]> git.immae.eu Git - github/shaarli/Shaarli.git/blame - index.php
projects / github / shaarli / Shaarli.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Makes escape a recursive function which handle array of strings
[github/shaarli/Shaarli.git] / index.php
CommitLineData
45034273 1<?php
49e2b35b 2/**
797a6f30 3 * Shaarli v0.6.5 - Shaare your links...
49e2b35b
V		 4 *
5 * The personal, minimalist, super-fast, no-database Delicious clone.
6 *
7 * Friendly fork by the Shaarli community:
8 * - https://github.com/shaarli/Shaarli
9 *
10 * Original project by sebsauvage.net:
11 * - http://sebsauvage.net/wiki/doku.php?id=php:shaarli
12 * - https://github.com/sebsauvage/Shaarli
13 *
14 * Licence: http://www.opensource.org/licenses/zlib-license.php
15 *
16 * Requires: PHP 5.3.x
17 */
afd7b77b
V		 18
19// Set 'UTC' as the default timezone if it is not defined in php.ini
20// See http://php.net/manual/en/datetime.configuration.php#ini.date.timezone
21if (date_default_timezone_get() == '') {
22 date_default_timezone_set('UTC');
23}
cb49ab94 24
28bb2b74
V		 25/* -----------------------------------------------------------------------------
26 * Hardcoded parameters
27 * You should not touch any code below (or at your own risks!)
28 * (These parameters can be overwritten by editing the file /data/config.php)
29 * -----------------------------------------------------------------------------
30 */
31
32/*
33 * Shaarli directories & configuration files
34 */
35// Data subdirectory
36$GLOBALS['config']['DATADIR'] = 'data';
37
38// Main configuration file
39$GLOBALS['config']['CONFIG_FILE'] = $GLOBALS['config']['DATADIR'].'/config.php';
40
41// Link datastore
42$GLOBALS['config']['DATASTORE'] = $GLOBALS['config']['DATADIR'].'/datastore.php';
43
44// Banned IPs
45$GLOBALS['config']['IPBANS_FILENAME'] = $GLOBALS['config']['DATADIR'].'/ipbans.php';
46
510377d2
A		 47// Processed updates file.
48$GLOBALS['config']['UPDATES_FILE'] = $GLOBALS['config']['DATADIR'].'/updates.txt';
49
2e28269b
V		 50// Access log
51$GLOBALS['config']['LOG_FILE'] = $GLOBALS['config']['DATADIR'].'/log.txt';
52
28bb2b74
V		 53// For updates check of Shaarli
54$GLOBALS['config']['UPDATECHECK_FILENAME'] = $GLOBALS['config']['DATADIR'].'/lastupdatecheck.txt';
55
7c873f1c
A		 56// Set ENABLE_UPDATECHECK to disabled by default.
57$GLOBALS['config']['ENABLE_UPDATECHECK'] = false;
58
28bb2b74
V		 59// RainTPL cache directory (keep the trailing slash!)
60$GLOBALS['config']['RAINTPL_TMP'] = 'tmp/';
61// Raintpl template directory (keep the trailing slash!)
62$GLOBALS['config']['RAINTPL_TPL'] = 'tpl/';
63
2e28269b 64// Thumbnail cache directory
28bb2b74
V		 65$GLOBALS['config']['CACHEDIR'] = 'cache';
66
67// Atom & RSS feed cache directory
68$GLOBALS['config']['PAGECACHE'] = 'pagecache';
69
28bb2b74
V		 70/*
71 * Global configuration
72 */
73// Ban IP after this many failures
74$GLOBALS['config']['BAN_AFTER'] = 4;
75// Ban duration for IP address after login failures (in seconds)
76$GLOBALS['config']['BAN_DURATION'] = 1800;
77
78// Feed options
79// Enable RSS permalinks by default.
80// This corresponds to the default behavior of shaarli before this was added as an option.
81$GLOBALS['config']['ENABLE_RSS_PERMALINKS'] = true;
82// If true, an extra "ATOM feed" button will be displayed in the toolbar
83$GLOBALS['config']['SHOW_ATOM'] = false;
84
85// Link display options
caee7ff9 86$GLOBALS['config']['HIDE_PUBLIC_LINKS'] = false;
28bb2b74
V		 87$GLOBALS['config']['HIDE_TIMESTAMPS'] = false;
88$GLOBALS['config']['LINKS_PER_PAGE'] = 20;
89
90// Open Shaarli (true): anyone can add/edit/delete links without having to login
91$GLOBALS['config']['OPEN_SHAARLI'] = false;
92
93// Thumbnails
94// Display thumbnails in links
95$GLOBALS['config']['ENABLE_THUMBNAILS'] = true;
96// Store thumbnails in a local cache
97$GLOBALS['config']['ENABLE_LOCALCACHE'] = true;
98
99// Update check frequency for Shaarli. 86400 seconds=24 hours
4407b45f
V		 100$GLOBALS['config']['UPDATECHECK_BRANCH'] = 'stable';
101$GLOBALS['config']['UPDATECHECK_INTERVAL'] = 86400;
28bb2b74
V		 102
103
104/*
105 * Plugin configuration
106 *
107 * Warning: order matters!
108 *
109 * These settings may be be overriden in:
110 * - data/config.php
111 * - each plugin's configuration file
112 */
6fc14d53
A		 113//$GLOBALS['config']['ENABLED_PLUGINS'] = array(
114// 'qrcode', 'archiveorg', 'readityourself', 'demo_plugin', 'playvideos',
115// 'wallabag', 'markdown', 'addlink_toolbar',
116//);
6fc14d53
A		 117$GLOBALS['config']['ENABLED_PLUGINS'] = array('qrcode');
118
091e2d13
A		 119// Initialize plugin parameters array.
120$GLOBALS['plugins'] = array();
28bb2b74
V		 121
122// PubSubHubbub support. Put an empty string to disable, or put your hub url here to enable.
123$GLOBALS['config']['PUBSUBHUB_URL'] = '';
124
125/*
126 * PHP configuration
127 */
797a6f30 128define('shaarli_version', '0.6.5');
28bb2b74 129
ae00595b
CH		 130// http://server.com/x/shaarli --> /shaarli/
131define('WEB_PATH', substr($_SERVER["REQUEST_URI"], 0, 1+strrpos($_SERVER["REQUEST_URI"], '/', 0)));
45034273 132
28bb2b74
V		 133// High execution time in case of problematic imports/exports.
134ini_set('max_input_time','60');
135
136// Try to set max upload file size and read
137ini_set('memory_limit', '128M');
45034273
SS		 138ini_set('post_max_size', '16M');
139ini_set('upload_max_filesize', '16M');
45034273 140
28bb2b74
V		 141// See all error except warnings
142error_reporting(E_ALL^E_WARNING);
143// See all errors (for debugging only)
144//error_reporting(-1);
145
146/*
147 * User configuration
148 */
50c9a12e
V		 149if (is_file($GLOBALS['config']['CONFIG_FILE'])) {
150 require_once $GLOBALS['config']['CONFIG_FILE'];
151}
152
ca74886f 153// Shaarli library
2e28269b 154require_once 'application/ApplicationUtils.php';
01e48f26
V		 155require_once 'application/Cache.php';
156require_once 'application/CachedPage.php';
82e36802 157require_once 'application/FeedBuilder.php';
2e28269b 158require_once 'application/FileUtils.php';
451314eb 159require_once 'application/HttpUtils.php';
ca74886f 160require_once 'application/LinkDB.php';
822bffce 161require_once 'application/LinkFilter.php';
1557cefb 162require_once 'application/LinkUtils.php';
d1e2f8e5 163require_once 'application/TimeZone.php';
d9d776af 164require_once 'application/Url.php';
ca74886f 165require_once 'application/Utils.php';
dd484b90 166require_once 'application/Config.php';
6fc14d53
A		 167require_once 'application/PluginManager.php';
168require_once 'application/Router.php';
510377d2 169require_once 'application/Updater.php';
ca74886f 170
d1e2f8e5
V		 171// Ensure the PHP version is supported
172try {
c9cf2715 173 ApplicationUtils::checkPHPVersion('5.3', PHP_VERSION);
2e28269b 174} catch(Exception $exc) {
d1e2f8e5 175 header('Content-Type: text/plain; charset=utf-8');
2e28269b 176 echo $exc->getMessage();
d1e2f8e5
V		 177 exit;
178}
179
06b6660a
A		 180// Force cookie path (but do not change lifetime)
181$cookie = session_get_cookie_params();
182$cookiedir = '';
183if (dirname($_SERVER['SCRIPT_NAME']) != '/') {
184 $cookiedir = dirname($_SERVER["SCRIPT_NAME"]).'/';
185}
186// Set default cookie expiration and path.
187session_set_cookie_params($cookie['lifetime'], $cookiedir, $_SERVER['SERVER_NAME']);
188// Set session parameters on server side.
189// If the user does not access any page within this time, his/her session is considered expired.
190define('INACTIVITY_TIMEOUT', 3600); // in seconds.
191// Use cookies to store session.
192ini_set('session.use_cookies', 1);
193// Force cookies for session (phpsessionID forbidden in URL).
194ini_set('session.use_only_cookies', 1);
195// Prevent PHP form using sessionID in URL if cookies are disabled.
196ini_set('session.use_trans_sid', false);
197
06b6660a
A		 198session_name('shaarli');
199// Start session if needed (Some server auto-start sessions).
200if (session_id() == '') {
201 session_start();
202}
203
68bc2135
V		 204// Regenerate session ID if invalid or not defined in cookie.
205if (isset($_COOKIE['shaarli']) && !is_session_id_valid($_COOKIE['shaarli'])) {
206 session_regenerate_id(true);
207 $_COOKIE['shaarli'] = session_id();
208}
209
45034273 210include "inc/rain.tpl.class.php"; //include Rain TPL
25f5c59d 211raintpl::$tpl_dir = $GLOBALS['config']['RAINTPL_TPL']; // template directory
25f5c59d 212raintpl::$cache_dir = $GLOBALS['config']['RAINTPL_TMP']; // cache directory
45034273 213
6fc14d53
A		 214$pluginManager = PluginManager::getInstance();
215$pluginManager->load($GLOBALS['config']['ENABLED_PLUGINS']);
216
45034273
SS		 217ob_start(); // Output buffering for the page cache.
218
219
220// In case stupid admin has left magic_quotes enabled in php.ini:
221if (get_magic_quotes_gpc())
222{
223 function stripslashes_deep($value) { $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value); return $value; }
224 $_POST = array_map('stripslashes_deep', $_POST);
225 $_GET = array_map('stripslashes_deep', $_GET);
226 $_COOKIE = array_map('stripslashes_deep', $_COOKIE);
227}
228
229// Prevent caching on client side or proxy: (yes, it's ugly)
230header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
231header("Cache-Control: no-store, no-cache, must-revalidate");
232header("Cache-Control: post-check=0, pre-check=0", false);
233header("Pragma: no-cache");
234
45034273 235// Handling of old config file which do not have the new parameters.
482d67bd 236if (empty($GLOBALS['title'])) $GLOBALS['title']='Shared links on '.escape(index_url($_SERVER));
45034273 237if (empty($GLOBALS['timezone'])) $GLOBALS['timezone']=date_default_timezone_get();
8a80e4fe 238if (empty($GLOBALS['redirector'])) $GLOBALS['redirector']='';
45034273 239if (empty($GLOBALS['disablesessionprotection'])) $GLOBALS['disablesessionprotection']=false;
bb8f712d 240if (empty($GLOBALS['privateLinkByDefault'])) $GLOBALS['privateLinkByDefault']=false;
ebb2880d 241if (empty($GLOBALS['titleLink'])) $GLOBALS['titleLink']='?';
858c5c2b 242// I really need to rewrite Shaarli with a proper configuation manager.
45034273 243
50c9a12e 244if (! is_file($GLOBALS['config']['CONFIG_FILE'])) {
2e28269b
V		 245 // Ensure Shaarli has proper access to its resources
246 $errors = ApplicationUtils::checkResourcePermissions($GLOBALS['config']);
247
248 if ($errors != array()) {
249 $message = '<p>Insufficient permissions:</p><ul>';
250
251 foreach ($errors as $error) {
252 $message .= '<li>'.$error.'</li>';
253 }
254 $message .= '</ul>';
255
256 header('Content-Type: text/html; charset=utf-8');
257 echo $message;
258 exit;
259 }
260
261 // Display the installation form if no existing config is found
50c9a12e
V		 262 install();
263}
8a80e4fe 264
5f85fcd8
A		 265$GLOBALS['title'] = !empty($GLOBALS['title']) ? escape($GLOBALS['title']) : '';
266$GLOBALS['titleLink'] = !empty($GLOBALS['titleLink']) ? escape($GLOBALS['titleLink']) : '';
267$GLOBALS['redirector'] = !empty($GLOBALS['redirector']) ? escape($GLOBALS['redirector']) : '';
8a80e4fe 268
ae00595b
CH		 269// a token depending of deployment salt, user password, and the current ip
270define('STAY_SIGNED_IN_TOKEN', sha1($GLOBALS['hash'].$_SERVER["REMOTE_ADDR"].$GLOBALS['salt']));
8a80e4fe 271
408def1a
A		 272// Sniff browser language and set date format accordingly.
273if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
274 autoLocale($_SERVER['HTTP_ACCEPT_LANGUAGE']);
275}
45034273
SS		 276header('Content-Type: text/html; charset=utf-8'); // We use UTF-8 for proper international characters handling.
277
ff69d87e
FE		 278//==================================================================================================
279// Checking session state (i.e. is the user still logged in)
280//==================================================================================================
281
282function setup_login_state() {
ff69d87e 283 if ($GLOBALS['config']['OPEN_SHAARLI']) {
02ad8fb6 284 return true;
ff69d87e 285 }
02ad8fb6
JP		 286 $userIsLoggedIn = false; // By default, we do not consider the user as logged in;
287 $loginFailure = false; // If set to true, every attempt to authenticate the user will fail. This indicates that an important condition isn't met.
ff69d87e
FE		 288 if (!isset($GLOBALS['login'])) {
289 $userIsLoggedIn = false; // Shaarli is not configured yet.
290 $loginFailure = true;
291 }
292 if (isset($_COOKIE['shaarli_staySignedIn']) &&
293 $_COOKIE['shaarli_staySignedIn']===STAY_SIGNED_IN_TOKEN &&
294 !$loginFailure)
295 {
296 fillSessionInfo();
297 $userIsLoggedIn = true;
298 }
299 // If session does not exist on server side, or IP address has changed, or session has expired, logout.
