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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
19if (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/
28define('WEB_PATH', substr($_SERVER['REQUEST_URI'], 0, 1+strrpos($_SERVER['REQUEST_URI'], '/', 0)));
29
30// High execution time in case of problematic imports/exports.
31ini_set('max_input_time', '60');
32
33// Try to set max upload file size and read
34ini_set('memory_limit', '128M');
35ini_set('post_max_size', '16M');
36ini_set('upload_max_filesize', '16M');
37
38// See all error except warnings
39error_reporting(E_ALL^E_WARNING);
40// See all errors (for debugging only)
41//error_reporting(-1);
42
43
44// 3rd-party libraries
45if (! 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-configuration/\n"
52 ."- https://shaarli.readthedocs.io/en/master/Download-and-Installation/";
53 exit;
54}
55require_once 'inc/rain.tpl.class.php';
56require_once __DIR__ . '/vendor/autoload.php';
57
58// Shaarli library
59require_once 'application/bookmark/LinkUtils.php';
60require_once 'application/config/ConfigPlugin.php';
61require_once 'application/feed/Cache.php';
62require_once 'application/http/HttpUtils.php';
63require_once 'application/http/UrlUtils.php';
64require_once 'application/updater/UpdaterUtils.php';
65require_once 'application/FileUtils.php';
66require_once 'application/TimeZone.php';
67require_once 'application/Utils.php';
68
69use \Shaarli\ApplicationUtils;
70use \Shaarli\Bookmark\Exception\LinkNotFoundException;
71use \Shaarli\Bookmark\LinkDB;
72use \Shaarli\Config\ConfigManager;
73use \Shaarli\Feed\CachedPage;
74use \Shaarli\Feed\FeedBuilder;
75use \Shaarli\History;
76use \Shaarli\Languages;
77use \Shaarli\Netscape\NetscapeBookmarkUtils;
78use \Shaarli\Plugin\PluginManager;
79use \Shaarli\Render\PageBuilder;
80use \Shaarli\Render\ThemeUtils;
81use \Shaarli\Router;
82use \Shaarli\Security\LoginManager;
83use \Shaarli\Security\SessionManager;
84use \Shaarli\Thumbnailer;
85use \Shaarli\Updater\Updater;
86
87// Ensure the PHP version is supported
88try {
89 ApplicationUtils::checkPHPVersion('5.5', PHP_VERSION);
90} catch (Exception $exc) {
91 header('Content-Type: text/plain; charset=utf-8');
92 echo $exc->getMessage();
93 exit;
94}
95
96define('SHAARLI_VERSION', ApplicationUtils::getVersion(__DIR__ .'/'. ApplicationUtils::$VERSION_FILE));
97
98// Force cookie path (but do not change lifetime)
99$cookie = session_get_cookie_params();
100$cookiedir = '';
101if (dirname($_SERVER['SCRIPT_NAME']) != '/') {
102 $cookiedir = dirname($_SERVER["SCRIPT_NAME"]).'/';
103}
104// Set default cookie expiration and path.
105session_set_cookie_params($cookie['lifetime'], $cookiedir, $_SERVER['SERVER_NAME']);
106// Set session parameters on server side.
107// Use cookies to store session.
108ini_set('session.use_cookies', 1);
109// Force cookies for session (phpsessionID forbidden in URL).
110ini_set('session.use_only_cookies', 1);
111// Prevent PHP form using sessionID in URL if cookies are disabled.
112ini_set('session.use_trans_sid', false);
113
114session_name('shaarli');
115// Start session if needed (Some server auto-start sessions).
116if (session_status() == PHP_SESSION_NONE) {
117 session_start();
118}
119
120// Regenerate session ID if invalid or not defined in cookie.
121if (isset($_COOKIE['shaarli']) && !SessionManager::checkId($_COOKIE['shaarli'])) {
122 session_regenerate_id(true);
123 $_COOKIE['shaarli'] = session_id();
124}
125
126$conf = new ConfigManager();
127$sessionManager = new SessionManager($_SESSION, $conf);
128$loginManager = new LoginManager($conf, $sessionManager);
129$loginManager->generateStaySignedInToken($_SERVER['REMOTE_ADDR']);
130$clientIpId = client_ip_id($_SERVER);
131
132// LC_MESSAGES isn't defined without php-intl, in this case use LC_COLLATE locale instead.
133if (! defined('LC_MESSAGES')) {
134 define('LC_MESSAGES', LC_COLLATE);
135}
136
137// Sniff browser language and set date format accordingly.
138if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
139 autoLocale($_SERVER['HTTP_ACCEPT_LANGUAGE']);
140}
141
142new Languages(setlocale(LC_MESSAGES, 0), $conf);
143
144$conf->setEmpty('general.timezone', date_default_timezone_get());
145$conf->setEmpty('general.title', t('Shared links on '). escape(index_url($_SERVER)));
146RainTPL::$tpl_dir = $conf->get('resource.raintpl_tpl').'/'.$conf->get('resource.theme').'/'; // template directory
147RainTPL::$cache_dir = $conf->get('resource.raintpl_tmp'); // cache directory
148
149$pluginManager = new PluginManager($conf);
150$pluginManager->load($conf->get('general.enabled_plugins'));
151
152date_default_timezone_set($conf->get('general.timezone', 'UTC'));
153
154ob_start(); // Output buffering for the page cache.
155
156// Prevent caching on client side or proxy: (yes, it's ugly)
157header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
158header("Cache-Control: no-store, no-cache, must-revalidate");
159header("Cache-Control: post-check=0, pre-check=0", false);
160header("Pragma: no-cache");
161
162if (! is_file($conf->getConfigFileExt())) {
163 // Ensure Shaarli has proper access to its resources
164 $errors = ApplicationUtils::checkResourcePermissions($conf);
165
166 if ($errors != array()) {
167 $message = '<p>'. t('Insufficient permissions:') .'</p><ul>';
168
169 foreach ($errors as $error) {
170 $message .= '<li>'.$error.'</li>';
171 }
172 $message .= '</ul>';
173
174 header('Content-Type: text/html; charset=utf-8');
175 echo $message;
176 exit;
177 }
178
179 // Display the installation form if no existing config is found
180 install($conf, $sessionManager, $loginManager);
181}
182
183$loginManager->checkLoginState($_COOKIE, $clientIpId);
184
185/**
186 * Adapter function to ensure compatibility with third-party templates
187 *
188 * @see https://github.com/shaarli/Shaarli/pull/1086
189 *
190 * @return bool true when the user is logged in, false otherwise
191 */
192function isLoggedIn()
193{
194 global $loginManager;
195 return $loginManager->isLoggedIn();
196}
197
198
199// ------------------------------------------------------------------------------------------
200// Process login form: Check if login/password is correct.
201if (isset($_POST['login'])) {
202 if (! $loginManager->canLogin($_SERVER)) {
203 die(t('I said: NO. You are banned for the moment. Go away.'));
204 }
205 if (isset($_POST['password'])
206 && $sessionManager->checkToken($_POST['token'])
207 && $loginManager->checkCredentials($_SERVER['REMOTE_ADDR'], $clientIpId, $_POST['login'], $_POST['password'])
208 ) {
209 $loginManager->handleSuccessfulLogin($_SERVER);
210
211 $cookiedir = '';
212 if (dirname($_SERVER['SCRIPT_NAME']) != '/') {
213 // Note: Never forget the trailing slash on the cookie path!
214 $cookiedir = dirname($_SERVER["SCRIPT_NAME"]) . '/';
215 }
216
217 if (!empty($_POST['longlastingsession'])) {
218 // Keep the session cookie even after the browser closes
219 $sessionManager->setStaySignedIn(true);
220 $expirationTime = $sessionManager->extendSession();
221
222 setcookie(
223 $loginManager::$STAY_SIGNED_IN_COOKIE,
224 $loginManager->getStaySignedInToken(),
225 $expirationTime,
226 WEB_PATH
227 );
228 } else {
229 // Standard session expiration (=when browser closes)
230 $expirationTime = 0;
231 }
232
233 // Send cookie with the new expiration date to the browser
234 session_set_cookie_params($expirationTime, $cookiedir, $_SERVER['SERVER_NAME']);
235 session_regenerate_id(true);
236
237 // Optional redirect after login:
238 if (isset($_GET['post'])) {
239 $uri = '?post='. urlencode($_GET['post']);
240 foreach (array('description', 'source', 'title', 'tags') as $param) {
241 if (!empty($_GET[$param])) {
242 $uri .= '&'.$param.'='.urlencode($_GET[$param]);
243 }
244 }
245 header('Location: '. $uri);
246 exit;
247 }
248
249 if (isset($_GET['edit_link'])) {
250 header('Location: ?edit_link='. escape($_GET['edit_link']));
251 exit;
252 }
253
254 if (isset($_POST['returnurl'])) {
255 // Prevent loops over login screen.
256 if (strpos($_POST['returnurl'], 'do=login') === false) {
257 header('Location: '. generateLocation($_POST['returnurl'], $_SERVER['HTTP_HOST']));
258 exit;
259 }
260 }
261 header('Location: ?');
262 exit;
263 } else {
264 $loginManager->handleFailedLogin($_SERVER);
265 $redir = '&username='. urlencode($_POST['login']);
266 if (isset($_GET['post'])) {
267 $redir .= '&post=' . urlencode($_GET['post']);
268 foreach (array('description', 'source', 'title', 'tags') as $param) {
269 if (!empty($_GET[$param])) {
270 $redir .= '&' . $param . '=' . urlencode($_GET[$param]);
271 }
272 }
273 }
274 // Redirect to login screen.
275 echo '<script>alert("'. t("Wrong login/password.") .'");document.location=\'?do=login'.$redir.'\';</script>';
276 exit;
277 }
278}
279
280// ------------------------------------------------------------------------------------------
281// Token management for XSRF protection
282// Token should be used in any form which acts on data (create,update,delete,import...).
