]>
git.immae.eu Git - github/shaarli/Shaarli.git/blob - index.php
3 * Shaarli v0.6.2 - Shaare your links...
5 * The personal, minimalist, super-fast, no-database Delicious clone.
7 * Friendly fork by the Shaarli community:
8 * - https://github.com/shaarli/Shaarli
10 * Original project by sebsauvage.net:
11 * - http://sebsauvage.net/wiki/doku.php?id=php:shaarli
12 * - https://github.com/sebsauvage/Shaarli
14 * Licence: http://www.opensource.org/licenses/zlib-license.php
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
21 if ( date_default_timezone_get () == '' ) {
22 date_default_timezone_set ( 'UTC' );
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 * -----------------------------------------------------------------------------
33 * Shaarli directories & configuration files
36 $GLOBALS [ 'config' ][ 'DATADIR' ] = 'data' ;
38 // Main configuration file
39 $GLOBALS [ 'config' ][ 'CONFIG_FILE' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/config.php' ;
42 $GLOBALS [ 'config' ][ 'DATASTORE' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/datastore.php' ;
45 $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/ipbans.php' ;
48 $GLOBALS [ 'config' ][ 'LOG_FILE' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/log.txt' ;
50 // For updates check of Shaarli
51 $GLOBALS [ 'config' ][ 'UPDATECHECK_FILENAME' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/lastupdatecheck.txt' ;
53 // RainTPL cache directory (keep the trailing slash!)
54 $GLOBALS [ 'config' ][ 'RAINTPL_TMP' ] = 'tmp/' ;
55 // Raintpl template directory (keep the trailing slash!)
56 $GLOBALS [ 'config' ][ 'RAINTPL_TPL' ] = 'tpl/' ;
58 // Thumbnail cache directory
59 $GLOBALS [ 'config' ][ 'CACHEDIR' ] = 'cache' ;
61 // Atom & RSS feed cache directory
62 $GLOBALS [ 'config' ][ 'PAGECACHE' ] = 'pagecache' ;
66 * Global configuration
68 // Ban IP after this many failures
69 $GLOBALS [ 'config' ][ 'BAN_AFTER' ] = 4 ;
70 // Ban duration for IP address after login failures (in seconds)
71 $GLOBALS [ 'config' ][ 'BAN_DURATION' ] = 1800 ;
74 // Enable RSS permalinks by default.
75 // This corresponds to the default behavior of shaarli before this was added as an option.
76 $GLOBALS [ 'config' ][ 'ENABLE_RSS_PERMALINKS' ] = true ;
77 // If true, an extra "ATOM feed" button will be displayed in the toolbar
78 $GLOBALS [ 'config' ][ 'SHOW_ATOM' ] = false ;
80 // Link display options
81 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ] = false ;
82 $GLOBALS [ 'config' ][ 'HIDE_TIMESTAMPS' ] = false ;
83 $GLOBALS [ 'config' ][ 'LINKS_PER_PAGE' ] = 20 ;
85 // Open Shaarli (true): anyone can add/edit/delete links without having to login
86 $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ] = false ;
89 // Display thumbnails in links
90 $GLOBALS [ 'config' ][ 'ENABLE_THUMBNAILS' ] = true ;
91 // Store thumbnails in a local cache
92 $GLOBALS [ 'config' ][ 'ENABLE_LOCALCACHE' ] = true ;
94 // Update check frequency for Shaarli. 86400 seconds=24 hours
95 $GLOBALS [ 'config' ][ 'UPDATECHECK_BRANCH' ] = 'stable' ;
96 $GLOBALS [ 'config' ][ 'UPDATECHECK_INTERVAL' ] = 86400 ;
100 * Plugin configuration
102 * Warning: order matters!
104 * These settings may be be overriden in:
106 * - each plugin's configuration file
108 //$GLOBALS['config']['ENABLED_PLUGINS'] = array(
109 // 'qrcode', 'archiveorg', 'readityourself', 'demo_plugin', 'playvideos',
110 // 'wallabag', 'markdown', 'addlink_toolbar',
112 $GLOBALS [ 'config' ][ 'ENABLED_PLUGINS' ] = array ( 'qrcode' );
114 //$GLOBALS['plugins']['WALLABAG_URL'] = 'https://demo.wallabag.org/';
116 // PubSubHubbub support. Put an empty string to disable, or put your hub url here to enable.
117 $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ] = '' ;
122 define ( 'shaarli_version' , '0.6.2' );
124 // http://server.com/x/shaarli --> /shaarli/
125 define ( 'WEB_PATH' , substr ( $_SERVER [ "REQUEST_URI" ], 0 , 1 +
strrpos ( $_SERVER [ "REQUEST_URI" ], '/' , 0 )));
127 // High execution time in case of problematic imports/exports.
128 ini_set ( 'max_input_time' , '60' );
130 // Try to set max upload file size and read
131 ini_set ( 'memory_limit' , '128M' );
132 ini_set ( 'post_max_size' , '16M' );
133 ini_set ( 'upload_max_filesize' , '16M' );
135 // See all error except warnings
136 error_reporting ( E_ALL^E_WARNING
);
137 // See all errors (for debugging only)
138 //error_reporting(-1);
143 if ( is_file ( $GLOBALS [ 'config' ][ 'CONFIG_FILE' ])) {
144 require_once $GLOBALS [ 'config' ][ 'CONFIG_FILE' ];
148 require_once 'application/ApplicationUtils.php' ;
149 require_once 'application/Cache.php' ;
150 require_once 'application/CachedPage.php' ;
151 require_once 'application/FileUtils.php' ;
152 require_once 'application/HttpUtils.php' ;
153 require_once 'application/LinkDB.php' ;
154 require_once 'application/LinkFilter.php' ;
155 require_once 'application/LinkUtils.php' ;
156 require_once 'application/TimeZone.php' ;
157 require_once 'application/Url.php' ;
158 require_once 'application/Utils.php' ;
159 require_once 'application/Config.php' ;
160 require_once 'application/PluginManager.php' ;
161 require_once 'application/Router.php' ;
163 // Ensure the PHP version is supported
165 ApplicationUtils
:: checkPHPVersion ( '5.3' , PHP_VERSION
);
166 } catch ( Exception
$exc ) {
167 header ( 'Content-Type: text/plain; charset=utf-8' );
168 echo $exc- > getMessage ();
172 // Force cookie path (but do not change lifetime)
173 $cookie = session_get_cookie_params ();
175 if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ]) != '/' ) {
176 $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
178 // Set default cookie expiration and path.
179 session_set_cookie_params ( $cookie [ 'lifetime' ], $cookiedir , $_SERVER [ 'SERVER_NAME' ]);
180 // Set session parameters on server side.
181 // If the user does not access any page within this time, his/her session is considered expired.
182 define ( 'INACTIVITY_TIMEOUT' , 3600 ); // in seconds.
183 // Use cookies to store session.
184 ini_set ( 'session.use_cookies' , 1 );
185 // Force cookies for session (phpsessionID forbidden in URL).
186 ini_set ( 'session.use_only_cookies' , 1 );
187 // Prevent PHP form using sessionID in URL if cookies are disabled.
188 ini_set ( 'session.use_trans_sid' , false );
190 session_name ( 'shaarli' );
191 // Start session if needed (Some server auto-start sessions).
192 if ( session_id () == '' ) {
196 // Regenerate session ID if invalid or not defined in cookie.
197 if ( isset ( $_COOKIE [ 'shaarli' ]) && ! is_session_id_valid ( $_COOKIE [ 'shaarli' ])) {
198 session_regenerate_id ( true );
199 $_COOKIE [ 'shaarli' ] = session_id ();
202 include "inc/rain.tpl.class.php" ; //include Rain TPL
203 raintpl
:: $tpl_dir = $GLOBALS [ 'config' ][ 'RAINTPL_TPL' ]; // template directory
204 raintpl
:: $cache_dir = $GLOBALS [ 'config' ][ 'RAINTPL_TMP' ]; // cache directory
206 $pluginManager = PluginManager
:: getInstance ();
207 $pluginManager- > load ( $GLOBALS [ 'config' ][ 'ENABLED_PLUGINS' ]);
209 ob_start (); // Output buffering for the page cache.
212 // In case stupid admin has left magic_quotes enabled in php.ini:
213 if ( get_magic_quotes_gpc ())
215 function stripslashes_deep ( $value ) { $value
= is_array ( $value
) ? array_map ( 'stripslashes_deep' , $value
) : stripslashes ( $value
); return $value
; }
216 $_POST = array_map ( 'stripslashes_deep' , $_POST );
217 $_GET = array_map ( 'stripslashes_deep' , $_GET );
218 $_COOKIE = array_map ( 'stripslashes_deep' , $_COOKIE );
221 // Prevent caching on client side or proxy: (yes, it's ugly)
222 header ( "Last-Modified: " . gmdate ( "D, d M Y H:i:s" ) . " GMT" );
223 header ( "Cache-Control: no-store, no-cache, must-revalidate" );
224 header ( "Cache-Control: post-check=0, pre-check=0" , false );
225 header ( "Pragma: no-cache" );
227 // Handling of old config file which do not have the new parameters.
228 if ( empty ( $GLOBALS [ 'title' ])) $GLOBALS [ 'title' ]= 'Shared links on ' . escape ( index_url ( $_SERVER ));
229 if ( empty ( $GLOBALS [ 'timezone' ])) $GLOBALS [ 'timezone' ]= date_default_timezone_get ();
230 if ( empty ( $GLOBALS [ 'redirector' ])) $GLOBALS [ 'redirector' ]= '' ;
231 if ( empty ( $GLOBALS [ 'disablesessionprotection' ])) $GLOBALS [ 'disablesessionprotection' ]= false ;
232 if ( empty ( $GLOBALS [ 'privateLinkByDefault' ])) $GLOBALS [ 'privateLinkByDefault' ]= false ;
233 if ( empty ( $GLOBALS [ 'titleLink' ])) $GLOBALS [ 'titleLink' ]= '?' ;
234 // I really need to rewrite Shaarli with a proper configuation manager.
236 if (! is_file ( $GLOBALS [ 'config' ][ 'CONFIG_FILE' ])) {
237 // Ensure Shaarli has proper access to its resources
238 $errors = ApplicationUtils
:: checkResourcePermissions ( $GLOBALS [ 'config' ]);
240 if ( $errors != array ()) {
241 $message = '<p>Insufficient permissions:</p><ul>' ;
243 foreach ( $errors as $error ) {
244 $message .= '<li>' . $error . '</li>' ;
248 header ( 'Content-Type: text/html; charset=utf-8' );
253 // Display the installation form if no existing config is found
257 $GLOBALS [ 'title' ] = ! empty ( $GLOBALS [ 'title' ]) ? escape ( $GLOBALS [ 'title' ]) : '' ;
258 $GLOBALS [ 'titleLink' ] = ! empty ( $GLOBALS [ 'titleLink' ]) ? escape ( $GLOBALS [ 'titleLink' ]) : '' ;
259 $GLOBALS [ 'redirector' ] = ! empty ( $GLOBALS [ 'redirector' ]) ? escape ( $GLOBALS [ 'redirector' ]) : '' ;
261 // a token depending of deployment salt, user password, and the current ip
262 define ( 'STAY_SIGNED_IN_TOKEN' , sha1 ( $GLOBALS [ 'hash' ]. $_SERVER [ "REMOTE_ADDR" ]. $GLOBALS [ 'salt' ]));
264 autoLocale (); // Sniff browser language and set date format accordingly.
265 header ( 'Content-Type: text/html; charset=utf-8' ); // We use UTF-8 for proper international characters handling.
267 //==================================================================================================
268 // Checking session state (i.e. is the user still logged in)
269 //==================================================================================================
271 function setup_login_state () {
272 if ( $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ]) {
275 $userIsLoggedIn = false ; // By default, we do not consider the user as logged in;
276 $loginFailure = false ; // If set to true, every attempt to authenticate the user will fail. This indicates that an important condition isn't met.
277 if (! isset ( $GLOBALS [ 'login' ])) {
278 $userIsLoggedIn = false ; // Shaarli is not configured yet.
279 $loginFailure = true ;
281 if ( isset ( $_COOKIE [ 'shaarli_staySignedIn' ]) &&
282 $_COOKIE [ 'shaarli_staySignedIn' ]=== STAY_SIGNED_IN_TOKEN
&&
286 $userIsLoggedIn = true ;
288 // If session does not exist on server side, or IP address has changed, or session has expired, logout.
289 if ( empty ( $_SESSION [ 'uid' ]) ||
290 ( $GLOBALS [ 'disablesessionprotection' ]== false && $_SESSION [ 'ip' ]!= allIPs ()) ||
291 time () >= $_SESSION [ 'expires_on' ])
294 $userIsLoggedIn = false ;
295 $loginFailure = true ;
297 if (! empty ( $_SESSION [ 'longlastingsession' ])) {
298 $_SESSION [ 'expires_on' ]= time () +
$_SESSION [ 'longlastingsession' ]; // In case of "Stay signed in" checked.
301 $_SESSION [ 'expires_on' ]= time () +INACTIVITY_TIMEOUT
; // Standard session expiration date.
303 if (! $loginFailure ) {
304 $userIsLoggedIn = true ;
307 return $userIsLoggedIn ;
309 $userIsLoggedIn = setup_login_state ();
312 // -----------------------------------------------------------------------------------------------
314 function logm ( $message )
316 $t = strval ( date ( 'Y/m/d_H:i:s' )). ' - ' . $_SERVER [ "REMOTE_ADDR" ]. ' - ' . strval ( $message ). " \n " ;
317 file_put_contents ( $GLOBALS [ 'config' ][ 'LOG_FILE' ], $t , FILE_APPEND
);
320 // ------------------------------------------------------------------------------------------
321 // Sniff browser language to display dates in the right format automatically.
322 // (Note that is may not work on your server if the corresponding local is not installed.)
