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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
15// Set 'UTC' as the default timezone if it is not defined in php.ini
16// See http://php.net/manual/en/datetime.configuration.php#ini.date.timezone
17if (date_default_timezone_get() == '') {
18 date_default_timezone_set('UTC');
19}
20
21/*
22 * PHP configuration
23 */
24
25// http://server.com/x/shaarli --> /shaarli/
26define('WEB_PATH', substr($_SERVER['REQUEST_URI'], 0, 1+strrpos($_SERVER['REQUEST_URI'], '/', 0)));
27
28// High execution time in case of problematic imports/exports.
29ini_set('max_input_time', '60');
30
31// Try to set max upload file size and read
32ini_set('memory_limit', '128M');
33ini_set('post_max_size', '16M');
34ini_set('upload_max_filesize', '16M');
35
36// See all error except warnings
37error_reporting(E_ALL^E_WARNING);
38// See all errors (for debugging only)
39//error_reporting(-1);
40
41
42// 3rd-party libraries
43if (! file_exists(__DIR__ . '/vendor/autoload.php')) {
44 header('Content-Type: text/plain; charset=utf-8');
45 echo "Error: missing Composer configuration\n\n"
46 ."If you installed Shaarli through Git or using the development branch,\n"
47 ."please refer to the installation documentation to install PHP"
48 ." dependencies using Composer:\n"
49 ."- https://shaarli.readthedocs.io/en/master/Server-configuration/\n"
50 ."- https://shaarli.readthedocs.io/en/master/Download-and-Installation/";
51 exit;
52}
53require_once 'inc/rain.tpl.class.php';
54require_once __DIR__ . '/vendor/autoload.php';
55
56// Shaarli library
57require_once 'application/bookmark/LinkUtils.php';
58require_once 'application/config/ConfigPlugin.php';
59require_once 'application/feed/Cache.php';
60require_once 'application/http/HttpUtils.php';
61require_once 'application/http/UrlUtils.php';
62require_once 'application/updater/UpdaterUtils.php';
63require_once 'application/FileUtils.php';
64require_once 'application/TimeZone.php';
65require_once 'application/Utils.php';
66
67use \Shaarli\ApplicationUtils;
68use \Shaarli\Bookmark\Exception\LinkNotFoundException;
69use \Shaarli\Bookmark\LinkDB;
70use \Shaarli\Config\ConfigManager;
71use \Shaarli\Feed\CachedPage;
72use \Shaarli\Feed\FeedBuilder;
73use \Shaarli\History;
74use \Shaarli\Languages;
75use \Shaarli\Netscape\NetscapeBookmarkUtils;
76use \Shaarli\Plugin\PluginManager;
77use \Shaarli\Render\PageBuilder;
78use \Shaarli\Render\ThemeUtils;
79use \Shaarli\Router;
80use \Shaarli\Security\LoginManager;
81use \Shaarli\Security\SessionManager;
82use \Shaarli\Thumbnailer;
83use \Shaarli\Updater\Updater;
84
85// Ensure the PHP version is supported
86try {
87 ApplicationUtils::checkPHPVersion('7.1', PHP_VERSION);
88} catch (Exception $exc) {
89 header('Content-Type: text/plain; charset=utf-8');
90 echo $exc->getMessage();
91 exit;
92}
93
94define('SHAARLI_VERSION', ApplicationUtils::getVersion(__DIR__ .'/'. ApplicationUtils::$VERSION_FILE));
95
96// Force cookie path (but do not change lifetime)
97$cookie = session_get_cookie_params();
98$cookiedir = '';
99if (dirname($_SERVER['SCRIPT_NAME']) != '/') {
100 $cookiedir = dirname($_SERVER["SCRIPT_NAME"]).'/';
101}
102// Set default cookie expiration and path.
103session_set_cookie_params($cookie['lifetime'], $cookiedir, $_SERVER['SERVER_NAME']);
104// Set session parameters on server side.
105// Use cookies to store session.
106ini_set('session.use_cookies', 1);
107// Force cookies for session (phpsessionID forbidden in URL).
108ini_set('session.use_only_cookies', 1);
109// Prevent PHP form using sessionID in URL if cookies are disabled.
110ini_set('session.use_trans_sid', false);
111
112session_name('shaarli');
113// Start session if needed (Some server auto-start sessions).
114if (session_status() == PHP_SESSION_NONE) {
115 session_start();
116}
117
118// Regenerate session ID if invalid or not defined in cookie.
119if (isset($_COOKIE['shaarli']) && !SessionManager::checkId($_COOKIE['shaarli'])) {
120 session_regenerate_id(true);
121 $_COOKIE['shaarli'] = session_id();
122}
123
124$conf = new ConfigManager();
125$sessionManager = new SessionManager($_SESSION, $conf);
126$loginManager = new LoginManager($conf, $sessionManager);
127$loginManager->generateStaySignedInToken($_SERVER['REMOTE_ADDR']);
128$clientIpId = client_ip_id($_SERVER);
129
130// LC_MESSAGES isn't defined without php-intl, in this case use LC_COLLATE locale instead.
131if (! defined('LC_MESSAGES')) {
132 define('LC_MESSAGES', LC_COLLATE);
133}
134
135// Sniff browser language and set date format accordingly.
136if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
137 autoLocale($_SERVER['HTTP_ACCEPT_LANGUAGE']);
138}
139
140new Languages(setlocale(LC_MESSAGES, 0), $conf);
141
142$conf->setEmpty('general.timezone', date_default_timezone_get());
143$conf->setEmpty('general.title', t('Shared links on '). escape(index_url($_SERVER)));
144RainTPL::$tpl_dir = $conf->get('resource.raintpl_tpl').'/'.$conf->get('resource.theme').'/'; // template directory
145RainTPL::$cache_dir = $conf->get('resource.raintpl_tmp'); // cache directory
146
147$pluginManager = new PluginManager($conf);
148$pluginManager->load($conf->get('general.enabled_plugins'));
149
150date_default_timezone_set($conf->get('general.timezone', 'UTC'));
151
152ob_start(); // Output buffering for the page cache.
153
154// Prevent caching on client side or proxy: (yes, it's ugly)
155header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
156header("Cache-Control: no-store, no-cache, must-revalidate");
157header("Cache-Control: post-check=0, pre-check=0", false);
158header("Pragma: no-cache");
159
160if (! is_file($conf->getConfigFileExt())) {
161 // Ensure Shaarli has proper access to its resources
162 $errors = ApplicationUtils::checkResourcePermissions($conf);
163
164 if ($errors != array()) {
165 $message = '<p>'. t('Insufficient permissions:') .'</p><ul>';
166
167 foreach ($errors as $error) {
168 $message .= '<li>'.$error.'</li>';
169 }
170 $message .= '</ul>';
171
172 header('Content-Type: text/html; charset=utf-8');
173 echo $message;
174 exit;
175 }
176
177 // Display the installation form if no existing config is found
178 install($conf, $sessionManager, $loginManager);
179}
180
181$loginManager->checkLoginState($_COOKIE, $clientIpId);
182
183/**
184 * Adapter function to ensure compatibility with third-party templates
185 *
186 * @see https://github.com/shaarli/Shaarli/pull/1086
187 *
188 * @return bool true when the user is logged in, false otherwise
189 */
190function isLoggedIn()
191{
192 global $loginManager;
193 return $loginManager->isLoggedIn();
194}
195
196
197// ------------------------------------------------------------------------------------------
198// Process login form: Check if login/password is correct.
199if (isset($_POST['login'])) {
200 if (! $loginManager->canLogin($_SERVER)) {
201 die(t('I said: NO. You are banned for the moment. Go away.'));
202 }
203 if (isset($_POST['password'])
204 && $sessionManager->checkToken($_POST['token'])
205 && $loginManager->checkCredentials($_SERVER['REMOTE_ADDR'], $clientIpId, $_POST['login'], $_POST['password'])
206 ) {
207 $loginManager->handleSuccessfulLogin($_SERVER);
208
209 $cookiedir = '';
210 if (dirname($_SERVER['SCRIPT_NAME']) != '/') {
211 // Note: Never forget the trailing slash on the cookie path!
212 $cookiedir = dirname($_SERVER["SCRIPT_NAME"]) . '/';
213 }
214
215 if (!empty($_POST['longlastingsession'])) {
216 // Keep the session cookie even after the browser closes
217 $sessionManager->setStaySignedIn(true);
218 $expirationTime = $sessionManager->extendSession();
219
220 setcookie(
221 $loginManager::$STAY_SIGNED_IN_COOKIE,
222 $loginManager->getStaySignedInToken(),
223 $expirationTime,
224 WEB_PATH
225 );
226 } else {
227 // Standard session expiration (=when browser closes)
228 $expirationTime = 0;
229 }
230
231 // Send cookie with the new expiration date to the browser
232 session_set_cookie_params($expirationTime, $cookiedir, $_SERVER['SERVER_NAME']);
233 session_regenerate_id(true);
234
235 // Optional redirect after login:
236 if (isset($_GET['post'])) {
237 $uri = '?post='. urlencode($_GET['post']);
238 foreach (array('description', 'source', 'title', 'tags') as $param) {
239 if (!empty($_GET[$param])) {
240 $uri .= '&'.$param.'='.urlencode($_GET[$param]);
241 }
242 }
243 header('Location: '. $uri);
244 exit;
245 }
246
247 if (isset($_GET['edit_link'])) {
248 header('Location: ?edit_link='. escape($_GET['edit_link']));
249 exit;
250 }
251
252 if (isset($_POST['returnurl'])) {
253 // Prevent loops over login screen.
254 if (strpos($_POST['returnurl'], 'do=login') === false) {
255 header('Location: '. generateLocation($_POST['returnurl'], $_SERVER['HTTP_HOST']));
256 exit;
257 }
258 }
259 header('Location: ?');
260 exit;
261 } else {
262 $loginManager->handleFailedLogin($_SERVER);
263 $redir = '&username='. urlencode($_POST['login']);
264 if (isset($_GET['post'])) {
265 $redir .= '&post=' . urlencode($_GET['post']);
266 foreach (array('description', 'source', 'title', 'tags') as $param) {
267 if (!empty($_GET[$param])) {
268 $redir .= '&' . $param . '=' . urlencode($_GET[$param]);
269 }
270 }
271 }
272 // Redirect to login screen.
