ($conf->get('security.open_shaarli')) {
1037 die(t('You are not supposed to change a password on an Open Shaarli.'));
1040 if (!empty($_POST['setpassword']) && !empty($_POST['oldpassword']))
1042 if (!$sessionManager->checkToken($_POST['token'])) die(t('Wrong token.')); // Go away!
1044 // Make sure old password is correct.
1045 $oldhash = sha1($_POST['oldpassword'].$conf->get('credentials.login').$conf->get('credentials.salt'));
1046 if ($oldhash!= $conf->get('credentials.hash')) {
1047 echo '<script>alert("'. t('The old password is not correct.') .'");document.location=\'?do=changepasswd\';</script>';
1050 // Save new password
1051 // Salt renders rainbow-tables attacks useless.
1052 $conf->set('credentials.salt', sha1(uniqid('', true) .'_'. mt_rand()));
1053 $conf->set('credentials.hash', sha1($_POST['setpassword'] . $conf->get('credentials.login') . $conf->get('credentials.salt')));
1055 $conf->write(isLoggedIn());
1057 catch(Exception
$e) {
1059 'ERROR while writing config file after changing password.' . PHP_EOL
.
1063 // TODO: do not handle exceptions/errors in JS.
1064 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=tools\';</script>';
1067 echo '<script>alert("'. t('Your password has been changed') .'");document.location=\'?do=tools\';</script>';
1070 else // show the change password form.
1072 $PAGE->assign('pagetitle', t('Change password') .' - '. $conf->get('general.title', 'Shaarli'));
1073 $PAGE->renderPage('changepassword');
1078 // -------- User wants to change configuration
1079 if ($targetPage == Router
::$PAGE_CONFIGURE)
1081 if (!empty($_POST['title']) )
1083 if (!$sessionManager->checkToken($_POST['token'])) {
1084 die(t('Wrong token.')); // Go away!
1087 if (!empty($_POST['continent']) && !empty($_POST['city'])
1088 && isTimeZoneValid($_POST['continent'], $_POST['city'])
1090 $tz = $_POST['continent'] . '/' . $_POST['city'];
1092 $conf->set('general.timezone', $tz);
1093 $conf->set('general.title', escape($_POST['title']));
1094 $conf->set('general.header_link', escape($_POST['titleLink']));
1095 $conf->set('resource.theme', escape($_POST['theme']));
1096 $conf->set('redirector.url', escape($_POST['redirector']));
1097 $conf->set('security.session_protection_disabled', !empty($_POST['disablesessionprotection']));
1098 $conf->set('privacy.default_private_links', !empty($_POST['privateLinkByDefault']));
1099 $conf->set('feed.rss_permalinks', !empty($_POST['enableRssPermalinks']));
1100 $conf->set('updates.check_updates', !empty($_POST['updateCheck']));
1101 $conf->set('privacy.hide_public_links', !empty($_POST['hidePublicLinks']));
1102 $conf->set('api.enabled', !empty($_POST['enableApi']));
1103 $conf->set('api.secret', escape($_POST['apiSecret']));
1104 $conf->set('translation.language', escape($_POST['language']));
1107 $conf->write(isLoggedIn());
1108 $history->updateSettings();
1109 invalidateCaches($conf->get('resource.page_cache'));
1111 catch(Exception
$e) {
1113 'ERROR while writing config file after configuration update.' . PHP_EOL
.
1117 // TODO: do not handle exceptions/errors in JS.
1118 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=configure\';</script>';
1121 echo '<script>alert("'. t('Configuration was saved.') .'");document.location=\'?do=configure\';</script>';
1124 else // Show the configuration form.
1126 $PAGE->assign('title', $conf->get('general.title'));
1127 $PAGE->assign('theme', $conf->get('resource.theme'));
1128 $PAGE->assign('theme_available', ThemeUtils
::getThemes($conf->get('resource.raintpl_tpl')));
1129 $PAGE->assign('redirector', $conf->get('redirector.url'));
1130 list($continents, $cities) = generateTimeZoneData(
1131 timezone_identifiers_list(),
1132 $conf->get('general.timezone')
1134 $PAGE->assign('continents', $continents);
1135 $PAGE->assign('cities', $cities);
1136 $PAGE->assign('private_links_default', $conf->get('privacy.default_private_links', false));
1137 $PAGE->assign('session_protection_disabled', $conf->get('security.session_protection_disabled', false));
1138 $PAGE->assign('enable_rss_permalinks', $conf->get('feed.rss_permalinks', false));
1139 $PAGE->assign('enable_update_check', $conf->get('updates.check_updates', true));
1140 $PAGE->assign('hide_public_links', $conf->get('privacy.hide_public_links', false));
1141 $PAGE->assign('api_enabled', $conf->get('api.enabled', true));
1142 $PAGE->assign('api_secret', $conf->get('api.secret'));
1143 $PAGE->assign('languages', Languages
::getAvailableLanguages());
1144 $PAGE->assign('language', $conf->get('translation.language'));
1145 $PAGE->assign('pagetitle', t('Configure') .' - '. $conf->get('general.title', 'Shaarli'));
1146 $PAGE->renderPage('configure');
1151 // -------- User wants to rename a tag or delete it
1152 if ($targetPage == Router
::$PAGE_CHANGETAG)
1154 if (empty($_POST['fromtag']) || (empty($_POST['totag']) && isset($_POST['renametag']))) {
1155 $PAGE->assign('fromtag', ! empty($_GET['fromtag']) ? escape($_GET['fromtag']) : '');
1156 $PAGE->assign('pagetitle', t('Manage tags') .' - '. $conf->get('general.title', 'Shaarli'));
1157 $PAGE->renderPage('changetag');
1161 if (!$sessionManager->checkToken($_POST['token'])) {
1162 die(t('Wrong token.'));
1165 $alteredLinks = $LINKSDB->renameTag(escape($_POST['fromtag']), escape($_POST['totag']));
1166 $LINKSDB->save($conf->get('resource.page_cache'));
1167 foreach ($alteredLinks as $link) {
1168 $history->updateLink($link);
1170 $delete = empty($_POST['totag']);
1171 $redirect = $delete ? 'do=changetag' : 'searchtags='. urlencode(escape($_POST['totag']));
1172 $count = count($alteredLinks);
1174 ? sprintf(t('The tag was removed from %d link.', 'The tag was removed from %d links.', $count), $count)
1175 : sprintf(t('The tag was renamed in %d link.', 'The tag was renamed in %d links.', $count), $count);
1176 echo '<script>alert("'. $alert .'");document.location=\'?'. $redirect .'\';</script>';
1180 // -------- User wants to add a link without using the bookmarklet: Show form.