300 if (empty($_SESSION['uid']) ||
301 ($GLOBALS['disablesessionprotection']==false && $_SESSION['ip']!=allIPs()) ||
302 time() >= $_SESSION['expires_on'])
303 {
304 logout();
305 $userIsLoggedIn = false;
306 $loginFailure = true;
307 }
308 if (!empty($_SESSION['longlastingsession'])) {
309 $_SESSION['expires_on']=time()+$_SESSION['longlastingsession']; // In case of "Stay signed in" checked.
310 }
311 else {
312 $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Standard session expiration date.
313 }
314 if (!$loginFailure) {
315 $userIsLoggedIn = true;
316 }
317
318 return $userIsLoggedIn;
319}
ff69d87e 320$userIsLoggedIn = setup_login_state();
45034273 321
45034273
SS		 322// ------------------------------------------------------------------------------------------
323// PubSubHubbub protocol support (if enabled) [UNTESTED]
324// (Source: http://aldarone.fr/les-flux-rss-shaarli-et-pubsubhubbub/ )
325if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) include './publisher.php';
326function pubsubhub()
327{
328 if (!empty($GLOBALS['config']['PUBSUBHUB_URL']))
329 {
330 $p = new Publisher($GLOBALS['config']['PUBSUBHUB_URL']);
331 $topic_url = array (
482d67bd
V		 332 index_url($_SERVER).'?do=atom',
333 index_url($_SERVER).'?do=rss'
45034273
SS		 334 );
335 $p->publish_update($topic_url);
336 }
337}
338
339// ------------------------------------------------------------------------------------------
340// Session management
45034273
SS		 341
342// Returns the IP address of the client (Used to prevent session cookie hijacking.)
343function allIPs()
344{
345 $ip = $_SERVER["REMOTE_ADDR"];
346 // Then we use more HTTP headers to prevent session hijacking from users behind the same proxy.
347 if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $ip=$ip.'_'.$_SERVER['HTTP_X_FORWARDED_FOR']; }
348 if (isset($_SERVER['HTTP_CLIENT_IP'])) { $ip=$ip.'_'.$_SERVER['HTTP_CLIENT_IP']; }
349 return $ip;
350}
351
ae00595b 352function fillSessionInfo() {
ad6c27b7 353 $_SESSION['uid'] = sha1(uniqid('',true).'_'.mt_rand()); // Generate unique random number (different than phpsessionid)
ae00595b
CH		 354 $_SESSION['ip']=allIPs(); // We store IP address(es) of the client to make sure session is not hijacked.
355 $_SESSION['username']=$GLOBALS['login'];
356 $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Set session expiration.
357}
358
45034273
SS		 359// Check that user/password is correct.
360function check_auth($login,$password)
361{
362 $hash = sha1($password.$login.$GLOBALS['salt']);
363 if ($login==$GLOBALS['login'] && $hash==$GLOBALS['hash'])
364 { // Login/password is correct.
ae00595b 365 fillSessionInfo();
1abe6555 366 logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'Login successful');
45034273
SS		 367 return True;
368 }
1abe6555 369 logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'Login failed for user '.$login);
45034273
SS		 370 return False;
371}
372
373// Returns true if the user is logged in.
374function isLoggedIn()
375{
ff69d87e
FE		 376 global $userIsLoggedIn;
377 return $userIsLoggedIn;
45034273
SS		 378}
379
380// Force logout.
ff69d87e
FE		 381function logout() {
382 if (isset($_SESSION)) {
383 unset($_SESSION['uid']);
384 unset($_SESSION['ip']);
385 unset($_SESSION['username']);
386 unset($_SESSION['privateonly']);
387 }
388 setcookie('shaarli_staySignedIn', FALSE, 0, WEB_PATH);
ae00595b 389}
45034273
SS		 390
391
392// ------------------------------------------------------------------------------------------
393// Brute force protection system
394// Several consecutive failed logins will ban the IP address for 30 minutes.
395if (!is_file($GLOBALS['config']['IPBANS_FILENAME'])) file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export(array('FAILURES'=>array(),'BANS'=>array()),true).";\n?>");
396include $GLOBALS['config']['IPBANS_FILENAME'];
397// Signal a failed login. Will ban the IP if too many failures:
398function ban_loginFailed()
399{
400 $ip=$_SERVER["REMOTE_ADDR"]; $gb=$GLOBALS['IPBANS'];
401 if (!isset($gb['FAILURES'][$ip])) $gb['FAILURES'][$ip]=0;
402 $gb['FAILURES'][$ip]++;
403 if ($gb['FAILURES'][$ip]>($GLOBALS['config']['BAN_AFTER']-1))
404 {
405 $gb['BANS'][$ip]=time()+$GLOBALS['config']['BAN_DURATION'];
1abe6555 406 logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'IP address banned from login');
45034273
SS		 407 }
408 $GLOBALS['IPBANS'] = $gb;
409 file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>");
410}
411
412// Signals a successful login. Resets failed login counter.
413function ban_loginOk()
414{
415 $ip=$_SERVER["REMOTE_ADDR"]; $gb=$GLOBALS['IPBANS'];
416 unset($gb['FAILURES'][$ip]); unset($gb['BANS'][$ip]);
417 $GLOBALS['IPBANS'] = $gb;
418 file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>");
419}
420
421// Checks if the user CAN login. If 'true', the user can try to login.
422function ban_canLogin()
423{
424 $ip=$_SERVER["REMOTE_ADDR"]; $gb=$GLOBALS['IPBANS'];
425 if (isset($gb['BANS'][$ip]))
426 {
427 // User is banned. Check if the ban has expired:
428 if ($gb['BANS'][$ip]<=time())
429 { // Ban expired, user can try to login again.
1abe6555 430 logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'Ban lifted.');
45034273
SS		 431 unset($gb['FAILURES'][$ip]); unset($gb['BANS'][$ip]);
432 file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>");
433 return true; // Ban has expired, user can login.
434 }
435 return false; // User is banned.
436 }
437 return true; // User is not banned.
438}
439
440// ------------------------------------------------------------------------------------------
441// Process login form: Check if login/password is correct.
442if (isset($_POST['login']))
443{
444 if (!ban_canLogin()) die('I said: NO. You are banned for the moment. Go away.');
445 if (isset($_POST['password']) && tokenOk($_POST['token']) && (check_auth($_POST['login'], $_POST['password'])))
ad6c27b7 446 { // Login/password is OK.
45034273
SS		 447 ban_loginOk();
448 // If user wants to keep the session cookie even after the browser closes:
449 if (!empty($_POST['longlastingsession']))
450 {
ae00595b 451 setcookie('shaarli_staySignedIn', STAY_SIGNED_IN_TOKEN, time()+31536000, WEB_PATH);
45034273
SS		 452 $_SESSION['longlastingsession']=31536000; // (31536000 seconds = 1 year)
453 $_SESSION['expires_on']=time()+$_SESSION['longlastingsession']; // Set session expiration on server-side.
2d9fab88
SS		 454
455 $cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/';
2f32d074 456 session_set_cookie_params($_SESSION['longlastingsession'],$cookiedir,$_SERVER['SERVER_NAME']); // Set session cookie expiration on client side
ad6c27b7 457 // Note: Never forget the trailing slash on the cookie path!
45034273
SS		 458 session_regenerate_id(true); // Send cookie with new expiration date to browser.
459 }
460 else // Standard session expiration (=when browser closes)
461 {
2d9fab88 462 $cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/';
2f32d074 463 session_set_cookie_params(0,$cookiedir,$_SERVER['SERVER_NAME']); // 0 means "When browser closes"
45034273
SS		 464 session_regenerate_id(true);
465 }
f4c84ad7 466
45034273 467 // Optional redirect after login:
5fbabbb9
A		 468 if (isset($_GET['post'])) {
469 $uri = '?post='. urlencode($_GET['post']);
470 foreach (array('description', 'source', 'title') as $param) {
471 if (!empty($_GET[$param])) {
472 $uri .= '&'.$param.'='.urlencode($_GET[$param]);
473 }
474 }
475 header('Location: '. $uri);
476 exit;
477 }
478
479 if (isset($_GET['edit_link'])) {
480 header('Location: ?edit_link='. escape($_GET['edit_link']));
481 exit;
482 }
483
484 if (isset($_POST['returnurl'])) {
485 // Prevent loops over login screen.
486 if (strpos($_POST['returnurl'], 'do=login') === false) {
487 header('Location: '. escape($_POST['returnurl']));
488 exit;
489 }
45034273
SS		 490 }
491 header('Location: ?'); exit;
492 }
493 else
494 {
495 ban_loginFailed();
705f8355 496 $redir = '';
5fbabbb9
A		 497 if (isset($_GET['post'])) {
498 $redir = '?post=' . urlencode($_GET['post']);
499 foreach (array('description', 'source', 'title') as $param) {
500 if (!empty($_GET[$param])) {
501 $redir .= '&' . $param . '=' . urlencode($_GET[$param]);
502 }
503 }
504 }
fe16b01e 505 echo '<script>alert("Wrong login/password.");document.location=\'?do=login'.$redir.'\';</script>'; // Redirect to login screen.
45034273
SS		 506 exit;
507 }
508}
509
510// ------------------------------------------------------------------------------------------
511// Misc utility functions:
512
ad6c27b7 513// Convert post_max_size/upload_max_filesize (e.g. '16M') parameters to bytes.
45034273
SS		 514function return_bytes($val)
515{
516 $val = trim($val); $last=strtolower($val[strlen($val)-1]);
517 switch($last)
518 {
519 case 'g': $val *= 1024;
520 case 'm': $val *= 1024;
521 case 'k': $val *= 1024;
522 }
523 return $val;
524}
525
526// Try to determine max file size for uploads (POST).
527// Returns an integer (in bytes)
528function getMaxFileSize()
529{
530 $size1 = return_bytes(ini_get('post_max_size'));
531 $size2 = return_bytes(ini_get('upload_max_filesize'));
532 // Return the smaller of two:
533 $maxsize = min($size1,$size2);
ad6c27b7 534 // FIXME: Then convert back to readable notations ? (e.g. 2M instead of 2000000)
45034273
SS		 535 return $maxsize;
536}
537
45034273
SS		 538// ------------------------------------------------------------------------------------------
539// Token management for XSRF protection
540// Token should be used in any form which acts on data (create,update,delete,import...).
541if (!isset($_SESSION['tokens'])) $_SESSION['tokens']=array(); // Token are attached to the session.
542
543// Returns a token.
544function getToken()
545{
a1f5a6ec 546 $rnd = sha1(uniqid('',true).'_'.mt_rand().$GLOBALS['salt']); // We generate a random string.
45034273
SS		 547 $_SESSION['tokens'][$rnd]=1; // Store it on the server side.
548 return $rnd;
549}
550
ad6c27b7 551// Tells if a token is OK. Using this function will destroy the token.
552// true=token is OK.
45034273
SS		 553function tokenOk($token)
554{
555 if (isset($_SESSION['tokens'][$token]))
556 {
557 unset($_SESSION['tokens'][$token]); // Token is used: destroy it.
ad6c27b7 558 return true; // Token is OK.
45034273
SS		 559 }
560 return false; // Wrong token, or already used.
561}
562
563// ------------------------------------------------------------------------------------------
564/* This class is in charge of building the final page.
565 (This is basically a wrapper around RainTPL which pre-fills some fields.)
566 p = new pageBuilder;
567 p.assign('myfield','myvalue');
568 p.renderPage('mytemplate');
bb8f712d 569
45034273
SS		 570*/
571class pageBuilder
572{
573 private $tpl; // RainTPL template
574
575 function __construct()
576 {
056107ab 577 $this->tpl = false;
bb8f712d 578 }
45034273 579
056107ab
A		 580 /**
581 * Initialize all default tpl tags.
582 */
45034273 583 private function initialize()
bb8f712d
KT		 584 {
585 $this->tpl = new RainTPL;
4407b45f
V		 586
587 try {
588 $version = ApplicationUtils::checkUpdate(
589 shaarli_version,
590 $GLOBALS['config']['UPDATECHECK_FILENAME'],
591 $GLOBALS['config']['UPDATECHECK_INTERVAL'],
592 $GLOBALS['config']['ENABLE_UPDATECHECK'],
593 isLoggedIn(),
594 $GLOBALS['config']['UPDATECHECK_BRANCH']
595 );
596 $this->tpl->assign('newVersion', escape($version));
4a7af975 597 $this->tpl->assign('versionError', '');
4407b45f
V		 598
599 } catch (Exception $exc) {
1abe6555 600 logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], $exc->getMessage());
4a7af975 601 $this->tpl->assign('newVersion', '');
4407b45f
V		 602 $this->tpl->assign('versionError', escape($exc->getMessage()));
603 }
604
056107ab
A		 605 $this->tpl->assign('feedurl', escape(index_url($_SERVER)));
606 $searchcrits = ''; // Search criteria
607 if (!empty($_GET['searchtags'])) {
608 $searchcrits .= '&searchtags=' . urlencode($_GET['searchtags']);
609 }
c51fae92 610 if (!empty($_GET['searchterm'])) {
056107ab
A		 611 $searchcrits .= '&searchterm=' . urlencode($_GET['searchterm']);
612 }
613 $this->tpl->assign('searchcrits', $searchcrits);
614 $this->tpl->assign('source', index_url($_SERVER));
615 $this->tpl->assign('version', shaarli_version);
616 $this->tpl->assign('scripturl', index_url($_SERVER));
617 $this->tpl->assign('pagetitle', 'Shaarli');
618 $this->tpl->assign('privateonly', !empty($_SESSION['privateonly'])); // Show only private links?
619 if (!empty($GLOBALS['title'])) {
620 $this->tpl->assign('pagetitle', $GLOBALS['title']);
621 }
622 if (!empty($GLOBALS['titleLink'])) {
623 $this->tpl->assign('titleLink', $GLOBALS['titleLink']);
624 }
625 if (!empty($GLOBALS['pagetitle'])) {
626 $this->tpl->assign('pagetitle', $GLOBALS['pagetitle']);
627 }
628 $this->tpl->assign('shaarlititle', empty($GLOBALS['title']) ? 'Shaarli': $GLOBALS['title']);
e4b9a763
A		 629 if (!empty($GLOBALS['plugin_errors'])) {
630 $this->tpl->assign('plugin_errors', $GLOBALS['plugin_errors']);
056107ab 631 }
45034273 632 }
bb8f712d 633
45034273
SS		 634 // The following assign() method is basically the same as RainTPL (except that it's lazy)
635 public function assign($what,$where)
636 {
637 if ($this->tpl===false) $this->initialize(); // Lazy initialization
638 $this->tpl->assign($what,$where);
639 }
bb8f712d 640
1c2fdb98
A		 641 /**
642 * Assign an array of data to the template builder.