273 echo '<script>alert("'. t("Wrong login/password.") .'");document.location=\'?do=login'.$redir.'\';</script>';
274 exit;
275 }
276}
277
278// ------------------------------------------------------------------------------------------
279// Token management for XSRF protection
280// Token should be used in any form which acts on data (create,update,delete,import...).
281if (!isset($_SESSION['tokens'])) {
282 $_SESSION['tokens']=array(); // Token are attached to the session.
283}
284
285/**
286 * Daily RSS feed: 1 RSS entry per day giving all the links on that day.
287 * Gives the last 7 days (which have links).
288 * This RSS feed cannot be filtered.
289 *
290 * @param ConfigManager $conf Configuration Manager instance
291 * @param LoginManager $loginManager LoginManager instance
292 */
293function showDailyRSS($conf, $loginManager)
294{
295 // Cache system
296 $query = $_SERVER['QUERY_STRING'];
297 $cache = new CachedPage(
298 $conf->get('config.PAGE_CACHE'),
299 page_url($_SERVER),
300 startsWith($query, 'do=dailyrss') && !$loginManager->isLoggedIn()
301 );
302 $cached = $cache->cachedVersion();
303 if (!empty($cached)) {
304 echo $cached;
305 exit;
306 }
307
308 // If cached was not found (or not usable), then read the database and build the response:
309 // Read links from database (and filter private links if used it not logged in).
310 $LINKSDB = new LinkDB(
311 $conf->get('resource.datastore'),
312 $loginManager->isLoggedIn(),
313 $conf->get('privacy.hide_public_links')
314 );
315
316 /* Some Shaarlies may have very few links, so we need to look
317 back in time until we have enough days ($nb_of_days).
318 */
319 $nb_of_days = 7; // We take 7 days.
320 $today = date('Ymd');
321 $days = array();
322
323 foreach ($LINKSDB as $link) {
324 $day = $link['created']->format('Ymd'); // Extract day (without time)
325 if (strcmp($day, $today) < 0) {
326 if (empty($days[$day])) {
327 $days[$day] = array();
328 }
329 $days[$day][] = $link;
330 }
331
332 if (count($days) > $nb_of_days) {
333 break; // Have we collected enough days?
334 }
335 }
336
337 // Build the RSS feed.
338 header('Content-Type: application/rss+xml; charset=utf-8');
339 $pageaddr = escape(index_url($_SERVER));
340 echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">';
341 echo '<channel>';
342 echo '<title>Daily - '. $conf->get('general.title') . '</title>';
343 echo '<link>'. $pageaddr .'</link>';
344 echo '<description>Daily shared links</description>';
345 echo '<language>en-en</language>';
346 echo '<copyright>'. $pageaddr .'</copyright>'. PHP_EOL;
347
348 // For each day.
349 foreach ($days as $day => $links) {
350 $dayDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $day.'_000000');
351 $absurl = escape(index_url($_SERVER).'?do=daily&day='.$day); // Absolute URL of the corresponding "Daily" page.
352
353 // We pre-format some fields for proper output.
354 foreach ($links as &$link) {
355 $link['formatedDescription'] = format_description($link['description']);
356 $link['timestamp'] = $link['created']->getTimestamp();
357 if (is_note($link['url'])) {
358 $link['url'] = index_url($_SERVER) . $link['url']; // make permalink URL absolute
359 }
360 }
361
362 // Then build the HTML for this day:
363 $tpl = new RainTPL;
364 $tpl->assign('title', $conf->get('general.title'));
365 $tpl->assign('daydate', $dayDate->getTimestamp());
366 $tpl->assign('absurl', $absurl);
367 $tpl->assign('links', $links);
368 $tpl->assign('rssdate', escape($dayDate->format(DateTime::RSS)));
369 $tpl->assign('hide_timestamps', $conf->get('privacy.hide_timestamps', false));
370 $tpl->assign('index_url', $pageaddr);
371 $html = $tpl->draw('dailyrss', true);
372
373 echo $html . PHP_EOL;
374 }
375 echo '</channel></rss><!-- Cached version of '. escape(page_url($_SERVER)) .' -->';
376
377 $cache->cache(ob_get_contents());
378 ob_end_flush();
379 exit;
380}
381
382/**
383 * Show the 'Daily' page.
384 *
385 * @param PageBuilder $pageBuilder Template engine wrapper.
386 * @param LinkDB $LINKSDB LinkDB instance.
387 * @param ConfigManager $conf Configuration Manager instance.
388 * @param PluginManager $pluginManager Plugin Manager instance.
389 * @param LoginManager $loginManager Login Manager instance
390 */
391function showDaily($pageBuilder, $LINKSDB, $conf, $pluginManager, $loginManager)
392{
393 if (isset($_GET['day'])) {
394 $day = $_GET['day'];
395 if ($day === date('Ymd', strtotime('now'))) {
396 $pageBuilder->assign('dayDesc', t('Today'));
397 } elseif ($day === date('Ymd', strtotime('-1 days'))) {
398 $pageBuilder->assign('dayDesc', t('Yesterday'));
399 }
400 } else {
401 $day = date('Ymd', strtotime('now')); // Today, in format YYYYMMDD.
402 $pageBuilder->assign('dayDesc', t('Today'));
403 }
404
405 $days = $LINKSDB->days();
406 $i = array_search($day, $days);
407 if ($i === false && count($days)) {
408 // no links for day, but at least one day with links
409 $i = count($days) - 1;
410 $day = $days[$i];
411 }
412 $previousday = '';
413 $nextday = '';
414
415 if ($i !== false) {
416 if ($i >= 1) {
417 $previousday=$days[$i - 1];
418 }
419 if ($i < count($days) - 1) {
420 $nextday = $days[$i + 1];
421 }
422 }
423 try {
424 $linksToDisplay = $LINKSDB->filterDay($day);
425 } catch (Exception $exc) {
426 error_log($exc);
427 $linksToDisplay = array();
428 }
429
430 // We pre-format some fields for proper output.
431 foreach ($linksToDisplay as $key => $link) {
432 $taglist = explode(' ', $link['tags']);
433 uasort($taglist, 'strcasecmp');
434 $linksToDisplay[$key]['taglist']=$taglist;
435 $linksToDisplay[$key]['formatedDescription'] = format_description($link['description']);
436 $linksToDisplay[$key]['timestamp'] = $link['created']->getTimestamp();
437 }
438
439 $dayDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $day.'_000000');
440 $data = array(
441 'pagetitle' => $conf->get('general.title') .' - '. format_date($dayDate, false),
442 'linksToDisplay' => $linksToDisplay,
443 'day' => $dayDate->getTimestamp(),
444 'dayDate' => $dayDate,
445 'previousday' => $previousday,
446 'nextday' => $nextday,
447 );
448
449 /* Hook is called before column construction so that plugins don't have
450 to deal with columns. */
451 $pluginManager->executeHooks('render_daily', $data, array('loggedin' => $loginManager->isLoggedIn()));
452
453 /* We need to spread the articles on 3 columns.
454 I did not want to use a JavaScript lib like http://masonry.desandro.com/
455 so I manually spread entries with a simple method: I roughly evaluate the
456 height of a div according to title and description length.
457 */
458 $columns = array(array(), array(), array()); // Entries to display, for each column.
459 $fill = array(0, 0, 0); // Rough estimate of columns fill.
460 foreach ($data['linksToDisplay'] as $key => $link) {
461 // Roughly estimate length of entry (by counting characters)
462 // Title: 30 chars = 1 line. 1 line is 30 pixels height.
463 // Description: 836 characters gives roughly 342 pixel height.
464 // This is not perfect, but it's usually OK.
465 $length = strlen($link['title']) + (342 * strlen($link['description'])) / 836;
466 if (! empty($link['thumbnail'])) {
467 $length += 100; // 1 thumbnails roughly takes 100 pixels height.
468 }
469 // Then put in column which is the less filled:
470 $smallest = min($fill); // find smallest value in array.
471 $index = array_search($smallest, $fill); // find index of this smallest value.
472 array_push($columns[$index], $link); // Put entry in this column.
473 $fill[$index] += $length;
474 }
475
476 $data['cols'] = $columns;
477
478 foreach ($data as $key => $value) {
479 $pageBuilder->assign($key, $value);
480 }
481
482 $pageBuilder->assign('pagetitle', t('Daily') .' - '. $conf->get('general.title', 'Shaarli'));
483 $pageBuilder->renderPage('daily');
484 exit;
485}
486
487/**
488 * Renders the linklist
489 *
490 * @param pageBuilder $PAGE pageBuilder instance.
491 * @param LinkDB $LINKSDB LinkDB instance.
492 * @param ConfigManager $conf Configuration Manager instance.
493 * @param PluginManager $pluginManager Plugin Manager instance.
494 */
495function showLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager)
496{
497 buildLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager);
498 $PAGE->renderPage('linklist');
499}
500
501/**
502 * Render HTML page (according to URL parameters and user rights)
503 *
504 * @param ConfigManager $conf Configuration Manager instance.
505 * @param PluginManager $pluginManager Plugin Manager instance,
506 * @param LinkDB $LINKSDB
507 * @param History $history instance
508 * @param SessionManager $sessionManager SessionManager instance
509 * @param LoginManager $loginManager LoginManager instance
510 */
511function renderPage($conf, $pluginManager, $LINKSDB, $history, $sessionManager, $loginManager)
512{
513 $updater = new Updater(
514 read_updates_file($conf->get('resource.updates')),
515 $LINKSDB,
516 $conf,
517 $loginManager->isLoggedIn(),
518 $_SESSION
519 );
520 try {
521 $newUpdates = $updater->update();
522 if (! empty($newUpdates)) {
523 write_updates_file(
524 $conf->get('resource.updates'),
525 $updater->getDoneUpdates()
526 );
527 }
528 } catch (Exception $e) {
529 die($e->getMessage());
530 }
531
532 $PAGE = new PageBuilder($conf, $_SESSION, $LINKSDB, $sessionManager->generateToken(), $loginManager->isLoggedIn());
533 $PAGE->assign('linkcount', count($LINKSDB));
534 $PAGE->assign('privateLinkcount', count_private($LINKSDB));
535 $PAGE->assign('plugin_errors', $pluginManager->getErrors());
536
537 // Determine which page will be rendered.
