]>
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 require_once 'inc/rain.tpl.class.php' ;
49 require_once __DIR__
. '/vendor/autoload.php' ;
52 require_once 'application/ApplicationUtils.php' ;
53 require_once 'application/Cache.php' ;
54 require_once 'application/CachedPage.php' ;
55 require_once 'application/config/ConfigManager.php' ;
56 require_once 'application/config/ConfigPlugin.php' ;
57 require_once 'application/FeedBuilder.php' ;
58 require_once 'application/FileUtils.php' ;
59 require_once 'application/HttpUtils.php' ;
60 require_once 'application/Languages.php' ;
61 require_once 'application/LinkDB.php' ;
62 require_once 'application/LinkFilter.php' ;
63 require_once 'application/LinkUtils.php' ;
64 require_once 'application/NetscapeBookmarkUtils.php' ;
65 require_once 'application/PageBuilder.php' ;
66 require_once 'application/TimeZone.php' ;
67 require_once 'application/Url.php' ;
68 require_once 'application/Utils.php' ;
69 require_once 'application/PluginManager.php' ;
70 require_once 'application/Router.php' ;
71 require_once 'application/Updater.php' ;
73 // Ensure the PHP version is supported
75 ApplicationUtils
:: checkPHPVersion ( '5.3' , PHP_VERSION
);
76 } catch ( Exception
$exc ) {
77 header ( 'Content-Type: text/plain; charset=utf-8' );
78 echo $exc- > getMessage ();
82 // Force cookie path (but do not change lifetime)
83 $cookie = session_get_cookie_params ();
85 if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ]) != '/' ) {
86 $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
88 // Set default cookie expiration and path.
89 session_set_cookie_params ( $cookie [ 'lifetime' ], $cookiedir , $_SERVER [ 'SERVER_NAME' ]);
90 // Set session parameters on server side.
91 // If the user does not access any page within this time, his/her session is considered expired.
92 define ( 'INACTIVITY_TIMEOUT' , 3600 ); // in seconds.
93 // Use cookies to store session.
94 ini_set ( 'session.use_cookies' , 1 );
95 // Force cookies for session (phpsessionID forbidden in URL).
96 ini_set ( 'session.use_only_cookies' , 1 );
97 // Prevent PHP form using sessionID in URL if cookies are disabled.
98 ini_set ( 'session.use_trans_sid' , false );
100 session_name ( 'shaarli' );
101 // Start session if needed (Some server auto-start sessions).
102 if ( session_id () == '' ) {
106 // Regenerate session ID if invalid or not defined in cookie.
107 if ( isset ( $_COOKIE [ 'shaarli' ]) && ! is_session_id_valid ( $_COOKIE [ 'shaarli' ])) {
108 session_regenerate_id ( true );
109 $_COOKIE [ 'shaarli' ] = session_id ();
112 $conf = new ConfigManager ();
113 $conf- > setEmpty ( 'general.timezone' , date_default_timezone_get ());
114 $conf- > setEmpty ( 'general.title' , 'Shared links on ' . escape ( index_url ( $_SERVER )));
115 RainTPL
:: $tpl_dir = $conf- > get ( 'resource.raintpl_tpl' ); // template directory
116 RainTPL
:: $cache_dir = $conf- > get ( 'resource.raintpl_tmp' ); // cache directory
118 $pluginManager = new PluginManager ( $conf );
119 $pluginManager- > load ( $conf- > get ( 'general.enabled_plugins' ));
121 date_default_timezone_set ( $conf- > get ( 'general.timezone' , 'UTC' ));
123 ob_start (); // Output buffering for the page cache.
125 // In case stupid admin has left magic_quotes enabled in php.ini:
126 if ( get_magic_quotes_gpc ())
128 function stripslashes_deep ( $value ) { $value
= is_array ( $value
) ? array_map ( 'stripslashes_deep' , $value
) : stripslashes ( $value
); return $value
; }
129 $_POST = array_map ( 'stripslashes_deep' , $_POST );
130 $_GET = array_map ( 'stripslashes_deep' , $_GET );
131 $_COOKIE = array_map ( 'stripslashes_deep' , $_COOKIE );
134 // Prevent caching on client side or proxy: (yes, it's ugly)
135 header ( "Last-Modified: " . gmdate ( "D, d M Y H:i:s" ) . " GMT" );
136 header ( "Cache-Control: no-store, no-cache, must-revalidate" );
137 header ( "Cache-Control: post-check=0, pre-check=0" , false );
138 header ( "Pragma: no-cache" );
140 if (! is_file ( $conf- > getConfigFileExt ())) {
141 // Ensure Shaarli has proper access to its resources
142 $errors = ApplicationUtils
:: checkResourcePermissions ( $conf );
144 if ( $errors != array ()) {
145 $message = '<p>Insufficient permissions:</p><ul>' ;
147 foreach ( $errors as $error ) {
148 $message .= '<li>' . $error . '</li>' ;
152 header ( 'Content-Type: text/html; charset=utf-8' );
157 // Display the installation form if no existing config is found
161 // a token depending of deployment salt, user password, and the current ip
162 define ( 'STAY_SIGNED_IN_TOKEN' , sha1 ( $conf- > get ( 'credentials.hash' ) . $_SERVER [ 'REMOTE_ADDR' ] . $conf- > get ( 'credentials.salt' )));
164 // Sniff browser language and set date format accordingly.
165 if ( isset ( $_SERVER [ 'HTTP_ACCEPT_LANGUAGE' ])) {
166 autoLocale ( $_SERVER [ 'HTTP_ACCEPT_LANGUAGE' ]);
168 header ( 'Content-Type: text/html; charset=utf-8' ); // We use UTF-8 for proper international characters handling.
171 * Checking session state (i.e. is the user still logged in)
173 * @param ConfigManager $conf The configuration manager.
175 * @return bool: true if the user is logged in, false otherwise.
177 function setup_login_state ( $conf )
179 if ( $conf- > get ( 'security.open_shaarli' )) {
182 $userIsLoggedIn = false ; // By default, we do not consider the user as logged in;
183 $loginFailure = false ; // If set to true, every attempt to authenticate the user will fail. This indicates that an important condition isn't met.
184 if (! $conf- > exists ( 'credentials.login' )) {
185 $userIsLoggedIn = false ; // Shaarli is not configured yet.
186 $loginFailure = true ;
188 if ( isset ( $_COOKIE [ 'shaarli_staySignedIn' ]) &&
189 $_COOKIE [ 'shaarli_staySignedIn' ]=== STAY_SIGNED_IN_TOKEN
&&
192 fillSessionInfo ( $conf );
193 $userIsLoggedIn = true ;
195 // If session does not exist on server side, or IP address has changed, or session has expired, logout.
196 if ( empty ( $_SESSION [ 'uid' ])
197 || ( $conf- > get ( 'security.session_protection_disabled' ) == false && $_SESSION [ 'ip' ] != allIPs ())
198 || time () >= $_SESSION [ 'expires_on' ])
201 $userIsLoggedIn = false ;
202 $loginFailure = true ;
204 if (! empty ( $_SESSION [ 'longlastingsession' ])) {
205 $_SESSION [ 'expires_on' ]= time () +
$_SESSION [ 'longlastingsession' ]; // In case of "Stay signed in" checked.
208 $_SESSION [ 'expires_on' ]= time () +INACTIVITY_TIMEOUT
; // Standard session expiration date.
210 if (! $loginFailure ) {
211 $userIsLoggedIn = true ;
214 return $userIsLoggedIn ;
216 $userIsLoggedIn = setup_login_state ( $conf );
219 * PubSubHubbub protocol support (if enabled) [UNTESTED]
220 * (Source: http://aldarone.fr/les-flux-rss-shaarli-et-pubsubhubbub/ )
222 * @param ConfigManager $conf Configuration Manager instance.
224 function pubsubhub ( $conf )
226 $pshUrl = $conf- > get ( 'config.PUBSUBHUB_URL' );
229 include_once './publisher.php' ;
230 $p = new Publisher ( $pshUrl );
232 index_url ( $_SERVER ). '?do=atom' ,
233 index_url ( $_SERVER ). '?do=rss'
235 $p- > publish_update ( $topic_url );
239 // ------------------------------------------------------------------------------------------
240 // Session management
242 // Returns the IP address of the client (Used to prevent session cookie hijacking.)
245 $ip = $_SERVER [ 'REMOTE_ADDR' ];
246 // Then we use more HTTP headers to prevent session hijacking from users behind the same proxy.
247 if ( isset ( $_SERVER [ 'HTTP_X_FORWARDED_FOR' ])) { $ip
= $ip
. '_' . $_SERVER
[ 'HTTP_X_FORWARDED_FOR' ]; }
248 if ( isset ( $_SERVER [ 'HTTP_CLIENT_IP' ])) { $ip
= $ip
. '_' . $_SERVER
[ 'HTTP_CLIENT_IP' ]; }
255 * @param ConfigManager $conf Configuration Manager instance.
257 function fillSessionInfo ( $conf )
259 $_SESSION [ 'uid' ] = sha1 ( uniqid ( '' , true ). '_' . mt_rand ()); // Generate unique random number (different than phpsessionid)
260 $_SESSION [ 'ip' ]= allIPs (); // We store IP address(es) of the client to make sure session is not hijacked.
261 $_SESSION [ 'username' ]= $conf- > get ( 'credentials.login' );
262 $_SESSION [ 'expires_on' ]= time () +INACTIVITY_TIMEOUT
; // Set session expiration.
266 * Check that user/password is correct.
268 * @param string $login Username
269 * @param string $password User password
270 * @param ConfigManager $conf Configuration Manager instance.
272 * @return bool: authentication successful or not.
274 function check_auth ( $login , $password , $conf )
276 $hash = sha1 ( $password . $login . $conf- > get ( 'credentials.salt' ));
277 if ( $login == $conf- > get ( 'credentials.login' ) && $hash == $conf- > get ( 'credentials.hash' ))
278 { // Login/password is correct.
279 fillSessionInfo ( $conf );
280 logm ( $conf- > get ( 'resource.log' ), $_SERVER [ 'REMOTE_ADDR' ], 'Login successful' );
283 logm ( $conf- > get ( 'resource.log' ), $_SERVER [ 'REMOTE_ADDR' ], 'Login failed for user ' . $login );
287 // Returns true if the user is logged in.
288 function isLoggedIn ()
290 global $userIsLoggedIn ;
291 return $userIsLoggedIn ;
296 if ( isset ( $_SESSION )) {
297 unset ( $_SESSION [ 'uid' ]);
298 unset ( $_SESSION [ 'ip' ]);
299 unset ( $_SESSION [ 'username' ]);
300 unset ( $_SESSION [ 'privateonly' ]);
302 setcookie ( 'shaarli_staySignedIn' , FALSE , 0 , WEB_PATH
);
306 // ------------------------------------------------------------------------------------------
307 // Brute force protection system
308 // Several consecutive failed logins will ban the IP address for 30 minutes.
309 if (! is_file ( $conf- > get ( 'resource.ban_file' , 'data/ipbans.php' ))) {
312 $conf- > get ( 'resource.ban_file' , 'data/ipbans.php' ),
313 "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( array ( 'FAILURES' => array (), 'BANS' => array ()), true ). "; \n ?>"
316 include $conf- > get ( 'resource.ban_file' , 'data/ipbans.php' );
318 * Signal a failed login. Will ban the IP if too many failures:
320 * @param ConfigManager $conf Configuration Manager instance.
