]>
git.immae.eu Git - github/shaarli/Shaarli.git/blob - index.php
3 * Shaarli v0.6.0 - Shaare your links...
5 * The personal, minimalist, super-fast, no-database Delicious clone.
7 * Friendly fork by the Shaarli community:
8 * - https://github.com/shaarli/Shaarli
10 * Original project by sebsauvage.net:
11 * - http://sebsauvage.net/wiki/doku.php?id=php:shaarli
12 * - https://github.com/sebsauvage/Shaarli
14 * Licence: http://www.opensource.org/licenses/zlib-license.php
19 // Set 'UTC' as the default timezone if it is not defined in php.ini
20 // See http://php.net/manual/en/datetime.configuration.php#ini.date.timezone
21 if ( date_default_timezone_get () == '' ) {
22 date_default_timezone_set ( 'UTC' );
25 /* -----------------------------------------------------------------------------
26 * Hardcoded parameters
27 * You should not touch any code below (or at your own risks!)
28 * (These parameters can be overwritten by editing the file /data/config.php)
29 * -----------------------------------------------------------------------------
33 * Shaarli directories & configuration files
36 $GLOBALS [ 'config' ][ 'DATADIR' ] = 'data' ;
38 // Main configuration file
39 $GLOBALS [ 'config' ][ 'CONFIG_FILE' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/config.php' ;
42 $GLOBALS [ 'config' ][ 'DATASTORE' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/datastore.php' ;
45 $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/ipbans.php' ;
48 $GLOBALS [ 'config' ][ 'LOG_FILE' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/log.txt' ;
50 // For updates check of Shaarli
51 $GLOBALS [ 'config' ][ 'UPDATECHECK_FILENAME' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/lastupdatecheck.txt' ;
53 // RainTPL cache directory (keep the trailing slash!)
54 $GLOBALS [ 'config' ][ 'RAINTPL_TMP' ] = 'tmp/' ;
55 // Raintpl template directory (keep the trailing slash!)
56 $GLOBALS [ 'config' ][ 'RAINTPL_TPL' ] = 'tpl/' ;
58 // Thumbnail cache directory
59 $GLOBALS [ 'config' ][ 'CACHEDIR' ] = 'cache' ;
61 // Atom & RSS feed cache directory
62 $GLOBALS [ 'config' ][ 'PAGECACHE' ] = 'pagecache' ;
66 * Global configuration
68 // Ban IP after this many failures
69 $GLOBALS [ 'config' ][ 'BAN_AFTER' ] = 4 ;
70 // Ban duration for IP address after login failures (in seconds)
71 $GLOBALS [ 'config' ][ 'BAN_DURATION' ] = 1800 ;
74 // Enable RSS permalinks by default.
75 // This corresponds to the default behavior of shaarli before this was added as an option.
76 $GLOBALS [ 'config' ][ 'ENABLE_RSS_PERMALINKS' ] = true ;
77 // If true, an extra "ATOM feed" button will be displayed in the toolbar
78 $GLOBALS [ 'config' ][ 'SHOW_ATOM' ] = false ;
80 // Link display options
81 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ] = false ;
82 $GLOBALS [ 'config' ][ 'HIDE_TIMESTAMPS' ] = false ;
83 $GLOBALS [ 'config' ][ 'LINKS_PER_PAGE' ] = 20 ;
85 // Open Shaarli (true): anyone can add/edit/delete links without having to login
86 $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ] = false ;
89 // Display thumbnails in links
90 $GLOBALS [ 'config' ][ 'ENABLE_THUMBNAILS' ] = true ;
91 // Store thumbnails in a local cache
92 $GLOBALS [ 'config' ][ 'ENABLE_LOCALCACHE' ] = true ;
94 // Update check frequency for Shaarli. 86400 seconds=24 hours
95 $GLOBALS [ 'config' ][ 'UPDATECHECK_INTERVAL' ] = 86400 ;
99 * Plugin configuration
101 * Warning: order matters!
103 * These settings may be be overriden in:
105 * - each plugin's configuration file
107 //$GLOBALS['config']['ENABLED_PLUGINS'] = array(
108 // 'qrcode', 'archiveorg', 'readityourself', 'demo_plugin', 'playvideos',
109 // 'wallabag', 'markdown', 'addlink_toolbar',
111 $GLOBALS [ 'config' ][ 'ENABLED_PLUGINS' ] = array ( 'qrcode' );
113 //$GLOBALS['plugins']['WALLABAG_URL'] = 'https://demo.wallabag.org/';
115 // PubSubHubbub support. Put an empty string to disable, or put your hub url here to enable.
116 $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ] = '' ;
121 define ( 'shaarli_version' , '0.6.0' );
123 // http://server.com/x/shaarli --> /shaarli/
124 define ( 'WEB_PATH' , substr ( $_SERVER [ "REQUEST_URI" ], 0 , 1 +
strrpos ( $_SERVER [ "REQUEST_URI" ], '/' , 0 )));
126 // High execution time in case of problematic imports/exports.
127 ini_set ( 'max_input_time' , '60' );
129 // Try to set max upload file size and read
130 ini_set ( 'memory_limit' , '128M' );
131 ini_set ( 'post_max_size' , '16M' );
132 ini_set ( 'upload_max_filesize' , '16M' );
134 // See all error except warnings
135 error_reporting ( E_ALL^E_WARNING
);
136 // See all errors (for debugging only)
137 //error_reporting(-1);
142 if ( is_file ( $GLOBALS [ 'config' ][ 'CONFIG_FILE' ])) {
143 require_once $GLOBALS [ 'config' ][ 'CONFIG_FILE' ];
147 require_once 'application/ApplicationUtils.php' ;
148 require_once 'application/Cache.php' ;
149 require_once 'application/CachedPage.php' ;
150 require_once 'application/FileUtils.php' ;
151 require_once 'application/HttpUtils.php' ;
152 require_once 'application/LinkDB.php' ;
153 require_once 'application/TimeZone.php' ;
154 require_once 'application/Url.php' ;
155 require_once 'application/Utils.php' ;
156 require_once 'application/Config.php' ;
157 require_once 'application/PluginManager.php' ;
158 require_once 'application/Router.php' ;
160 // Ensure the PHP version is supported
162 ApplicationUtils
:: checkPHPVersion ( '5.3' , PHP_VERSION
);
163 } catch ( Exception
$exc ) {
164 header ( 'Content-Type: text/plain; charset=utf-8' );
165 echo $exc- > getMessage ();
169 // Force cookie path (but do not change lifetime)
170 $cookie = session_get_cookie_params ();
172 if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ]) != '/' ) {
173 $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
175 // Set default cookie expiration and path.
176 session_set_cookie_params ( $cookie [ 'lifetime' ], $cookiedir , $_SERVER [ 'SERVER_NAME' ]);
177 // Set session parameters on server side.
178 // If the user does not access any page within this time, his/her session is considered expired.
179 define ( 'INACTIVITY_TIMEOUT' , 3600 ); // in seconds.
180 // Use cookies to store session.
181 ini_set ( 'session.use_cookies' , 1 );
182 // Force cookies for session (phpsessionID forbidden in URL).
183 ini_set ( 'session.use_only_cookies' , 1 );
184 // Prevent PHP form using sessionID in URL if cookies are disabled.
185 ini_set ( 'session.use_trans_sid' , false );
187 session_name ( 'shaarli' );
188 // Start session if needed (Some server auto-start sessions).
189 if ( session_id () == '' ) {
193 // Regenerate session ID if invalid or not defined in cookie.
194 if ( isset ( $_COOKIE [ 'shaarli' ]) && ! is_session_id_valid ( $_COOKIE [ 'shaarli' ])) {
195 session_regenerate_id ( true );
196 $_COOKIE [ 'shaarli' ] = session_id ();
199 include "inc/rain.tpl.class.php" ; //include Rain TPL
200 raintpl
:: $tpl_dir = $GLOBALS [ 'config' ][ 'RAINTPL_TPL' ]; // template directory
201 raintpl
:: $cache_dir = $GLOBALS [ 'config' ][ 'RAINTPL_TMP' ]; // cache directory
203 $pluginManager = PluginManager
:: getInstance ();
204 $pluginManager- > load ( $GLOBALS [ 'config' ][ 'ENABLED_PLUGINS' ]);
206 ob_start (); // Output buffering for the page cache.
209 // In case stupid admin has left magic_quotes enabled in php.ini:
210 if ( get_magic_quotes_gpc ())
212 function stripslashes_deep ( $value ) { $value
= is_array ( $value
) ? array_map ( 'stripslashes_deep' , $value
) : stripslashes ( $value
); return $value
; }
213 $_POST = array_map ( 'stripslashes_deep' , $_POST );
214 $_GET = array_map ( 'stripslashes_deep' , $_GET );
215 $_COOKIE = array_map ( 'stripslashes_deep' , $_COOKIE );
218 // Prevent caching on client side or proxy: (yes, it's ugly)
219 header ( "Last-Modified: " . gmdate ( "D, d M Y H:i:s" ) . " GMT" );
220 header ( "Cache-Control: no-store, no-cache, must-revalidate" );
221 header ( "Cache-Control: post-check=0, pre-check=0" , false );
222 header ( "Pragma: no-cache" );
224 // Handling of old config file which do not have the new parameters.