283if (!isset($_SESSION['tokens'])) {
284 $_SESSION['tokens']=array(); // Token are attached to the session.
285}
286
287/**
288 * Daily RSS feed: 1 RSS entry per day giving all the links on that day.
289 * Gives the last 7 days (which have links).
290 * This RSS feed cannot be filtered.
291 *
292 * @param ConfigManager $conf Configuration Manager instance
293 * @param LoginManager $loginManager LoginManager instance
294 */
295function showDailyRSS($conf, $loginManager)
296{
297 // Cache system
298 $query = $_SERVER['QUERY_STRING'];
299 $cache = new CachedPage(
300 $conf->get('config.PAGE_CACHE'),
301 page_url($_SERVER),
302 startsWith($query, 'do=dailyrss') && !$loginManager->isLoggedIn()
303 );
304 $cached = $cache->cachedVersion();
305 if (!empty($cached)) {
306 echo $cached;
307 exit;
308 }
309
310 // If cached was not found (or not usable), then read the database and build the response:
311 // Read links from database (and filter private links if used it not logged in).
312 $LINKSDB = new LinkDB(
313 $conf->get('resource.datastore'),
314 $loginManager->isLoggedIn(),
315 $conf->get('privacy.hide_public_links')
316 );
317
318 /* Some Shaarlies may have very few links, so we need to look
319 back in time until we have enough days ($nb_of_days).
320 */
321 $nb_of_days = 7; // We take 7 days.
322 $today = date('Ymd');
323 $days = array();
324
325 foreach ($LINKSDB as $link) {
326 $day = $link['created']->format('Ymd'); // Extract day (without time)
327 if (strcmp($day, $today) < 0) {
328 if (empty($days[$day])) {
329 $days[$day] = array();
330 }
331 $days[$day][] = $link;
332 }
333
334 if (count($days) > $nb_of_days) {
335 break; // Have we collected enough days?
336 }
337 }
338
339 // Build the RSS feed.
340 header('Content-Type: application/rss+xml; charset=utf-8');
341 $pageaddr = escape(index_url($_SERVER));
342 echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">';
343 echo '<channel>';
344 echo '<title>Daily - '. $conf->get('general.title') . '</title>';
345 echo '<link>'. $pageaddr .'</link>';
346 echo '<description>Daily shared links</description>';
347 echo '<language>en-en</language>';
348 echo '<copyright>'. $pageaddr .'</copyright>'. PHP_EOL;
349
350 // For each day.
351 foreach ($days as $day => $links) {
352 $dayDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $day.'_000000');
353 $absurl = escape(index_url($_SERVER).'?do=daily&day='.$day); // Absolute URL of the corresponding "Daily" page.
354
355 // We pre-format some fields for proper output.
356 foreach ($links as &$link) {
357 $link['formatedDescription'] = format_description($link['description']);
358 $link['timestamp'] = $link['created']->getTimestamp();
359 if (is_note($link['url'])) {
360 $link['url'] = index_url($_SERVER) . $link['url']; // make permalink URL absolute
361 }
362 }
363
364 // Then build the HTML for this day:
365 $tpl = new RainTPL;
366 $tpl->assign('title', $conf->get('general.title'));
367 $tpl->assign('daydate', $dayDate->getTimestamp());
368 $tpl->assign('absurl', $absurl);
369 $tpl->assign('links', $links);
370 $tpl->assign('rssdate', escape($dayDate->format(DateTime::RSS)));
371 $tpl->assign('hide_timestamps', $conf->get('privacy.hide_timestamps', false));
372 $tpl->assign('index_url', $pageaddr);
373 $html = $tpl->draw('dailyrss', true);
374
375 echo $html . PHP_EOL;
376 }
377 echo '</channel></rss><!-- Cached version of '. escape(page_url($_SERVER)) .' -->';
378
379 $cache->cache(ob_get_contents());
380 ob_end_flush();
381 exit;
382}
383
384/**
385 * Show the 'Daily' page.
386 *
387 * @param PageBuilder $pageBuilder Template engine wrapper.
388 * @param LinkDB $LINKSDB LinkDB instance.
389 * @param ConfigManager $conf Configuration Manager instance.
390 * @param PluginManager $pluginManager Plugin Manager instance.
391 * @param LoginManager $loginManager Login Manager instance
392 */
393function showDaily($pageBuilder, $LINKSDB, $conf, $pluginManager, $loginManager)
394{
395 if (isset($_GET['day'])) {
396 $day = $_GET['day'];
397 if ($day === date('Ymd', strtotime('now'))) {
398 $pageBuilder->assign('dayDesc', t('Today'));
399 } elseif ($day === date('Ymd', strtotime('-1 days'))) {
400 $pageBuilder->assign('dayDesc', t('Yesterday'));
401 }
402 } else {
403 $day = date('Ymd', strtotime('now')); // Today, in format YYYYMMDD.
404 $pageBuilder->assign('dayDesc', t('Today'));
405 }
406
407 $days = $LINKSDB->days();
408 $i = array_search($day, $days);
409 if ($i === false && count($days)) {
410 // no links for day, but at least one day with links
411 $i = count($days) - 1;
412 $day = $days[$i];
413 }
414 $previousday = '';
415 $nextday = '';
416
417 if ($i !== false) {
418 if ($i >= 1) {
419 $previousday=$days[$i - 1];
420 }
421 if ($i < count($days) - 1) {
422 $nextday = $days[$i + 1];
423 }
424 }
425 try {
426 $linksToDisplay = $LINKSDB->filterDay($day);
427 } catch (Exception $exc) {
428 error_log($exc);
429 $linksToDisplay = array();
430 }
431
432 // We pre-format some fields for proper output.
433 foreach ($linksToDisplay as $key => $link) {
434 $taglist = explode(' ', $link['tags']);
435 uasort($taglist, 'strcasecmp');
436 $linksToDisplay[$key]['taglist']=$taglist;
437 $linksToDisplay[$key]['formatedDescription'] = format_description($link['description']);
438 $linksToDisplay[$key]['timestamp'] = $link['created']->getTimestamp();
439 }
440
441 $dayDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $day.'_000000');
442 $data = array(
443 'pagetitle' => $conf->get('general.title') .' - '. format_date($dayDate, false),
444 'linksToDisplay' => $linksToDisplay,
445 'day' => $dayDate->getTimestamp(),
446 'dayDate' => $dayDate,
447 'previousday' => $previousday,
448 'nextday' => $nextday,
449 );
450
451 /* Hook is called before column construction so that plugins don't have
452 to deal with columns. */
453 $pluginManager->executeHooks('render_daily', $data, array('loggedin' => $loginManager->isLoggedIn()));
454
455 /* We need to spread the articles on 3 columns.
456 I did not want to use a JavaScript lib like http://masonry.desandro.com/
457 so I manually spread entries with a simple method: I roughly evaluate the
458 height of a div according to title and description length.
459 */
460 $columns = array(array(), array(), array()); // Entries to display, for each column.
461 $fill = array(0, 0, 0); // Rough estimate of columns fill.
462 foreach ($data['linksToDisplay'] as $key => $link) {
463 // Roughly estimate length of entry (by counting characters)
464 // Title: 30 chars = 1 line. 1 line is 30 pixels height.
465 // Description: 836 characters gives roughly 342 pixel height.
466 // This is not perfect, but it's usually OK.
467 $length = strlen($link['title']) + (342 * strlen($link['description'])) / 836;
468 if ($link['thumbnail']) {
469 $length += 100; // 1 thumbnails roughly takes 100 pixels height.
470 }
471 // Then put in column which is the less filled:
472 $smallest = min($fill); // find smallest value in array.
473 $index = array_search($smallest, $fill); // find index of this smallest value.
474 array_push($columns[$index], $link); // Put entry in this column.
475 $fill[$index] += $length;
476 }
477
478 $data['cols'] = $columns;
479
480 foreach ($data as $key => $value) {
481 $pageBuilder->assign($key, $value);
482 }
483
484 $pageBuilder->assign('pagetitle', t('Daily') .' - '. $conf->get('general.title', 'Shaarli'));
485 $pageBuilder->renderPage('daily');
486 exit;
487}
488
489/**
490 * Renders the linklist
491 *
492 * @param pageBuilder $PAGE pageBuilder instance.
493 * @param LinkDB $LINKSDB LinkDB instance.
494 * @param ConfigManager $conf Configuration Manager instance.
495 * @param PluginManager $pluginManager Plugin Manager instance.
496 */
497function showLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager)
498{
499 buildLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager);
500 $PAGE->renderPage('linklist');
501}
502
503/**
504 * Render HTML page (according to URL parameters and user rights)
505 *
506 * @param ConfigManager $conf Configuration Manager instance.
507 * @param PluginManager $pluginManager Plugin Manager instance,
508 * @param LinkDB $LINKSDB
509 * @param History $history instance
510 * @param SessionManager $sessionManager SessionManager instance
511 * @param LoginManager $loginManager LoginManager instance
512 */
513function renderPage($conf, $pluginManager, $LINKSDB, $history, $sessionManager, $loginManager)
514{
515 $updater = new Updater(
516 read_updates_file($conf->get('resource.updates')),
517 $LINKSDB,
518 $conf,
519 $loginManager->isLoggedIn(),
520 $_SESSION
521 );
522 try {
523 $newUpdates = $updater->update();
524 if (! empty($newUpdates)) {
525 write_updates_file(
526 $conf->get('resource.updates'),
527 $updater->getDoneUpdates()
528 );
529 }
530 } catch (Exception $e) {
531 die($e->getMessage());
532 }
533
534 $PAGE = new PageBuilder($conf, $_SESSION, $LINKSDB, $sessionManager->generateToken(), $loginManager->isLoggedIn());
535 $PAGE->assign('linkcount', count($LINKSDB));
536 $PAGE->assign('privateLinkcount', count_private($LINKSDB));
537 $PAGE->assign('plugin_errors', $pluginManager->getErrors());
538
539 // Determine which page will be rendered.