643 *
644 * @param array $data Data to assign.
645 *
646 * @return false if invalid data.
647 */
648 public function assignAll($data)
649 {
650 // Lazy initialization
651 if ($this->tpl === false) {
652 $this->initialize();
653 }
654
655 if (empty($data) || !is_array($data)){
656 return false;
657 }
658
659 foreach ($data as $key => $value) {
660 $this->assign($key, $value);
661 }
662 }
663
45034273 664 // Render a specific page (using a template).
ad6c27b7 665 // e.g. pb.renderPage('picwall')
45034273
SS		 666 public function renderPage($page)
667 {
668 if ($this->tpl===false) $this->initialize(); // Lazy initialization
669 $this->tpl->draw($page);
670 }
f4c84ad7
D		 671
672 /**
673 * Render a 404 page (uses the template : tpl/404.tpl)
674 *
675 * usage : $PAGE->render404('The link was deleted')
676 * @param string $message A messate to display what is not found
677 */
678 public function render404($message='The page you are trying to reach does not exist or has been deleted.') {
679 header($_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found');
680 $this->tpl->assign('error_message', $message);
681 $this->renderPage('404');
682 }
45034273
SS		 683}
684
45034273
SS		 685// ------------------------------------------------------------------------------------------
686// Daily RSS feed: 1 RSS entry per day giving all the links on that day.
687// Gives the last 7 days (which have links).
688// This RSS feed cannot be filtered.
f3b8f9f0 689function showDailyRSS() {
45034273
SS		 690 // Cache system
691 $query = $_SERVER["QUERY_STRING"];
01e48f26
V		 692 $cache = new CachedPage(
693 $GLOBALS['config']['PAGECACHE'],
482d67bd 694 page_url($_SERVER),
01e48f26
V		 695 startsWith($query,'do=dailyrss') && !isLoggedIn()
696 );
f3b8f9f0
A		 697 $cached = $cache->cachedVersion();
698 if (!empty($cached)) {
699 echo $cached;
700 exit;
701 }
9f15ca9e 702
f3b8f9f0
A		 703 // If cached was not found (or not usable), then read the database and build the response:
704 // Read links from database (and filter private links if used it not logged in).
9f15ca9e 705 $LINKSDB = new LinkDB(
9c8752a2 706 $GLOBALS['config']['DATASTORE'],
02ad8fb6 707 isLoggedIn(),
90e5bd65
A		 708 $GLOBALS['config']['HIDE_PUBLIC_LINKS'],
709 $GLOBALS['redirector']
9f15ca9e 710 );
bb8f712d 711
45034273
SS		 712 /* Some Shaarlies may have very few links, so we need to look
713 back in time (rsort()) until we have enough days ($nb_of_days).
714 */
f3b8f9f0
A		 715 $linkdates = array();
716 foreach ($LINKSDB as $linkdate => $value) {
717 $linkdates[] = $linkdate;
718 }
45034273 719 rsort($linkdates);
f3b8f9f0
A		 720 $nb_of_days = 7; // We take 7 days.
721 $today = Date('Ymd');
722 $days = array();
723
724 foreach ($linkdates as $linkdate) {
725 $day = substr($linkdate, 0, 8); // Extract day (without time)
726 if (strcmp($day,$today) < 0) {
727 if (empty($days[$day])) {
728 $days[$day] = array();
729 }
730 $days[$day][] = $linkdate;
731 }
732
733 if (count($days) > $nb_of_days) {
734 break; // Have we collected enough days?
45034273 735 }
45034273 736 }
bb8f712d 737
45034273
SS		 738 // Build the RSS feed.
739 header('Content-Type: application/rss+xml; charset=utf-8');
482d67bd 740 $pageaddr = escape(index_url($_SERVER));
45034273 741 echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">';
f3b8f9f0
A		 742 echo '<channel>';
743 echo '<title>Daily - '. $GLOBALS['title'] . '</title>';
744 echo '<link>'. $pageaddr .'</link>';
745 echo '<description>Daily shared links</description>';
746 echo '<language>en-en</language>';
747 echo '<copyright>'. $pageaddr .'</copyright>'. PHP_EOL;
748
749 // For each day.
750 foreach ($days as $day => $linkdates) {
205a4277 751 $dayDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $day.'_000000');
482d67bd 752 $absurl = escape(index_url($_SERVER).'?do=daily&day='.$day); // Absolute URL of the corresponding "Daily" page.
bb8f712d 753
45034273 754 // Build the HTML body of this RSS entry.
f3b8f9f0
A		 755 $html = '';
756 $href = '';
757 $links = array();
758
45034273 759 // We pre-format some fields for proper output.
f3b8f9f0 760 foreach ($linkdates as $linkdate) {
45034273 761 $l = $LINKSDB[$linkdate];
90e5bd65 762 $l['formatedDescription'] = format_description($l['description'], $GLOBALS['redirector']);
bb8f712d 763 $l['thumbnail'] = thumbnail($l['url']);
205a4277
V		 764 $l_date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $l['linkdate']);
765 $l['timestamp'] = $l_date->getTimestamp();
f3b8f9f0 766 if (startsWith($l['url'], '?')) {
482d67bd 767 $l['url'] = index_url($_SERVER) . $l['url']; // make permalink URL absolute
f3b8f9f0
A		 768 }
769 $links[$linkdate] = $l;
45034273 770 }
f3b8f9f0 771
45034273 772 // Then build the HTML for this day:
bb8f712d 773 $tpl = new RainTPL;
f3b8f9f0 774 $tpl->assign('title', $GLOBALS['title']);
205a4277 775 $tpl->assign('daydate', $dayDate->getTimestamp());
f3b8f9f0
A		 776 $tpl->assign('absurl', $absurl);
777 $tpl->assign('links', $links);
205a4277 778 $tpl->assign('rssdate', escape($dayDate->format(DateTime::RSS)));
f3b8f9f0 779 $html = $tpl->draw('dailyrss', $return_string=true);
45034273 780
f3b8f9f0 781 echo $html . PHP_EOL;
bb8f712d 782 }
482d67bd 783 echo '</channel></rss><!-- Cached version of '. escape(page_url($_SERVER)) .' -->';
bb8f712d 784
45034273
SS		 785 $cache->cache(ob_get_contents());
786 ob_end_flush();
787 exit;
788}
789
38603b24
A		 790/**
791 * Show the 'Daily' page.
792 *
793 * @param PageBuilder $pageBuilder Template engine wrapper.
794 */
795function showDaily($pageBuilder)
45034273 796{
9f15ca9e 797 $LINKSDB = new LinkDB(
9c8752a2 798 $GLOBALS['config']['DATASTORE'],
02ad8fb6 799 isLoggedIn(),
90e5bd65
A		 800 $GLOBALS['config']['HIDE_PUBLIC_LINKS'],
801 $GLOBALS['redirector']
9f15ca9e 802 );
45034273
SS		 803
804 $day=Date('Ymd',strtotime('-1 day')); // Yesterday, in format YYYYMMDD.
805 if (isset($_GET['day'])) $day=$_GET['day'];
bb8f712d 806
45034273
SS		 807 $days = $LINKSDB->days();
808 $i = array_search($day,$days);
f3db3774 809 if ($i===false) { $i=count($days)-1; $day=$days[$i]; }
bb8f712d
KT		 810 $previousday='';
811 $nextday='';
45034273
SS		 812 if ($i!==false)
813 {
f3db3774 814 if ($i>=1) $previousday=$days[$i-1];
45034273
SS		 815 if ($i<count($days)-1) $nextday=$days[$i+1];
816 }
817
9186ab95 818 try {
822bffce 819 $linksToDisplay = $LINKSDB->filter(LinkFilter::$FILTER_DAY, $day);
9186ab95
V		 820 } catch (Exception $exc) {
821 error_log($exc);
d1e2f8e5 822 $linksToDisplay = array();
9186ab95
V		 823 }
824
45034273
SS		 825 // We pre-format some fields for proper output.
826 foreach($linksToDisplay as $key=>$link)
827 {
5f85fcd8 828
dd62b9ba
SS		 829 $taglist = explode(' ',$link['tags']);
830 uasort($taglist, 'strcasecmp');
831 $linksToDisplay[$key]['taglist']=$taglist;
90e5bd65 832 $linksToDisplay[$key]['formatedDescription'] = format_description($link['description'], $GLOBALS['redirector']);
bb8f712d 833 $linksToDisplay[$key]['thumbnail'] = thumbnail($link['url']);
205a4277
V		 834 $date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
835 $linksToDisplay[$key]['timestamp'] = $date->getTimestamp();
45034273 836 }
bb8f712d 837
45034273 838 /* We need to spread the articles on 3 columns.
ad6c27b7 839 I did not want to use a JavaScript lib like http://masonry.desandro.com/
bb8f712d 840 so I manually spread entries with a simple method: I roughly evaluate the
45034273
SS		 841 height of a div according to title and description length.
842 */
843 $columns=array(array(),array(),array()); // Entries to display, for each column.
844 $fill=array(0,0,0); // Rough estimate of columns fill.
845 foreach($linksToDisplay as $key=>$link)
846 {
847 // Roughly estimate length of entry (by counting characters)
848 // Title: 30 chars = 1 line. 1 line is 30 pixels height.
849 // Description: 836 characters gives roughly 342 pixel height.
ad6c27b7 850 // This is not perfect, but it's usually OK.
45034273
SS		 851 $length=strlen($link['title'])+(342*strlen($link['description']))/836;
852 if ($link['thumbnail']) $length +=100; // 1 thumbnails roughly takes 100 pixels height.
853 // Then put in column which is the less filled:
854 $smallest=min($fill); // find smallest value in array.
855 $index=array_search($smallest,$fill); // find index of this smallest value.
856 array_push($columns[$index],$link); // Put entry in this column.
857 $fill[$index]+=$length;
858 }
38603b24 859
205a4277 860 $dayDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $day.'_000000');
6fc14d53
A		 861 $data = array(
862 'linksToDisplay' => $linksToDisplay,
863 'linkcount' => count($LINKSDB),
864 'cols' => $columns,
205a4277 865 'day' => $dayDate->getTimestamp(),
6fc14d53
A		 866 'previousday' => $previousday,
867 'nextday' => $nextday,
868 );
869 $pluginManager = PluginManager::getInstance();
870 $pluginManager->executeHooks('render_daily', $data, array('loggedin' => isLoggedIn()));
871
872 foreach ($data as $key => $value) {
38603b24 873 $pageBuilder->assign($key, $value);
6fc14d53
A		 874 }
875
38603b24 876 $pageBuilder->renderPage('daily');
45034273
SS		 877 exit;
878}
879
6fc14d53
A		 880// Renders the linklist
881function showLinkList($PAGE, $LINKSDB) {
882 buildLinkList($PAGE,$LINKSDB); // Compute list of links to display
883 $PAGE->renderPage('linklist');
884}
885
45034273
SS		 886
887// ------------------------------------------------------------------------------------------
888// Render HTML page (according to URL parameters and user rights)
889function renderPage()
890{
9f15ca9e 891 $LINKSDB = new LinkDB(
9c8752a2 892 $GLOBALS['config']['DATASTORE'],
02ad8fb6 893 isLoggedIn(),
90e5bd65
A		 894 $GLOBALS['config']['HIDE_PUBLIC_LINKS'],
895 $GLOBALS['redirector']
9f15ca9e 896 );
45034273 897
510377d2
A		 898 $updater = new Updater(
899 read_updates_file($GLOBALS['config']['UPDATES_FILE']),
900 $GLOBALS,
901 $LINKSDB,
902 isLoggedIn()
903 );
904 try {
905 $newUpdates = $updater->update();
906 if (! empty($newUpdates)) {
907 write_updates_file(
908 $GLOBALS['config']['UPDATES_FILE'],
909 $updater->getDoneUpdates()
910 );
911 }
912 }
913 catch(Exception $e) {
914 die($e->getMessage());
915 }
916
6fc14d53
A		 917 $PAGE = new pageBuilder;
918
919 // Determine which page will be rendered.
920 $query = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : '';
921 $targetPage = Router::findPage($query, $_GET, isLoggedIn());
922
923 // Call plugin hooks for header, footer and includes, specifying which page will be rendered.
924 // Then assign generated data to RainTPL.
925 $common_hooks = array(
fea5db7a 926 'includes',
6fc14d53
A		 927 'header',
928 'footer',
6fc14d53
A		 929 );
930 $pluginManager = PluginManager::getInstance();
931 foreach($common_hooks as $name) {
932 $plugin_data = array();
933 $pluginManager->executeHooks('render_' . $name, $plugin_data,
934 array(
935 'target' => $targetPage,
936 'loggedin' => isLoggedIn()
937 )
938 );
939 $PAGE->assign('plugins_' . $name, $plugin_data);
940 }
941
45034273 942 // -------- Display login form.
6fc14d53 943 if ($targetPage == Router::$PAGE_LOGIN)
45034273
SS		 944 {
945 if ($GLOBALS['config']['OPEN_SHAARLI']) { header('Location: ?'); exit; } // No need to login for open Shaarli
946 $token=''; if (ban_canLogin()) $token=getToken(); // Do not waste token generation if not useful.
45034273 947 $PAGE->assign('token',$token);
5f85fcd8 948 $PAGE->assign('returnurl',(isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']):''));
45034273
SS		 949 $PAGE->renderPage('loginform');
950 exit;
951 }
952 // -------- User wants to logout.
953 if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=logout'))
954 {
01e48f26 955 invalidateCaches($GLOBALS['config']['PAGECACHE']);
45034273
SS		 956 logout();
957 header('Location: ?');
958 exit;
959 }
960
961 // -------- Picture wall
6fc14d53 962 if ($targetPage == Router::$PAGE_PICWALL)
45034273 963 {
ad6c27b7 964 // Optionally filter the results:
c51fae92
A		 965 $searchtags = !empty($_GET['searchtags']) ? escape($_GET['searchtags']) : '';
966 $searchterm = !empty($_GET['searchterm']) ? escape($_GET['searchterm']) : '';
967 if (! empty($searchtags) && ! empty($searchterm)) {
968 $links = $LINKSDB->filter(
969 LinkFilter::$FILTER_TAG | LinkFilter::$FILTER_TEXT,
970 array($searchtags, $searchterm)
971 );
822bffce 972 }
c51fae92
A		 973 elseif ($searchtags) {
974 $links = $LINKSDB->filter(LinkFilter::$FILTER_TAG, $searchtags);
975 }
976 elseif ($searchterm) {
977 $links = $LINKSDB->filter(LinkFilter::$FILTER_TEXT, $searchterm);
822bffce
A		 978 }
979 else {
980 $links = $LINKSDB;
981 }
f3db3774 982
822bffce 983 $linksToDisplay = array();
45034273
SS		 984
985 // Get only links which have a thumbnail.