323 function autoLocale ()
325 $attempts = array ( 'en_US' ); // Default if browser does not send HTTP_ACCEPT_LANGUAGE
326 if ( isset ( $_SERVER [ 'HTTP_ACCEPT_LANGUAGE' ])) // e.g. "fr,fr-fr;q=0.8,en;q=0.5,en-us;q=0.3"
327 { // (It's a bit crude, but it works very well. Preferred language is always presented first.)
328 if ( preg_match ( '/([a-z] {2} )-?([a-z] {2} )?/i' , $_SERVER [ 'HTTP_ACCEPT_LANGUAGE' ], $matches )) {
329 $loc = $matches [ 1 ] . (! empty ( $matches [ 2 ]) ? '_' . strtoupper ( $matches [ 2 ]) : '' );
330 $attempts = array ( $loc . '.UTF-8' , $loc , str_replace ( '_' , '-' , $loc ). '.UTF-8' , str_replace ( '_' , '-' , $loc ),
331 $loc . '_' . strtoupper ( $loc ). '.UTF-8' , $loc . '_' . strtoupper ( $loc ),
332 $loc . '_' . $loc . '.UTF-8' , $loc . '_' . $loc , $loc . '-' . strtoupper ( $loc ). '.UTF-8' ,
333 $loc . '-' . strtoupper ( $loc ), $loc . '-' . $loc . '.UTF-8' , $loc . '-' . $loc );
336 setlocale ( LC_TIME
, $attempts ); // LC_TIME = Set local for date/time format only.
339 // ------------------------------------------------------------------------------------------
340 // PubSubHubbub protocol support (if enabled) [UNTESTED]
341 // (Source: http://aldarone.fr/les-flux-rss-shaarli-et-pubsubhubbub/ )
342 if (! empty ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ])) include './publisher.php' ;
345 if (! empty ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]))
347 $p = new Publisher ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]);
349 index_url ( $_SERVER ). '?do=atom' ,
350 index_url ( $_SERVER ). '?do=rss'
352 $p- > publish_update ( $topic_url );
356 // ------------------------------------------------------------------------------------------
357 // Session management
359 // Returns the IP address of the client (Used to prevent session cookie hijacking.)
362 $ip = $_SERVER [ "REMOTE_ADDR" ];
363 // Then we use more HTTP headers to prevent session hijacking from users behind the same proxy.
364 if ( isset ( $_SERVER [ 'HTTP_X_FORWARDED_FOR' ])) { $ip
= $ip
. '_' . $_SERVER
[ 'HTTP_X_FORWARDED_FOR' ]; }
365 if ( isset ( $_SERVER [ 'HTTP_CLIENT_IP' ])) { $ip
= $ip
. '_' . $_SERVER
[ 'HTTP_CLIENT_IP' ]; }
369 function fillSessionInfo () {
370 $_SESSION [ 'uid' ] = sha1 ( uniqid ( '' , true ). '_' . mt_rand ()); // Generate unique random number (different than phpsessionid)
371 $_SESSION [ 'ip' ]= allIPs (); // We store IP address(es) of the client to make sure session is not hijacked.
372 $_SESSION [ 'username' ]= $GLOBALS [ 'login' ];
373 $_SESSION [ 'expires_on' ]= time () +INACTIVITY_TIMEOUT
; // Set session expiration.
376 // Check that user/password is correct.
377 function check_auth ( $login , $password )
379 $hash = sha1 ( $password . $login . $GLOBALS [ 'salt' ]);
380 if ( $login == $GLOBALS [ 'login' ] && $hash == $GLOBALS [ 'hash' ])
381 { // Login/password is correct.
383 logm ( 'Login successful' );
386 logm ( 'Login failed for user ' . $login );
390 // Returns true if the user is logged in.
391 function isLoggedIn ()
393 global $userIsLoggedIn ;
394 return $userIsLoggedIn ;
399 if ( isset ( $_SESSION )) {
400 unset ( $_SESSION [ 'uid' ]);
401 unset ( $_SESSION [ 'ip' ]);
402 unset ( $_SESSION [ 'username' ]);
403 unset ( $_SESSION [ 'privateonly' ]);
405 setcookie ( 'shaarli_staySignedIn' , FALSE , 0 , WEB_PATH
);
409 // ------------------------------------------------------------------------------------------
410 // Brute force protection system
411 // Several consecutive failed logins will ban the IP address for 30 minutes.
412 if (! 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 ?>" );
413 include $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ];
414 // Signal a failed login. Will ban the IP if too many failures:
415 function ban_loginFailed ()
417 $ip = $_SERVER [ "REMOTE_ADDR" ]; $gb = $GLOBALS [ 'IPBANS' ];
418 if (! isset ( $gb [ 'FAILURES' ][ $ip ])) $gb [ 'FAILURES' ][ $ip ]= 0 ;
419 $gb [ 'FAILURES' ][ $ip ] ++
;
420 if ( $gb [ 'FAILURES' ][ $ip ]>( $GLOBALS [ 'config' ][ 'BAN_AFTER' ]- 1 ))
422 $gb [ 'BANS' ][ $ip ]= time () +
$GLOBALS [ 'config' ][ 'BAN_DURATION' ];
423 logm ( 'IP address banned from login' );
425 $GLOBALS [ 'IPBANS' ] = $gb ;
426 file_put_contents ( $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ], "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>" );
429 // Signals a successful login. Resets failed login counter.
430 function ban_loginOk ()
432 $ip = $_SERVER [ "REMOTE_ADDR" ]; $gb = $GLOBALS [ 'IPBANS' ];
433 unset ( $gb [ 'FAILURES' ][ $ip ]); unset ( $gb [ 'BANS' ][ $ip ]);
434 $GLOBALS [ 'IPBANS' ] = $gb ;
435 file_put_contents ( $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ], "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>" );
438 // Checks if the user CAN login. If 'true', the user can try to login.
439 function ban_canLogin ()
441 $ip = $_SERVER [ "REMOTE_ADDR" ]; $gb = $GLOBALS [ 'IPBANS' ];
442 if ( isset ( $gb [ 'BANS' ][ $ip ]))
444 // User is banned. Check if the ban has expired:
445 if ( $gb [ 'BANS' ][ $ip ]<= time ())
446 { // Ban expired, user can try to login again.
448 unset ( $gb [ 'FAILURES' ][ $ip ]); unset ( $gb [ 'BANS' ][ $ip ]);
449 file_put_contents ( $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ], "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>" );
450 return true ; // Ban has expired, user can login.
452 return false ; // User is banned.
454 return true ; // User is not banned.
457 // ------------------------------------------------------------------------------------------
458 // Process login form: Check if login/password is correct.
459 if ( isset ( $_POST [ 'login' ]))
461 if (! ban_canLogin ()) die ( 'I said: NO. You are banned for the moment. Go away.' );
462 if ( isset ( $_POST [ 'password' ]) && tokenOk ( $_POST [ 'token' ]) && ( check_auth ( $_POST [ 'login' ], $_POST [ 'password' ])))
463 { // Login/password is OK.
465 // If user wants to keep the session cookie even after the browser closes:
466 if (! empty ( $_POST [ 'longlastingsession' ]))
468 setcookie ( 'shaarli_staySignedIn' , STAY_SIGNED_IN_TOKEN
, time () +
31536000 , WEB_PATH
);
469 $_SESSION [ 'longlastingsession' ]= 31536000 ; // (31536000 seconds = 1 year)
470 $_SESSION [ 'expires_on' ]= time () +
$_SESSION [ 'longlastingsession' ]; // Set session expiration on server-side.
472 $cookiedir = '' ; if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ])!= '/' ) $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
473 session_set_cookie_params ( $_SESSION [ 'longlastingsession' ], $cookiedir , $_SERVER [ 'SERVER_NAME' ]); // Set session cookie expiration on client side
474 // Note: Never forget the trailing slash on the cookie path!
475 session_regenerate_id ( true ); // Send cookie with new expiration date to browser.
477 else // Standard session expiration (=when browser closes)
479 $cookiedir = '' ; if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ])!= '/' ) $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
480 session_set_cookie_params ( 0 , $cookiedir , $_SERVER [ 'SERVER_NAME' ]); // 0 means "When browser closes"
481 session_regenerate_id ( true );
484 // Optional redirect after login:
485 if ( isset ( $_GET [ 'post' ])) {
486 $uri = '?post=' . urlencode ( $_GET [ 'post' ]);
487 foreach ( array ( 'description' , 'source' , 'title' ) as $param ) {
488 if (! empty ( $_GET [ $param ])) {
489 $uri .= '&' . $param . '=' . urlencode ( $_GET [ $param ]);
492 header ( 'Location: ' . $uri );
496 if ( isset ( $_GET [ 'edit_link' ])) {
497 header ( 'Location: ?edit_link=' . escape ( $_GET [ 'edit_link' ]));
501 if ( isset ( $_POST [ 'returnurl' ])) {
502 // Prevent loops over login screen.
503 if ( strpos ( $_POST [ 'returnurl' ], 'do=login' ) === false ) {
504 header ( 'Location: ' . escape ( $_POST [ 'returnurl' ]));
508 header ( 'Location: ?' ); exit ;
514 if ( isset ( $_GET [ 'post' ])) {
515 $redir = '?post=' . urlencode ( $_GET [ 'post' ]);
516 foreach ( array ( 'description' , 'source' , 'title' ) as $param ) {
517 if (! empty ( $_GET [ $param ])) {
518 $redir .= '&' . $param . '=' . urlencode ( $_GET [ $param ]);
522 echo '<script>alert("Wrong login/password.");document.location= \' ?do=login' . $redir . ' \' ;</script>' ; // Redirect to login screen.
527 // ------------------------------------------------------------------------------------------
528 // Misc utility functions:
530 // Convert post_max_size/upload_max_filesize (e.g. '16M') parameters to bytes.
531 function return_bytes ( $val )
533 $val = trim ( $val ); $last = strtolower ( $val [ strlen ( $val )- 1 ]);
536 case 'g' : $val *= 1024 ;
537 case 'm' : $val *= 1024 ;
538 case 'k' : $val *= 1024 ;
543 // Try to determine max file size for uploads (POST).
544 // Returns an integer (in bytes)
545 function getMaxFileSize ()
547 $size1 = return_bytes ( ini_get ( 'post_max_size' ));
548 $size2 = return_bytes ( ini_get ( 'upload_max_filesize' ));
549 // Return the smaller of two:
550 $maxsize = min ( $size1 , $size2 );
551 // FIXME: Then convert back to readable notations ? (e.g. 2M instead of 2000000)
555 /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a timestamp (Unix epoch)
556 (used to build the ADD_DATE attribute in Netscape-bookmarks file)
557 PS: I could have used strptime(), but it does not exist on Windows. I'm too kind. */
558 function linkdate2timestamp ( $linkdate )
560 if ( strcmp ( $linkdate , '_000000' ) !== 0 || ! $linkdate ){
562 $r = sscanf ( $linkdate , '%4d%2d%2d_%2d%2d%2d' , $Y , $M , $D , $h , $m , $s );
563 return mktime ( $h , $m , $s , $M , $D , $Y );
568 /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a RFC822 date.
569 (used to build the pubDate attribute in RSS feed.) */
570 function linkdate2rfc822 ( $linkdate )
572 return date ( 'r' , linkdate2timestamp ( $linkdate )); // 'r' is for RFC822 date format.
575 /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a ISO 8601 date.
576 (used to build the updated tags in ATOM feed.) */
577 function linkdate2iso8601 ( $linkdate )
579 return date ( 'c' , linkdate2timestamp ( $linkdate )); // 'c' is for ISO 8601 date format.
582 // ------------------------------------------------------------------------------------------
583 // Token management for XSRF protection
584 // Token should be used in any form which acts on data (create,update,delete,import...).
585 if (! isset ( $_SESSION [ 'tokens' ])) $_SESSION [ 'tokens' ]= array (); // Token are attached to the session.
590 $rnd = sha1 ( uniqid ( '' , true ). '_' . mt_rand (). $GLOBALS [ 'salt' ]); // We generate a random string.
591 $_SESSION [ 'tokens' ][ $rnd ]= 1 ; // Store it on the server side.
595 // Tells if a token is OK. Using this function will destroy the token.
597 function tokenOk ( $token )
599 if ( isset ( $_SESSION [ 'tokens' ][ $token ]))
601 unset ( $_SESSION [ 'tokens' ][ $token ]); // Token is used: destroy it.
602 return true ; // Token is OK.
604 return false ; // Wrong token, or already used.
607 // ------------------------------------------------------------------------------------------
608 /* This class is in charge of building the final page.
609 (This is basically a wrapper around RainTPL which pre-fills some fields.)
611 p.assign('myfield','myvalue');
612 p.renderPage('mytemplate');
617 private $tpl ; // RainTPL template
619 function __construct ()
625 * Initialize all default tpl tags.
627 private function initialize ()
629 $this- > tpl
= new RainTPL
;
632 $version = ApplicationUtils
:: checkUpdate (
634 $GLOBALS [ 'config' ][ 'UPDATECHECK_FILENAME' ],
635 $GLOBALS [ 'config' ][ 'UPDATECHECK_INTERVAL' ],
636 $GLOBALS [ 'config' ][ 'ENABLE_UPDATECHECK' ],
638 $GLOBALS [ 'config' ][ 'UPDATECHECK_BRANCH' ]
640 $this- > tpl
-> assign ( 'newVersion' , escape ( $version ));
641 $this- > tpl
-> assign ( 'versionError' , '' );
643 } catch ( Exception
$exc ) {
644 logm ( $exc- > getMessage ());
645 $this- > tpl
-> assign ( 'newVersion' , '' );
646 $this- > tpl
-> assign ( 'versionError' , escape ( $exc- > getMessage ()));
649 $this- > tpl
-> assign ( 'feedurl' , escape ( index_url ( $_SERVER )));
650 $searchcrits = '' ; // Search criteria
651 if (! empty ( $_GET [ 'searchtags' ])) {
652 $searchcrits .= '&searchtags=' . urlencode ( $_GET [ 'searchtags' ]);
654 elseif (! empty ( $_GET [ 'searchterm' ])) {
655 $searchcrits .= '&searchterm=' . urlencode ( $_GET [ 'searchterm' ]);
657 $this- > tpl
-> assign ( 'searchcrits' , $searchcrits );
658 $this- > tpl
-> assign ( 'source' , index_url ( $_SERVER ));
659 $this- > tpl
-> assign ( 'version' , shaarli_version
);
660 $this- > tpl
-> assign ( 'scripturl' , index_url ( $_SERVER ));
661 $this- > tpl
-> assign ( 'pagetitle' , 'Shaarli' );
662 $this- > tpl
-> assign ( 'privateonly' , ! empty ( $_SESSION [ 'privateonly' ])); // Show only private links?