225 if ( empty ( $GLOBALS [ 'title' ])) $GLOBALS [ 'title' ]= 'Shared links on ' . escape ( index_url ( $_SERVER ));
226 if ( empty ( $GLOBALS [ 'timezone' ])) $GLOBALS [ 'timezone' ]= date_default_timezone_get ();
227 if ( empty ( $GLOBALS [ 'redirector' ])) $GLOBALS [ 'redirector' ]= '' ;
228 if ( empty ( $GLOBALS [ 'disablesessionprotection' ])) $GLOBALS [ 'disablesessionprotection' ]= false ;
229 if ( empty ( $GLOBALS [ 'privateLinkByDefault' ])) $GLOBALS [ 'privateLinkByDefault' ]= false ;
230 if ( empty ( $GLOBALS [ 'titleLink' ])) $GLOBALS [ 'titleLink' ]= '?' ;
231 // I really need to rewrite Shaarli with a proper configuation manager.
233 if (! is_file ( $GLOBALS [ 'config' ][ 'CONFIG_FILE' ])) {
234 // Ensure Shaarli has proper access to its resources
235 $errors = ApplicationUtils
:: checkResourcePermissions ( $GLOBALS [ 'config' ]);
237 if ( $errors != array ()) {
238 $message = '<p>Insufficient permissions:</p><ul>' ;
240 foreach ( $errors as $error ) {
241 $message .= '<li>' . $error . '</li>' ;
245 header ( 'Content-Type: text/html; charset=utf-8' );
250 // Display the installation form if no existing config is found
254 $GLOBALS [ 'title' ] = ! empty ( $GLOBALS [ 'title' ]) ? escape ( $GLOBALS [ 'title' ]) : '' ;
255 $GLOBALS [ 'titleLink' ] = ! empty ( $GLOBALS [ 'titleLink' ]) ? escape ( $GLOBALS [ 'titleLink' ]) : '' ;
256 $GLOBALS [ 'redirector' ] = ! empty ( $GLOBALS [ 'redirector' ]) ? escape ( $GLOBALS [ 'redirector' ]) : '' ;
258 // a token depending of deployment salt, user password, and the current ip
259 define ( 'STAY_SIGNED_IN_TOKEN' , sha1 ( $GLOBALS [ 'hash' ]. $_SERVER [ "REMOTE_ADDR" ]. $GLOBALS [ 'salt' ]));
261 autoLocale (); // Sniff browser language and set date format accordingly.
262 header ( 'Content-Type: text/html; charset=utf-8' ); // We use UTF-8 for proper international characters handling.
264 //==================================================================================================
265 // Checking session state (i.e. is the user still logged in)
266 //==================================================================================================
268 function setup_login_state () {
269 if ( $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ]) {
272 $userIsLoggedIn = false ; // By default, we do not consider the user as logged in;
273 $loginFailure = false ; // If set to true, every attempt to authenticate the user will fail. This indicates that an important condition isn't met.
274 if (! isset ( $GLOBALS [ 'login' ])) {
275 $userIsLoggedIn = false ; // Shaarli is not configured yet.
276 $loginFailure = true ;
278 if ( isset ( $_COOKIE [ 'shaarli_staySignedIn' ]) &&
279 $_COOKIE [ 'shaarli_staySignedIn' ]=== STAY_SIGNED_IN_TOKEN
&&
283 $userIsLoggedIn = true ;
285 // If session does not exist on server side, or IP address has changed, or session has expired, logout.
286 if ( empty ( $_SESSION [ 'uid' ]) ||
287 ( $GLOBALS [ 'disablesessionprotection' ]== false && $_SESSION [ 'ip' ]!= allIPs ()) ||
288 time () >= $_SESSION [ 'expires_on' ])
291 $userIsLoggedIn = false ;
292 $loginFailure = true ;
294 if (! empty ( $_SESSION [ 'longlastingsession' ])) {
295 $_SESSION [ 'expires_on' ]= time () +
$_SESSION [ 'longlastingsession' ]; // In case of "Stay signed in" checked.
298 $_SESSION [ 'expires_on' ]= time () +INACTIVITY_TIMEOUT
; // Standard session expiration date.
300 if (! $loginFailure ) {
301 $userIsLoggedIn = true ;
304 return $userIsLoggedIn ;
306 $userIsLoggedIn = setup_login_state ();
308 // Checks if an update is available for Shaarli.
309 // (at most once a day, and only for registered user.)
310 // Output: '' = no new version.
311 // other= the available version.
312 function checkUpdate ()
314 if (! isLoggedIn ()) return '' ; // Do not check versions for visitors.
315 if ( empty ( $GLOBALS [ 'config' ][ 'ENABLE_UPDATECHECK' ])) return '' ; // Do not check if the user doesn't want to.
317 // Get latest version number at most once a day.
318 if (! is_file ( $GLOBALS [ 'config' ][ 'UPDATECHECK_FILENAME' ]) || ( filemtime ( $GLOBALS [ 'config' ][ 'UPDATECHECK_FILENAME' ])< time ()-( $GLOBALS [ 'config' ][ 'UPDATECHECK_INTERVAL' ])))
320 $version = shaarli_version
;
321 list ( $headers , $data ) = get_http_url ( 'https://raw.githubusercontent.com/shaarli/Shaarli/master/shaarli_version.php' , 2 );
322 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
323 $version = str_replace ( ' */ ?>' , '' , str_replace ( '<?php /* ' , '' , $data ));
325 // If failed, never mind. We don't want to bother the user with that.
326 file_put_contents ( $GLOBALS [ 'config' ][ 'UPDATECHECK_FILENAME' ], $version ); // touch file date
329 $newestversion = file_get_contents ( $GLOBALS [ 'config' ][ 'UPDATECHECK_FILENAME' ]);
330 if ( version_compare ( $newestversion , shaarli_version
)== 1 ) return $newestversion ;
335 // -----------------------------------------------------------------------------------------------
337 function logm ( $message )
339 $t = strval ( date ( 'Y/m/d_H:i:s' )). ' - ' . $_SERVER [ "REMOTE_ADDR" ]. ' - ' . strval ( $message ). " \n " ;
340 file_put_contents ( $GLOBAL [ 'config' ][ 'LOG_FILE' ], $t , FILE_APPEND
);
343 // In a string, converts URLs to clickable links.
344 // Function inspired from http://www.php.net/manual/en/function.preg-replace.php#85722
345 function text2clickable ( $url )
347 $redir = empty ( $GLOBALS [ 'redirector' ]) ? '' : $GLOBALS [ 'redirector' ];
348 return preg_replace ( '!(((?:https?|ftp|file)://|apt:|magnet:)\S+[[:alnum:]]/?)!si' , '<a href="' . $redir . ' $1" rel="nofollow"> $1 </a>' , $url );
351 // This function inserts where relevant so that multiple spaces are properly displayed in HTML
352 // even in the absence of <pre> (This is used in description to keep text formatting)
353 function keepMultipleSpaces ( $text )
355 return str_replace ( ' ' , ' ' , $text );
358 // ------------------------------------------------------------------------------------------
359 // Sniff browser language to display dates in the right format automatically.
360 // (Note that is may not work on your server if the corresponding local is not installed.)
361 function autoLocale ()
363 $attempts = array ( 'en_US' ); // Default if browser does not send HTTP_ACCEPT_LANGUAGE
364 if ( isset ( $_SERVER [ 'HTTP_ACCEPT_LANGUAGE' ])) // e.g. "fr,fr-fr;q=0.8,en;q=0.5,en-us;q=0.3"
365 { // (It's a bit crude, but it works very well. Preferred language is always presented first.)
366 if ( preg_match ( '/([a-z] {2} )-?([a-z] {2} )?/i' , $_SERVER [ 'HTTP_ACCEPT_LANGUAGE' ], $matches )) {
367 $loc = $matches [ 1 ] . (! empty ( $matches [ 2 ]) ? '_' . strtoupper ( $matches [ 2 ]) : '' );
368 $attempts = array ( $loc . '.UTF-8' , $loc , str_replace ( '_' , '-' , $loc ). '.UTF-8' , str_replace ( '_' , '-' , $loc ),
369 $loc . '_' . strtoupper ( $loc ). '.UTF-8' , $loc . '_' . strtoupper ( $loc ),
370 $loc . '_' . $loc . '.UTF-8' , $loc . '_' . $loc , $loc . '-' . strtoupper ( $loc ). '.UTF-8' ,
371 $loc . '-' . strtoupper ( $loc ), $loc . '-' . $loc . '.UTF-8' , $loc . '-' . $loc );
374 setlocale ( LC_TIME
, $attempts ); // LC_TIME = Set local for date/time format only.
377 // ------------------------------------------------------------------------------------------
378 // PubSubHubbub protocol support (if enabled) [UNTESTED]
379 // (Source: http://aldarone.fr/les-flux-rss-shaarli-et-pubsubhubbub/ )
380 if (! empty ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ])) include './publisher.php' ;
383 if (! empty ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]))
385 $p = new Publisher ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]);
387 index_url ( $_SERVER ). '?do=atom' ,
388 index_url ( $_SERVER ). '?do=rss'
390 $p- > publish_update ( $topic_url );
394 // ------------------------------------------------------------------------------------------
395 // Session management
397 // Returns the IP address of the client (Used to prevent session cookie hijacking.)
400 $ip = $_SERVER [ "REMOTE_ADDR" ];
401 // Then we use more HTTP headers to prevent session hijacking from users behind the same proxy.