538 $query = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : '';
539 $targetPage = Router::findPage($query, $_GET, $loginManager->isLoggedIn());
540
541 if (// if the user isn't logged in
542 !$loginManager->isLoggedIn() &&
543 // and Shaarli doesn't have public content...
544 $conf->get('privacy.hide_public_links') &&
545 // and is configured to enforce the login
546 $conf->get('privacy.force_login') &&
547 // and the current page isn't already the login page
548 $targetPage !== Router::$PAGE_LOGIN &&
549 // and the user is not requesting a feed (which would lead to a different content-type as expected)
550 $targetPage !== Router::$PAGE_FEED_ATOM &&
551 $targetPage !== Router::$PAGE_FEED_RSS
552 ) {
553 // force current page to be the login page
554 $targetPage = Router::$PAGE_LOGIN;
555 }
556
557 // Call plugin hooks for header, footer and includes, specifying which page will be rendered.
558 // Then assign generated data to RainTPL.
559 $common_hooks = array(
560 'includes',
561 'header',
562 'footer',
563 );
564
565 foreach ($common_hooks as $name) {
566 $plugin_data = array();
567 $pluginManager->executeHooks(
568 'render_' . $name,
569 $plugin_data,
570 array(
571 'target' => $targetPage,
572 'loggedin' => $loginManager->isLoggedIn()
573 )
574 );
575 $PAGE->assign('plugins_' . $name, $plugin_data);
576 }
577
578 // -------- Display login form.
579 if ($targetPage == Router::$PAGE_LOGIN) {
580 if ($conf->get('security.open_shaarli')) {
581 header('Location: ?');
582 exit;
583 } // No need to login for open Shaarli
584 if (isset($_GET['username'])) {
585 $PAGE->assign('username', escape($_GET['username']));
586 }
587 $PAGE->assign('returnurl', (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']):''));
588 // add default state of the 'remember me' checkbox
589 $PAGE->assign('remember_user_default', $conf->get('privacy.remember_user_default'));
590 $PAGE->assign('user_can_login', $loginManager->canLogin($_SERVER));
591 $PAGE->assign('pagetitle', t('Login') .' - '. $conf->get('general.title', 'Shaarli'));
592 $PAGE->renderPage('loginform');
593 exit;
594 }
595 // -------- User wants to logout.
596 if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=logout')) {
597 invalidateCaches($conf->get('resource.page_cache'));
598 $sessionManager->logout();
599 setcookie(LoginManager::$STAY_SIGNED_IN_COOKIE, 'false', 0, WEB_PATH);
600 header('Location: ?');
601 exit;
602 }
603
604 // -------- Picture wall
605 if ($targetPage == Router::$PAGE_PICWALL) {
606 $PAGE->assign('pagetitle', t('Picture wall') .' - '. $conf->get('general.title', 'Shaarli'));
607 if (! $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) === Thumbnailer::MODE_NONE) {
608 $PAGE->assign('linksToDisplay', []);
609 $PAGE->renderPage('picwall');
610 exit;
611 }
612
613 // Optionally filter the results:
614 $links = $LINKSDB->filterSearch($_GET);
615 $linksToDisplay = array();
616
617 // Get only links which have a thumbnail.
618 // Note: we do not retrieve thumbnails here, the request is too heavy.
619 foreach ($links as $key => $link) {
620 if (isset($link['thumbnail']) && $link['thumbnail'] !== false) {
621 $linksToDisplay[] = $link; // Add to array.
622 }
623 }
624
625 $data = array(
626 'linksToDisplay' => $linksToDisplay,
627 );
628 $pluginManager->executeHooks('render_picwall', $data, array('loggedin' => $loginManager->isLoggedIn()));
629
630 foreach ($data as $key => $value) {
631 $PAGE->assign($key, $value);
632 }
633
634
635 $PAGE->renderPage('picwall');
636 exit;
637 }
638
639 // -------- Tag cloud
640 if ($targetPage == Router::$PAGE_TAGCLOUD) {
641 $visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
642 $filteringTags = isset($_GET['searchtags']) ? explode(' ', $_GET['searchtags']) : [];
643 $tags = $LINKSDB->linksCountPerTag($filteringTags, $visibility);
644
645 // We sort tags alphabetically, then choose a font size according to count.
646 // First, find max value.
647 $maxcount = 0;
648 foreach ($tags as $value) {
649 $maxcount = max($maxcount, $value);
650 }
651
652 alphabetical_sort($tags, false, true);
653
654 $tagList = array();
655 foreach ($tags as $key => $value) {
656 if (in_array($key, $filteringTags)) {
657 continue;
658 }
659 // Tag font size scaling:
660 // default 15 and 30 logarithm bases affect scaling,
661 // 22 and 6 are arbitrary font sizes for max and min sizes.
662 $size = log($value, 15) / log($maxcount, 30) * 2.2 + 0.8;
663 $tagList[$key] = array(
664 'count' => $value,
665 'size' => number_format($size, 2, '.', ''),
666 );
667 }
668
669 $searchTags = implode(' ', escape($filteringTags));
670 $data = array(
671 'search_tags' => $searchTags,
672 'tags' => $tagList,
673 );
674 $pluginManager->executeHooks('render_tagcloud', $data, array('loggedin' => $loginManager->isLoggedIn()));
675
676 foreach ($data as $key => $value) {
677 $PAGE->assign($key, $value);
678 }
679
680 $searchTags = ! empty($searchTags) ? $searchTags .' - ' : '';
681 $PAGE->assign('pagetitle', $searchTags. t('Tag cloud') .' - '. $conf->get('general.title', 'Shaarli'));
682 $PAGE->renderPage('tag.cloud');
683 exit;
684 }
685
686 // -------- Tag list
687 if ($targetPage == Router::$PAGE_TAGLIST) {
688 $visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
689 $filteringTags = isset($_GET['searchtags']) ? explode(' ', $_GET['searchtags']) : [];
690 $tags = $LINKSDB->linksCountPerTag($filteringTags, $visibility);
691 foreach ($filteringTags as $tag) {
692 if (array_key_exists($tag, $tags)) {
693 unset($tags[$tag]);
694 }
695 }
696
697 if (! empty($_GET['sort']) && $_GET['sort'] === 'alpha') {
698 alphabetical_sort($tags, false, true);
699 }
700
701 $searchTags = implode(' ', escape($filteringTags));
702 $data = [
703 'search_tags' => $searchTags,
704 'tags' => $tags,
705 ];
706 $pluginManager->executeHooks('render_taglist', $data, ['loggedin' => $loginManager->isLoggedIn()]);
707
708 foreach ($data as $key => $value) {
709 $PAGE->assign($key, $value);
710 }
711
712 $searchTags = ! empty($searchTags) ? $searchTags .' - ' : '';
713 $PAGE->assign('pagetitle', $searchTags . t('Tag list') .' - '. $conf->get('general.title', 'Shaarli'));
714 $PAGE->renderPage('tag.list');
715 exit;
716 }
717
718 // Daily page.
719 if ($targetPage == Router::$PAGE_DAILY) {
720 showDaily($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager);
721 }
722
723 // ATOM and RSS feed.
724 if ($targetPage == Router::$PAGE_FEED_ATOM || $targetPage == Router::$PAGE_FEED_RSS) {
725 $feedType = $targetPage == Router::$PAGE_FEED_RSS ? FeedBuilder::$FEED_RSS : FeedBuilder::$FEED_ATOM;
726 header('Content-Type: application/'. $feedType .'+xml; charset=utf-8');
727
728 // Cache system
729 $query = $_SERVER['QUERY_STRING'];
730 $cache = new CachedPage(
731 $conf->get('resource.page_cache'),
732 page_url($_SERVER),
733 startsWith($query, 'do='. $targetPage) && !$loginManager->isLoggedIn()
734 );
735 $cached = $cache->cachedVersion();
736 if (!empty($cached)) {
737 echo $cached;
738 exit;
739 }
740
741 // Generate data.
742 $feedGenerator = new FeedBuilder($LINKSDB, $feedType, $_SERVER, $_GET, $loginManager->isLoggedIn());
743 $feedGenerator->setLocale(strtolower(setlocale(LC_COLLATE, 0)));
744 $feedGenerator->setHideDates($conf->get('privacy.hide_timestamps') && !$loginManager->isLoggedIn());
745 $feedGenerator->setUsePermalinks(isset($_GET['permalinks']) || !$conf->get('feed.rss_permalinks'));
746 $data = $feedGenerator->buildData();
747
748 // Process plugin hook.
749 $pluginManager->executeHooks('render_feed', $data, array(
750 'loggedin' => $loginManager->isLoggedIn(),
751 'target' => $targetPage,
752 ));
753
754 // Render the template.
755 $PAGE->assignAll($data);
756 $PAGE->renderPage('feed.'. $feedType);
757 $cache->cache(ob_get_contents());
758 ob_end_flush();
759 exit;
760 }
761
762 // Display opensearch plugin (XML)
763 if ($targetPage == Router::$PAGE_OPENSEARCH) {
764 header('Content-Type: application/xml; charset=utf-8');
765 $PAGE->assign('serverurl', index_url($_SERVER));
766 $PAGE->renderPage('opensearch');
767 exit;
768 }
769
770 // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...)
771 if (isset($_GET['addtag'])) {
772 // Get previous URL (http_referer) and add the tag to the searchtags parameters in query.