663 if (! empty ( $GLOBALS [ 'title' ])) {
664 $this- > tpl
-> assign ( 'pagetitle' , $GLOBALS [ 'title' ]);
666 if (! empty ( $GLOBALS [ 'titleLink' ])) {
667 $this- > tpl
-> assign ( 'titleLink' , $GLOBALS [ 'titleLink' ]);
669 if (! empty ( $GLOBALS [ 'pagetitle' ])) {
670 $this- > tpl
-> assign ( 'pagetitle' , $GLOBALS [ 'pagetitle' ]);
672 $this- > tpl
-> assign ( 'shaarlititle' , empty ( $GLOBALS [ 'title' ]) ? 'Shaarli' : $GLOBALS [ 'title' ]);
673 if (! empty ( $GLOBALS [ 'plugin_errors' ])) {
674 $this- > tpl
-> assign ( 'plugin_errors' , $GLOBALS [ 'plugin_errors' ]);
678 // The following assign() method is basically the same as RainTPL (except that it's lazy)
679 public function assign ( $what , $where )
681 if ( $this- > tpl
=== false ) $this- > initialize (); // Lazy initialization
682 $this- > tpl
-> assign ( $what , $where );
685 // Render a specific page (using a template).
686 // e.g. pb.renderPage('picwall')
687 public function renderPage ( $page )
689 if ( $this- > tpl
=== false ) $this- > initialize (); // Lazy initialization
690 $this- > tpl
-> draw ( $page );
694 // ------------------------------------------------------------------------------------------
695 // Output the last N links in RSS 2.0 format.
698 header ( 'Content-Type: application/rss+xml; charset=utf-8' );
700 // $usepermalink : If true, use permalink instead of final link.
701 // User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=rss&permalinks
702 // Also enabled through a config option
703 $usepermalinks = isset ( $_GET [ 'permalinks' ]) || ! $GLOBALS [ 'config' ][ 'ENABLE_RSS_PERMALINKS' ];
706 $query = $_SERVER [ "QUERY_STRING" ];
707 $cache = new CachedPage (
708 $GLOBALS [ 'config' ][ 'PAGECACHE' ],
710 startsWith ( $query , 'do=rss' ) && ! isLoggedIn ()
712 $cached = $cache- > cachedVersion ();
713 if (! empty ( $cached )) {
718 // If cached was not found (or not usable), then read the database and build the response:
719 $LINKSDB = new LinkDB (
720 $GLOBALS [ 'config' ][ 'DATASTORE' ],
722 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ],
723 $GLOBALS [ 'redirector' ]
725 // Read links from database (and filter private links if user it not logged in).
727 // Optionally filter the results:
728 if (! empty ( $_GET [ 'searchterm' ])) {
729 $linksToDisplay = $LINKSDB- > filter ( LinkFilter
:: $FILTER_TEXT , $_GET [ 'searchterm' ]);
731 elseif (! empty ( $_GET [ 'searchtags' ])) {
732 $linksToDisplay = $LINKSDB- > filter ( LinkFilter
:: $FILTER_TAG , trim ( $_GET [ 'searchtags' ]));
735 $linksToDisplay = $LINKSDB ;
738 $nblinksToDisplay = 50 ; // Number of links to display.
739 // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
740 if (! empty ( $_GET [ 'nb' ])) {
741 $nblinksToDisplay = $_GET [ 'nb' ] == 'all' ? count ( $linksToDisplay ) : max ( intval ( $_GET [ 'nb' ]), 1 );
744 $pageaddr = escape ( index_url ( $_SERVER ));
745 echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">' ;
746 echo '<channel><title>' . $GLOBALS [ 'title' ]. '</title><link>' . $pageaddr . '</link>' ;
747 echo '<description>Shared links</description><language>en-en</language><copyright>' . $pageaddr . '</copyright>' . " \n\n " ;
748 if (! empty ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]))
750 echo '<!-- PubSubHubbub Discovery -->' ;
751 echo '<link rel="hub" href="' . escape ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]). '" xmlns="http://www.w3.org/2005/Atom" />' ;
752 echo '<link rel="self" href="' . $pageaddr . '?do=rss" xmlns="http://www.w3.org/2005/Atom" />' ;
753 echo '<!-- End Of PubSubHubbub Discovery -->' ;
756 $keys = array (); foreach ( $linksToDisplay as $key => $value ) { $keys
[]= $key
; } // No, I can't use array_keys().
757 while ( $i < $nblinksToDisplay && $i < count ( $keys ))
759 $link = $linksToDisplay [ $keys [ $i ]];
760 $guid = $pageaddr . '?' . smallHash ( $link [ 'linkdate' ]);
761 $rfc822date = linkdate2rfc822 ( $link [ 'linkdate' ]);
762 $absurl = $link [ 'url' ];
763 if ( startsWith ( $absurl , '?' )) $absurl = $pageaddr . $absurl ; // make permalink URL absolute
764 if ( $usepermalinks === true )
765 echo '<item><title>' . $link [ 'title' ]. '</title><guid isPermaLink="true">' . $guid . '</guid><link>' . $guid . '</link>' ;
767 echo '<item><title>' . $link [ 'title' ]. '</title><guid isPermaLink="false">' . $guid . '</guid><link>' . $absurl . '</link>' ;
768 if (! $GLOBALS [ 'config' ][ 'HIDE_TIMESTAMPS' ] || isLoggedIn ()) echo '<pubDate>' . escape ( $rfc822date ). "</pubDate> \n " ;
769 if ( $link [ 'tags' ]!= '' ) // Adding tags to each RSS entry (as mentioned in RSS specification)
771 foreach ( explode ( ' ' , $link [ 'tags' ]) as $tag ) { echo '<category domain="' . $pageaddr
. '">' . $tag
. '</category>' . " \n " ; }
774 // Add permalink in description
775 $descriptionlink = '(<a href="' . $guid . '">Permalink</a>)' ;
776 // If user wants permalinks first, put the final link in description
777 if ( $usepermalinks === true ) $descriptionlink = '(<a href="' . $absurl . '">Link</a>)' ;
778 if ( strlen ( $link [ 'description' ])> 0 ) $descriptionlink = '<br>' . $descriptionlink ;
779 echo '<description><![CDATA[' .
780 format_description ( $link [ 'description' ], $GLOBALS [ 'redirector' ]) .
781 $descriptionlink . ']]></description>' . " \n </item> \n " ;
784 echo '</channel></rss><!-- Cached version of ' . escape ( page_url ( $_SERVER )). ' -->' ;
786 $cache- > cache ( ob_get_contents ());
791 // ------------------------------------------------------------------------------------------
792 // Output the last N links in ATOM format.
795 header ( 'Content-Type: application/atom+xml; charset=utf-8' );
797 // $usepermalink : If true, use permalink instead of final link.
798 // User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=atom&permalinks
799 $usepermalinks = isset ( $_GET [ 'permalinks' ]) || ! $GLOBALS [ 'config' ][ 'ENABLE_RSS_PERMALINKS' ];
802 $query = $_SERVER [ "QUERY_STRING" ];
803 $cache = new CachedPage (
804 $GLOBALS [ 'config' ][ 'PAGECACHE' ],
806 startsWith ( $query , 'do=atom' ) && ! isLoggedIn ()
808 $cached = $cache- > cachedVersion ();
809 if (! empty ( $cached )) {
814 // If cached was not found (or not usable), then read the database and build the response:
815 // Read links from database (and filter private links if used it not logged in).
816 $LINKSDB = new LinkDB (
817 $GLOBALS [ 'config' ][ 'DATASTORE' ],
819 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ],
820 $GLOBALS [ 'redirector' ]
823 // Optionally filter the results:
824 if (! empty ( $_GET [ 'searchterm' ])) {
825 $linksToDisplay = $LINKSDB- > filter ( LinkFilter
:: $FILTER_TEXT , $_GET [ 'searchterm' ]);
827 else if (! empty ( $_GET [ 'searchtags' ])) {
828 $linksToDisplay = $LINKSDB- > filter ( LinkFilter
:: $FILTER_TAG , trim ( $_GET [ 'searchtags' ]));
831 $linksToDisplay = $LINKSDB ;
834 $nblinksToDisplay = 50 ; // Number of links to display.
835 // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
836 if (! empty ( $_GET [ 'nb' ])) {
837 $nblinksToDisplay = $_GET [ 'nb' ]== 'all' ? count ( $linksToDisplay ) : max ( intval ( $_GET [ 'nb' ]), 1 );
840 $pageaddr = escape ( index_url ( $_SERVER ));
844 $keys = array (); foreach ( $linksToDisplay as $key => $value ) { $keys
[]= $key
; } // No, I can't use array_keys().
845 while ( $i < $nblinksToDisplay && $i < count ( $keys ))
847 $link = $linksToDisplay [ $keys [ $i ]];
848 $guid = $pageaddr . '?' . smallHash ( $link [ 'linkdate' ]);
849 $iso8601date = linkdate2iso8601 ( $link [ 'linkdate' ]);
850 $latestDate = max ( $latestDate , $iso8601date );
851 $absurl = $link [ 'url' ];
852 if ( startsWith ( $absurl , '?' )) $absurl = $pageaddr . $absurl ; // make permalink URL absolute
853 $entries .= '<entry><title>' . $link [ 'title' ]. '</title>' ;
854 if ( $usepermalinks === true )
855 $entries .= '<link href="' . $guid . '" /><id>' . $guid . '</id>' ;
857 $entries .= '<link href="' . $absurl . '" /><id>' . $guid . '</id>' ;
858 if (! $GLOBALS [ 'config' ][ 'HIDE_TIMESTAMPS' ] || isLoggedIn ()) $entries .= '<updated>' . escape ( $iso8601date ). '</updated>' ;
860 // Add permalink in description
861 $descriptionlink = '(<a href="' . $guid . '">Permalink</a>)' ;
862 // If user wants permalinks first, put the final link in description
863 if ( $usepermalinks === true ) $descriptionlink = '(<a href="' . $absurl . '">Link</a>)' ;
864 if ( strlen ( $link [ 'description' ])> 0 ) $descriptionlink = '<br>' . $descriptionlink ;
866 $entries .= '<content type="html"><![CDATA[' .
867 format_description ( $link [ 'description' ], $GLOBALS [ 'redirector' ]) .
868 $descriptionlink . "]]></content> \n " ;
869 if ( $link [ 'tags' ]!= '' ) // Adding tags to each ATOM entry (as mentioned in ATOM specification)
871 foreach ( explode ( ' ' , $link [ 'tags' ]) as $tag )
872 { $entries
.= '<category scheme="' . $pageaddr
. '" term="' . $tag
. '" />' . " \n " ; }
874 $entries .= "</entry> \n " ;
877 $feed = '<?xml version="1.0" encoding="UTF-8"?><feed xmlns="http://www.w3.org/2005/Atom">' ;
878 $feed .= '<title>' . $GLOBALS [ 'title' ]. '</title>' ;
879 if (! $GLOBALS [ 'config' ][ 'HIDE_TIMESTAMPS' ] || isLoggedIn ()) $feed .= '<updated>' . escape ( $latestDate ). '</updated>' ;
880 $feed .= '<link rel="self" href="' . escape ( server_url ( $_SERVER ). $_SERVER [ "REQUEST_URI" ]). '" />' ;
881 if (! empty ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]))
883 $feed .= '<!-- PubSubHubbub Discovery -->' ;
884 $feed .= '<link rel="hub" href="' . escape ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]). '" />' ;
885 $feed .= '<!-- End Of PubSubHubbub Discovery -->' ;
887 $feed .= '<author><name>' . $pageaddr . '</name><uri>' . $pageaddr . '</uri></author>' ;
888 $feed .= '<id>' . $pageaddr . '</id>' . " \n\n " ; // Yes, I know I should use a real IRI (RFC3987), but the site URL will do.
890 $feed .= '</feed><!-- Cached version of ' . escape ( page_url ( $_SERVER )). ' -->' ;
893 $cache- > cache ( ob_get_contents ());
898 // ------------------------------------------------------------------------------------------
899 // Daily RSS feed: 1 RSS entry per day giving all the links on that day.
900 // Gives the last 7 days (which have links).
901 // This RSS feed cannot be filtered.
902 function showDailyRSS () {
904 $query = $_SERVER [ "QUERY_STRING" ];
905 $cache = new CachedPage (
906 $GLOBALS [ 'config' ][ 'PAGECACHE' ],
908 startsWith ( $query , 'do=dailyrss' ) && ! isLoggedIn ()
910 $cached = $cache- > cachedVersion ();
911 if (! empty ( $cached )) {
916 // If cached was not found (or not usable), then read the database and build the response:
917 // Read links from database (and filter private links if used it not logged in).
918 $LINKSDB = new LinkDB (
919 $GLOBALS [ 'config' ][ 'DATASTORE' ],
921 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ],
922 $GLOBALS [ 'redirector' ]
925 /* Some Shaarlies may have very few links, so we need to look
926 back in time (rsort()) until we have enough days ($nb_of_days).