402 if ( isset ( $_SERVER [ 'HTTP_X_FORWARDED_FOR' ])) { $ip
= $ip
. '_' . $_SERVER
[ 'HTTP_X_FORWARDED_FOR' ]; }
403 if ( isset ( $_SERVER [ 'HTTP_CLIENT_IP' ])) { $ip
= $ip
. '_' . $_SERVER
[ 'HTTP_CLIENT_IP' ]; }
407 function fillSessionInfo () {
408 $_SESSION [ 'uid' ] = sha1 ( uniqid ( '' , true ). '_' . mt_rand ()); // Generate unique random number (different than phpsessionid)
409 $_SESSION [ 'ip' ]= allIPs (); // We store IP address(es) of the client to make sure session is not hijacked.
410 $_SESSION [ 'username' ]= $GLOBALS [ 'login' ];
411 $_SESSION [ 'expires_on' ]= time () +INACTIVITY_TIMEOUT
; // Set session expiration.
414 // Check that user/password is correct.
415 function check_auth ( $login , $password )
417 $hash = sha1 ( $password . $login . $GLOBALS [ 'salt' ]);
418 if ( $login == $GLOBALS [ 'login' ] && $hash == $GLOBALS [ 'hash' ])
419 { // Login/password is correct.
421 logm ( 'Login successful' );
424 logm ( 'Login failed for user ' . $login );
428 // Returns true if the user is logged in.
429 function isLoggedIn ()
431 global $userIsLoggedIn ;
432 return $userIsLoggedIn ;
437 if ( isset ( $_SESSION )) {
438 unset ( $_SESSION [ 'uid' ]);
439 unset ( $_SESSION [ 'ip' ]);
440 unset ( $_SESSION [ 'username' ]);
441 unset ( $_SESSION [ 'privateonly' ]);
443 setcookie ( 'shaarli_staySignedIn' , FALSE , 0 , WEB_PATH
);
447 // ------------------------------------------------------------------------------------------
448 // Brute force protection system
449 // Several consecutive failed logins will ban the IP address for 30 minutes.
450 if (! is_file ( $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ])) file_put_contents ( $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ], "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( array ( 'FAILURES' => array (), 'BANS' => array ()), true ). "; \n ?>" );
451 include $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ];
452 // Signal a failed login. Will ban the IP if too many failures:
453 function ban_loginFailed ()
455 $ip = $_SERVER [ "REMOTE_ADDR" ]; $gb = $GLOBALS [ 'IPBANS' ];
456 if (! isset ( $gb [ 'FAILURES' ][ $ip ])) $gb [ 'FAILURES' ][ $ip ]= 0 ;
457 $gb [ 'FAILURES' ][ $ip ] ++
;
458 if ( $gb [ 'FAILURES' ][ $ip ]>( $GLOBALS [ 'config' ][ 'BAN_AFTER' ]- 1 ))
460 $gb [ 'BANS' ][ $ip ]= time () +
$GLOBALS [ 'config' ][ 'BAN_DURATION' ];
461 logm ( 'IP address banned from login' );
463 $GLOBALS [ 'IPBANS' ] = $gb ;
464 file_put_contents ( $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ], "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>" );
467 // Signals a successful login. Resets failed login counter.
468 function ban_loginOk ()
470 $ip = $_SERVER [ "REMOTE_ADDR" ]; $gb = $GLOBALS [ 'IPBANS' ];
471 unset ( $gb [ 'FAILURES' ][ $ip ]); unset ( $gb [ 'BANS' ][ $ip ]);
472 $GLOBALS [ 'IPBANS' ] = $gb ;
473 file_put_contents ( $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ], "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>" );
476 // Checks if the user CAN login. If 'true', the user can try to login.
477 function ban_canLogin ()
479 $ip = $_SERVER [ "REMOTE_ADDR" ]; $gb = $GLOBALS [ 'IPBANS' ];
480 if ( isset ( $gb [ 'BANS' ][ $ip ]))
482 // User is banned. Check if the ban has expired:
483 if ( $gb [ 'BANS' ][ $ip ]<= time ())
484 { // Ban expired, user can try to login again.
486 unset ( $gb [ 'FAILURES' ][ $ip ]); unset ( $gb [ 'BANS' ][ $ip ]);
487 file_put_contents ( $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ], "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>" );
488 return true ; // Ban has expired, user can login.
490 return false ; // User is banned.
492 return true ; // User is not banned.
495 // ------------------------------------------------------------------------------------------
496 // Process login form: Check if login/password is correct.
497 if ( isset ( $_POST [ 'login' ]))
499 if (! ban_canLogin ()) die ( 'I said: NO. You are banned for the moment. Go away.' );
500 if ( isset ( $_POST [ 'password' ]) && tokenOk ( $_POST [ 'token' ]) && ( check_auth ( $_POST [ 'login' ], $_POST [ 'password' ])))
501 { // Login/password is OK.
503 // If user wants to keep the session cookie even after the browser closes:
504 if (! empty ( $_POST [ 'longlastingsession' ]))
506 setcookie ( 'shaarli_staySignedIn' , STAY_SIGNED_IN_TOKEN
, time () +
31536000 , WEB_PATH
);
507 $_SESSION [ 'longlastingsession' ]= 31536000 ; // (31536000 seconds = 1 year)
508 $_SESSION [ 'expires_on' ]= time () +
$_SESSION [ 'longlastingsession' ]; // Set session expiration on server-side.
510 $cookiedir = '' ; if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ])!= '/' ) $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
511 session_set_cookie_params ( $_SESSION [ 'longlastingsession' ], $cookiedir , $_SERVER [ 'SERVER_NAME' ]); // Set session cookie expiration on client side
512 // Note: Never forget the trailing slash on the cookie path!
513 session_regenerate_id ( true ); // Send cookie with new expiration date to browser.
515 else // Standard session expiration (=when browser closes)
517 $cookiedir = '' ; if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ])!= '/' ) $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
518 session_set_cookie_params ( 0 , $cookiedir , $_SERVER [ 'SERVER_NAME' ]); // 0 means "When browser closes"
519 session_regenerate_id ( true );
522 // Optional redirect after login:
523 if ( isset ( $_GET [ 'post' ])) {
524 $uri = '?post=' . urlencode ( $_GET [ 'post' ]);
525 foreach ( array ( 'description' , 'source' , 'title' ) as $param ) {
526 if (! empty ( $_GET [ $param ])) {
527 $uri .= '&' . $param . '=' . urlencode ( $_GET [ $param ]);
530 header ( 'Location: ' . $uri );
534 if ( isset ( $_GET [ 'edit_link' ])) {
535 header ( 'Location: ?edit_link=' . escape ( $_GET [ 'edit_link' ]));
539 if ( isset ( $_POST [ 'returnurl' ])) {
540 // Prevent loops over login screen.
541 if ( strpos ( $_POST [ 'returnurl' ], 'do=login' ) === false ) {
542 header ( 'Location: ' . escape ( $_POST [ 'returnurl' ]));
546 header ( 'Location: ?' ); exit ;
552 if ( isset ( $_GET [ 'post' ])) {
553 $redir = '?post=' . urlencode ( $_GET [ 'post' ]);
554 foreach ( array ( 'description' , 'source' , 'title' ) as $param ) {
555 if (! empty ( $_GET [ $param ])) {
556 $redir .= '&' . $param . '=' . urlencode ( $_GET [ $param ]);
560 echo '<script>alert("Wrong login/password.");document.location= \' ?do=login' . $redir . ' \' ;</script>' ; // Redirect to login screen.
565 // ------------------------------------------------------------------------------------------
566 // Misc utility functions:
568 // Convert post_max_size/upload_max_filesize (e.g. '16M') parameters to bytes.
569 function return_bytes ( $val )
571 $val = trim ( $val ); $last = strtolower ( $val [ strlen ( $val )- 1 ]);
574 case 'g' : $val *= 1024 ;
575 case 'm' : $val *= 1024 ;
576 case 'k' : $val *= 1024 ;
581 // Try to determine max file size for uploads (POST).
582 // Returns an integer (in bytes)
583 function getMaxFileSize ()
585 $size1 = return_bytes ( ini_get ( 'post_max_size' ));
586 $size2 = return_bytes ( ini_get ( 'upload_max_filesize' ));
587 // Return the smaller of two:
588 $maxsize = min ( $size1 , $size2 );
589 // FIXME: Then convert back to readable notations ? (e.g. 2M instead of 2000000)
593 /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a timestamp (Unix epoch)
594 (used to build the ADD_DATE attribute in Netscape-bookmarks file)
595 PS: I could have used strptime(), but it does not exist on Windows. I'm too kind. */
596 function linkdate2timestamp ( $linkdate )
598 if ( strcmp ( $linkdate , '_000000' ) !== 0 || ! $linkdate ){
600 $r = sscanf ( $linkdate , '%4d%2d%2d_%2d%2d%2d' , $Y , $M , $D , $h , $m , $s );
601 return mktime ( $h , $m , $s , $M , $D , $Y );
606 /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a RFC822 date.
607 (used to build the pubDate attribute in RSS feed.) */
608 function linkdate2rfc822 ( $linkdate )
610 return date ( 'r' , linkdate2timestamp ( $linkdate )); // 'r' is for RFC822 date format.
613 /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a ISO 8601 date.
614 (used to build the updated tags in ATOM feed.) */
615 function linkdate2iso8601 ( $linkdate )
617 return date ( 'c' , linkdate2timestamp ( $linkdate )); // 'c' is for ISO 8601 date format.