322 function ban_loginFailed ( $conf )
324 $ip = $_SERVER [ 'REMOTE_ADDR' ];
325 $gb = $GLOBALS [ 'IPBANS' ];
326 if (! isset ( $gb [ 'FAILURES' ][ $ip ])) $gb [ 'FAILURES' ][ $ip ]= 0 ;
327 $gb [ 'FAILURES' ][ $ip ] ++
;
328 if ( $gb [ 'FAILURES' ][ $ip ] > ( $conf- > get ( 'security.ban_after' ) - 1 ))
330 $gb [ 'BANS' ][ $ip ] = time () +
$conf- > get ( 'security.ban_after' , 1800 );
331 logm ( $conf- > get ( 'resource.log' ), $_SERVER [ 'REMOTE_ADDR' ], 'IP address banned from login' );
333 $GLOBALS [ 'IPBANS' ] = $gb ;
335 $conf- > get ( 'resource.ban_file' , 'data/ipbans.php' ),
336 "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>"
341 * Signals a successful login. Resets failed login counter.
343 * @param ConfigManager $conf Configuration Manager instance.
345 function ban_loginOk ( $conf )
347 $ip = $_SERVER [ 'REMOTE_ADDR' ];
348 $gb = $GLOBALS [ 'IPBANS' ];
349 unset ( $gb [ 'FAILURES' ][ $ip ]); unset ( $gb [ 'BANS' ][ $ip ]);
350 $GLOBALS [ 'IPBANS' ] = $gb ;
352 $conf- > get ( 'resource.ban_file' , 'data/ipbans.php' ),
353 "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>"
358 * Checks if the user CAN login. If 'true', the user can try to login.
360 * @param ConfigManager $conf Configuration Manager instance.
362 * @return bool: true if the user is allowed to login.
364 function ban_canLogin ( $conf )
366 $ip = $_SERVER [ "REMOTE_ADDR" ]; $gb = $GLOBALS [ 'IPBANS' ];
367 if ( isset ( $gb [ 'BANS' ][ $ip ]))
369 // User is banned. Check if the ban has expired:
370 if ( $gb [ 'BANS' ][ $ip ]<= time ())
371 { // Ban expired, user can try to login again.
372 logm ( $conf- > get ( 'resource.log' ), $_SERVER [ 'REMOTE_ADDR' ], 'Ban lifted.' );
373 unset ( $gb [ 'FAILURES' ][ $ip ]); unset ( $gb [ 'BANS' ][ $ip ]);
375 $conf- > get ( 'resource.ban_file' , 'data/ipbans.php' ),
376 "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>"
378 return true ; // Ban has expired, user can login.
380 return false ; // User is banned.
382 return true ; // User is not banned.
385 // ------------------------------------------------------------------------------------------
386 // Process login form: Check if login/password is correct.
387 if ( isset ( $_POST [ 'login' ]))
389 if (! ban_canLogin ( $conf )) die ( 'I said: NO. You are banned for the moment. Go away.' );
390 if ( isset ( $_POST [ 'password' ])
391 && tokenOk ( $_POST [ 'token' ])
392 && ( check_auth ( $_POST [ 'login' ], $_POST [ 'password' ], $conf ))
393 ) { // Login/password is OK.
395 // If user wants to keep the session cookie even after the browser closes:
396 if (! empty ( $_POST [ 'longlastingsession' ]))
398 setcookie ( 'shaarli_staySignedIn' , STAY_SIGNED_IN_TOKEN
, time () +
31536000 , WEB_PATH
);
399 $_SESSION [ 'longlastingsession' ]= 31536000 ; // (31536000 seconds = 1 year)
400 $_SESSION [ 'expires_on' ]= time () +
$_SESSION [ 'longlastingsession' ]; // Set session expiration on server-side.
402 $cookiedir = '' ; if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ])!= '/' ) $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
403 session_set_cookie_params ( $_SESSION [ 'longlastingsession' ], $cookiedir , $_SERVER [ 'SERVER_NAME' ]); // Set session cookie expiration on client side
404 // Note: Never forget the trailing slash on the cookie path!
405 session_regenerate_id ( true ); // Send cookie with new expiration date to browser.
407 else // Standard session expiration (=when browser closes)
409 $cookiedir = '' ; if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ])!= '/' ) $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
410 session_set_cookie_params ( 0 , $cookiedir , $_SERVER [ 'SERVER_NAME' ]); // 0 means "When browser closes"
411 session_regenerate_id ( true );
414 // Optional redirect after login:
415 if ( isset ( $_GET [ 'post' ])) {
416 $uri = '?post=' . urlencode ( $_GET [ 'post' ]);
417 foreach ( array ( 'description' , 'source' , 'title' ) as $param ) {
418 if (! empty ( $_GET [ $param ])) {
419 $uri .= '&' . $param . '=' . urlencode ( $_GET [ $param ]);
422 header ( 'Location: ' . $uri );
426 if ( isset ( $_GET [ 'edit_link' ])) {
427 header ( 'Location: ?edit_link=' . escape ( $_GET [ 'edit_link' ]));
431 if ( isset ( $_POST [ 'returnurl' ])) {
432 // Prevent loops over login screen.
433 if ( strpos ( $_POST [ 'returnurl' ], 'do=login' ) === false ) {
434 header ( 'Location: ' . generateLocation ( $_POST [ 'returnurl' ], $_SERVER [ 'HTTP_HOST' ]));
438 header ( 'Location: ?' ); exit ;
442 ban_loginFailed ( $conf );
443 $redir = '&username=' . $_POST [ 'login' ];
444 if ( isset ( $_GET [ 'post' ])) {
445 $redir .= '&post=' . urlencode ( $_GET [ 'post' ]);
446 foreach ( array ( 'description' , 'source' , 'title' ) as $param ) {
447 if (! empty ( $_GET [ $param ])) {
448 $redir .= '&' . $param . '=' . urlencode ( $_GET [ $param ]);
452 echo '<script>alert("Wrong login/password.");document.location= \' ?do=login' . $redir . ' \' ;</script>' ; // Redirect to login screen.
457 // ------------------------------------------------------------------------------------------
458 // Misc utility functions:
460 // Convert post_max_size/upload_max_filesize (e.g. '16M') parameters to bytes.
461 function return_bytes ( $val )
463 $val = trim ( $val ); $last = strtolower ( $val [ strlen ( $val )- 1 ]);
466 case 'g' : $val *= 1024 ;
467 case 'm' : $val *= 1024 ;
468 case 'k' : $val *= 1024 ;
473 // Try to determine max file size for uploads (POST).
474 // Returns an integer (in bytes)
475 function getMaxFileSize ()
477 $size1 = return_bytes ( ini_get ( 'post_max_size' ));
478 $size2 = return_bytes ( ini_get ( 'upload_max_filesize' ));
479 // Return the smaller of two:
480 $maxsize = min ( $size1 , $size2 );
481 // FIXME: Then convert back to readable notations ? (e.g. 2M instead of 2000000)
485 // ------------------------------------------------------------------------------------------
486 // Token management for XSRF protection
487 // Token should be used in any form which acts on data (create,update,delete,import...).
488 if (! isset ( $_SESSION [ 'tokens' ])) $_SESSION [ 'tokens' ]= array (); // Token are attached to the session.
493 * @param ConfigManager $conf Configuration Manager instance.
495 * @return string token.
497 function getToken ( $conf )
499 $rnd = sha1 ( uniqid ( '' , true ) . '_' . mt_rand () . $conf- > get ( 'credentials.salt' )); // We generate a random string.
500 $_SESSION [ 'tokens' ][ $rnd ]= 1 ; // Store it on the server side.
504 // Tells if a token is OK. Using this function will destroy the token.
506 function tokenOk ( $token )
508 if ( isset ( $_SESSION [ 'tokens' ][ $token ]))
510 unset ( $_SESSION [ 'tokens' ][ $token ]); // Token is used: destroy it.
511 return true ; // Token is OK.
513 return false ; // Wrong token, or already used.
517 * Daily RSS feed: 1 RSS entry per day giving all the links on that day.
518 * Gives the last 7 days (which have links).
519 * This RSS feed cannot be filtered.
521 * @param ConfigManager $conf Configuration Manager instance.
523 function showDailyRSS ( $conf ) {
525 $query = $_SERVER [ 'QUERY_STRING' ];
526 $cache = new CachedPage (
527 $conf- > get ( 'config.PAGE_CACHE' ),
529 startsWith ( $query , 'do=dailyrss' ) && ! isLoggedIn ()
531 $cached = $cache- > cachedVersion ();
532 if (! empty ( $cached )) {
537 // If cached was not found (or not usable), then read the database and build the response:
538 // Read links from database (and filter private links if used it not logged in).
539 $LINKSDB = new LinkDB (
540 $conf- > get ( 'resource.datastore' ),
542 $conf- > get ( 'privacy.hide_public_links' ),
543 $conf- > get ( 'redirector.url' ),
544 $conf- > get ( 'redirector.encode_url' )
547 /* Some Shaarlies may have very few links, so we need to look
548 back in time (rsort()) until we have enough days ($nb_of_days).
550 $linkdates = array ();
551 foreach ( $LINKSDB as $linkdate => $value ) {
552 $linkdates [] = $linkdate ;
555 $nb_of_days = 7 ; // We take 7 days.
556 $today = date ( 'Ymd' );
559 foreach ( $linkdates as $linkdate ) {
560 $day = substr ( $linkdate , 0 , 8 ); // Extract day (without time)
561 if ( strcmp ( $day , $today ) < 0 ) {
562 if ( empty ( $days [ $day ])) {
563 $days [ $day ] = array ();
565 $days [ $day ][] = $linkdate ;
568 if ( count ( $days ) > $nb_of_days ) {
569 break ; // Have we collected enough days?
573 // Build the RSS feed.
574 header ( 'Content-Type: application/rss+xml; charset=utf-8' );
575 $pageaddr = escape ( index_url ( $_SERVER ));
576 echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">' ;
578 echo '<title>Daily - ' . $conf- > get ( 'general.title' ) . '</title>' ;
579 echo '<link>' . $pageaddr . '</link>' ;
580 echo '<description>Daily shared links</description>' ;
581 echo '<language>en-en</language>' ;
582 echo '<copyright>' . $pageaddr . '</copyright>' . PHP_EOL
;
585 foreach ( $days as $day => $linkdates ) {
586 $dayDate = DateTime
:: createFromFormat ( LinkDB
:: LINK_DATE_FORMAT
, $day . '_000000' );
587 $absurl = escape ( index_url ( $_SERVER ). '?do=daily&day=' . $day ); // Absolute URL of the corresponding "Daily" page.
589 // Build the HTML body of this RSS entry.
594 // We pre-format some fields for proper output.