1181 if ($targetPage == Router
::$PAGE_ADDLINK)
1183 $PAGE->assign('pagetitle', t('Shaare a new link') .' - '. $conf->get('general.title', 'Shaarli'));
1184 $PAGE->renderPage('addlink');
1188 // -------- User clicked the "Save" button when editing a link: Save link to database.
1189 if (isset($_POST['save_edit']))
1192 if (! $sessionManager->checkToken($_POST['token'])) {
1193 die(t('Wrong token.'));
1196 // lf_id should only be present if the link exists.
1197 $id = isset($_POST['lf_id']) ? intval(escape($_POST['lf_id'])) : $LINKSDB->getNextId();
1198 // Linkdate is kept here to:
1199 // - use the same permalink for notes as they're displayed when creating them
1200 // - let users hack creation date of their posts
1201 // See: https://shaarli.readthedocs.io/en/master/Various-hacks/#changing-the-timestamp-for-a-shaare
1202 $linkdate = escape($_POST['lf_linkdate']);
1203 if (isset($LINKSDB[$id])) {
1205 $created = DateTime
::createFromFormat(LinkDB
::LINK_DATE_FORMAT
, $linkdate);
1206 $updated = new DateTime();
1207 $shortUrl = $LINKSDB[$id]['shorturl'];
1211 $created = DateTime
::createFromFormat(LinkDB
::LINK_DATE_FORMAT
, $linkdate);
1213 $shortUrl = link_small_hash($created, $id);
1217 // Remove multiple spaces.
1218 $tags = trim(preg_replace('/\s\s+/', ' ', $_POST['lf_tags']));
1219 // Remove first '-' char in tags.
1220 $tags = preg_replace('/(^| )\-/', '$1', $tags);
1221 // Remove duplicates.
1222 $tags = implode(' ', array_unique(explode(' ', $tags)));
1224 if (empty(trim($_POST['lf_url
']))) {
1225 $_POST['lf_url
'] = '?' . smallHash($linkdate . $id);
1227 $url = whitelist_protocols(trim($_POST['lf_url
']), $conf->get('security
.allowed_protocols
'));
1231 'title
' => trim($_POST['lf_title
']),
1233 'description
' => $_POST['lf_description
'],
1234 'private' => (isset($_POST['lf_private
']) ? 1 : 0),
1235 'created
' => $created,
1236 'updated
' => $updated,
1237 'tags
' => str_replace(',', ' ', $tags),
1238 'shorturl
' => $shortUrl,
1241 // If title is empty, use the URL as title.
1242 if ($link['title
'] == '') {
1243 $link['title
'] = $link['url
'];
1246 $pluginManager->executeHooks('save_link
', $link);
1248 $LINKSDB[$id] = $link;
1249 $LINKSDB->save($conf->get('resource.page_cache
'));
1251 $history->addLink($link);
1253 $history->updateLink($link);
1256 // If we are called from the bookmarklet, we must close the popup:
1257 if (isset($_GET['source
']) && ($_GET['source
']=='bookmarklet
' || $_GET['source
']=='firefoxsocialapi
')) {
1258 echo '<script
>self
.close();</script
>';
1262 $returnurl = !empty($_POST['returnurl
']) ? $_POST['returnurl
'] : '?';
1263 $location = generateLocation($returnurl, $_SERVER['HTTP_HOST
'], array('addlink
', 'post
', 'edit_link
'));
1264 // Scroll to the link which has been edited.
1265 $location .= '#' . $link['shorturl'];
1266 // After saving the link, redirect to the page the user was on.
1267 header('Location: '. $location);
1271 // -------- User clicked the "Cancel" button when editing a link.
1272 if (isset($_POST['cancel_edit']))
1274 $id = isset($_POST['lf_id']) ? (int) escape($_POST['lf_id']) : false;
1275 if (! isset($LINKSDB[$id])) {
1276 header('Location: ?');
1278 // If we are called from the bookmarklet, we must close the popup:
1279 if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo '<script>self.close();</script>'; exit; }
1280 $link = $LINKSDB[$id];
1281 $returnurl = ( isset($_POST['returnurl']) ? $_POST['returnurl'] : '?' );
1282 // Scroll to the link which has been edited.
1283 $returnurl .= '#'. $link['shorturl'];
1284 $returnurl = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link'));
1285 header('Location: '.$returnurl); // After canceling, redirect to the page the user was on.
1289 // -------- User clicked the "Delete" button when editing a link: Delete link from database.
1290 if ($targetPage == Router
::$PAGE_DELETELINK)
1292 if (! $sessionManager->checkToken($_GET['token'])) {
1293 die(t('Wrong token.'));
1296 $ids = trim($_GET['lf_linkdate']);
1297 if (strpos($ids, ' ') !== false) {
1298 // multiple, space-separated ids provided
1299 $ids = array_values(array_filter(preg_split('/\s+/', escape($ids))));
1301 // only a single id provided
1304 // assert at least one id is given
1306 die('no id provided');
1308 foreach ($ids as $id) {
1309 $id = (int) escape($id);
1310 $link = $LINKSDB[$id];
1311 $pluginManager->executeHooks('delete_link', $link);
1312 unset($LINKSDB[$id]);
1314 $LINKSDB->save($conf->get('resource.page_cache')); // save to disk
1315 $history->deleteLink($link);
1317 // If we are called from the bookmarklet, we must close the popup:
1318 if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo '<script>self.close();</script>'; exit; }
1321 if (isset($_SERVER['HTTP_REFERER'])) {
1322 // Don't redirect to where we were previously if it was a permalink or an edit_link, because it would 404.
1323 $location = generateLocation(
1324 $_SERVER['HTTP_REFERER'],
1325 $_SERVER['HTTP_HOST'],
1326 ['delete_link', 'edit_link', $link['shorturl']]
1330 header('Location: ' . $location); // After deleting the link, redirect to appropriate location
1334 // -------- User clicked the "EDIT" button on a link: Display link edit form.