620 // Extract title from an HTML document.
621 // (Returns an empty string if not found.)
622 function html_extract_title ( $html )
624 return preg_match ( '!<title>(.*?)</title>!is' , $html , $matches ) ? trim ( str_replace ( " \n " , ' ' , $matches [ 1 ])) : '' ;
627 // ------------------------------------------------------------------------------------------
628 // Token management for XSRF protection
629 // Token should be used in any form which acts on data (create,update,delete,import...).
630 if (! isset ( $_SESSION [ 'tokens' ])) $_SESSION [ 'tokens' ]= array (); // Token are attached to the session.
635 $rnd = sha1 ( uniqid ( '' , true ). '_' . mt_rand (). $GLOBALS [ 'salt' ]); // We generate a random string.
636 $_SESSION [ 'tokens' ][ $rnd ]= 1 ; // Store it on the server side.
640 // Tells if a token is OK. Using this function will destroy the token.
642 function tokenOk ( $token )
644 if ( isset ( $_SESSION [ 'tokens' ][ $token ]))
646 unset ( $_SESSION [ 'tokens' ][ $token ]); // Token is used: destroy it.
647 return true ; // Token is OK.
649 return false ; // Wrong token, or already used.
652 // ------------------------------------------------------------------------------------------
653 /* This class is in charge of building the final page.
654 (This is basically a wrapper around RainTPL which pre-fills some fields.)
656 p.assign('myfield','myvalue');
657 p.renderPage('mytemplate');
662 private $tpl ; // RainTPL template
664 function __construct ()
670 * Initialize all default tpl tags.
672 private function initialize ()
674 $this- > tpl
= new RainTPL
;
675 $this- > tpl
-> assign ( 'newversion' , escape ( checkUpdate ()));
676 $this- > tpl
-> assign ( 'feedurl' , escape ( index_url ( $_SERVER )));
677 $searchcrits = '' ; // Search criteria
678 if (! empty ( $_GET [ 'searchtags' ])) {
679 $searchcrits .= '&searchtags=' . urlencode ( $_GET [ 'searchtags' ]);
681 elseif (! empty ( $_GET [ 'searchterm' ])) {
682 $searchcrits .= '&searchterm=' . urlencode ( $_GET [ 'searchterm' ]);
684 $this- > tpl
-> assign ( 'searchcrits' , $searchcrits );
685 $this- > tpl
-> assign ( 'source' , index_url ( $_SERVER ));
686 $this- > tpl
-> assign ( 'version' , shaarli_version
);
687 $this- > tpl
-> assign ( 'scripturl' , index_url ( $_SERVER ));
688 $this- > tpl
-> assign ( 'pagetitle' , 'Shaarli' );
689 $this- > tpl
-> assign ( 'privateonly' , ! empty ( $_SESSION [ 'privateonly' ])); // Show only private links?
690 if (! empty ( $GLOBALS [ 'title' ])) {
691 $this- > tpl
-> assign ( 'pagetitle' , $GLOBALS [ 'title' ]);
693 if (! empty ( $GLOBALS [ 'titleLink' ])) {
694 $this- > tpl
-> assign ( 'titleLink' , $GLOBALS [ 'titleLink' ]);
696 if (! empty ( $GLOBALS [ 'pagetitle' ])) {
697 $this- > tpl
-> assign ( 'pagetitle' , $GLOBALS [ 'pagetitle' ]);
699 $this- > tpl
-> assign ( 'shaarlititle' , empty ( $GLOBALS [ 'title' ]) ? 'Shaarli' : $GLOBALS [ 'title' ]);
700 if (! empty ( $GLOBALS [ 'plugin_errors' ])) {
701 $this- > tpl
-> assign ( 'plugin_errors' , $GLOBALS [ 'plugin_errors' ]);
705 // The following assign() method is basically the same as RainTPL (except that it's lazy)
706 public function assign ( $what , $where )
708 if ( $this- > tpl
=== false ) $this- > initialize (); // Lazy initialization
709 $this- > tpl
-> assign ( $what , $where );
712 // Render a specific page (using a template).
713 // e.g. pb.renderPage('picwall')
714 public function renderPage ( $page )
716 if ( $this- > tpl
=== false ) $this- > initialize (); // Lazy initialization
717 $this- > tpl
-> draw ( $page );
721 // ------------------------------------------------------------------------------------------
722 // Output the last N links in RSS 2.0 format.
725 header ( 'Content-Type: application/rss+xml; charset=utf-8' );
727 // $usepermalink : If true, use permalink instead of final link.
728 // User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=rss&permalinks
729 // Also enabled through a config option
730 $usepermalinks = isset ( $_GET [ 'permalinks' ]) || ! $GLOBALS [ 'config' ][ 'ENABLE_RSS_PERMALINKS' ];
733 $query = $_SERVER [ "QUERY_STRING" ];
734 $cache = new CachedPage (
735 $GLOBALS [ 'config' ][ 'PAGECACHE' ],
737 startsWith ( $query , 'do=rss' ) && ! isLoggedIn ()
739 $cached = $cache- > cachedVersion ();
740 if (! empty ( $cached )) {
745 // If cached was not found (or not usable), then read the database and build the response:
746 $LINKSDB = new LinkDB (
747 $GLOBALS [ 'config' ][ 'DATASTORE' ],
749 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ]
751 // Read links from database (and filter private links if user it not logged in).
753 // Optionally filter the results:
754 $linksToDisplay = array ();
755 if (! empty ( $_GET [ 'searchterm' ])) $linksToDisplay = $LINKSDB- > filterFulltext ( $_GET [ 'searchterm' ]);
756 else if (! empty ( $_GET [ 'searchtags' ])) $linksToDisplay = $LINKSDB- > filterTags ( trim ( $_GET [ 'searchtags' ]));
757 else $linksToDisplay = $LINKSDB ;
759 $nblinksToDisplay = 50 ; // Number of links to display.
760 if (! empty ( $_GET [ 'nb' ])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
762 $nblinksToDisplay = $_GET [ 'nb' ]== 'all' ? count ( $linksToDisplay ) : max ( $_GET [ 'nb' ] +
0 , 1 ) ;
765 $pageaddr = escape ( index_url ( $_SERVER ));
766 echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">' ;
767 echo '<channel><title>' . $GLOBALS [ 'title' ]. '</title><link>' . $pageaddr . '</link>' ;
768 echo '<description>Shared links</description><language>en-en</language><copyright>' . $pageaddr . '</copyright>' . " \n\n " ;
769 if (! empty ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]))
771 echo '<!-- PubSubHubbub Discovery -->' ;
772 echo '<link rel="hub" href="' . escape ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]). '" xmlns="http://www.w3.org/2005/Atom" />' ;
773 echo '<link rel="self" href="' . $pageaddr . '?do=rss" xmlns="http://www.w3.org/2005/Atom" />' ;
774 echo '<!-- End Of PubSubHubbub Discovery -->' ;
777 $keys = array (); foreach ( $linksToDisplay as $key => $value ) { $keys
[]= $key
; } // No, I can't use array_keys().
778 while ( $i < $nblinksToDisplay && $i < count ( $keys ))
780 $link = $linksToDisplay [ $keys [ $i ]];
781 $guid = $pageaddr . '?' . smallHash ( $link [ 'linkdate' ]);
782 $rfc822date = linkdate2rfc822 ( $link [ 'linkdate' ]);
783 $absurl = $link [ 'url' ];
784 if ( startsWith ( $absurl , '?' )) $absurl = $pageaddr . $absurl ; // make permalink URL absolute
785 if ( $usepermalinks === true )
786 echo '<item><title>' . $link [ 'title' ]. '</title><guid isPermaLink="true">' . $guid . '</guid><link>' . $guid . '</link>' ;
788 echo '<item><title>' . $link [ 'title' ]. '</title><guid isPermaLink="false">' . $guid . '</guid><link>' . $absurl . '</link>' ;
789 if (! $GLOBALS [ 'config' ][ 'HIDE_TIMESTAMPS' ] || isLoggedIn ()) echo '<pubDate>' . escape ( $rfc822date ). "</pubDate> \n " ;
790 if ( $link [ 'tags' ]!= '' ) // Adding tags to each RSS entry (as mentioned in RSS specification)
792 foreach ( explode ( ' ' , $link [ 'tags' ]) as $tag ) { echo '<category domain="' . $pageaddr
. '">' . $tag
. '</category>' . " \n " ; }
795 // Add permalink in description
796 $descriptionlink = '(<a href="' . $guid . '">Permalink</a>)' ;
797 // If user wants permalinks first, put the final link in description
798 if ( $usepermalinks === true ) $descriptionlink = '(<a href="' . $absurl . '">Link</a>)' ;
799 if ( strlen ( $link [ 'description' ])> 0 ) $descriptionlink = '<br>' . $descriptionlink ;
800 echo '<description><![CDATA[' . nl2br ( keepMultipleSpaces ( text2clickable ( $link [ 'description' ]))). $descriptionlink . ']]></description>' . " \n </item> \n " ;
803 echo '</channel></rss><!-- Cached version of ' . escape ( page_url ( $_SERVER )). ' -->' ;
805 $cache- > cache ( ob_get_contents ());
810 // ------------------------------------------------------------------------------------------
811 // Output the last N links in ATOM format.