928 $linkdates = array ();
929 foreach ( $LINKSDB as $linkdate => $value ) {
930 $linkdates [] = $linkdate ;
933 $nb_of_days = 7 ; // We take 7 days.
934 $today = Date ( 'Ymd' );
937 foreach ( $linkdates as $linkdate ) {
938 $day = substr ( $linkdate , 0 , 8 ); // Extract day (without time)
939 if ( strcmp ( $day , $today ) < 0 ) {
940 if ( empty ( $days [ $day ])) {
941 $days [ $day ] = array ();
943 $days [ $day ][] = $linkdate ;
946 if ( count ( $days ) > $nb_of_days ) {
947 break ; // Have we collected enough days?
951 // Build the RSS feed.
952 header ( 'Content-Type: application/rss+xml; charset=utf-8' );
953 $pageaddr = escape ( index_url ( $_SERVER ));
954 echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">' ;
956 echo '<title>Daily - ' . $GLOBALS [ 'title' ] . '</title>' ;
957 echo '<link>' . $pageaddr . '</link>' ;
958 echo '<description>Daily shared links</description>' ;
959 echo '<language>en-en</language>' ;
960 echo '<copyright>' . $pageaddr . '</copyright>' . PHP_EOL
;
963 foreach ( $days as $day => $linkdates ) {
964 $daydate = linkdate2timestamp ( $day . '_000000' ); // Full text date
965 $rfc822date = linkdate2rfc822 ( $day . '_000000' );
966 $absurl = escape ( index_url ( $_SERVER ). '?do=daily&day=' . $day ); // Absolute URL of the corresponding "Daily" page.
968 // Build the HTML body of this RSS entry.
973 // We pre-format some fields for proper output.
974 foreach ( $linkdates as $linkdate ) {
975 $l = $LINKSDB [ $linkdate ];
976 $l [ 'formatedDescription' ] = format_description ( $l [ 'description' ], $GLOBALS [ 'redirector' ]);
977 $l [ 'thumbnail' ] = thumbnail ( $l [ 'url' ]);
978 $l [ 'timestamp' ] = linkdate2timestamp ( $l [ 'linkdate' ]);
979 if ( startsWith ( $l [ 'url' ], '?' )) {
980 $l [ 'url' ] = index_url ( $_SERVER ) . $l [ 'url' ]; // make permalink URL absolute
982 $links [ $linkdate ] = $l ;
985 // Then build the HTML for this day:
987 $tpl- > assign ( 'title' , $GLOBALS [ 'title' ]);
988 $tpl- > assign ( 'daydate' , $daydate );
989 $tpl- > assign ( 'absurl' , $absurl );
990 $tpl- > assign ( 'links' , $links );
991 $tpl- > assign ( 'rfc822date' , escape ( $rfc822date ));
992 $html = $tpl- > draw ( 'dailyrss' , $return_string = true );
994 echo $html . PHP_EOL
;
996 echo '</channel></rss><!-- Cached version of ' . escape ( page_url ( $_SERVER )) . ' -->' ;
998 $cache- > cache ( ob_get_contents ());
1004 * Show the 'Daily' page.
1006 * @param PageBuilder $pageBuilder Template engine wrapper.
1008 function showDaily ( $pageBuilder )
1010 $LINKSDB = new LinkDB (
1011 $GLOBALS [ 'config' ][ 'DATASTORE' ],
1013 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ],
1014 $GLOBALS [ 'redirector' ]
1017 $day = Date ( 'Ymd' , strtotime ( '-1 day' )); // Yesterday, in format YYYYMMDD.
1018 if ( isset ( $_GET [ 'day' ])) $day = $_GET [ 'day' ];
1020 $days = $LINKSDB- > days ();
1021 $i = array_search ( $day , $days );
1022 if ( $i === false ) { $i
= count ( $days
)- 1 ; $day
= $days
[ $i
]; }
1027 if ( $i >= 1 ) $previousday = $days [ $i-1 ];
1028 if ( $i < count ( $days )- 1 ) $nextday = $days [ $i +
1 ];
1032 $linksToDisplay = $LINKSDB- > filter ( LinkFilter
:: $FILTER_DAY , $day );
1033 } catch ( Exception
$exc ) {
1035 $linksToDisplay = array ();
1038 // We pre-format some fields for proper output.
1039 foreach ( $linksToDisplay as $key => $link )
1042 $taglist = explode ( ' ' , $link [ 'tags' ]);
1043 uasort ( $taglist , 'strcasecmp' );
1044 $linksToDisplay [ $key ][ 'taglist' ]= $taglist ;
1045 $linksToDisplay [ $key ][ 'formatedDescription' ] = format_description ( $link [ 'description' ], $GLOBALS [ 'redirector' ]);
1046 $linksToDisplay [ $key ][ 'thumbnail' ] = thumbnail ( $link [ 'url' ]);
1047 $linksToDisplay [ $key ][ 'timestamp' ] = linkdate2timestamp ( $link [ 'linkdate' ]);
1050 /* We need to spread the articles on 3 columns.
1051 I did not want to use a JavaScript lib like http://masonry.desandro.com/
1052 so I manually spread entries with a simple method: I roughly evaluate the
1053 height of a div according to title and description length.
1055 $columns = array ( array (), array (), array ()); // Entries to display, for each column.
1056 $fill = array ( 0 , 0 , 0 ); // Rough estimate of columns fill.
1057 foreach ( $linksToDisplay as $key => $link )
1059 // Roughly estimate length of entry (by counting characters)
1060 // Title: 30 chars = 1 line. 1 line is 30 pixels height.
1061 // Description: 836 characters gives roughly 342 pixel height.
1062 // This is not perfect, but it's usually OK.
1063 $length = strlen ( $link [ 'title' ]) +
( 342 * strlen ( $link [ 'description' ]))/ 836 ;
1064 if ( $link [ 'thumbnail' ]) $length +
= 100 ; // 1 thumbnails roughly takes 100 pixels height.
1065 // Then put in column which is the less filled:
1066 $smallest = min ( $fill ); // find smallest value in array.
1067 $index = array_search ( $smallest , $fill ); // find index of this smallest value.
1068 array_push ( $columns [ $index ], $link ); // Put entry in this column.
1069 $fill [ $index ] +
= $length ;
1073 'linksToDisplay' => $linksToDisplay ,
1074 'linkcount' => count ( $LINKSDB ),
1076 'day' => linkdate2timestamp ( $day . '_000000' ),
1077 'previousday' => $previousday ,
1078 'nextday' => $nextday ,
1080 $pluginManager = PluginManager
:: getInstance ();
1081 $pluginManager- > executeHooks ( 'render_daily' , $data , array ( 'loggedin' => isLoggedIn ()));
1083 foreach ( $data as $key => $value ) {
1084 $pageBuilder- > assign ( $key , $value );
1087 $pageBuilder- > renderPage ( 'daily' );
1091 // Renders the linklist
1092 function showLinkList ( $PAGE , $LINKSDB ) {
1093 buildLinkList ( $PAGE , $LINKSDB ); // Compute list of links to display
1094 $PAGE- > renderPage ( 'linklist' );
1098 // ------------------------------------------------------------------------------------------
1099 // Render HTML page (according to URL parameters and user rights)
1100 function renderPage ()
1102 $LINKSDB = new LinkDB (
1103 $GLOBALS [ 'config' ][ 'DATASTORE' ],
1105 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ],
1106 $GLOBALS [ 'redirector' ]
1109 $PAGE = new pageBuilder
;
1111 // Determine which page will be rendered.
1112 $query = ( isset ( $_SERVER [ 'QUERY_STRING' ])) ? $_SERVER [ 'QUERY_STRING' ] : '' ;
1113 $targetPage = Router
:: findPage ( $query , $_GET , isLoggedIn ());
1115 // Call plugin hooks for header, footer and includes, specifying which page will be rendered.
1116 // Then assign generated data to RainTPL.
1117 $common_hooks = array (
1122 $pluginManager = PluginManager
:: getInstance ();
1123 foreach ( $common_hooks as $name ) {
1124 $plugin_data = array ();
1125 $pluginManager- > executeHooks ( 'render_' . $name , $plugin_data ,
1127 'target' => $targetPage ,
1128 'loggedin' => isLoggedIn ()
1131 $PAGE- > assign ( 'plugins_' . $name , $plugin_data );
1134 // -------- Display login form.
1135 if ( $targetPage == Router
:: $PAGE_LOGIN )
1137 if ( $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ]) { header ( 'Location: ?' ); exit ; } // No need to login for open Shaarli
1138 $token = '' ; if ( ban_canLogin ()) $token = getToken (); // Do not waste token generation if not useful.
1139 $PAGE- > assign ( 'token' , $token );
1140 $PAGE- > assign ( 'returnurl' ,( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]): '' ));
1141 $PAGE- > renderPage ( 'loginform' );
1144 // -------- User wants to logout.
1145 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=logout' ))
1147 invalidateCaches ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]);
1149 header ( 'Location: ?' );
1153 // -------- Picture wall
1154 if ( $targetPage == Router
:: $PAGE_PICWALL )
1156 // Optionally filter the results:
1157 if (! empty ( $_GET [ 'searchterm' ])) {
1158 $links = $LINKSDB- > filter ( LinkFilter
:: $FILTER_TEXT , $_GET [ 'searchterm' ]);
1160 elseif (! empty ( $_GET [ 'searchtags' ])) {
1161 $links = $LINKSDB- > filter ( LinkFilter
:: $FILTER_TAG , trim ( $_GET [ 'searchtags' ]));
1167 $linksToDisplay = array ();
1169 // Get only links which have a thumbnail.
1170 foreach ( $links as $link )
1172 $permalink = '?' . escape ( smallhash ( $link [ 'linkdate' ]));
1173 $thumb = lazyThumbnail ( $link [ 'url' ], $permalink );
1174 if ( $thumb != '' ) // Only output links which have a thumbnail.
1176 $link [ 'thumbnail' ]= $thumb ; // Thumbnail HTML code.
1177 $linksToDisplay []= $link ; // Add to array.
1182 'linkcount' => count ( $LINKSDB ),
1183 'linksToDisplay' => $linksToDisplay ,
1185 $pluginManager- > executeHooks ( 'render_picwall' , $data , array ( 'loggedin' => isLoggedIn ()));
1187 foreach ( $data as $key => $value ) {
1188 $PAGE- > assign ( $key , $value );
1191 $PAGE- > renderPage ( 'picwall' );
1195 // -------- Tag cloud
1196 if ( $targetPage == Router
:: $PAGE_TAGCLOUD )
1198 $tags = $LINKSDB- > allTags ();
1200 // We sort tags alphabetically, then choose a font size according to count.
1201 // First, find max value.
1202 $maxcount = 0 ; foreach ( $tags as $key => $value ) $maxcount = max ( $maxcount , $value );
1205 foreach ( $tags as $key => $value )
1206 // Tag font size scaling: default 15 and 30 logarithm bases affect scaling, 22 and 6 are arbitrary font sizes for max and min sizes.
1208 $tagList [ $key ] = array ( 'count' => $value , 'size' => log ( $value , 15 ) / log ( $maxcount , 30 ) * ( 22 - 6 ) +
6 );
1212 'linkcount' => count ( $LINKSDB ),
1215 $pluginManager- > executeHooks ( 'render_tagcloud' , $data , array ( 'loggedin' => isLoggedIn ()));
1217 foreach ( $data as $key => $value ) {
1218 $PAGE- > assign ( $key , $value );
1221 $PAGE- > renderPage ( 'tagcloud' );
1226 if ( $targetPage == Router
:: $PAGE_DAILY ) {
1230 // Display openseach plugin (XML)
1231 if ( $targetPage == Router
:: $PAGE_OPENSEARCH ) {
1232 header ( 'Content-Type: application/xml; charset=utf-8' );
1233 $PAGE- > assign ( 'serverurl' , index_url ( $_SERVER ));
1234 $PAGE- > renderPage ( 'opensearch' );
1238 // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...)
1239 if ( isset ( $_GET [ 'addtag' ]))
1241 // Get previous URL (http_referer) and add the tag to the searchtags parameters in query.
1242 if ( empty ( $_SERVER [ 'HTTP_REFERER' ])) { header ( 'Location: ?searchtags=' . urlencode ( $_GET
[ 'addtag' ])); exit ; } // In case browser does not send HTTP_REFERER
1243 parse_str ( parse_url ( $_SERVER [ 'HTTP_REFERER' ], PHP_URL_QUERY
), $params );
1245 // Prevent redirection loop
1246 if ( isset ( $params [ 'addtag' ])) {
1247 unset ( $params [ 'addtag' ]);
1250 // Check if this tag is already in the search query and ignore it if it is.
1251 // Each tag is always separated by a space
1252 if ( isset ( $params [ 'searchtags' ])) {
1253 $current_tags = explode ( ' ' , $params [ 'searchtags' ]);
1255 $current_tags = array ();
1258 foreach ( $current_tags as $value ) {
1259 if ( $value === $_GET [ 'addtag' ]) {
1264 // Append the tag if necessary
1265 if ( empty ( $params [ 'searchtags' ])) {
1266 $params [ 'searchtags' ] = trim ( $_GET [ 'addtag' ]);
1269 $params [ 'searchtags' ] = trim ( $params [ 'searchtags' ]). ' ' . trim ( $_GET [ 'addtag' ]);
1272 unset ( $params [ 'page' ]); // We also remove page (keeping the same page has no sense, since the results are different)
1273 header ( 'Location: ?' . http_build_query ( $params ));
1277 // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...)
1278 if ( isset ( $_GET [ 'removetag' ])) {
1279 // Get previous URL (http_referer) and remove the tag from the searchtags parameters in query.