1335 if (isset($_GET['edit_link']))
1337 $id = (int) escape($_GET['edit_link']);
1338 $link = $LINKSDB[$id]; // Read database
1339 if (!$link) { header('Location: ?'); exit; } // Link not found in database.
1340 $link['linkdate'] = $link['created']->format(LinkDB
::LINK_DATE_FORMAT
);
1343 'link_is_new' => false,
1344 'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
1345 'tags' => $LINKSDB->linksCountPerTag(),
1347 $pluginManager->executeHooks('render_editlink', $data);
1349 foreach ($data as $key => $value) {
1350 $PAGE->assign($key, $value);
1353 $PAGE->assign('pagetitle', t('Edit') .' '. t('Shaare') .' - '. $conf->get('general.title', 'Shaarli'));
1354 $PAGE->renderPage('editlink');
1358 // -------- User want to post a new link: Display link edit form.
1359 if (isset($_GET['post'])) {
1360 $url = cleanup_url($_GET['post']);
1362 $link_is_new = false;
1363 // Check if URL is not already in database (in this case, we will edit the existing link)
1364 $link = $LINKSDB->getLinkFromUrl($url);
1367 $link_is_new = true;
1368 $linkdate = strval(date(LinkDB
::LINK_DATE_FORMAT
));
1369 // Get title if it was provided in URL (by the bookmarklet).
1370 $title = empty($_GET['title']) ? '' : escape($_GET['title']);
1371 // Get description if it was provided in URL (by the bookmarklet). [Bronco added that]
1372 $description = empty($_GET['description']) ? '' : escape($_GET['description']);
1373 $tags = empty($_GET['tags']) ? '' : escape($_GET['tags']);
1374 $private = !empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0;
1375 // If this is an HTTP(S) link, we try go get the page to extract the title (otherwise we will to straight to the edit form.)
1376 if (empty($title) && strpos(get_url_scheme($url), 'http') !== false) {
1377 // Short timeout to keep the application responsive
1378 // The callback will fill $charset and $title with data from the downloaded page.
1381 $conf->get('general.download_max_size', 4194304),
1382 $conf->get('general.download_timeout', 30),
1383 get_curl_download_callback($charset, $title)
1385 if (! empty($title) && strtolower($charset) != 'utf-8') {
1386 $title = mb_convert_encoding($title, 'utf-8', $charset);
1391 $url = '?' . smallHash($linkdate . $LINKSDB->getNextId());
1392 $title = $conf->get('general.default_note_title', t('Note: '));
1394 $url = escape($url);
1395 $title = escape($title);
1398 'linkdate' => $linkdate,
1401 'description' => $description,
1403 'private' => $private,
1406 $link['linkdate'] = $link['created']->format(LinkDB
::LINK_DATE_FORMAT
);
1411 'link_is_new' => $link_is_new,
1412 'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
1413 'source' => (isset($_GET['source']) ? $_GET['source'] : ''),
1414 'tags' => $LINKSDB->linksCountPerTag(),
1415 'default_private_links' => $conf->get('privacy.default_private_links', false),
1417 $pluginManager->executeHooks('render_editlink', $data);
1419 foreach ($data as $key => $value) {
1420 $PAGE->assign($key, $value);
1423 $PAGE->assign('pagetitle', t('Shaare') .' - '. $conf->get('general.title', 'Shaarli'));
1424 $PAGE->renderPage('editlink');
1428 if ($targetPage == Router
::$PAGE_EXPORT) {
1429 // Export links as a Netscape Bookmarks file
1431 if (empty($_GET['selection'])) {
1432 $PAGE->assign('pagetitle', t('Export') .' - '. $conf->get('general.title', 'Shaarli'));
1433 $PAGE->renderPage('export');
1437 // export as bookmarks_(all|private|public)_YYYYmmdd_HHMMSS.html
1438 $selection = $_GET['selection'];
1439 if (isset($_GET['prepend_note_url'])) {
1440 $prependNoteUrl = $_GET['prepend_note_url'];
1442 $prependNoteUrl = false;
1448 NetscapeBookmarkUtils
::filterAndFormat(
1455 } catch (Exception
$exc) {
1456 header('Content-Type: text/plain; charset=utf-8');
1457 echo $exc->getMessage();
1460 $now = new DateTime();
1461 header('Content-Type: text/html; charset=utf-8');
1463 'Content-disposition: attachment; filename=bookmarks_'
1464 .$selection.'_'.$now->format(LinkDB
::LINK_DATE_FORMAT
).'.html'
1466 $PAGE->assign('date', $now->format(DateTime
::RFC822
));
1467 $PAGE->assign('eol', PHP_EOL
);
1468 $PAGE->assign('selection', $selection);
1469 $PAGE->renderPage('export.bookmarks');
1473 if ($targetPage == Router
::$PAGE_IMPORT) {
1474 // Upload a Netscape bookmark dump to import its contents
1476 if (! isset($_POST['token']) || ! isset($_FILES['filetoupload'])) {
1477 // Show import dialog
1480 get_max_upload_size(
1481 ini_get('post_max_size'),
1482 ini_get('upload_max_filesize'),
1488 get_max_upload_size(
1489 ini_get('post_max_size'),
1490 ini_get('upload_max_filesize'),
1494 $PAGE->assign('pagetitle', t('Import') .' - '. $conf->get('general.title', 'Shaarli'));
1495 $PAGE->renderPage('import');
1499 // Import bookmarks from an uploaded file
1500 if (isset($_FILES['filetoupload']['size']) && $_FILES['filetoupload']['size'] == 0) {
1501 // The file is too big or some form field may be missing.
1504 'The file you are trying to upload is probably bigger than what this webserver can accept'
1505 .' (%s). Please upload in smaller chunks.'
1507 get_max_upload_size(ini_get('post_max_size'), ini_get('upload_max_filesize'))
1509 echo '<script>alert("'. $msg .'");document.location=\'?do='.Router
::$PAGE_IMPORT .'\';</script>';
1512 if (! $sessionManager->checkToken($_POST['token'])) {
1513 die('Wrong token.');
1515 $status = NetscapeBookmarkUtils
::import(
1522 echo '<script>alert("'.$status.'");document.location=\'?do='
1523 .Router
::$PAGE_IMPORT .'\';</script>';
1527 // Plugin administration page
1528 if ($targetPage == Router
::$PAGE_PLUGINSADMIN) {
1529 $pluginMeta = $pluginManager->getPluginsMeta();
1531 // Split plugins into 2 arrays: ordered enabled plugins and disabled.