814 header ( 'Content-Type: application/atom+xml; charset=utf-8' );
816 // $usepermalink : If true, use permalink instead of final link.
817 // User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=atom&permalinks
818 $usepermalinks = isset ( $_GET [ 'permalinks' ]) || ! $GLOBALS [ 'config' ][ 'ENABLE_RSS_PERMALINKS' ];
821 $query = $_SERVER [ "QUERY_STRING" ];
822 $cache = new CachedPage (
823 $GLOBALS [ 'config' ][ 'PAGECACHE' ],
825 startsWith ( $query , 'do=atom' ) && ! isLoggedIn ()
827 $cached = $cache- > cachedVersion ();
828 if (! empty ( $cached )) {
833 // If cached was not found (or not usable), then read the database and build the response:
834 // Read links from database (and filter private links if used it not logged in).
835 $LINKSDB = new LinkDB (
836 $GLOBALS [ 'config' ][ 'DATASTORE' ],
838 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ]
841 // Optionally filter the results:
842 $linksToDisplay = array ();
843 if (! empty ( $_GET [ 'searchterm' ])) $linksToDisplay = $LINKSDB- > filterFulltext ( $_GET [ 'searchterm' ]);
844 else if (! empty ( $_GET [ 'searchtags' ])) $linksToDisplay = $LINKSDB- > filterTags ( trim ( $_GET [ 'searchtags' ]));
845 else $linksToDisplay = $LINKSDB ;
847 $nblinksToDisplay = 50 ; // Number of links to display.
848 if (! empty ( $_GET [ 'nb' ])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
850 $nblinksToDisplay = $_GET [ 'nb' ]== 'all' ? count ( $linksToDisplay ) : max ( $_GET [ 'nb' ] +
0 , 1 ) ;
853 $pageaddr = escape ( index_url ( $_SERVER ));
857 $keys = array (); foreach ( $linksToDisplay as $key => $value ) { $keys
[]= $key
; } // No, I can't use array_keys().
858 while ( $i < $nblinksToDisplay && $i < count ( $keys ))
860 $link = $linksToDisplay [ $keys [ $i ]];
861 $guid = $pageaddr . '?' . smallHash ( $link [ 'linkdate' ]);
862 $iso8601date = linkdate2iso8601 ( $link [ 'linkdate' ]);
863 $latestDate = max ( $latestDate , $iso8601date );
864 $absurl = $link [ 'url' ];
865 if ( startsWith ( $absurl , '?' )) $absurl = $pageaddr . $absurl ; // make permalink URL absolute
866 $entries .= '<entry><title>' . $link [ 'title' ]. '</title>' ;
867 if ( $usepermalinks === true )
868 $entries .= '<link href="' . $guid . '" /><id>' . $guid . '</id>' ;
870 $entries .= '<link href="' . $absurl . '" /><id>' . $guid . '</id>' ;
871 if (! $GLOBALS [ 'config' ][ 'HIDE_TIMESTAMPS' ] || isLoggedIn ()) $entries .= '<updated>' . escape ( $iso8601date ). '</updated>' ;
873 // Add permalink in description
874 $descriptionlink = '(<a href="' . $guid . '">Permalink</a>)' ;
875 // If user wants permalinks first, put the final link in description
876 if ( $usepermalinks === true ) $descriptionlink = '(<a href="' . $absurl . '">Link</a>)' ;
877 if ( strlen ( $link [ 'description' ])> 0 ) $descriptionlink = '<br>' . $descriptionlink ;
879 $entries .= '<content type="html"><![CDATA[' . nl2br ( keepMultipleSpaces ( text2clickable ( $link [ 'description' ]))). $descriptionlink . "]]></content> \n " ;
880 if ( $link [ 'tags' ]!= '' ) // Adding tags to each ATOM entry (as mentioned in ATOM specification)
882 foreach ( explode ( ' ' , $link [ 'tags' ]) as $tag )
883 { $entries
.= '<category scheme="' . $pageaddr
. '" term="' . $tag
. '" />' . " \n " ; }
885 $entries .= "</entry> \n " ;
888 $feed = '<?xml version="1.0" encoding="UTF-8"?><feed xmlns="http://www.w3.org/2005/Atom">' ;
889 $feed .= '<title>' . $GLOBALS [ 'title' ]. '</title>' ;
890 if (! $GLOBALS [ 'config' ][ 'HIDE_TIMESTAMPS' ] || isLoggedIn ()) $feed .= '<updated>' . escape ( $latestDate ). '</updated>' ;
891 $feed .= '<link rel="self" href="' . escape ( server_url ( $_SERVER ). $_SERVER [ "REQUEST_URI" ]). '" />' ;
892 if (! empty ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]))
894 $feed .= '<!-- PubSubHubbub Discovery -->' ;
895 $feed .= '<link rel="hub" href="' . escape ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]). '" />' ;
896 $feed .= '<!-- End Of PubSubHubbub Discovery -->' ;
898 $feed .= '<author><name>' . $pageaddr . '</name><uri>' . $pageaddr . '</uri></author>' ;
899 $feed .= '<id>' . $pageaddr . '</id>' . " \n\n " ; // Yes, I know I should use a real IRI (RFC3987), but the site URL will do.
901 $feed .= '</feed><!-- Cached version of ' . escape ( page_url ( $_SERVER )). ' -->' ;
904 $cache- > cache ( ob_get_contents ());
909 // ------------------------------------------------------------------------------------------
910 // Daily RSS feed: 1 RSS entry per day giving all the links on that day.
911 // Gives the last 7 days (which have links).
912 // This RSS feed cannot be filtered.
913 function showDailyRSS () {
915 $query = $_SERVER [ "QUERY_STRING" ];
916 $cache = new CachedPage (
917 $GLOBALS [ 'config' ][ 'PAGECACHE' ],
919 startsWith ( $query , 'do=dailyrss' ) && ! isLoggedIn ()
921 $cached = $cache- > cachedVersion ();
922 if (! empty ( $cached )) {
927 // If cached was not found (or not usable), then read the database and build the response:
928 // Read links from database (and filter private links if used it not logged in).
929 $LINKSDB = new LinkDB (
930 $GLOBALS [ 'config' ][ 'DATASTORE' ],
932 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ]
935 /* Some Shaarlies may have very few links, so we need to look
936 back in time (rsort()) until we have enough days ($nb_of_days).
938 $linkdates = array ();
939 foreach ( $LINKSDB as $linkdate => $value ) {
940 $linkdates [] = $linkdate ;
943 $nb_of_days = 7 ; // We take 7 days.
944 $today = Date ( 'Ymd' );
947 foreach ( $linkdates as $linkdate ) {
948 $day = substr ( $linkdate , 0 , 8 ); // Extract day (without time)
949 if ( strcmp ( $day , $today ) < 0 ) {
950 if ( empty ( $days [ $day ])) {
951 $days [ $day ] = array ();
953 $days [ $day ][] = $linkdate ;
956 if ( count ( $days ) > $nb_of_days ) {
957 break ; // Have we collected enough days?
961 // Build the RSS feed.
962 header ( 'Content-Type: application/rss+xml; charset=utf-8' );
963 $pageaddr = escape ( index_url ( $_SERVER ));
964 echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">' ;
966 echo '<title>Daily - ' . $GLOBALS [ 'title' ] . '</title>' ;
967 echo '<link>' . $pageaddr . '</link>' ;
968 echo '<description>Daily shared links</description>' ;
969 echo '<language>en-en</language>' ;
970 echo '<copyright>' . $pageaddr . '</copyright>' . PHP_EOL
;
973 foreach ( $days as $day => $linkdates ) {
974 $daydate = linkdate2timestamp ( $day . '_000000' ); // Full text date
975 $rfc822date = linkdate2rfc822 ( $day . '_000000' );
976 $absurl = escape ( index_url ( $_SERVER ). '?do=daily&day=' . $day ); // Absolute URL of the corresponding "Daily" page.
978 // Build the HTML body of this RSS entry.
983 // We pre-format some fields for proper output.
984 foreach ( $linkdates as $linkdate ) {
985 $l = $LINKSDB [ $linkdate ];
986 $l [ 'formatedDescription' ] = nl2br ( keepMultipleSpaces ( text2clickable ( $l [ 'description' ])));
987 $l [ 'thumbnail' ] = thumbnail ( $l [ 'url' ]);
988 $l [ 'timestamp' ] = linkdate2timestamp ( $l [ 'linkdate' ]);
989 if ( startsWith ( $l [ 'url' ], '?' )) {
990 $l [ 'url' ] = index_url ( $_SERVER ) . $l [ 'url' ]; // make permalink URL absolute
992 $links [ $linkdate ] = $l ;
995 // Then build the HTML for this day:
997 $tpl- > assign ( 'title' , $GLOBALS [ 'title' ]);
998 $tpl- > assign ( 'daydate' , $daydate );
999 $tpl- > assign ( 'absurl' , $absurl );
1000 $tpl- > assign ( 'links' , $links );
1001 $tpl- > assign ( 'rfc822date' , escape ( $rfc822date ));
1002 $html = $tpl- > draw ( 'dailyrss' , $return_string = true );
1004 echo $html . PHP_EOL
;
1006 echo '</channel></rss><!-- Cached version of ' . escape ( page_url ( $_SERVER )) . ' -->' ;
1008 $cache- > cache ( ob_get_contents ());
1014 function showDaily ()
1016 $LINKSDB = new LinkDB (
1017 $GLOBALS [ 'config' ][ 'DATASTORE' ],
1019 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ]
1022 $day = Date ( 'Ymd' , strtotime ( '-1 day' )); // Yesterday, in format YYYYMMDD.
