]>
git.immae.eu Git - github/shaarli/Shaarli.git/blob - index.php
3 * Shaarli v0.7.0 - Shaare your links...
5 * The personal, minimalist, super-fast, database free, bookmarking service.
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' );
28 define ( 'shaarli_version' , '0.7.0' );
30 // http://server.com/x/shaarli --> /shaarli/
31 define ( 'WEB_PATH' , substr ( $_SERVER [ 'REQUEST_URI' ], 0 , 1 +
strrpos ( $_SERVER [ 'REQUEST_URI' ], '/' , 0 )));
33 // High execution time in case of problematic imports/exports.
34 ini_set ( 'max_input_time' , '60' );
36 // Try to set max upload file size and read
37 ini_set ( 'memory_limit' , '128M' );
38 ini_set ( 'post_max_size' , '16M' );
39 ini_set ( 'upload_max_filesize' , '16M' );
41 // See all error except warnings
42 error_reporting ( E_ALL^E_WARNING
);
43 // See all errors (for debugging only)
44 //error_reporting(-1);
47 // 3rd-party libraries
48 if (! file_exists ( __DIR__
. '/vendor/autoload.php' )) {
49 header ( 'Content-Type: text/plain; charset=utf-8' );
50 echo "Error: missing Composer configuration \n\n "
51 . "If you installed Shaarli through Git or using the development branch, \n "
52 . "please refer to the installation documentation to install PHP"
53 . " dependencies using Composer: \n "
54 . "- https://github.com/shaarli/Shaarli/wiki/Server-requirements \n "
55 . "- https://github.com/shaarli/Shaarli/wiki/Download-and-Installation" ;
58 require_once 'inc/rain.tpl.class.php' ;
59 require_once __DIR__
. '/vendor/autoload.php' ;
62 require_once 'application/ApplicationUtils.php' ;
63 require_once 'application/Cache.php' ;
64 require_once 'application/CachedPage.php' ;
65 require_once 'application/config/ConfigManager.php' ;
66 require_once 'application/config/ConfigPlugin.php' ;
67 require_once 'application/FeedBuilder.php' ;
68 require_once 'application/FileUtils.php' ;
69 require_once 'application/HttpUtils.php' ;
70 require_once 'application/Languages.php' ;
71 require_once 'application/LinkDB.php' ;
72 require_once 'application/LinkFilter.php' ;
73 require_once 'application/LinkUtils.php' ;
74 require_once 'application/NetscapeBookmarkUtils.php' ;
75 require_once 'application/PageBuilder.php' ;
76 require_once 'application/TimeZone.php' ;
77 require_once 'application/Url.php' ;
78 require_once 'application/Utils.php' ;
79 require_once 'application/PluginManager.php' ;
80 require_once 'application/Router.php' ;
81 require_once 'application/Updater.php' ;
83 // Ensure the PHP version is supported
85 ApplicationUtils
:: checkPHPVersion ( '5.3' , PHP_VERSION
);
86 } catch ( Exception
$exc ) {
87 header ( 'Content-Type: text/plain; charset=utf-8' );
88 echo $exc- > getMessage ();
92 // Force cookie path (but do not change lifetime)
93 $cookie = session_get_cookie_params ();
95 if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ]) != '/' ) {
96 $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
98 // Set default cookie expiration and path.
99 session_set_cookie_params ( $cookie [ 'lifetime' ], $cookiedir , $_SERVER [ 'SERVER_NAME' ]);
100 // Set session parameters on server side.
101 // If the user does not access any page within this time, his/her session is considered expired.
102 define ( 'INACTIVITY_TIMEOUT' , 3600 ); // in seconds.
103 // Use cookies to store session.
104 ini_set ( 'session.use_cookies' , 1 );
105 // Force cookies for session (phpsessionID forbidden in URL).
106 ini_set ( 'session.use_only_cookies' , 1 );
107 // Prevent PHP form using sessionID in URL if cookies are disabled.
108 ini_set ( 'session.use_trans_sid' , false );
110 session_name ( 'shaarli' );
111 // Start session if needed (Some server auto-start sessions).
112 if ( session_id () == '' ) {
116 // Regenerate session ID if invalid or not defined in cookie.
117 if ( isset ( $_COOKIE [ 'shaarli' ]) && ! is_session_id_valid ( $_COOKIE [ 'shaarli' ])) {
118 session_regenerate_id ( true );
119 $_COOKIE [ 'shaarli' ] = session_id ();
122 $conf = new ConfigManager ();
123 $conf- > setEmpty ( 'general.timezone' , date_default_timezone_get ());
124 $conf- > setEmpty ( 'general.title' , 'Shared links on ' . escape ( index_url ( $_SERVER )));
125 RainTPL
:: $tpl_dir = $conf- > get ( 'resource.raintpl_tpl' ); // template directory
126 RainTPL
:: $cache_dir = $conf- > get ( 'resource.raintpl_tmp' ); // cache directory
128 $pluginManager = new PluginManager ( $conf );
129 $pluginManager- > load ( $conf- > get ( 'general.enabled_plugins' ));
131 date_default_timezone_set ( $conf- > get ( 'general.timezone' , 'UTC' ));
133 ob_start (); // Output buffering for the page cache.
135 // In case stupid admin has left magic_quotes enabled in php.ini:
136 if ( get_magic_quotes_gpc ())
138 function stripslashes_deep ( $value ) { $value
= is_array ( $value
) ? array_map ( 'stripslashes_deep' , $value
) : stripslashes ( $value
); return $value
; }
139 $_POST = array_map ( 'stripslashes_deep' , $_POST );
140 $_GET = array_map ( 'stripslashes_deep' , $_GET );
141 $_COOKIE = array_map ( 'stripslashes_deep' , $_COOKIE );
144 // Prevent caching on client side or proxy: (yes, it's ugly)
145 header ( "Last-Modified: " . gmdate ( "D, d M Y H:i:s" ) . " GMT" );
146 header ( "Cache-Control: no-store, no-cache, must-revalidate" );
147 header ( "Cache-Control: post-check=0, pre-check=0" , false );
148 header ( "Pragma: no-cache" );
150 if (! is_file ( $conf- > getConfigFileExt ())) {
151 // Ensure Shaarli has proper access to its resources
152 $errors = ApplicationUtils
:: checkResourcePermissions ( $conf );
154 if ( $errors != array ()) {
155 $message = '<p>Insufficient permissions:</p><ul>' ;
157 foreach ( $errors as $error ) {
158 $message .= '<li>' . $error . '</li>' ;
162 header ( 'Content-Type: text/html; charset=utf-8' );
167 // Display the installation form if no existing config is found
171 // a token depending of deployment salt, user password, and the current ip
172 define ( 'STAY_SIGNED_IN_TOKEN' , sha1 ( $conf- > get ( 'credentials.hash' ) . $_SERVER [ 'REMOTE_ADDR' ] . $conf- > get ( 'credentials.salt' )));
174 // Sniff browser language and set date format accordingly.
175 if ( isset ( $_SERVER [ 'HTTP_ACCEPT_LANGUAGE' ])) {
176 autoLocale ( $_SERVER [ 'HTTP_ACCEPT_LANGUAGE' ]);
178 header ( 'Content-Type: text/html; charset=utf-8' ); // We use UTF-8 for proper international characters handling.
181 * Checking session state (i.e. is the user still logged in)
183 * @param ConfigManager $conf The configuration manager.
185 * @return bool: true if the user is logged in, false otherwise.
187 function setup_login_state ( $conf )
189 if ( $conf- > get ( 'security.open_shaarli' )) {
192 $userIsLoggedIn = false ; // By default, we do not consider the user as logged in;
193 $loginFailure = false ; // If set to true, every attempt to authenticate the user will fail. This indicates that an important condition isn't met.
194 if (! $conf- > exists ( 'credentials.login' )) {
195 $userIsLoggedIn = false ; // Shaarli is not configured yet.
196 $loginFailure = true ;
198 if ( isset ( $_COOKIE [ 'shaarli_staySignedIn' ]) &&
199 $_COOKIE [ 'shaarli_staySignedIn' ]=== STAY_SIGNED_IN_TOKEN
&&
202 fillSessionInfo ( $conf );
203 $userIsLoggedIn = true ;
205 // If session does not exist on server side, or IP address has changed, or session has expired, logout.
206 if ( empty ( $_SESSION [ 'uid' ])
207 || ( $conf- > get ( 'security.session_protection_disabled' ) == false && $_SESSION [ 'ip' ] != allIPs ())
208 || time () >= $_SESSION [ 'expires_on' ])
211 $userIsLoggedIn = false ;
212 $loginFailure = true ;
214 if (! empty ( $_SESSION [ 'longlastingsession' ])) {
215 $_SESSION [ 'expires_on' ]= time () +
$_SESSION [ 'longlastingsession' ]; // In case of "Stay signed in" checked.
218 $_SESSION [ 'expires_on' ]= time () +INACTIVITY_TIMEOUT
; // Standard session expiration date.
220 if (! $loginFailure ) {
221 $userIsLoggedIn = true ;
224 return $userIsLoggedIn ;
226 $userIsLoggedIn = setup_login_state ( $conf );
229 * PubSubHubbub protocol support (if enabled) [UNTESTED]
230 * (Source: http://aldarone.fr/les-flux-rss-shaarli-et-pubsubhubbub/ )
232 * @param ConfigManager $conf Configuration Manager instance.
234 function pubsubhub ( $conf )
236 $pshUrl = $conf- > get ( 'config.PUBSUBHUB_URL' );
239 include_once './publisher.php' ;
240 $p = new Publisher ( $pshUrl );
242 index_url ( $_SERVER ). '?do=atom' ,
243 index_url ( $_SERVER ). '?do=rss'
245 $p- > publish_update ( $topic_url );
249 // ------------------------------------------------------------------------------------------
250 // Session management
252 // Returns the IP address of the client (Used to prevent session cookie hijacking.)
255 $ip = $_SERVER [ 'REMOTE_ADDR' ];
256 // Then we use more HTTP headers to prevent session hijacking from users behind the same proxy.
257 if ( isset ( $_SERVER [ 'HTTP_X_FORWARDED_FOR' ])) { $ip
= $ip
. '_' . $_SERVER
[ 'HTTP_X_FORWARDED_FOR' ]; }
258 if ( isset ( $_SERVER [ 'HTTP_CLIENT_IP' ])) { $ip
= $ip
. '_' . $_SERVER
[ 'HTTP_CLIENT_IP' ]; }
265 * @param ConfigManager $conf Configuration Manager instance.
267 function fillSessionInfo ( $conf )
269 $_SESSION [ 'uid' ] = sha1 ( uniqid ( '' , true ). '_' . mt_rand ()); // Generate unique random number (different than phpsessionid)
270 $_SESSION [ 'ip' ]= allIPs (); // We store IP address(es) of the client to make sure session is not hijacked.
271 $_SESSION [ 'username' ]= $conf- > get ( 'credentials.login' );
272 $_SESSION [ 'expires_on' ]= time () +INACTIVITY_TIMEOUT
; // Set session expiration.
276 * Check that user/password is correct.
278 * @param string $login Username
279 * @param string $password User password
280 * @param ConfigManager $conf Configuration Manager instance.
282 * @return bool: authentication successful or not.
284 function check_auth ( $login , $password , $conf )
286 $hash = sha1 ( $password . $login . $conf- > get ( 'credentials.salt' ));
287 if ( $login == $conf- > get ( 'credentials.login' ) && $hash == $conf- > get ( 'credentials.hash' ))
288 { // Login/password is correct.