1532 $enabledPlugins = array_filter($pluginMeta, function($v) { return $v
['order'] !== false; });
1534 $enabledPlugins = load_plugin_parameter_values($enabledPlugins, $conf->get('plugins', array()));
1537 function($a, $b) { return $a
['order'] - $b
['order']; }
1539 $disabledPlugins = array_filter($pluginMeta, function($v) { return $v
['order'] === false; });
1541 $PAGE->assign('enabledPlugins', $enabledPlugins);
1542 $PAGE->assign('disabledPlugins', $disabledPlugins);
1543 $PAGE->assign('pagetitle', t('Plugin administration') .' - '. $conf->get('general.title', 'Shaarli'));
1544 $PAGE->renderPage('pluginsadmin');
1548 // Plugin administration form action
1549 if ($targetPage == Router
::$PAGE_SAVE_PLUGINSADMIN) {
1551 if (isset($_POST['parameters_form'])) {
1552 unset($_POST['parameters_form']);
1553 foreach ($_POST as $param => $value) {
1554 $conf->set('plugins.'. $param, escape($value));
1558 $conf->set('general.enabled_plugins', save_plugin_config($_POST));
1560 $conf->write(isLoggedIn());
1561 $history->updateSettings();
1563 catch (Exception
$e) {
1565 'ERROR while saving plugin configuration:.' . PHP_EOL
.
1569 // TODO: do not handle exceptions/errors in JS.
1570 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do='. Router
::$PAGE_PLUGINSADMIN .'\';</script>';
1573 header('Location: ?do='. Router
::$PAGE_PLUGINSADMIN);
1577 // Get a fresh token
1578 if ($targetPage == Router
::$GET_TOKEN) {
1579 header('Content-Type:text/plain');
1580 echo $sessionManager->generateToken($conf);
1584 // -------- Otherwise, simply display search form and links:
1585 showLinkList($PAGE, $LINKSDB, $conf, $pluginManager);
1590 * Template for the list of links (<div id="linklist">)
1591 * This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
1593 * @param pageBuilder $PAGE pageBuilder instance.
1594 * @param LinkDB $LINKSDB LinkDB instance.
1595 * @param ConfigManager $conf Configuration Manager instance.
1596 * @param PluginManager $pluginManager Plugin Manager instance.
1598 function buildLinkList($PAGE,$LINKSDB, $conf, $pluginManager)
1600 // Used in templates
1601 if (isset($_GET['searchtags'])) {
1602 if (! empty($_GET['searchtags'])) {
1603 $searchtags = escape(normalize_spaces($_GET['searchtags']));
1605 $searchtags = false;
1610 $searchterm = !empty($_GET['searchterm']) ? escape(normalize_spaces($_GET['searchterm'])) : '';
1613 if (! empty($_SERVER['QUERY_STRING'])
1614 && preg_match('/^[a-zA-Z0-9-_@]{6}($|&|#)/', $_SERVER['QUERY_STRING'])) {
1616 $linksToDisplay = $LINKSDB->filterHash($_SERVER['QUERY_STRING']);
1617 } catch (LinkNotFoundException
$e) {
1618 $PAGE->render404($e->getMessage());
1622 // Filter links according search parameters.
1623 $visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
1625 'searchtags' => $searchtags,
1626 'searchterm' => $searchterm,
1628 $linksToDisplay = $LINKSDB->filterSearch($request, false, $visibility, !empty($_SESSION['untaggedonly']));
1631 // ---- Handle paging.
1633 foreach ($linksToDisplay as $key => $value) {
1639 // Select articles according to paging.
1640 $pagecount = ceil(count($keys) / $_SESSION['LINKS_PER_PAGE']);
1641 $pagecount = $pagecount == 0 ? 1 : $pagecount;
1642 $page= empty($_GET['page']) ? 1 : intval($_GET['page']);
1643 $page = $page < 1 ? 1 : $page;
1644 $page = $page > $pagecount ? $pagecount : $page;
1646 $i = ($page-1) * $_SESSION['LINKS_PER_PAGE'];
1647 $end = $i +
$_SESSION['LINKS_PER_PAGE'];
1648 $linkDisp = array();
1649 while ($i<$end && $i<count($keys))
1651 $link = $linksToDisplay[$keys[$i]];
1652 $link['description'] = format_description(
1653 $link['description'],
1654 $conf->get('redirector.url'),
1655 $conf->get('redirector.encode_url')
1657 $classLi = ($i %
2) != 0 ? '' : 'publicLinkHightLight';
1658 $link['class'] = $link['private'] == 0 ? $classLi : 'private';
1659 $link['timestamp'] = $link['created']->getTimestamp();
1660 if (! empty($link['updated'])) {
1661 $link['updated_timestamp'] = $link['updated']->getTimestamp();
1663 $link['updated_timestamp'] = '';
1665 $taglist = preg_split('/\s+/', $link['tags'], -1, PREG_SPLIT_NO_EMPTY
);
1666 uasort($taglist, 'strcasecmp');
1667 $link['taglist'] = $taglist;
1668 // Check for both signs of a note: starting with ? and 7 chars long.
1669 if ($link['url'][0] === '?' &&
1670 strlen($link['url']) === 7) {
1671 $link['url'] = index_url($_SERVER) . $link['url'];
1674 $linkDisp[$keys[$i]] = $link;
1678 // Compute paging navigation
1679 $searchtagsUrl = $searchtags === '' ? '' : '&searchtags=' . urlencode($searchtags);
1680 $searchtermUrl = empty($searchterm) ? '' : '&searchterm=' . urlencode($searchterm);
1681 $previous_page_url = '';
1682 if ($i != count($keys)) {
1683 $previous_page_url = '?page=' . ($page+
1) . $searchtermUrl . $searchtagsUrl;
1687 $next_page_url = '?page=' . ($page-1) . $searchtermUrl . $searchtagsUrl;
1690 // Fill all template fields.