773 if (empty($_SERVER['HTTP_REFERER'])) {
774 // In case browser does not send HTTP_REFERER
775 header('Location: ?searchtags='.urlencode($_GET['addtag']));
776 exit;
777 }
778 parse_str(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_QUERY), $params);
779
780 // Prevent redirection loop
781 if (isset($params['addtag'])) {
782 unset($params['addtag']);
783 }
784
785 // Check if this tag is already in the search query and ignore it if it is.
786 // Each tag is always separated by a space
787 if (isset($params['searchtags'])) {
788 $current_tags = explode(' ', $params['searchtags']);
789 } else {
790 $current_tags = array();
791 }
792 $addtag = true;
793 foreach ($current_tags as $value) {
794 if ($value === $_GET['addtag']) {
795 $addtag = false;
796 break;
797 }
798 }
799 // Append the tag if necessary
800 if (empty($params['searchtags'])) {
801 $params['searchtags'] = trim($_GET['addtag']);
802 } elseif ($addtag) {
803 $params['searchtags'] = trim($params['searchtags']).' '.trim($_GET['addtag']);
804 }
805
806 // We also remove page (keeping the same page has no sense, since the
807 // results are different)
808 unset($params['page']);
809
810 header('Location: ?'.http_build_query($params));
811 exit;
812 }
813
814 // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...)
815 if (isset($_GET['removetag'])) {
816 // Get previous URL (http_referer) and remove the tag from the searchtags parameters in query.
817 if (empty($_SERVER['HTTP_REFERER'])) {
818 header('Location: ?');
819 exit;
820 }
821
822 // In case browser does not send HTTP_REFERER
823 parse_str(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_QUERY), $params);
824
825 // Prevent redirection loop
826 if (isset($params['removetag'])) {
827 unset($params['removetag']);
828 }
829
830 if (isset($params['searchtags'])) {
831 $tags = explode(' ', $params['searchtags']);
832 // Remove value from array $tags.
833 $tags = array_diff($tags, array($_GET['removetag']));
834 $params['searchtags'] = implode(' ', $tags);
835
836 if (empty($params['searchtags'])) {
837 unset($params['searchtags']);
838 }
839
840 // We also remove page (keeping the same page has no sense, since
841 // the results are different)
842 unset($params['page']);
843 }
844 header('Location: ?'.http_build_query($params));
845 exit;
846 }
847
848 // -------- User wants to change the number of links per page (linksperpage=...)
849 if (isset($_GET['linksperpage'])) {
850 if (is_numeric($_GET['linksperpage'])) {
851 $_SESSION['LINKS_PER_PAGE']=abs(intval($_GET['linksperpage']));
852 }
853
854 if (! empty($_SERVER['HTTP_REFERER'])) {
855 $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('linksperpage'));
856 } else {
857 $location = '?';
858 }
859 header('Location: '. $location);
860 exit;
861 }
862
863 // -------- User wants to see only private links (toggle)
864 if (isset($_GET['visibility'])) {
865 if ($_GET['visibility'] === 'private') {
866 // Visibility not set or not already private, set private, otherwise reset it
867 if (empty($_SESSION['visibility']) || $_SESSION['visibility'] !== 'private') {
868 // See only private links
869 $_SESSION['visibility'] = 'private';
870 } else {
871 unset($_SESSION['visibility']);
872 }
873 } elseif ($_GET['visibility'] === 'public') {
874 if (empty($_SESSION['visibility']) || $_SESSION['visibility'] !== 'public') {
875 // See only public links
876 $_SESSION['visibility'] = 'public';
877 } else {
878 unset($_SESSION['visibility']);
879 }
880 }
881
882 if (! empty($_SERVER['HTTP_REFERER'])) {
883 $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('visibility'));
884 } else {
885 $location = '?';
886 }
887 header('Location: '. $location);
888 exit;
889 }
890
891 // -------- User wants to see only untagged links (toggle)
892 if (isset($_GET['untaggedonly'])) {
893 $_SESSION['untaggedonly'] = empty($_SESSION['untaggedonly']);
894
895 if (! empty($_SERVER['HTTP_REFERER'])) {
896 $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('untaggedonly'));
897 } else {
898 $location = '?';
899 }
900 header('Location: '. $location);
901 exit;
902 }
903
904 // -------- Handle other actions allowed for non-logged in users:
905 if (!$loginManager->isLoggedIn()) {
906 // User tries to post new link but is not logged in:
907 // Show login screen, then redirect to ?post=...
908 if (isset($_GET['post'])) {
909 header( // Redirect to login page, then back to post link.
910 'Location: ?do=login&post='.urlencode($_GET['post']).
911 (!empty($_GET['title'])?'&title='.urlencode($_GET['title']):'').
912 (!empty($_GET['description'])?'&description='.urlencode($_GET['description']):'').
913 (!empty($_GET['tags'])?'&tags='.urlencode($_GET['tags']):'').
914 (!empty($_GET['source'])?'&source='.urlencode($_GET['source']):'')
915 );
916 exit;
917 }
918
919 showLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager);
920 if (isset($_GET['edit_link'])) {
921 header('Location: ?do=login&edit_link='. escape($_GET['edit_link']));
922 exit;
923 }
924
925 exit; // Never remove this one! All operations below are reserved for logged in user.
926 }
927
928 // -------- All other functions are reserved for the registered user:
929
930 // -------- Display the Tools menu if requested (import/export/bookmarklet...)
931 if ($targetPage == Router::$PAGE_TOOLS) {
932 $data = [
933 'pageabsaddr' => index_url($_SERVER),
934 'sslenabled' => is_https($_SERVER),
935 ];
936 $pluginManager->executeHooks('render_tools', $data);
937
938 foreach ($data as $key => $value) {
939 $PAGE->assign($key, $value);
940 }
941
942 $PAGE->assign('pagetitle', t('Tools') .' - '. $conf->get('general.title', 'Shaarli'));
943 $PAGE->renderPage('tools');
944 exit;
945 }
946
947 // -------- User wants to change his/her password.
948 if ($targetPage == Router::$PAGE_CHANGEPASSWORD) {
949 if ($conf->get('security.open_shaarli')) {
950 die(t('You are not supposed to change a password on an Open Shaarli.'));
951 }
952
953 if (!empty($_POST['setpassword']) && !empty($_POST['oldpassword'])) {
954 if (!$sessionManager->checkToken($_POST['token'])) {
955 die(t('Wrong token.')); // Go away!
956 }
957
958 // Make sure old password is correct.
959 $oldhash = sha1(
960 $_POST['oldpassword'].$conf->get('credentials.login').$conf->get('credentials.salt')
961 );
962 if ($oldhash != $conf->get('credentials.hash')) {
963 echo '<script>alert("'
964 . t('The old password is not correct.')
965 .'");document.location=\'?do=changepasswd\';</script>';
966 exit;
967 }
968 // Save new password
969 // Salt renders rainbow-tables attacks useless.
970 $conf->set('credentials.salt', sha1(uniqid('', true) .'_'. mt_rand()));
971 $conf->set(
972 'credentials.hash',
973 sha1(
974 $_POST['setpassword']
975 . $conf->get('credentials.login')
976 . $conf->get('credentials.salt')
977 )
978 );
979 try {
980 $conf->write($loginManager->isLoggedIn());
981 } catch (Exception $e) {
982 error_log(
983 'ERROR while writing config file after changing password.' . PHP_EOL .
984 $e->getMessage()
985 );
986
987 // TODO: do not handle exceptions/errors in JS.
988 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=tools\';</script>';
989 exit;
990 }
991 echo '<script>alert("'. t('Your password has been changed') .'");document.location=\'?do=tools\';</script>';
992 exit;
993 } else {
994 // show the change password form.
995 $PAGE->assign('pagetitle', t('Change password') .' - '. $conf->get('general.title', 'Shaarli'));
996 $PAGE->renderPage('changepassword');
997 exit;
998 }
999 }
1000
1001 // -------- User wants to change configuration
1002 if ($targetPage == Router::$PAGE_CONFIGURE) {
1003 if (!empty($_POST['title'])) {
1004 if (!$sessionManager->checkToken($_POST['token'])) {
1005 die(t('Wrong token.')); // Go away!
1006 }
1007 $tz = 'UTC';
1008 if (!empty($_POST['continent']) && !empty($_POST['city'])
1009 && isTimeZoneValid($_POST['continent'], $_POST['city'])
1010 ) {
1011 $tz = $_POST['continent'] . '/' . $_POST['city'];
1012 }
1013 $conf->set('general.timezone', $tz);
1014 $conf->set('general.title', escape($_POST['title']));
1015 $conf->set('general.header_link', escape($_POST['titleLink']));
1016 $conf->set('general.retrieve_description', !empty($_POST['retrieveDescription']));
1017 $conf->set('resource.theme', escape($_POST['theme']));
1018 $conf->set('security.session_protection_disabled', !empty($_POST['disablesessionprotection']));
1019 $conf->set('privacy.default_private_links', !empty($_POST['privateLinkByDefault']));
1020 $conf->set('feed.rss_permalinks', !empty($_POST['enableRssPermalinks']));
1021 $conf->set('updates.check_updates', !empty($_POST['updateCheck']));
1022 $conf->set('privacy.hide_public_links', !empty($_POST['hidePublicLinks']));
1023 $conf->set('api.enabled', !empty($_POST['enableApi']));
1024 $conf->set('api.secret', escape($_POST['apiSecret']));
1025 $conf->set('translation.language', escape($_POST['language']));
1026
1027 $thumbnailsMode = extension_loaded('gd') ? $_POST['enableThumbnails'] : Thumbnailer::MODE_NONE;
1028 if ($thumbnailsMode !== Thumbnailer::MODE_NONE
1029 && $thumbnailsMode !== $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE)
1030 ) {
1031 $_SESSION['warnings'][] = t(
1032 'You have enabled or changed thumbnails mode. '
1033 .'<a href="?do=thumbs_update">Please synchronize them</a>.'