1023 if ( isset ( $_GET [ 'day' ])) $day = $_GET [ 'day' ];
1025 $days = $LINKSDB- > days ();
1026 $i = array_search ( $day , $days );
1027 if ( $i === false ) { $i
= count ( $days
)- 1 ; $day
= $days
[ $i
]; }
1032 if ( $i >= 1 ) $previousday = $days [ $i-1 ];
1033 if ( $i < count ( $days )- 1 ) $nextday = $days [ $i +
1 ];
1037 $linksToDisplay = $LINKSDB- > filterDay ( $day );
1038 } catch ( Exception
$exc ) {
1040 $linksToDisplay = array ();
1043 // We pre-format some fields for proper output.
1044 foreach ( $linksToDisplay as $key => $link )
1047 $taglist = explode ( ' ' , $link [ 'tags' ]);
1048 uasort ( $taglist , 'strcasecmp' );
1049 $linksToDisplay [ $key ][ 'taglist' ]= $taglist ;
1050 $linksToDisplay [ $key ][ 'formatedDescription' ]= nl2br ( keepMultipleSpaces ( text2clickable ( $link [ 'description' ])));
1051 $linksToDisplay [ $key ][ 'thumbnail' ] = thumbnail ( $link [ 'url' ]);
1052 $linksToDisplay [ $key ][ 'timestamp' ] = linkdate2timestamp ( $link [ 'linkdate' ]);
1055 /* We need to spread the articles on 3 columns.
1056 I did not want to use a JavaScript lib like http://masonry.desandro.com/
1057 so I manually spread entries with a simple method: I roughly evaluate the
1058 height of a div according to title and description length.
1060 $columns = array ( array (), array (), array ()); // Entries to display, for each column.
1061 $fill = array ( 0 , 0 , 0 ); // Rough estimate of columns fill.
1062 foreach ( $linksToDisplay as $key => $link )
1064 // Roughly estimate length of entry (by counting characters)
1065 // Title: 30 chars = 1 line. 1 line is 30 pixels height.
1066 // Description: 836 characters gives roughly 342 pixel height.
1067 // This is not perfect, but it's usually OK.
1068 $length = strlen ( $link [ 'title' ]) +
( 342 * strlen ( $link [ 'description' ]))/ 836 ;
1069 if ( $link [ 'thumbnail' ]) $length +
= 100 ; // 1 thumbnails roughly takes 100 pixels height.
1070 // Then put in column which is the less filled:
1071 $smallest = min ( $fill ); // find smallest value in array.
1072 $index = array_search ( $smallest , $fill ); // find index of this smallest value.
1073 array_push ( $columns [ $index ], $link ); // Put entry in this column.
1074 $fill [ $index ] +
= $length ;
1076 $PAGE = new pageBuilder
;
1078 'linksToDisplay' => $linksToDisplay ,
1079 'linkcount' => count ( $LINKSDB ),
1081 'day' => linkdate2timestamp ( $day . '_000000' ),
1082 'previousday' => $previousday ,
1083 'nextday' => $nextday ,
1085 $pluginManager = PluginManager
:: getInstance ();
1086 $pluginManager- > executeHooks ( 'render_daily' , $data , array ( 'loggedin' => isLoggedIn ()));
1088 foreach ( $data as $key => $value ) {
1089 $PAGE- > assign ( $key , $value );
1092 $PAGE- > renderPage ( 'daily' );
1096 // Renders the linklist
1097 function showLinkList ( $PAGE , $LINKSDB ) {
1098 buildLinkList ( $PAGE , $LINKSDB ); // Compute list of links to display
1099 $PAGE- > renderPage ( 'linklist' );
1103 // ------------------------------------------------------------------------------------------
1104 // Render HTML page (according to URL parameters and user rights)
1105 function renderPage ()
1107 $LINKSDB = new LinkDB (
1108 $GLOBALS [ 'config' ][ 'DATASTORE' ],
1110 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ]
1113 $PAGE = new pageBuilder
;
1115 // Determine which page will be rendered.
1116 $query = ( isset ( $_SERVER [ 'QUERY_STRING' ])) ? $_SERVER [ 'QUERY_STRING' ] : '' ;
1117 $targetPage = Router
:: findPage ( $query , $_GET , isLoggedIn ());
1119 // Call plugin hooks for header, footer and includes, specifying which page will be rendered.
1120 // Then assign generated data to RainTPL.
1121 $common_hooks = array (
1126 $pluginManager = PluginManager
:: getInstance ();
1127 foreach ( $common_hooks as $name ) {
1128 $plugin_data = array ();
1129 $pluginManager- > executeHooks ( 'render_' . $name , $plugin_data ,
1131 'target' => $targetPage ,
1132 'loggedin' => isLoggedIn ()
1135 $PAGE- > assign ( 'plugins_' . $name , $plugin_data );
1138 // -------- Display login form.
1139 if ( $targetPage == Router
:: $PAGE_LOGIN )
1141 if ( $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ]) { header ( 'Location: ?' ); exit ; } // No need to login for open Shaarli
1142 $token = '' ; if ( ban_canLogin ()) $token = getToken (); // Do not waste token generation if not useful.
1143 $PAGE- > assign ( 'token' , $token );
1144 $PAGE- > assign ( 'returnurl' ,( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]): '' ));
1145 $PAGE- > renderPage ( 'loginform' );
1148 // -------- User wants to logout.
1149 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=logout' ))
1151 invalidateCaches ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]);
1153 header ( 'Location: ?' );
1157 // -------- Picture wall
1158 if ( $targetPage == Router
:: $PAGE_PICWALL )
1160 // Optionally filter the results:
1162 if (! empty ( $_GET [ 'searchterm' ])) $links = $LINKSDB- > filterFulltext ( $_GET [ 'searchterm' ]);
1163 elseif (! empty ( $_GET [ 'searchtags' ])) $links = $LINKSDB- > filterTags ( trim ( $_GET [ 'searchtags' ]));
1164 else $links = $LINKSDB ;
1167 $linksToDisplay = array ();
1169 // Get only links which have a thumbnail.
1170 foreach ( $links as $link )
1172 $permalink = '?' . escape ( smallhash ( $link [ 'linkdate' ]));
1173 $thumb = lazyThumbnail ( $link [ 'url' ], $permalink );
1174 if ( $thumb != '' ) // Only output links which have a thumbnail.
1176 $link [ 'thumbnail' ]= $thumb ; // Thumbnail HTML code.
1177 $linksToDisplay []= $link ; // Add to array.
1182 'linkcount' => count ( $LINKSDB ),
1183 'linksToDisplay' => $linksToDisplay ,
1185 $pluginManager- > executeHooks ( 'render_picwall' , $data , array ( 'loggedin' => isLoggedIn ()));
1187 foreach ( $data as $key => $value ) {
1188 $PAGE- > assign ( $key , $value );
1191 $PAGE- > renderPage ( 'picwall' );
1195 // -------- Tag cloud
1196 if ( $targetPage == Router
:: $PAGE_TAGCLOUD )
1198 $tags = $LINKSDB- > allTags ();
1200 // We sort tags alphabetically, then choose a font size according to count.
1201 // First, find max value.
1202 $maxcount = 0 ; foreach ( $tags as $key => $value ) $maxcount = max ( $maxcount , $value );
1205 foreach ( $tags as $key => $value )
1206 // Tag font size scaling: default 15 and 30 logarithm bases affect scaling, 22 and 6 are arbitrary font sizes for max and min sizes.
1208 $tagList [ $key ] = array ( 'count' => $value , 'size' => log ( $value , 15 ) / log ( $maxcount , 30 ) * ( 22 - 6 ) +
6 );
1212 'linkcount' => count ( $LINKSDB ),
1215 $pluginManager- > executeHooks ( 'render_tagcloud' , $data , array ( 'loggedin' => isLoggedIn ()));
1217 foreach ( $data as $key => $value ) {
1218 $PAGE- > assign ( $key , $value );
1221 $PAGE- > renderPage ( 'tagcloud' );
1225 // Display openseach plugin (XML)
1226 if ( $targetPage == Router
:: $PAGE_OPENSEARCH ) {
1227 header ( 'Content-Type: application/xml; charset=utf-8' );
1228 $PAGE- > assign ( 'serverurl' , index_url ( $_SERVER ));
1229 $PAGE- > renderPage ( 'opensearch' );
1233 // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...)
1234 if ( isset ( $_GET [ 'addtag' ]))
1236 // Get previous URL (http_referer) and add the tag to the searchtags parameters in query.
1237 if ( empty ( $_SERVER [ 'HTTP_REFERER' ])) { header ( 'Location: ?searchtags=' . urlencode ( $_GET
[ 'addtag' ])); exit ; } // In case browser does not send HTTP_REFERER
1238 parse_str ( parse_url ( $_SERVER [ 'HTTP_REFERER' ], PHP_URL_QUERY
), $params );
1240 // Prevent redirection loop
1241 if ( isset ( $params [ 'addtag' ])) {
1242 unset ( $params [ 'addtag' ]);
1245 // Check if this tag is already in the search query and ignore it if it is.