289 fillSessionInfo ( $conf );
290 logm ( $conf- > get ( 'resource.log' ), $_SERVER [ 'REMOTE_ADDR' ], 'Login successful' );
293 logm ( $conf- > get ( 'resource.log' ), $_SERVER [ 'REMOTE_ADDR' ], 'Login failed for user ' . $login );
297 // Returns true if the user is logged in.
298 function isLoggedIn ()
300 global $userIsLoggedIn ;
301 return $userIsLoggedIn ;
306 if ( isset ( $_SESSION )) {
307 unset ( $_SESSION [ 'uid' ]);
308 unset ( $_SESSION [ 'ip' ]);
309 unset ( $_SESSION [ 'username' ]);
310 unset ( $_SESSION [ 'privateonly' ]);
312 setcookie ( 'shaarli_staySignedIn' , FALSE , 0 , WEB_PATH
);
316 // ------------------------------------------------------------------------------------------
317 // Brute force protection system
318 // Several consecutive failed logins will ban the IP address for 30 minutes.
319 if (! is_file ( $conf- > get ( 'resource.ban_file' , 'data/ipbans.php' ))) {
322 $conf- > get ( 'resource.ban_file' , 'data/ipbans.php' ),
323 "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( array ( 'FAILURES' => array (), 'BANS' => array ()), true ). "; \n ?>"
326 include $conf- > get ( 'resource.ban_file' , 'data/ipbans.php' );
328 * Signal a failed login. Will ban the IP if too many failures:
330 * @param ConfigManager $conf Configuration Manager instance.
332 function ban_loginFailed ( $conf )
334 $ip = $_SERVER [ 'REMOTE_ADDR' ];
335 $gb = $GLOBALS [ 'IPBANS' ];
336 if (! isset ( $gb [ 'FAILURES' ][ $ip ])) $gb [ 'FAILURES' ][ $ip ]= 0 ;
337 $gb [ 'FAILURES' ][ $ip ] ++
;
338 if ( $gb [ 'FAILURES' ][ $ip ] > ( $conf- > get ( 'security.ban_after' ) - 1 ))
340 $gb [ 'BANS' ][ $ip ] = time () +
$conf- > get ( 'security.ban_after' , 1800 );
341 logm ( $conf- > get ( 'resource.log' ), $_SERVER [ 'REMOTE_ADDR' ], 'IP address banned from login' );
343 $GLOBALS [ 'IPBANS' ] = $gb ;
345 $conf- > get ( 'resource.ban_file' , 'data/ipbans.php' ),
346 "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>"
351 * Signals a successful login. Resets failed login counter.
353 * @param ConfigManager $conf Configuration Manager instance.
355 function ban_loginOk ( $conf )
357 $ip = $_SERVER [ 'REMOTE_ADDR' ];
358 $gb = $GLOBALS [ 'IPBANS' ];
359 unset ( $gb [ 'FAILURES' ][ $ip ]); unset ( $gb [ 'BANS' ][ $ip ]);
360 $GLOBALS [ 'IPBANS' ] = $gb ;
362 $conf- > get ( 'resource.ban_file' , 'data/ipbans.php' ),
363 "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>"
368 * Checks if the user CAN login. If 'true', the user can try to login.
370 * @param ConfigManager $conf Configuration Manager instance.
372 * @return bool: true if the user is allowed to login.
374 function ban_canLogin ( $conf )
376 $ip = $_SERVER [ "REMOTE_ADDR" ]; $gb = $GLOBALS [ 'IPBANS' ];
377 if ( isset ( $gb [ 'BANS' ][ $ip ]))
379 // User is banned. Check if the ban has expired:
380 if ( $gb [ 'BANS' ][ $ip ]<= time ())
381 { // Ban expired, user can try to login again.
382 logm ( $conf- > get ( 'resource.log' ), $_SERVER [ 'REMOTE_ADDR' ], 'Ban lifted.' );
383 unset ( $gb [ 'FAILURES' ][ $ip ]); unset ( $gb [ 'BANS' ][ $ip ]);
385 $conf- > get ( 'resource.ban_file' , 'data/ipbans.php' ),
386 "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>"
388 return true ; // Ban has expired, user can login.
390 return false ; // User is banned.
392 return true ; // User is not banned.
395 // ------------------------------------------------------------------------------------------
396 // Process login form: Check if login/password is correct.
397 if ( isset ( $_POST [ 'login' ]))
399 if (! ban_canLogin ( $conf )) die ( 'I said: NO. You are banned for the moment. Go away.' );
400 if ( isset ( $_POST [ 'password' ])
401 && tokenOk ( $_POST [ 'token' ])
402 && ( check_auth ( $_POST [ 'login' ], $_POST [ 'password' ], $conf ))
403 ) { // Login/password is OK.
405 // If user wants to keep the session cookie even after the browser closes:
406 if (! empty ( $_POST [ 'longlastingsession' ]))
408 setcookie ( 'shaarli_staySignedIn' , STAY_SIGNED_IN_TOKEN
, time () +
31536000 , WEB_PATH
);
409 $_SESSION [ 'longlastingsession' ]= 31536000 ; // (31536000 seconds = 1 year)
410 $_SESSION [ 'expires_on' ]= time () +
$_SESSION [ 'longlastingsession' ]; // Set session expiration on server-side.
412 $cookiedir = '' ; if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ])!= '/' ) $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
413 session_set_cookie_params ( $_SESSION [ 'longlastingsession' ], $cookiedir , $_SERVER [ 'SERVER_NAME' ]); // Set session cookie expiration on client side
414 // Note: Never forget the trailing slash on the cookie path!
415 session_regenerate_id ( true ); // Send cookie with new expiration date to browser.
417 else // Standard session expiration (=when browser closes)
419 $cookiedir = '' ; if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ])!= '/' ) $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
420 session_set_cookie_params ( 0 , $cookiedir , $_SERVER [ 'SERVER_NAME' ]); // 0 means "When browser closes"
421 session_regenerate_id ( true );
424 // Optional redirect after login:
425 if ( isset ( $_GET [ 'post' ])) {
426 $uri = '?post=' . urlencode ( $_GET [ 'post' ]);
427 foreach ( array ( 'description' , 'source' , 'title' ) as $param ) {
428 if (! empty ( $_GET [ $param ])) {
429 $uri .= '&' . $param . '=' . urlencode ( $_GET [ $param ]);
432 header ( 'Location: ' . $uri );
436 if ( isset ( $_GET [ 'edit_link' ])) {
437 header ( 'Location: ?edit_link=' . escape ( $_GET [ 'edit_link' ]));
441 if ( isset ( $_POST [ 'returnurl' ])) {
442 // Prevent loops over login screen.
443 if ( strpos ( $_POST [ 'returnurl' ], 'do=login' ) === false ) {
444 header ( 'Location: ' . generateLocation ( $_POST [ 'returnurl' ], $_SERVER [ 'HTTP_HOST' ]));
448 header ( 'Location: ?' ); exit ;
452 ban_loginFailed ( $conf );
453 $redir = '&username=' . $_POST [ 'login' ];
454 if ( isset ( $_GET [ 'post' ])) {
455 $redir .= '&post=' . urlencode ( $_GET [ 'post' ]);
456 foreach ( array ( 'description' , 'source' , 'title' ) as $param ) {
457 if (! empty ( $_GET [ $param ])) {
458 $redir .= '&' . $param . '=' . urlencode ( $_GET [ $param ]);
462 echo '<script>alert("Wrong login/password.");document.location= \' ?do=login' . $redir . ' \' ;</script>' ; // Redirect to login screen.
467 // ------------------------------------------------------------------------------------------
468 // Misc utility functions:
470 // Convert post_max_size/upload_max_filesize (e.g. '16M') parameters to bytes.
471 function return_bytes ( $val )
473 $val = trim ( $val ); $last = strtolower ( $val [ strlen ( $val )- 1 ]);
476 case 'g' : $val *= 1024 ;
477 case 'm' : $val *= 1024 ;
478 case 'k' : $val *= 1024 ;
483 // Try to determine max file size for uploads (POST).
484 // Returns an integer (in bytes)
485 function getMaxFileSize ()
487 $size1 = return_bytes ( ini_get ( 'post_max_size' ));
488 $size2 = return_bytes ( ini_get ( 'upload_max_filesize' ));
489 // Return the smaller of two:
490 $maxsize = min ( $size1 , $size2 );
491 // FIXME: Then convert back to readable notations ? (e.g. 2M instead of 2000000)
495 // ------------------------------------------------------------------------------------------
496 // Token management for XSRF protection
497 // Token should be used in any form which acts on data (create,update,delete,import...).
498 if (! isset ( $_SESSION [ 'tokens' ])) $_SESSION [ 'tokens' ]= array (); // Token are attached to the session.
503 * @param ConfigManager $conf Configuration Manager instance.
505 * @return string token.
507 function getToken ( $conf )
509 $rnd = sha1 ( uniqid ( '' , true ) . '_' . mt_rand () . $conf- > get ( 'credentials.salt' )); // We generate a random string.
510 $_SESSION [ 'tokens' ][ $rnd ]= 1 ; // Store it on the server side.
514 // Tells if a token is OK. Using this function will destroy the token.
516 function tokenOk ( $token )
518 if ( isset ( $_SESSION [ 'tokens' ][ $token ]))
520 unset ( $_SESSION [ 'tokens' ][ $token ]); // Token is used: destroy it.
521 return true ; // Token is OK.
523 return false ; // Wrong token, or already used.
527 * Daily RSS feed: 1 RSS entry per day giving all the links on that day.
528 * Gives the last 7 days (which have links).
529 * This RSS feed cannot be filtered.
531 * @param ConfigManager $conf Configuration Manager instance.
533 function showDailyRSS ( $conf ) {
535 $query = $_SERVER [ 'QUERY_STRING' ];
536 $cache = new CachedPage (
537 $conf- > get ( 'config.PAGE_CACHE' ),
539 startsWith ( $query , 'do=dailyrss' ) && ! isLoggedIn ()
541 $cached = $cache- > cachedVersion ();
542 if (! empty ( $cached )) {
547 // If cached was not found (or not usable), then read the database and build the response:
548 // Read links from database (and filter private links if used it not logged in).
549 $LINKSDB = new LinkDB (
550 $conf- > get ( 'resource.datastore' ),
552 $conf- > get ( 'privacy.hide_public_links' ),
553 $conf- > get ( 'redirector.url' ),
554 $conf- > get ( 'redirector.encode_url' )
557 /* Some Shaarlies may have very few links, so we need to look
558 back in time (rsort()) until we have enough days ($nb_of_days).
560 $linkdates = array ();
561 foreach ( $LINKSDB as $linkdate => $value ) {
562 $linkdates [] = $linkdate ;
565 $nb_of_days = 7 ; // We take 7 days.
566 $today = date ( 'Ymd' );
569 foreach ( $linkdates as $linkdate ) {
570 $day = substr ( $linkdate , 0 , 8 ); // Extract day (without time)
571 if ( strcmp ( $day , $today ) < 0 ) {
572 if ( empty ( $days [ $day ])) {
573 $days [ $day ] = array ();
575 $days [ $day ][] = $linkdate ;
578 if ( count ( $days ) > $nb_of_days ) {
579 break ; // Have we collected enough days?
583 // Build the RSS feed.