1692 'previous_page_url' => $previous_page_url,
1693 'next_page_url' => $next_page_url,
1694 'page_current' => $page,
1695 'page_max' => $pagecount,
1696 'result_count' => count($linksToDisplay),
1697 'search_term' => $searchterm,
1698 'search_tags' => $searchtags,
1699 'visibility' => ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '',
1700 'redirector' => $conf->get('redirector.url'), // Optional redirector URL.
1701 'links' => $linkDisp,
1704 // If there is only a single link, we change on-the-fly the title of the page.
1705 if (count($linksToDisplay) == 1) {
1706 $data['pagetitle'] = $linksToDisplay[$keys[0]]['title'] .' - '. $conf->get('general.title');
1707 } elseif (! empty($searchterm) || ! empty($searchtags)) {
1708 $data['pagetitle'] = t('Search: ');
1709 $data['pagetitle'] .= ! empty($searchterm) ? $searchterm .' ' : '';
1710 $bracketWrap = function ($tag) {
1711 return '['. $tag .']';
1713 $data['pagetitle'] .= ! empty($searchtags)
1714 ? implode(' ', array_map($bracketWrap, preg_split('/\s+/', $searchtags))).' '
1716 $data['pagetitle'] .= '- '. $conf->get('general.title');
1719 $pluginManager->executeHooks('render_linklist', $data, array('loggedin' => isLoggedIn()));
1721 foreach ($data as $key => $value) {
1722 $PAGE->assign($key, $value);
1729 * Compute the thumbnail for a link.
1731 * With a link to the original URL.
1732 * Understands various services (youtube.com...)
1733 * Input: $url = URL for which the thumbnail must be found.
1734 * $href = if provided, this URL will be followed instead of $url
1735 * Returns an associative array with thumbnail attributes (src,href,width,height,style,alt)
1736 * Some of them may be missing.
1737 * Return an empty array if no thumbnail available.
1739 * @param ConfigManager $conf Configuration Manager instance.
1740 * @param string $url
1741 * @param string|bool $href
1745 function computeThumbnail($conf, $url, $href = false)
1747 if (!$conf->get('thumbnail.enable_thumbnails')) return array();
1748 if ($href==false) $href=$url;
1750 // For most hosts, the URL of the thumbnail can be easily deduced from the URL of the link.
1751 // (e.g. http://www.youtube.com/watch?v=spVypYk4kto ---> http://img.youtube.com/vi/spVypYk4kto/default.jpg )
1752 // ^^^^^^^^^^^ ^^^^^^^^^^^
1753 $domain = parse_url($url,PHP_URL_HOST
);
1754 if ($domain=='youtube.com' || $domain=='www.youtube.com')
1756 parse_str(parse_url($url,PHP_URL_QUERY
), $params); // Extract video ID and get thumbnail
1757 if (!empty($params['v'])) return array('src'=>'https://img.youtube.com/vi/'.$params['v'].'/default.jpg',
1758 'href'=>$href,'width'=>'120','height'=>'90','alt'=>'YouTube thumbnail');
1760 if ($domain=='youtu.be') // Youtube short links
1762 $path = parse_url($url,PHP_URL_PATH
);
1763 return array('src'=>'https://img.youtube.com/vi'.$path.'/default.jpg',
1764 'href'=>$href,'width'=>'120','height'=>'90','alt'=>'YouTube thumbnail');
1766 if ($domain=='pix.toile-libre.org') // pix.toile-libre.org image hosting
1768 parse_str(parse_url($url,PHP_URL_QUERY
), $params); // Extract image filename.
1769 if (!empty($params) && !empty($params['img'])) return array('src'=>'http://pix.toile-libre.org/upload/thumb/'.urlencode($params['img']),
1770 'href'=>$href,'style'=>'max-width:120px; max-height:150px','alt'=>'pix.toile-libre.org thumbnail');
1773 if ($domain=='imgur.com')
1775 $path = parse_url($url,PHP_URL_PATH
);
1776 if (startsWith($path,'/a/')) return array(); // Thumbnails for albums are not available.
1777 if (startsWith($path,'/r/')) return array('src'=>'https://i.imgur.com/'.basename($path).'s.jpg',
1778 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
1779 if (startsWith($path,'/gallery/')) return array('src'=>'https://i.imgur.com'.substr($path,8).'s.jpg',
1780 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
1782 if (substr_count($path,'/')==1) return array('src'=>'https://i.imgur.com/'.substr($path,1).'s.jpg',
1783 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
1785 if ($domain=='i.imgur.com')
1787 $pi = pathinfo(parse_url($url,PHP_URL_PATH
));
1788 if (!empty($pi['filename'])) return array('src'=>'https://i.imgur.com/'.$pi['filename'].'s.jpg',
1789 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
1791 if ($domain=='dailymotion.com' || $domain=='www.dailymotion.com')
1793 if (strpos($url,'dailymotion.com/video/')!==false)
1795 $thumburl=str_replace('dailymotion.com/video/','dailymotion.com/thumbnail/video/',$url);
1796 return array('src'=>$thumburl,
1797 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'DailyMotion thumbnail');
1800 if (endsWith($domain,'.imageshack.us'))
1802 $ext=strtolower(pathinfo($url,PATHINFO_EXTENSION
));
1803 if ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif')
1805 $thumburl = substr($url,0,strlen($url)-strlen($ext)).'th.'.$ext;
1806 return array('src'=>$thumburl,
1807 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'imageshack.us thumbnail');
1811 // Some other hosts are SLOW AS HELL and usually require an extra HTTP request to get the thumbnail URL.
1812 // So we deport the thumbnail generation in order not to slow down page generation
1813 // (and we also cache the thumbnail)
1815 if (! $conf->get('thumbnail.enable_localcache')) return array(); // If local cache is disabled, no thumbnails for services which require the use a local cache.
1817 if ($domain=='flickr.com' || endsWith($domain,'.flickr.com')
1818 || $domain=='vimeo.com'
1819 || $domain=='ted.com' || endsWith($domain,'.ted.com')
1820 || $domain=='xkcd.com' || endsWith($domain,'.xkcd.com')
1823 if ($domain=='vimeo.com')
1824 { // Make sure this vimeo URL points to a video (/xxx... where xxx is numeric)
1825 $path = parse_url($url,PHP_URL_PATH
);
1826 if (!preg_match('!/\d+.+?!',$path)) return array(); // This is not a single video URL.