1280 if ( empty ( $_SERVER [ 'HTTP_REFERER' ])) {
1281 header ( 'Location: ?' );
1285 // In case browser does not send HTTP_REFERER
1286 parse_str ( parse_url ( $_SERVER [ 'HTTP_REFERER' ], PHP_URL_QUERY
), $params );
1288 // Prevent redirection loop
1289 if ( isset ( $params [ 'removetag' ])) {
1290 unset ( $params [ 'removetag' ]);
1293 if ( isset ( $params [ 'searchtags' ])) {
1294 $tags = explode ( ' ' , $params [ 'searchtags' ]);
1295 // Remove value from array $tags.
1296 $tags = array_diff ( $tags , array ( $_GET [ 'removetag' ]));
1297 $params [ 'searchtags' ] = implode ( ' ' , $tags );
1299 if ( empty ( $params [ 'searchtags' ])) {
1300 unset ( $params [ 'searchtags' ]);
1303 unset ( $params [ 'page' ]); // We also remove page (keeping the same page has no sense, since the results are different)
1305 header ( 'Location: ?' . http_build_query ( $params ));
1309 // -------- User wants to change the number of links per page (linksperpage=...)
1310 if ( isset ( $_GET [ 'linksperpage' ])) {
1311 if ( is_numeric ( $_GET [ 'linksperpage' ])) {
1312 $_SESSION [ 'LINKS_PER_PAGE' ]= abs ( intval ( $_GET [ 'linksperpage' ]));
1315 header ( 'Location: ' . generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'linksperpage' )));
1319 // -------- User wants to see only private links (toggle)
1320 if ( isset ( $_GET [ 'privateonly' ])) {
1321 if ( empty ( $_SESSION [ 'privateonly' ])) {
1322 $_SESSION [ 'privateonly' ] = 1 ; // See only private links
1324 unset ( $_SESSION [ 'privateonly' ]); // See all links
1327 header ( 'Location: ' . generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'privateonly' )));
1331 // -------- Handle other actions allowed for non-logged in users:
1334 // User tries to post new link but is not logged in:
1335 // Show login screen, then redirect to ?post=...
1336 if ( isset ( $_GET [ 'post' ]))
1338 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.
1342 // Same case as above except that user tried to access ?do=addlink without being logged in
1343 // Note: passing empty parameters makes Shaarli generate default URLs and descriptions.
1344 if ( isset ( $_GET [ 'do' ]) && $_GET [ 'do' ] === 'addlink' ) {
1345 header ( 'Location: ?do=login&post=' );
1348 showLinkList ( $PAGE , $LINKSDB );
1349 if ( isset ( $_GET [ 'edit_link' ])) {
1350 header ( 'Location: ?do=login&edit_link=' . escape ( $_GET [ 'edit_link' ]));
1354 exit ; // Never remove this one! All operations below are reserved for logged in user.
1357 // -------- All other functions are reserved for the registered user:
1359 // -------- Display the Tools menu if requested (import/export/bookmarklet...)
1360 if ( $targetPage == Router
:: $PAGE_TOOLS )
1363 'linkcount' => count ( $LINKSDB ),
1364 'pageabsaddr' => index_url ( $_SERVER ),
1366 $pluginManager- > executeHooks ( 'render_tools' , $data );
1368 foreach ( $data as $key => $value ) {
1369 $PAGE- > assign ( $key , $value );
1372 $PAGE- > renderPage ( 'tools' );
1376 // -------- User wants to change his/her password.
1377 if ( $targetPage == Router
:: $PAGE_CHANGEPASSWORD )
1379 if ( $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ]) die ( 'You are not supposed to change a password on an Open Shaarli.' );
1380 if (! empty ( $_POST [ 'setpassword' ]) && ! empty ( $_POST [ 'oldpassword' ]))
1382 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' ); // Go away!
1384 // Make sure old password is correct.
1385 $oldhash = sha1 ( $_POST [ 'oldpassword' ]. $GLOBALS [ 'login' ]. $GLOBALS [ 'salt' ]);
1386 if ( $oldhash != $GLOBALS [ 'hash' ]) { echo '<script>alert("The old password is not correct.");document.location= \' ?do=changepasswd \' ;</script>' ; exit ; }
1387 // Save new password
1388 $GLOBALS [ 'salt' ] = sha1 ( uniqid ( '' , true ). '_' . mt_rand ()); // Salt renders rainbow-tables attacks useless.
1389 $GLOBALS [ 'hash' ] = sha1 ( $_POST [ 'setpassword' ]. $GLOBALS [ 'login' ]. $GLOBALS [ 'salt' ]);
1391 writeConfig ( $GLOBALS , isLoggedIn ());
1393 catch ( Exception
$e ) {
1395 'ERROR while writing config file after changing password.' . PHP_EOL
.
1399 // TODO: do not handle exceptions/errors in JS.
1400 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ?do=tools \' ;</script>' ;
1403 echo '<script>alert("Your password has been changed.");document.location= \' ?do=tools \' ;</script>' ;
1406 else // show the change password form.
1408 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1409 $PAGE- > assign ( 'token' , getToken ());
1410 $PAGE- > renderPage ( 'changepassword' );
1415 // -------- User wants to change configuration
1416 if ( $targetPage == Router
:: $PAGE_CONFIGURE )
1418 if (! empty ( $_POST [ 'title' ]) )
1420 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' ); // Go away!
1422 if (! empty ( $_POST [ 'continent' ]) && ! empty ( $_POST [ 'city' ]))
1423 if ( isTimeZoneValid ( $_POST [ 'continent' ], $_POST [ 'city' ]))
1424 $tz = $_POST [ 'continent' ]. '/' . $_POST [ 'city' ];
1425 $GLOBALS [ 'timezone' ] = $tz ;
1426 $GLOBALS [ 'title' ]= $_POST [ 'title' ];
1427 $GLOBALS [ 'titleLink' ]= $_POST [ 'titleLink' ];
1428 $GLOBALS [ 'redirector' ]= $_POST [ 'redirector' ];
1429 $GLOBALS [ 'disablesessionprotection' ]=! empty ( $_POST [ 'disablesessionprotection' ]);
1430 $GLOBALS [ 'privateLinkByDefault' ]=! empty ( $_POST [ 'privateLinkByDefault' ]);
1431 $GLOBALS [ 'config' ][ 'ENABLE_RSS_PERMALINKS' ]= ! empty ( $_POST [ 'enableRssPermalinks' ]);
1432 $GLOBALS [ 'config' ][ 'ENABLE_UPDATECHECK' ] = ! empty ( $_POST [ 'updateCheck' ]);
1433 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ] = ! empty ( $_POST [ 'hidePublicLinks' ]);
1435 writeConfig ( $GLOBALS , isLoggedIn ());
1437 catch ( Exception
$e ) {
1439 'ERROR while writing config file after configuration update.' . PHP_EOL
.
1443 // TODO: do not handle exceptions/errors in JS.
1444 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ?do=tools \' ;</script>' ;
1447 echo '<script>alert("Configuration was saved.");document.location= \' ?do=tools \' ;</script>' ;
1450 else // Show the configuration form.
1452 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1453 $PAGE- > assign ( 'token' , getToken ());
1454 $PAGE- > assign ( 'title' , empty ( $GLOBALS [ 'title' ]) ? '' : $GLOBALS [ 'title' ] );
1455 $PAGE- > assign ( 'redirector' , empty ( $GLOBALS [ 'redirector' ]) ? '' : $GLOBALS [ 'redirector' ] );
1456 list ( $timezone_form , $timezone_js ) = generateTimeZoneForm ( $GLOBALS [ 'timezone' ]);
1457 $PAGE- > assign ( 'timezone_form' , $timezone_form );
1458 $PAGE- > assign ( 'timezone_js' , $timezone_js );
1459 $PAGE- > renderPage ( 'configure' );
1464 // -------- User wants to rename a tag or delete it
1465 if ( $targetPage == Router
:: $PAGE_CHANGETAG )
1467 if ( empty ( $_POST [ 'fromtag' ]) || ( empty ( $_POST [ 'totag' ]) && isset ( $_POST [ 'renametag' ]))) {
1468 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1469 $PAGE- > assign ( 'token' , getToken ());
1470 $PAGE- > assign ( 'tags' , $LINKSDB- > allTags ());
1471 $PAGE- > renderPage ( 'changetag' );
1475 if (! tokenOk ( $_POST [ 'token' ])) {
1476 die ( 'Wrong token.' );
1480 if ( isset ( $_POST [ 'deletetag' ]) && ! empty ( $_POST [ 'fromtag' ])) {
1481 $needle = trim ( $_POST [ 'fromtag' ]);
1482 // True for case-sensitive tag search.
1483 $linksToAlter = $LINKSDB- > filter ( LinkFilter
:: $FILTER_TAG , $needle , true );
1484 foreach ( $linksToAlter as $key => $value )
1486 $tags = explode ( ' ' , trim ( $value [ 'tags' ]));
1487 unset ( $tags [ array_search ( $needle , $tags )]); // Remove tag.
1488 $value [ 'tags' ]= trim ( implode ( ' ' , $tags ));
1489 $LINKSDB [ $key ]= $value ;
1491 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]);
1492 echo '<script>alert("Tag was removed from ' . count ( $linksToAlter ). ' links.");document.location= \' ? \' ;</script>' ;
1497 if ( isset ( $_POST [ 'renametag' ]) && ! empty ( $_POST [ 'fromtag' ]) && ! empty ( $_POST [ 'totag' ])) {
1498 $needle = trim ( $_POST [ 'fromtag' ]);
1499 // True for case-sensitive tag search.
1500 $linksToAlter = $LINKSDB- > filter ( LinkFilter
:: $FILTER_TAG , $needle , true );
1501 foreach ( $linksToAlter as $key => $value )
1503 $tags = explode ( ' ' , trim ( $value [ 'tags' ]));
1504 $tags [ array_search ( $needle , $tags )] = trim ( $_POST [ 'totag' ]); // Replace tags value.
1505 $value [ 'tags' ]= trim ( implode ( ' ' , $tags ));
1506 $LINKSDB [ $key ]= $value ;
1508 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]); // Save to disk.
1509 echo '<script>alert("Tag was renamed in ' . count ( $linksToAlter ). ' links.");document.location= \' ?searchtags=' . urlencode ( $_POST [ 'totag' ]). ' \' ;</script>' ;
1514 // -------- User wants to add a link without using the bookmarklet: Show form.
1515 if ( $targetPage == Router
:: $PAGE_ADDLINK )
1517 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1518 $PAGE- > renderPage ( 'addlink' );
1522 // -------- User clicked the "Save" button when editing a link: Save link to database.
1523 if ( isset ( $_POST [ 'save_edit' ]))
1525 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' ); // Go away!
1526 $tags = trim ( preg_replace ( '/\s\s+/' , ' ' , $_POST [ 'lf_tags' ])); // Remove multiple spaces.
1527 $tags = implode ( ' ' , array_unique ( explode ( ' ' , $tags ))); // Remove duplicates.
1528 $linkdate = $_POST [ 'lf_linkdate' ];
1529 $url = trim ( $_POST [ 'lf_url' ]);
1530 if (! startsWith ( $url , 'http:' ) && ! startsWith ( $url , 'https:' ) && ! startsWith ( $url , 'ftp:' ) && ! startsWith ( $url , 'magnet:' ) && ! startsWith ( $url , '?' ) && ! startsWith ( $url , 'javascript:' ))
1531 $url = 'http://' . $url ;
1532 $link = array ( 'title' => trim ( $_POST [ 'lf_title' ]), 'url' => $url , 'description' => trim ( $_POST [ 'lf_description' ]), 'private' =>( isset ( $_POST [ 'lf_private' ]) ? 1 : 0 ),
1533 'linkdate' => $linkdate , 'tags' => str_replace ( ',' , ' ' , $tags ));
1534 if ( $link [ 'title' ]== '' ) $link [ 'title' ]= $link [ 'url' ]; // If title is empty, use the URL as title.
1536 $pluginManager- > executeHooks ( 'save_link' , $link );
1538 $LINKSDB [ $linkdate ] = $link ;
1539 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]); // Save to disk.
1542 // If we are called from the bookmarklet, we must close the popup:
1543 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) {
1544 echo '<script>self.close();</script>' ;
1548 $returnurl = ! empty ( $_POST [ 'returnurl' ]) ? escape ( $_POST [ 'returnurl' ]): '?' ;
1549 $location = generateLocation ( $returnurl , $_SERVER [ 'HTTP_HOST' ], array ( 'addlink' , 'post' , 'edit_link' ));
1550 $location .= '#' . smallHash ( $_POST [ 'lf_linkdate' ]); // Scroll to the link which has been edited.
1551 header ( 'Location: ' . $location ); // After saving the link, redirect to the page the user was on.
1555 // -------- User clicked the "Cancel" button when editing a link.
1556 if ( isset ( $_POST [ 'cancel_edit' ]))
1558 // If we are called from the bookmarklet, we must close the popup:
1559 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) { echo '<script>self.close();</script>' ; exit ; }
1560 $returnurl = ( isset ( $_POST [ 'returnurl' ]) ? $_POST [ 'returnurl' ] : '?' );
1561 $returnurl .= '#' . smallHash ( $_POST [ 'lf_linkdate' ]); // Scroll to the link which has been edited.
1562 $returnurl = generateLocation ( $returnurl , $_SERVER [ 'HTTP_HOST' ], array ( 'addlink' , 'post' , 'edit_link' ));
1563 header ( 'Location: ' . $returnurl ); // After canceling, redirect to the page the user was on.
1567 // -------- User clicked the "Delete" button when editing a link: Delete link from database.
1568 if ( isset ( $_POST [ 'delete_link' ]))
1570 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' );
1571 // We do not need to ask for confirmation:
1572 // - confirmation is handled by JavaScript
1573 // - we are protected from XSRF by the token.
1574 $linkdate = $_POST [ 'lf_linkdate' ];
1576 $pluginManager- > executeHooks ( 'delete_link' , $LINKSDB [ $linkdate ]);
1578 unset ( $LINKSDB [ $linkdate ]);
1579 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]); // save to disk
1581 // If we are called from the bookmarklet, we must close the popup:
1582 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) { echo '<script>self.close();</script>' ; exit ; }
1583 // Pick where we're going to redirect
1584 // =============================================================
1585 // Basically, we can't redirect to where we were previously if it was a permalink
1586 // or an edit_link, because it would 404.