595 foreach ( $linkdates as $linkdate ) {
596 $l = $LINKSDB [ $linkdate ];
597 $l [ 'formatedDescription' ] = format_description ( $l [ 'description' ], $conf- > get ( 'redirector.url' ));
598 $l [ 'thumbnail' ] = thumbnail ( $conf , $l [ 'url' ]);
599 $l_date = DateTime
:: createFromFormat ( LinkDB
:: LINK_DATE_FORMAT
, $l [ 'linkdate' ]);
600 $l [ 'timestamp' ] = $l_date- > getTimestamp ();
601 if ( startsWith ( $l [ 'url' ], '?' )) {
602 $l [ 'url' ] = index_url ( $_SERVER ) . $l [ 'url' ]; // make permalink URL absolute
604 $links [ $linkdate ] = $l ;
607 // Then build the HTML for this day:
609 $tpl- > assign ( 'title' , $conf- > get ( 'general.title' ));
610 $tpl- > assign ( 'daydate' , $dayDate- > getTimestamp ());
611 $tpl- > assign ( 'absurl' , $absurl );
612 $tpl- > assign ( 'links' , $links );
613 $tpl- > assign ( 'rssdate' , escape ( $dayDate- > format ( DateTime
:: RSS
)));
614 $tpl- > assign ( 'hide_timestamps' , $conf- > get ( 'privacy.hide_timestamps' , false ));
615 $html = $tpl- > draw ( 'dailyrss' , $return_string = true );
617 echo $html . PHP_EOL
;
619 echo '</channel></rss><!-- Cached version of ' . escape ( page_url ( $_SERVER )) . ' -->' ;
621 $cache- > cache ( ob_get_contents ());
627 * Show the 'Daily' page.
629 * @param PageBuilder $pageBuilder Template engine wrapper.
630 * @param LinkDB $LINKSDB LinkDB instance.
631 * @param ConfigManager $conf Configuration Manager instance.
632 * @param PluginManager $pluginManager Plugin Manager instane.
634 function showDaily ( $pageBuilder , $LINKSDB , $conf , $pluginManager )
636 $day = date ( 'Ymd' , strtotime ( '-1 day' )); // Yesterday, in format YYYYMMDD.
637 if ( isset ( $_GET [ 'day' ])) $day = $_GET [ 'day' ];
639 $days = $LINKSDB- > days ();
640 $i = array_search ( $day , $days );
641 if ( $i === false ) { $i
= count ( $days
)- 1 ; $day
= $days
[ $i
]; }
646 if ( $i >= 1 ) $previousday = $days [ $i-1 ];
647 if ( $i < count ( $days )- 1 ) $nextday = $days [ $i +
1 ];
651 $linksToDisplay = $LINKSDB- > filterDay ( $day );
652 } catch ( Exception
$exc ) {
654 $linksToDisplay = array ();
657 // We pre-format some fields for proper output.
658 foreach ( $linksToDisplay as $key => $link )
661 $taglist = explode ( ' ' , $link [ 'tags' ]);
662 uasort ( $taglist , 'strcasecmp' );
663 $linksToDisplay [ $key ][ 'taglist' ]= $taglist ;
664 $linksToDisplay [ $key ][ 'formatedDescription' ] = format_description ( $link [ 'description' ], $conf- > get ( 'redirector.url' ));
665 $linksToDisplay [ $key ][ 'thumbnail' ] = thumbnail ( $conf , $link [ 'url' ]);
666 $date = DateTime
:: createFromFormat ( LinkDB
:: LINK_DATE_FORMAT
, $link [ 'linkdate' ]);
667 $linksToDisplay [ $key ][ 'timestamp' ] = $date- > getTimestamp ();
670 /* We need to spread the articles on 3 columns.
671 I did not want to use a JavaScript lib like http://masonry.desandro.com/
672 so I manually spread entries with a simple method: I roughly evaluate the
673 height of a div according to title and description length.
675 $columns = array ( array (), array (), array ()); // Entries to display, for each column.
676 $fill = array ( 0 , 0 , 0 ); // Rough estimate of columns fill.
677 foreach ( $linksToDisplay as $key => $link )
679 // Roughly estimate length of entry (by counting characters)
680 // Title: 30 chars = 1 line. 1 line is 30 pixels height.
681 // Description: 836 characters gives roughly 342 pixel height.
682 // This is not perfect, but it's usually OK.
683 $length = strlen ( $link [ 'title' ]) +
( 342 * strlen ( $link [ 'description' ]))/ 836 ;
684 if ( $link [ 'thumbnail' ]) $length +
= 100 ; // 1 thumbnails roughly takes 100 pixels height.
685 // Then put in column which is the less filled:
686 $smallest = min ( $fill ); // find smallest value in array.
687 $index = array_search ( $smallest , $fill ); // find index of this smallest value.
688 array_push ( $columns [ $index ], $link ); // Put entry in this column.
689 $fill [ $index ] +
= $length ;
692 $dayDate = DateTime
:: createFromFormat ( LinkDB
:: LINK_DATE_FORMAT
, $day . '_000000' );
694 'linksToDisplay' => $linksToDisplay ,
696 'day' => $dayDate- > getTimestamp (),
697 'previousday' => $previousday ,
698 'nextday' => $nextday ,
701 $pluginManager- > executeHooks ( 'render_daily' , $data , array ( 'loggedin' => isLoggedIn ()));
703 foreach ( $data as $key => $value ) {
704 $pageBuilder- > assign ( $key , $value );
707 $pageBuilder- > renderPage ( 'daily' );
712 * Renders the linklist
714 * @param pageBuilder $PAGE pageBuilder instance.
715 * @param LinkDB $LINKSDB LinkDB instance.
716 * @param ConfigManager $conf Configuration Manager instance.
717 * @param PluginManager $pluginManager Plugin Manager instance.
719 function showLinkList ( $PAGE , $LINKSDB , $conf , $pluginManager ) {
720 buildLinkList ( $PAGE , $LINKSDB , $conf , $pluginManager ); // Compute list of links to display
721 $PAGE- > renderPage ( 'linklist' );
725 * Render HTML page (according to URL parameters and user rights)
727 * @param ConfigManager $conf Configuration Manager instance.
728 * @param PluginManager $pluginManager Plugin Manager instance,
730 function renderPage ( $conf , $pluginManager )
732 $LINKSDB = new LinkDB (
733 $conf- > get ( 'resource.datastore' ),
735 $conf- > get ( 'privacy.hide_public_links' ),
736 $conf- > get ( 'redirector.url' ),
737 $conf- > get ( 'redirector.encode_url' )
740 $updater = new Updater (
741 read_updates_file ( $conf- > get ( 'resource.updates' )),
747 $newUpdates = $updater- > update ();
748 if (! empty ( $newUpdates )) {
750 $conf- > get ( 'resource.updates' ),
751 $updater- > getDoneUpdates ()
755 catch ( Exception
$e ) {
756 die ( $e- > getMessage ());
759 $PAGE = new PageBuilder ( $conf );
760 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
761 $PAGE- > assign ( 'privateLinkcount' , count_private ( $LINKSDB ));
763 // Determine which page will be rendered.
764 $query = ( isset ( $_SERVER [ 'QUERY_STRING' ])) ? $_SERVER [ 'QUERY_STRING' ] : '' ;
765 $targetPage = Router
:: findPage ( $query , $_GET , isLoggedIn ());
767 // Call plugin hooks for header, footer and includes, specifying which page will be rendered.
768 // Then assign generated data to RainTPL.
769 $common_hooks = array (
775 foreach ( $common_hooks as $name ) {
776 $plugin_data = array ();
777 $pluginManager- > executeHooks ( 'render_' . $name , $plugin_data ,
779 'target' => $targetPage ,
780 'loggedin' => isLoggedIn ()
783 $PAGE- > assign ( 'plugins_' . $name , $plugin_data );
786 // -------- Display login form.
787 if ( $targetPage == Router
:: $PAGE_LOGIN )
789 if ( $conf- > get ( 'security.open_shaarli' )) { header ( 'Location: ?' ); exit ; } // No need to login for open Shaarli
790 if ( isset ( $_GET [ 'username' ])) {
791 $PAGE- > assign ( 'username' , escape ( $_GET [ 'username' ]));
793 $PAGE- > assign ( 'returnurl' ,( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]): '' ));
794 $PAGE- > renderPage ( 'loginform' );
797 // -------- User wants to logout.
798 if ( isset ( $_SERVER [ 'QUERY_STRING' ]) && startsWith ( $_SERVER [ 'QUERY_STRING' ], 'do=logout' ))
800 invalidateCaches ( $conf- > get ( 'resource.page_cache' ));
802 header ( 'Location: ?' );
806 // -------- Picture wall
807 if ( $targetPage == Router
:: $PAGE_PICWALL )
809 // Optionally filter the results:
810 $links = $LINKSDB- > filterSearch ( $_GET );
811 $linksToDisplay = array ();
813 // Get only links which have a thumbnail.
814 foreach ( $links as $link )
816 $permalink = '?' . escape ( smallhash ( $link [ 'linkdate' ]));
817 $thumb = lazyThumbnail ( $conf , $link [ 'url' ], $permalink );
818 if ( $thumb != '' ) // Only output links which have a thumbnail.
820 $link [ 'thumbnail' ]= $thumb ; // Thumbnail HTML code.
821 $linksToDisplay []= $link ; // Add to array.
826 'linksToDisplay' => $linksToDisplay ,
828 $pluginManager- > executeHooks ( 'render_picwall' , $data , array ( 'loggedin' => isLoggedIn ()));
830 foreach ( $data as $key => $value ) {
831 $PAGE- > assign ( $key , $value );
834 $PAGE- > renderPage ( 'picwall' );
838 // -------- Tag cloud
839 if ( $targetPage == Router
:: $PAGE_TAGCLOUD )
841 $tags = $LINKSDB- > allTags ();
843 // We sort tags alphabetically, then choose a font size according to count.
844 // First, find max value.
846 foreach ( $tags as $value ) {
847 $maxcount = max ( $maxcount , $value );
850 // Sort tags alphabetically: case insensitive, support locale if avalaible.
851 uksort ( $tags , function ( $a , $b ) {
852 // Collator is part of PHP intl.
853 if ( class_exists ( 'Collator' )) {
854 $c = new Collator ( setlocale ( LC_COLLATE
, 0 ));
855 if (! intl_is_failure ( intl_get_error_code ())) {
856 return $c- > compare ( $a , $b );
859 return strcasecmp ( $a , $b );
863 foreach ( $tags as $key => $value ) {
864 // Tag font size scaling:
865 // default 15 and 30 logarithm bases affect scaling,
866 // 22 and 6 are arbitrary font sizes for max and min sizes.
867 $size = log ( $value , 15 ) / log ( $maxcount , 30 ) * 2.2 +
0.8 ;
868 $tagList [ $key ] = array (
870 'size' => number_format ( $size , 2 , '.' , '' ),
877 $pluginManager- > executeHooks ( 'render_tagcloud' , $data , array ( 'loggedin' => isLoggedIn ()));
879 foreach ( $data as $key => $value ) {
880 $PAGE- > assign ( $key , $value );
883 $PAGE- > renderPage ( 'tagcloud' );
888 if ( $targetPage == Router
:: $PAGE_DAILY ) {
889 showDaily ( $PAGE , $LINKSDB , $conf , $pluginManager );
892 // ATOM and RSS feed.