1034 );
1035 }
1036 $conf->set('thumbnails.mode', $thumbnailsMode);
1037
1038 try {
1039 $conf->write($loginManager->isLoggedIn());
1040 $history->updateSettings();
1041 invalidateCaches($conf->get('resource.page_cache'));
1042 } catch (Exception $e) {
1043 error_log(
1044 'ERROR while writing config file after configuration update.' . PHP_EOL .
1045 $e->getMessage()
1046 );
1047
1048 // TODO: do not handle exceptions/errors in JS.
1049 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=configure\';</script>';
1050 exit;
1051 }
1052 echo '<script>alert("'. t('Configuration was saved.') .'");document.location=\'?do=configure\';</script>';
1053 exit;
1054 } else {
1055 // Show the configuration form.
1056 $PAGE->assign('title', $conf->get('general.title'));
1057 $PAGE->assign('theme', $conf->get('resource.theme'));
1058 $PAGE->assign('theme_available', ThemeUtils::getThemes($conf->get('resource.raintpl_tpl')));
1059 list($continents, $cities) = generateTimeZoneData(
1060 timezone_identifiers_list(),
1061 $conf->get('general.timezone')
1062 );
1063 $PAGE->assign('continents', $continents);
1064 $PAGE->assign('cities', $cities);
1065 $PAGE->assign('retrieve_description', $conf->get('general.retrieve_description'));
1066 $PAGE->assign('private_links_default', $conf->get('privacy.default_private_links', false));
1067 $PAGE->assign('session_protection_disabled', $conf->get('security.session_protection_disabled', false));
1068 $PAGE->assign('enable_rss_permalinks', $conf->get('feed.rss_permalinks', false));
1069 $PAGE->assign('enable_update_check', $conf->get('updates.check_updates', true));
1070 $PAGE->assign('hide_public_links', $conf->get('privacy.hide_public_links', false));
1071 $PAGE->assign('api_enabled', $conf->get('api.enabled', true));
1072 $PAGE->assign('api_secret', $conf->get('api.secret'));
1073 $PAGE->assign('languages', Languages::getAvailableLanguages());
1074 $PAGE->assign('gd_enabled', extension_loaded('gd'));
1075 $PAGE->assign('thumbnails_mode', $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE));
1076 $PAGE->assign('pagetitle', t('Configure') .' - '. $conf->get('general.title', 'Shaarli'));
1077 $PAGE->renderPage('configure');
1078 exit;
1079 }
1080 }
1081
1082 // -------- User wants to rename a tag or delete it
1083 if ($targetPage == Router::$PAGE_CHANGETAG) {
1084 if (empty($_POST['fromtag']) || (empty($_POST['totag']) && isset($_POST['renametag']))) {
1085 $PAGE->assign('fromtag', ! empty($_GET['fromtag']) ? escape($_GET['fromtag']) : '');
1086 $PAGE->assign('pagetitle', t('Manage tags') .' - '. $conf->get('general.title', 'Shaarli'));
1087 $PAGE->renderPage('changetag');
1088 exit;
1089 }
1090
1091 if (!$sessionManager->checkToken($_POST['token'])) {
1092 die(t('Wrong token.'));
1093 }
1094
1095 $toTag = isset($_POST['totag']) ? escape($_POST['totag']) : null;
1096 $alteredLinks = $LINKSDB->renameTag(escape($_POST['fromtag']), $toTag);
1097 $LINKSDB->save($conf->get('resource.page_cache'));
1098 foreach ($alteredLinks as $link) {
1099 $history->updateLink($link);
1100 }
1101 $delete = empty($_POST['totag']);
1102 $redirect = $delete ? 'do=changetag' : 'searchtags='. urlencode(escape($_POST['totag']));
1103 $count = count($alteredLinks);
1104 $alert = $delete
1105 ? sprintf(t('The tag was removed from %d link.', 'The tag was removed from %d links.', $count), $count)
1106 : sprintf(t('The tag was renamed in %d link.', 'The tag was renamed in %d links.', $count), $count);
1107 echo '<script>alert("'. $alert .'");document.location=\'?'. $redirect .'\';</script>';
1108 exit;
1109 }
1110
1111 // -------- User wants to add a link without using the bookmarklet: Show form.
1112 if ($targetPage == Router::$PAGE_ADDLINK) {
1113 $PAGE->assign('pagetitle', t('Shaare a new link') .' - '. $conf->get('general.title', 'Shaarli'));
1114 $PAGE->renderPage('addlink');
1115 exit;
1116 }
1117
1118 // -------- User clicked the "Save" button when editing a link: Save link to database.
1119 if (isset($_POST['save_edit'])) {
1120 // Go away!
1121 if (! $sessionManager->checkToken($_POST['token'])) {
1122 die(t('Wrong token.'));
1123 }
1124
1125 // lf_id should only be present if the link exists.
1126 $id = isset($_POST['lf_id']) ? intval(escape($_POST['lf_id'])) : $LINKSDB->getNextId();
1127 $link['id'] = $id;
1128 // Linkdate is kept here to:
1129 // - use the same permalink for notes as they're displayed when creating them
1130 // - let users hack creation date of their posts
1131 // See: https://shaarli.readthedocs.io/en/master/guides/various-hacks/#changing-the-timestamp-for-a-shaare
1132 $linkdate = escape($_POST['lf_linkdate']);
1133 $link['created'] = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $linkdate);
1134 if (isset($LINKSDB[$id])) {
1135 // Edit
1136 $link['updated'] = new DateTime();
1137 $link['shorturl'] = $LINKSDB[$id]['shorturl'];
1138 $link['sticky'] = isset($LINKSDB[$id]['sticky']) ? $LINKSDB[$id]['sticky'] : false;
1139 $new = false;
1140 } else {
1141 // New link
1142 $link['updated'] = null;
1143 $link['shorturl'] = link_small_hash($link['created'], $id);
1144 $link['sticky'] = false;
1145 $new = true;
1146 }
1147
1148 // Remove multiple spaces.
1149 $tags = trim(preg_replace('/\s\s+/', ' ', $_POST['lf_tags']));
1150 // Remove first '-' char in tags.
1151 $tags = preg_replace('/(^| )\-/', '$1', $tags);
1152 // Remove duplicates.
1153 $tags = implode(' ', array_unique(explode(' ', $tags)));
1154
1155 if (empty(trim($_POST['lf_url']))) {
1156 $_POST['lf_url'] = '?' . smallHash($linkdate . $id);
1157 }
1158 $url = whitelist_protocols(trim($_POST['lf_url']), $conf->get('security.allowed_protocols'));
1159
1160 $link = array_merge($link, [
1161 'title' => trim($_POST['lf_title']),
1162 'url' => $url,
1163 'description' => $_POST['lf_description'],
1164 'private' => (isset($_POST['lf_private']) ? 1 : 0),
1165 'tags' => str_replace(',', ' ', $tags),
1166 ]);
1167
1168 // If title is empty, use the URL as title.
1169 if ($link['title'] == '') {
1170 $link['title'] = $link['url'];
1171 }
1172
1173 if ($conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE
1174 && ! is_note($link['url'])
1175 ) {
1176 $thumbnailer = new Thumbnailer($conf);
1177 $link['thumbnail'] = $thumbnailer->get($url);
1178 }
1179
1180 $pluginManager->executeHooks('save_link', $link);
1181
1182 $LINKSDB[$id] = $link;
1183 $LINKSDB->save($conf->get('resource.page_cache'));
1184 if ($new) {
1185 $history->addLink($link);
1186 } else {
1187 $history->updateLink($link);
1188 }
1189
1190 // If we are called from the bookmarklet, we must close the popup:
1191 if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) {
1192 echo '<script>self.close();</script>';
1193 exit;
1194 }
1195
1196 $returnurl = !empty($_POST['returnurl']) ? $_POST['returnurl'] : '?';
1197 $location = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link'));
1198 // Scroll to the link which has been edited.
1199 $location .= '#' . $link['shorturl'];
1200 // After saving the link, redirect to the page the user was on.
1201 header('Location: '. $location);
1202 exit;
1203 }
1204
1205 // -------- User clicked the "Cancel" button when editing a link.
1206 if (isset($_POST['cancel_edit'])) {
1207 $id = isset($_POST['lf_id']) ? (int) escape($_POST['lf_id']) : false;
1208 if (! isset($LINKSDB[$id])) {
1209 header('Location: ?');
1210 }
1211 // If we are called from the bookmarklet, we must close the popup:
1212 if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) {
1213 echo '<script>self.close();</script>';
1214 exit;
1215 }
1216 $link = $LINKSDB[$id];
1217 $returnurl = ( isset($_POST['returnurl']) ? $_POST['returnurl'] : '?' );
1218 // Scroll to the link which has been edited.
1219 $returnurl .= '#'. $link['shorturl'];
1220 $returnurl = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link'));
1221 header('Location: '.$returnurl); // After canceling, redirect to the page the user was on.
1222 exit;
1223 }
1224
1225 // -------- User clicked the "Delete" button when editing a link: Delete link from database.
1226 if ($targetPage == Router::$PAGE_DELETELINK) {
1227 if (! $sessionManager->checkToken($_GET['token'])) {
1228 die(t('Wrong token.'));
1229 }
1230
1231 $ids = trim($_GET['lf_linkdate']);
1232 if (strpos($ids, ' ') !== false) {
1233 // multiple, space-separated ids provided
1234 $ids = array_values(array_filter(preg_split('/\s+/', escape($ids))));
1235 } else {
1236 // only a single id provided
1237 $ids = [$ids];
1238 }
1239 // assert at least one id is given
1240 if (!count($ids)) {
1241 die('no id provided');
1242 }
1243 foreach ($ids as $id) {
1244 $id = (int) escape($id);
1245 $link = $LINKSDB[$id];
1246 $pluginManager->executeHooks('delete_link', $link);
1247 $history->deleteLink($link);
1248 unset($LINKSDB[$id]);
1249 }
1250 $LINKSDB->save($conf->get('resource.page_cache')); // save to disk
1251
1252 // If we are called from the bookmarklet, we must close the popup:
1253 if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) {
1254 echo '<script>self.close();</script>';
1255 exit;
1256 }
1257
1258 $location = '?';
1259 if (isset($_SERVER['HTTP_REFERER'])) {
1260 // Don't redirect to where we were previously if it was a permalink or an edit_link, because it would 404.