584 header ( 'Content-Type: application/rss+xml; charset=utf-8' );
585 $pageaddr = escape ( index_url ( $_SERVER ));
586 echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">' ;
588 echo '<title>Daily - ' . $conf- > get ( 'general.title' ) . '</title>' ;
589 echo '<link>' . $pageaddr . '</link>' ;
590 echo '<description>Daily shared links</description>' ;
591 echo '<language>en-en</language>' ;
592 echo '<copyright>' . $pageaddr . '</copyright>' . PHP_EOL
;
595 foreach ( $days as $day => $linkdates ) {
596 $dayDate = DateTime
:: createFromFormat ( LinkDB
:: LINK_DATE_FORMAT
, $day . '_000000' );
597 $absurl = escape ( index_url ( $_SERVER ). '?do=daily&day=' . $day ); // Absolute URL of the corresponding "Daily" page.
599 // Build the HTML body of this RSS entry.
604 // We pre-format some fields for proper output.
605 foreach ( $linkdates as $linkdate ) {
606 $l = $LINKSDB [ $linkdate ];
607 $l [ 'formatedDescription' ] = format_description ( $l [ 'description' ], $conf- > get ( 'redirector.url' ));
608 $l [ 'thumbnail' ] = thumbnail ( $conf , $l [ 'url' ]);
609 $l_date = DateTime
:: createFromFormat ( LinkDB
:: LINK_DATE_FORMAT
, $l [ 'linkdate' ]);
610 $l [ 'timestamp' ] = $l_date- > getTimestamp ();
611 if ( startsWith ( $l [ 'url' ], '?' )) {
612 $l [ 'url' ] = index_url ( $_SERVER ) . $l [ 'url' ]; // make permalink URL absolute
614 $links [ $linkdate ] = $l ;
617 // Then build the HTML for this day:
619 $tpl- > assign ( 'title' , $conf- > get ( 'general.title' ));
620 $tpl- > assign ( 'daydate' , $dayDate- > getTimestamp ());
621 $tpl- > assign ( 'absurl' , $absurl );
622 $tpl- > assign ( 'links' , $links );
623 $tpl- > assign ( 'rssdate' , escape ( $dayDate- > format ( DateTime
:: RSS
)));
624 $tpl- > assign ( 'hide_timestamps' , $conf- > get ( 'privacy.hide_timestamps' , false ));
625 $html = $tpl- > draw ( 'dailyrss' , $return_string = true );
627 echo $html . PHP_EOL
;
629 echo '</channel></rss><!-- Cached version of ' . escape ( page_url ( $_SERVER )) . ' -->' ;
631 $cache- > cache ( ob_get_contents ());
637 * Show the 'Daily' page.
639 * @param PageBuilder $pageBuilder Template engine wrapper.
640 * @param LinkDB $LINKSDB LinkDB instance.
641 * @param ConfigManager $conf Configuration Manager instance.
642 * @param PluginManager $pluginManager Plugin Manager instane.
644 function showDaily ( $pageBuilder , $LINKSDB , $conf , $pluginManager )
646 $day = date ( 'Ymd' , strtotime ( '-1 day' )); // Yesterday, in format YYYYMMDD.
647 if ( isset ( $_GET [ 'day' ])) $day = $_GET [ 'day' ];
649 $days = $LINKSDB- > days ();
650 $i = array_search ( $day , $days );
651 if ( $i === false ) { $i
= count ( $days
)- 1 ; $day
= $days
[ $i
]; }
656 if ( $i >= 1 ) $previousday = $days [ $i-1 ];
657 if ( $i < count ( $days )- 1 ) $nextday = $days [ $i +
1 ];
661 $linksToDisplay = $LINKSDB- > filterDay ( $day );
662 } catch ( Exception
$exc ) {
664 $linksToDisplay = array ();
667 // We pre-format some fields for proper output.
668 foreach ( $linksToDisplay as $key => $link )
671 $taglist = explode ( ' ' , $link [ 'tags' ]);
672 uasort ( $taglist , 'strcasecmp' );
673 $linksToDisplay [ $key ][ 'taglist' ]= $taglist ;
674 $linksToDisplay [ $key ][ 'formatedDescription' ] = format_description ( $link [ 'description' ], $conf- > get ( 'redirector.url' ));
675 $linksToDisplay [ $key ][ 'thumbnail' ] = thumbnail ( $conf , $link [ 'url' ]);
676 $date = DateTime
:: createFromFormat ( LinkDB
:: LINK_DATE_FORMAT
, $link [ 'linkdate' ]);
677 $linksToDisplay [ $key ][ 'timestamp' ] = $date- > getTimestamp ();
680 /* We need to spread the articles on 3 columns.
681 I did not want to use a JavaScript lib like http://masonry.desandro.com/
682 so I manually spread entries with a simple method: I roughly evaluate the
683 height of a div according to title and description length.
685 $columns = array ( array (), array (), array ()); // Entries to display, for each column.
686 $fill = array ( 0 , 0 , 0 ); // Rough estimate of columns fill.
687 foreach ( $linksToDisplay as $key => $link )
689 // Roughly estimate length of entry (by counting characters)
690 // Title: 30 chars = 1 line. 1 line is 30 pixels height.
691 // Description: 836 characters gives roughly 342 pixel height.
692 // This is not perfect, but it's usually OK.
693 $length = strlen ( $link [ 'title' ]) +
( 342 * strlen ( $link [ 'description' ]))/ 836 ;
694 if ( $link [ 'thumbnail' ]) $length +
= 100 ; // 1 thumbnails roughly takes 100 pixels height.
695 // Then put in column which is the less filled:
696 $smallest = min ( $fill ); // find smallest value in array.
697 $index = array_search ( $smallest , $fill ); // find index of this smallest value.
698 array_push ( $columns [ $index ], $link ); // Put entry in this column.
699 $fill [ $index ] +
= $length ;
702 $dayDate = DateTime
:: createFromFormat ( LinkDB
:: LINK_DATE_FORMAT
, $day . '_000000' );
704 'linksToDisplay' => $linksToDisplay ,
706 'day' => $dayDate- > getTimestamp (),
707 'previousday' => $previousday ,
708 'nextday' => $nextday ,
711 $pluginManager- > executeHooks ( 'render_daily' , $data , array ( 'loggedin' => isLoggedIn ()));
713 foreach ( $data as $key => $value ) {
714 $pageBuilder- > assign ( $key , $value );
717 $pageBuilder- > renderPage ( 'daily' );
722 * Renders the linklist
724 * @param pageBuilder $PAGE pageBuilder instance.
725 * @param LinkDB $LINKSDB LinkDB instance.
726 * @param ConfigManager $conf Configuration Manager instance.
727 * @param PluginManager $pluginManager Plugin Manager instance.
729 function showLinkList ( $PAGE , $LINKSDB , $conf , $pluginManager ) {
730 buildLinkList ( $PAGE , $LINKSDB , $conf , $pluginManager ); // Compute list of links to display
731 $PAGE- > renderPage ( 'linklist' );
735 * Render HTML page (according to URL parameters and user rights)
737 * @param ConfigManager $conf Configuration Manager instance.
738 * @param PluginManager $pluginManager Plugin Manager instance,
740 function renderPage ( $conf , $pluginManager )
742 $LINKSDB = new LinkDB (
743 $conf- > get ( 'resource.datastore' ),
745 $conf- > get ( 'privacy.hide_public_links' ),
746 $conf- > get ( 'redirector.url' ),
747 $conf- > get ( 'redirector.encode_url' )
750 $updater = new Updater (
751 read_updates_file ( $conf- > get ( 'resource.updates' )),
757 $newUpdates = $updater- > update ();
758 if (! empty ( $newUpdates )) {
760 $conf- > get ( 'resource.updates' ),
761 $updater- > getDoneUpdates ()
765 catch ( Exception
$e ) {
766 die ( $e- > getMessage ());
769 $PAGE = new PageBuilder ( $conf );
770 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
771 $PAGE- > assign ( 'privateLinkcount' , count_private ( $LINKSDB ));
773 // Determine which page will be rendered.
774 $query = ( isset ( $_SERVER [ 'QUERY_STRING' ])) ? $_SERVER [ 'QUERY_STRING' ] : '' ;
775 $targetPage = Router
:: findPage ( $query , $_GET , isLoggedIn ());
777 // Call plugin hooks for header, footer and includes, specifying which page will be rendered.
778 // Then assign generated data to RainTPL.
779 $common_hooks = array (
785 foreach ( $common_hooks as $name ) {
786 $plugin_data = array ();
787 $pluginManager- > executeHooks ( 'render_' . $name , $plugin_data ,
789 'target' => $targetPage ,
790 'loggedin' => isLoggedIn ()
793 $PAGE- > assign ( 'plugins_' . $name , $plugin_data );
796 // -------- Display login form.
797 if ( $targetPage == Router
:: $PAGE_LOGIN )
799 if ( $conf- > get ( 'security.open_shaarli' )) { header ( 'Location: ?' ); exit ; } // No need to login for open Shaarli
800 if ( isset ( $_GET [ 'username' ])) {
801 $PAGE- > assign ( 'username' , escape ( $_GET [ 'username' ]));
803 $PAGE- > assign ( 'returnurl' ,( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]): '' ));
804 $PAGE- > renderPage ( 'loginform' );
807 // -------- User wants to logout.
808 if ( isset ( $_SERVER [ 'QUERY_STRING' ]) && startsWith ( $_SERVER [ 'QUERY_STRING' ], 'do=logout' ))
810 invalidateCaches ( $conf- > get ( 'resource.page_cache' ));
812 header ( 'Location: ?' );
816 // -------- Picture wall
817 if ( $targetPage == Router
:: $PAGE_PICWALL )
819 // Optionally filter the results:
820 $links = $LINKSDB- > filterSearch ( $_GET );
821 $linksToDisplay = array ();
823 // Get only links which have a thumbnail.
824 foreach ( $links as $link )
826 $permalink = '?' . escape ( smallhash ( $link [ 'linkdate' ]));
827 $thumb = lazyThumbnail ( $conf , $link [ 'url' ], $permalink );
828 if ( $thumb != '' ) // Only output links which have a thumbnail.
830 $link [ 'thumbnail' ]= $thumb ; // Thumbnail HTML code.
831 $linksToDisplay []= $link ; // Add to array.
836 'linksToDisplay' => $linksToDisplay ,
838 $pluginManager- > executeHooks ( 'render_picwall' , $data , array ( 'loggedin' => isLoggedIn ()));
840 foreach ( $data as $key => $value ) {
841 $PAGE- > assign ( $key , $value );
844 $PAGE- > renderPage ( 'picwall' );
848 // -------- Tag cloud
849 if ( $targetPage == Router
:: $PAGE_TAGCLOUD )
851 $tags = $LINKSDB- > allTags ();
853 // We sort tags alphabetically, then choose a font size according to count.
854 // First, find max value.
856 foreach ( $tags as $value ) {
857 $maxcount = max ( $maxcount , $value );
860 // Sort tags alphabetically: case insensitive, support locale if avalaible.
861 uksort ( $tags , function ( $a , $b ) {
862 // Collator is part of PHP intl.
863 if ( class_exists ( 'Collator' )) {
864 $c = new Collator ( setlocale ( LC_COLLATE
, 0 ));
865 if (! intl_is_failure ( intl_get_error_code ())) {
866 return $c- > compare ( $a , $b );
869 return strcasecmp ( $a , $b );
873 foreach ( $tags as $key => $value ) {
874 // Tag font size scaling:
875 // default 15 and 30 logarithm bases affect scaling,
876 // 22 and 6 are arbitrary font sizes for max and min sizes.