540 $query = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : '';
541 $targetPage = Router::findPage($query, $_GET, $loginManager->isLoggedIn());
542
543 if (// if the user isn't logged in
544 !$loginManager->isLoggedIn() &&
545 // and Shaarli doesn't have public content...
546 $conf->get('privacy.hide_public_links') &&
547 // and is configured to enforce the login
548 $conf->get('privacy.force_login') &&
549 // and the current page isn't already the login page
550 $targetPage !== Router::$PAGE_LOGIN &&
551 // and the user is not requesting a feed (which would lead to a different content-type as expected)
552 $targetPage !== Router::$PAGE_FEED_ATOM &&
553 $targetPage !== Router::$PAGE_FEED_RSS
554 ) {
555 // force current page to be the login page
556 $targetPage = Router::$PAGE_LOGIN;
557 }
558
559 // Call plugin hooks for header, footer and includes, specifying which page will be rendered.
560 // Then assign generated data to RainTPL.
561 $common_hooks = array(
562 'includes',
563 'header',
564 'footer',
565 );
566
567 foreach ($common_hooks as $name) {
568 $plugin_data = array();
569 $pluginManager->executeHooks(
570 'render_' . $name,
571 $plugin_data,
572 array(
573 'target' => $targetPage,
574 'loggedin' => $loginManager->isLoggedIn()
575 )
576 );
577 $PAGE->assign('plugins_' . $name, $plugin_data);
578 }
579
580 // -------- Display login form.
581 if ($targetPage == Router::$PAGE_LOGIN) {
582 if ($conf->get('security.open_shaarli')) {
583 header('Location: ?');
584 exit;
585 } // No need to login for open Shaarli
586 if (isset($_GET['username'])) {
587 $PAGE->assign('username', escape($_GET['username']));
588 }
589 $PAGE->assign('returnurl', (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']):''));
590 // add default state of the 'remember me' checkbox
591 $PAGE->assign('remember_user_default', $conf->get('privacy.remember_user_default'));
592 $PAGE->assign('user_can_login', $loginManager->canLogin($_SERVER));
593 $PAGE->assign('pagetitle', t('Login') .' - '. $conf->get('general.title', 'Shaarli'));
594 $PAGE->renderPage('loginform');
595 exit;
596 }
597 // -------- User wants to logout.
598 if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=logout')) {
599 invalidateCaches($conf->get('resource.page_cache'));
600 $sessionManager->logout();
601 setcookie(LoginManager::$STAY_SIGNED_IN_COOKIE, 'false', 0, WEB_PATH);
602 header('Location: ?');
603 exit;
604 }
605
606 // -------- Picture wall
607 if ($targetPage == Router::$PAGE_PICWALL) {
608 $PAGE->assign('pagetitle', t('Picture wall') .' - '. $conf->get('general.title', 'Shaarli'));
609 if (! $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) === Thumbnailer::MODE_NONE) {
610 $PAGE->assign('linksToDisplay', []);
611 $PAGE->renderPage('picwall');
612 exit;
613 }
614
615 // Optionally filter the results:
616 $links = $LINKSDB->filterSearch($_GET);
617 $linksToDisplay = array();
618
619 // Get only links which have a thumbnail.
620 // Note: we do not retrieve thumbnails here, the request is too heavy.
621 foreach ($links as $key => $link) {
622 if (isset($link['thumbnail']) && $link['thumbnail'] !== false) {
623 $linksToDisplay[] = $link; // Add to array.
624 }
625 }
626
627 $data = array(
628 'linksToDisplay' => $linksToDisplay,
629 );
630 $pluginManager->executeHooks('render_picwall', $data, array('loggedin' => $loginManager->isLoggedIn()));
631
632 foreach ($data as $key => $value) {
633 $PAGE->assign($key, $value);
634 }
635
636
637 $PAGE->renderPage('picwall');
638 exit;
639 }
640
641 // -------- Tag cloud
642 if ($targetPage == Router::$PAGE_TAGCLOUD) {
643 $visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
644 $filteringTags = isset($_GET['searchtags']) ? explode(' ', $_GET['searchtags']) : [];
645 $tags = $LINKSDB->linksCountPerTag($filteringTags, $visibility);
646
647 // We sort tags alphabetically, then choose a font size according to count.
648 // First, find max value.
649 $maxcount = 0;
650 foreach ($tags as $value) {
651 $maxcount = max($maxcount, $value);
652 }
653
654 alphabetical_sort($tags, false, true);
655
656 $tagList = array();
657 foreach ($tags as $key => $value) {
658 if (in_array($key, $filteringTags)) {
659 continue;
660 }
661 // Tag font size scaling:
662 // default 15 and 30 logarithm bases affect scaling,
663 // 22 and 6 are arbitrary font sizes for max and min sizes.
664 $size = log($value, 15) / log($maxcount, 30) * 2.2 + 0.8;
665 $tagList[$key] = array(
666 'count' => $value,
667 'size' => number_format($size, 2, '.', ''),
668 );
669 }
670
671 $searchTags = implode(' ', escape($filteringTags));
672 $data = array(
673 'search_tags' => $searchTags,
674 'tags' => $tagList,
675 );
676 $pluginManager->executeHooks('render_tagcloud', $data, array('loggedin' => $loginManager->isLoggedIn()));
677
678 foreach ($data as $key => $value) {
679 $PAGE->assign($key, $value);
680 }
681
682 $searchTags = ! empty($searchTags) ? $searchTags .' - ' : '';
683 $PAGE->assign('pagetitle', $searchTags. t('Tag cloud') .' - '. $conf->get('general.title', 'Shaarli'));
684 $PAGE->renderPage('tag.cloud');
685 exit;
686 }
687
688 // -------- Tag list
689 if ($targetPage == Router::$PAGE_TAGLIST) {
690 $visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
691 $filteringTags = isset($_GET['searchtags']) ? explode(' ', $_GET['searchtags']) : [];
692 $tags = $LINKSDB->linksCountPerTag($filteringTags, $visibility);
693 foreach ($filteringTags as $tag) {
694 if (array_key_exists($tag, $tags)) {
695 unset($tags[$tag]);
696 }
697 }
698
699 if (! empty($_GET['sort']) && $_GET['sort'] === 'alpha') {
700 alphabetical_sort($tags, false, true);
701 }
702
703 $searchTags = implode(' ', escape($filteringTags));
704 $data = [
705 'search_tags' => $searchTags,
706 'tags' => $tags,
707 ];
708 $pluginManager->executeHooks('render_taglist', $data, ['loggedin' => $loginManager->isLoggedIn()]);
709
710 foreach ($data as $key => $value) {
711 $PAGE->assign($key, $value);
712 }
713
714 $searchTags = ! empty($searchTags) ? $searchTags .' - ' : '';
715 $PAGE->assign('pagetitle', $searchTags . t('Tag list') .' - '. $conf->get('general.title', 'Shaarli'));
716 $PAGE->renderPage('tag.list');
717 exit;
718 }
719
720 // Daily page.
721 if ($targetPage == Router::$PAGE_DAILY) {
722 showDaily($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager);
723 }
724
725 // ATOM and RSS feed.
726 if ($targetPage == Router::$PAGE_FEED_ATOM || $targetPage == Router::$PAGE_FEED_RSS) {
727 $feedType = $targetPage == Router::$PAGE_FEED_RSS ? FeedBuilder::$FEED_RSS : FeedBuilder::$FEED_ATOM;
728 header('Content-Type: application/'. $feedType .'+xml; charset=utf-8');
729
730 // Cache system
731 $query = $_SERVER['QUERY_STRING'];
732 $cache = new CachedPage(
733 $conf->get('resource.page_cache'),
734 page_url($_SERVER),
735 startsWith($query, 'do='. $targetPage) && !$loginManager->isLoggedIn()
736 );
737 $cached = $cache->cachedVersion();
738 if (!empty($cached)) {
739 echo $cached;
740 exit;
741 }
742
743 // Generate data.
744 $feedGenerator = new FeedBuilder($LINKSDB, $feedType, $_SERVER, $_GET, $loginManager->isLoggedIn());
745 $feedGenerator->setLocale(strtolower(setlocale(LC_COLLATE, 0)));
746 $feedGenerator->setHideDates($conf->get('privacy.hide_timestamps') && !$loginManager->isLoggedIn());
747 $feedGenerator->setUsePermalinks(isset($_GET['permalinks']) || !$conf->get('feed.rss_permalinks'));
748 $data = $feedGenerator->buildData();
749
750 // Process plugin hook.
751 $pluginManager->executeHooks('render_feed', $data, array(
752 'loggedin' => $loginManager->isLoggedIn(),
753 'target' => $targetPage,
754 ));
755
756 // Render the template.
757 $PAGE->assignAll($data);
758 $PAGE->renderPage('feed.'. $feedType);
759 $cache->cache(ob_get_contents());
760 ob_end_flush();
761 exit;
762 }
763
764 // Display opensearch plugin (XML)
765 if ($targetPage == Router::$PAGE_OPENSEARCH) {
766 header('Content-Type: application/xml; charset=utf-8');
767 $PAGE->assign('serverurl', index_url($_SERVER));
768 $PAGE->renderPage('opensearch');
769 exit;
770 }
771
772 // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...)
773 if (isset($_GET['addtag'])) {
774 // Get previous URL (http_referer) and add the tag to the searchtags parameters in query.
775 if (empty($_SERVER['HTTP_REFERER'])) {
776 // In case browser does not send HTTP_REFERER
777 header('Location: ?searchtags='.urlencode($_GET['addtag']));
778 exit;
779 }
780 parse_str(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_QUERY), $params);
781
782 // Prevent redirection loop
783 if (isset($params['addtag'])) {
784 unset($params['addtag']);
785 }
786
787 // Check if this tag is already in the search query and ignore it if it is.