986 foreach($links as $link)
987 {
5f85fcd8 988 $permalink='?'.escape(smallhash($link['linkdate']));
45034273
SS		 989 $thumb=lazyThumbnail($link['url'],$permalink);
990 if ($thumb!='') // Only output links which have a thumbnail.
991 {
992 $link['thumbnail']=$thumb; // Thumbnail HTML code.
45034273
SS		 993 $linksToDisplay[]=$link; // Add to array.
994 }
995 }
f3db3774 996
6fc14d53
A		 997 $data = array(
998 'linkcount' => count($LINKSDB),
999 'linksToDisplay' => $linksToDisplay,
1000 );
1001 $pluginManager->executeHooks('render_picwall', $data, array('loggedin' => isLoggedIn()));
1002
1003 foreach ($data as $key => $value) {
1004 $PAGE->assign($key, $value);
1005 }
1006
45034273
SS		 1007 $PAGE->renderPage('picwall');
1008 exit;
1009 }
1010
1011 // -------- Tag cloud
6fc14d53 1012 if ($targetPage == Router::$PAGE_TAGCLOUD)
45034273
SS		 1013 {
1014 $tags= $LINKSDB->allTags();
a037ac69 1015
45034273
SS		 1016 // We sort tags alphabetically, then choose a font size according to count.
1017 // First, find max value.
f1e96a06
A		 1018 $maxcount = 0;
1019 foreach ($tags as $value) {
1020 $maxcount = max($maxcount, $value);
1021 }
1022
1023 // Sort tags alphabetically: case insensitive, support locale if avalaible.
1024 uksort($tags, function($a, $b) {
1025 // Collator is part of PHP intl.
1026 if (class_exists('Collator')) {
7eb0a832
A		 1027 $c = new Collator(setlocale(LC_COLLATE, 0));
1028 if (!intl_is_failure(intl_get_error_code())) {
1029 return $c->compare($a, $b);
1030 }
f1e96a06 1031 }
7eb0a832 1032 return strcasecmp($a, $b);
f1e96a06
A		 1033 });
1034
45034273
SS		 1035 $tagList=array();
1036 foreach($tags as $key=>$value)
f1e96a06 1037 // Tag font size scaling: default 15 and 30 logarithm bases affect scaling, 22 and 6 are arbitrary font sizes for max and min sizes.
45034273 1038 {
1e3b2740 1039 $tagList[$key] = array('count'=>$value,'size'=>log($value, 15) / log($maxcount, 30) * (22-6) + 6);
45034273 1040 }
6fc14d53
A		 1041
1042 $data = array(
1043 'linkcount' => count($LINKSDB),
1044 'tags' => $tagList,
1045 );
1046 $pluginManager->executeHooks('render_tagcloud', $data, array('loggedin' => isLoggedIn()));
1047
1048 foreach ($data as $key => $value) {
1049 $PAGE->assign($key, $value);
1050 }
1051
45034273 1052 $PAGE->renderPage('tagcloud');
bb8f712d 1053 exit;
45034273
SS		 1054 }
1055
38603b24
A		 1056 // Daily page.
1057 if ($targetPage == Router::$PAGE_DAILY) {
1058 showDaily($PAGE);
1059 }
1060
82e36802
A		 1061 // ATOM and RSS feed.
1062 if ($targetPage == Router::$PAGE_FEED_ATOM || $targetPage == Router::$PAGE_FEED_RSS) {
1063 $feedType = $targetPage == Router::$PAGE_FEED_RSS ? FeedBuilder::$FEED_RSS : FeedBuilder::$FEED_ATOM;
1064 header('Content-Type: application/'. $feedType .'+xml; charset=utf-8');
1065
1066 // Cache system
1067 $query = $_SERVER['QUERY_STRING'];
1068 $cache = new CachedPage(
1069 $GLOBALS['config']['PAGECACHE'],
1070 page_url($_SERVER),
1071 startsWith($query,'do='. $targetPage) && !isLoggedIn()
1072 );
1073 $cached = $cache->cachedVersion();
1074 if (!empty($cached)) {
1075 echo $cached;
1076 exit;
1077 }
69c474b9 1078
82e36802
A		 1079 // Generate data.
1080 $feedGenerator = new FeedBuilder($LINKSDB, $feedType, $_SERVER, $_GET, isLoggedIn());
1081 $feedGenerator->setLocale(strtolower(setlocale(LC_COLLATE, 0)));
1082 $feedGenerator->setHideDates($GLOBALS['config']['HIDE_TIMESTAMPS'] && !isLoggedIn());
1083 $feedGenerator->setUsePermalinks(isset($_GET['permalinks']) || !$GLOBALS['config']['ENABLE_RSS_PERMALINKS']);
1084 if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) {
1085 $feedGenerator->setPubsubhubUrl($GLOBALS['config']['PUBSUBHUB_URL']);
1086 }
1087 $data = $feedGenerator->buildData();
1088
1089 // Process plugin hook.
1090 $pluginManager = PluginManager::getInstance();
1091 $pluginManager->executeHooks('render_feed', $data, array(
1092 'loggedin' => isLoggedIn(),
1093 'target' => $targetPage,
1094 ));
1095
1096 // Render the template.
1097 $PAGE->assignAll($data);
1098 $PAGE->renderPage('feed.'. $feedType);
1099 $cache->cache(ob_get_contents());
1100 ob_end_flush();
1101 exit;
e67712ba
A		 1102 }
1103
8f8113b9
A		 1104 // Display openseach plugin (XML)
1105 if ($targetPage == Router::$PAGE_OPENSEARCH) {
1106 header('Content-Type: application/xml; charset=utf-8');
1107 $PAGE->assign('serverurl', index_url($_SERVER));
1108 $PAGE->renderPage('opensearch');
1109 exit;
1110 }
1111
45034273
SS		 1112 // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...)
1113 if (isset($_GET['addtag']))
1114 {
1115 // Get previous URL (http_referer) and add the tag to the searchtags parameters in query.
1116 if (empty($_SERVER['HTTP_REFERER'])) { header('Location: ?searchtags='.urlencode($_GET['addtag'])); exit; } // In case browser does not send HTTP_REFERER
1117 parse_str(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_QUERY), $params);
732e683b 1118
775803a0
A		 1119 // Prevent redirection loop
1120 if (isset($params['addtag'])) {
1121 unset($params['addtag']);
1122 }
1123
732e683b
FE		 1124 // Check if this tag is already in the search query and ignore it if it is.
1125 // Each tag is always separated by a space
6ac95d9c
A		 1126 if (isset($params['searchtags'])) {
1127 $current_tags = explode(' ', $params['searchtags']);
1128 } else {
1129 $current_tags = array();
1130 }
732e683b
FE		 1131 $addtag = true;
1132 foreach ($current_tags as $value) {
1133 if ($value === $_GET['addtag']) {
1134 $addtag = false;
1135 break;
1136 }
1137 }
1138 // Append the tag if necessary
1139 if (empty($params['searchtags'])) {
1140 $params['searchtags'] = trim($_GET['addtag']);
1141 }
1142 else if ($addtag) {
1143 $params['searchtags'] = trim($params['searchtags']).' '.trim($_GET['addtag']);
1144 }
1145
45034273
SS		 1146 unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different)
1147 header('Location: ?'.http_build_query($params));
1148 exit;
1149 }
1150
1151 // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...)
775803a0 1152 if (isset($_GET['removetag'])) {
45034273 1153 // Get previous URL (http_referer) and remove the tag from the searchtags parameters in query.
775803a0
A		 1154 if (empty($_SERVER['HTTP_REFERER'])) {
1155 header('Location: ?');
1156 exit;
1157 }
1158
1159 // In case browser does not send HTTP_REFERER
1160 parse_str(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_QUERY), $params);
1161
1162 // Prevent redirection loop
1163 if (isset($params['removetag'])) {
1164 unset($params['removetag']);
1165 }
1166
1167 if (isset($params['searchtags'])) {
822bffce 1168 $tags = explode(' ', $params['searchtags']);
2c75f8e7
A		 1169 // Remove value from array $tags.
1170 $tags = array_diff($tags, array($_GET['removetag']));
1171 $params['searchtags'] = implode(' ',$tags);
1172
1173 if (empty($params['searchtags'])) {
775803a0 1174 unset($params['searchtags']);
775803a0 1175 }
2c75f8e7 1176
45034273
SS		 1177 unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different)
1178 }
1179 header('Location: ?'.http_build_query($params));
1180 exit;
1181 }
1182
1183 // -------- User wants to change the number of links per page (linksperpage=...)
775803a0
A		 1184 if (isset($_GET['linksperpage'])) {
1185 if (is_numeric($_GET['linksperpage'])) {
1186 $_SESSION['LINKS_PER_PAGE']=abs(intval($_GET['linksperpage']));
1187 }
1188
1189 header('Location: '. generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('linksperpage')));
45034273
SS		 1190 exit;
1191 }
bb8f712d 1192
45034273 1193 // -------- User wants to see only private links (toggle)
775803a0
A		 1194 if (isset($_GET['privateonly'])) {
1195 if (empty($_SESSION['privateonly'])) {
1196 $_SESSION['privateonly'] = 1; // See only private links
1197 } else {
45034273
SS		 1198 unset($_SESSION['privateonly']); // See all links
1199 }
775803a0
A		 1200
1201 header('Location: '. generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('privateonly')));
45034273
SS		 1202 exit;
1203 }
1204
1205 // -------- Handle other actions allowed for non-logged in users:
1206 if (!isLoggedIn())
1207 {
ad6c27b7 1208 // User tries to post new link but is not logged in:
45034273
SS		 1209 // Show login screen, then redirect to ?post=...
1210 if (isset($_GET['post']))
1211 {
a1795ddc 1212 header('Location: ?do=login&post='.urlencode($_GET['post']).(!empty($_GET['title'])?'&title='.urlencode($_GET['title']):'').(!empty($_GET['description'])?'&description='.urlencode($_GET['description']):'').(!empty($_GET['source'])?'&source='.urlencode($_GET['source']):'')); // Redirect to login page, then back to post link.
45034273
SS		 1213 exit;
1214 }
aedc912d
FE		 1215
1216 // Same case as above except that user tried to access ?do=addlink without being logged in
1217 // Note: passing empty parameters makes Shaarli generate default URLs and descriptions.
1218 if (isset($_GET['do']) && $_GET['do'] === 'addlink') {
1219 header('Location: ?do=login&post=');
1220 exit;
1221 }
6fc14d53 1222 showLinkList($PAGE, $LINKSDB);
5fbabbb9
A		 1223 if (isset($_GET['edit_link'])) {
1224 header('Location: ?do=login&edit_link='. escape($_GET['edit_link']));
1225 exit;
1226 }
1227
ad6c27b7 1228 exit; // Never remove this one! All operations below are reserved for logged in user.
45034273
SS		 1229 }
1230
1231 // -------- All other functions are reserved for the registered user:
1232
1233 // -------- Display the Tools menu if requested (import/export/bookmarklet...)
6fc14d53 1234 if ($targetPage == Router::$PAGE_TOOLS)
45034273 1235 {
6fc14d53
A		 1236 $data = array(
1237 'linkcount' => count($LINKSDB),
1238 'pageabsaddr' => index_url($_SERVER),
1239 );
1240 $pluginManager->executeHooks('render_tools', $data);
1241
1242 foreach ($data as $key => $value) {
1243 $PAGE->assign($key, $value);
1244 }
1245
45034273
SS		 1246 $PAGE->renderPage('tools');
1247 exit;
1248 }
1249
1250 // -------- User wants to change his/her password.
6fc14d53 1251 if ($targetPage == Router::$PAGE_CHANGEPASSWORD)
45034273
SS		 1252 {
1253 if ($GLOBALS['config']['OPEN_SHAARLI']) die('You are not supposed to change a password on an Open Shaarli.');
1254 if (!empty($_POST['setpassword']) && !empty($_POST['oldpassword']))
1255 {
ad6c27b7 1256 if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away!
45034273
SS		 1257
1258 // Make sure old password is correct.
1259 $oldhash = sha1($_POST['oldpassword'].$GLOBALS['login'].$GLOBALS['salt']);
fe16b01e 1260 if ($oldhash!=$GLOBALS['hash']) { echo '<script>alert("The old password is not correct.");document.location=\'?do=changepasswd\';</script>'; exit; }
45034273
SS		 1261 // Save new password
1262 $GLOBALS['salt'] = sha1(uniqid('',true).'_'.mt_rand()); // Salt renders rainbow-tables attacks useless.
1263 $GLOBALS['hash'] = sha1($_POST['setpassword'].$GLOBALS['login'].$GLOBALS['salt']);
dd484b90
A		 1264 try {
1265 writeConfig($GLOBALS, isLoggedIn());
1266 }
1267 catch(Exception $e) {
1268 error_log(
1269 'ERROR while writing config file after changing password.' . PHP_EOL .
1270 $e->getMessage()
1271 );
1272
1273 // TODO: do not handle exceptions/errors in JS.
1274 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=tools\';</script>';
1275 exit;
1276 }
fe16b01e 1277 echo '<script>alert("Your password has been changed.");document.location=\'?do=tools\';</script>';
45034273
SS		 1278 exit;
1279 }
1280 else // show the change password form.
1281 {
45034273
SS		 1282 $PAGE->assign('linkcount',count($LINKSDB));
1283 $PAGE->assign('token',getToken());
1284 $PAGE->renderPage('changepassword');
1285 exit;
1286 }
1287 }
1288
1289 // -------- User wants to change configuration
6fc14d53 1290 if ($targetPage == Router::$PAGE_CONFIGURE)
45034273
SS		 1291 {
1292 if (!empty($_POST['title']) )
1293 {
ad6c27b7 1294 if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away!