877 $size = log ( $value , 15 ) / log ( $maxcount , 30 ) * 2.2 +
0.8 ;
878 $tagList [ $key ] = array (
880 'size' => number_format ( $size , 2 , '.' , '' ),
887 $pluginManager- > executeHooks ( 'render_tagcloud' , $data , array ( 'loggedin' => isLoggedIn ()));
889 foreach ( $data as $key => $value ) {
890 $PAGE- > assign ( $key , $value );
893 $PAGE- > renderPage ( 'tagcloud' );
898 if ( $targetPage == Router
:: $PAGE_DAILY ) {
899 showDaily ( $PAGE , $LINKSDB , $conf , $pluginManager );
902 // ATOM and RSS feed.
903 if ( $targetPage == Router
:: $PAGE_FEED_ATOM || $targetPage == Router
:: $PAGE_FEED_RSS ) {
904 $feedType = $targetPage == Router
:: $PAGE_FEED_RSS ? FeedBuilder
:: $FEED_RSS : FeedBuilder
:: $FEED_ATOM ;
905 header ( 'Content-Type: application/' . $feedType . '+xml; charset=utf-8' );
908 $query = $_SERVER [ 'QUERY_STRING' ];
909 $cache = new CachedPage (
910 $conf- > get ( 'resource.page_cache' ),
912 startsWith ( $query , 'do=' . $targetPage ) && ! isLoggedIn ()
914 $cached = $cache- > cachedVersion ();
915 if (! empty ( $cached )) {
921 $feedGenerator = new FeedBuilder ( $LINKSDB , $feedType , $_SERVER , $_GET , isLoggedIn ());
922 $feedGenerator- > setLocale ( strtolower ( setlocale ( LC_COLLATE
, 0 )));
923 $feedGenerator- > setHideDates ( $conf- > get ( 'privacy.hide_timestamps' ) && ! isLoggedIn ());
924 $feedGenerator- > setUsePermalinks ( isset ( $_GET [ 'permalinks' ]) || ! $conf- > get ( 'feed.rss_permalinks' ));
925 $pshUrl = $conf- > get ( 'config.PUBSUBHUB_URL' );
926 if (! empty ( $pshUrl )) {
927 $feedGenerator- > setPubsubhubUrl ( $pshUrl );
929 $data = $feedGenerator- > buildData ();
931 // Process plugin hook.
932 $pluginManager- > executeHooks ( 'render_feed' , $data , array (
933 'loggedin' => isLoggedIn (),
934 'target' => $targetPage ,
937 // Render the template.
938 $PAGE- > assignAll ( $data );
939 $PAGE- > renderPage ( 'feed.' . $feedType );
940 $cache- > cache ( ob_get_contents ());
945 // Display openseach plugin (XML)
946 if ( $targetPage == Router
:: $PAGE_OPENSEARCH ) {
947 header ( 'Content-Type: application/xml; charset=utf-8' );
948 $PAGE- > assign ( 'serverurl' , index_url ( $_SERVER ));
949 $PAGE- > renderPage ( 'opensearch' );
953 // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...)
954 if ( isset ( $_GET [ 'addtag' ]))
956 // Get previous URL (http_referer) and add the tag to the searchtags parameters in query.
957 if ( empty ( $_SERVER [ 'HTTP_REFERER' ])) { header ( 'Location: ?searchtags=' . urlencode ( $_GET
[ 'addtag' ])); exit ; } // In case browser does not send HTTP_REFERER
958 parse_str ( parse_url ( $_SERVER [ 'HTTP_REFERER' ], PHP_URL_QUERY
), $params );
960 // Prevent redirection loop
961 if ( isset ( $params [ 'addtag' ])) {
962 unset ( $params [ 'addtag' ]);
965 // Check if this tag is already in the search query and ignore it if it is.
966 // Each tag is always separated by a space
967 if ( isset ( $params [ 'searchtags' ])) {
968 $current_tags = explode ( ' ' , $params [ 'searchtags' ]);
970 $current_tags = array ();
973 foreach ( $current_tags as $value ) {
974 if ( $value === $_GET [ 'addtag' ]) {
979 // Append the tag if necessary
980 if ( empty ( $params [ 'searchtags' ])) {
981 $params [ 'searchtags' ] = trim ( $_GET [ 'addtag' ]);
984 $params [ 'searchtags' ] = trim ( $params [ 'searchtags' ]). ' ' . trim ( $_GET [ 'addtag' ]);
987 unset ( $params [ 'page' ]); // We also remove page (keeping the same page has no sense, since the results are different)
988 header ( 'Location: ?' . http_build_query ( $params ));
992 // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...)
993 if ( isset ( $_GET [ 'removetag' ])) {
994 // Get previous URL (http_referer) and remove the tag from the searchtags parameters in query.
995 if ( empty ( $_SERVER [ 'HTTP_REFERER' ])) {
996 header ( 'Location: ?' );
1000 // In case browser does not send HTTP_REFERER
1001 parse_str ( parse_url ( $_SERVER [ 'HTTP_REFERER' ], PHP_URL_QUERY
), $params );
1003 // Prevent redirection loop
1004 if ( isset ( $params [ 'removetag' ])) {
1005 unset ( $params [ 'removetag' ]);
1008 if ( isset ( $params [ 'searchtags' ])) {
1009 $tags = explode ( ' ' , $params [ 'searchtags' ]);
1010 // Remove value from array $tags.
1011 $tags = array_diff ( $tags , array ( $_GET [ 'removetag' ]));
1012 $params [ 'searchtags' ] = implode ( ' ' , $tags );
1014 if ( empty ( $params [ 'searchtags' ])) {
1015 unset ( $params [ 'searchtags' ]);
1018 unset ( $params [ 'page' ]); // We also remove page (keeping the same page has no sense, since the results are different)
1020 header ( 'Location: ?' . http_build_query ( $params ));
1024 // -------- User wants to change the number of links per page (linksperpage=...)
1025 if ( isset ( $_GET [ 'linksperpage' ])) {
1026 if ( is_numeric ( $_GET [ 'linksperpage' ])) {
1027 $_SESSION [ 'LINKS_PER_PAGE' ]= abs ( intval ( $_GET [ 'linksperpage' ]));
1030 header ( 'Location: ' . generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'linksperpage' )));
1034 // -------- User wants to see only private links (toggle)
1035 if ( isset ( $_GET [ 'privateonly' ])) {
1036 if ( empty ( $_SESSION [ 'privateonly' ])) {
1037 $_SESSION [ 'privateonly' ] = 1 ; // See only private links
1039 unset ( $_SESSION [ 'privateonly' ]); // See all links
1042 header ( 'Location: ' . generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'privateonly' )));
1046 // -------- Handle other actions allowed for non-logged in users:
1049 // User tries to post new link but is not logged in:
1050 // Show login screen, then redirect to ?post=...
1051 if ( isset ( $_GET [ 'post' ]))
1053 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.
1057 showLinkList ( $PAGE , $LINKSDB , $conf , $pluginManager );
1058 if ( isset ( $_GET [ 'edit_link' ])) {
1059 header ( 'Location: ?do=login&edit_link=' . escape ( $_GET [ 'edit_link' ]));
1063 exit ; // Never remove this one! All operations below are reserved for logged in user.
1066 // -------- All other functions are reserved for the registered user:
1068 // -------- Display the Tools menu if requested (import/export/bookmarklet...)
1069 if ( $targetPage == Router
:: $PAGE_TOOLS )
1072 'pageabsaddr' => index_url ( $_SERVER ),
1074 $pluginManager- > executeHooks ( 'render_tools' , $data );
1076 foreach ( $data as $key => $value ) {
1077 $PAGE- > assign ( $key , $value );
1080 $PAGE- > renderPage ( 'tools' );
1084 // -------- User wants to change his/her password.
1085 if ( $targetPage == Router
:: $PAGE_CHANGEPASSWORD )
1087 if ( $conf- > get ( 'security.open_shaarli' )) {
1088 die ( 'You are not supposed to change a password on an Open Shaarli.' );
1091 if (! empty ( $_POST [ 'setpassword' ]) && ! empty ( $_POST [ 'oldpassword' ]))
1093 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' ); // Go away!
1095 // Make sure old password is correct.
1096 $oldhash = sha1 ( $_POST [ 'oldpassword' ]. $conf- > get ( 'credentials.login' ). $conf- > get ( 'credentials.salt' ));
1097 if ( $oldhash != $conf- > get ( 'credentials.hash' )) { echo '<script>alert("The old password is not correct.");document.location= \' ?do=changepasswd \' ;</script>' ; exit ; }
1098 // Save new password
1099 // Salt renders rainbow-tables attacks useless.
1100 $conf- > set ( 'credentials.salt' , sha1 ( uniqid ( '' , true ) . '_' . mt_rand ()));
1101 $conf- > set ( 'credentials.hash' , sha1 ( $_POST [ 'setpassword' ] . $conf- > get ( 'credentials.login' ) . $conf- > get ( 'credentials.salt' )));
1103 $conf- > write ( isLoggedIn ());
1105 catch ( Exception
$e ) {
1107 'ERROR while writing config file after changing password.' . PHP_EOL
.
1111 // TODO: do not handle exceptions/errors in JS.
1112 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ?do=tools \' ;</script>' ;
1115 echo '<script>alert("Your password has been changed.");document.location= \' ?do=tools \' ;</script>' ;
1118 else // show the change password form.
1120 $PAGE- > renderPage ( 'changepassword' );
1125 // -------- User wants to change configuration
1126 if ( $targetPage == Router
:: $PAGE_CONFIGURE )
1128 if (! empty ( $_POST [ 'title' ]) )
1130 if (! tokenOk ( $_POST [ 'token' ])) {
1131 die ( 'Wrong token.' ); // Go away!
1134 if (! empty ( $_POST [ 'continent' ]) && ! empty ( $_POST [ 'city' ])
1135 && isTimeZoneValid ( $_POST [ 'continent' ], $_POST [ 'city' ])
1137 $tz = $_POST [ 'continent' ] . '/' . $_POST [ 'city' ];
1139 $conf- > set ( 'general.timezone' , $tz );
1140 $conf- > set ( 'general.title' , escape ( $_POST [ 'title' ]));
1141 $conf- > set ( 'general.header_link' , escape ( $_POST [ 'titleLink' ]));
1142 $conf- > set ( 'redirector.url' , escape ( $_POST [ 'redirector' ]));
1143 $conf- > set ( 'security.session_protection_disabled' , ! empty ( $_POST [ 'disablesessionprotection' ]));
1144 $conf- > set ( 'privacy.default_private_links' , ! empty ( $_POST [ 'privateLinkByDefault' ]));
1145 $conf- > set ( 'feed.rss_permalinks' , ! empty ( $_POST [ 'enableRssPermalinks' ]));
1146 $conf- > set ( 'updates.check_updates' , ! empty ( $_POST [ 'updateCheck' ]));
1147 $conf- > set ( 'privacy.hide_public_links' , ! empty ( $_POST [ 'hidePublicLinks' ]));
1149 $conf- > write ( isLoggedIn ());
1151 catch ( Exception
$e ) {
1153 'ERROR while writing config file after configuration update.' . PHP_EOL
.
1157 // TODO: do not handle exceptions/errors in JS.
1158 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ?do=configure \' ;</script>' ;
1161 echo '<script>alert("Configuration was saved.");document.location= \' ?do=configure \' ;</script>' ;
1164 else // Show the configuration form.