788 // Each tag is always separated by a space
789 if (isset($params['searchtags'])) {
790 $current_tags = explode(' ', $params['searchtags']);
791 } else {
792 $current_tags = array();
793 }
794 $addtag = true;
795 foreach ($current_tags as $value) {
796 if ($value === $_GET['addtag']) {
797 $addtag = false;
798 break;
799 }
800 }
801 // Append the tag if necessary
802 if (empty($params['searchtags'])) {
803 $params['searchtags'] = trim($_GET['addtag']);
804 } elseif ($addtag) {
805 $params['searchtags'] = trim($params['searchtags']).' '.trim($_GET['addtag']);
806 }
807
808 // We also remove page (keeping the same page has no sense, since the
809 // results are different)
810 unset($params['page']);
811
812 header('Location: ?'.http_build_query($params));
813 exit;
814 }
815
816 // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...)
817 if (isset($_GET['removetag'])) {
818 // Get previous URL (http_referer) and remove the tag from the searchtags parameters in query.
819 if (empty($_SERVER['HTTP_REFERER'])) {
820 header('Location: ?');
821 exit;
822 }
823
824 // In case browser does not send HTTP_REFERER
825 parse_str(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_QUERY), $params);
826
827 // Prevent redirection loop
828 if (isset($params['removetag'])) {
829 unset($params['removetag']);
830 }
831
832 if (isset($params['searchtags'])) {
833 $tags = explode(' ', $params['searchtags']);
834 // Remove value from array $tags.
835 $tags = array_diff($tags, array($_GET['removetag']));
836 $params['searchtags'] = implode(' ', $tags);
837
838 if (empty($params['searchtags'])) {
839 unset($params['searchtags']);
840 }
841
842 // We also remove page (keeping the same page has no sense, since
843 // the results are different)
844 unset($params['page']);
845 }
846 header('Location: ?'.http_build_query($params));
847 exit;
848 }
849
850 // -------- User wants to change the number of links per page (linksperpage=...)
851 if (isset($_GET['linksperpage'])) {
852 if (is_numeric($_GET['linksperpage'])) {
853 $_SESSION['LINKS_PER_PAGE']=abs(intval($_GET['linksperpage']));
854 }
855
856 if (! empty($_SERVER['HTTP_REFERER'])) {
857 $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('linksperpage'));
858 } else {
859 $location = '?';
860 }
861 header('Location: '. $location);
862 exit;
863 }
864
865 // -------- User wants to see only private links (toggle)
866 if (isset($_GET['visibility'])) {
867 if ($_GET['visibility'] === 'private') {
868 // Visibility not set or not already private, set private, otherwise reset it
869 if (empty($_SESSION['visibility']) || $_SESSION['visibility'] !== 'private') {
870 // See only private links
871 $_SESSION['visibility'] = 'private';
872 } else {
873 unset($_SESSION['visibility']);
874 }
875 } elseif ($_GET['visibility'] === 'public') {
876 if (empty($_SESSION['visibility']) || $_SESSION['visibility'] !== 'public') {
877 // See only public links
878 $_SESSION['visibility'] = 'public';
879 } else {
880 unset($_SESSION['visibility']);
881 }
882 }
883
884 if (! empty($_SERVER['HTTP_REFERER'])) {
885 $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('visibility'));
886 } else {
887 $location = '?';
888 }
889 header('Location: '. $location);
890 exit;
891 }
892
893 // -------- User wants to see only untagged links (toggle)
894 if (isset($_GET['untaggedonly'])) {
895 $_SESSION['untaggedonly'] = empty($_SESSION['untaggedonly']);
896
897 if (! empty($_SERVER['HTTP_REFERER'])) {
898 $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('untaggedonly'));
899 } else {
900 $location = '?';
901 }
902 header('Location: '. $location);
903 exit;
904 }
905
906 // -------- Handle other actions allowed for non-logged in users:
907 if (!$loginManager->isLoggedIn()) {
908 // User tries to post new link but is not logged in:
909 // Show login screen, then redirect to ?post=...
910 if (isset($_GET['post'])) {
911 header( // Redirect to login page, then back to post link.
912 'Location: ?do=login&post='.urlencode($_GET['post']).
913 (!empty($_GET['title'])?'&title='.urlencode($_GET['title']):'').
914 (!empty($_GET['description'])?'&description='.urlencode($_GET['description']):'').
915 (!empty($_GET['tags'])?'&tags='.urlencode($_GET['tags']):'').
916 (!empty($_GET['source'])?'&source='.urlencode($_GET['source']):'')
917 );
918 exit;
919 }
920
921 showLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager);
922 if (isset($_GET['edit_link'])) {
923 header('Location: ?do=login&edit_link='. escape($_GET['edit_link']));
924 exit;
925 }
926
927 exit; // Never remove this one! All operations below are reserved for logged in user.
928 }
929
930 // -------- All other functions are reserved for the registered user:
931
932 // -------- Display the Tools menu if requested (import/export/bookmarklet...)
933 if ($targetPage == Router::$PAGE_TOOLS) {
934 $data = [
935 'pageabsaddr' => index_url($_SERVER),
936 'sslenabled' => is_https($_SERVER),
937 ];
938 $pluginManager->executeHooks('render_tools', $data);
939
940 foreach ($data as $key => $value) {
941 $PAGE->assign($key, $value);
942 }
943
944 $PAGE->assign('pagetitle', t('Tools') .' - '. $conf->get('general.title', 'Shaarli'));
945 $PAGE->renderPage('tools');
946 exit;
947 }
948
949 // -------- User wants to change his/her password.
950 if ($targetPage == Router::$PAGE_CHANGEPASSWORD) {
951 if ($conf->get('security.open_shaarli')) {
952 die(t('You are not supposed to change a password on an Open Shaarli.'));
953 }
954
955 if (!empty($_POST['setpassword']) && !empty($_POST['oldpassword'])) {
956 if (!$sessionManager->checkToken($_POST['token'])) {
957 die(t('Wrong token.')); // Go away!
958 }
959
960 // Make sure old password is correct.
961 $oldhash = sha1(
962 $_POST['oldpassword'].$conf->get('credentials.login').$conf->get('credentials.salt')
963 );
964 if ($oldhash != $conf->get('credentials.hash')) {
965 echo '<script>alert("'
966 . t('The old password is not correct.')
967 .'");document.location=\'?do=changepasswd\';</script>';
968 exit;
969 }
970 // Save new password
971 // Salt renders rainbow-tables attacks useless.
972 $conf->set('credentials.salt', sha1(uniqid('', true) .'_'. mt_rand()));
973 $conf->set(
974 'credentials.hash',
975 sha1(
976 $_POST['setpassword']
977 . $conf->get('credentials.login')
978 . $conf->get('credentials.salt')
979 )
980 );
981 try {
982 $conf->write($loginManager->isLoggedIn());
983 } catch (Exception $e) {
984 error_log(
985 'ERROR while writing config file after changing password.' . PHP_EOL .
986 $e->getMessage()
987 );
988
989 // TODO: do not handle exceptions/errors in JS.
990 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=tools\';</script>';
991 exit;
992 }
993 echo '<script>alert("'. t('Your password has been changed') .'");document.location=\'?do=tools\';</script>';
994 exit;
995 } else {
996 // show the change password form.
997 $PAGE->assign('pagetitle', t('Change password') .' - '. $conf->get('general.title', 'Shaarli'));
998 $PAGE->renderPage('changepassword');
999 exit;
1000 }
1001 }
1002
1003 // -------- User wants to change configuration
1004 if ($targetPage == Router::$PAGE_CONFIGURE) {
1005 if (!empty($_POST['title'])) {
1006 if (!$sessionManager->checkToken($_POST['token'])) {
1007 die(t('Wrong token.')); // Go away!
1008 }
1009 $tz = 'UTC';
1010 if (!empty($_POST['continent']) && !empty($_POST['city'])
1011 && isTimeZoneValid($_POST['continent'], $_POST['city'])
1012 ) {
1013 $tz = $_POST['continent'] . '/' . $_POST['city'];
1014 }
1015 $conf->set('general.timezone', $tz);
1016 $conf->set('general.title', escape($_POST['title']));
1017 $conf->set('general.header_link', escape($_POST['titleLink']));
1018 $conf->set('general.retrieve_description', !empty($_POST['retrieveDescription']));
1019 $conf->set('resource.theme', escape($_POST['theme']));
1020 $conf->set('security.session_protection_disabled', !empty($_POST['disablesessionprotection']));
1021 $conf->set('privacy.default_private_links', !empty($_POST['privateLinkByDefault']));
1022 $conf->set('feed.rss_permalinks', !empty($_POST['enableRssPermalinks']));
1023 $conf->set('updates.check_updates', !empty($_POST['updateCheck']));
1024 $conf->set('privacy.hide_public_links', !empty($_POST['hidePublicLinks']));
1025 $conf->set('api.enabled', !empty($_POST['enableApi']));
1026 $conf->set('api.secret', escape($_POST['apiSecret']));
1027 $conf->set('translation.language', escape($_POST['language']));
1028
1029 $thumbnailsMode = extension_loaded('gd') ? $_POST['enableThumbnails'] : Thumbnailer::MODE_NONE;
1030 if ($thumbnailsMode !== Thumbnailer::MODE_NONE
1031 && $thumbnailsMode !== $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE)
1032 ) {
1033 $_SESSION['warnings'][] = t(
1034 'You have enabled or changed thumbnails mode. '
1035 .'<a href="?do=thumbs_update">Please synchronize them</a>.'
1036 );
1037 }
1038 $conf->set('thumbnails.mode', $thumbnailsMode);
1039
1040 try {
1041 $conf->write($loginManager->isLoggedIn());
1042 $history->updateSettings();
1043 invalidateCaches($conf->get('resource.page_cache'));
1044 } catch (Exception $e) {
1045 error_log(
1046 'ERROR while writing config file after configuration update.' . PHP_EOL .