45034273
SS		 1295 $tz = 'UTC';
1296 if (!empty($_POST['continent']) && !empty($_POST['city']))
d1e2f8e5 1297 if (isTimeZoneValid($_POST['continent'],$_POST['city']))
45034273
SS		 1298 $tz = $_POST['continent'].'/'.$_POST['city'];
1299 $GLOBALS['timezone'] = $tz;
1300 $GLOBALS['title']=$_POST['title'];
ebb2880d 1301 $GLOBALS['titleLink']=$_POST['titleLink'];
45034273
SS		 1302 $GLOBALS['redirector']=$_POST['redirector'];
1303 $GLOBALS['disablesessionprotection']=!empty($_POST['disablesessionprotection']);
bb8f712d 1304 $GLOBALS['privateLinkByDefault']=!empty($_POST['privateLinkByDefault']);
ed5b38dd 1305 $GLOBALS['config']['ENABLE_RSS_PERMALINKS']= !empty($_POST['enableRssPermalinks']);
329e0768 1306 $GLOBALS['config']['ENABLE_UPDATECHECK'] = !empty($_POST['updateCheck']);
caee7ff9 1307 $GLOBALS['config']['HIDE_PUBLIC_LINKS'] = !empty($_POST['hidePublicLinks']);
dd484b90
A		 1308 try {
1309 writeConfig($GLOBALS, isLoggedIn());
1310 }
1311 catch(Exception $e) {
1312 error_log(
1313 'ERROR while writing config file after configuration update.' . PHP_EOL .
1314 $e->getMessage()
1315 );
1316
1317 // TODO: do not handle exceptions/errors in JS.
1318 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=tools\';</script>';
1319 exit;
1320 }
fe16b01e 1321 echo '<script>alert("Configuration was saved.");document.location=\'?do=tools\';</script>';
45034273
SS		 1322 exit;
1323 }
1324 else // Show the configuration form.
1325 {
45034273
SS		 1326 $PAGE->assign('linkcount',count($LINKSDB));
1327 $PAGE->assign('token',getToken());
5f85fcd8
A		 1328 $PAGE->assign('title', empty($GLOBALS['title']) ? '' : $GLOBALS['title'] );
1329 $PAGE->assign('redirector', empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector'] );
d1e2f8e5
V		 1330 list($timezone_form, $timezone_js) = generateTimeZoneForm($GLOBALS['timezone']);
1331 $PAGE->assign('timezone_form', $timezone_form);
45034273
SS		 1332 $PAGE->assign('timezone_js',$timezone_js);
1333 $PAGE->renderPage('configure');
1334 exit;
1335 }
1336 }
1337
1338 // -------- User wants to rename a tag or delete it
6fc14d53 1339 if ($targetPage == Router::$PAGE_CHANGETAG)
45034273 1340 {
6a6aa2b9
A		 1341 if (empty($_POST['fromtag']) || (empty($_POST['totag']) && isset($_POST['renametag']))) {
1342 $PAGE->assign('linkcount', count($LINKSDB));
1343 $PAGE->assign('token', getToken());
bdd1715b 1344 $PAGE->assign('tags', $LINKSDB->allTags());
45034273
SS		 1345 $PAGE->renderPage('changetag');
1346 exit;
1347 }
6a6aa2b9
A		 1348
1349 if (!tokenOk($_POST['token'])) {
1350 die('Wrong token.');
1351 }
45034273
SS		 1352
1353 // Delete a tag:
6a6aa2b9 1354 if (isset($_POST['deletetag']) && !empty($_POST['fromtag'])) {
45034273 1355 $needle=trim($_POST['fromtag']);
822bffce
A		 1356 // True for case-sensitive tag search.
1357 $linksToAlter = $LINKSDB->filter(LinkFilter::$FILTER_TAG, $needle, true);
45034273
SS		 1358 foreach($linksToAlter as $key=>$value)
1359 {
1360 $tags = explode(' ',trim($value['tags']));
1361 unset($tags[array_search($needle,$tags)]); // Remove tag.
1362 $value['tags']=trim(implode(' ',$tags));
1363 $LINKSDB[$key]=$value;
1364 }
2e28269b 1365 $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']);
fe16b01e 1366 echo '<script>alert("Tag was removed from '.count($linksToAlter).' links.");document.location=\'?\';</script>';
45034273
SS		 1367 exit;
1368 }
1369
1370 // Rename a tag:
6a6aa2b9 1371 if (isset($_POST['renametag']) && !empty($_POST['fromtag']) && !empty($_POST['totag'])) {
45034273 1372 $needle=trim($_POST['fromtag']);
822bffce
A		 1373 // True for case-sensitive tag search.
1374 $linksToAlter = $LINKSDB->filter(LinkFilter::$FILTER_TAG, $needle, true);
45034273
SS		 1375 foreach($linksToAlter as $key=>$value)
1376 {
1377 $tags = explode(' ',trim($value['tags']));
ad6c27b7 1378 $tags[array_search($needle,$tags)] = trim($_POST['totag']); // Replace tags value.
45034273
SS		 1379 $value['tags']=trim(implode(' ',$tags));
1380 $LINKSDB[$key]=$value;
1381 }
01e48f26 1382 $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // Save to disk.
fe16b01e 1383 echo '<script>alert("Tag was renamed in '.count($linksToAlter).' links.");document.location=\'?searchtags='.urlencode($_POST['totag']).'\';</script>';
45034273
SS		 1384 exit;
1385 }
1386 }
1387
ad6c27b7 1388 // -------- User wants to add a link without using the bookmarklet: Show form.
6fc14d53 1389 if ($targetPage == Router::$PAGE_ADDLINK)
45034273 1390 {
45034273
SS		 1391 $PAGE->assign('linkcount',count($LINKSDB));
1392 $PAGE->renderPage('addlink');
1393 exit;
1394 }
1395
1396 // -------- User clicked the "Save" button when editing a link: Save link to database.
1397 if (isset($_POST['save_edit']))
1398 {
5a23950c
A		 1399 // Go away!
1400 if (! tokenOk($_POST['token'])) {
1401 die('Wrong token.');
1402 }
1403 // Remove multiple spaces.
1404 $tags = trim(preg_replace('/\s\s+/', ' ', $_POST['lf_tags']));
ce354bf1
A		 1405 // Remove first '-' char in tags.
1406 $tags = preg_replace('/(^| )\-/', '$1', $tags);
5a23950c
A		 1407 // Remove duplicates.
1408 $tags = implode(' ', array_unique(explode(' ', $tags)));
1409 $linkdate = $_POST['lf_linkdate'];
feebc6d4 1410 $url = trim($_POST['lf_url']);
5a23950c
A		 1411 if (! startsWith($url, 'http:') && ! startsWith($url, 'https:')
1412 && ! startsWith($url, 'ftp:') && ! startsWith($url, 'magnet:')
1413 && ! startsWith($url, '?') && ! startsWith($url, 'javascript:')
1414 ) {
1415 $url = 'http://' . $url;
1416 }
1417
1418 $link = array(
1419 'title' => trim($_POST['lf_title']),
1420 'url' => $url,
ed853da7 1421 'description' => $_POST['lf_description'],
5a23950c
A		 1422 'private' => (isset($_POST['lf_private']) ? 1 : 0),
1423 'linkdate' => $linkdate,
1424 'tags' => str_replace(',', ' ', $tags)
1425 );
1426 // If title is empty, use the URL as title.
1427 if ($link['title'] == '') {
1428 $link['title'] = $link['url'];
1429 }
6fc14d53
A		 1430
1431 $pluginManager->executeHooks('save_link', $link);
1432
45034273 1433 $LINKSDB[$linkdate] = $link;
5a23950c 1434 $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']);
45034273
SS		 1435 pubsubhub();
1436
1437 // If we are called from the bookmarklet, we must close the popup:
d01c2342
A		 1438 if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) {
1439 echo '<script>self.close();</script>';
1440 exit;
1441 }
1442
fd50e14c 1443 $returnurl = !empty($_POST['returnurl']) ? $_POST['returnurl'] : '?';
775803a0 1444 $location = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link'));
5a23950c
A		 1445 // Scroll to the link which has been edited.
1446 $location .= '#' . smallHash($_POST['lf_linkdate']);
1447 // After saving the link, redirect to the page the user was on.
1448 header('Location: '. $location);
45034273
SS		 1449 exit;
1450 }
1451
1452 // -------- User clicked the "Cancel" button when editing a link.
1453 if (isset($_POST['cancel_edit']))
1454 {
ad6c27b7 1455 // If we are called from the bookmarklet, we must close the popup:
d33c5d4c 1456 if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo '<script>self.close();</script>'; exit; }
45034273 1457 $returnurl = ( isset($_POST['returnurl']) ? $_POST['returnurl'] : '?' );
b342b2a4 1458 $returnurl .= '#'.smallHash($_POST['lf_linkdate']); // Scroll to the link which has been edited.
775803a0 1459 $returnurl = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link'));
45034273
SS		 1460 header('Location: '.$returnurl); // After canceling, redirect to the page the user was on.
1461 exit;
1462 }
1463
ad6c27b7 1464 // -------- User clicked the "Delete" button when editing a link: Delete link from database.
45034273
SS		 1465 if (isset($_POST['delete_link']))
1466 {
1467 if (!tokenOk($_POST['token'])) die('Wrong token.');
1468 // We do not need to ask for confirmation:
ad6c27b7 1469 // - confirmation is handled by JavaScript
45034273
SS		 1470 // - we are protected from XSRF by the token.
1471 $linkdate=$_POST['lf_linkdate'];
6fc14d53
A		 1472
1473 $pluginManager->executeHooks('delete_link', $LINKSDB[$linkdate]);
1474
45034273 1475 unset($LINKSDB[$linkdate]);
01e48f26 1476 $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // save to disk
45034273
SS		 1477
1478 // If we are called from the bookmarklet, we must close the popup:
d33c5d4c 1479 if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo '<script>self.close();</script>'; exit; }
d528433d 1480 // Pick where we're going to redirect
1481 // =============================================================
1482 // Basically, we can't redirect to where we were previously if it was a permalink
1483 // or an edit_link, because it would 404.
1484 // Cases:
1485 // - / : nothing in $_GET, redirect to self
1486 // - /?page : redirect to self
d33c5d4c 1487 // - /?searchterm : redirect to self (there might be other links)
d528433d 1488 // - /?searchtags : redirect to self
1489 // - /permalink : redirect to / (the link does not exist anymore)
1490 // - /?edit_link : redirect to / (the link does not exist anymore)
1491 // PHP treats the permalink as a $_GET variable, so we need to check if every condition for self
1492 // redirect is not satisfied, and only then redirect to /
1493 $location = "?";
1494 // Self redirection
775803a0
A		 1495 if (count($_GET) == 0
1496 || isset($_GET['page'])
1497 || isset($_GET['searchterm'])
1498 || isset($_GET['searchtags'])
1499 ) {
d528433d 1500 if (isset($_POST['returnurl'])) {
1501 $location = $_POST['returnurl']; // Handle redirects given by the form
775803a0
A		 1502 } else {
1503 $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('delete_link'));
d528433d 1504 }
1505 }
1506
1507 header('Location: ' . $location); // After deleting the link, redirect to appropriate location
45034273
SS		 1508 exit;
1509 }
1510
1511 // -------- User clicked the "EDIT" button on a link: Display link edit form.
1512 if (isset($_GET['edit_link']))
1513 {
1514 $link = $LINKSDB[$_GET['edit_link']]; // Read database
1515 if (!$link) { header('Location: ?'); exit; } // Link not found in database.
6fc14d53
A		 1516 $data = array(
1517 'linkcount' => count($LINKSDB),
1518 'link' => $link,
1519 'link_is_new' => false,
1520 'token' => getToken(),
1521 'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
1522 'tags' => $LINKSDB->allTags(),
1523 );
1524 $pluginManager->executeHooks('render_editlink', $data);
1525
1526 foreach ($data as $key => $value) {
1527 $PAGE->assign($key, $value);
1528 }
1529
45034273
SS		 1530 $PAGE->renderPage('editlink');
1531 exit;
1532 }
1533
1534 // -------- User want to post a new link: Display link edit form.
d9d776af 1535 if (isset($_GET['post'])) {
1557cefb 1536 $url = cleanup_url(escape($_GET['post']));
45034273
SS		 1537
1538 $link_is_new = false;
9e1724f1 1539 // Check if URL is not already in database (in this case, we will edit the existing link)
ef591e7e 1540 $link = $LINKSDB->getLinkFromUrl($url);
45034273
SS		 1541 if (!$link)
1542 {
9e1724f1 1543 $link_is_new = true;
45034273 1544 $linkdate = strval(date('Ymd_His'));
9e1724f1 1545 // Get title if it was provided in URL (by the bookmarklet).
739dc243 1546 $title = empty($_GET['title']) ? '' : escape($_GET['title']);
9e1724f1 1547 // Get description if it was provided in URL (by the bookmarklet). [Bronco added that]
739dc243
A		 1548 $description = empty($_GET['description']) ? '' : escape($_GET['description']);
1549 $tags = empty($_GET['tags']) ? '' : escape($_GET['tags']);
1550 $private = !empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0;
26c50346 1551 // If this is an HTTP(S) link, we try go get the page to extract the title (otherwise we will to straight to the edit form.)
ef591e7e 1552 if (empty($title) && strpos(get_url_scheme($url), 'http') !== false) {
451314eb 1553 // Short timeout to keep the application responsive
1557cefb 1554 list($headers, $content) = get_http_response($url, 4);
451314eb 1555 if (strpos($headers[0], '200 OK') !== false) {
1557cefb
A		 1556 // Retrieve charset.
1557 $charset = get_charset($headers, $content);
1558 // Extract title.
1559 $title = html_extract_title($content);
1560 // Re-encode title in utf-8 if necessary.
1561 if (! empty($title) && $charset != 'utf-8') {
1562 $title = mb_convert_encoding($title, $charset, 'utf-8');
9e1724f1
A		 1563 }
1564 }
45034273 1565 }
1557cefb 1566
9e1724f1
A		 1567 if ($url == '') {
1568 $url = '?' . smallHash($linkdate);
1569 $title = 'Note: ';
27646ca5 1570 }
1557cefb 1571
9e1724f1
A		 1572 $link = array(
1573 'linkdate' => $linkdate,
1574 'title' => $title,
ef591e7e 1575 'url' => $url,
9e1724f1
A		 1576 'description' => $description,
1577 'tags' => $tags,
1578 'private' => $private
1579 );
45034273
SS		 1580 }
1581
6fc14d53
A		 1582 $data = array(
1583 'linkcount' => count($LINKSDB),
1584 'link' => $link,
1585 'link_is_new' => $link_is_new,
1586 'token' => getToken(), // XSRF protection.
1587 'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
1588 'source' => (isset($_GET['source']) ? $_GET['source'] : ''),
1589 'tags' => $LINKSDB->allTags(),
1590 );
1591 $pluginManager->executeHooks('render_editlink', $data);
1592
1593 foreach ($data as $key => $value) {
1594 $PAGE->assign($key, $value);
1595 }
1596
45034273
SS		 1597 $PAGE->renderPage('editlink');
1598 exit;
1599 }
1600
1601 // -------- Export as Netscape Bookmarks HTML file.