1828 if ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com'))
1829 { // Make sure this URL points to a single comic (/xxx... where xxx is numeric)
1830 $path = parse_url($url,PHP_URL_PATH
);
1831 if (!preg_match('!/\d+.+?!',$path)) return array();
1833 if ($domain=='ted.com' || endsWith($domain,'.ted.com'))
1834 { // Make sure this TED URL points to a video (/talks/...)
1835 $path = parse_url($url,PHP_URL_PATH
);
1836 if ("/talks/" !== substr($path,0,7)) return array(); // This is not a single video URL.
1838 $sign = hash_hmac('sha256', $url, $conf->get('credentials.salt')); // We use the salt to sign data (it's random, secret, and specific to each installation)
1839 return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url),
1840 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail');
1843 // For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif
1844 // Technically speaking, we should download ALL links and check their Content-Type to see if they are images.
1845 // But using the extension will do.
1846 $ext=strtolower(pathinfo($url,PATHINFO_EXTENSION
));
1847 if ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif')
1849 $sign = hash_hmac('sha256', $url, $conf->get('credentials.salt')); // We use the salt to sign data (it's random, secret, and specific to each installation)
1850 return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url),
1851 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail');
1853 return array(); // No thumbnail.
1858 // Returns the HTML code to display a thumbnail for a link
1859 // with a link to the original URL.
1860 // Understands various services (youtube.com...)
1861 // Input: $url = URL for which the thumbnail must be found.
1862 // $href = if provided, this URL will be followed instead of $url
1863 // Returns '' if no thumbnail available.
1864 function thumbnail($url,$href=false)
1868 $t = computeThumbnail($conf, $url,$href);
1869 if (count($t)==0) return ''; // Empty array = no thumbnail for this URL.
1871 $html='<a href="'.escape($t['href']).'"><img src="'.escape($t['src']).'"';
1872 if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"';
1873 if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"';
1874 if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"';
1875 if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"';
1880 // Returns the HTML code to display a thumbnail for a link
1881 // for the picture wall (using lazy image loading)
1882 // Understands various services (youtube.com...)
1883 // Input: $url = URL for which the thumbnail must be found.
1884 // $href = if provided, this URL will be followed instead of $url
1885 // Returns '' if no thumbnail available.
1886 function lazyThumbnail($conf, $url,$href=false)
1890 $t = computeThumbnail($conf, $url,$href);
1891 if (count($t)==0) return ''; // Empty array = no thumbnail for this URL.
1893 $html='<a href="'.escape($t['href']).'">';
1896 $html.='<img class="b-lazy" src="#" data-src="'.escape($t['src']).'"';
1898 if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"';
1899 if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"';
1900 if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"';
1901 if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"';
1904 // No-JavaScript fallback.
1905 $html.='<noscript><img src="'.escape($t['src']).'"';
1906 if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"';
1907 if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"';
1908 if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"';
1909 if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"';
1910 $html.='></noscript></a>';
1918 * This function should NEVER be called if the file data/config.php exists.
1920 * @param ConfigManager $conf Configuration Manager instance.
1921 * @param SessionManager $sessionManager SessionManager instance
1923 function install($conf, $sessionManager) {
1924 // On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
1925 if (endsWith($_SERVER['HTTP_HOST'],'.free.fr') && !is_dir($_SERVER['DOCUMENT_ROOT'].'/sessions')) mkdir($_SERVER['DOCUMENT_ROOT'].'/sessions',0705);
1928 // This part makes sure sessions works correctly.
1929 // (Because on some hosts, session.save_path may not be set correctly,
1930 // or we may not have write access to it.)
1931 if (isset($_GET['test_session']) && ( !isset($_SESSION) || !isset($_SESSION['session_tested']) || $_SESSION['session_tested']!='Working'))
1933 // Step 2: Check if data in session is correct.
1935 '<pre>Sessions do not seem to work correctly on your server.<br>'.
1936 'Make sure the variable "session.save_path" is set correctly in your PHP config, '.
1937 'and that you have write access to it.<br>'.
1938 'It currently points to %s.<br>'.
1939 'On some browsers, accessing your server via a hostname like \'localhost\' '.
1940 'or any custom hostname without a dot causes cookie storage to fail. '.
1941 'We recommend accessing your server via it\'s IP address or Fully Qualified Domain Name.<br>'
1943 $msg = sprintf($msg, session_save_path());
1945 echo '<br><a href="?">'. t('Click to try again.') .'</a></pre>';
1948 if (!isset($_SESSION['session_tested']))
1949 { // Step 1 : Try to store data in session and reload page.
1950 $_SESSION['session_tested'] = 'Working'; // Try to set a variable in session.
1951 header('Location: '.index_url($_SERVER).'?test_session'); // Redirect to check stored data.
1953 if (isset($_GET['test_session']))
1954 { // Step 3: Sessions are OK. Remove test parameter from URL.
1955 header('Location: '.index_url($_SERVER));
1959 if (!empty($_POST['setlogin']) && !empty($_POST['setpassword']))
1962 if (!empty($_POST['continent']) && !empty($_POST['city'])
1963 && isTimeZoneValid($_POST['continent'], $_POST['city'])
1965 $tz = $_POST['continent'].'/'.$_POST['city'];
1967 $conf->set('general.timezone', $tz);
1968 $login = $_POST['setlogin'];
1969 $conf->set('credentials.login', $login);
1970 $salt = sha1(uniqid('', true) .'_'. mt_rand());
1971 $conf->set('credentials.salt', $salt);
1972 $conf->set('credentials.hash', sha1($_POST['setpassword'] . $login . $salt));
1973 if (!empty($_POST['title'])) {
1974 $conf->set('general.title', escape($_POST['title']));
1976 $conf->set('general.title', 'Shared links on '.escape(index_url($_SERVER)));
1978 $conf->set('translation.language', escape($_POST['language']));
1979 $conf->set('updates.check_updates', !empty($_POST['updateCheck']));
1980 $conf->set('api.enabled', !empty($_POST['enableApi']));
1983 generate_api_secret(
1984 $conf->get('credentials.login'),
1985 $conf->get('credentials.salt')
1989 // Everything is ok, let's create config file.
1990 $conf->write(isLoggedIn());
1992 catch(Exception
$e) {
1994 'ERROR while writing config file after installation.' . PHP_EOL
.