1047 $e->getMessage()
1048 );
1049
1050 // TODO: do not handle exceptions/errors in JS.
1051 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=configure\';</script>';
1052 exit;
1053 }
1054 echo '<script>alert("'. t('Configuration was saved.') .'");document.location=\'?do=configure\';</script>';
1055 exit;
1056 } else {
1057 // Show the configuration form.
1058 $PAGE->assign('title', $conf->get('general.title'));
1059 $PAGE->assign('theme', $conf->get('resource.theme'));
1060 $PAGE->assign('theme_available', ThemeUtils::getThemes($conf->get('resource.raintpl_tpl')));
1061 list($continents, $cities) = generateTimeZoneData(
1062 timezone_identifiers_list(),
1063 $conf->get('general.timezone')
1064 );
1065 $PAGE->assign('continents', $continents);
1066 $PAGE->assign('cities', $cities);
1067 $PAGE->assign('retrieve_description', $conf->get('general.retrieve_description'));
1068 $PAGE->assign('private_links_default', $conf->get('privacy.default_private_links', false));
1069 $PAGE->assign('session_protection_disabled', $conf->get('security.session_protection_disabled', false));
1070 $PAGE->assign('enable_rss_permalinks', $conf->get('feed.rss_permalinks', false));
1071 $PAGE->assign('enable_update_check', $conf->get('updates.check_updates', true));
1072 $PAGE->assign('hide_public_links', $conf->get('privacy.hide_public_links', false));
1073 $PAGE->assign('api_enabled', $conf->get('api.enabled', true));
1074 $PAGE->assign('api_secret', $conf->get('api.secret'));
1075 $PAGE->assign('languages', Languages::getAvailableLanguages());
1076 $PAGE->assign('gd_enabled', extension_loaded('gd'));
1077 $PAGE->assign('thumbnails_mode', $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE));
1078 $PAGE->assign('pagetitle', t('Configure') .' - '. $conf->get('general.title', 'Shaarli'));
1079 $PAGE->renderPage('configure');
1080 exit;
1081 }
1082 }
1083
1084 // -------- User wants to rename a tag or delete it
1085 if ($targetPage == Router::$PAGE_CHANGETAG) {
1086 if (empty($_POST['fromtag']) || (empty($_POST['totag']) && isset($_POST['renametag']))) {
1087 $PAGE->assign('fromtag', ! empty($_GET['fromtag']) ? escape($_GET['fromtag']) : '');
1088 $PAGE->assign('pagetitle', t('Manage tags') .' - '. $conf->get('general.title', 'Shaarli'));
1089 $PAGE->renderPage('changetag');
1090 exit;
1091 }
1092
1093 if (!$sessionManager->checkToken($_POST['token'])) {
1094 die(t('Wrong token.'));
1095 }
1096
1097 $toTag = isset($_POST['totag']) ? escape($_POST['totag']) : null;
1098 $alteredLinks = $LINKSDB->renameTag(escape($_POST['fromtag']), $toTag);
1099 $LINKSDB->save($conf->get('resource.page_cache'));
1100 foreach ($alteredLinks as $link) {
1101 $history->updateLink($link);
1102 }
1103 $delete = empty($_POST['totag']);
1104 $redirect = $delete ? 'do=changetag' : 'searchtags='. urlencode(escape($_POST['totag']));
1105 $count = count($alteredLinks);
1106 $alert = $delete
1107 ? sprintf(t('The tag was removed from %d link.', 'The tag was removed from %d links.', $count), $count)
1108 : sprintf(t('The tag was renamed in %d link.', 'The tag was renamed in %d links.', $count), $count);
1109 echo '<script>alert("'. $alert .'");document.location=\'?'. $redirect .'\';</script>';
1110 exit;
1111 }
1112
1113 // -------- User wants to add a link without using the bookmarklet: Show form.
1114 if ($targetPage == Router::$PAGE_ADDLINK) {
1115 $PAGE->assign('pagetitle', t('Shaare a new link') .' - '. $conf->get('general.title', 'Shaarli'));
1116 $PAGE->renderPage('addlink');
1117 exit;
1118 }
1119
1120 // -------- User clicked the "Save" button when editing a link: Save link to database.
1121 if (isset($_POST['save_edit'])) {
1122 // Go away!
1123 if (! $sessionManager->checkToken($_POST['token'])) {
1124 die(t('Wrong token.'));
1125 }
1126
1127 // lf_id should only be present if the link exists.
1128 $id = isset($_POST['lf_id']) ? intval(escape($_POST['lf_id'])) : $LINKSDB->getNextId();
1129 $link['id'] = $id;
1130 // Linkdate is kept here to:
1131 // - use the same permalink for notes as they're displayed when creating them
1132 // - let users hack creation date of their posts
1133 // See: https://shaarli.readthedocs.io/en/master/guides/various-hacks/#changing-the-timestamp-for-a-shaare
1134 $linkdate = escape($_POST['lf_linkdate']);
1135 $link['created'] = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $linkdate);
1136 if (isset($LINKSDB[$id])) {
1137 // Edit
1138 $link['updated'] = new DateTime();
1139 $link['shorturl'] = $LINKSDB[$id]['shorturl'];
1140 $link['sticky'] = isset($LINKSDB[$id]['sticky']) ? $LINKSDB[$id]['sticky'] : false;
1141 $new = false;
1142 } else {
1143 // New link
1144 $link['updated'] = null;
1145 $link['shorturl'] = link_small_hash($link['created'], $id);
1146 $link['sticky'] = false;
1147 $new = true;
1148 }
1149
1150 // Remove multiple spaces.
1151 $tags = trim(preg_replace('/\s\s+/', ' ', $_POST['lf_tags']));
1152 // Remove first '-' char in tags.
1153 $tags = preg_replace('/(^| )\-/', '$1', $tags);
1154 // Remove duplicates.
1155 $tags = implode(' ', array_unique(explode(' ', $tags)));
1156
1157 if (empty(trim($_POST['lf_url']))) {
1158 $_POST['lf_url'] = '?' . smallHash($linkdate . $id);
1159 }
1160 $url = whitelist_protocols(trim($_POST['lf_url']), $conf->get('security.allowed_protocols'));
1161
1162 $link = array_merge($link, [
1163 'title' => trim($_POST['lf_title']),
1164 'url' => $url,
1165 'description' => $_POST['lf_description'],
1166 'private' => (isset($_POST['lf_private']) ? 1 : 0),
1167 'tags' => str_replace(',', ' ', $tags),
1168 ]);
1169
1170 // If title is empty, use the URL as title.
1171 if ($link['title'] == '') {
1172 $link['title'] = $link['url'];
1173 }
1174
1175 if ($conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE
1176 && ! is_note($link['url'])
1177 ) {
1178 $thumbnailer = new Thumbnailer($conf);
1179 $link['thumbnail'] = $thumbnailer->get($url);
1180 }
1181
1182 $pluginManager->executeHooks('save_link', $link);
1183
1184 $LINKSDB[$id] = $link;
1185 $LINKSDB->save($conf->get('resource.page_cache'));
1186 if ($new) {
1187 $history->addLink($link);
1188 } else {
1189 $history->updateLink($link);
1190 }
1191
1192 // If we are called from the bookmarklet, we must close the popup:
1193 if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) {
1194 echo '<script>self.close();</script>';
1195 exit;
1196 }
1197
1198 $returnurl = !empty($_POST['returnurl']) ? $_POST['returnurl'] : '?';
1199 $location = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link'));
1200 // Scroll to the link which has been edited.
1201 $location .= '#' . $link['shorturl'];
1202 // After saving the link, redirect to the page the user was on.
1203 header('Location: '. $location);
1204 exit;
1205 }
1206
1207 // -------- User clicked the "Cancel" button when editing a link.
1208 if (isset($_POST['cancel_edit'])) {
1209 $id = isset($_POST['lf_id']) ? (int) escape($_POST['lf_id']) : false;
1210 if (! isset($LINKSDB[$id])) {
1211 header('Location: ?');
1212 }
1213 // If we are called from the bookmarklet, we must close the popup:
1214 if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) {
1215 echo '<script>self.close();</script>';
1216 exit;
1217 }
1218 $link = $LINKSDB[$id];
1219 $returnurl = ( isset($_POST['returnurl']) ? $_POST['returnurl'] : '?' );
1220 // Scroll to the link which has been edited.
1221 $returnurl .= '#'. $link['shorturl'];
1222 $returnurl = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link'));
1223 header('Location: '.$returnurl); // After canceling, redirect to the page the user was on.
1224 exit;
1225 }
1226
1227 // -------- User clicked the "Delete" button when editing a link: Delete link from database.
1228 if ($targetPage == Router::$PAGE_DELETELINK) {
1229 if (! $sessionManager->checkToken($_GET['token'])) {
1230 die(t('Wrong token.'));
1231 }
1232
1233 $ids = trim($_GET['lf_linkdate']);
1234 if (strpos($ids, ' ') !== false) {
1235 // multiple, space-separated ids provided
1236 $ids = array_values(array_filter(preg_split('/\s+/', escape($ids))));
1237 } else {
1238 // only a single id provided
1239 $ids = [$ids];
1240 }
1241 // assert at least one id is given
1242 if (!count($ids)) {
1243 die('no id provided');
1244 }
1245 foreach ($ids as $id) {
1246 $id = (int) escape($id);
1247 $link = $LINKSDB[$id];
1248 $pluginManager->executeHooks('delete_link', $link);
1249 $history->deleteLink($link);
1250 unset($LINKSDB[$id]);
1251 }
1252 $LINKSDB->save($conf->get('resource.page_cache')); // save to disk
1253
1254 // If we are called from the bookmarklet, we must close the popup:
1255 if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) {
1256 echo '<script>self.close();</script>';
1257 exit;
1258 }
1259
1260 $location = '?';
1261 if (isset($_SERVER['HTTP_REFERER'])) {
1262 // Don't redirect to where we were previously if it was a permalink or an edit_link, because it would 404.