893 if ( $targetPage == Router
:: $PAGE_FEED_ATOM || $targetPage == Router
:: $PAGE_FEED_RSS ) {
894 $feedType = $targetPage == Router
:: $PAGE_FEED_RSS ? FeedBuilder
:: $FEED_RSS : FeedBuilder
:: $FEED_ATOM ;
895 header ( 'Content-Type: application/' . $feedType . '+xml; charset=utf-8' );
898 $query = $_SERVER [ 'QUERY_STRING' ];
899 $cache = new CachedPage (
900 $conf- > get ( 'resource.page_cache' ),
902 startsWith ( $query , 'do=' . $targetPage ) && ! isLoggedIn ()
904 $cached = $cache- > cachedVersion ();
905 if (! empty ( $cached )) {
911 $feedGenerator = new FeedBuilder ( $LINKSDB , $feedType , $_SERVER , $_GET , isLoggedIn ());
912 $feedGenerator- > setLocale ( strtolower ( setlocale ( LC_COLLATE
, 0 )));
913 $feedGenerator- > setHideDates ( $conf- > get ( 'privacy.hide_timestamps' ) && ! isLoggedIn ());
914 $feedGenerator- > setUsePermalinks ( isset ( $_GET [ 'permalinks' ]) || ! $conf- > get ( 'feed.rss_permalinks' ));
915 $pshUrl = $conf- > get ( 'config.PUBSUBHUB_URL' );
916 if (! empty ( $pshUrl )) {
917 $feedGenerator- > setPubsubhubUrl ( $pshUrl );
919 $data = $feedGenerator- > buildData ();
921 // Process plugin hook.
922 $pluginManager- > executeHooks ( 'render_feed' , $data , array (
923 'loggedin' => isLoggedIn (),
924 'target' => $targetPage ,
927 // Render the template.
928 $PAGE- > assignAll ( $data );
929 $PAGE- > renderPage ( 'feed.' . $feedType );
930 $cache- > cache ( ob_get_contents ());
935 // Display openseach plugin (XML)
936 if ( $targetPage == Router
:: $PAGE_OPENSEARCH ) {
937 header ( 'Content-Type: application/xml; charset=utf-8' );
938 $PAGE- > assign ( 'serverurl' , index_url ( $_SERVER ));
939 $PAGE- > renderPage ( 'opensearch' );
943 // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...)
944 if ( isset ( $_GET [ 'addtag' ]))
946 // Get previous URL (http_referer) and add the tag to the searchtags parameters in query.
947 if ( empty ( $_SERVER [ 'HTTP_REFERER' ])) { header ( 'Location: ?searchtags=' . urlencode ( $_GET
[ 'addtag' ])); exit ; } // In case browser does not send HTTP_REFERER
948 parse_str ( parse_url ( $_SERVER [ 'HTTP_REFERER' ], PHP_URL_QUERY
), $params );
950 // Prevent redirection loop
951 if ( isset ( $params [ 'addtag' ])) {
952 unset ( $params [ 'addtag' ]);
955 // Check if this tag is already in the search query and ignore it if it is.
956 // Each tag is always separated by a space
957 if ( isset ( $params [ 'searchtags' ])) {
958 $current_tags = explode ( ' ' , $params [ 'searchtags' ]);
960 $current_tags = array ();
963 foreach ( $current_tags as $value ) {
964 if ( $value === $_GET [ 'addtag' ]) {
969 // Append the tag if necessary
970 if ( empty ( $params [ 'searchtags' ])) {
971 $params [ 'searchtags' ] = trim ( $_GET [ 'addtag' ]);
974 $params [ 'searchtags' ] = trim ( $params [ 'searchtags' ]). ' ' . trim ( $_GET [ 'addtag' ]);
977 unset ( $params [ 'page' ]); // We also remove page (keeping the same page has no sense, since the results are different)
978 header ( 'Location: ?' . http_build_query ( $params ));
982 // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...)
983 if ( isset ( $_GET [ 'removetag' ])) {
984 // Get previous URL (http_referer) and remove the tag from the searchtags parameters in query.
985 if ( empty ( $_SERVER [ 'HTTP_REFERER' ])) {
986 header ( 'Location: ?' );
990 // In case browser does not send HTTP_REFERER
991 parse_str ( parse_url ( $_SERVER [ 'HTTP_REFERER' ], PHP_URL_QUERY
), $params );
993 // Prevent redirection loop
994 if ( isset ( $params [ 'removetag' ])) {
995 unset ( $params [ 'removetag' ]);
998 if ( isset ( $params [ 'searchtags' ])) {
999 $tags = explode ( ' ' , $params [ 'searchtags' ]);
1000 // Remove value from array $tags.
1001 $tags = array_diff ( $tags , array ( $_GET [ 'removetag' ]));
1002 $params [ 'searchtags' ] = implode ( ' ' , $tags );
1004 if ( empty ( $params [ 'searchtags' ])) {
1005 unset ( $params [ 'searchtags' ]);
1008 unset ( $params [ 'page' ]); // We also remove page (keeping the same page has no sense, since the results are different)
1010 header ( 'Location: ?' . http_build_query ( $params ));
1014 // -------- User wants to change the number of links per page (linksperpage=...)
1015 if ( isset ( $_GET [ 'linksperpage' ])) {
1016 if ( is_numeric ( $_GET [ 'linksperpage' ])) {
1017 $_SESSION [ 'LINKS_PER_PAGE' ]= abs ( intval ( $_GET [ 'linksperpage' ]));
1020 header ( 'Location: ' . generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'linksperpage' )));
1024 // -------- User wants to see only private links (toggle)
1025 if ( isset ( $_GET [ 'privateonly' ])) {
1026 if ( empty ( $_SESSION [ 'privateonly' ])) {
1027 $_SESSION [ 'privateonly' ] = 1 ; // See only private links
1029 unset ( $_SESSION [ 'privateonly' ]); // See all links
1032 header ( 'Location: ' . generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'privateonly' )));
1036 // -------- Handle other actions allowed for non-logged in users:
1039 // User tries to post new link but is not logged in:
1040 // Show login screen, then redirect to ?post=...
1041 if ( isset ( $_GET [ 'post' ]))
1043 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.
1047 showLinkList ( $PAGE , $LINKSDB , $conf , $pluginManager );
1048 if ( isset ( $_GET [ 'edit_link' ])) {
1049 header ( 'Location: ?do=login&edit_link=' . escape ( $_GET [ 'edit_link' ]));
1053 exit ; // Never remove this one! All operations below are reserved for logged in user.
1056 // -------- All other functions are reserved for the registered user:
1058 // -------- Display the Tools menu if requested (import/export/bookmarklet...)
1059 if ( $targetPage == Router
:: $PAGE_TOOLS )
1062 'pageabsaddr' => index_url ( $_SERVER ),
1064 $pluginManager- > executeHooks ( 'render_tools' , $data );
1066 foreach ( $data as $key => $value ) {
1067 $PAGE- > assign ( $key , $value );
1070 $PAGE- > renderPage ( 'tools' );
1074 // -------- User wants to change his/her password.
1075 if ( $targetPage == Router
:: $PAGE_CHANGEPASSWORD )
1077 if ( $conf- > get ( 'security.open_shaarli' )) {
1078 die ( 'You are not supposed to change a password on an Open Shaarli.' );
1081 if (! empty ( $_POST [ 'setpassword' ]) && ! empty ( $_POST [ 'oldpassword' ]))
1083 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' ); // Go away!
1085 // Make sure old password is correct.
1086 $oldhash = sha1 ( $_POST [ 'oldpassword' ]. $conf- > get ( 'credentials.login' ). $conf- > get ( 'credentials.salt' ));
1087 if ( $oldhash != $conf- > get ( 'credentials.hash' )) { echo '<script>alert("The old password is not correct.");document.location= \' ?do=changepasswd \' ;</script>' ; exit ; }
1088 // Save new password
1089 // Salt renders rainbow-tables attacks useless.
1090 $conf- > set ( 'credentials.salt' , sha1 ( uniqid ( '' , true ) . '_' . mt_rand ()));
1091 $conf- > set ( 'credentials.hash' , sha1 ( $_POST [ 'setpassword' ] . $conf- > get ( 'credentials.login' ) . $conf- > get ( 'credentials.salt' )));
1093 $conf- > write ( isLoggedIn ());
1095 catch ( Exception
$e ) {
1097 'ERROR while writing config file after changing password.' . PHP_EOL
.
1101 // TODO: do not handle exceptions/errors in JS.
1102 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ?do=tools \' ;</script>' ;
1105 echo '<script>alert("Your password has been changed.");document.location= \' ?do=tools \' ;</script>' ;
1108 else // show the change password form.
1110 $PAGE- > renderPage ( 'changepassword' );
1115 // -------- User wants to change configuration
1116 if ( $targetPage == Router
:: $PAGE_CONFIGURE )
1118 if (! empty ( $_POST [ 'title' ]) )
1120 if (! tokenOk ( $_POST [ 'token' ])) {
1121 die ( 'Wrong token.' ); // Go away!
1124 if (! empty ( $_POST [ 'continent' ]) && ! empty ( $_POST [ 'city' ])
1125 && isTimeZoneValid ( $_POST [ 'continent' ], $_POST [ 'city' ])
1127 $tz = $_POST [ 'continent' ] . '/' . $_POST [ 'city' ];
1129 $conf- > set ( 'general.timezone' , $tz );
1130 $conf- > set ( 'general.title' , escape ( $_POST [ 'title' ]));
1131 $conf- > set ( 'general.header_link' , escape ( $_POST [ 'titleLink' ]));
1132 $conf- > set ( 'redirector.url' , escape ( $_POST [ 'redirector' ]));
1133 $conf- > set ( 'security.session_protection_disabled' , ! empty ( $_POST [ 'disablesessionprotection' ]));
1134 $conf- > set ( 'privacy.default_private_links' , ! empty ( $_POST [ 'privateLinkByDefault' ]));
1135 $conf- > set ( 'feed.rss_permalinks' , ! empty ( $_POST [ 'enableRssPermalinks' ]));
1136 $conf- > set ( 'updates.check_updates' , ! empty ( $_POST [ 'updateCheck' ]));
1137 $conf- > set ( 'privacy.hide_public_links' , ! empty ( $_POST [ 'hidePublicLinks' ]));
1139 $conf- > write ( isLoggedIn ());
1141 catch ( Exception
$e ) {
1143 'ERROR while writing config file after configuration update.' . PHP_EOL
.
1147 // TODO: do not handle exceptions/errors in JS.
1148 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ?do=configure \' ;</script>' ;
1151 echo '<script>alert("Configuration was saved.");document.location= \' ?do=configure \' ;</script>' ;
1154 else // Show the configuration form.