1998 // TODO: do not handle exceptions/errors in JS.
1999 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?\';</script>';
2002 echo '<script>alert("Shaarli is now configured. Please enter your login/password and start shaaring your links!");document.location=\'?do=login\';</script>';
2006 $PAGE = new PageBuilder($conf, null, $sessionManager->generateToken());
2007 list($continents, $cities) = generateTimeZoneData(timezone_identifiers_list(), date_default_timezone_get());
2008 $PAGE->assign('continents', $continents);
2009 $PAGE->assign('cities', $cities);
2010 $PAGE->assign('languages', Languages
::getAvailableLanguages());
2011 $PAGE->renderPage('install');
2016 * Because some f*cking services like flickr require an extra HTTP request to get the thumbnail URL,
2017 * I have deported the thumbnail URL code generation here, otherwise this would slow down page generation.
2018 * The following function takes the URL a link (e.g. a flickr page) and return the proper thumbnail.
2019 * This function is called by passing the URL:
2020 * http://mywebsite.com/shaarli/?do=genthumbnail&hmac=[HMAC]&url=[URL]
2021 * [URL] is the URL of the link (e.g. a flickr page)
2022 * [HMAC] is the signature for the [URL] (so that these URL cannot be forged).
2023 * The function below will fetch the image from the webservice and store it in the cache.
2025 * @param ConfigManager $conf Configuration Manager instance,
2027 function genThumbnail($conf)
2029 // Make sure the parameters in the URL were generated by us.
2030 $sign = hash_hmac('sha256', $_GET['url'], $conf->get('credentials.salt'));
2031 if ($sign!=$_GET['hmac']) die('Naughty boy!');
2033 $cacheDir = $conf->get('resource.thumbnails_cache', 'cache');
2034 // Let's see if we don't already have the image for this URL in the cache.
2035 $thumbname=hash('sha1',$_GET['url']).'.jpg';
2036 if (is_file($cacheDir .'/'. $thumbname))
2037 { // We have the thumbnail, just serve it:
2038 header('Content-Type: image/jpeg');
2039 echo file_get_contents($cacheDir .'/'. $thumbname);
2042 // We may also serve a blank image (if service did not respond)
2043 $blankname=hash('sha1',$_GET['url']).'.gif';
2044 if (is_file($cacheDir .'/'. $blankname))
2046 header('Content-Type: image/gif');
2047 echo file_get_contents($cacheDir .'/'. $blankname);
2051 // Otherwise, generate the thumbnail.
2052 $url = $_GET['url'];
2053 $domain = parse_url($url,PHP_URL_HOST
);
2055 if ($domain=='flickr.com' || endsWith($domain,'.flickr.com'))
2057 // Crude replacement to handle new flickr domain policy (They prefer www. now)
2058 $url = str_replace('http://flickr.com/','http://www.flickr.com/',$url);
2060 // Is this a link to an image, or to a flickr page ?
2062 if (endsWith(parse_url($url, PHP_URL_PATH
), '.jpg'))
2063 { // This is a direct link to an image. e.g. http://farm1.staticflickr.com/5/5921913_ac83ed27bd_o.jpg
2064 preg_match('!(http://farm\d+\.staticflickr\.com/\d+/\d+_\w+_)\w.jpg!',$url,$matches);
2065 if (!empty($matches[1])) $imageurl=$matches[1].'m.jpg';
2067 else // This is a flickr page (html)
2069 // Get the flickr html page.
2070 list($headers, $content) = get_http_response($url, 20);
2071 if (strpos($headers[0], '200 OK') !== false)
2073 // flickr now nicely provides the URL of the thumbnail in each flickr page.
2074 preg_match('!<link rel=\"image_src\" href=\"(.+?)\"!', $content, $matches);
2075 if (!empty($matches[1])) $imageurl=$matches[1];
2077 // In albums (and some other pages), the link rel="image_src" is not provided,
2078 // but flickr provides:
2079 // <meta property="og:image" content="http://farm4.staticflickr.com/3398/3239339068_25d13535ff_z.jpg" />
2082 preg_match('!<meta property=\"og:image\" content=\"(.+?)\"!', $content, $matches);
2083 if (!empty($matches[1])) $imageurl=$matches[1];
2089 { // Let's download the image.
2090 // Image is 240x120, so 10 seconds to download should be enough.
2091 list($headers, $content) = get_http_response($imageurl, 10);
2092 if (strpos($headers[0], '200 OK') !== false) {
2093 // Save image to cache.
2094 file_put_contents($cacheDir .'/'. $thumbname, $content);
2095 header('Content-Type: image/jpeg');
2102 elseif ($domain=='vimeo.com' )
2104 // This is more complex: we have to perform a HTTP request, then parse the result.
2105 // Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098
2106 $vid = substr(parse_url($url,PHP_URL_PATH
),1);
2107 list($headers, $content) = get_http_response('https://vimeo.com/api/v2/video/'.escape($vid).'.php', 5);
2108 if (strpos($headers[0], '200 OK') !== false) {
2109 $t = unserialize($content);
2110 $imageurl = $t[0]['thumbnail_medium'];
2111 // Then we download the image and serve it to our client.
2112 list($headers, $content) = get_http_response($imageurl, 10);
2113 if (strpos($headers[0], '200 OK') !== false) {
2114 // Save image to cache.
2115 file_put_contents($cacheDir .'/'. $thumbname, $content);
2116 header('Content-Type: image/jpeg');
2123 elseif ($domain=='ted.com' || endsWith($domain,'.ted.com'))
2125 // The thumbnail for TED talks is located in the <link rel="image_src" [...]> tag on that page
2126 // http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html
2127 // <link rel="image_src" href="http://images.ted.com/images/ted/28bced335898ba54d4441809c5b1112ffaf36781_389x292.jpg" />
2128 list($headers, $content) = get_http_response($url, 5);
2129 if (strpos($headers[0], '200 OK') !== false) {
2130 // Extract the link to the thumbnail
2131 preg_match('!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!', $content, $matches);
2132 if (!empty($matches[1]))
2133 { // Let's download the image.
2134 $imageurl=$matches[1];
2135 // No control on image size, so wait long enough
2136 list($headers, $content) = get_http_response($imageurl, 20);
2137 if (strpos($headers[0], '200 OK') !== false) {
2138 $filepath = $cacheDir .'/'. $thumbname;
2139 file_put_contents($filepath, $content); // Save image to cache.