1263 $location = generateLocation(
1264 $_SERVER['HTTP_REFERER'],
1265 $_SERVER['HTTP_HOST'],
1266 ['delete_link', 'edit_link', $link['shorturl']]
1267 );
1268 }
1269
1270 header('Location: ' . $location); // After deleting the link, redirect to appropriate location
1271 exit;
1272 }
1273
1274 // -------- User clicked either "Set public" or "Set private" bulk operation
1275 if ($targetPage == Router::$PAGE_CHANGE_VISIBILITY) {
1276 if (! $sessionManager->checkToken($_GET['token'])) {
1277 die(t('Wrong token.'));
1278 }
1279
1280 $ids = trim($_GET['ids']);
1281 if (strpos($ids, ' ') !== false) {
1282 // multiple, space-separated ids provided
1283 $ids = array_values(array_filter(preg_split('/\s+/', escape($ids))));
1284 } else {
1285 // only a single id provided
1286 $ids = [$ids];
1287 }
1288
1289 // assert at least one id is given
1290 if (!count($ids)) {
1291 die('no id provided');
1292 }
1293 // assert that the visibility is valid
1294 if (!isset($_GET['newVisibility']) || !in_array($_GET['newVisibility'], ['public', 'private'])) {
1295 die('invalid visibility');
1296 } else {
1297 $private = $_GET['newVisibility'] === 'private';
1298 }
1299 foreach ($ids as $id) {
1300 $id = (int) escape($id);
1301 $link = $LINKSDB[$id];
1302 $link['private'] = $private;
1303 $pluginManager->executeHooks('save_link', $link);
1304 $LINKSDB[$id] = $link;
1305 }
1306 $LINKSDB->save($conf->get('resource.page_cache')); // save to disk
1307
1308 $location = '?';
1309 if (isset($_SERVER['HTTP_REFERER'])) {
1310 $location = generateLocation(
1311 $_SERVER['HTTP_REFERER'],
1312 $_SERVER['HTTP_HOST']
1313 );
1314 }
1315 header('Location: ' . $location); // After deleting the link, redirect to appropriate location
1316 exit;
1317 }
1318
1319 // -------- User clicked the "EDIT" button on a link: Display link edit form.
1320 if (isset($_GET['edit_link'])) {
1321 $id = (int) escape($_GET['edit_link']);
1322 $link = $LINKSDB[$id]; // Read database
1323 if (!$link) {
1324 header('Location: ?');
1325 exit;
1326 } // Link not found in database.
1327 $link['linkdate'] = $link['created']->format(LinkDB::LINK_DATE_FORMAT);
1328 $data = array(
1329 'link' => $link,
1330 'link_is_new' => false,
1331 'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
1332 'tags' => $LINKSDB->linksCountPerTag(),
1333 );
1334 $pluginManager->executeHooks('render_editlink', $data);
1335
1336 foreach ($data as $key => $value) {
1337 $PAGE->assign($key, $value);
1338 }
1339
1340 $PAGE->assign('pagetitle', t('Edit') .' '. t('Shaare') .' - '. $conf->get('general.title', 'Shaarli'));
1341 $PAGE->renderPage('editlink');
1342 exit;
1343 }
1344
1345 // -------- User want to post a new link: Display link edit form.
1346 if (isset($_GET['post'])) {
1347 $url = cleanup_url($_GET['post']);
1348
1349 $link_is_new = false;
1350 // Check if URL is not already in database (in this case, we will edit the existing link)
1351 $link = $LINKSDB->getLinkFromUrl($url);
1352 if (! $link) {
1353 $link_is_new = true;
1354 $linkdate = strval(date(LinkDB::LINK_DATE_FORMAT));
1355 // Get title if it was provided in URL (by the bookmarklet).
1356 $title = empty($_GET['title']) ? '' : escape($_GET['title']);
1357 // Get description if it was provided in URL (by the bookmarklet). [Bronco added that]
1358 $description = empty($_GET['description']) ? '' : escape($_GET['description']);
1359 $tags = empty($_GET['tags']) ? '' : escape($_GET['tags']);
1360 $private = !empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0;
1361
1362 // If this is an HTTP(S) link, we try go get the page to extract
1363 // the title (otherwise we will to straight to the edit form.)
1364 if (empty($title) && strpos(get_url_scheme($url), 'http') !== false) {
1365 $retrieveDescription = $conf->get('general.retrieve_description');
1366 // Short timeout to keep the application responsive
1367 // The callback will fill $charset and $title with data from the downloaded page.
1368 get_http_response(
1369 $url,
1370 $conf->get('general.download_timeout', 30),
1371 $conf->get('general.download_max_size', 4194304),
1372 get_curl_download_callback($charset, $title, $description, $tags, $retrieveDescription)
1373 );
1374 if (! empty($title) && strtolower($charset) != 'utf-8') {
1375 $title = mb_convert_encoding($title, 'utf-8', $charset);
1376 }
1377 }
1378
1379 if ($url == '') {
1380 $url = '?' . smallHash($linkdate . $LINKSDB->getNextId());
1381 $title = $conf->get('general.default_note_title', t('Note: '));
1382 }
1383 $url = escape($url);
1384 $title = escape($title);
1385
1386 $link = array(
1387 'linkdate' => $linkdate,
1388 'title' => $title,
1389 'url' => $url,
1390 'description' => $description,
1391 'tags' => $tags,
1392 'private' => $private,
1393 );
1394 } else {
1395 $link['linkdate'] = $link['created']->format(LinkDB::LINK_DATE_FORMAT);
1396 }
1397
1398 $data = array(
1399 'link' => $link,
1400 'link_is_new' => $link_is_new,
1401 'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
1402 'source' => (isset($_GET['source']) ? $_GET['source'] : ''),
1403 'tags' => $LINKSDB->linksCountPerTag(),
1404 'default_private_links' => $conf->get('privacy.default_private_links', false),
1405 );
1406 $pluginManager->executeHooks('render_editlink', $data);
1407
1408 foreach ($data as $key => $value) {
1409 $PAGE->assign($key, $value);
1410 }
1411
1412 $PAGE->assign('pagetitle', t('Shaare') .' - '. $conf->get('general.title', 'Shaarli'));
1413 $PAGE->renderPage('editlink');
1414 exit;
1415 }
1416
1417 if ($targetPage == Router::$PAGE_PINLINK) {
1418 if (! isset($_GET['id']) || empty($LINKSDB[$_GET['id']])) {
1419 // FIXME! Use a proper error system.
1420 $msg = t('Invalid link ID provided');
1421 echo '<script>alert("'. $msg .'");document.location=\''. index_url($_SERVER) .'\';</script>';
1422 exit;
1423 }
1424 if (! $sessionManager->checkToken($_GET['token'])) {
1425 die('Wrong token.');
1426 }
1427
1428 $link = $LINKSDB[$_GET['id']];
1429 $link['sticky'] = ! $link['sticky'];
1430 $LINKSDB[(int) $_GET['id']] = $link;
1431 $LINKSDB->save($conf->get('resource.page_cache'));
1432 header('Location: '.index_url($_SERVER));
1433 exit;
1434 }
1435
1436 if ($targetPage == Router::$PAGE_EXPORT) {
1437 // Export links as a Netscape Bookmarks file
1438
1439 if (empty($_GET['selection'])) {
1440 $PAGE->assign('pagetitle', t('Export') .' - '. $conf->get('general.title', 'Shaarli'));
1441 $PAGE->renderPage('export');
1442 exit;
1443 }
1444
1445 // export as bookmarks_(all|private|public)_YYYYmmdd_HHMMSS.html
1446 $selection = $_GET['selection'];
1447 if (isset($_GET['prepend_note_url'])) {
1448 $prependNoteUrl = $_GET['prepend_note_url'];
1449 } else {
1450 $prependNoteUrl = false;
1451 }
1452
1453 try {
1454 $PAGE->assign(
1455 'links',
1456 NetscapeBookmarkUtils::filterAndFormat(
1457 $LINKSDB,
1458 $selection,
1459 $prependNoteUrl,
1460 index_url($_SERVER)
1461 )
1462 );
1463 } catch (Exception $exc) {
1464 header('Content-Type: text/plain; charset=utf-8');
1465 echo $exc->getMessage();
1466 exit;
1467 }
1468 $now = new DateTime();
1469 header('Content-Type: text/html; charset=utf-8');
1470 header(
1471 'Content-disposition: attachment; filename=bookmarks_'
1472 .$selection.'_'.$now->format(LinkDB::LINK_DATE_FORMAT).'.html'
1473 );
1474 $PAGE->assign('date', $now->format(DateTime::RFC822));
1475 $PAGE->assign('eol', PHP_EOL);
1476 $PAGE->assign('selection', $selection);
1477 $PAGE->renderPage('export.bookmarks');
1478 exit;
1479 }
1480
1481 if ($targetPage == Router::$PAGE_IMPORT) {
1482 // Upload a Netscape bookmark dump to import its contents
1483
1484 if (! isset($_POST['token']) || ! isset($_FILES['filetoupload'])) {
1485 // Show import dialog
1486 $PAGE->assign(
1487 'maxfilesize',
1488 get_max_upload_size(
1489 ini_get('post_max_size'),
1490 ini_get('upload_max_filesize'),
1491 false
1492 )
1493 );
1494 $PAGE->assign(
1495 'maxfilesizeHuman',
1496 get_max_upload_size(
1497 ini_get('post_max_size'),
1498 ini_get('upload_max_filesize'),
1499 true
1500 )
1501 );
1502 $PAGE->assign('pagetitle', t('Import') .' - '. $conf->get('general.title', 'Shaarli'));
1503 $PAGE->renderPage('import');
1504 exit;
1505 }
1506
1507 // Import bookmarks from an uploaded file
1508 if (isset($_FILES['filetoupload']['size']) && $_FILES['filetoupload']['size'] == 0) {
1509 // The file is too big or some form field may be missing.