6fc14d53 1602 if ($targetPage == Router::$PAGE_EXPORT)
45034273
SS		 1603 {
1604 if (empty($_GET['what']))
1605 {
45034273
SS		 1606 $PAGE->assign('linkcount',count($LINKSDB));
1607 $PAGE->renderPage('export');
1608 exit;
1609 }
1610 $exportWhat=$_GET['what'];
ad6c27b7 1611 if (!array_intersect(array('all','public','private'),array($exportWhat))) die('What are you trying to export???');
45034273
SS		 1612
1613 header('Content-Type: text/html; charset=utf-8');
1614 header('Content-disposition: attachment; filename=bookmarks_'.$exportWhat.'_'.strval(date('Ymd_His')).'.html');
1615 $currentdate=date('Y/m/d H:i:s');
1616 echo <<<HTML
1617<!DOCTYPE NETSCAPE-Bookmark-file-1>
1618<!-- This is an automatically generated file.
1619 It will be read and overwritten.
1620 DO NOT EDIT! -->
1621<!-- Shaarli {$exportWhat} bookmarks export on {$currentdate} -->
1622<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8">
1623<TITLE>Bookmarks</TITLE>
1624<H1>Bookmarks</H1>
1625HTML;
1626 foreach($LINKSDB as $link)
1627 {
1628 if ($exportWhat=='all' ||
1629 ($exportWhat=='private' && $link['private']!=0) ||
1630 ($exportWhat=='public' && $link['private']==0))
1631 {
205a4277
V		 1632 $date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
1633 echo '<DT><A HREF="'.$link['url'].'" ADD_DATE="'.$date->getTimestamp().'" PRIVATE="'.$link['private'].'"';
5f85fcd8
A		 1634 if ($link['tags']!='') echo ' TAGS="'.str_replace(' ',',',$link['tags']).'"';
1635 echo '>'.$link['title']."</A>\n";
1636 if ($link['description']!='') echo '<DD>'.$link['description']."\n";
45034273
SS		 1637 }
1638 }
1639 exit;
1640 }
1641
1642 // -------- User is uploading a file for import
1643 if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=upload'))
1644 {
1645 // If file is too big, some form field may be missing.
1646 if (!isset($_POST['token']) || (!isset($_FILES)) || (isset($_FILES['filetoupload']['size']) && $_FILES['filetoupload']['size']==0))
1647 {
1648 $returnurl = ( empty($_SERVER['HTTP_REFERER']) ? '?' : $_SERVER['HTTP_REFERER'] );
5f85fcd8 1649 echo '<script>alert("The file you are trying to upload is probably bigger than what this webserver can accept ('.getMaxFileSize().' bytes). Please upload in smaller chunks.");document.location=\''.escape($returnurl).'\';</script>';
45034273
SS		 1650 exit;
1651 }
1652 if (!tokenOk($_POST['token'])) die('Wrong token.');
1653 importFile();
1654 exit;
1655 }
1656
1657 // -------- Show upload/import dialog:
6fc14d53 1658 if ($targetPage == Router::$PAGE_IMPORT)
45034273 1659 {
45034273
SS		 1660 $PAGE->assign('linkcount',count($LINKSDB));
1661 $PAGE->assign('token',getToken());
1662 $PAGE->assign('maxfilesize',getMaxFileSize());
1663 $PAGE->renderPage('import');
1664 exit;
1665 }
1666
dea0ba28
A		 1667 // Plugin administration page
1668 if ($targetPage == Router::$PAGE_PLUGINSADMIN) {
1669 $pluginMeta = $pluginManager->getPluginsMeta();
1670
1671 // Split plugins into 2 arrays: ordered enabled plugins and disabled.
1672 $enabledPlugins = array_filter($pluginMeta, function($v) { return $v['order'] !== false; });
1673 // Load parameters.
1674 $enabledPlugins = load_plugin_parameter_values($enabledPlugins, $GLOBALS['plugins']);
1675 uasort(
1676 $enabledPlugins,
1677 function($a, $b) { return $a['order'] - $b['order']; }
1678 );
1679 $disabledPlugins = array_filter($pluginMeta, function($v) { return $v['order'] === false; });
1680
1681 $PAGE->assign('enabledPlugins', $enabledPlugins);
1682 $PAGE->assign('disabledPlugins', $disabledPlugins);
1683 $PAGE->renderPage('pluginsadmin');
1684 exit;
1685 }
1686
1687 // Plugin administration form action
1688 if ($targetPage == Router::$PAGE_SAVE_PLUGINSADMIN) {
1689 try {
1690 if (isset($_POST['parameters_form'])) {
1691 unset($_POST['parameters_form']);
1692 foreach ($_POST as $param => $value) {
1693 $GLOBALS['plugins'][$param] = escape($value);
1694 }
1695 }
1696 else {
1697 $GLOBALS['config']['ENABLED_PLUGINS'] = save_plugin_config($_POST);
1698 }
1699 writeConfig($GLOBALS, isLoggedIn());
1700 }
1701 catch (Exception $e) {
1702 error_log(
1703 'ERROR while saving plugin configuration:.' . PHP_EOL .
1704 $e->getMessage()
1705 );
1706
1707 // TODO: do not handle exceptions/errors in JS.
59edea42 1708 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do='. Router::$PAGE_PLUGINSADMIN .'\';</script>';
dea0ba28
A		 1709 exit;
1710 }
1711 header('Location: ?do='. Router::$PAGE_PLUGINSADMIN);
1712 exit;
1713 }
1714
45034273 1715 // -------- Otherwise, simply display search form and links:
6fc14d53 1716 showLinkList($PAGE, $LINKSDB);
45034273
SS		 1717 exit;
1718}
1719
1720// -----------------------------------------------------------------------------------------------
1721// Process the import file form.
1722function importFile()
1723{
02ad8fb6 1724 if (!isLoggedIn()) { die('Not allowed.'); }
9f15ca9e 1725 $LINKSDB = new LinkDB(
9c8752a2 1726 $GLOBALS['config']['DATASTORE'],
02ad8fb6 1727 isLoggedIn(),
90e5bd65
A		 1728 $GLOBALS['config']['HIDE_PUBLIC_LINKS'],
1729 $GLOBALS['redirector']
9f15ca9e 1730 );
45034273
SS		 1731 $filename=$_FILES['filetoupload']['name'];
1732 $filesize=$_FILES['filetoupload']['size'];
1733 $data=file_get_contents($_FILES['filetoupload']['tmp_name']);
ad6c27b7 1734 $private = (empty($_POST['private']) ? 0 : 1); // Should the links be imported as private?
1735 $overwrite = !empty($_POST['overwrite']) ; // Should the imported links overwrite existing ones?
45034273
SS		 1736 $import_count=0;
1737
1738 // Sniff file type:
1739 $type='unknown';
1740 if (startsWith($data,'<!DOCTYPE NETSCAPE-Bookmark-file-1>')) $type='netscape'; // Netscape bookmark file (aka Firefox).
1741
1742 // Then import the bookmarks.
1743 if ($type=='netscape')
1744 {
1745 // This is a standard Netscape-style bookmark file.
ad6c27b7 1746 // This format is supported by all browsers (except IE, of course), also Delicious, Diigo and others.
45034273
SS		 1747 foreach(explode('<DT>',$data) as $html) // explode is very fast
1748 {
1749 $link = array('linkdate'=>'','title'=>'','url'=>'','description'=>'','tags'=>'','private'=>0);
1750 $d = explode('<DD>',$html);
1751 if (startswith($d[0],'<A '))
1752 {
1753 $link['description'] = (isset($d[1]) ? html_entity_decode(trim($d[1]),ENT_QUOTES,'UTF-8') : ''); // Get description (optional)
1754 preg_match('!<A .*?>(.*?)</A>!i',$d[0],$matches); $link['title'] = (isset($matches[1]) ? trim($matches[1]) : ''); // Get title
1755 $link['title'] = html_entity_decode($link['title'],ENT_QUOTES,'UTF-8');
1756 preg_match_all('! ([A-Z_]+)=\"(.*?)"!i',$html,$matches,PREG_SET_ORDER); // Get all other attributes
1757 $raw_add_date=0;
1758 foreach($matches as $m)
1759 {
1760 $attr=$m[1]; $value=$m[2];
1761 if ($attr=='HREF') $link['url']=html_entity_decode($value,ENT_QUOTES,'UTF-8');
fc93ae1d
AA		 1762 elseif ($attr=='ADD_DATE')
1763 {
1764 $raw_add_date=intval($value);
1765 if ($raw_add_date>30000000000) $raw_add_date/=1000; //If larger than year 2920, then was likely stored in milliseconds instead of seconds
1766 }
45034273
SS		 1767 elseif ($attr=='PRIVATE') $link['private']=($value=='0'?0:1);
1768 elseif ($attr=='TAGS') $link['tags']=html_entity_decode(str_replace(',',' ',$value),ENT_QUOTES,'UTF-8');
1769 }
1770 if ($link['url']!='')
1771 {
1772 if ($private==1) $link['private']=1;
1773 $dblink = $LINKSDB->getLinkFromUrl($link['url']); // See if the link is already in database.
1774 if ($dblink==false)
1775 { // Link not in database, let's import it...
1776 if (empty($raw_add_date)) $raw_add_date=time(); // In case of shitty bookmark file with no ADD_DATE
1777
1778 // Make sure date/time is not already used by another link.
1779 // (Some bookmark files have several different links with the same ADD_DATE)
ad6c27b7 1780 // We increment date by 1 second until we find a date which is not used in DB.
45034273
SS		 1781 // (so that links that have the same date/time are more or less kept grouped by date, but do not conflict.)
1782 while (!empty($LINKSDB[date('Ymd_His',$raw_add_date)])) { $raw_add_date++; }// Yes, I know it's ugly.
1783 $link['linkdate']=date('Ymd_His',$raw_add_date);
1784 $LINKSDB[$link['linkdate']] = $link;
1785 $import_count++;
1786 }
ad6c27b7 1787 else // Link already present in database.
45034273
SS		 1788 {
1789 if ($overwrite)
1790 { // If overwrite is required, we import link data, except date/time.
1791 $link['linkdate']=$dblink['linkdate'];
1792 $LINKSDB[$link['linkdate']] = $link;
1793 $import_count++;
1794 }
1795 }
1796
1797 }
1798 }
1799 }
01e48f26 1800 $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']);
45034273 1801
fe16b01e 1802 echo '<script>alert("File '.json_encode($filename).' ('.$filesize.' bytes) was successfully processed: '.$import_count.' links imported.");document.location=\'?\';</script>';
45034273
SS		 1803 }
1804 else
1805 {
fe16b01e 1806 echo '<script>alert("File '.json_encode($filename).' ('.$filesize.' bytes) has an unknown file format. Nothing was imported.");document.location=\'?\';</script>';
45034273
SS		 1807 }
1808}
1809
1810// -----------------------------------------------------------------------------------------------
1811// Template for the list of links (<div id="linklist">)
1812// This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
1813function buildLinkList($PAGE,$LINKSDB)
1814{
c51fae92
A		 1815 // Filter link database according to parameters.
1816 $searchtags = !empty($_GET['searchtags']) ? escape($_GET['searchtags']) : '';
1817 $searchterm = !empty($_GET['searchterm']) ? escape(trim($_GET['searchterm'])) : '';
822bffce
A		 1818 $privateonly = !empty($_SESSION['privateonly']) ? true : false;
1819
c51fae92
A		 1820 // Search tags + fullsearch.
1821 if (! empty($searchtags) && ! empty($searchterm)) {
1822 $linksToDisplay = $LINKSDB->filter(
1823 LinkFilter::$FILTER_TAG | LinkFilter::$FILTER_TEXT,
1824 array($searchtags, $searchterm),
1825 false,
1826 $privateonly
1827 );
822bffce 1828 }
c51fae92
A		 1829 // Search by tags.
1830 elseif (! empty($searchtags)) {
1831 $linksToDisplay = $LINKSDB->filter(
1832 LinkFilter::$FILTER_TAG,
1833 $searchtags,
1834 false,
1835 $privateonly
1836 );
1837 }
1838 // Fulltext search.
1839 elseif (! empty($searchterm)) {
1840 $linksToDisplay = $LINKSDB->filter(
1841 LinkFilter::$FILTER_TEXT,
1842 $searchterm,
1843 false,
1844 $privateonly
1845 );
822bffce
A		 1846 }
1847 // Detect smallHashes in URL.
c51fae92
A		 1848 elseif (! empty($_SERVER['QUERY_STRING'])
1849 && preg_match('/[a-zA-Z0-9-_@]{6}(&.+?)?/', $_SERVER['QUERY_STRING'])
1850 ) {
1851 $linksToDisplay = $LINKSDB->filter(
1852 LinkFilter::$FILTER_HASH,
1853 substr(trim($_SERVER["QUERY_STRING"], '/'), 0, 6)
1854 );
822bffce
A		 1855
1856 if (count($linksToDisplay) == 0) {
f4c84ad7 1857 $PAGE->render404('The link you are trying to reach does not exist or has been deleted.');
45034273
SS		 1858 exit;
1859 }
45034273 1860 }
822bffce
A		 1861 // Otherwise, display without filtering.
1862 else {
1863 $linksToDisplay = $LINKSDB->filter('', '', false, $privateonly);
45034273
SS		 1864 }
1865
1866 // ---- Handle paging.
822bffce
A		 1867 $keys = array();
1868 foreach ($linksToDisplay as $key => $value) {
1869 $keys[] = $key;
1870 }
45034273
SS		 1871
1872 // If there is only a single link, we change on-the-fly the title of the page.
822bffce
A		 1873 if (count($linksToDisplay) == 1) {
1874 $GLOBALS['pagetitle'] = $linksToDisplay[$keys[0]]['title'].' - '.$GLOBALS['title'];
1875 }
45034273
SS		 1876
1877 // Select articles according to paging.
822bffce
A		 1878 $pagecount = ceil(count($keys) / $_SESSION['LINKS_PER_PAGE']);
1879 $pagecount = $pagecount == 0 ? 1 : $pagecount;
1880 $page= empty($_GET['page']) ? 1 : intval($_GET['page']);
1881 $page = $page < 1 ? 1 : $page;
1882 $page = $page > $pagecount ? $pagecount : $page;
1883 // Start index.