1166 $PAGE- > assign ( 'title' , $conf- > get ( 'general.title' ));
1167 $PAGE- > assign ( 'redirector' , $conf- > get ( 'redirector.url' ));
1168 list ( $timezone_form , $timezone_js ) = generateTimeZoneForm ( $conf- > get ( 'general.timezone' ));
1169 $PAGE- > assign ( 'timezone_form' , $timezone_form );
1170 $PAGE- > assign ( 'timezone_js' , $timezone_js );
1171 $PAGE- > assign ( 'private_links_default' , $conf- > get ( 'privacy.default_private_links' , false ));
1172 $PAGE- > assign ( 'session_protection_disabled' , $conf- > get ( 'security.session_protection_disabled' , false ));
1173 $PAGE- > assign ( 'enable_rss_permalinks' , $conf- > get ( 'feed.rss_permalinks' , false ));
1174 $PAGE- > assign ( 'enable_update_check' , $conf- > get ( 'updates.check_updates' , true ));
1175 $PAGE- > assign ( 'hide_public_links' , $conf- > get ( 'privacy.hide_public_links' , false ));
1176 $PAGE- > renderPage ( 'configure' );
1181 // -------- User wants to rename a tag or delete it
1182 if ( $targetPage == Router
:: $PAGE_CHANGETAG )
1184 if ( empty ( $_POST [ 'fromtag' ]) || ( empty ( $_POST [ 'totag' ]) && isset ( $_POST [ 'renametag' ]))) {
1185 $PAGE- > assign ( 'tags' , $LINKSDB- > allTags ());
1186 $PAGE- > renderPage ( 'changetag' );
1190 if (! tokenOk ( $_POST [ 'token' ])) {
1191 die ( 'Wrong token.' );
1195 if ( isset ( $_POST [ 'deletetag' ]) && ! empty ( $_POST [ 'fromtag' ])) {
1196 $needle = trim ( $_POST [ 'fromtag' ]);
1197 // True for case-sensitive tag search.
1198 $linksToAlter = $LINKSDB- > filterSearch ( array ( 'searchtags' => $needle ), true );
1199 foreach ( $linksToAlter as $key => $value )
1201 $tags = explode ( ' ' , trim ( $value [ 'tags' ]));
1202 unset ( $tags [ array_search ( $needle , $tags )]); // Remove tag.
1203 $value [ 'tags' ]= trim ( implode ( ' ' , $tags ));
1204 $LINKSDB [ $key ]= $value ;
1206 $LINKSDB- > savedb ( $conf- > get ( 'resource.page_cache' ));
1207 echo '<script>alert("Tag was removed from ' . count ( $linksToAlter ). ' links.");document.location= \' ? \' ;</script>' ;
1212 if ( isset ( $_POST [ 'renametag' ]) && ! empty ( $_POST [ 'fromtag' ]) && ! empty ( $_POST [ 'totag' ])) {
1213 $needle = trim ( $_POST [ 'fromtag' ]);
1214 // True for case-sensitive tag search.
1215 $linksToAlter = $LINKSDB- > filterSearch ( array ( 'searchtags' => $needle ), true );
1216 foreach ( $linksToAlter as $key => $value )
1218 $tags = explode ( ' ' , trim ( $value [ 'tags' ]));
1219 $tags [ array_search ( $needle , $tags )] = trim ( $_POST [ 'totag' ]); // Replace tags value.
1220 $value [ 'tags' ]= trim ( implode ( ' ' , $tags ));
1221 $LINKSDB [ $key ]= $value ;
1223 $LINKSDB- > savedb ( $conf- > get ( 'resource.page_cache' )); // Save to disk.
1224 echo '<script>alert("Tag was renamed in ' . count ( $linksToAlter ). ' links.");document.location= \' ?searchtags=' . urlencode ( $_POST [ 'totag' ]). ' \' ;</script>' ;
1229 // -------- User wants to add a link without using the bookmarklet: Show form.
1230 if ( $targetPage == Router
:: $PAGE_ADDLINK )
1232 $PAGE- > renderPage ( 'addlink' );
1236 // -------- User clicked the "Save" button when editing a link: Save link to database.
1237 if ( isset ( $_POST [ 'save_edit' ]))
1240 if (! tokenOk ( $_POST [ 'token' ])) {
1241 die ( 'Wrong token.' );
1243 // Remove multiple spaces.
1244 $tags = trim ( preg_replace ( '/\s\s+/' , ' ' , $_POST [ 'lf_tags' ]));
1245 // Remove first '-' char in tags.
1246 $tags = preg_replace ( '/(^| )\-/' , ' $1' , $tags );
1247 // Remove duplicates.
1248 $tags = implode(' ', array_unique(explode(' ', $tags )));
1249 $linkdate = $_POST [' lf_linkdate
'];
1250 $url = trim( $_POST [' lf_url
']);
1251 if (! startsWith( $url , ' http
: ') && ! startsWith( $url , ' https
: ')
1252 && ! startsWith( $url , ' ftp
: ') && ! startsWith( $url , ' magnet
: ')
1253 && ! startsWith( $url , ' ? ') && ! startsWith( $url , ' javascript
: ')
1255 $url = ' http
: //' . $url;
1259 'title' => trim ( $_POST [ 'lf_title' ]),
1261 'description' => $_POST [ 'lf_description' ],
1262 'private' => ( isset ( $_POST [ 'lf_private' ]) ? 1 : 0 ),
1263 'linkdate' => $linkdate ,
1264 'tags' => str_replace ( ',' , ' ' , $tags )
1266 // If title is empty, use the URL as title.
1267 if ( $link [ 'title' ] == '' ) {
1268 $link [ 'title' ] = $link [ 'url' ];
1271 $pluginManager- > executeHooks ( 'save_link' , $link );
1273 $LINKSDB [ $linkdate ] = $link ;
1274 $LINKSDB- > savedb ( $conf- > get ( 'resource.page_cache' ));
1277 // If we are called from the bookmarklet, we must close the popup:
1278 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) {
1279 echo '<script>self.close();</script>' ;
1283 $returnurl = ! empty ( $_POST [ 'returnurl' ]) ? $_POST [ 'returnurl' ] : '?' ;
1284 $location = generateLocation ( $returnurl , $_SERVER [ 'HTTP_HOST' ], array ( 'addlink' , 'post' , 'edit_link' ));
1285 // Scroll to the link which has been edited.
1286 $location .= '#' . smallHash ( $_POST [ 'lf_linkdate' ]);
1287 // After saving the link, redirect to the page the user was on.
1288 header ( 'Location: ' . $location );
1292 // -------- User clicked the "Cancel" button when editing a link.
1293 if ( isset ( $_POST [ 'cancel_edit' ]))
1295 // If we are called from the bookmarklet, we must close the popup:
1296 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) { echo '<script>self.close();</script>' ; exit ; }
1297 $returnurl = ( isset ( $_POST [ 'returnurl' ]) ? $_POST [ 'returnurl' ] : '?' );
1298 $returnurl .= '#' . smallHash ( $_POST [ 'lf_linkdate' ]); // Scroll to the link which has been edited.
1299 $returnurl = generateLocation ( $returnurl , $_SERVER [ 'HTTP_HOST' ], array ( 'addlink' , 'post' , 'edit_link' ));
1300 header ( 'Location: ' . $returnurl ); // After canceling, redirect to the page the user was on.
1304 // -------- User clicked the "Delete" button when editing a link: Delete link from database.
1305 if ( isset ( $_POST [ 'delete_link' ]))
1307 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' );
1308 // We do not need to ask for confirmation:
1309 // - confirmation is handled by JavaScript
1310 // - we are protected from XSRF by the token.
1311 $linkdate = $_POST [ 'lf_linkdate' ];
1313 $pluginManager- > executeHooks ( 'delete_link' , $LINKSDB [ $linkdate ]);
1315 unset ( $LINKSDB [ $linkdate ]);
1316 $LINKSDB- > savedb ( 'resource.page_cache' ); // save to disk
1318 // If we are called from the bookmarklet, we must close the popup:
1319 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) { echo '<script>self.close();</script>' ; exit ; }
1320 // Pick where we're going to redirect
1321 // =============================================================
1322 // Basically, we can't redirect to where we were previously if it was a permalink
1323 // or an edit_link, because it would 404.
1325 // - / : nothing in $_GET, redirect to self
1326 // - /?page : redirect to self
1327 // - /?searchterm : redirect to self (there might be other links)
1328 // - /?searchtags : redirect to self
1329 // - /permalink : redirect to / (the link does not exist anymore)
1330 // - /?edit_link : redirect to / (the link does not exist anymore)
1331 // PHP treats the permalink as a $_GET variable, so we need to check if every condition for self
1332 // redirect is not satisfied, and only then redirect to /
1335 if ( count ( $_GET ) == 0
1336 || isset ( $_GET [ 'page' ])
1337 || isset ( $_GET [ 'searchterm' ])
1338 || isset ( $_GET [ 'searchtags' ])
1340 if ( isset ( $_POST [ 'returnurl' ])) {
1341 $location = $_POST [ 'returnurl' ]; // Handle redirects given by the form
1343 $location = generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'delete_link' ));
1347 header ( 'Location: ' . $location ); // After deleting the link, redirect to appropriate location
1351 // -------- User clicked the "EDIT" button on a link: Display link edit form.
1352 if ( isset ( $_GET [ 'edit_link' ]))
1354 $link = $LINKSDB [ $_GET [ 'edit_link' ]]; // Read database
1355 if (! $link ) { header ( 'Location: ?' ); exit ; } // Link not found in database.
1358 'link_is_new' => false ,
1359 'http_referer' => ( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]) : '' ),
1360 'tags' => $LINKSDB- > allTags (),
1362 $pluginManager- > executeHooks ( 'render_editlink' , $data );
1364 foreach ( $data as $key => $value ) {
1365 $PAGE- > assign ( $key , $value );
1368 $PAGE- > renderPage ( 'editlink' );
1372 // -------- User want to post a new link: Display link edit form.
1373 if ( isset ( $_GET [ 'post' ])) {
1374 $url = cleanup_url ( $_GET [ 'post' ]);
1376 $link_is_new = false ;
1377 // Check if URL is not already in database (in this case, we will edit the existing link)
1378 $link = $LINKSDB- > getLinkFromUrl ( $url );
1381 $link_is_new = true ;
1382 $linkdate = strval ( date ( 'Ymd_His' ));
1383 // Get title if it was provided in URL (by the bookmarklet).
1384 $title = empty ( $_GET [ 'title' ]) ? '' : escape ( $_GET [ 'title' ]);
1385 // Get description if it was provided in URL (by the bookmarklet). [Bronco added that]
1386 $description = empty ( $_GET [ 'description' ]) ? '' : escape ( $_GET [ 'description' ]);
1387 $tags = empty ( $_GET [ 'tags' ]) ? '' : escape ( $_GET [ 'tags' ]);
1388 $private = ! empty ( $_GET [ 'private' ]) && $_GET [ 'private' ] === "1" ? 1 : 0 ;
1389 // 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.)
1390 if ( empty ( $title ) && strpos ( get_url_scheme ( $url ), 'http' ) !== false ) {
1391 // Short timeout to keep the application responsive
1392 list ( $headers , $content ) = get_http_response ( $url , 4 );
1393 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
1394 // Retrieve charset.
1395 $charset = get_charset ( $headers , $content );
1397 $title = html_extract_title ( $content );
1398 // Re-encode title in utf-8 if necessary.