1510 $msg = sprintf(
1511 t(
1512 'The file you are trying to upload is probably bigger than what this webserver can accept'
1513 .' (%s). Please upload in smaller chunks.'
1514 ),
1515 get_max_upload_size(ini_get('post_max_size'), ini_get('upload_max_filesize'))
1516 );
1517 echo '<script>alert("'. $msg .'");document.location=\'?do='.Router::$PAGE_IMPORT .'\';</script>';
1518 exit;
1519 }
1520 if (! $sessionManager->checkToken($_POST['token'])) {
1521 die('Wrong token.');
1522 }
1523 $status = NetscapeBookmarkUtils::import(
1524 $_POST,
1525 $_FILES,
1526 $LINKSDB,
1527 $conf,
1528 $history
1529 );
1530 echo '<script>alert("'.$status.'");document.location=\'?do='
1531 .Router::$PAGE_IMPORT .'\';</script>';
1532 exit;
1533 }
1534
1535 // Plugin administration page
1536 if ($targetPage == Router::$PAGE_PLUGINSADMIN) {
1537 $pluginMeta = $pluginManager->getPluginsMeta();
1538
1539 // Split plugins into 2 arrays: ordered enabled plugins and disabled.
1540 $enabledPlugins = array_filter($pluginMeta, function ($v) {
1541 return $v['order'] !== false;
1542 });
1543 // Load parameters.
1544 $enabledPlugins = load_plugin_parameter_values($enabledPlugins, $conf->get('plugins', array()));
1545 uasort(
1546 $enabledPlugins,
1547 function ($a, $b) {
1548 return $a['order'] - $b['order'];
1549 }
1550 );
1551 $disabledPlugins = array_filter($pluginMeta, function ($v) {
1552 return $v['order'] === false;
1553 });
1554
1555 $PAGE->assign('enabledPlugins', $enabledPlugins);
1556 $PAGE->assign('disabledPlugins', $disabledPlugins);
1557 $PAGE->assign('pagetitle', t('Plugin administration') .' - '. $conf->get('general.title', 'Shaarli'));
1558 $PAGE->renderPage('pluginsadmin');
1559 exit;
1560 }
1561
1562 // Plugin administration form action
1563 if ($targetPage == Router::$PAGE_SAVE_PLUGINSADMIN) {
1564 try {
1565 if (isset($_POST['parameters_form'])) {
1566 $pluginManager->executeHooks('save_plugin_parameters', $_POST);
1567 unset($_POST['parameters_form']);
1568 foreach ($_POST as $param => $value) {
1569 $conf->set('plugins.'. $param, escape($value));
1570 }
1571 } else {
1572 $conf->set('general.enabled_plugins', save_plugin_config($_POST));
1573 }
1574 $conf->write($loginManager->isLoggedIn());
1575 $history->updateSettings();
1576 } catch (Exception $e) {
1577 error_log(
1578 'ERROR while saving plugin configuration:.' . PHP_EOL .
1579 $e->getMessage()
1580 );
1581
1582 // TODO: do not handle exceptions/errors in JS.
1583 echo '<script>alert("'
1584 . $e->getMessage()
1585 .'");document.location=\'?do='
1586 . Router::$PAGE_PLUGINSADMIN
1587 .'\';</script>';
1588 exit;
1589 }
1590 header('Location: ?do='. Router::$PAGE_PLUGINSADMIN);
1591 exit;
1592 }
1593
1594 // Get a fresh token
1595 if ($targetPage == Router::$GET_TOKEN) {
1596 header('Content-Type:text/plain');
1597 echo $sessionManager->generateToken($conf);
1598 exit;
1599 }
1600
1601 // -------- Thumbnails Update
1602 if ($targetPage == Router::$PAGE_THUMBS_UPDATE) {
1603 $ids = [];
1604 foreach ($LINKSDB as $link) {
1605 // A note or not HTTP(S)
1606 if (is_note($link['url']) || ! startsWith(strtolower($link['url']), 'http')) {
1607 continue;
1608 }
1609 $ids[] = $link['id'];
1610 }
1611 $PAGE->assign('ids', $ids);
1612 $PAGE->assign('pagetitle', t('Thumbnails update') .' - '. $conf->get('general.title', 'Shaarli'));
1613 $PAGE->renderPage('thumbnails');
1614 exit;
1615 }
1616
1617 // -------- Single Thumbnail Update
1618 if ($targetPage == Router::$AJAX_THUMB_UPDATE) {
1619 if (! isset($_POST['id']) || ! ctype_digit($_POST['id'])) {
1620 http_response_code(400);
1621 exit;
1622 }
1623 $id = (int) $_POST['id'];
1624 if (empty($LINKSDB[$id])) {
1625 http_response_code(404);
1626 exit;
1627 }
1628 $thumbnailer = new Thumbnailer($conf);
1629 $link = $LINKSDB[$id];
1630 $link['thumbnail'] = $thumbnailer->get($link['url']);
1631 $LINKSDB[$id] = $link;
1632 $LINKSDB->save($conf->get('resource.page_cache'));
1633
1634 echo json_encode($link);
1635 exit;
1636 }
1637
1638 // -------- Otherwise, simply display search form and links:
1639 showLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager);
1640 exit;
1641}
1642
1643/**
1644 * Template for the list of links (<div id="linklist">)
1645 * This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
1646 *
1647 * @param pageBuilder $PAGE pageBuilder instance.
1648 * @param LinkDB $LINKSDB LinkDB instance.
1649 * @param ConfigManager $conf Configuration Manager instance.
1650 * @param PluginManager $pluginManager Plugin Manager instance.
1651 * @param LoginManager $loginManager LoginManager instance
1652 */
1653function buildLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager)
1654{
1655 // Used in templates
1656 if (isset($_GET['searchtags'])) {
1657 if (! empty($_GET['searchtags'])) {
1658 $searchtags = escape(normalize_spaces($_GET['searchtags']));
1659 } else {
1660 $searchtags = false;
1661 }
1662 } else {
1663 $searchtags = '';
1664 }
1665 $searchterm = !empty($_GET['searchterm']) ? escape(normalize_spaces($_GET['searchterm'])) : '';
1666
1667 // Smallhash filter
1668 if (! empty($_SERVER['QUERY_STRING'])
1669 && preg_match('/^[a-zA-Z0-9-_@]{6}($|&|#)/', $_SERVER['QUERY_STRING'])) {
1670 try {
1671 $linksToDisplay = $LINKSDB->filterHash($_SERVER['QUERY_STRING']);
1672 } catch (LinkNotFoundException $e) {
1673 $PAGE->render404($e->getMessage());
1674 exit;
1675 }
1676 } else {
1677 // Filter links according search parameters.
1678 $visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
1679 $request = [
1680 'searchtags' => $searchtags,
1681 'searchterm' => $searchterm,
1682 ];
1683 $linksToDisplay = $LINKSDB->filterSearch($request, false, $visibility, !empty($_SESSION['untaggedonly']));
1684 }
1685
1686 // ---- Handle paging.
1687 $keys = array();
1688 foreach ($linksToDisplay as $key => $value) {
1689 $keys[] = $key;
1690 }
1691
1692 // Select articles according to paging.
1693 $pagecount = ceil(count($keys) / $_SESSION['LINKS_PER_PAGE']);
1694 $pagecount = $pagecount == 0 ? 1 : $pagecount;
1695 $page= empty($_GET['page']) ? 1 : intval($_GET['page']);
1696 $page = $page < 1 ? 1 : $page;
1697 $page = $page > $pagecount ? $pagecount : $page;
1698 // Start index.
1699 $i = ($page-1) * $_SESSION['LINKS_PER_PAGE'];
1700 $end = $i + $_SESSION['LINKS_PER_PAGE'];
1701
1702 $thumbnailsEnabled = $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE;
1703 if ($thumbnailsEnabled) {
1704 $thumbnailer = new Thumbnailer($conf);
1705 }
1706
1707 $linkDisp = array();
1708 while ($i<$end && $i<count($keys)) {
1709 $link = $linksToDisplay[$keys[$i]];
1710 $link['description'] = format_description($link['description']);
1711 $classLi = ($i % 2) != 0 ? '' : 'publicLinkHightLight';
1712 $link['class'] = $link['private'] == 0 ? $classLi : 'private';
1713 $link['timestamp'] = $link['created']->getTimestamp();
1714 if (! empty($link['updated'])) {
1715 $link['updated_timestamp'] = $link['updated']->getTimestamp();
1716 } else {
1717 $link['updated_timestamp'] = '';
1718 }
1719 $taglist = preg_split('/\s+/', $link['tags'], -1, PREG_SPLIT_NO_EMPTY);
1720 uasort($taglist, 'strcasecmp');
1721 $link['taglist'] = $taglist;
1722
1723 // Logged in, thumbnails enabled, not a note,
1724 // and (never retrieved yet or no valid cache file)
1725 if ($loginManager->isLoggedIn() && $thumbnailsEnabled && $link['url'][0] != '?'
1726 && (! isset($link['thumbnail']) || ($link['thumbnail'] !== false && ! is_file($link['thumbnail'])))
1727 ) {
1728 $elem = $LINKSDB[$keys[$i]];
1729 $elem['thumbnail'] = $thumbnailer->get($link['url']);
1730 $LINKSDB[$keys[$i]] = $elem;
1731 $updateDB = true;
1732 $link['thumbnail'] = $elem['thumbnail'];
1733 }
1734
1735 // Check for both signs of a note: starting with ? and 7 chars long.
1736 if ($link['url'][0] === '?' && strlen($link['url']) === 7) {
1737 $link['url'] = index_url($_SERVER) . $link['url'];
1738 }
1739
1740 $linkDisp[$keys[$i]] = $link;
1741 $i++;
1742 }
1743
1744 // If we retrieved new thumbnails, we update the database.