1156 $PAGE- > assign ( 'title' , $conf- > get ( 'general.title' ));
1157 $PAGE- > assign ( 'redirector' , $conf- > get ( 'redirector.url' ));
1158 list ( $timezone_form , $timezone_js ) = generateTimeZoneForm ( $conf- > get ( 'general.timezone' ));
1159 $PAGE- > assign ( 'timezone_form' , $timezone_form );
1160 $PAGE- > assign ( 'timezone_js' , $timezone_js );
1161 $PAGE- > assign ( 'private_links_default' , $conf- > get ( 'privacy.default_private_links' , false ));
1162 $PAGE- > assign ( 'session_protection_disabled' , $conf- > get ( 'security.session_protection_disabled' , false ));
1163 $PAGE- > assign ( 'enable_rss_permalinks' , $conf- > get ( 'feed.rss_permalinks' , false ));
1164 $PAGE- > assign ( 'enable_update_check' , $conf- > get ( 'updates.check_updates' , true ));
1165 $PAGE- > assign ( 'hide_public_links' , $conf- > get ( 'privacy.hide_public_links' , false ));
1166 $PAGE- > renderPage ( 'configure' );
1171 // -------- User wants to rename a tag or delete it
1172 if ( $targetPage == Router
:: $PAGE_CHANGETAG )
1174 if ( empty ( $_POST [ 'fromtag' ]) || ( empty ( $_POST [ 'totag' ]) && isset ( $_POST [ 'renametag' ]))) {
1175 $PAGE- > assign ( 'tags' , $LINKSDB- > allTags ());
1176 $PAGE- > renderPage ( 'changetag' );
1180 if (! tokenOk ( $_POST [ 'token' ])) {
1181 die ( 'Wrong token.' );
1185 if ( isset ( $_POST [ 'deletetag' ]) && ! empty ( $_POST [ 'fromtag' ])) {
1186 $needle = trim ( $_POST [ 'fromtag' ]);
1187 // True for case-sensitive tag search.
1188 $linksToAlter = $LINKSDB- > filterSearch ( array ( 'searchtags' => $needle ), true );
1189 foreach ( $linksToAlter as $key => $value )
1191 $tags = explode ( ' ' , trim ( $value [ 'tags' ]));
1192 unset ( $tags [ array_search ( $needle , $tags )]); // Remove tag.
1193 $value [ 'tags' ]= trim ( implode ( ' ' , $tags ));
1194 $LINKSDB [ $key ]= $value ;
1196 $LINKSDB- > savedb ( $conf- > get ( 'resource.page_cache' ));
1197 echo '<script>alert("Tag was removed from ' . count ( $linksToAlter ). ' links.");document.location= \' ? \' ;</script>' ;
1202 if ( isset ( $_POST [ 'renametag' ]) && ! empty ( $_POST [ 'fromtag' ]) && ! empty ( $_POST [ 'totag' ])) {
1203 $needle = trim ( $_POST [ 'fromtag' ]);
1204 // True for case-sensitive tag search.
1205 $linksToAlter = $LINKSDB- > filterSearch ( array ( 'searchtags' => $needle ), true );
1206 foreach ( $linksToAlter as $key => $value )
1208 $tags = explode ( ' ' , trim ( $value [ 'tags' ]));
1209 $tags [ array_search ( $needle , $tags )] = trim ( $_POST [ 'totag' ]); // Replace tags value.
1210 $value [ 'tags' ]= trim ( implode ( ' ' , $tags ));
1211 $LINKSDB [ $key ]= $value ;
1213 $LINKSDB- > savedb ( $conf- > get ( 'resource.page_cache' )); // Save to disk.
1214 echo '<script>alert("Tag was renamed in ' . count ( $linksToAlter ). ' links.");document.location= \' ?searchtags=' . urlencode ( $_POST [ 'totag' ]). ' \' ;</script>' ;
1219 // -------- User wants to add a link without using the bookmarklet: Show form.
1220 if ( $targetPage == Router
:: $PAGE_ADDLINK )
1222 $PAGE- > renderPage ( 'addlink' );
1226 // -------- User clicked the "Save" button when editing a link: Save link to database.
1227 if ( isset ( $_POST [ 'save_edit' ]))
1230 if (! tokenOk ( $_POST [ 'token' ])) {
1231 die ( 'Wrong token.' );
1233 // Remove multiple spaces.
1234 $tags = trim ( preg_replace ( '/\s\s+/' , ' ' , $_POST [ 'lf_tags' ]));
1235 // Remove first '-' char in tags.
1236 $tags = preg_replace ( '/(^| )\-/' , ' $1' , $tags );
1237 // Remove duplicates.
1238 $tags = implode(' ', array_unique(explode(' ', $tags )));
1239 $linkdate = $_POST [' lf_linkdate
'];
1240 $url = trim( $_POST [' lf_url
']);
1241 if (! startsWith( $url , ' http
: ') && ! startsWith( $url , ' https
: ')
1242 && ! startsWith( $url , ' ftp
: ') && ! startsWith( $url , ' magnet
: ')
1243 && ! startsWith( $url , ' ? ') && ! startsWith( $url , ' javascript
: ')
1245 $url = ' http
: //' . $url;
1249 'title' => trim ( $_POST [ 'lf_title' ]),
1251 'description' => $_POST [ 'lf_description' ],
1252 'private' => ( isset ( $_POST [ 'lf_private' ]) ? 1 : 0 ),
1253 'linkdate' => $linkdate ,
1254 'tags' => str_replace ( ',' , ' ' , $tags )
1256 // If title is empty, use the URL as title.
1257 if ( $link [ 'title' ] == '' ) {
1258 $link [ 'title' ] = $link [ 'url' ];
1261 $pluginManager- > executeHooks ( 'save_link' , $link );
1263 $LINKSDB [ $linkdate ] = $link ;
1264 $LINKSDB- > savedb ( $conf- > get ( 'resource.page_cache' ));
1267 // If we are called from the bookmarklet, we must close the popup:
1268 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) {
1269 echo '<script>self.close();</script>' ;
1273 $returnurl = ! empty ( $_POST [ 'returnurl' ]) ? $_POST [ 'returnurl' ] : '?' ;
1274 $location = generateLocation ( $returnurl , $_SERVER [ 'HTTP_HOST' ], array ( 'addlink' , 'post' , 'edit_link' ));
1275 // Scroll to the link which has been edited.
1276 $location .= '#' . smallHash ( $_POST [ 'lf_linkdate' ]);
1277 // After saving the link, redirect to the page the user was on.
1278 header ( 'Location: ' . $location );
1282 // -------- User clicked the "Cancel" button when editing a link.
1283 if ( isset ( $_POST [ 'cancel_edit' ]))
1285 // If we are called from the bookmarklet, we must close the popup:
1286 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) { echo '<script>self.close();</script>' ; exit ; }
1287 $returnurl = ( isset ( $_POST [ 'returnurl' ]) ? $_POST [ 'returnurl' ] : '?' );
1288 $returnurl .= '#' . smallHash ( $_POST [ 'lf_linkdate' ]); // Scroll to the link which has been edited.
1289 $returnurl = generateLocation ( $returnurl , $_SERVER [ 'HTTP_HOST' ], array ( 'addlink' , 'post' , 'edit_link' ));
1290 header ( 'Location: ' . $returnurl ); // After canceling, redirect to the page the user was on.
1294 // -------- User clicked the "Delete" button when editing a link: Delete link from database.
1295 if ( isset ( $_POST [ 'delete_link' ]))
1297 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' );
1298 // We do not need to ask for confirmation:
1299 // - confirmation is handled by JavaScript
1300 // - we are protected from XSRF by the token.
1301 $linkdate = $_POST [ 'lf_linkdate' ];
1303 $pluginManager- > executeHooks ( 'delete_link' , $LINKSDB [ $linkdate ]);
1305 unset ( $LINKSDB [ $linkdate ]);
1306 $LINKSDB- > savedb ( 'resource.page_cache' ); // save to disk
1308 // If we are called from the bookmarklet, we must close the popup:
1309 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) { echo '<script>self.close();</script>' ; exit ; }
1310 // Pick where we're going to redirect
1311 // =============================================================
1312 // Basically, we can't redirect to where we were previously if it was a permalink
1313 // or an edit_link, because it would 404.
1315 // - / : nothing in $_GET, redirect to self
1316 // - /?page : redirect to self
1317 // - /?searchterm : redirect to self (there might be other links)
1318 // - /?searchtags : redirect to self
1319 // - /permalink : redirect to / (the link does not exist anymore)
1320 // - /?edit_link : redirect to / (the link does not exist anymore)
1321 // PHP treats the permalink as a $_GET variable, so we need to check if every condition for self
1322 // redirect is not satisfied, and only then redirect to /
1325 if ( count ( $_GET ) == 0
1326 || isset ( $_GET [ 'page' ])
1327 || isset ( $_GET [ 'searchterm' ])
1328 || isset ( $_GET [ 'searchtags' ])
1330 if ( isset ( $_POST [ 'returnurl' ])) {
1331 $location = $_POST [ 'returnurl' ]; // Handle redirects given by the form
1333 $location = generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'delete_link' ));
1337 header ( 'Location: ' . $location ); // After deleting the link, redirect to appropriate location
1341 // -------- User clicked the "EDIT" button on a link: Display link edit form.
1342 if ( isset ( $_GET [ 'edit_link' ]))
1344 $link = $LINKSDB [ $_GET [ 'edit_link' ]]; // Read database
1345 if (! $link ) { header ( 'Location: ?' ); exit ; } // Link not found in database.
1348 'link_is_new' => false ,
1349 'http_referer' => ( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]) : '' ),
1350 'tags' => $LINKSDB- > allTags (),
1352 $pluginManager- > executeHooks ( 'render_editlink' , $data );
1354 foreach ( $data as $key => $value ) {
1355 $PAGE- > assign ( $key , $value );
1358 $PAGE- > renderPage ( 'editlink' );
1362 // -------- User want to post a new link: Display link edit form.
1363 if ( isset ( $_GET [ 'post' ])) {
1364 $url = cleanup_url ( $_GET [ 'post' ]);
1366 $link_is_new = false ;
1367 // Check if URL is not already in database (in this case, we will edit the existing link)
1368 $link = $LINKSDB- > getLinkFromUrl ( $url );
1371 $link_is_new = true ;
1372 $linkdate = strval ( date ( 'Ymd_His' ));
1373 // Get title if it was provided in URL (by the bookmarklet).
1374 $title = empty ( $_GET [ 'title' ]) ? '' : escape ( $_GET [ 'title' ]);
1375 // Get description if it was provided in URL (by the bookmarklet). [Bronco added that]
1376 $description = empty ( $_GET [ 'description' ]) ? '' : escape ( $_GET [ 'description' ]);
1377 $tags = empty ( $_GET [ 'tags' ]) ? '' : escape ( $_GET [ 'tags' ]);
1378 $private = ! empty ( $_GET [ 'private' ]) && $_GET [ 'private' ] === "1" ? 1 : 0 ;
1379 // 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.)
1380 if ( empty ( $title ) && strpos ( get_url_scheme ( $url ), 'http' ) !== false ) {
1381 // Short timeout to keep the application responsive
1382 list ( $headers , $content ) = get_http_response ( $url , 4 );
1383 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
1384 // Retrieve charset.
1385 $charset = get_charset ( $headers , $content );
1387 $title = html_extract_title ( $content );
1388 // Re-encode title in utf-8 if necessary.