1399 if (! empty ( $title ) && strtolower ( $charset ) != 'utf-8' ) {
1400 $title = mb_convert_encoding ( $title , 'utf-8' , $charset );
1406 $url = '?' . smallHash ( $linkdate );
1409 $url = escape ( $url );
1410 $title = escape ( $title );
1413 'linkdate' => $linkdate ,
1416 'description' => $description ,
1418 'private' => $private
1424 'link_is_new' => $link_is_new ,
1425 'http_referer' => ( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]) : '' ),
1426 'source' => ( isset ( $_GET [ 'source' ]) ? $_GET [ 'source' ] : '' ),
1427 'tags' => $LINKSDB- > allTags (),
1428 'default_private_links' => $conf- > get ( 'privacy.default_private_links' , false ),
1430 $pluginManager- > executeHooks ( 'render_editlink' , $data );
1432 foreach ( $data as $key => $value ) {
1433 $PAGE- > assign ( $key , $value );
1436 $PAGE- > renderPage ( 'editlink' );
1440 if ( $targetPage == Router
:: $PAGE_EXPORT ) {
1441 // Export links as a Netscape Bookmarks file
1443 if ( empty ( $_GET [ 'selection' ])) {
1444 $PAGE- > renderPage ( 'export' );
1448 // export as bookmarks_(all|private|public)_YYYYmmdd_HHMMSS.html
1449 $selection = $_GET [ 'selection' ];
1450 if ( isset ( $_GET [ 'prepend_note_url' ])) {
1451 $prependNoteUrl = $_GET [ 'prepend_note_url' ];
1453 $prependNoteUrl = false ;
1459 NetscapeBookmarkUtils
:: filterAndFormat (
1466 } catch ( Exception
$exc ) {
1467 header ( 'Content-Type: text/plain; charset=utf-8' );
1468 echo $exc- > getMessage ();
1471 $now = new DateTime ();
1472 header ( 'Content-Type: text/html; charset=utf-8' );
1474 'Content-disposition: attachment; filename=bookmarks_'
1475 . $selection . '_' . $now- > format ( LinkDB
:: LINK_DATE_FORMAT
). '.html'
1477 $PAGE- > assign ( 'date' , $now- > format ( DateTime
:: RFC822
));
1478 $PAGE- > assign ( 'eol' , PHP_EOL
);
1479 $PAGE- > assign ( 'selection' , $selection );
1480 $PAGE- > renderPage ( 'export.bookmarks' );
1484 if ( $targetPage == Router
:: $PAGE_IMPORT ) {
1485 // Upload a Netscape bookmark dump to import its contents
1487 if (! isset ( $_POST [ 'token' ]) || ! isset ( $_FILES [ 'filetoupload' ])) {
1488 // Show import dialog
1489 $PAGE- > assign ( 'maxfilesize' , getMaxFileSize ());
1490 $PAGE- > renderPage ( 'import' );
1494 // Import bookmarks from an uploaded file
1495 if ( isset ( $_FILES [ 'filetoupload' ][ 'size' ]) && $_FILES [ 'filetoupload' ][ 'size' ] == 0 ) {
1496 // The file is too big or some form field may be missing.
1497 echo '<script>alert("The file you are trying to upload is probably'
1498 . ' bigger than what this webserver can accept ('
1499 . getMaxFileSize (). ' bytes).'
1500 . ' Please upload in smaller chunks.");document.location= \' ?do='
1501 . Router
:: $PAGE_IMPORT . ' \' ;</script>' ;
1504 if (! tokenOk ( $_POST [ 'token' ])) {
1505 die ( 'Wrong token.' );
1507 $status = NetscapeBookmarkUtils
:: import (
1511 $conf- > get ( 'resource.page_cache' )
1513 echo '<script>alert("' . $status . '");document.location= \' ?do='
1514 . Router
:: $PAGE_IMPORT . ' \' ;</script>' ;
1518 // Plugin administration page
1519 if ( $targetPage == Router
:: $PAGE_PLUGINSADMIN ) {
1520 $pluginMeta = $pluginManager- > getPluginsMeta ();
1522 // Split plugins into 2 arrays: ordered enabled plugins and disabled.
1523 $enabledPlugins = array_filter ( $pluginMeta , function ( $v ) { return $v
[ 'order' ] !== false ; });
1525 $enabledPlugins = load_plugin_parameter_values ( $enabledPlugins , $conf- > get ( 'plugins' , array ()));
1528 function ( $a , $b ) { return $a
[ 'order' ] - $b
[ 'order' ]; }
1530 $disabledPlugins = array_filter ( $pluginMeta , function ( $v ) { return $v
[ 'order' ] === false ; });
1532 $PAGE- > assign ( 'enabledPlugins' , $enabledPlugins );
1533 $PAGE- > assign ( 'disabledPlugins' , $disabledPlugins );
1534 $PAGE- > renderPage ( 'pluginsadmin' );
1538 // Plugin administration form action
1539 if ( $targetPage == Router
:: $PAGE_SAVE_PLUGINSADMIN ) {
1541 if ( isset ( $_POST [ 'parameters_form' ])) {
1542 unset ( $_POST [ 'parameters_form' ]);
1543 foreach ( $_POST as $param => $value ) {
1544 $conf- > set ( 'plugins.' . $param , escape ( $value ));
1548 $conf- > set ( 'general.enabled_plugins' , save_plugin_config ( $_POST ));
1550 $conf- > write ( isLoggedIn ());
1552 catch ( Exception
$e ) {
1554 'ERROR while saving plugin configuration:.' . PHP_EOL
.
1558 // TODO: do not handle exceptions/errors in JS.
1559 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ?do=' . Router
:: $PAGE_PLUGINSADMIN . ' \' ;</script>' ;
1562 header ( 'Location: ?do=' . Router
:: $PAGE_PLUGINSADMIN );
1566 // -------- Otherwise, simply display search form and links:
1567 showLinkList ( $PAGE , $LINKSDB , $conf , $pluginManager );
1572 * Template for the list of links (<div id="linklist">)
1573 * This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
1575 * @param pageBuilder $PAGE pageBuilder instance.
1576 * @param LinkDB $LINKSDB LinkDB instance.
1577 * @param ConfigManager $conf Configuration Manager instance.
1578 * @param PluginManager $pluginManager Plugin Manager instance.
1580 function buildLinkList ( $PAGE , $LINKSDB , $conf , $pluginManager )
1582 // Used in templates
1583 $searchtags = ! empty ( $_GET [ 'searchtags' ]) ? escape ( $_GET [ 'searchtags' ]) : '' ;
1584 $searchterm = ! empty ( $_GET [ 'searchterm' ]) ? escape ( $_GET [ 'searchterm' ]) : '' ;
1587 if (! empty ( $_SERVER [ 'QUERY_STRING' ])
1588 && preg_match ( '/^[a-zA-Z0-9-_@] {6} ( $| &|#)/' , $_SERVER [ 'QUERY_STRING' ])) {
1590 $linksToDisplay = $LINKSDB- > filterHash ( $_SERVER [ 'QUERY_STRING' ]);
1591 } catch ( LinkNotFoundException
$e ) {
1592 $PAGE- > render404 ( $e- > getMessage ());
1596 // Filter links according search parameters.
1597 $privateonly = ! empty ( $_SESSION [ 'privateonly' ]);
1598 $linksToDisplay = $LINKSDB- > filterSearch ( $_GET , false , $privateonly );
1601 // ---- Handle paging.
1603 foreach ( $linksToDisplay as $key => $value ) {
1609 // Select articles according to paging.
1610 $pagecount = ceil ( count ( $keys ) / $_SESSION [ 'LINKS_PER_PAGE' ]);
1611 $pagecount = $pagecount == 0 ? 1 : $pagecount ;
1612 $page = empty ( $_GET [ 'page' ]) ? 1 : intval ( $_GET [ 'page' ]);
1613 $page = $page < 1 ? 1 : $page ;
1614 $page = $page > $pagecount ? $pagecount : $page ;
1616 $i = ( $page-1 ) * $_SESSION [ 'LINKS_PER_PAGE' ];
1617 $end = $i +
$_SESSION [ 'LINKS_PER_PAGE' ];
1618 $linkDisp = array ();
1619 while ( $i < $end && $i < count ( $keys ))
1621 $link = $linksToDisplay [ $keys [ $i ]];
1622 $link [ 'description' ] = format_description ( $link [ 'description' ], $conf- > get ( 'redirector.url' ));
1623 $classLi = ( $i %
2 ) != 0 ? '' : 'publicLinkHightLight' ;
1624 $link [ 'class' ] = $link [ 'private' ] == 0 ? $classLi : 'private' ;
1625 $date = DateTime
:: createFromFormat ( LinkDB
:: LINK_DATE_FORMAT
, $link [ 'linkdate' ]);
1626 $link [ 'timestamp' ] = $date- > getTimestamp ();
1627 $taglist = explode ( ' ' , $link [ 'tags' ]);
1628 uasort ( $taglist , 'strcasecmp' );
1629 $link [ 'taglist' ] = $taglist ;
1630 $link [ 'shorturl' ] = smallHash ( $link [ 'linkdate' ]);
1631 // Check for both signs of a note: starting with ? and 7 chars long.
1632 if ( $link [ 'url' ][ 0 ] === '?' &&
1633 strlen ( $link [ 'url' ]) === 7 ) {
1634 $link [ 'url' ] = index_url ( $_SERVER ) . $link [ 'url' ];
1637 $linkDisp [ $keys [ $i ]] = $link ;
1641 // Compute paging navigation
1642 $searchtagsUrl = empty ( $searchtags ) ? '' : '&searchtags=' . urlencode ( $searchtags );
1643 $searchtermUrl = empty ( $searchterm ) ? '' : '&searchterm=' . urlencode ( $searchterm );
1644 $previous_page_url = '' ;
1645 if ( $i != count ( $keys )) {
1646 $previous_page_url = '?page=' . ( $page +
1 ) . $searchtermUrl . $searchtagsUrl ;
1650 $next_page_url = '?page=' . ( $page-1 ) . $searchtermUrl . $searchtagsUrl ;
1653 $token = isLoggedIn () ? getToken ( $conf ) : '' ;
1655 // Fill all template fields.
1657 'previous_page_url' => $previous_page_url ,
1658 'next_page_url' => $next_page_url ,
1659 'page_current' => $page ,
1660 'page_max' => $pagecount ,
1661 'result_count' => count ( $linksToDisplay ),
1662 'search_term' => $searchterm ,
1663 'search_tags' => $searchtags ,
1664 'redirector' => $conf- > get ( 'redirector.url' ), // Optional redirector URL.
1665 'links' => $linkDisp ,
1666 'tags' => $LINKSDB- > allTags (),
1669 // If there is only a single link, we change on-the-fly the title of the page.
1670 if ( count ( $linksToDisplay ) == 1 ) {
1671 $data [ 'pagetitle' ] = $linksToDisplay [ $keys [ 0 ]][ 'title' ] . ' - ' . $conf- > get ( 'general.title' );
1674 $pluginManager- > executeHooks ( 'render_linklist' , $data , array ( 'loggedin' => isLoggedIn ()));
1676 foreach ( $data as $key => $value ) {
1677 $PAGE- > assign ( $key , $value );
1684 * Compute the thumbnail for a link.
1686 * With a link to the original URL.
1687 * Understands various services (youtube.com...)
1688 * Input: $url = URL for which the thumbnail must be found.
1689 * $href = if provided, this URL will be followed instead of $url
1690 * Returns an associative array with thumbnail attributes (src,href,width,height,style,alt)
1691 * Some of them may be missing.
1692 * Return an empty array if no thumbnail available.
1694 * @param ConfigManager $conf Configuration Manager instance.