2140 if (resizeImage($filepath))
2142 header('Content-Type: image/jpeg');
2143 echo file_get_contents($filepath);
2151 elseif ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com'))
2153 // There is no thumbnail available for xkcd comics, so download the whole image and resize it.
2154 // http://xkcd.com/327/
2155 // <img src="http://imgs.xkcd.com/comics/exploits_of_a_mom.png" title="<BLABLA>" alt="<BLABLA>" />
2156 list($headers, $content) = get_http_response($url, 5);
2157 if (strpos($headers[0], '200 OK') !== false) {
2158 // Extract the link to the thumbnail
2159 preg_match('!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!', $content, $matches);
2160 if (!empty($matches[1]))
2161 { // Let's download the image.
2162 $imageurl=$matches[1];
2163 // No control on image size, so wait long enough
2164 list($headers, $content) = get_http_response($imageurl, 20);
2165 if (strpos($headers[0], '200 OK') !== false) {
2166 $filepath = $cacheDir.'/'.$thumbname;
2167 // Save image to cache.
2168 file_put_contents($filepath, $content);
2169 if (resizeImage($filepath))
2171 header('Content-Type: image/jpeg');
2172 echo file_get_contents($filepath);
2182 // For all other domains, we try to download the image and make a thumbnail.
2183 // We allow 30 seconds max to download (and downloads are limited to 4 Mb)
2184 list($headers, $content) = get_http_response($url, 30);
2185 if (strpos($headers[0], '200 OK') !== false) {
2186 $filepath = $cacheDir .'/'.$thumbname;
2187 // Save image to cache.
2188 file_put_contents($filepath, $content);
2189 if (resizeImage($filepath))
2191 header('Content-Type: image/jpeg');
2192 echo file_get_contents($filepath);
2199 // Otherwise, return an empty image (8x8 transparent gif)
2200 $blankgif = base64_decode('R0lGODlhCAAIAIAAAP///////yH5BAEKAAEALAAAAAAIAAgAAAIHjI+py+1dAAA7');
2201 // Also put something in cache so that this URL is not requested twice.
2202 file_put_contents($cacheDir .'/'. $blankname, $blankgif);
2203 header('Content-Type: image/gif');
2207 // Make a thumbnail of the image (to width: 120 pixels)
2208 // Returns true if success, false otherwise.
2209 function resizeImage($filepath)
2211 if (!function_exists('imagecreatefromjpeg')) return false; // GD not present: no thumbnail possible.
2213 // Trick: some stupid people rename GIF as JPEG... or else.
2214 // So we really try to open each image type whatever the extension is.
2215 $header=file_get_contents($filepath,false,NULL,0,256); // Read first 256 bytes and try to sniff file type.
2217 $i=strpos($header,'GIF8'); if (($i!==false) && ($i==0)) $im = imagecreatefromgif($filepath); // Well this is crude, but it should be enough.
2218 $i=strpos($header,'PNG'); if (($i!==false) && ($i==1)) $im = imagecreatefrompng($filepath);
2219 $i=strpos($header,'JFIF'); if ($i!==false) $im = imagecreatefromjpeg($filepath);
2220 if (!$im) return false; // Unable to open image (corrupted or not an image)
2223 $ystart = 0; $yheight=$h;
2224 if ($h>$w) { $ystart
= ($h
/2)-($w
/2); $yheight
=$w
/2; }
2225 $nw = 120; // Desired width
2226 $nh = min(floor(($h*$nw)/$w),120); // Compute new width/height, but maximum 120 pixels height.
2228 $im2 = imagecreatetruecolor($nw,$nh);
2229 imagecopyresampled($im2, $im, 0, 0, 0, $ystart, $nw, $nh, $w, $yheight);
2230 imageinterlace($im2,true); // For progressive JPEG.
2231 $tempname=$filepath.'_TEMP.jpg';
2232 imagejpeg($im2, $tempname, 90);
2236 rename($tempname,$filepath); // Overwrite original picture with thumbnail.
2240 if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=genthumbnail')) { genThumbnail($conf
); exit; } // Thumbnail generation/cache does not need the link database.
2241 if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=dailyrss')) { showDailyRSS($conf
); exit; }
2242 if (!isset($_SESSION['LINKS_PER_PAGE'])) {
2243 $_SESSION['LINKS_PER_PAGE'] = $conf->get('general.links_per_page', 20);
2247 $history = new History($conf->get('resource.history'));
2248 } catch(Exception
$e) {
2249 die($e->getMessage());
2252 $linkDb = new LinkDB(
2253 $conf->get('resource.datastore'),
2255 $conf->get('privacy.hide_public_links'),
2256 $conf->get('redirector.url'),
2257 $conf->get('redirector.encode_url')
2260 $container = new \Slim\
Container();
2261 $container['conf'] = $conf;
2262 $container['plugins'] = $pluginManager;
2263 $container['history'] = $history;
2264 $app = new \Slim\
App($container);
2267 $app->group('/api/v1', function() {
2268 $this->get('/info', '\Shaarli\Api\Controllers\Info:getInfo')->setName('getInfo');
2269 $this->get('/links', '\Shaarli\Api\Controllers\Links:getLinks')->setName('getLinks');
2270 $this->get('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:getLink')->setName('getLink');
2271 $this->post('/links', '\Shaarli\Api\Controllers\Links:postLink')->setName('postLink');
2272 $this->put('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:putLink')->setName('putLink');
2273 $this->delete('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:deleteLink')->setName('deleteLink');
2274 $this->get('/history', '\Shaarli\Api\Controllers\History:getHistory')->setName('getHistory');
2275 })->add('\Shaarli\Api\ApiMiddleware');
2277 $response = $app->run(true);
2278 // Hack to make Slim and Shaarli router work together:
2279 // If a Slim route isn't found and NOT API call, we call renderPage().
2280 if ($response->getStatusCode() == 404 && strpos($_SERVER['REQUEST_URI'], '/api/v1') === false) {
2281 // We use UTF-8 for proper international characters handling.
2282 header('Content-Type: text/html; charset=utf-8');
2283 renderPage($conf, $pluginManager, $linkDb, $history, $sessionManager, $loginManager);
2285 $app->respond($response);