1588 // - / : nothing in $_GET, redirect to self
1589 // - /?page : redirect to self
1590 // - /?searchterm : redirect to self (there might be other links)
1591 // - /?searchtags : redirect to self
1592 // - /permalink : redirect to / (the link does not exist anymore)
1593 // - /?edit_link : redirect to / (the link does not exist anymore)
1594 // PHP treats the permalink as a $_GET variable, so we need to check if every condition for self
1595 // redirect is not satisfied, and only then redirect to /
1598 if ( count ( $_GET ) == 0
1599 || isset ( $_GET [ 'page' ])
1600 || isset ( $_GET [ 'searchterm' ])
1601 || isset ( $_GET [ 'searchtags' ])
1603 if ( isset ( $_POST [ 'returnurl' ])) {
1604 $location = $_POST [ 'returnurl' ]; // Handle redirects given by the form
1606 $location = generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'delete_link' ));
1610 header ( 'Location: ' . $location ); // After deleting the link, redirect to appropriate location
1614 // -------- User clicked the "EDIT" button on a link: Display link edit form.
1615 if ( isset ( $_GET [ 'edit_link' ]))
1617 $link = $LINKSDB [ $_GET [ 'edit_link' ]]; // Read database
1618 if (! $link ) { header ( 'Location: ?' ); exit ; } // Link not found in database.
1620 'linkcount' => count ( $LINKSDB ),
1622 'link_is_new' => false ,
1623 'token' => getToken (),
1624 'http_referer' => ( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]) : '' ),
1625 'tags' => $LINKSDB- > allTags (),
1627 $pluginManager- > executeHooks ( 'render_editlink' , $data );
1629 foreach ( $data as $key => $value ) {
1630 $PAGE- > assign ( $key , $value );
1633 $PAGE- > renderPage ( 'editlink' );
1637 // -------- User want to post a new link: Display link edit form.
1638 if ( isset ( $_GET [ 'post' ])) {
1639 $url = cleanup_url ( escape ( $_GET [ 'post' ]));
1641 $link_is_new = false ;
1642 // Check if URL is not already in database (in this case, we will edit the existing link)
1643 $link = $LINKSDB- > getLinkFromUrl ( $url );
1646 $link_is_new = true ;
1647 $linkdate = strval ( date ( 'Ymd_His' ));
1648 // Get title if it was provided in URL (by the bookmarklet).
1649 $title = empty ( $_GET [ 'title' ]) ? '' : escape ( $_GET [ 'title' ]);
1650 // Get description if it was provided in URL (by the bookmarklet). [Bronco added that]
1651 $description = empty ( $_GET [ 'description' ]) ? '' : escape ( $_GET [ 'description' ]);
1652 $tags = empty ( $_GET [ 'tags' ]) ? '' : escape ( $_GET [ 'tags' ]);
1653 $private = ! empty ( $_GET [ 'private' ]) && $_GET [ 'private' ] === "1" ? 1 : 0 ;
1654 // 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.)
1655 if ( empty ( $title ) && strpos ( get_url_scheme ( $url ), 'http' ) !== false ) {
1656 // Short timeout to keep the application responsive
1657 list ( $headers , $content ) = get_http_response ( $url , 4 );
1658 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
1659 // Retrieve charset.
1660 $charset = get_charset ( $headers , $content );
1662 $title = html_extract_title ( $content );
1663 // Re-encode title in utf-8 if necessary.
1664 if (! empty ( $title ) && $charset != 'utf-8' ) {
1665 $title = mb_convert_encoding ( $title , $charset , 'utf-8' );
1671 $url = '?' . smallHash ( $linkdate );
1676 'linkdate' => $linkdate ,
1679 'description' => $description ,
1681 'private' => $private
1686 'linkcount' => count ( $LINKSDB ),
1688 'link_is_new' => $link_is_new ,
1689 'token' => getToken (), // XSRF protection.
1690 'http_referer' => ( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]) : '' ),
1691 'source' => ( isset ( $_GET [ 'source' ]) ? $_GET [ 'source' ] : '' ),
1692 'tags' => $LINKSDB- > allTags (),
1694 $pluginManager- > executeHooks ( 'render_editlink' , $data );
1696 foreach ( $data as $key => $value ) {
1697 $PAGE- > assign ( $key , $value );
1700 $PAGE- > renderPage ( 'editlink' );
1704 // -------- Export as Netscape Bookmarks HTML file.
1705 if ( $targetPage == Router
:: $PAGE_EXPORT )
1707 if ( empty ( $_GET [ 'what' ]))
1709 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1710 $PAGE- > renderPage ( 'export' );
1713 $exportWhat = $_GET [ 'what' ];
1714 if (! array_intersect ( array ( 'all' , 'public' , 'private' ), array ( $exportWhat ))) die ( 'What are you trying to export???' );
1716 header ( 'Content-Type: text/html; charset=utf-8' );
1717 header ( 'Content-disposition: attachment; filename=bookmarks_' . $exportWhat . '_' . strval ( date ( 'Ymd_His' )). '.html' );
1718 $currentdate = date ( 'Y/m/d H:i:s' );
1720 <!DOCTYPE NETSCAPE-Bookmark-file-1>
1721 <!-- This is an automatically generated file.
1722 It will be read and overwritten.
1724 <!-- Shaarli {$exportWhat} bookmarks export on {$currentdate} -->
1725 <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8">
1726 <TITLE>Bookmarks</TITLE>
1729 foreach ( $LINKSDB as $link )
1731 if ( $exportWhat == 'all' ||
1732 ( $exportWhat == 'private' && $link [ 'private' ]!= 0 ) ||
1733 ( $exportWhat == 'public' && $link [ 'private' ]== 0 ))
1735 echo '<DT><A HREF="' . $link [ 'url' ]. '" ADD_DATE="' . linkdate2timestamp ( $link [ 'linkdate' ]). '" PRIVATE="' . $link [ 'private' ]. '"' ;
1736 if ( $link [ 'tags' ]!= '' ) echo ' TAGS="' . str_replace ( ' ' , ',' , $link [ 'tags' ]). '"' ;
1737 echo '>' . $link [ 'title' ]. "</A> \n " ;
1738 if ( $link [ 'description' ]!= '' ) echo '<DD>' . $link [ 'description' ]. " \n " ;
1744 // -------- User is uploading a file for import
1745 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=upload' ))
1747 // If file is too big, some form field may be missing.
1748 if (! isset ( $_POST [ 'token' ]) || (! isset ( $_FILES )) || ( isset ( $_FILES [ 'filetoupload' ][ 'size' ]) && $_FILES [ 'filetoupload' ][ 'size' ]== 0 ))
1750 $returnurl = ( empty ( $_SERVER [ 'HTTP_REFERER' ]) ? '?' : $_SERVER [ 'HTTP_REFERER' ] );
1751 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>' ;
1754 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' );
1759 // -------- Show upload/import dialog:
1760 if ( $targetPage == Router
:: $PAGE_IMPORT )
1762 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1763 $PAGE- > assign ( 'token' , getToken ());
1764 $PAGE- > assign ( 'maxfilesize' , getMaxFileSize ());
1765 $PAGE- > renderPage ( 'import' );
1769 // -------- Otherwise, simply display search form and links:
1770 showLinkList ( $PAGE , $LINKSDB );
1774 // -----------------------------------------------------------------------------------------------
1775 // Process the import file form.
1776 function importFile ()
1778 if (! isLoggedIn ()) { die ( 'Not allowed.' ); }
1779 $LINKSDB = new LinkDB (
1780 $GLOBALS [ 'config' ][ 'DATASTORE' ],
1782 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ],
1783 $GLOBALS [ 'redirector' ]
1785 $filename = $_FILES [ 'filetoupload' ][ 'name' ];
1786 $filesize = $_FILES [ 'filetoupload' ][ 'size' ];
1787 $data = file_get_contents ( $_FILES [ 'filetoupload' ][ 'tmp_name' ]);
1788 $private = ( empty ( $_POST [ 'private' ]) ? 0 : 1 ); // Should the links be imported as private?
1789 $overwrite = ! empty ( $_POST [ 'overwrite' ]) ; // Should the imported links overwrite existing ones?
1794 if ( startsWith ( $data , '<!DOCTYPE NETSCAPE-Bookmark-file-1>' )) $type = 'netscape' ; // Netscape bookmark file (aka Firefox).
1796 // Then import the bookmarks.
1797 if ( $type == 'netscape' )
1799 // This is a standard Netscape-style bookmark file.
1800 // This format is supported by all browsers (except IE, of course), also Delicious, Diigo and others.
1801 foreach ( explode ( '<DT>' , $data ) as $html ) // explode is very fast
1803 $link = array ( 'linkdate' => '' , 'title' => '' , 'url' => '' , 'description' => '' , 'tags' => '' , 'private' => 0 );
1804 $d = explode ( '<DD>' , $html );
1805 if ( startswith ( $d [ 0 ], '<A ' ))
1807 $link [ 'description' ] = ( isset ( $d [ 1 ]) ? html_entity_decode ( trim ( $d [ 1 ]), ENT_QUOTES
, 'UTF-8' ) : '' ); // Get description (optional)
1808 preg_match ( '!<A .*?>(.*?)</A>!i' , $d [ 0 ], $matches ); $link [ 'title' ] = ( isset ( $matches [ 1 ]) ? trim ( $matches [ 1 ]) : '' ); // Get title
1809 $link [ 'title' ] = html_entity_decode ( $link [ 'title' ], ENT_QUOTES
, 'UTF-8' );
1810 preg_match_all ( '! ([A-Z_]+)= \" (.*?)"!i' , $html , $matches , PREG_SET_ORDER
); // Get all other attributes
1812 foreach ( $matches as $m )
1814 $attr = $m [ 1 ]; $value = $m [ 2 ];
1815 if ( $attr == 'HREF' ) $link [ 'url' ]= html_entity_decode ( $value , ENT_QUOTES
, 'UTF-8' );
1816 elseif ( $attr == 'ADD_DATE' )
1818 $raw_add_date = intval ( $value );
1819 if ( $raw_add_date > 30000000000 ) $raw_add_date /= 1000 ; //If larger than year 2920, then was likely stored in milliseconds instead of seconds
1821 elseif ( $attr == 'PRIVATE' ) $link [ 'private' ]=( $value == '0' ? 0 : 1 );
1822 elseif ( $attr == 'TAGS' ) $link [ 'tags' ]= html_entity_decode ( str_replace ( ',' , ' ' , $value ), ENT_QUOTES
, 'UTF-8' );
1824 if ( $link [ 'url' ]!= '' )
1826 if ( $private == 1 ) $link [ 'private' ]= 1 ;
1827 $dblink = $LINKSDB- > getLinkFromUrl ( $link [ 'url' ]); // See if the link is already in database.
1829 { // Link not in database, let's import it...
1830 if ( empty ( $raw_add_date )) $raw_add_date = time (); // In case of shitty bookmark file with no ADD_DATE
1832 // Make sure date/time is not already used by another link.
1833 // (Some bookmark files have several different links with the same ADD_DATE)
1834 // We increment date by 1 second until we find a date which is not used in DB.
1835 // (so that links that have the same date/time are more or less kept grouped by date, but do not conflict.)
1836 while (! empty ( $LINKSDB [ date ( 'Ymd_His' , $raw_add_date )])) { $raw_add_date++
; } // Yes, I know it's ugly.
1837 $link [ 'linkdate' ]= date ( 'Ymd_His' , $raw_add_date );
1838 $LINKSDB [ $link [ 'linkdate' ]] = $link ;
1841 else // Link already present in database.
1844 { // If overwrite is required, we import link data, except date/time.
1845 $link [ 'linkdate' ]= $dblink [ 'linkdate' ];
1846 $LINKSDB [ $link [ 'linkdate' ]] = $link ;
1854 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]);
1856 echo '<script>alert("File ' . json_encode ( $filename ). ' (' . $filesize . ' bytes) was successfully processed: ' . $import_count . ' links imported.");document.location= \' ? \' ;</script>' ;
1860 echo '<script>alert("File ' . json_encode ( $filename ). ' (' . $filesize . ' bytes) has an unknown file format. Nothing was imported.");document.location= \' ? \' ;</script>' ;
1864 // -----------------------------------------------------------------------------------------------
1865 // Template for the list of links (<div id="linklist">)
1866 // This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
1867 function buildLinkList ( $PAGE , $LINKSDB )
1869 // ---- Filter link database according to parameters
1872 $privateonly = ! empty ( $_SESSION [ 'privateonly' ]) ? true : false ;
1875 if ( isset ( $_GET [ 'searchterm' ])) {
1876 $search_crits = escape ( trim ( $_GET [ 'searchterm' ]));
1877 $search_type = LinkFilter
:: $FILTER_TEXT ;
1878 $linksToDisplay = $LINKSDB- > filter ( $search_type , $search_crits , false , $privateonly );
1881 elseif ( isset ( $_GET [ 'searchtags' ])) {
1882 $search_crits = explode ( ' ' , escape ( trim ( $_GET [ 'searchtags' ])));
1883 $search_type = LinkFilter
:: $FILTER_TAG ;
1884 $linksToDisplay = $LINKSDB- > filter ( $search_type , $search_crits , false , $privateonly );
1886 // Detect smallHashes in URL.
1887 elseif ( isset ( $_SERVER [ 'QUERY_STRING' ])
1888 && preg_match ( '/[a-zA-Z0-9-_@] {6} (&.+?)?/' , $_SERVER [ 'QUERY_STRING' ])) {
1889 $search_type = LinkFilter
:: $FILTER_HASH ;
1890 $search_crits = substr ( trim ( $_SERVER [ "QUERY_STRING" ], '/' ), 0 , 6 );
1891 $linksToDisplay = $LINKSDB- > filter ( $search_type , $search_crits );
1893 if ( count ( $linksToDisplay ) == 0 ) {
1894 header ( $_SERVER [ 'SERVER_PROTOCOL' ] . ' 404 Not Found' );
1895 echo '<h1>404 Not found.</h1>Oh crap.