1261 $location = generateLocation(
1262 $_SERVER['HTTP_REFERER'],
1263 $_SERVER['HTTP_HOST'],
1264 ['delete_link', 'edit_link', $link['shorturl']]
1265 );
1266 }
1267
1268 header('Location: ' . $location); // After deleting the link, redirect to appropriate location
1269 exit;
1270 }
1271
1272 // -------- User clicked either "Set public" or "Set private" bulk operation
1273 if ($targetPage == Router::$PAGE_CHANGE_VISIBILITY) {
1274 if (! $sessionManager->checkToken($_GET['token'])) {
1275 die(t('Wrong token.'));
1276 }
1277
1278 $ids = trim($_GET['ids']);
1279 if (strpos($ids, ' ') !== false) {
1280 // multiple, space-separated ids provided
1281 $ids = array_values(array_filter(preg_split('/\s+/', escape($ids))));
1282 } else {
1283 // only a single id provided
1284 $ids = [$ids];
1285 }
1286
1287 // assert at least one id is given
1288 if (!count($ids)) {
1289 die('no id provided');
1290 }
1291 // assert that the visibility is valid
1292 if (!isset($_GET['newVisibility']) || !in_array($_GET['newVisibility'], ['public', 'private'])) {
1293 die('invalid visibility');
1294 } else {
1295 $private = $_GET['newVisibility'] === 'private';
1296 }
1297 foreach ($ids as $id) {
1298 $id = (int) escape($id);
1299 $link = $LINKSDB[$id];
1300 $link['private'] = $private;
1301 $pluginManager->executeHooks('save_link', $link);
1302 $LINKSDB[$id] = $link;
1303 }
1304 $LINKSDB->save($conf->get('resource.page_cache')); // save to disk
1305
1306 $location = '?';
1307 if (isset($_SERVER['HTTP_REFERER'])) {
1308 $location = generateLocation(
1309 $_SERVER['HTTP_REFERER'],
1310 $_SERVER['HTTP_HOST']
1311 );
1312 }
1313 header('Location: ' . $location); // After deleting the link, redirect to appropriate location
1314 exit;
1315 }
1316
1317 // -------- User clicked the "EDIT" button on a link: Display link edit form.
1318 if (isset($_GET['edit_link'])) {
1319 $id = (int) escape($_GET['edit_link']);
1320 $link = $LINKSDB[$id]; // Read database
1321 if (!$link) {
1322 header('Location: ?');
1323 exit;
1324 } // Link not found in database.
1325 $link['linkdate'] = $link['created']->format(LinkDB::LINK_DATE_FORMAT);
1326 $data = array(
1327 'link' => $link,
1328 'link_is_new' => false,
1329 'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
1330 'tags' => $LINKSDB->linksCountPerTag(),
1331 );
1332 $pluginManager->executeHooks('render_editlink', $data);
1333
1334 foreach ($data as $key => $value) {
1335 $PAGE->assign($key, $value);
1336 }
1337
1338 $PAGE->assign('pagetitle', t('Edit') .' '. t('Shaare') .' - '. $conf->get('general.title', 'Shaarli'));
1339 $PAGE->renderPage('editlink');
1340 exit;
1341 }
1342
1343 // -------- User want to post a new link: Display link edit form.
1344 if (isset($_GET['post'])) {
1345 $url = cleanup_url($_GET['post']);
1346
1347 $link_is_new = false;
1348 // Check if URL is not already in database (in this case, we will edit the existing link)
1349 $link = $LINKSDB->getLinkFromUrl($url);
1350 if (! $link) {
1351 $link_is_new = true;
1352 $linkdate = strval(date(LinkDB::LINK_DATE_FORMAT));
1353 // Get title if it was provided in URL (by the bookmarklet).
1354 $title = empty($_GET['title']) ? '' : escape($_GET['title']);
1355 // Get description if it was provided in URL (by the bookmarklet). [Bronco added that]
1356 $description = empty($_GET['description']) ? '' : escape($_GET['description']);
1357 $tags = empty($_GET['tags']) ? '' : escape($_GET['tags']);
1358 $private = !empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0;
1359
1360 // If this is an HTTP(S) link, we try go get the page to extract
1361 // the title (otherwise we will to straight to the edit form.)
1362 if (empty($title) && strpos(get_url_scheme($url), 'http') !== false) {
1363 $retrieveDescription = $conf->get('general.retrieve_description');
1364 // Short timeout to keep the application responsive
1365 // The callback will fill $charset and $title with data from the downloaded page.
1366 get_http_response(
1367 $url,
1368 $conf->get('general.download_timeout', 30),
1369 $conf->get('general.download_max_size', 4194304),
1370 get_curl_download_callback($charset, $title, $description, $tags, $retrieveDescription)
1371 );
1372 if (! empty($title) && strtolower($charset) != 'utf-8') {
1373 $title = mb_convert_encoding($title, 'utf-8', $charset);
1374 }
1375 }
1376
1377 if ($url == '') {
1378 $url = '?' . smallHash($linkdate . $LINKSDB->getNextId());
1379 $title = $conf->get('general.default_note_title', t('Note: '));
1380 }
1381 $url = escape($url);
1382 $title = escape($title);
1383
1384 $link = array(
1385 'linkdate' => $linkdate,
1386 'title' => $title,
1387 'url' => $url,
1388 'description' => $description,
1389 'tags' => $tags,
1390 'private' => $private,
1391 );
1392 } else {
1393 $link['linkdate'] = $link['created']->format(LinkDB::LINK_DATE_FORMAT);
1394 }
1395
1396 $data = array(
1397 'link' => $link,
1398 'link_is_new' => $link_is_new,
1399 'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
1400 'source' => (isset($_GET['source']) ? $_GET['source'] : ''),
1401 'tags' => $LINKSDB->linksCountPerTag(),
1402 'default_private_links' => $conf->get('privacy.default_private_links', false),
1403 );
1404 $pluginManager->executeHooks('render_editlink', $data);
1405
1406 foreach ($data as $key => $value) {
1407 $PAGE->assign($key, $value);
1408 }
1409
1410 $PAGE->assign('pagetitle', t('Shaare') .' - '. $conf->get('general.title', 'Shaarli'));
1411 $PAGE->renderPage('editlink');
1412 exit;
1413 }
1414
1415 if ($targetPage == Router::$PAGE_PINLINK) {
1416 if (! isset($_GET['id']) || empty($LINKSDB[$_GET['id']])) {
1417 // FIXME! Use a proper error system.
1418 $msg = t('Invalid link ID provided');
1419 echo '<script>alert("'. $msg .'");document.location=\''. index_url($_SERVER) .'\';</script>';
1420 exit;
1421 }
1422 if (! $sessionManager->checkToken($_GET['token'])) {
1423 die('Wrong token.');
1424 }
1425
1426 $link = $LINKSDB[$_GET['id']];
1427 $link['sticky'] = ! $link['sticky'];
1428 $LINKSDB[(int) $_GET['id']] = $link;
1429 $LINKSDB->save($conf->get('resource.page_cache'));
1430 header('Location: '.index_url($_SERVER));
1431 exit;
1432 }
1433
1434 if ($targetPage == Router::$PAGE_EXPORT) {
1435 // Export links as a Netscape Bookmarks file
1436
1437 if (empty($_GET['selection'])) {
1438 $PAGE->assign('pagetitle', t('Export') .' - '. $conf->get('general.title', 'Shaarli'));
1439 $PAGE->renderPage('export');
1440 exit;
1441 }
1442
1443 // export as bookmarks_(all|private|public)_YYYYmmdd_HHMMSS.html
1444 $selection = $_GET['selection'];
1445 if (isset($_GET['prepend_note_url'])) {
1446 $prependNoteUrl = $_GET['prepend_note_url'];
1447 } else {
1448 $prependNoteUrl = false;
1449 }
1450
1451 try {
1452 $PAGE->assign(
1453 'links',
1454 NetscapeBookmarkUtils::filterAndFormat(
1455 $LINKSDB,
1456 $selection,
1457 $prependNoteUrl,
1458 index_url($_SERVER)
1459 )
1460 );
1461 } catch (Exception $exc) {
1462 header('Content-Type: text/plain; charset=utf-8');
1463 echo $exc->getMessage();
1464 exit;
1465 }
1466 $now = new DateTime();
1467 header('Content-Type: text/html; charset=utf-8');
1468 header(
1469 'Content-disposition: attachment; filename=bookmarks_'
1470 .$selection.'_'.$now->format(LinkDB::LINK_DATE_FORMAT).'.html'
1471 );
1472 $PAGE->assign('date', $now->format(DateTime::RFC822));
1473 $PAGE->assign('eol', PHP_EOL);
1474 $PAGE->assign('selection', $selection);
1475 $PAGE->renderPage('export.bookmarks');
1476 exit;
1477 }
1478
1479 if ($targetPage == Router::$PAGE_IMPORT) {
1480 // Upload a Netscape bookmark dump to import its contents
1481
1482 if (! isset($_POST['token']) || ! isset($_FILES['filetoupload'])) {
1483 // Show import dialog
1484 $PAGE->assign(
1485 'maxfilesize',
1486 get_max_upload_size(
1487 ini_get('post_max_size'),
1488 ini_get('upload_max_filesize'),
1489 false
1490 )
1491 );
1492 $PAGE->assign(
1493 'maxfilesizeHuman',
1494 get_max_upload_size(
1495 ini_get('post_max_size'),
1496 ini_get('upload_max_filesize'),
1497 true
1498 )
1499 );
1500 $PAGE->assign('pagetitle', t('Import') .' - '. $conf->get('general.title', 'Shaarli'));
1501 $PAGE->renderPage('import');
1502 exit;
1503 }
1504
1505 // Import bookmarks from an uploaded file
1506 if (isset($_FILES['filetoupload']['size']) && $_FILES['filetoupload']['size'] == 0) {
1507 // The file is too big or some form field may be missing.