1246 // Each tag is always separated by a space
1247 if ( isset ( $params [ 'searchtags' ])) {
1248 $current_tags = explode ( ' ' , $params [ 'searchtags' ]);
1250 $current_tags = array ();
1253 foreach ( $current_tags as $value ) {
1254 if ( $value === $_GET [ 'addtag' ]) {
1259 // Append the tag if necessary
1260 if ( empty ( $params [ 'searchtags' ])) {
1261 $params [ 'searchtags' ] = trim ( $_GET [ 'addtag' ]);
1264 $params [ 'searchtags' ] = trim ( $params [ 'searchtags' ]). ' ' . trim ( $_GET [ 'addtag' ]);
1267 unset ( $params [ 'page' ]); // We also remove page (keeping the same page has no sense, since the results are different)
1268 header ( 'Location: ?' . http_build_query ( $params ));
1272 // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...)
1273 if ( isset ( $_GET [ 'removetag' ])) {
1274 // Get previous URL (http_referer) and remove the tag from the searchtags parameters in query.
1275 if ( empty ( $_SERVER [ 'HTTP_REFERER' ])) {
1276 header ( 'Location: ?' );
1280 // In case browser does not send HTTP_REFERER
1281 parse_str ( parse_url ( $_SERVER [ 'HTTP_REFERER' ], PHP_URL_QUERY
), $params );
1283 // Prevent redirection loop
1284 if ( isset ( $params [ 'removetag' ])) {
1285 unset ( $params [ 'removetag' ]);
1288 if ( isset ( $params [ 'searchtags' ])) {
1289 $tags = explode ( ' ' , $params [ 'searchtags' ]);
1290 $tags = array_diff ( $tags , array ( $_GET [ 'removetag' ])); // Remove value from array $tags.
1291 if ( count ( $tags )== 0 ) {
1292 unset ( $params [ 'searchtags' ]);
1294 $params [ 'searchtags' ] = implode ( ' ' , $tags );
1296 unset ( $params [ 'page' ]); // We also remove page (keeping the same page has no sense, since the results are different)
1298 header ( 'Location: ?' . http_build_query ( $params ));
1302 // -------- User wants to change the number of links per page (linksperpage=...)
1303 if ( isset ( $_GET [ 'linksperpage' ])) {
1304 if ( is_numeric ( $_GET [ 'linksperpage' ])) {
1305 $_SESSION [ 'LINKS_PER_PAGE' ]= abs ( intval ( $_GET [ 'linksperpage' ]));
1308 header ( 'Location: ' . generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'linksperpage' )));
1312 // -------- User wants to see only private links (toggle)
1313 if ( isset ( $_GET [ 'privateonly' ])) {
1314 if ( empty ( $_SESSION [ 'privateonly' ])) {
1315 $_SESSION [ 'privateonly' ] = 1 ; // See only private links
1317 unset ( $_SESSION [ 'privateonly' ]); // See all links
1320 header ( 'Location: ' . generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'privateonly' )));
1324 // -------- Handle other actions allowed for non-logged in users:
1327 // User tries to post new link but is not logged in:
1328 // Show login screen, then redirect to ?post=...
1329 if ( isset ( $_GET [ 'post' ]))
1331 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.
1335 // Same case as above except that user tried to access ?do=addlink without being logged in
1336 // Note: passing empty parameters makes Shaarli generate default URLs and descriptions.
1337 if ( isset ( $_GET [ 'do' ]) && $_GET [ 'do' ] === 'addlink' ) {
1338 header ( 'Location: ?do=login&post=' );
1341 showLinkList ( $PAGE , $LINKSDB );
1342 if ( isset ( $_GET [ 'edit_link' ])) {
1343 header ( 'Location: ?do=login&edit_link=' . escape ( $_GET [ 'edit_link' ]));
1347 exit ; // Never remove this one! All operations below are reserved for logged in user.
1350 // -------- All other functions are reserved for the registered user:
1352 // -------- Display the Tools menu if requested (import/export/bookmarklet...)
1353 if ( $targetPage == Router
:: $PAGE_TOOLS )
1356 'linkcount' => count ( $LINKSDB ),
1357 'pageabsaddr' => index_url ( $_SERVER ),
1359 $pluginManager- > executeHooks ( 'render_tools' , $data );
1361 foreach ( $data as $key => $value ) {
1362 $PAGE- > assign ( $key , $value );
1365 $PAGE- > renderPage ( 'tools' );
1369 // -------- User wants to change his/her password.
1370 if ( $targetPage == Router
:: $PAGE_CHANGEPASSWORD )
1372 if ( $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ]) die ( 'You are not supposed to change a password on an Open Shaarli.' );
1373 if (! empty ( $_POST [ 'setpassword' ]) && ! empty ( $_POST [ 'oldpassword' ]))
1375 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' ); // Go away!
1377 // Make sure old password is correct.
1378 $oldhash = sha1 ( $_POST [ 'oldpassword' ]. $GLOBALS [ 'login' ]. $GLOBALS [ 'salt' ]);
1379 if ( $oldhash != $GLOBALS [ 'hash' ]) { echo '<script>alert("The old password is not correct.");document.location= \' ?do=changepasswd \' ;</script>' ; exit ; }
1380 // Save new password
1381 $GLOBALS [ 'salt' ] = sha1 ( uniqid ( '' , true ). '_' . mt_rand ()); // Salt renders rainbow-tables attacks useless.
1382 $GLOBALS [ 'hash' ] = sha1 ( $_POST [ 'setpassword' ]. $GLOBALS [ 'login' ]. $GLOBALS [ 'salt' ]);
1384 writeConfig ( $GLOBALS , isLoggedIn ());
1386 catch ( Exception
$e ) {
1388 'ERROR while writing config file after changing password.' . PHP_EOL
.
1392 // TODO: do not handle exceptions/errors in JS.
1393 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ?do=tools \' ;</script>' ;
1396 echo '<script>alert("Your password has been changed.");document.location= \' ?do=tools \' ;</script>' ;
1399 else // show the change password form.
1401 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1402 $PAGE- > assign ( 'token' , getToken ());
1403 $PAGE- > renderPage ( 'changepassword' );
1408 // -------- User wants to change configuration
1409 if ( $targetPage == Router
:: $PAGE_CONFIGURE )
1411 if (! empty ( $_POST [ 'title' ]) )
1413 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' ); // Go away!
1415 if (! empty ( $_POST [ 'continent' ]) && ! empty ( $_POST [ 'city' ]))
1416 if ( isTimeZoneValid ( $_POST [ 'continent' ], $_POST [ 'city' ]))
1417 $tz = $_POST [ 'continent' ]. '/' . $_POST [ 'city' ];
1418 $GLOBALS [ 'timezone' ] = $tz ;
1419 $GLOBALS [ 'title' ]= $_POST [ 'title' ];
1420 $GLOBALS [ 'titleLink' ]= $_POST [ 'titleLink' ];
1421 $GLOBALS [ 'redirector' ]= $_POST [ 'redirector' ];
1422 $GLOBALS [ 'disablesessionprotection' ]=! empty ( $_POST [ 'disablesessionprotection' ]);
1423 $GLOBALS [ 'privateLinkByDefault' ]=! empty ( $_POST [ 'privateLinkByDefault' ]);
1424 $GLOBALS [ 'config' ][ 'ENABLE_RSS_PERMALINKS' ]= ! empty ( $_POST [ 'enableRssPermalinks' ]);
1425 $GLOBALS [ 'config' ][ 'ENABLE_UPDATECHECK' ] = ! empty ( $_POST [ 'updateCheck' ]);
1426 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ] = ! empty ( $_POST [ 'hidePublicLinks' ]);
1428 writeConfig ( $GLOBALS , isLoggedIn ());
1430 catch ( Exception
$e ) {
1432 'ERROR while writing config file after configuration update.' . PHP_EOL
.
1436 // TODO: do not handle exceptions/errors in JS.
1437 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ?do=tools \' ;</script>' ;
1440 echo '<script>alert("Configuration was saved.");document.location= \' ?do=tools \' ;</script>' ;
1443 else // Show the configuration form.
1445 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1446 $PAGE- > assign ( 'token' , getToken ());
1447 $PAGE- > assign ( 'title' , empty ( $GLOBALS [ 'title' ]) ? '' : $GLOBALS [ 'title' ] );
1448 $PAGE- > assign ( 'redirector' , empty ( $GLOBALS [ 'redirector' ]) ? '' : $GLOBALS [ 'redirector' ] );
1449 list ( $timezone_form , $timezone_js ) = generateTimeZoneForm ( $GLOBALS [ 'timezone' ]);
1450 $PAGE- > assign ( 'timezone_form' , $timezone_form );
1451 $PAGE- > assign ( 'timezone_js' , $timezone_js );
1452 $PAGE- > renderPage ( 'configure' );
1457 // -------- User wants to rename a tag or delete it
1458 if ( $targetPage == Router
:: $PAGE_CHANGETAG )
1460 if ( empty ( $_POST [ 'fromtag' ]))
1462 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1463 $PAGE- > assign ( 'token' , getToken ());
1464 $PAGE- > assign ( 'tags' , $LINKSDB- > allTags ());
1465 $PAGE- > renderPage ( 'changetag' );
1468 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' );
1471 if (! empty ( $_POST [ 'deletetag' ]) && ! empty ( $_POST [ 'fromtag' ]))
1473 $needle = trim ( $_POST [ 'fromtag' ]);
1474 $linksToAlter = $LINKSDB- > filterTags ( $needle , true ); // True for case-sensitive tag search.