1896 The link you are trying to reach does not exist or has been deleted.' ;
1897 echo '<br>Would you mind <a href="?">clicking here</a>?' ;
1901 // Otherwise, display without filtering.
1903 $linksToDisplay = $LINKSDB- > filter ( '' , '' , false , $privateonly );
1906 // ---- Handle paging.
1908 foreach ( $linksToDisplay as $key => $value ) {
1912 // If there is only a single link, we change on-the-fly the title of the page.
1913 if ( count ( $linksToDisplay ) == 1 ) {
1914 $GLOBALS [ 'pagetitle' ] = $linksToDisplay [ $keys [ 0 ]][ 'title' ]. ' - ' . $GLOBALS [ 'title' ];
1917 // Select articles according to paging.
1918 $pagecount = ceil ( count ( $keys ) / $_SESSION [ 'LINKS_PER_PAGE' ]);
1919 $pagecount = $pagecount == 0 ? 1 : $pagecount ;
1920 $page = empty ( $_GET [ 'page' ]) ? 1 : intval ( $_GET [ 'page' ]);
1921 $page = $page < 1 ? 1 : $page ;
1922 $page = $page > $pagecount ? $pagecount : $page ;
1924 $i = ( $page-1 ) * $_SESSION [ 'LINKS_PER_PAGE' ];
1925 $end = $i +
$_SESSION [ 'LINKS_PER_PAGE' ];
1926 $linkDisp = array ();
1927 while ( $i < $end && $i < count ( $keys ))
1929 $link = $linksToDisplay [ $keys [ $i ]];
1930 $link [ 'description' ] = format_description ( $link [ 'description' ], $GLOBALS [ 'redirector' ]);
1931 $classLi = ( $i %
2 ) != 0 ? '' : 'publicLinkHightLight' ;
1932 $link [ 'class' ] = $link [ 'private' ] == 0 ? $classLi : 'private' ;
1933 $link [ 'timestamp' ] = linkdate2timestamp ( $link [ 'linkdate' ]);
1934 $taglist = explode ( ' ' , $link [ 'tags' ]);
1935 uasort ( $taglist , 'strcasecmp' );
1936 $link [ 'taglist' ] = $taglist ;
1937 $link [ 'shorturl' ] = smallHash ( $link [ 'linkdate' ]);
1938 // Check for both signs of a note: starting with ? and 7 chars long.
1939 if ( $link [ 'url' ][ 0 ] === '?' &&
1940 strlen ( $link [ 'url' ]) === 7 ) {
1941 $link [ 'url' ] = index_url ( $_SERVER ) . $link [ 'url' ];
1944 $linkDisp [ $keys [ $i ]] = $link ;
1948 // Compute paging navigation
1949 $searchterm = empty ( $_GET [ 'searchterm' ]) ? '' : '&searchterm=' . $_GET [ 'searchterm' ];
1950 $searchtags = empty ( $_GET [ 'searchtags' ]) ? '' : '&searchtags=' . $_GET [ 'searchtags' ];
1951 $previous_page_url = '' ;
1952 if ( $i != count ( $keys )) {
1953 $previous_page_url = '?page=' . ( $page +
1 ) . $searchterm . $searchtags ;
1957 $next_page_url = '?page=' . ( $page-1 ) . $searchterm . $searchtags ;
1962 $token = getToken ();
1965 // Fill all template fields.
1967 'linkcount' => count ( $LINKSDB ),
1968 'previous_page_url' => $previous_page_url ,
1969 'next_page_url' => $next_page_url ,
1970 'page_current' => $page ,
1971 'page_max' => $pagecount ,
1972 'result_count' => count ( $linksToDisplay ),
1973 'search_type' => $search_type ,
1974 'search_crits' => $search_crits ,
1975 'redirector' => empty ( $GLOBALS [ 'redirector' ]) ? '' : $GLOBALS [ 'redirector' ], // Optional redirector URL.
1977 'links' => $linkDisp ,
1978 'tags' => $LINKSDB- > allTags (),
1980 // FIXME! temporary fix - see #399.
1981 if (! empty ( $GLOBALS [ 'pagetitle' ]) && count ( $linkDisp ) == 1 ) {
1982 $data [ 'pagetitle' ] = $GLOBALS [ 'pagetitle' ];
1985 $pluginManager = PluginManager
:: getInstance ();
1986 $pluginManager- > executeHooks ( 'render_linklist' , $data , array ( 'loggedin' => isLoggedIn ()));
1988 foreach ( $data as $key => $value ) {
1989 $PAGE- > assign ( $key , $value );
1995 // Compute the thumbnail for a link.
1997 // With a link to the original URL.
1998 // Understands various services (youtube.com...)
1999 // Input: $url = URL for which the thumbnail must be found.
2000 // $href = if provided, this URL will be followed instead of $url
2001 // Returns an associative array with thumbnail attributes (src,href,width,height,style,alt)
2002 // Some of them may be missing.
2003 // Return an empty array if no thumbnail available.
2004 function computeThumbnail ( $url , $href = false )
2006 if (! $GLOBALS [ 'config' ][ 'ENABLE_THUMBNAILS' ]) return array ();
2007 if ( $href == false ) $href = $url ;
2009 // For most hosts, the URL of the thumbnail can be easily deduced from the URL of the link.
2010 // (e.g. http://www.youtube.com/watch?v=spVypYk4kto ---> http://img.youtube.com/vi/spVypYk4kto/default.jpg )
2011 // ^^^^^^^^^^^ ^^^^^^^^^^^
2012 $domain = parse_url ( $url , PHP_URL_HOST
);
2013 if ( $domain == 'youtube.com' || $domain == 'www.youtube.com' )
2015 parse_str ( parse_url ( $url , PHP_URL_QUERY
), $params ); // Extract video ID and get thumbnail
2016 if (! empty ( $params [ 'v' ])) return array ( 'src' => 'https://img.youtube.com/vi/' . $params [ 'v' ]. '/default.jpg' ,
2017 'href' => $href , 'width' => '120' , 'height' => '90' , 'alt' => 'YouTube thumbnail' );
2019 if ( $domain == 'youtu.be' ) // Youtube short links
2021 $path = parse_url ( $url , PHP_URL_PATH
);
2022 return array ( 'src' => 'https://img.youtube.com/vi' . $path . '/default.jpg' ,
2023 'href' => $href , 'width' => '120' , 'height' => '90' , 'alt' => 'YouTube thumbnail' );
2025 if ( $domain == 'pix.toile-libre.org' ) // pix.toile-libre.org image hosting
2027 parse_str ( parse_url ( $url , PHP_URL_QUERY
), $params ); // Extract image filename.
2028 if (! empty ( $params ) && ! empty ( $params [ 'img' ])) return array ( 'src' => 'http://pix.toile-libre.org/upload/thumb/' . urlencode ( $params [ 'img' ]),
2029 'href' => $href , 'style' => 'max-width:120px; max-height:150px' , 'alt' => 'pix.toile-libre.org thumbnail' );
2032 if ( $domain == 'imgur.com' )
2034 $path = parse_url ( $url , PHP_URL_PATH
);
2035 if ( startsWith ( $path , '/a/' )) return array (); // Thumbnails for albums are not available.
2036 if ( startsWith ( $path , '/r/' )) return array ( 'src' => 'https://i.imgur.com/' . basename ( $path ). 's.jpg' ,
2037 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
2038 if ( startsWith ( $path , '/gallery/' )) return array ( 'src' => 'https://i.imgur.com' . substr ( $path , 8 ). 's.jpg' ,
2039 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
2041 if ( substr_count ( $path , '/' )== 1 ) return array ( 'src' => 'https://i.imgur.com/' . substr ( $path , 1 ). 's.jpg' ,
2042 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
2044 if ( $domain == 'i.imgur.com' )
2046 $pi = pathinfo ( parse_url ( $url , PHP_URL_PATH
));
2047 if (! empty ( $pi [ 'filename' ])) return array ( 'src' => 'https://i.imgur.com/' . $pi [ 'filename' ]. 's.jpg' ,
2048 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
2050 if ( $domain == 'dailymotion.com' || $domain == 'www.dailymotion.com' )
2052 if ( strpos ( $url , 'dailymotion.com/video/' )!== false )
2054 $thumburl = str_replace ( 'dailymotion.com/video/' , 'dailymotion.com/thumbnail/video/' , $url );
2055 return array ( 'src' => $thumburl ,
2056 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'DailyMotion thumbnail' );
2059 if ( endsWith ( $domain , '.imageshack.us' ))
2061 $ext = strtolower ( pathinfo ( $url , PATHINFO_EXTENSION
));
2062 if ( $ext == 'jpg' || $ext == 'jpeg' || $ext == 'png' || $ext == 'gif' )
2064 $thumburl = substr ( $url , 0 , strlen ( $url )- strlen ( $ext )). 'th.' . $ext ;
2065 return array ( 'src' => $thumburl ,
2066 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'imageshack.us thumbnail' );
2070 // Some other hosts are SLOW AS HELL and usually require an extra HTTP request to get the thumbnail URL.
2071 // So we deport the thumbnail generation in order not to slow down page generation
2072 // (and we also cache the thumbnail)
2074 if (! $GLOBALS [ 'config' ][ 'ENABLE_LOCALCACHE' ]) return array (); // If local cache is disabled, no thumbnails for services which require the use a local cache.
2076 if ( $domain == 'flickr.com' || endsWith ( $domain , '.flickr.com' )
2077 || $domain == 'vimeo.com'
2078 || $domain == 'ted.com' || endsWith ( $domain , '.ted.com' )
2079 || $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' )
2082 if ( $domain == 'vimeo.com' )
2083 { // Make sure this vimeo URL points to a video (/xxx... where xxx is numeric)
2084 $path = parse_url ( $url , PHP_URL_PATH
);
2085 if (! preg_match ( '!/\d+.+?!' , $path )) return array (); // This is not a single video URL.
2087 if ( $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' ))
2088 { // Make sure this URL points to a single comic (/xxx... where xxx is numeric)
2089 $path = parse_url ( $url , PHP_URL_PATH
);
2090 if (! preg_match ( '!/\d+.+?!' , $path )) return array ();
2092 if ( $domain == 'ted.com' || endsWith ( $domain , '.ted.com' ))
2093 { // Make sure this TED URL points to a video (/talks/...)
2094 $path = parse_url ( $url , PHP_URL_PATH
);
2095 if ( "/talks/" !== substr ( $path , 0 , 7 )) return array (); // This is not a single video URL.
2097 $sign = hash_hmac ( 'sha256' , $url , $GLOBALS [ 'salt' ]); // We use the salt to sign data (it's random, secret, and specific to each installation)
2098 return array ( 'src' => index_url ( $_SERVER ). '?do=genthumbnail&hmac=' . $sign . '&url=' . urlencode ( $url ),
2099 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'thumbnail' );
2102 // For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif
2103 // Technically speaking, we should download ALL links and check their Content-Type to see if they are images.
2104 // But using the extension will do.
2105 $ext = strtolower ( pathinfo ( $url , PATHINFO_EXTENSION
));
2106 if ( $ext == 'jpg' || $ext == 'jpeg' || $ext == 'png' || $ext == 'gif' )
2108 $sign = hash_hmac ( 'sha256' , $url , $GLOBALS [ 'salt' ]); // We use the salt to sign data (it's random, secret, and specific to each installation)
2109 return array ( 'src' => index_url ( $_SERVER ). '?do=genthumbnail&hmac=' . $sign . '&url=' . urlencode ( $url ),
2110 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'thumbnail' );
2112 return array (); // No thumbnail.
2117 // Returns the HTML code to display a thumbnail for a link
2118 // with a link to the original URL.
2119 // Understands various services (youtube.com...)
2120 // Input: $url = URL for which the thumbnail must be found.
2121 // $href = if provided, this URL will be followed instead of $url
2122 // Returns '' if no thumbnail available.
2123 function thumbnail ( $url , $href = false )
2125 $t = computeThumbnail ( $url , $href );
2126 if ( count ( $t )== 0 ) return '' ; // Empty array = no thumbnail for this URL.
2128 $html = '<a href="' . escape ( $t [ 'href' ]). '"><img src="' . escape ( $t [ 'src' ]). '"' ;
2129 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
2130 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
2131 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
2132 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
2137 // Returns the HTML code to display a thumbnail for a link
2138 // for the picture wall (using lazy image loading)
2139 // Understands various services (youtube.com...)
2140 // Input: $url = URL for which the thumbnail must be found.
2141 // $href = if provided, this URL will be followed instead of $url
2142 // Returns '' if no thumbnail available.
2143 function lazyThumbnail ( $url , $href = false )
2145 $t = computeThumbnail ( $url , $href );
2146 if ( count ( $t )== 0 ) return '' ; // Empty array = no thumbnail for this URL.
2148 $html = '<a href="' . escape ( $t [ 'href' ]). '">' ;
2151 $html .= '<img class="b-lazy" src="#" data-src="' . escape ( $t [ 'src' ]). '"' ;
2153 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
2154 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
2155 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
2156 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
2159 // No-JavaScript fallback.
2160 $html .= '<noscript><img src="' . escape ( $t [ 'src' ]). '"' ;
2161 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
2162 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
2163 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
2164 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
2165 $html .= '></noscript></a>' ;
2171 // -----------------------------------------------------------------------------------------------
2173 // This function should NEVER be called if the file data/config.php exists.