1884 $i = ($page-1) * $_SESSION['LINKS_PER_PAGE'];
1885 $end = $i + $_SESSION['LINKS_PER_PAGE'];
1886 $linkDisp = array();
45034273
SS		 1887 while ($i<$end && $i<count($keys))
1888 {
1889 $link = $linksToDisplay[$keys[$i]];
90e5bd65 1890 $link['description'] = format_description($link['description'], $GLOBALS['redirector']);
822bffce
A		 1891 $classLi = ($i % 2) != 0 ? '' : 'publicLinkHightLight';
1892 $link['class'] = $link['private'] == 0 ? $classLi : 'private';
205a4277
V		 1893 $date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
1894 $link['timestamp'] = $date->getTimestamp();
822bffce 1895 $taglist = explode(' ', $link['tags']);
a5752e77 1896 uasort($taglist, 'strcasecmp');
822bffce 1897 $link['taglist'] = $taglist;
6fc14d53 1898 $link['shorturl'] = smallHash($link['linkdate']);
822bffce
A		 1899 // Check for both signs of a note: starting with ? and 7 chars long.
1900 if ($link['url'][0] === '?' &&
1901 strlen($link['url']) === 7) {
1902 $link['url'] = index_url($_SERVER) . $link['url'];
b47f515a 1903 }
d33c5d4c 1904
45034273
SS		 1905 $linkDisp[$keys[$i]] = $link;
1906 $i++;
1907 }
bb8f712d 1908
45034273 1909 // Compute paging navigation
c51fae92
A		 1910 $searchtagsUrl = empty($searchtags) ? '' : '&searchtags=' . urlencode($searchtags);
1911 $searchtermUrl = empty($searchterm) ? '' : '&searchterm=' . urlencode($searchterm);
822bffce
A		 1912 $previous_page_url = '';
1913 if ($i != count($keys)) {
c51fae92 1914 $previous_page_url = '?page=' . ($page+1) . $searchtermUrl . $searchtagsUrl;
822bffce
A		 1915 }
1916 $next_page_url='';
1917 if ($page>1) {
c51fae92 1918 $next_page_url = '?page=' . ($page-1) . $searchtermUrl . $searchtagsUrl;
822bffce 1919 }
45034273 1920
c51fae92 1921 $token = isLoggedIn() ? getToken() : '';
bb8f712d 1922
45034273 1923 // Fill all template fields.
6fc14d53
A		 1924 $data = array(
1925 'linkcount' => count($LINKSDB),
1926 'previous_page_url' => $previous_page_url,
1927 'next_page_url' => $next_page_url,
1928 'page_current' => $page,
1929 'page_max' => $pagecount,
1930 'result_count' => count($linksToDisplay),
c51fae92
A		 1931 'search_term' => $searchterm,
1932 'search_tags' => $searchtags,
6fc14d53
A		 1933 'redirector' => empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector'], // Optional redirector URL.
1934 'token' => $token,
1935 'links' => $linkDisp,
1936 'tags' => $LINKSDB->allTags(),
1937 );
18cca483
A		 1938 // FIXME! temporary fix - see #399.
1939 if (!empty($GLOBALS['pagetitle']) && count($linkDisp) == 1) {
1940 $data['pagetitle'] = $GLOBALS['pagetitle'];
1941 }
6fc14d53
A		 1942
1943 $pluginManager = PluginManager::getInstance();
1944 $pluginManager->executeHooks('render_linklist', $data, array('loggedin' => isLoggedIn()));
1945
1946 foreach ($data as $key => $value) {
1947 $PAGE->assign($key, $value);
1948 }
1949
45034273
SS		 1950 return;
1951}
1952
1953// Compute the thumbnail for a link.
bb8f712d 1954//
ad6c27b7 1955// With a link to the original URL.
45034273 1956// Understands various services (youtube.com...)
ad6c27b7 1957// Input: $url = URL for which the thumbnail must be found.
45034273
SS		 1958// $href = if provided, this URL will be followed instead of $url
1959// Returns an associative array with thumbnail attributes (src,href,width,height,style,alt)
1960// Some of them may be missing.
1961// Return an empty array if no thumbnail available.
1962function computeThumbnail($url,$href=false)
1963{
1964 if (!$GLOBALS['config']['ENABLE_THUMBNAILS']) return array();
1965 if ($href==false) $href=$url;
1966
1967 // For most hosts, the URL of the thumbnail can be easily deduced from the URL of the link.
ad6c27b7 1968 // (e.g. http://www.youtube.com/watch?v=spVypYk4kto ---> http://img.youtube.com/vi/spVypYk4kto/default.jpg )
45034273
SS		 1969 // ^^^^^^^^^^^ ^^^^^^^^^^^
1970 $domain = parse_url($url,PHP_URL_HOST);
1971 if ($domain=='youtube.com' || $domain=='www.youtube.com')
1972 {
1973 parse_str(parse_url($url,PHP_URL_QUERY), $params); // Extract video ID and get thumbnail
1a663a0f 1974 if (!empty($params['v'])) return array('src'=>'https://img.youtube.com/vi/'.$params['v'].'/default.jpg',
45034273
SS		 1975 'href'=>$href,'width'=>'120','height'=>'90','alt'=>'YouTube thumbnail');
1976 }
1977 if ($domain=='youtu.be') // Youtube short links
1978 {
1979 $path = parse_url($url,PHP_URL_PATH);
1a663a0f 1980 return array('src'=>'https://img.youtube.com/vi'.$path.'/default.jpg',
bb8f712d 1981 'href'=>$href,'width'=>'120','height'=>'90','alt'=>'YouTube thumbnail');
45034273
SS		 1982 }
1983 if ($domain=='pix.toile-libre.org') // pix.toile-libre.org image hosting
1984 {
1985 parse_str(parse_url($url,PHP_URL_QUERY), $params); // Extract image filename.
1986 if (!empty($params) && !empty($params['img'])) return array('src'=>'http://pix.toile-libre.org/upload/thumb/'.urlencode($params['img']),
bb8f712d
KT		 1987 'href'=>$href,'style'=>'max-width:120px; max-height:150px','alt'=>'pix.toile-libre.org thumbnail');
1988 }
1989
45034273
SS		 1990 if ($domain=='imgur.com')
1991 {
1992 $path = parse_url($url,PHP_URL_PATH);
1993 if (startsWith($path,'/a/')) return array(); // Thumbnails for albums are not available.
1a663a0f 1994 if (startsWith($path,'/r/')) return array('src'=>'https://i.imgur.com/'.basename($path).'s.jpg',
45034273 1995 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
1a663a0f 1996 if (startsWith($path,'/gallery/')) return array('src'=>'https://i.imgur.com'.substr($path,8).'s.jpg',
45034273
SS		 1997 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
1998
1a663a0f 1999 if (substr_count($path,'/')==1) return array('src'=>'https://i.imgur.com/'.substr($path,1).'s.jpg',
45034273
SS		 2000 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
2001 }
2002 if ($domain=='i.imgur.com')
2003 {
2004 $pi = pathinfo(parse_url($url,PHP_URL_PATH));
1a663a0f 2005 if (!empty($pi['filename'])) return array('src'=>'https://i.imgur.com/'.$pi['filename'].'s.jpg',
45034273
SS		 2006 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
2007 }
2008 if ($domain=='dailymotion.com' || $domain=='www.dailymotion.com')
2009 {
2010 if (strpos($url,'dailymotion.com/video/')!==false)
2011 {
2012 $thumburl=str_replace('dailymotion.com/video/','dailymotion.com/thumbnail/video/',$url);
2013 return array('src'=>$thumburl,
2014 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'DailyMotion thumbnail');
2015 }
2016 }
2017 if (endsWith($domain,'.imageshack.us'))
2018 {
2019 $ext=strtolower(pathinfo($url,PATHINFO_EXTENSION));
2020 if ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif')
2021 {
2022 $thumburl = substr($url,0,strlen($url)-strlen($ext)).'th.'.$ext;
2023 return array('src'=>$thumburl,
2024 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'imageshack.us thumbnail');
2025 }
2026 }
2027
2028 // Some other hosts are SLOW AS HELL and usually require an extra HTTP request to get the thumbnail URL.
2029 // So we deport the thumbnail generation in order not to slow down page generation
2030 // (and we also cache the thumbnail)
2031
2032 if (!$GLOBALS['config']['ENABLE_LOCALCACHE']) return array(); // If local cache is disabled, no thumbnails for services which require the use a local cache.
2033
2034 if ($domain=='flickr.com' || endsWith($domain,'.flickr.com')
2035 || $domain=='vimeo.com'
2036 || $domain=='ted.com' || endsWith($domain,'.ted.com')
2037 || $domain=='xkcd.com' || endsWith($domain,'.xkcd.com')
2038 )
2039 {
2040 if ($domain=='vimeo.com')
ad6c27b7 2041 { // Make sure this vimeo URL points to a video (/xxx... where xxx is numeric)
45034273
SS		 2042 $path = parse_url($url,PHP_URL_PATH);
2043 if (!preg_match('!/\d+.+?!',$path)) return array(); // This is not a single video URL.
2044 }
2045 if ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com'))
ad6c27b7 2046 { // Make sure this URL points to a single comic (/xxx... where xxx is numeric)
45034273
SS		 2047 $path = parse_url($url,PHP_URL_PATH);
2048 if (!preg_match('!/\d+.+?!',$path)) return array();
2049 }
2050 if ($domain=='ted.com' || endsWith($domain,'.ted.com'))
ad6c27b7 2051 { // Make sure this TED URL points to a video (/talks/...)
45034273
SS		 2052 $path = parse_url($url,PHP_URL_PATH);
2053 if ("/talks/" !== substr($path,0,7)) return array(); // This is not a single video URL.
2054 }
2055 $sign = hash_hmac('sha256', $url, $GLOBALS['salt']); // We use the salt to sign data (it's random, secret, and specific to each installation)
482d67bd 2056 return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url),
45034273
SS		 2057 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail');
2058 }
2059
2060 // For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif
2061 // Technically speaking, we should download ALL links and check their Content-Type to see if they are images.
2062 // But using the extension will do.
2063 $ext=strtolower(pathinfo($url,PATHINFO_EXTENSION));
2064 if ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif')
2065 {
2066 $sign = hash_hmac('sha256', $url, $GLOBALS['salt']); // We use the salt to sign data (it's random, secret, and specific to each installation)
482d67bd 2067 return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url),
bb8f712d 2068 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail');
45034273
SS		 2069 }
2070 return array(); // No thumbnail.
2071
2072}
2073
2074
2075// Returns the HTML code to display a thumbnail for a link
2076// with a link to the original URL.
2077// Understands various services (youtube.com...)
ad6c27b7 2078// Input: $url = URL for which the thumbnail must be found.
45034273
SS		 2079// $href = if provided, this URL will be followed instead of $url
2080// Returns '' if no thumbnail available.
2081function thumbnail($url,$href=false)
2082{
2083 $t = computeThumbnail($url,$href);
2084 if (count($t)==0) return ''; // Empty array = no thumbnail for this URL.
bb8f712d 2085
5f85fcd8
A		 2086 $html='<a href="'.escape($t['href']).'"><img src="'.escape($t['src']).'"';
2087 if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"';
2088 if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"';
2089 if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"';
2090 if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"';
45034273
SS		 2091 $html.='></a>';
2092 return $html;
2093}
2094
45034273
SS		 2095// Returns the HTML code to display a thumbnail for a link
2096// for the picture wall (using lazy image loading)
2097// Understands various services (youtube.com...)
ad6c27b7 2098// Input: $url = URL for which the thumbnail must be found.
45034273
SS		 2099// $href = if provided, this URL will be followed instead of $url
2100// Returns '' if no thumbnail available.
2101function lazyThumbnail($url,$href=false)
2102{
bb8f712d 2103 $t = computeThumbnail($url,$href);
45034273
SS		 2104 if (count($t)==0) return ''; // Empty array = no thumbnail for this URL.
2105
5f85fcd8 2106 $html='<a href="'.escape($t['href']).'">';
bb8f712d 2107
34047d23 2108 // Lazy image
5f85fcd8 2109 $html.='<img class="b-lazy" src="#" data-src="'.escape($t['src']).'"';
858c5c2b 2110
5f85fcd8
A		 2111 if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"';
2112 if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"';
2113 if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"';
2114 if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"';
45034273 2115 $html.='>';
bb8f712d 2116
ad6c27b7 2117 // No-JavaScript fallback.
5f85fcd8
A		 2118 $html.='<noscript><img src="'.escape($t['src']).'"';
2119 if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"';
2120 if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"';
2121 if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"';
2122 if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"';
45034273 2123 $html.='></noscript></a>';
bb8f712d 2124
45034273
SS		 2125 return $html;
2126}
2127
2128
2129// -----------------------------------------------------------------------------------------------
2130// Installation
2131// This function should NEVER be called if the file data/config.php exists.
2132function install()
2133{
2134 // On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
f6a6ca0a 2135 if (endsWith($_SERVER['HTTP_HOST'],'.free.fr') && !is_dir($_SERVER['DOCUMENT_ROOT'].'/sessions')) mkdir($_SERVER['DOCUMENT_ROOT'].'/sessions',0705);
45034273 2136
f37664a2
SS		 2137
2138 // This part makes sure sessions works correctly.
2139 // (Because on some hosts, session.save_path may not be set correctly,
2140 // or we may not have write access to it.)
2141 if (isset($_GET['test_session']) && ( !isset($_SESSION) || !isset($_SESSION['session_tested']) || $_SESSION['session_tested']!='Working'))
2142 { // Step 2: Check if data in session is correct.
2143 echo '<pre>Sessions do not seem to work correctly on your server.<br>';
2144 echo 'Make sure the variable session.save_path is set correctly in your php config, and that you have write access to it.<br>';
01ec1791 2145 echo 'It currently points to '.session_save_path().'<br>';
2146 echo 'Check that the hostname used to access Shaarli contains a dot. On some browsers, accessing your server via a hostname like \'localhost\' or any custom hostname without a dot causes cookie storage to fail. We recommend accessing your server via it\'s IP address or Fully Qualified Domain Name.<br>';
2147 echo '<br><a href="?">Click to try again.</a></pre>';
f37664a2
SS		 2148 die;
2149 }
2150 if (!isset($_SESSION['session_tested']))
2151 { // Step 1 : Try to store data in session and reload page.
2152 $_SESSION['session_tested'] = 'Working'; // Try to set a variable in session.
482d67bd 2153 header('Location: '.index_url($_SERVER).'?test_session'); // Redirect to check stored data.
f37664a2
SS		 2154 }
2155 if (isset($_GET['test_session']))
ad6c27b7 2156 { // Step 3: Sessions are OK. Remove test parameter from URL.