1389 if (! empty ( $title ) && strtolower ( $charset ) != 'utf-8' ) {
1390 $title = mb_convert_encoding ( $title , 'utf-8' , $charset );
1396 $url = '?' . smallHash ( $linkdate );
1399 $url = escape ( $url );
1400 $title = escape ( $title );
1403 'linkdate' => $linkdate ,
1406 'description' => $description ,
1408 'private' => $private
1414 'link_is_new' => $link_is_new ,
1415 'http_referer' => ( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]) : '' ),
1416 'source' => ( isset ( $_GET [ 'source' ]) ? $_GET [ 'source' ] : '' ),
1417 'tags' => $LINKSDB- > allTags (),
1418 'default_private_links' => $conf- > get ( 'privacy.default_private_links' , false ),
1420 $pluginManager- > executeHooks ( 'render_editlink' , $data );
1422 foreach ( $data as $key => $value ) {
1423 $PAGE- > assign ( $key , $value );
1426 $PAGE- > renderPage ( 'editlink' );
1430 if ( $targetPage == Router
:: $PAGE_EXPORT ) {
1431 // Export links as a Netscape Bookmarks file
1433 if ( empty ( $_GET [ 'selection' ])) {
1434 $PAGE- > renderPage ( 'export' );
1438 // export as bookmarks_(all|private|public)_YYYYmmdd_HHMMSS.html
1439 $selection = $_GET [ 'selection' ];
1440 if ( isset ( $_GET [ 'prepend_note_url' ])) {
1441 $prependNoteUrl = $_GET [ 'prepend_note_url' ];
1443 $prependNoteUrl = false ;
1449 NetscapeBookmarkUtils
:: filterAndFormat (
1456 } catch ( Exception
$exc ) {
1457 header ( 'Content-Type: text/plain; charset=utf-8' );
1458 echo $exc- > getMessage ();
1461 $now = new DateTime ();
1462 header ( 'Content-Type: text/html; charset=utf-8' );
1464 'Content-disposition: attachment; filename=bookmarks_'
1465 . $selection . '_' . $now- > format ( LinkDB
:: LINK_DATE_FORMAT
). '.html'
1467 $PAGE- > assign ( 'date' , $now- > format ( DateTime
:: RFC822
));
1468 $PAGE- > assign ( 'eol' , PHP_EOL
);
1469 $PAGE- > assign ( 'selection' , $selection );
1470 $PAGE- > renderPage ( 'export.bookmarks' );
1474 if ( $targetPage == Router
:: $PAGE_IMPORT ) {
1475 // Upload a Netscape bookmark dump to import its contents
1477 if (! isset ( $_POST [ 'token' ]) || ! isset ( $_FILES [ 'filetoupload' ])) {
1478 // Show import dialog
1479 $PAGE- > assign ( 'maxfilesize' , getMaxFileSize ());
1480 $PAGE- > renderPage ( 'import' );
1484 // Import bookmarks from an uploaded file
1485 if ( isset ( $_FILES [ 'filetoupload' ][ 'size' ]) && $_FILES [ 'filetoupload' ][ 'size' ] == 0 ) {
1486 // The file is too big or some form field may be missing.
1487 echo '<script>alert("The file you are trying to upload is probably'
1488 . ' bigger than what this webserver can accept ('
1489 . getMaxFileSize (). ' bytes).'
1490 . ' Please upload in smaller chunks.");document.location= \' ?do='
1491 . Router
:: $PAGE_IMPORT . ' \' ;</script>' ;
1494 if (! tokenOk ( $_POST [ 'token' ])) {
1495 die ( 'Wrong token.' );
1497 $status = NetscapeBookmarkUtils
:: import (
1501 $conf- > get ( 'resource.page_cache' )
1503 echo '<script>alert("' . $status . '");document.location= \' ?do='
1504 . Router
:: $PAGE_IMPORT . ' \' ;</script>' ;
1508 // Plugin administration page
1509 if ( $targetPage == Router
:: $PAGE_PLUGINSADMIN ) {
1510 $pluginMeta = $pluginManager- > getPluginsMeta ();
1512 // Split plugins into 2 arrays: ordered enabled plugins and disabled.
1513 $enabledPlugins = array_filter ( $pluginMeta , function ( $v ) { return $v
[ 'order' ] !== false ; });
1515 $enabledPlugins = load_plugin_parameter_values ( $enabledPlugins , $conf- > get ( 'plugins' , array ()));
1518 function ( $a , $b ) { return $a
[ 'order' ] - $b
[ 'order' ]; }
1520 $disabledPlugins = array_filter ( $pluginMeta , function ( $v ) { return $v
[ 'order' ] === false ; });
1522 $PAGE- > assign ( 'enabledPlugins' , $enabledPlugins );
1523 $PAGE- > assign ( 'disabledPlugins' , $disabledPlugins );
1524 $PAGE- > renderPage ( 'pluginsadmin' );
1528 // Plugin administration form action
1529 if ( $targetPage == Router
:: $PAGE_SAVE_PLUGINSADMIN ) {
1531 if ( isset ( $_POST [ 'parameters_form' ])) {
1532 unset ( $_POST [ 'parameters_form' ]);
1533 foreach ( $_POST as $param => $value ) {
1534 $conf- > set ( 'plugins.' . $param , escape ( $value ));
1538 $conf- > set ( 'general.enabled_plugins' , save_plugin_config ( $_POST ));
1540 $conf- > write ( isLoggedIn ());
1542 catch ( Exception
$e ) {
1544 'ERROR while saving plugin configuration:.' . PHP_EOL
.
1548 // TODO: do not handle exceptions/errors in JS.
1549 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ?do=' . Router
:: $PAGE_PLUGINSADMIN . ' \' ;</script>' ;
1552 header ( 'Location: ?do=' . Router
:: $PAGE_PLUGINSADMIN );
1556 // -------- Otherwise, simply display search form and links:
1557 showLinkList ( $PAGE , $LINKSDB , $conf , $pluginManager );
1562 * Template for the list of links (<div id="linklist">)
1563 * This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
1565 * @param pageBuilder $PAGE pageBuilder instance.
1566 * @param LinkDB $LINKSDB LinkDB instance.
1567 * @param ConfigManager $conf Configuration Manager instance.
1568 * @param PluginManager $pluginManager Plugin Manager instance.
1570 function buildLinkList ( $PAGE , $LINKSDB , $conf , $pluginManager )
1572 // Used in templates
1573 $searchtags = ! empty ( $_GET [ 'searchtags' ]) ? escape ( $_GET [ 'searchtags' ]) : '' ;
1574 $searchterm = ! empty ( $_GET [ 'searchterm' ]) ? escape ( $_GET [ 'searchterm' ]) : '' ;
1577 if (! empty ( $_SERVER [ 'QUERY_STRING' ])
1578 && preg_match ( '/^[a-zA-Z0-9-_@] {6} ( $| &|#)/' , $_SERVER [ 'QUERY_STRING' ])) {
1580 $linksToDisplay = $LINKSDB- > filterHash ( $_SERVER [ 'QUERY_STRING' ]);
1581 } catch ( LinkNotFoundException
$e ) {
1582 $PAGE- > render404 ( $e- > getMessage ());
1586 // Filter links according search parameters.
1587 $privateonly = ! empty ( $_SESSION [ 'privateonly' ]);
1588 $linksToDisplay = $LINKSDB- > filterSearch ( $_GET , false , $privateonly );
1591 // ---- Handle paging.
1593 foreach ( $linksToDisplay as $key => $value ) {
1599 // Select articles according to paging.
1600 $pagecount = ceil ( count ( $keys ) / $_SESSION [ 'LINKS_PER_PAGE' ]);
1601 $pagecount = $pagecount == 0 ? 1 : $pagecount ;
1602 $page = empty ( $_GET [ 'page' ]) ? 1 : intval ( $_GET [ 'page' ]);
1603 $page = $page < 1 ? 1 : $page ;
1604 $page = $page > $pagecount ? $pagecount : $page ;
1606 $i = ( $page-1 ) * $_SESSION [ 'LINKS_PER_PAGE' ];
1607 $end = $i +
$_SESSION [ 'LINKS_PER_PAGE' ];
1608 $linkDisp = array ();
1609 while ( $i < $end && $i < count ( $keys ))
1611 $link = $linksToDisplay [ $keys [ $i ]];
1612 $link [ 'description' ] = format_description ( $link [ 'description' ], $conf- > get ( 'redirector.url' ));
1613 $classLi = ( $i %
2 ) != 0 ? '' : 'publicLinkHightLight' ;
1614 $link [ 'class' ] = $link [ 'private' ] == 0 ? $classLi : 'private' ;
1615 $date = DateTime
:: createFromFormat ( LinkDB
:: LINK_DATE_FORMAT
, $link [ 'linkdate' ]);
1616 $link [ 'timestamp' ] = $date- > getTimestamp ();
1617 $taglist = explode ( ' ' , $link [ 'tags' ]);
1618 uasort ( $taglist , 'strcasecmp' );
1619 $link [ 'taglist' ] = $taglist ;
1620 $link [ 'shorturl' ] = smallHash ( $link [ 'linkdate' ]);
1621 // Check for both signs of a note: starting with ? and 7 chars long.
1622 if ( $link [ 'url' ][ 0 ] === '?' &&
1623 strlen ( $link [ 'url' ]) === 7 ) {
1624 $link [ 'url' ] = index_url ( $_SERVER ) . $link [ 'url' ];
1627 $linkDisp [ $keys [ $i ]] = $link ;
1631 // Compute paging navigation
1632 $searchtagsUrl = empty ( $searchtags ) ? '' : '&searchtags=' . urlencode ( $searchtags );
1633 $searchtermUrl = empty ( $searchterm ) ? '' : '&searchterm=' . urlencode ( $searchterm );
1634 $previous_page_url = '' ;
1635 if ( $i != count ( $keys )) {
1636 $previous_page_url = '?page=' . ( $page +
1 ) . $searchtermUrl . $searchtagsUrl ;
1640 $next_page_url = '?page=' . ( $page-1 ) . $searchtermUrl . $searchtagsUrl ;
1643 $token = isLoggedIn () ? getToken ( $conf ) : '' ;
1645 // Fill all template fields.
1647 'previous_page_url' => $previous_page_url ,
1648 'next_page_url' => $next_page_url ,
1649 'page_current' => $page ,
1650 'page_max' => $pagecount ,
1651 'result_count' => count ( $linksToDisplay ),
1652 'search_term' => $searchterm ,
1653 'search_tags' => $searchtags ,
1654 'redirector' => $conf- > get ( 'redirector.url' ), // Optional redirector URL.
1655 'links' => $linkDisp ,
1656 'tags' => $LINKSDB- > allTags (),
1659 // If there is only a single link, we change on-the-fly the title of the page.
1660 if ( count ( $linksToDisplay ) == 1 ) {
1661 $data [ 'pagetitle' ] = $linksToDisplay [ $keys [ 0 ]][ 'title' ] . ' - ' . $conf- > get ( 'general.title' );
1664 $pluginManager- > executeHooks ( 'render_linklist' , $data , array ( 'loggedin' => isLoggedIn ()));
1666 foreach ( $data as $key => $value ) {
1667 $PAGE- > assign ( $key , $value );
1674 * Compute the thumbnail for a link.
1676 * With a link to the original URL.
1677 * Understands various services (youtube.com...)
1678 * Input: $url = URL for which the thumbnail must be found.
1679 * $href = if provided, this URL will be followed instead of $url
1680 * Returns an associative array with thumbnail attributes (src,href,width,height,style,alt)
1681 * Some of them may be missing.
1682 * Return an empty array if no thumbnail available.
1684 * @param ConfigManager $conf Configuration Manager instance.
1685 * @param string $url
1686 * @param string|bool $href
1690 function computeThumbnail ( $conf , $url , $href = false )
1692 if (! $conf- > get ( 'thumbnail.enable_thumbnails' )) return array ();
1693 if ( $href == false ) $href = $url ;
1695 // For most hosts, the URL of the thumbnail can be easily deduced from the URL of the link.