1745 if (!empty($updateDB)) {
1746 $LINKSDB->save($conf->get('resource.page_cache'));
1747 }
1748
1749 // Compute paging navigation
1750 $searchtagsUrl = $searchtags === '' ? '' : '&searchtags=' . urlencode($searchtags);
1751 $searchtermUrl = empty($searchterm) ? '' : '&searchterm=' . urlencode($searchterm);
1752 $previous_page_url = '';
1753 if ($i != count($keys)) {
1754 $previous_page_url = '?page=' . ($page+1) . $searchtermUrl . $searchtagsUrl;
1755 }
1756 $next_page_url='';
1757 if ($page>1) {
1758 $next_page_url = '?page=' . ($page-1) . $searchtermUrl . $searchtagsUrl;
1759 }
1760
1761 // Fill all template fields.
1762 $data = array(
1763 'previous_page_url' => $previous_page_url,
1764 'next_page_url' => $next_page_url,
1765 'page_current' => $page,
1766 'page_max' => $pagecount,
1767 'result_count' => count($linksToDisplay),
1768 'search_term' => $searchterm,
1769 'search_tags' => $searchtags,
1770 'visibility' => ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '',
1771 'links' => $linkDisp,
1772 );
1773
1774 // If there is only a single link, we change on-the-fly the title of the page.
1775 if (count($linksToDisplay) == 1) {
1776 $data['pagetitle'] = $linksToDisplay[$keys[0]]['title'] .' - '. $conf->get('general.title');
1777 } elseif (! empty($searchterm) || ! empty($searchtags)) {
1778 $data['pagetitle'] = t('Search: ');
1779 $data['pagetitle'] .= ! empty($searchterm) ? $searchterm .' ' : '';
1780 $bracketWrap = function ($tag) {
1781 return '['. $tag .']';
1782 };
1783 $data['pagetitle'] .= ! empty($searchtags)
1784 ? implode(' ', array_map($bracketWrap, preg_split('/\s+/', $searchtags))).' '
1785 : '';
1786 $data['pagetitle'] .= '- '. $conf->get('general.title');
1787 }
1788
1789 $pluginManager->executeHooks('render_linklist', $data, array('loggedin' => $loginManager->isLoggedIn()));
1790
1791 foreach ($data as $key => $value) {
1792 $PAGE->assign($key, $value);
1793 }
1794
1795 return;
1796}
1797
1798/**
1799 * Installation
1800 * This function should NEVER be called if the file data/config.php exists.
1801 *
1802 * @param ConfigManager $conf Configuration Manager instance.
1803 * @param SessionManager $sessionManager SessionManager instance
1804 * @param LoginManager $loginManager LoginManager instance
1805 */
1806function install($conf, $sessionManager, $loginManager)
1807{
1808 // On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
1809 if (endsWith($_SERVER['HTTP_HOST'], '.free.fr') && !is_dir($_SERVER['DOCUMENT_ROOT'].'/sessions')) {
1810 mkdir($_SERVER['DOCUMENT_ROOT'].'/sessions', 0705);
1811 }
1812
1813
1814 // This part makes sure sessions works correctly.
1815 // (Because on some hosts, session.save_path may not be set correctly,
1816 // or we may not have write access to it.)
1817 if (isset($_GET['test_session'])
1818 && ( !isset($_SESSION) || !isset($_SESSION['session_tested']) || $_SESSION['session_tested']!='Working')) {
1819 // Step 2: Check if data in session is correct.
1820 $msg = t(
1821 '<pre>Sessions do not seem to work correctly on your server.<br>'.
1822 'Make sure the variable "session.save_path" is set correctly in your PHP config, '.
1823 'and that you have write access to it.<br>'.
1824 'It currently points to %s.<br>'.
1825 'On some browsers, accessing your server via a hostname like \'localhost\' '.
1826 'or any custom hostname without a dot causes cookie storage to fail. '.
1827 'We recommend accessing your server via it\'s IP address or Fully Qualified Domain Name.<br>'
1828 );
1829 $msg = sprintf($msg, session_save_path());
1830 echo $msg;
1831 echo '<br><a href="?">'. t('Click to try again.') .'</a></pre>';
1832 die;
1833 }
1834 if (!isset($_SESSION['session_tested'])) {
1835 // Step 1 : Try to store data in session and reload page.
1836 $_SESSION['session_tested'] = 'Working'; // Try to set a variable in session.
1837 header('Location: '.index_url($_SERVER).'?test_session'); // Redirect to check stored data.
1838 }
1839 if (isset($_GET['test_session'])) {
1840 // Step 3: Sessions are OK. Remove test parameter from URL.
1841 header('Location: '.index_url($_SERVER));
1842 }
1843
1844
1845 if (!empty($_POST['setlogin']) && !empty($_POST['setpassword'])) {
1846 $tz = 'UTC';
1847 if (!empty($_POST['continent']) && !empty($_POST['city'])
1848 && isTimeZoneValid($_POST['continent'], $_POST['city'])
1849 ) {
1850 $tz = $_POST['continent'].'/'.$_POST['city'];
1851 }
1852 $conf->set('general.timezone', $tz);
1853 $login = $_POST['setlogin'];
1854 $conf->set('credentials.login', $login);
1855 $salt = sha1(uniqid('', true) .'_'. mt_rand());
1856 $conf->set('credentials.salt', $salt);
1857 $conf->set('credentials.hash', sha1($_POST['setpassword'] . $login . $salt));
1858 if (!empty($_POST['title'])) {
1859 $conf->set('general.title', escape($_POST['title']));
1860 } else {
1861 $conf->set('general.title', 'Shared links on '.escape(index_url($_SERVER)));
1862 }
1863 $conf->set('translation.language', escape($_POST['language']));
1864 $conf->set('updates.check_updates', !empty($_POST['updateCheck']));
1865 $conf->set('api.enabled', !empty($_POST['enableApi']));
1866 $conf->set(
1867 'api.secret',
1868 generate_api_secret(
1869 $conf->get('credentials.login'),
1870 $conf->get('credentials.salt')
1871 )
1872 );
1873 try {
1874 // Everything is ok, let's create config file.
1875 $conf->write($loginManager->isLoggedIn());
1876 } catch (Exception $e) {
1877 error_log(
1878 'ERROR while writing config file after installation.' . PHP_EOL .
1879 $e->getMessage()
1880 );
1881
1882 // TODO: do not handle exceptions/errors in JS.
1883 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?\';</script>';
1884 exit;
1885 }
1886 echo '<script>alert('
1887 .'"Shaarli is now configured. '
1888 .'Please enter your login/password and start shaaring your links!"'
1889 .');document.location=\'?do=login\';</script>';
1890 exit;
1891 }
1892
1893 $PAGE = new PageBuilder($conf, $_SESSION, null, $sessionManager->generateToken());
1894 list($continents, $cities) = generateTimeZoneData(timezone_identifiers_list(), date_default_timezone_get());
1895 $PAGE->assign('continents', $continents);
1896 $PAGE->assign('cities', $cities);
1897 $PAGE->assign('languages', Languages::getAvailableLanguages());
1898 $PAGE->renderPage('install');
1899 exit;
1900}
1901
1902if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=dailyrss')) {
1903 showDailyRSS($conf, $loginManager);
1904 exit;
1905}
1906
1907if (!isset($_SESSION['LINKS_PER_PAGE'])) {
1908 $_SESSION['LINKS_PER_PAGE'] = $conf->get('general.links_per_page', 20);
1909}
1910
1911try {
1912 $history = new History($conf->get('resource.history'));
1913} catch (Exception $e) {
1914 die($e->getMessage());
1915}
1916
1917$linkDb = new LinkDB(
1918 $conf->get('resource.datastore'),
1919 $loginManager->isLoggedIn(),
1920 $conf->get('privacy.hide_public_links')
1921);
1922
1923$container = new \Slim\Container();
1924$container['conf'] = $conf;
1925$container['plugins'] = $pluginManager;
1926$container['history'] = $history;
1927$app = new \Slim\App($container);
1928
1929// REST API routes
1930$app->group('/api/v1', function () {
1931 $this->get('/info', '\Shaarli\Api\Controllers\Info:getInfo')->setName('getInfo');
1932 $this->get('/links', '\Shaarli\Api\Controllers\Links:getLinks')->setName('getLinks');
1933 $this->get('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:getLink')->setName('getLink');
1934 $this->post('/links', '\Shaarli\Api\Controllers\Links:postLink')->setName('postLink');
1935 $this->put('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:putLink')->setName('putLink');
1936 $this->delete('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:deleteLink')->setName('deleteLink');
1937
1938 $this->get('/tags', '\Shaarli\Api\Controllers\Tags:getTags')->setName('getTags');
1939 $this->get('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:getTag')->setName('getTag');
1940 $this->put('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:putTag')->setName('putTag');
1941 $this->delete('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:deleteTag')->setName('deleteTag');
1942
1943 $this->get('/history', '\Shaarli\Api\Controllers\HistoryController:getHistory')->setName('getHistory');
1944})->add('\Shaarli\Api\ApiMiddleware');
1945
1946$response = $app->run(true);
1947
1948// Hack to make Slim and Shaarli router work together:
1949// If a Slim route isn't found and NOT API call, we call renderPage().
1950if ($response->getStatusCode() == 404 && strpos($_SERVER['REQUEST_URI'], '/api/v1') === false) {
1951 // We use UTF-8 for proper international characters handling.
1952 header('Content-Type: text/html; charset=utf-8');
1953 renderPage($conf, $pluginManager, $linkDb, $history, $sessionManager, $loginManager);
1954} else {
1955 $response = $response
1956 ->withHeader('Access-Control-Allow-Origin', '*')
1957 ->withHeader(
1958 'Access-Control-Allow-Headers',
1959 'X-Requested-With, Content-Type, Accept, Origin, Authorization'
1960 )
1961 ->withHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
1962 $app->respond($response);
1963}
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