1695 * @param string $url
1696 * @param string|bool $href
1700 function computeThumbnail ( $conf , $url , $href = false )
1702 if (! $conf- > get ( 'thumbnail.enable_thumbnails' )) return array ();
1703 if ( $href == false ) $href = $url ;
1705 // For most hosts, the URL of the thumbnail can be easily deduced from the URL of the link.
1706 // (e.g. http://www.youtube.com/watch?v=spVypYk4kto ---> http://img.youtube.com/vi/spVypYk4kto/default.jpg )
1707 // ^^^^^^^^^^^ ^^^^^^^^^^^
1708 $domain = parse_url ( $url , PHP_URL_HOST
);
1709 if ( $domain == 'youtube.com' || $domain == 'www.youtube.com' )
1711 parse_str ( parse_url ( $url , PHP_URL_QUERY
), $params ); // Extract video ID and get thumbnail
1712 if (! empty ( $params [ 'v' ])) return array ( 'src' => 'https://img.youtube.com/vi/' . $params [ 'v' ]. '/default.jpg' ,
1713 'href' => $href , 'width' => '120' , 'height' => '90' , 'alt' => 'YouTube thumbnail' );
1715 if ( $domain == 'youtu.be' ) // Youtube short links
1717 $path = parse_url ( $url , PHP_URL_PATH
);
1718 return array ( 'src' => 'https://img.youtube.com/vi' . $path . '/default.jpg' ,
1719 'href' => $href , 'width' => '120' , 'height' => '90' , 'alt' => 'YouTube thumbnail' );
1721 if ( $domain == 'pix.toile-libre.org' ) // pix.toile-libre.org image hosting
1723 parse_str ( parse_url ( $url , PHP_URL_QUERY
), $params ); // Extract image filename.
1724 if (! empty ( $params ) && ! empty ( $params [ 'img' ])) return array ( 'src' => 'http://pix.toile-libre.org/upload/thumb/' . urlencode ( $params [ 'img' ]),
1725 'href' => $href , 'style' => 'max-width:120px; max-height:150px' , 'alt' => 'pix.toile-libre.org thumbnail' );
1728 if ( $domain == 'imgur.com' )
1730 $path = parse_url ( $url , PHP_URL_PATH
);
1731 if ( startsWith ( $path , '/a/' )) return array (); // Thumbnails for albums are not available.
1732 if ( startsWith ( $path , '/r/' )) return array ( 'src' => 'https://i.imgur.com/' . basename ( $path ). 's.jpg' ,
1733 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
1734 if ( startsWith ( $path , '/gallery/' )) return array ( 'src' => 'https://i.imgur.com' . substr ( $path , 8 ). 's.jpg' ,
1735 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
1737 if ( substr_count ( $path , '/' )== 1 ) return array ( 'src' => 'https://i.imgur.com/' . substr ( $path , 1 ). 's.jpg' ,
1738 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
1740 if ( $domain == 'i.imgur.com' )
1742 $pi = pathinfo ( parse_url ( $url , PHP_URL_PATH
));
1743 if (! empty ( $pi [ 'filename' ])) return array ( 'src' => 'https://i.imgur.com/' . $pi [ 'filename' ]. 's.jpg' ,
1744 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
1746 if ( $domain == 'dailymotion.com' || $domain == 'www.dailymotion.com' )
1748 if ( strpos ( $url , 'dailymotion.com/video/' )!== false )
1750 $thumburl = str_replace ( 'dailymotion.com/video/' , 'dailymotion.com/thumbnail/video/' , $url );
1751 return array ( 'src' => $thumburl ,
1752 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'DailyMotion thumbnail' );
1755 if ( endsWith ( $domain , '.imageshack.us' ))
1757 $ext = strtolower ( pathinfo ( $url , PATHINFO_EXTENSION
));
1758 if ( $ext == 'jpg' || $ext == 'jpeg' || $ext == 'png' || $ext == 'gif' )
1760 $thumburl = substr ( $url , 0 , strlen ( $url )- strlen ( $ext )). 'th.' . $ext ;
1761 return array ( 'src' => $thumburl ,
1762 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'imageshack.us thumbnail' );
1766 // Some other hosts are SLOW AS HELL and usually require an extra HTTP request to get the thumbnail URL.
1767 // So we deport the thumbnail generation in order not to slow down page generation
1768 // (and we also cache the thumbnail)
1770 if (! $conf- > get ( 'thumbnail.enable_localcache' )) return array (); // If local cache is disabled, no thumbnails for services which require the use a local cache.
1772 if ( $domain == 'flickr.com' || endsWith ( $domain , '.flickr.com' )
1773 || $domain == 'vimeo.com'
1774 || $domain == 'ted.com' || endsWith ( $domain , '.ted.com' )
1775 || $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' )
1778 if ( $domain == 'vimeo.com' )
1779 { // Make sure this vimeo URL points to a video (/xxx... where xxx is numeric)
1780 $path = parse_url ( $url , PHP_URL_PATH
);
1781 if (! preg_match ( '!/\d+.+?!' , $path )) return array (); // This is not a single video URL.
1783 if ( $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' ))
1784 { // Make sure this URL points to a single comic (/xxx... where xxx is numeric)
1785 $path = parse_url ( $url , PHP_URL_PATH
);
1786 if (! preg_match ( '!/\d+.+?!' , $path )) return array ();
1788 if ( $domain == 'ted.com' || endsWith ( $domain , '.ted.com' ))
1789 { // Make sure this TED URL points to a video (/talks/...)
1790 $path = parse_url ( $url , PHP_URL_PATH
);
1791 if ( "/talks/" !== substr ( $path , 0 , 7 )) return array (); // This is not a single video URL.
1793 $sign = hash_hmac ( 'sha256' , $url , $conf- > get ( 'credentials.salt' )); // We use the salt to sign data (it's random, secret, and specific to each installation)
1794 return array ( 'src' => index_url ( $_SERVER ). '?do=genthumbnail&hmac=' . $sign . '&url=' . urlencode ( $url ),
1795 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'thumbnail' );
1798 // For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif
1799 // Technically speaking, we should download ALL links and check their Content-Type to see if they are images.
1800 // But using the extension will do.
1801 $ext = strtolower ( pathinfo ( $url , PATHINFO_EXTENSION
));
1802 if ( $ext == 'jpg' || $ext == 'jpeg' || $ext == 'png' || $ext == 'gif' )
1804 $sign = hash_hmac ( 'sha256' , $url , $conf- > get ( 'credentials.salt' )); // We use the salt to sign data (it's random, secret, and specific to each installation)
1805 return array ( 'src' => index_url ( $_SERVER ). '?do=genthumbnail&hmac=' . $sign . '&url=' . urlencode ( $url ),
1806 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'thumbnail' );
1808 return array (); // No thumbnail.
1813 // Returns the HTML code to display a thumbnail for a link
1814 // with a link to the original URL.
1815 // Understands various services (youtube.com...)
1816 // Input: $url = URL for which the thumbnail must be found.
1817 // $href = if provided, this URL will be followed instead of $url
1818 // Returns '' if no thumbnail available.
1819 function thumbnail ( $url , $href = false )
1823 $t = computeThumbnail ( $conf , $url , $href );
1824 if ( count ( $t )== 0 ) return '' ; // Empty array = no thumbnail for this URL.
1826 $html = '<a href="' . escape ( $t [ 'href' ]). '"><img src="' . escape ( $t [ 'src' ]). '"' ;
1827 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
1828 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
1829 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
1830 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
1835 // Returns the HTML code to display a thumbnail for a link
1836 // for the picture wall (using lazy image loading)
1837 // Understands various services (youtube.com...)
1838 // Input: $url = URL for which the thumbnail must be found.
1839 // $href = if provided, this URL will be followed instead of $url
1840 // Returns '' if no thumbnail available.
1841 function lazyThumbnail ( $conf , $url , $href = false )
1845 $t = computeThumbnail ( $conf , $url , $href );
1846 if ( count ( $t )== 0 ) return '' ; // Empty array = no thumbnail for this URL.
1848 $html = '<a href="' . escape ( $t [ 'href' ]). '">' ;
1851 $html .= '<img class="b-lazy" src="#" data-src="' . escape ( $t [ 'src' ]). '"' ;
1853 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
1854 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
1855 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
1856 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
1859 // No-JavaScript fallback.
1860 $html .= '<noscript><img src="' . escape ( $t [ 'src' ]). '"' ;
1861 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
1862 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
1863 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
1864 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
1865 $html .= '></noscript></a>' ;
1873 * This function should NEVER be called if the file data/config.php exists.
1875 * @param ConfigManager $conf Configuration Manager instance.
1877 function install ( $conf )
1879 // On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
1880 if ( endsWith ( $_SERVER [ 'HTTP_HOST' ], '.free.fr' ) && ! is_dir ( $_SERVER [ 'DOCUMENT_ROOT' ]. '/sessions' )) mkdir ( $_SERVER [ 'DOCUMENT_ROOT' ]. '/sessions' , 0705 );
1883 // This part makes sure sessions works correctly.
1884 // (Because on some hosts, session.save_path may not be set correctly,
1885 // or we may not have write access to it.)
1886 if ( isset ( $_GET [ 'test_session' ]) && ( ! isset ( $_SESSION ) || ! isset ( $_SESSION [ 'session_tested' ]) || $_SESSION [ 'session_tested' ]!= 'Working' ))
1887 { // Step 2: Check if data in session is correct.
1888 echo '<pre>Sessions do not seem to work correctly on your server.<br>' ;
1889 echo 'Make sure the variable session.save_path is set correctly in your php config, and that you have write access to it.<br>' ;
1890 echo 'It currently points to ' . session_save_path (). '<br>' ;
1891 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>' ;
1892 echo '<br><a href="?">Click to try again.</a></pre>' ;
1895 if (! isset ( $_SESSION [ 'session_tested' ]))
1896 { // Step 1 : Try to store data in session and reload page.
1897 $_SESSION [ 'session_tested' ] = 'Working' ; // Try to set a variable in session.
1898 header ( 'Location: ' . index_url ( $_SERVER ). '?test_session' ); // Redirect to check stored data.
1900 if ( isset ( $_GET [ 'test_session' ]))
1901 { // Step 3: Sessions are OK. Remove test parameter from URL.
1902 header ( 'Location: ' . index_url ( $_SERVER ));
1906 if (! empty ( $_POST [ 'setlogin' ]) && ! empty ( $_POST [ 'setpassword' ]))
1909 if (! empty ( $_POST [ 'continent' ]) && ! empty ( $_POST [ 'city' ])
1910 && isTimeZoneValid ( $_POST [ 'continent' ], $_POST [ 'city' ])
1912 $tz = $_POST [ 'continent' ]. '/' . $_POST [ 'city' ];
1914 $conf- > set ( 'general.timezone' , $tz );
1915 $login = $_POST [ 'setlogin' ];
1916 $conf- > set ( 'credentials.login' , $login );
1917 $salt = sha1 ( uniqid ( '' , true ) . '_' . mt_rand ());
1918 $conf- > set ( 'credentials.salt' , $salt );
1919 $conf- > set ( 'credentials.hash' , sha1 ( $_POST [ 'setpassword' ] . $login . $salt ));
1920 if (! empty ( $_POST [ 'title' ])) {
1921 $conf- > set ( 'general.title' , escape ( $_POST [ 'title' ]));
1923 $conf- > set ( 'general.title' , 'Shared links on ' . escape ( index_url ( $_SERVER )));
1925 $conf- > set ( 'updates.check_updates' , ! empty ( $_POST [ 'updateCheck' ]));
1927 // Everything is ok, let's create config file.
1928 $conf- > write ( isLoggedIn ());
1930 catch ( Exception
$e ) {
1932 'ERROR while writing config file after installation.' . PHP_EOL
.