1508 $msg = sprintf(
1509 t(
1510 'The file you are trying to upload is probably bigger than what this webserver can accept'
1511 .' (%s). Please upload in smaller chunks.'
1512 ),
1513 get_max_upload_size(ini_get('post_max_size'), ini_get('upload_max_filesize'))
1514 );
1515 echo '<script>alert("'. $msg .'");document.location=\'?do='.Router::$PAGE_IMPORT .'\';</script>';
1516 exit;
1517 }
1518 if (! $sessionManager->checkToken($_POST['token'])) {
1519 die('Wrong token.');
1520 }
1521 $status = NetscapeBookmarkUtils::import(
1522 $_POST,
1523 $_FILES,
1524 $LINKSDB,
1525 $conf,
1526 $history
1527 );
1528 echo '<script>alert("'.$status.'");document.location=\'?do='
1529 .Router::$PAGE_IMPORT .'\';</script>';
1530 exit;
1531 }
1532
1533 // Plugin administration page
1534 if ($targetPage == Router::$PAGE_PLUGINSADMIN) {
1535 $pluginMeta = $pluginManager->getPluginsMeta();
1536
1537 // Split plugins into 2 arrays: ordered enabled plugins and disabled.
1538 $enabledPlugins = array_filter($pluginMeta, function ($v) {
1539 return $v['order'] !== false;
1540 });
1541 // Load parameters.
1542 $enabledPlugins = load_plugin_parameter_values($enabledPlugins, $conf->get('plugins', array()));
1543 uasort(
1544 $enabledPlugins,
1545 function ($a, $b) {
1546 return $a['order'] - $b['order'];
1547 }
1548 );
1549 $disabledPlugins = array_filter($pluginMeta, function ($v) {
1550 return $v['order'] === false;
1551 });
1552
1553 $PAGE->assign('enabledPlugins', $enabledPlugins);
1554 $PAGE->assign('disabledPlugins', $disabledPlugins);
1555 $PAGE->assign('pagetitle', t('Plugin administration') .' - '. $conf->get('general.title', 'Shaarli'));
1556 $PAGE->renderPage('pluginsadmin');
1557 exit;
1558 }
1559
1560 // Plugin administration form action
1561 if ($targetPage == Router::$PAGE_SAVE_PLUGINSADMIN) {
1562 try {
1563 if (isset($_POST['parameters_form'])) {
1564 $pluginManager->executeHooks('save_plugin_parameters', $_POST);
1565 unset($_POST['parameters_form']);
1566 foreach ($_POST as $param => $value) {
1567 $conf->set('plugins.'. $param, escape($value));
1568 }
1569 } else {
1570 $conf->set('general.enabled_plugins', save_plugin_config($_POST));
1571 }
1572 $conf->write($loginManager->isLoggedIn());
1573 $history->updateSettings();
1574 } catch (Exception $e) {
1575 error_log(
1576 'ERROR while saving plugin configuration:.' . PHP_EOL .
1577 $e->getMessage()
1578 );
1579
1580 // TODO: do not handle exceptions/errors in JS.
1581 echo '<script>alert("'
1582 . $e->getMessage()
1583 .'");document.location=\'?do='
1584 . Router::$PAGE_PLUGINSADMIN
1585 .'\';</script>';
1586 exit;
1587 }
1588 header('Location: ?do='. Router::$PAGE_PLUGINSADMIN);
1589 exit;
1590 }
1591
1592 // Get a fresh token
1593 if ($targetPage == Router::$GET_TOKEN) {
1594 header('Content-Type:text/plain');
1595 echo $sessionManager->generateToken($conf);
1596 exit;
1597 }
1598
1599 // -------- Thumbnails Update
1600 if ($targetPage == Router::$PAGE_THUMBS_UPDATE) {
1601 $ids = [];
1602 foreach ($LINKSDB as $link) {
1603 // A note or not HTTP(S)
1604 if (is_note($link['url']) || ! startsWith(strtolower($link['url']), 'http')) {
1605 continue;
1606 }
1607 $ids[] = $link['id'];
1608 }
1609 $PAGE->assign('ids', $ids);
1610 $PAGE->assign('pagetitle', t('Thumbnails update') .' - '. $conf->get('general.title', 'Shaarli'));
1611 $PAGE->renderPage('thumbnails');
1612 exit;
1613 }
1614
1615 // -------- Single Thumbnail Update
1616 if ($targetPage == Router::$AJAX_THUMB_UPDATE) {
1617 if (! isset($_POST['id']) || ! ctype_digit($_POST['id'])) {
1618 http_response_code(400);
1619 exit;
1620 }
1621 $id = (int) $_POST['id'];
1622 if (empty($LINKSDB[$id])) {
1623 http_response_code(404);
1624 exit;
1625 }
1626 $thumbnailer = new Thumbnailer($conf);
1627 $link = $LINKSDB[$id];
1628 $link['thumbnail'] = $thumbnailer->get($link['url']);
1629 $LINKSDB[$id] = $link;
1630 $LINKSDB->save($conf->get('resource.page_cache'));
1631
1632 echo json_encode($link);
1633 exit;
1634 }
1635
1636 // -------- Otherwise, simply display search form and links:
1637 showLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager);
1638 exit;
1639}
1640
1641/**
1642 * Template for the list of links (<div id="linklist">)
1643 * This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
1644 *
1645 * @param pageBuilder $PAGE pageBuilder instance.
1646 * @param LinkDB $LINKSDB LinkDB instance.
1647 * @param ConfigManager $conf Configuration Manager instance.
1648 * @param PluginManager $pluginManager Plugin Manager instance.
1649 * @param LoginManager $loginManager LoginManager instance
1650 */
1651function buildLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager)
1652{
1653 // Used in templates
1654 if (isset($_GET['searchtags'])) {
1655 if (! empty($_GET['searchtags'])) {
1656 $searchtags = escape(normalize_spaces($_GET['searchtags']));
1657 } else {
1658 $searchtags = false;
1659 }
1660 } else {
1661 $searchtags = '';
1662 }
1663 $searchterm = !empty($_GET['searchterm']) ? escape(normalize_spaces($_GET['searchterm'])) : '';
1664
1665 // Smallhash filter
1666 if (! empty($_SERVER['QUERY_STRING'])
1667 && preg_match('/^[a-zA-Z0-9-_@]{6}($|&|#)/', $_SERVER['QUERY_STRING'])) {
1668 try {
1669 $linksToDisplay = $LINKSDB->filterHash($_SERVER['QUERY_STRING']);
1670 } catch (LinkNotFoundException $e) {
1671 $PAGE->render404($e->getMessage());
1672 exit;
1673 }
1674 } else {
1675 // Filter links according search parameters.
1676 $visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
1677 $request = [
1678 'searchtags' => $searchtags,
1679 'searchterm' => $searchterm,
1680 ];
1681 $linksToDisplay = $LINKSDB->filterSearch($request, false, $visibility, !empty($_SESSION['untaggedonly']));
1682 }
1683
1684 // ---- Handle paging.
1685 $keys = array();
1686 foreach ($linksToDisplay as $key => $value) {
1687 $keys[] = $key;
1688 }
1689
1690 // Select articles according to paging.
1691 $pagecount = ceil(count($keys) / $_SESSION['LINKS_PER_PAGE']);
1692 $pagecount = $pagecount == 0 ? 1 : $pagecount;
1693 $page= empty($_GET['page']) ? 1 : intval($_GET['page']);
1694 $page = $page < 1 ? 1 : $page;
1695 $page = $page > $pagecount ? $pagecount : $page;
1696 // Start index.
1697 $i = ($page-1) * $_SESSION['LINKS_PER_PAGE'];
1698 $end = $i + $_SESSION['LINKS_PER_PAGE'];
1699
1700 $thumbnailsEnabled = $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE;
1701 if ($thumbnailsEnabled) {
1702 $thumbnailer = new Thumbnailer($conf);
1703 }
1704
1705 $linkDisp = array();
1706 while ($i<$end && $i<count($keys)) {
1707 $link = $linksToDisplay[$keys[$i]];
1708 $link['description'] = format_description($link['description']);
1709 $classLi = ($i % 2) != 0 ? '' : 'publicLinkHightLight';
1710 $link['class'] = $link['private'] == 0 ? $classLi : 'private';
1711 $link['timestamp'] = $link['created']->getTimestamp();
1712 if (! empty($link['updated'])) {
1713 $link['updated_timestamp'] = $link['updated']->getTimestamp();
1714 } else {
1715 $link['updated_timestamp'] = '';
1716 }
1717 $taglist = preg_split('/\s+/', $link['tags'], -1, PREG_SPLIT_NO_EMPTY);
1718 uasort($taglist, 'strcasecmp');
1719 $link['taglist'] = $taglist;
1720
1721 // Logged in, thumbnails enabled, not a note,
1722 // and (never retrieved yet or no valid cache file)
1723 if ($loginManager->isLoggedIn() && $thumbnailsEnabled && $link['url'][0] != '?'
1724 && (! isset($link['thumbnail']) || ($link['thumbnail'] !== false && ! is_file($link['thumbnail'])))
1725 ) {
1726 $elem = $LINKSDB[$keys[$i]];
1727 $elem['thumbnail'] = $thumbnailer->get($link['url']);
1728 $LINKSDB[$keys[$i]] = $elem;
1729 $updateDB = true;
1730 $link['thumbnail'] = $elem['thumbnail'];
1731 }
1732
1733 // Check for both signs of a note: starting with ? and 7 chars long.
1734 if ($link['url'][0] === '?' && strlen($link['url']) === 7) {
1735 $link['url'] = index_url($_SERVER) . $link['url'];
1736 }
1737
1738 $linkDisp[$keys[$i]] = $link;
1739 $i++;
1740 }
1741
1742 // If we retrieved new thumbnails, we update the database.