2176 // On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
2177 if ( endsWith ( $_SERVER [ 'HTTP_HOST' ], '.free.fr' ) && ! is_dir ( $_SERVER [ 'DOCUMENT_ROOT' ]. '/sessions' )) mkdir ( $_SERVER [ 'DOCUMENT_ROOT' ]. '/sessions' , 0705 );
2180 // This part makes sure sessions works correctly.
2181 // (Because on some hosts, session.save_path may not be set correctly,
2182 // or we may not have write access to it.)
2183 if ( isset ( $_GET [ 'test_session' ]) && ( ! isset ( $_SESSION ) || ! isset ( $_SESSION [ 'session_tested' ]) || $_SESSION [ 'session_tested' ]!= 'Working' ))
2184 { // Step 2: Check if data in session is correct.
2185 echo '<pre>Sessions do not seem to work correctly on your server.<br>' ;
2186 echo 'Make sure the variable session.save_path is set correctly in your php config, and that you have write access to it.<br>' ;
2187 echo 'It currently points to ' . session_save_path (). '<br>' ;
2188 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>' ;
2189 echo '<br><a href="?">Click to try again.</a></pre>' ;
2192 if (! isset ( $_SESSION [ 'session_tested' ]))
2193 { // Step 1 : Try to store data in session and reload page.
2194 $_SESSION [ 'session_tested' ] = 'Working' ; // Try to set a variable in session.
2195 header ( 'Location: ' . index_url ( $_SERVER ). '?test_session' ); // Redirect to check stored data.
2197 if ( isset ( $_GET [ 'test_session' ]))
2198 { // Step 3: Sessions are OK. Remove test parameter from URL.
2199 header ( 'Location: ' . index_url ( $_SERVER ));
2203 if (! empty ( $_POST [ 'setlogin' ]) && ! empty ( $_POST [ 'setpassword' ]))
2206 if (! empty ( $_POST [ 'continent' ]) && ! empty ( $_POST [ 'city' ])) {
2207 if ( isTimeZoneValid ( $_POST [ 'continent' ], $_POST [ 'city' ])) {
2208 $tz = $_POST [ 'continent' ]. '/' . $_POST [ 'city' ];
2211 $GLOBALS [ 'timezone' ] = $tz ;
2212 // Everything is ok, let's create config file.
2213 $GLOBALS [ 'login' ] = $_POST [ 'setlogin' ];
2214 $GLOBALS [ 'salt' ] = sha1 ( uniqid ( '' , true ). '_' . mt_rand ()); // Salt renders rainbow-tables attacks useless.
2215 $GLOBALS [ 'hash' ] = sha1 ( $_POST [ 'setpassword' ]. $GLOBALS [ 'login' ]. $GLOBALS [ 'salt' ]);
2216 $GLOBALS [ 'title' ] = ( empty ( $_POST [ 'title' ]) ? 'Shared links on ' . escape ( index_url ( $_SERVER )) : $_POST [ 'title' ] );
2217 $GLOBALS [ 'config' ][ 'ENABLE_UPDATECHECK' ] = ! empty ( $_POST [ 'updateCheck' ]);
2219 writeConfig ( $GLOBALS , isLoggedIn ());
2221 catch ( Exception
$e ) {
2223 'ERROR while writing config file after installation.' . PHP_EOL
.
2227 // TODO: do not handle exceptions/errors in JS.
2228 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ? \' ;</script>' ;
2231 echo '<script>alert("Shaarli is now configured. Please enter your login/password and start shaaring your links!");document.location= \' ?do=login \' ;</script>' ;
2235 // Display config form:
2236 list ( $timezone_form , $timezone_js ) = generateTimeZoneForm ();
2237 $timezone_html = '' ;
2238 if ( $timezone_form != '' ) {
2239 $timezone_html = '<tr><td><b>Timezone:</b></td><td>' . $timezone_form . '</td></tr>' ;
2242 $PAGE = new pageBuilder
;
2243 $PAGE- > assign ( 'timezone_html' , $timezone_html );
2244 $PAGE- > assign ( 'timezone_js' , $timezone_js );
2245 $PAGE- > renderPage ( 'install' );
2249 /* Because some f*cking services like flickr require an extra HTTP request to get the thumbnail URL,
2250 I have deported the thumbnail URL code generation here, otherwise this would slow down page generation.
2251 The following function takes the URL a link (e.g. a flickr page) and return the proper thumbnail.
2252 This function is called by passing the URL:
2253 http://mywebsite.com/shaarli/?do=genthumbnail&hmac=[HMAC]&url=[URL]
2254 [URL] is the URL of the link (e.g. a flickr page)
2255 [HMAC] is the signature for the [URL] (so that these URL cannot be forged).
2256 The function below will fetch the image from the webservice and store it in the cache.
2258 function genThumbnail ()
2260 // Make sure the parameters in the URL were generated by us.
2261 $sign = hash_hmac ( 'sha256' , $_GET [ 'url' ], $GLOBALS [ 'salt' ]);
2262 if ( $sign != $_GET [ 'hmac' ]) die ( 'Naughty boy!' );
2264 // Let's see if we don't already have the image for this URL in the cache.
2265 $thumbname = hash ( 'sha1' , $_GET [ 'url' ]). '.jpg' ;
2266 if ( is_file ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname ))
2267 { // We have the thumbnail, just serve it:
2268 header ( 'Content-Type: image/jpeg' );
2269 echo file_get_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname );
2272 // We may also serve a blank image (if service did not respond)
2273 $blankname = hash ( 'sha1' , $_GET [ 'url' ]). '.gif' ;
2274 if ( is_file ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $blankname ))
2276 header ( 'Content-Type: image/gif' );
2277 echo file_get_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $blankname );
2281 // Otherwise, generate the thumbnail.
2282 $url = $_GET [ 'url' ];
2283 $domain = parse_url ( $url , PHP_URL_HOST
);
2285 if ( $domain == 'flickr.com' || endsWith ( $domain , '.flickr.com' ))
2287 // Crude replacement to handle new flickr domain policy (They prefer www. now)
2288 $url = str_replace ( 'http://flickr.com/' , 'http://www.flickr.com/' , $url );
2290 // Is this a link to an image, or to a flickr page ?
2292 if ( endswith ( parse_url ( $url , PHP_URL_PATH
), '.jpg' ))
2293 { // This is a direct link to an image. e.g. http://farm1.staticflickr.com/5/5921913_ac83ed27bd_o.jpg
2294 preg_match ( '!(http://farm\d+\.staticflickr\.com/\d+/\d+_\w+_)\w.jpg!' , $url , $matches );
2295 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ]. 'm.jpg' ;
2297 else // This is a flickr page (html)
2299 // Get the flickr html page.
2300 list ( $headers , $content ) = get_http_response ( $url , 20 );
2301 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false )
2303 // flickr now nicely provides the URL of the thumbnail in each flickr page.
2304 preg_match ( '!<link rel= \" image_src \" href= \" (.+?) \" !' , $content , $matches );
2305 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ];
2307 // In albums (and some other pages), the link rel="image_src" is not provided,
2308 // but flickr provides:
2309 // <meta property="og:image" content="http://farm4.staticflickr.com/3398/3239339068_25d13535ff_z.jpg" />
2312 preg_match ( '!<meta property= \" og:image \" content= \" (.+?) \" !' , $content , $matches );
2313 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ];
2319 { // Let's download the image.
2320 // Image is 240x120, so 10 seconds to download should be enough.
2321 list ( $headers , $content ) = get_http_response ( $imageurl , 10 );
2322 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2323 // Save image to cache.
2324 file_put_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname , $content );
2325 header ( 'Content-Type: image/jpeg' );
2332 elseif ( $domain == 'vimeo.com' )
2334 // This is more complex: we have to perform a HTTP request, then parse the result.
2335 // Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098
2336 $vid = substr ( parse_url ( $url , PHP_URL_PATH
), 1 );
2337 list ( $headers , $content ) = get_http_response ( 'https://vimeo.com/api/v2/video/' . escape ( $vid ). '.php' , 5 );
2338 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2339 $t = unserialize ( $content );
2340 $imageurl = $t [ 0 ][ 'thumbnail_medium' ];
2341 // Then we download the image and serve it to our client.
2342 list ( $headers , $content ) = get_http_response ( $imageurl , 10 );
2343 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2344 // Save image to cache.
2345 file_put_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ] . '/' . $thumbname , $content );
2346 header ( 'Content-Type: image/jpeg' );
2353 elseif ( $domain == 'ted.com' || endsWith ( $domain , '.ted.com' ))
2355 // The thumbnail for TED talks is located in the <link rel="image_src" [...]> tag on that page
2356 // http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html
2357 // <link rel="image_src" href="http://images.ted.com/images/ted/28bced335898ba54d4441809c5b1112ffaf36781_389x292.jpg" />
2358 list ( $headers , $content ) = get_http_response ( $url , 5 );
2359 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2360 // Extract the link to the thumbnail
2361 preg_match ( '!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!' , $content , $matches );
2362 if (! empty ( $matches [ 1 ]))
2363 { // Let's download the image.
2364 $imageurl = $matches [ 1 ];
2365 // No control on image size, so wait long enough
2366 list ( $headers , $content ) = get_http_response ( $imageurl , 20 );
2367 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2368 $filepath = $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname ;
2369 file_put_contents ( $filepath , $content ); // Save image to cache.
2370 if ( resizeImage ( $filepath ))
2372 header ( 'Content-Type: image/jpeg' );
2373 echo file_get_contents ( $filepath );
2381 elseif ( $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' ))
2383 // There is no thumbnail available for xkcd comics, so download the whole image and resize it.
2384 // http://xkcd.com/327/
2385 // <img src="http://imgs.xkcd.com/comics/exploits_of_a_mom.png" title="<BLABLA>" alt="<BLABLA>" />
2386 list ( $headers , $content ) = get_http_response ( $url , 5 );
2387 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2388 // Extract the link to the thumbnail
2389 preg_match ( '!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!' , $content , $matches );
2390 if (! empty ( $matches [ 1 ]))
2391 { // Let's download the image.
2392 $imageurl = $matches [ 1 ];
2393 // No control on image size, so wait long enough
2394 list ( $headers , $content ) = get_http_response ( $imageurl , 20 );
2395 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2396 $filepath = $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname ;
2397 // Save image to cache.
2398 file_put_contents ( $filepath , $content );
2399 if ( resizeImage ( $filepath ))
2401 header ( 'Content-Type: image/jpeg' );
2402 echo file_get_contents ( $filepath );
2412 // For all other domains, we try to download the image and make a thumbnail.
2413 // We allow 30 seconds max to download (and downloads are limited to 4 Mb)
2414 list ( $headers , $content ) = get_http_response ( $url , 30 );
2415 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2416 $filepath = $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname ;
2417 // Save image to cache.
2418 file_put_contents ( $filepath , $content );
2419 if ( resizeImage ( $filepath ))
2421 header ( 'Content-Type: image/jpeg' );
2422 echo file_get_contents ( $filepath );
2429 // Otherwise, return an empty image (8x8 transparent gif)
2430 $blankgif = base64_decode ( 'R0lGODlhCAAIAIAAAP///////yH5BAEKAAEALAAAAAAIAAgAAAIHjI+py+1dAAA7' );
2431 file_put_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $blankname , $blankgif ); // Also put something in cache so that this URL is not requested twice.
2432 header ( 'Content-Type: image/gif' );
2436 // Make a thumbnail of the image (to width: 120 pixels)
2437 // Returns true if success, false otherwise.
2438 function resizeImage ( $filepath )
2440 if (! function_exists ( 'imagecreatefromjpeg' )) return false ; // GD not present: no thumbnail possible.
2442 // Trick: some stupid people rename GIF as JPEG... or else.
2443 // So we really try to open each image type whatever the extension is.
2444 $header = file_get_contents ( $filepath , false , NULL , 0 , 256 ); // Read first 256 bytes and try to sniff file type.
2446 $i = strpos ( $header , 'GIF8' ); if (( $i !== false ) && ( $i == 0 )) $im = imagecreatefromgif ( $filepath ); // Well this is crude, but it should be enough.
2447 $i = strpos ( $header , 'PNG' ); if (( $i !== false ) && ( $i == 1 )) $im = imagecreatefrompng ( $filepath );
2448 $i = strpos ( $header , 'JFIF' ); if ( $i !== false ) $im = imagecreatefromjpeg ( $filepath );
2449 if (! $im ) return false ; // Unable to open image (corrupted or not an image)
2452 $ystart = 0 ; $yheight = $h ;
2453 if ( $h > $w ) { $ystart
= ( $h
/ 2 )-( $w
/ 2 ); $yheight
= $w
/ 2 ; }
2454 $nw = 120 ; // Desired width
2455 $nh = min ( floor (( $h * $nw )/ $w ), 120 ); // Compute new width/height, but maximum 120 pixels height.
2457 $im2 = imagecreatetruecolor ( $nw , $nh );
2458 imagecopyresampled ( $im2 , $im , 0 , 0 , 0 , $ystart , $nw , $nh , $w , $yheight );
2459 imageinterlace ( $im2 , true ); // For progressive JPEG.
2460 $tempname = $filepath . '_TEMP.jpg' ;
2461 imagejpeg ( $im2 , $tempname , 90 );
2465 rename ( $tempname , $filepath ); // Overwrite original picture with thumbnail.
2470 mergeDeprecatedConfig ( $GLOBALS , isLoggedIn ());
2471 } catch ( Exception
$e ) {
2473 'ERROR while merging deprecated options.php file.' . PHP_EOL
.
2478 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=genthumbnail' )) { genThumbnail (); exit ; } // Thumbnail generation/cache does not need the link database.
2479 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=rss' )) { showRSS (); exit ; }
2480 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=atom' )) { showATOM (); exit ; }
2481 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=dailyrss' )) { showDailyRSS (); exit ; }
2482 if (! isset ( $_SESSION [ 'LINKS_PER_PAGE' ])) $_SESSION [ 'LINKS_PER_PAGE' ]= $GLOBALS [ 'config' ][ 'LINKS_PER_PAGE' ];