1936 // TODO: do not handle exceptions/errors in JS.
1937 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ? \' ;</script>' ;
1940 echo '<script>alert("Shaarli is now configured. Please enter your login/password and start shaaring your links!");document.location= \' ?do=login \' ;</script>' ;
1944 // Display config form:
1945 list ( $timezone_form , $timezone_js ) = generateTimeZoneForm ();
1946 $timezone_html = '' ;
1947 if ( $timezone_form != '' ) {
1948 $timezone_html = '<tr><td><b>Timezone:</b></td><td>' . $timezone_form . '</td></tr>' ;
1951 $PAGE = new PageBuilder ( $conf );
1952 $PAGE- > assign ( 'timezone_html' , $timezone_html );
1953 $PAGE- > assign ( 'timezone_js' , $timezone_js );
1954 $PAGE- > renderPage ( 'install' );
1959 * Because some f*cking services like flickr require an extra HTTP request to get the thumbnail URL,
1960 * I have deported the thumbnail URL code generation here, otherwise this would slow down page generation.
1961 * The following function takes the URL a link (e.g. a flickr page) and return the proper thumbnail.
1962 * This function is called by passing the URL:
1963 * http://mywebsite.com/shaarli/?do=genthumbnail&hmac=[HMAC]&url=[URL]
1964 * [URL] is the URL of the link (e.g. a flickr page)
1965 * [HMAC] is the signature for the [URL] (so that these URL cannot be forged).
1966 * The function below will fetch the image from the webservice and store it in the cache.
1968 * @param ConfigManager $conf Configuration Manager instance,
1970 function genThumbnail ( $conf )
1972 // Make sure the parameters in the URL were generated by us.
1973 $sign = hash_hmac ( 'sha256' , $_GET [ 'url' ], $conf- > get ( 'credentials.salt' ));
1974 if ( $sign != $_GET [ 'hmac' ]) die ( 'Naughty boy!' );
1976 $cacheDir = $conf- > get ( 'resource.thumbnails_cache' , 'cache' );
1977 // Let's see if we don't already have the image for this URL in the cache.
1978 $thumbname = hash ( 'sha1' , $_GET [ 'url' ]). '.jpg' ;
1979 if ( is_file ( $cacheDir . '/' . $thumbname ))
1980 { // We have the thumbnail, just serve it:
1981 header ( 'Content-Type: image/jpeg' );
1982 echo file_get_contents ( $cacheDir . '/' . $thumbname );
1985 // We may also serve a blank image (if service did not respond)
1986 $blankname = hash ( 'sha1' , $_GET [ 'url' ]). '.gif' ;
1987 if ( is_file ( $cacheDir . '/' . $blankname ))
1989 header ( 'Content-Type: image/gif' );
1990 echo file_get_contents ( $cacheDir . '/' . $blankname );
1994 // Otherwise, generate the thumbnail.
1995 $url = $_GET [ 'url' ];
1996 $domain = parse_url ( $url , PHP_URL_HOST
);
1998 if ( $domain == 'flickr.com' || endsWith ( $domain , '.flickr.com' ))
2000 // Crude replacement to handle new flickr domain policy (They prefer www. now)
2001 $url = str_replace ( 'http://flickr.com/' , 'http://www.flickr.com/' , $url );
2003 // Is this a link to an image, or to a flickr page ?
2005 if ( endsWith ( parse_url ( $url , PHP_URL_PATH
), '.jpg' ))
2006 { // This is a direct link to an image. e.g. http://farm1.staticflickr.com/5/5921913_ac83ed27bd_o.jpg
2007 preg_match ( '!(http://farm\d+\.staticflickr\.com/\d+/\d+_\w+_)\w.jpg!' , $url , $matches );
2008 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ]. 'm.jpg' ;
2010 else // This is a flickr page (html)
2012 // Get the flickr html page.
2013 list ( $headers , $content ) = get_http_response ( $url , 20 );
2014 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false )
2016 // flickr now nicely provides the URL of the thumbnail in each flickr page.
2017 preg_match ( '!<link rel= \" image_src \" href= \" (.+?) \" !' , $content , $matches );
2018 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ];
2020 // In albums (and some other pages), the link rel="image_src" is not provided,
2021 // but flickr provides:
2022 // <meta property="og:image" content="http://farm4.staticflickr.com/3398/3239339068_25d13535ff_z.jpg" />
2025 preg_match ( '!<meta property= \" og:image \" content= \" (.+?) \" !' , $content , $matches );
2026 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ];
2032 { // Let's download the image.
2033 // Image is 240x120, so 10 seconds to download should be enough.
2034 list ( $headers , $content ) = get_http_response ( $imageurl , 10 );
2035 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2036 // Save image to cache.
2037 file_put_contents ( $cacheDir . '/' . $thumbname , $content );
2038 header ( 'Content-Type: image/jpeg' );
2045 elseif ( $domain == 'vimeo.com' )
2047 // This is more complex: we have to perform a HTTP request, then parse the result.
2048 // Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098
2049 $vid = substr ( parse_url ( $url , PHP_URL_PATH
), 1 );
2050 list ( $headers , $content ) = get_http_response ( 'https://vimeo.com/api/v2/video/' . escape ( $vid ). '.php' , 5 );
2051 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2052 $t = unserialize ( $content );
2053 $imageurl = $t [ 0 ][ 'thumbnail_medium' ];
2054 // Then we download the image and serve it to our client.
2055 list ( $headers , $content ) = get_http_response ( $imageurl , 10 );
2056 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2057 // Save image to cache.
2058 file_put_contents ( $cacheDir . '/' . $thumbname , $content );
2059 header ( 'Content-Type: image/jpeg' );
2066 elseif ( $domain == 'ted.com' || endsWith ( $domain , '.ted.com' ))
2068 // The thumbnail for TED talks is located in the <link rel="image_src" [...]> tag on that page
2069 // http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html
2070 // <link rel="image_src" href="http://images.ted.com/images/ted/28bced335898ba54d4441809c5b1112ffaf36781_389x292.jpg" />
2071 list ( $headers , $content ) = get_http_response ( $url , 5 );
2072 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2073 // Extract the link to the thumbnail
2074 preg_match ( '!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!' , $content , $matches );
2075 if (! empty ( $matches [ 1 ]))
2076 { // Let's download the image.
2077 $imageurl = $matches [ 1 ];
2078 // No control on image size, so wait long enough
2079 list ( $headers , $content ) = get_http_response ( $imageurl , 20 );
2080 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2081 $filepath = $cacheDir . '/' . $thumbname ;
2082 file_put_contents ( $filepath , $content ); // Save image to cache.
2083 if ( resizeImage ( $filepath ))
2085 header ( 'Content-Type: image/jpeg' );
2086 echo file_get_contents ( $filepath );
2094 elseif ( $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' ))
2096 // There is no thumbnail available for xkcd comics, so download the whole image and resize it.
2097 // http://xkcd.com/327/
2098 // <img src="http://imgs.xkcd.com/comics/exploits_of_a_mom.png" title="<BLABLA>" alt="<BLABLA>" />
2099 list ( $headers , $content ) = get_http_response ( $url , 5 );
2100 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2101 // Extract the link to the thumbnail
2102 preg_match ( '!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!' , $content , $matches );
2103 if (! empty ( $matches [ 1 ]))
2104 { // Let's download the image.
2105 $imageurl = $matches [ 1 ];
2106 // No control on image size, so wait long enough
2107 list ( $headers , $content ) = get_http_response ( $imageurl , 20 );
2108 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2109 $filepath = $cacheDir . '/' . $thumbname ;
2110 // Save image to cache.
2111 file_put_contents ( $filepath , $content );
2112 if ( resizeImage ( $filepath ))
2114 header ( 'Content-Type: image/jpeg' );
2115 echo file_get_contents ( $filepath );
2125 // For all other domains, we try to download the image and make a thumbnail.
2126 // We allow 30 seconds max to download (and downloads are limited to 4 Mb)
2127 list ( $headers , $content ) = get_http_response ( $url , 30 );
2128 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2129 $filepath = $cacheDir . '/' . $thumbname ;
2130 // Save image to cache.
2131 file_put_contents ( $filepath , $content );
2132 if ( resizeImage ( $filepath ))
2134 header ( 'Content-Type: image/jpeg' );
2135 echo file_get_contents ( $filepath );
2142 // Otherwise, return an empty image (8x8 transparent gif)
2143 $blankgif = base64_decode ( 'R0lGODlhCAAIAIAAAP///////yH5BAEKAAEALAAAAAAIAAgAAAIHjI+py+1dAAA7' );
2144 // Also put something in cache so that this URL is not requested twice.
2145 file_put_contents ( $cacheDir . '/' . $blankname , $blankgif );
2146 header ( 'Content-Type: image/gif' );
2150 // Make a thumbnail of the image (to width: 120 pixels)
2151 // Returns true if success, false otherwise.
2152 function resizeImage ( $filepath )
2154 if (! function_exists ( 'imagecreatefromjpeg' )) return false ; // GD not present: no thumbnail possible.
2156 // Trick: some stupid people rename GIF as JPEG... or else.
2157 // So we really try to open each image type whatever the extension is.
2158 $header = file_get_contents ( $filepath , false , NULL , 0 , 256 ); // Read first 256 bytes and try to sniff file type.
2160 $i = strpos ( $header , 'GIF8' ); if (( $i !== false ) && ( $i == 0 )) $im = imagecreatefromgif ( $filepath ); // Well this is crude, but it should be enough.
2161 $i = strpos ( $header , 'PNG' ); if (( $i !== false ) && ( $i == 1 )) $im = imagecreatefrompng ( $filepath );
2162 $i = strpos ( $header , 'JFIF' ); if ( $i !== false ) $im = imagecreatefromjpeg ( $filepath );
2163 if (! $im ) return false ; // Unable to open image (corrupted or not an image)
2166 $ystart = 0 ; $yheight = $h ;
2167 if ( $h > $w ) { $ystart
= ( $h
/ 2 )-( $w
/ 2 ); $yheight
= $w
/ 2 ; }
2168 $nw = 120 ; // Desired width
2169 $nh = min ( floor (( $h * $nw )/ $w ), 120 ); // Compute new width/height, but maximum 120 pixels height.
2171 $im2 = imagecreatetruecolor ( $nw , $nh );
2172 imagecopyresampled ( $im2 , $im , 0 , 0 , 0 , $ystart , $nw , $nh , $w , $yheight );
2173 imageinterlace ( $im2 , true ); // For progressive JPEG.
2174 $tempname = $filepath . '_TEMP.jpg' ;
2175 imagejpeg ( $im2 , $tempname , 90 );
2179 rename ( $tempname , $filepath ); // Overwrite original picture with thumbnail.
2183 if ( isset ( $_SERVER [ 'QUERY_STRING' ]) && startsWith ( $_SERVER [ 'QUERY_STRING' ], 'do=genthumbnail' )) { genThumbnail ( $conf
); exit ; } // Thumbnail generation/cache does not need the link database.
2184 if ( isset ( $_SERVER [ 'QUERY_STRING' ]) && startsWith ( $_SERVER [ 'QUERY_STRING' ], 'do=dailyrss' )) { showDailyRSS ( $conf
); exit ; }
2185 if (! isset ( $_SESSION [ 'LINKS_PER_PAGE' ])) {
2186 $_SESSION [ 'LINKS_PER_PAGE' ] = $conf- > get ( 'general.links_per_page' , 20 );
2188 renderPage ( $conf , $pluginManager );