1743 if (!empty($updateDB)) {
1744 $LINKSDB->save($conf->get('resource.page_cache'));
1745 }
1746
1747 // Compute paging navigation
1748 $searchtagsUrl = $searchtags === '' ? '' : '&searchtags=' . urlencode($searchtags);
1749 $searchtermUrl = empty($searchterm) ? '' : '&searchterm=' . urlencode($searchterm);
1750 $previous_page_url = '';
1751 if ($i != count($keys)) {
1752 $previous_page_url = '?page=' . ($page+1) . $searchtermUrl . $searchtagsUrl;
1753 }
1754 $next_page_url='';
1755 if ($page>1) {
1756 $next_page_url = '?page=' . ($page-1) . $searchtermUrl . $searchtagsUrl;
1757 }
1758
1759 // Fill all template fields.
1760 $data = array(
1761 'previous_page_url' => $previous_page_url,
1762 'next_page_url' => $next_page_url,
1763 'page_current' => $page,
1764 'page_max' => $pagecount,
1765 'result_count' => count($linksToDisplay),
1766 'search_term' => $searchterm,
1767 'search_tags' => $searchtags,
1768 'visibility' => ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '',
1769 'links' => $linkDisp,
1770 );
1771
1772 // If there is only a single link, we change on-the-fly the title of the page.
1773 if (count($linksToDisplay) == 1) {
1774 $data['pagetitle'] = $linksToDisplay[$keys[0]]['title'] .' - '. $conf->get('general.title');
1775 } elseif (! empty($searchterm) || ! empty($searchtags)) {
1776 $data['pagetitle'] = t('Search: ');
1777 $data['pagetitle'] .= ! empty($searchterm) ? $searchterm .' ' : '';
1778 $bracketWrap = function ($tag) {
1779 return '['. $tag .']';
1780 };
1781 $data['pagetitle'] .= ! empty($searchtags)
1782 ? implode(' ', array_map($bracketWrap, preg_split('/\s+/', $searchtags))).' '
1783 : '';
1784 $data['pagetitle'] .= '- '. $conf->get('general.title');
1785 }
1786
1787 $pluginManager->executeHooks('render_linklist', $data, array('loggedin' => $loginManager->isLoggedIn()));
1788
1789 foreach ($data as $key => $value) {
1790 $PAGE->assign($key, $value);
1791 }
1792
1793 return;
1794}
1795
1796/**
1797 * Installation
1798 * This function should NEVER be called if the file data/config.php exists.
1799 *
1800 * @param ConfigManager $conf Configuration Manager instance.
1801 * @param SessionManager $sessionManager SessionManager instance
1802 * @param LoginManager $loginManager LoginManager instance
1803 */
1804function install($conf, $sessionManager, $loginManager)
1805{
1806 // On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
1807 if (endsWith($_SERVER['HTTP_HOST'], '.free.fr') && !is_dir($_SERVER['DOCUMENT_ROOT'].'/sessions')) {
1808 mkdir($_SERVER['DOCUMENT_ROOT'].'/sessions', 0705);
1809 }
1810
1811
1812 // This part makes sure sessions works correctly.
1813 // (Because on some hosts, session.save_path may not be set correctly,
1814 // or we may not have write access to it.)
1815 if (isset($_GET['test_session'])
1816 && ( !isset($_SESSION) || !isset($_SESSION['session_tested']) || $_SESSION['session_tested']!='Working')) {
1817 // Step 2: Check if data in session is correct.
1818 $msg = t(
1819 '<pre>Sessions do not seem to work correctly on your server.<br>'.
1820 'Make sure the variable "session.save_path" is set correctly in your PHP config, '.
1821 'and that you have write access to it.<br>'.
1822 'It currently points to %s.<br>'.
1823 'On some browsers, accessing your server via a hostname like \'localhost\' '.
1824 'or any custom hostname without a dot causes cookie storage to fail. '.
1825 'We recommend accessing your server via it\'s IP address or Fully Qualified Domain Name.<br>'
1826 );
1827 $msg = sprintf($msg, session_save_path());
1828 echo $msg;
1829 echo '<br><a href="?">'. t('Click to try again.') .'</a></pre>';
1830 die;
1831 }
1832 if (!isset($_SESSION['session_tested'])) {
1833 // Step 1 : Try to store data in session and reload page.
1834 $_SESSION['session_tested'] = 'Working'; // Try to set a variable in session.
1835 header('Location: '.index_url($_SERVER).'?test_session'); // Redirect to check stored data.
1836 }
1837 if (isset($_GET['test_session'])) {
1838 // Step 3: Sessions are OK. Remove test parameter from URL.
1839 header('Location: '.index_url($_SERVER));
1840 }
1841
1842
1843 if (!empty($_POST['setlogin']) && !empty($_POST['setpassword'])) {
1844 $tz = 'UTC';
1845 if (!empty($_POST['continent']) && !empty($_POST['city'])
1846 && isTimeZoneValid($_POST['continent'], $_POST['city'])
1847 ) {
1848 $tz = $_POST['continent'].'/'.$_POST['city'];
1849 }
1850 $conf->set('general.timezone', $tz);
1851 $login = $_POST['setlogin'];
1852 $conf->set('credentials.login', $login);
1853 $salt = sha1(uniqid('', true) .'_'. mt_rand());
1854 $conf->set('credentials.salt', $salt);
1855 $conf->set('credentials.hash', sha1($_POST['setpassword'] . $login . $salt));
1856 if (!empty($_POST['title'])) {
1857 $conf->set('general.title', escape($_POST['title']));
1858 } else {
1859 $conf->set('general.title', 'Shared links on '.escape(index_url($_SERVER)));
1860 }
1861 $conf->set('translation.language', escape($_POST['language']));
1862 $conf->set('updates.check_updates', !empty($_POST['updateCheck']));
1863 $conf->set('api.enabled', !empty($_POST['enableApi']));
1864 $conf->set(
1865 'api.secret',
1866 generate_api_secret(
1867 $conf->get('credentials.login'),
1868 $conf->get('credentials.salt')
1869 )
1870 );
1871 try {
1872 // Everything is ok, let's create config file.
1873 $conf->write($loginManager->isLoggedIn());
1874 } catch (Exception $e) {
1875 error_log(
1876 'ERROR while writing config file after installation.' . PHP_EOL .
1877 $e->getMessage()
1878 );
1879
1880 // TODO: do not handle exceptions/errors in JS.
1881 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?\';</script>';
1882 exit;
1883 }
1884 echo '<script>alert('
1885 .'"Shaarli is now configured. '
1886 .'Please enter your login/password and start shaaring your links!"'
1887 .');document.location=\'?do=login\';</script>';
1888 exit;
1889 }
1890
1891 $PAGE = new PageBuilder($conf, $_SESSION, null, $sessionManager->generateToken());
1892 list($continents, $cities) = generateTimeZoneData(timezone_identifiers_list(), date_default_timezone_get());
1893 $PAGE->assign('continents', $continents);
1894 $PAGE->assign('cities', $cities);
1895 $PAGE->assign('languages', Languages::getAvailableLanguages());
1896 $PAGE->renderPage('install');
1897 exit;
1898}
1899
1900if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=dailyrss')) {
1901 showDailyRSS($conf, $loginManager);
1902 exit;
1903}
1904
1905if (!isset($_SESSION['LINKS_PER_PAGE'])) {
1906 $_SESSION['LINKS_PER_PAGE'] = $conf->get('general.links_per_page', 20);
1907}
1908
1909try {
1910 $history = new History($conf->get('resource.history'));
1911} catch (Exception $e) {
1912 die($e->getMessage());
1913}
1914
1915$linkDb = new LinkDB(
1916 $conf->get('resource.datastore'),
1917 $loginManager->isLoggedIn(),
1918 $conf->get('privacy.hide_public_links')
1919);
1920
1921$container = new \Slim\Container();
1922$container['conf'] = $conf;
1923$container['plugins'] = $pluginManager;
1924$container['history'] = $history;
1925$app = new \Slim\App($container);
1926
1927// REST API routes
1928$app->group('/api/v1', function () {
1929 $this->get('/info', '\Shaarli\Api\Controllers\Info:getInfo')->setName('getInfo');
1930 $this->get('/links', '\Shaarli\Api\Controllers\Links:getLinks')->setName('getLinks');
1931 $this->get('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:getLink')->setName('getLink');
1932 $this->post('/links', '\Shaarli\Api\Controllers\Links:postLink')->setName('postLink');
1933 $this->put('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:putLink')->setName('putLink');
1934 $this->delete('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:deleteLink')->setName('deleteLink');
1935
1936 $this->get('/tags', '\Shaarli\Api\Controllers\Tags:getTags')->setName('getTags');
1937 $this->get('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:getTag')->setName('getTag');
1938 $this->put('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:putTag')->setName('putTag');
1939 $this->delete('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:deleteTag')->setName('deleteTag');
1940
1941 $this->get('/history', '\Shaarli\Api\Controllers\HistoryController:getHistory')->setName('getHistory');
1942})->add('\Shaarli\Api\ApiMiddleware');
1943
1944$response = $app->run(true);
1945
1946// Hack to make Slim and Shaarli router work together:
1947// If a Slim route isn't found and NOT API call, we call renderPage().
1948if ($response->getStatusCode() == 404 && strpos($_SERVER['REQUEST_URI'], '/api/v1') === false) {
1949 // We use UTF-8 for proper international characters handling.
1950 header('Content-Type: text/html; charset=utf-8');
1951 renderPage($conf, $pluginManager, $linkDb, $history, $sessionManager, $loginManager);
1952} else {
1953 $response = $response
1954 ->withHeader('Access-Control-Allow-Origin', '*')
1955 ->withHeader(
1956 'Access-Control-Allow-Headers',
1957 'X-Requested-With, Content-Type, Accept, Origin, Authorization'
1958 )
1959 ->withHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
1960 $app->respond($response);
1961}
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