482d67bd 2157 header('Location: '.index_url($_SERVER));
f37664a2
SS		 2158 }
2159
2160
45034273
SS		 2161 if (!empty($_POST['setlogin']) && !empty($_POST['setpassword']))
2162 {
2163 $tz = 'UTC';
d1e2f8e5
V		 2164 if (!empty($_POST['continent']) && !empty($_POST['city'])) {
2165 if (isTimeZoneValid($_POST['continent'], $_POST['city'])) {
45034273 2166 $tz = $_POST['continent'].'/'.$_POST['city'];
d1e2f8e5
V		 2167 }
2168 }
45034273
SS		 2169 $GLOBALS['timezone'] = $tz;
2170 // Everything is ok, let's create config file.
2171 $GLOBALS['login'] = $_POST['setlogin'];
2172 $GLOBALS['salt'] = sha1(uniqid('',true).'_'.mt_rand()); // Salt renders rainbow-tables attacks useless.
2173 $GLOBALS['hash'] = sha1($_POST['setpassword'].$GLOBALS['login'].$GLOBALS['salt']);
482d67bd 2174 $GLOBALS['title'] = (empty($_POST['title']) ? 'Shared links on '.escape(index_url($_SERVER)) : $_POST['title'] );
329e0768 2175 $GLOBALS['config']['ENABLE_UPDATECHECK'] = !empty($_POST['updateCheck']);
dd484b90
A		 2176 try {
2177 writeConfig($GLOBALS, isLoggedIn());
2178 }
2179 catch(Exception $e) {
2180 error_log(
2181 'ERROR while writing config file after installation.' . PHP_EOL .
2182 $e->getMessage()
2183 );
2184
2185 // TODO: do not handle exceptions/errors in JS.
2186 echo '<script>alert("'. $e->getMessage() .'");document.location=\'?\';</script>';
2187 exit;
2188 }
fe16b01e 2189 echo '<script>alert("Shaarli is now configured. Please enter your login/password and start shaaring your links!");document.location=\'?do=login\';</script>';
45034273
SS		 2190 exit;
2191 }
2192
2193 // Display config form:
d1e2f8e5
V		 2194 list($timezone_form, $timezone_js) = generateTimeZoneForm();
2195 $timezone_html = '';
2196 if ($timezone_form != '') {
2197 $timezone_html = '<tr><td><b>Timezone:</b></td><td>'.$timezone_form.'</td></tr>';
2198 }
bb8f712d 2199
45034273
SS		 2200 $PAGE = new pageBuilder;
2201 $PAGE->assign('timezone_html',$timezone_html);
2202 $PAGE->assign('timezone_js',$timezone_js);
2203 $PAGE->renderPage('install');
2204 exit;
2205}
2206
ad6c27b7 2207/* Because some f*cking services like flickr require an extra HTTP request to get the thumbnail URL,
45034273 2208 I have deported the thumbnail URL code generation here, otherwise this would slow down page generation.
ad6c27b7 2209 The following function takes the URL a link (e.g. a flickr page) and return the proper thumbnail.
2210 This function is called by passing the URL:
45034273 2211 http://mywebsite.com/shaarli/?do=genthumbnail&hmac=[HMAC]&url=[URL]
ad6c27b7 2212 [URL] is the URL of the link (e.g. a flickr page)
45034273
SS		 2213 [HMAC] is the signature for the [URL] (so that these URL cannot be forged).
2214 The function below will fetch the image from the webservice and store it in the cache.
2215*/
2216function genThumbnail()
2217{
2218 // Make sure the parameters in the URL were generated by us.
2219 $sign = hash_hmac('sha256', $_GET['url'], $GLOBALS['salt']);
ad6c27b7 2220 if ($sign!=$_GET['hmac']) die('Naughty boy!');
45034273
SS		 2221
2222 // Let's see if we don't already have the image for this URL in the cache.
2223 $thumbname=hash('sha1',$_GET['url']).'.jpg';
2224 if (is_file($GLOBALS['config']['CACHEDIR'].'/'.$thumbname))
2225 { // We have the thumbnail, just serve it:
2226 header('Content-Type: image/jpeg');
2227 echo file_get_contents($GLOBALS['config']['CACHEDIR'].'/'.$thumbname);
2228 return;
2229 }
2230 // We may also serve a blank image (if service did not respond)
2231 $blankname=hash('sha1',$_GET['url']).'.gif';
2232 if (is_file($GLOBALS['config']['CACHEDIR'].'/'.$blankname))
2233 {
2234 header('Content-Type: image/gif');
2235 echo file_get_contents($GLOBALS['config']['CACHEDIR'].'/'.$blankname);
2236 return;
2237 }
2238
2239 // Otherwise, generate the thumbnail.
2240 $url = $_GET['url'];
2241 $domain = parse_url($url,PHP_URL_HOST);
2242
2243 if ($domain=='flickr.com' || endsWith($domain,'.flickr.com'))
2244 {
ad6c27b7 2245 // Crude replacement to handle new flickr domain policy (They prefer www. now)
45034273
SS		 2246 $url = str_replace('http://flickr.com/','http://www.flickr.com/',$url);
2247
2248 // Is this a link to an image, or to a flickr page ?
2249 $imageurl='';
2250 if (endswith(parse_url($url,PHP_URL_PATH),'.jpg'))
ad6c27b7 2251 { // This is a direct link to an image. e.g. http://farm1.staticflickr.com/5/5921913_ac83ed27bd_o.jpg
45034273
SS		 2252 preg_match('!(http://farm\d+\.staticflickr\.com/\d+/\d+_\w+_)\w.jpg!',$url,$matches);
2253 if (!empty($matches[1])) $imageurl=$matches[1].'m.jpg';
2254 }
ad6c27b7 2255 else // This is a flickr page (html)
45034273 2256 {
451314eb 2257 // Get the flickr html page.
1557cefb 2258 list($headers, $content) = get_http_response($url, 20);
451314eb 2259 if (strpos($headers[0], '200 OK') !== false)
45034273 2260 {
ad6c27b7 2261 // flickr now nicely provides the URL of the thumbnail in each flickr page.
1557cefb 2262 preg_match('!<link rel=\"image_src\" href=\"(.+?)\"!', $content, $matches);
45034273
SS		 2263 if (!empty($matches[1])) $imageurl=$matches[1];
2264
2265 // In albums (and some other pages), the link rel="image_src" is not provided,
2266 // but flickr provides:
2267 // <meta property="og:image" content="http://farm4.staticflickr.com/3398/3239339068_25d13535ff_z.jpg" />
2268 if ($imageurl=='')
2269 {
1557cefb 2270 preg_match('!<meta property=\"og:image\" content=\"(.+?)\"!', $content, $matches);
45034273
SS		 2271 if (!empty($matches[1])) $imageurl=$matches[1];
2272 }
2273 }
2274 }
2275
2276 if ($imageurl!='')
2277 { // Let's download the image.
451314eb 2278 // Image is 240x120, so 10 seconds to download should be enough.
1557cefb 2279 list($headers, $content) = get_http_response($imageurl, 10);
451314eb 2280 if (strpos($headers[0], '200 OK') !== false) {
1557cefb
A		 2281 // Save image to cache.
2282 file_put_contents($GLOBALS['config']['CACHEDIR'].'/' . $thumbname, $content);
45034273 2283 header('Content-Type: image/jpeg');
1557cefb 2284 echo $content;
45034273
SS		 2285 return;
2286 }
2287 }
2288 }
2289
2290 elseif ($domain=='vimeo.com' )
2291 {
2292 // This is more complex: we have to perform a HTTP request, then parse the result.
ad6c27b7 2293 // Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098
45034273 2294 $vid = substr(parse_url($url,PHP_URL_PATH),1);
1557cefb 2295 list($headers, $content) = get_http_response('https://vimeo.com/api/v2/video/'.escape($vid).'.php', 5);
451314eb 2296 if (strpos($headers[0], '200 OK') !== false) {
1557cefb 2297 $t = unserialize($content);
45034273
SS		 2298 $imageurl = $t[0]['thumbnail_medium'];
2299 // Then we download the image and serve it to our client.
1557cefb 2300 list($headers, $content) = get_http_response($imageurl, 10);
451314eb 2301 if (strpos($headers[0], '200 OK') !== false) {
1557cefb
A		 2302 // Save image to cache.
2303 file_put_contents($GLOBALS['config']['CACHEDIR'] . '/' . $thumbname, $content);
45034273 2304 header('Content-Type: image/jpeg');
1557cefb 2305 echo $content;
45034273
SS		 2306 return;
2307 }
2308 }
2309 }
2310
2311 elseif ($domain=='ted.com' || endsWith($domain,'.ted.com'))
2312 {
2313 // The thumbnail for TED talks is located in the <link rel="image_src" [...]> tag on that page
2314 // http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html
2315 // <link rel="image_src" href="http://images.ted.com/images/ted/28bced335898ba54d4441809c5b1112ffaf36781_389x292.jpg" />
1557cefb 2316 list($headers, $content) = get_http_response($url, 5);
451314eb 2317 if (strpos($headers[0], '200 OK') !== false) {
45034273 2318 // Extract the link to the thumbnail
1557cefb 2319 preg_match('!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!', $content, $matches);
45034273
SS		 2320 if (!empty($matches[1]))
2321 { // Let's download the image.
2322 $imageurl=$matches[1];
451314eb 2323 // No control on image size, so wait long enough
1557cefb 2324 list($headers, $content) = get_http_response($imageurl, 20);
451314eb 2325 if (strpos($headers[0], '200 OK') !== false) {
45034273 2326 $filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname;
1557cefb 2327 file_put_contents($filepath, $content); // Save image to cache.
45034273
SS		 2328 if (resizeImage($filepath))
2329 {
2330 header('Content-Type: image/jpeg');
2331 echo file_get_contents($filepath);
2332 return;
2333 }
2334 }
2335 }
2336 }
2337 }
bb8f712d 2338
45034273
SS		 2339 elseif ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com'))
2340 {
2341 // There is no thumbnail available for xkcd comics, so download the whole image and resize it.
2342 // http://xkcd.com/327/
2343 // <img src="http://imgs.xkcd.com/comics/exploits_of_a_mom.png" title="<BLABLA>" alt="<BLABLA>" />
1557cefb 2344 list($headers, $content) = get_http_response($url, 5);
451314eb 2345 if (strpos($headers[0], '200 OK') !== false) {
45034273 2346 // Extract the link to the thumbnail
1557cefb 2347 preg_match('!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!', $content, $matches);
45034273
SS		 2348 if (!empty($matches[1]))
2349 { // Let's download the image.
2350 $imageurl=$matches[1];
451314eb 2351 // No control on image size, so wait long enough
1557cefb 2352 list($headers, $content) = get_http_response($imageurl, 20);
451314eb 2353 if (strpos($headers[0], '200 OK') !== false) {
45034273 2354 $filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname;
1557cefb
A		 2355 // Save image to cache.
2356 file_put_contents($filepath, $content);
45034273
SS		 2357 if (resizeImage($filepath))
2358 {
2359 header('Content-Type: image/jpeg');
2360 echo file_get_contents($filepath);
2361 return;
2362 }
2363 }
2364 }
2365 }
bb8f712d 2366 }
45034273
SS		 2367
2368 else
2369 {
2370 // For all other domains, we try to download the image and make a thumbnail.
451314eb 2371 // We allow 30 seconds max to download (and downloads are limited to 4 Mb)
1557cefb 2372 list($headers, $content) = get_http_response($url, 30);
451314eb 2373 if (strpos($headers[0], '200 OK') !== false) {
45034273 2374 $filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname;
1557cefb
A		 2375 // Save image to cache.
2376 file_put_contents($filepath, $content);
45034273
SS		 2377 if (resizeImage($filepath))
2378 {
2379 header('Content-Type: image/jpeg');
2380 echo file_get_contents($filepath);
2381 return;
2382 }
2383 }
2384 }
2385
2386
2387 // Otherwise, return an empty image (8x8 transparent gif)
2388 $blankgif = base64_decode('R0lGODlhCAAIAIAAAP///////yH5BAEKAAEALAAAAAAIAAgAAAIHjI+py+1dAAA7');
2389 file_put_contents($GLOBALS['config']['CACHEDIR'].'/'.$blankname,$blankgif); // Also put something in cache so that this URL is not requested twice.
2390 header('Content-Type: image/gif');
2391 echo $blankgif;
2392}
2393
2394// Make a thumbnail of the image (to width: 120 pixels)
2395// Returns true if success, false otherwise.
2396function resizeImage($filepath)
2397{
2398 if (!function_exists('imagecreatefromjpeg')) return false; // GD not present: no thumbnail possible.
2399
2400 // Trick: some stupid people rename GIF as JPEG... or else.
2401 // So we really try to open each image type whatever the extension is.
2402 $header=file_get_contents($filepath,false,NULL,0,256); // Read first 256 bytes and try to sniff file type.
2403 $im=false;
2404 $i=strpos($header,'GIF8'); if (($i!==false) && ($i==0)) $im = imagecreatefromgif($filepath); // Well this is crude, but it should be enough.
2405 $i=strpos($header,'PNG'); if (($i!==false) && ($i==1)) $im = imagecreatefrompng($filepath);
2406 $i=strpos($header,'JFIF'); if ($i!==false) $im = imagecreatefromjpeg($filepath);
2407 if (!$im) return false; // Unable to open image (corrupted or not an image)
2408 $w = imagesx($im);
2409 $h = imagesy($im);
2410 $ystart = 0; $yheight=$h;
2411 if ($h>$w) { $ystart= ($h/2)-($w/2); $yheight=$w/2; }
2412 $nw = 120; // Desired width
2413 $nh = min(floor(($h*$nw)/$w),120); // Compute new width/height, but maximum 120 pixels height.
2414 // Resize image:
2415 $im2 = imagecreatetruecolor($nw,$nh);
2416 imagecopyresampled($im2, $im, 0, 0, 0, $ystart, $nw, $nh, $w, $yheight);
2417 imageinterlace($im2,true); // For progressive JPEG.
2418 $tempname=$filepath.'_TEMP.jpg';
2419 imagejpeg($im2, $tempname, 90);
2420 imagedestroy($im);
2421 imagedestroy($im2);
9e820906 2422 unlink($filepath);
45034273
SS		 2423 rename($tempname,$filepath); // Overwrite original picture with thumbnail.
2424 return true;
2425}
2426
45034273 2427if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=genthumbnail')) { genThumbnail(); exit; } // Thumbnail generation/cache does not need the link database.
45034273 2428if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=dailyrss')) { showDailyRSS(); exit; }
45034273
SS		 2429if (!isset($_SESSION['LINKS_PER_PAGE'])) $_SESSION['LINKS_PER_PAGE']=$GLOBALS['config']['LINKS_PER_PAGE'];
2430renderPage();
03545ef6 2431?>
The personal, minimalist, super-fast, database free, bookmarking service - community repo