1696 // (e.g. http://www.youtube.com/watch?v=spVypYk4kto ---> http://img.youtube.com/vi/spVypYk4kto/default.jpg )
1697 // ^^^^^^^^^^^ ^^^^^^^^^^^
1698 $domain = parse_url ( $url , PHP_URL_HOST
);
1699 if ( $domain == 'youtube.com' || $domain == 'www.youtube.com' )
1701 parse_str ( parse_url ( $url , PHP_URL_QUERY
), $params ); // Extract video ID and get thumbnail
1702 if (! empty ( $params [ 'v' ])) return array ( 'src' => 'https://img.youtube.com/vi/' . $params [ 'v' ]. '/default.jpg' ,
1703 'href' => $href , 'width' => '120' , 'height' => '90' , 'alt' => 'YouTube thumbnail' );
1705 if ( $domain == 'youtu.be' ) // Youtube short links
1707 $path = parse_url ( $url , PHP_URL_PATH
);
1708 return array ( 'src' => 'https://img.youtube.com/vi' . $path . '/default.jpg' ,
1709 'href' => $href , 'width' => '120' , 'height' => '90' , 'alt' => 'YouTube thumbnail' );
1711 if ( $domain == 'pix.toile-libre.org' ) // pix.toile-libre.org image hosting
1713 parse_str ( parse_url ( $url , PHP_URL_QUERY
), $params ); // Extract image filename.
1714 if (! empty ( $params ) && ! empty ( $params [ 'img' ])) return array ( 'src' => 'http://pix.toile-libre.org/upload/thumb/' . urlencode ( $params [ 'img' ]),
1715 'href' => $href , 'style' => 'max-width:120px; max-height:150px' , 'alt' => 'pix.toile-libre.org thumbnail' );
1718 if ( $domain == 'imgur.com' )
1720 $path = parse_url ( $url , PHP_URL_PATH
);
1721 if ( startsWith ( $path , '/a/' )) return array (); // Thumbnails for albums are not available.
1722 if ( startsWith ( $path , '/r/' )) return array ( 'src' => 'https://i.imgur.com/' . basename ( $path ). 's.jpg' ,
1723 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
1724 if ( startsWith ( $path , '/gallery/' )) return array ( 'src' => 'https://i.imgur.com' . substr ( $path , 8 ). 's.jpg' ,
1725 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
1727 if ( substr_count ( $path , '/' )== 1 ) return array ( 'src' => 'https://i.imgur.com/' . substr ( $path , 1 ). 's.jpg' ,
1728 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
1730 if ( $domain == 'i.imgur.com' )
1732 $pi = pathinfo ( parse_url ( $url , PHP_URL_PATH
));
1733 if (! empty ( $pi [ 'filename' ])) return array ( 'src' => 'https://i.imgur.com/' . $pi [ 'filename' ]. 's.jpg' ,
1734 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
1736 if ( $domain == 'dailymotion.com' || $domain == 'www.dailymotion.com' )
1738 if ( strpos ( $url , 'dailymotion.com/video/' )!== false )
1740 $thumburl = str_replace ( 'dailymotion.com/video/' , 'dailymotion.com/thumbnail/video/' , $url );
1741 return array ( 'src' => $thumburl ,
1742 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'DailyMotion thumbnail' );
1745 if ( endsWith ( $domain , '.imageshack.us' ))
1747 $ext = strtolower ( pathinfo ( $url , PATHINFO_EXTENSION
));
1748 if ( $ext == 'jpg' || $ext == 'jpeg' || $ext == 'png' || $ext == 'gif' )
1750 $thumburl = substr ( $url , 0 , strlen ( $url )- strlen ( $ext )). 'th.' . $ext ;
1751 return array ( 'src' => $thumburl ,
1752 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'imageshack.us thumbnail' );
1756 // Some other hosts are SLOW AS HELL and usually require an extra HTTP request to get the thumbnail URL.
1757 // So we deport the thumbnail generation in order not to slow down page generation
1758 // (and we also cache the thumbnail)
1760 if (! $conf- > get ( 'thumbnail.enable_localcache' )) return array (); // If local cache is disabled, no thumbnails for services which require the use a local cache.
1762 if ( $domain == 'flickr.com' || endsWith ( $domain , '.flickr.com' )
1763 || $domain == 'vimeo.com'
1764 || $domain == 'ted.com' || endsWith ( $domain , '.ted.com' )
1765 || $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' )
1768 if ( $domain == 'vimeo.com' )
1769 { // Make sure this vimeo URL points to a video (/xxx... where xxx is numeric)
1770 $path = parse_url ( $url , PHP_URL_PATH
);
1771 if (! preg_match ( '!/\d+.+?!' , $path )) return array (); // This is not a single video URL.
1773 if ( $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' ))
1774 { // Make sure this URL points to a single comic (/xxx... where xxx is numeric)
1775 $path = parse_url ( $url , PHP_URL_PATH
);
1776 if (! preg_match ( '!/\d+.+?!' , $path )) return array ();
1778 if ( $domain == 'ted.com' || endsWith ( $domain , '.ted.com' ))
1779 { // Make sure this TED URL points to a video (/talks/...)
1780 $path = parse_url ( $url , PHP_URL_PATH
);
1781 if ( "/talks/" !== substr ( $path , 0 , 7 )) return array (); // This is not a single video URL.
1783 $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)
1784 return array ( 'src' => index_url ( $_SERVER ). '?do=genthumbnail&hmac=' . $sign . '&url=' . urlencode ( $url ),
1785 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'thumbnail' );
1788 // For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif
1789 // Technically speaking, we should download ALL links and check their Content-Type to see if they are images.
1790 // But using the extension will do.
1791 $ext = strtolower ( pathinfo ( $url , PATHINFO_EXTENSION
));
1792 if ( $ext == 'jpg' || $ext == 'jpeg' || $ext == 'png' || $ext == 'gif' )
1794 $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)
1795 return array ( 'src' => index_url ( $_SERVER ). '?do=genthumbnail&hmac=' . $sign . '&url=' . urlencode ( $url ),
1796 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'thumbnail' );
1798 return array (); // No thumbnail.
1803 // Returns the HTML code to display a thumbnail for a link
1804 // with a link to the original URL.
1805 // Understands various services (youtube.com...)
1806 // Input: $url = URL for which the thumbnail must be found.
1807 // $href = if provided, this URL will be followed instead of $url
1808 // Returns '' if no thumbnail available.
1809 function thumbnail ( $url , $href = false )
1813 $t = computeThumbnail ( $conf , $url , $href );
1814 if ( count ( $t )== 0 ) return '' ; // Empty array = no thumbnail for this URL.
1816 $html = '<a href="' . escape ( $t [ 'href' ]). '"><img src="' . escape ( $t [ 'src' ]). '"' ;
1817 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
1818 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
1819 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
1820 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
1825 // Returns the HTML code to display a thumbnail for a link
1826 // for the picture wall (using lazy image loading)
1827 // Understands various services (youtube.com...)
1828 // Input: $url = URL for which the thumbnail must be found.
1829 // $href = if provided, this URL will be followed instead of $url
1830 // Returns '' if no thumbnail available.
1831 function lazyThumbnail ( $conf , $url , $href = false )
1835 $t = computeThumbnail ( $conf , $url , $href );
1836 if ( count ( $t )== 0 ) return '' ; // Empty array = no thumbnail for this URL.
1838 $html = '<a href="' . escape ( $t [ 'href' ]). '">' ;
1841 $html .= '<img class="b-lazy" src="#" data-src="' . escape ( $t [ 'src' ]). '"' ;
1843 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
1844 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
1845 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
1846 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
1849 // No-JavaScript fallback.
1850 $html .= '<noscript><img src="' . escape ( $t [ 'src' ]). '"' ;
1851 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
1852 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
1853 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
1854 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
1855 $html .= '></noscript></a>' ;
1863 * This function should NEVER be called if the file data/config.php exists.
1865 * @param ConfigManager $conf Configuration Manager instance.
1867 function install ( $conf )
1869 // On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
1870 if ( endsWith ( $_SERVER [ 'HTTP_HOST' ], '.free.fr' ) && ! is_dir ( $_SERVER [ 'DOCUMENT_ROOT' ]. '/sessions' )) mkdir ( $_SERVER [ 'DOCUMENT_ROOT' ]. '/sessions' , 0705 );
1873 // This part makes sure sessions works correctly.
1874 // (Because on some hosts, session.save_path may not be set correctly,
1875 // or we may not have write access to it.)
1876 if ( isset ( $_GET [ 'test_session' ]) && ( ! isset ( $_SESSION ) || ! isset ( $_SESSION [ 'session_tested' ]) || $_SESSION [ 'session_tested' ]!= 'Working' ))
1877 { // Step 2: Check if data in session is correct.
1878 echo '<pre>Sessions do not seem to work correctly on your server.<br>' ;
1879 echo 'Make sure the variable session.save_path is set correctly in your php config, and that you have write access to it.<br>' ;
1880 echo 'It currently points to ' . session_save_path (). '<br>' ;
1881 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>' ;
1882 echo '<br><a href="?">Click to try again.</a></pre>' ;
1885 if (! isset ( $_SESSION [ 'session_tested' ]))
1886 { // Step 1 : Try to store data in session and reload page.
1887 $_SESSION [ 'session_tested' ] = 'Working' ; // Try to set a variable in session.
1888 header ( 'Location: ' . index_url ( $_SERVER ). '?test_session' ); // Redirect to check stored data.
1890 if ( isset ( $_GET [ 'test_session' ]))
1891 { // Step 3: Sessions are OK. Remove test parameter from URL.
1892 header ( 'Location: ' . index_url ( $_SERVER ));
1896 if (! empty ( $_POST [ 'setlogin' ]) && ! empty ( $_POST [ 'setpassword' ]))
1899 if (! empty ( $_POST [ 'continent' ]) && ! empty ( $_POST [ 'city' ])
1900 && isTimeZoneValid ( $_POST [ 'continent' ], $_POST [ 'city' ])
1902 $tz = $_POST [ 'continent' ]. '/' . $_POST [ 'city' ];
1904 $conf- > set ( 'general.timezone' , $tz );
1905 $login = $_POST [ 'setlogin' ];
1906 $conf- > set ( 'credentials.login' , $login );
1907 $salt = sha1 ( uniqid ( '' , true ) . '_' . mt_rand ());
1908 $conf- > set ( 'credentials.salt' , $salt );
1909 $conf- > set ( 'credentials.hash' , sha1 ( $_POST [ 'setpassword' ] . $login . $salt ));
1910 if (! empty ( $_POST [ 'title' ])) {
1911 $conf- > set ( 'general.title' , escape ( $_POST [ 'title' ]));
1913 $conf- > set ( 'general.title' , 'Shared links on ' . escape ( index_url ( $_SERVER )));
1915 $conf- > set ( 'updates.check_updates' , ! empty ( $_POST [ 'updateCheck' ]));
1917 // Everything is ok, let's create config file.
1918 $conf- > write ( isLoggedIn ());
1920 catch ( Exception
$e ) {
1922 'ERROR while writing config file after installation.' . PHP_EOL
.
1926 // TODO: do not handle exceptions/errors in JS.
1927 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ? \' ;</script>' ;
1930 echo '<script>alert("Shaarli is now configured. Please enter your login/password and start shaaring your links!");document.location= \' ?do=login \' ;</script>' ;
1934 // Display config form:
1935 list ( $timezone_form , $timezone_js ) = generateTimeZoneForm ();
1936 $timezone_html = '' ;
1937 if ( $timezone_form != '' ) {
1938 $timezone_html = '<tr><td><b>Timezone:</b></td><td>' . $timezone_form . '</td></tr>' ;
1941 $PAGE = new PageBuilder ( $conf );
1942 $PAGE- > assign ( 'timezone_html' , $timezone_html );
1943 $PAGE- > assign ( 'timezone_js' , $timezone_js );
1944 $PAGE- > renderPage ( 'install' );
1949 * Because some f*cking services like flickr require an extra HTTP request to get the thumbnail URL,
1950 * I have deported the thumbnail URL code generation here, otherwise this would slow down page generation.
1951 * The following function takes the URL a link (e.g. a flickr page) and return the proper thumbnail.
1952 * This function is called by passing the URL:
1953 * http://mywebsite.com/shaarli/?do=genthumbnail&hmac=[HMAC]&url=[URL]
1954 * [URL] is the URL of the link (e.g. a flickr page)
1955 * [HMAC] is the signature for the [URL] (so that these URL cannot be forged).
1956 * The function below will fetch the image from the webservice and store it in the cache.
1958 * @param ConfigManager $conf Configuration Manager instance,
1960 function genThumbnail ( $conf )
1962 // Make sure the parameters in the URL were generated by us.
1963 $sign = hash_hmac ( 'sha256' , $_GET [ 'url' ], $conf- > get ( 'credentials.salt' ));
1964 if ( $sign != $_GET [ 'hmac' ]) die ( 'Naughty boy!' );
1966 $cacheDir = $conf- > get ( 'resource.thumbnails_cache' , 'cache' );
1967 // Let's see if we don't already have the image for this URL in the cache.
1968 $thumbname = hash ( 'sha1' , $_GET [ 'url' ]). '.jpg' ;
1969 if ( is_file ( $cacheDir . '/' . $thumbname ))
1970 { // We have the thumbnail, just serve it:
1971 header ( 'Content-Type: image/jpeg' );
1972 echo file_get_contents ( $cacheDir . '/' . $thumbname );
1975 // We may also serve a blank image (if service did not respond)
1976 $blankname = hash ( 'sha1' , $_GET [ 'url' ]). '.gif' ;
1977 if ( is_file ( $cacheDir . '/' . $blankname ))
1979 header ( 'Content-Type: image/gif' );
1980 echo file_get_contents ( $cacheDir . '/' . $blankname );
1984 // Otherwise, generate the thumbnail.
1985 $url = $_GET [ 'url' ];
1986 $domain = parse_url ( $url , PHP_URL_HOST
);
1988 if ( $domain == 'flickr.com' || endsWith ( $domain , '.flickr.com' ))
1990 // Crude replacement to handle new flickr domain policy (They prefer www. now)
1991 $url = str_replace ( 'http://flickr.com/' , 'http://www.flickr.com/' , $url );
1993 // Is this a link to an image, or to a flickr page ?
1995 if ( endsWith ( parse_url ( $url , PHP_URL_PATH
), '.jpg' ))
1996 { // This is a direct link to an image. e.g. http://farm1.staticflickr.com/5/5921913_ac83ed27bd_o.jpg
1997 preg_match ( '!(http://farm\d+\.staticflickr\.com/\d+/\d+_\w+_)\w.jpg!' , $url , $matches );
1998 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ]. 'm.jpg' ;
2000 else // This is a flickr page (html)
2002 // Get the flickr html page.
2003 list ( $headers , $content ) = get_http_response ( $url , 20 );
2004 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false )
2006 // flickr now nicely provides the URL of the thumbnail in each flickr page.
2007 preg_match ( '!<link rel= \" image_src \" href= \" (.+?) \" !' , $content , $matches );
2008 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ];
2010 // In albums (and some other pages), the link rel="image_src" is not provided,
2011 // but flickr provides:
2012 // <meta property="og:image" content="http://farm4.staticflickr.com/3398/3239339068_25d13535ff_z.jpg" />
2015 preg_match ( '!<meta property= \" og:image \" content= \" (.+?) \" !' , $content , $matches );
2016 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ];
2022 { // Let's download the image.
2023 // Image is 240x120, so 10 seconds to download should be enough.
2024 list ( $headers , $content ) = get_http_response ( $imageurl , 10 );
2025 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2026 // Save image to cache.
2027 file_put_contents ( $cacheDir . '/' . $thumbname , $content );
2028 header ( 'Content-Type: image/jpeg' );
2035 elseif ( $domain == 'vimeo.com' )
2037 // This is more complex: we have to perform a HTTP request, then parse the result.
2038 // Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098
2039 $vid = substr ( parse_url ( $url , PHP_URL_PATH
), 1 );
2040 list ( $headers , $content ) = get_http_response ( 'https://vimeo.com/api/v2/video/' . escape ( $vid ). '.php' , 5 );
2041 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2042 $t = unserialize ( $content );
2043 $imageurl = $t [ 0 ][ 'thumbnail_medium' ];
2044 // Then we download the image and serve it to our client.
2045 list ( $headers , $content ) = get_http_response ( $imageurl , 10 );
2046 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2047 // Save image to cache.
2048 file_put_contents ( $cacheDir . '/' . $thumbname , $content );
2049 header ( 'Content-Type: image/jpeg' );
2056 elseif ( $domain == 'ted.com' || endsWith ( $domain , '.ted.com' ))
2058 // The thumbnail for TED talks is located in the <link rel="image_src" [...]> tag on that page
2059 // http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html
2060 // <link rel="image_src" href="http://images.ted.com/images/ted/28bced335898ba54d4441809c5b1112ffaf36781_389x292.jpg" />
2061 list ( $headers , $content ) = get_http_response ( $url , 5 );
2062 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2063 // Extract the link to the thumbnail
2064 preg_match ( '!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!' , $content , $matches );
2065 if (! empty ( $matches [ 1 ]))
2066 { // Let's download the image.
2067 $imageurl = $matches [ 1 ];
2068 // No control on image size, so wait long enough
2069 list ( $headers , $content ) = get_http_response ( $imageurl , 20 );
2070 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2071 $filepath = $cacheDir . '/' . $thumbname ;
2072 file_put_contents ( $filepath , $content ); // Save image to cache.
2073 if ( resizeImage ( $filepath ))
2075 header ( 'Content-Type: image/jpeg' );
2076 echo file_get_contents ( $filepath );
2084 elseif ( $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' ))
2086 // There is no thumbnail available for xkcd comics, so download the whole image and resize it.
2087 // http://xkcd.com/327/
2088 // <img src="http://imgs.xkcd.com/comics/exploits_of_a_mom.png" title="<BLABLA>" alt="<BLABLA>" />
2089 list ( $headers , $content ) = get_http_response ( $url , 5 );
2090 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2091 // Extract the link to the thumbnail
2092 preg_match ( '!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!' , $content , $matches );
2093 if (! empty ( $matches [ 1 ]))
2094 { // Let's download the image.
2095 $imageurl = $matches [ 1 ];
2096 // No control on image size, so wait long enough
2097 list ( $headers , $content ) = get_http_response ( $imageurl , 20 );
2098 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2099 $filepath = $cacheDir . '/' . $thumbname ;
2100 // Save image to cache.
2101 file_put_contents ( $filepath , $content );
2102 if ( resizeImage ( $filepath ))
2104 header ( 'Content-Type: image/jpeg' );
2105 echo file_get_contents ( $filepath );
2115 // For all other domains, we try to download the image and make a thumbnail.
2116 // We allow 30 seconds max to download (and downloads are limited to 4 Mb)
2117 list ( $headers , $content ) = get_http_response ( $url , 30 );
2118 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2119 $filepath = $cacheDir . '/' . $thumbname ;
2120 // Save image to cache.
2121 file_put_contents ( $filepath , $content );
2122 if ( resizeImage ( $filepath ))
2124 header ( 'Content-Type: image/jpeg' );
2125 echo file_get_contents ( $filepath );
2132 // Otherwise, return an empty image (8x8 transparent gif)
2133 $blankgif = base64_decode ( 'R0lGODlhCAAIAIAAAP///////yH5BAEKAAEALAAAAAAIAAgAAAIHjI+py+1dAAA7' );
2134 // Also put something in cache so that this URL is not requested twice.
2135 file_put_contents ( $cacheDir . '/' . $blankname , $blankgif );
2136 header ( 'Content-Type: image/gif' );
2140 // Make a thumbnail of the image (to width: 120 pixels)
2141 // Returns true if success, false otherwise.
2142 function resizeImage ( $filepath )
2144 if (! function_exists ( 'imagecreatefromjpeg' )) return false ; // GD not present: no thumbnail possible.
2146 // Trick: some stupid people rename GIF as JPEG... or else.
2147 // So we really try to open each image type whatever the extension is.
2148 $header = file_get_contents ( $filepath , false , NULL , 0 , 256 ); // Read first 256 bytes and try to sniff file type.
2150 $i = strpos ( $header , 'GIF8' ); if (( $i !== false ) && ( $i == 0 )) $im = imagecreatefromgif ( $filepath ); // Well this is crude, but it should be enough.
2151 $i = strpos ( $header , 'PNG' ); if (( $i !== false ) && ( $i == 1 )) $im = imagecreatefrompng ( $filepath );
2152 $i = strpos ( $header , 'JFIF' ); if ( $i !== false ) $im = imagecreatefromjpeg ( $filepath );
2153 if (! $im ) return false ; // Unable to open image (corrupted or not an image)
2156 $ystart = 0 ; $yheight = $h ;
2157 if ( $h > $w ) { $ystart
= ( $h
/ 2 )-( $w
/ 2 ); $yheight
= $w
/ 2 ; }
2158 $nw = 120 ; // Desired width
2159 $nh = min ( floor (( $h * $nw )/ $w ), 120 ); // Compute new width/height, but maximum 120 pixels height.
2161 $im2 = imagecreatetruecolor ( $nw , $nh );
2162 imagecopyresampled ( $im2 , $im , 0 , 0 , 0 , $ystart , $nw , $nh , $w , $yheight );
2163 imageinterlace ( $im2 , true ); // For progressive JPEG.
2164 $tempname = $filepath . '_TEMP.jpg' ;
2165 imagejpeg ( $im2 , $tempname , 90 );
2169 rename ( $tempname , $filepath ); // Overwrite original picture with thumbnail.
2173 if ( isset ( $_SERVER [ 'QUERY_STRING' ]) && startsWith ( $_SERVER [ 'QUERY_STRING' ], 'do=genthumbnail' )) { genThumbnail ( $conf
); exit ; } // Thumbnail generation/cache does not need the link database.
2174 if ( isset ( $_SERVER [ 'QUERY_STRING' ]) && startsWith ( $_SERVER [ 'QUERY_STRING' ], 'do=dailyrss' )) { showDailyRSS ( $conf
); exit ; }
2175 if (! isset ( $_SESSION [ 'LINKS_PER_PAGE' ])) {
2176 $_SESSION [ 'LINKS_PER_PAGE' ] = $conf- > get ( 'general.links_per_page' , 20 );
2178 renderPage ( $conf , $pluginManager );