1475 foreach ( $linksToAlter as $key => $value )
1477 $tags = explode ( ' ' , trim ( $value [ 'tags' ]));
1478 unset ( $tags [ array_search ( $needle , $tags )]); // Remove tag.
1479 $value [ 'tags' ]= trim ( implode ( ' ' , $tags ));
1480 $LINKSDB [ $key ]= $value ;
1482 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]);
1483 echo '<script>alert("Tag was removed from ' . count ( $linksToAlter ). ' links.");document.location= \' ? \' ;</script>' ;
1488 if (! empty ( $_POST [ 'renametag' ]) && ! empty ( $_POST [ 'fromtag' ]) && ! empty ( $_POST [ 'totag' ]))
1490 $needle = trim ( $_POST [ 'fromtag' ]);
1491 $linksToAlter = $LINKSDB- > filterTags ( $needle , true ); // true for case-sensitive tag search.
1492 foreach ( $linksToAlter as $key => $value )
1494 $tags = explode ( ' ' , trim ( $value [ 'tags' ]));
1495 $tags [ array_search ( $needle , $tags )] = trim ( $_POST [ 'totag' ]); // Replace tags value.
1496 $value [ 'tags' ]= trim ( implode ( ' ' , $tags ));
1497 $LINKSDB [ $key ]= $value ;
1499 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]); // Save to disk.
1500 echo '<script>alert("Tag was renamed in ' . count ( $linksToAlter ). ' links.");document.location= \' ?searchtags=' . urlencode ( $_POST [ 'totag' ]). ' \' ;</script>' ;
1505 // -------- User wants to add a link without using the bookmarklet: Show form.
1506 if ( $targetPage == Router
:: $PAGE_ADDLINK )
1508 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1509 $PAGE- > renderPage ( 'addlink' );
1513 // -------- User clicked the "Save" button when editing a link: Save link to database.
1514 if ( isset ( $_POST [ 'save_edit' ]))
1516 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' ); // Go away!
1517 $tags = trim ( preg_replace ( '/\s\s+/' , ' ' , $_POST [ 'lf_tags' ])); // Remove multiple spaces.
1518 $tags = implode ( ' ' , array_unique ( explode ( ' ' , $tags ))); // Remove duplicates.
1519 $linkdate = $_POST [ 'lf_linkdate' ];
1520 $url = trim ( $_POST [ 'lf_url' ]);
1521 if (! startsWith ( $url , 'http:' ) && ! startsWith ( $url , 'https:' ) && ! startsWith ( $url , 'ftp:' ) && ! startsWith ( $url , 'magnet:' ) && ! startsWith ( $url , '?' ) && ! startsWith ( $url , 'javascript:' ))
1522 $url = 'http://' . $url ;
1523 $link = array ( 'title' => trim ( $_POST [ 'lf_title' ]), 'url' => $url , 'description' => trim ( $_POST [ 'lf_description' ]), 'private' =>( isset ( $_POST [ 'lf_private' ]) ? 1 : 0 ),
1524 'linkdate' => $linkdate , 'tags' => str_replace ( ',' , ' ' , $tags ));
1525 if ( $link [ 'title' ]== '' ) $link [ 'title' ]= $link [ 'url' ]; // If title is empty, use the URL as title.
1527 $pluginManager- > executeHooks ( 'save_link' , $link );
1529 $LINKSDB [ $linkdate ] = $link ;
1530 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]); // Save to disk.
1533 // If we are called from the bookmarklet, we must close the popup:
1534 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) {
1535 echo '<script>self.close();</script>' ;
1539 $returnurl = ! empty ( $_POST [ 'returnurl' ]) ? escape ( $_POST [ 'returnurl' ]): '?' ;
1540 $location = generateLocation ( $returnurl , $_SERVER [ 'HTTP_HOST' ], array ( 'addlink' , 'post' , 'edit_link' ));
1541 $location .= '#' . smallHash ( $_POST [ 'lf_linkdate' ]); // Scroll to the link which has been edited.
1542 header ( 'Location: ' . $location ); // After saving the link, redirect to the page the user was on.
1546 // -------- User clicked the "Cancel" button when editing a link.
1547 if ( isset ( $_POST [ 'cancel_edit' ]))
1549 // If we are called from the bookmarklet, we must close the popup:
1550 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) { echo '<script>self.close();</script>' ; exit ; }
1551 $returnurl = ( isset ( $_POST [ 'returnurl' ]) ? $_POST [ 'returnurl' ] : '?' );
1552 $returnurl .= '#' . smallHash ( $_POST [ 'lf_linkdate' ]); // Scroll to the link which has been edited.
1553 $returnurl = generateLocation ( $returnurl , $_SERVER [ 'HTTP_HOST' ], array ( 'addlink' , 'post' , 'edit_link' ));
1554 header ( 'Location: ' . $returnurl ); // After canceling, redirect to the page the user was on.
1558 // -------- User clicked the "Delete" button when editing a link: Delete link from database.
1559 if ( isset ( $_POST [ 'delete_link' ]))
1561 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' );
1562 // We do not need to ask for confirmation:
1563 // - confirmation is handled by JavaScript
1564 // - we are protected from XSRF by the token.
1565 $linkdate = $_POST [ 'lf_linkdate' ];
1567 $pluginManager- > executeHooks ( 'delete_link' , $LINKSDB [ $linkdate ]);
1569 unset ( $LINKSDB [ $linkdate ]);
1570 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]); // save to disk
1572 // If we are called from the bookmarklet, we must close the popup:
1573 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) { echo '<script>self.close();</script>' ; exit ; }
1574 // Pick where we're going to redirect
1575 // =============================================================
1576 // Basically, we can't redirect to where we were previously if it was a permalink
1577 // or an edit_link, because it would 404.
1579 // - / : nothing in $_GET, redirect to self
1580 // - /?page : redirect to self
1581 // - /?searchterm : redirect to self (there might be other links)
1582 // - /?searchtags : redirect to self
1583 // - /permalink : redirect to / (the link does not exist anymore)
1584 // - /?edit_link : redirect to / (the link does not exist anymore)
1585 // PHP treats the permalink as a $_GET variable, so we need to check if every condition for self
1586 // redirect is not satisfied, and only then redirect to /
1589 if ( count ( $_GET ) == 0
1590 || isset ( $_GET [ 'page' ])
1591 || isset ( $_GET [ 'searchterm' ])
1592 || isset ( $_GET [ 'searchtags' ])
1594 if ( isset ( $_POST [ 'returnurl' ])) {
1595 $location = $_POST [ 'returnurl' ]; // Handle redirects given by the form
1597 $location = generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'delete_link' ));
1601 header ( 'Location: ' . $location ); // After deleting the link, redirect to appropriate location
1605 // -------- User clicked the "EDIT" button on a link: Display link edit form.
1606 if ( isset ( $_GET [ 'edit_link' ]))
1608 $link = $LINKSDB [ $_GET [ 'edit_link' ]]; // Read database
1609 if (! $link ) { header ( 'Location: ?' ); exit ; } // Link not found in database.
1611 'linkcount' => count ( $LINKSDB ),
1613 'link_is_new' => false ,
1614 'token' => getToken (),
1615 'http_referer' => ( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]) : '' ),
1616 'tags' => $LINKSDB- > allTags (),
1618 $pluginManager- > executeHooks ( 'render_editlink' , $data );
1620 foreach ( $data as $key => $value ) {
1621 $PAGE- > assign ( $key , $value );
1624 $PAGE- > renderPage ( 'editlink' );
1628 // -------- User want to post a new link: Display link edit form.
1629 if ( isset ( $_GET [ 'post' ])) {
1630 $url = cleanup_url ( $_GET [ 'post' ]);
1632 $link_is_new = false ;
1633 // Check if URL is not already in database (in this case, we will edit the existing link)
1634 $link = $LINKSDB- > getLinkFromUrl ( $url );
1637 $link_is_new = true ;
1638 $linkdate = strval ( date ( 'Ymd_His' ));
1639 // Get title if it was provided in URL (by the bookmarklet).
1640 $title = empty ( $_GET [ 'title' ]) ? '' : escape ( $_GET [ 'title' ]);
1641 // Get description if it was provided in URL (by the bookmarklet). [Bronco added that]
1642 $description = empty ( $_GET [ 'description' ]) ? '' : escape ( $_GET [ 'description' ]);
1643 $tags = empty ( $_GET [ 'tags' ]) ? '' : escape ( $_GET [ 'tags' ]);
1644 $private = ! empty ( $_GET [ 'private' ]) && $_GET [ 'private' ] === "1" ? 1 : 0 ;
1645 // 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.)
1646 if ( empty ( $title ) && strpos ( get_url_scheme ( $url ), 'http' ) !== false ) {
1647 // Short timeout to keep the application responsive
1648 list ( $headers , $data ) = get_http_url ( $url , 4 );
1649 // FIXME: Decode charset according to specified in either 1) HTTP response headers or 2) <head> in html
1650 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
1651 // Look for charset in html header.
1652 preg_match ( '#<meta .*charset=.*>#Usi' , $data , $meta );
1654 // If found, extract encoding.
1655 if (! empty ( $meta [ 0 ])) {
1656 // Get encoding specified in header.
1657 preg_match ( '#charset="?(.*)"#si' , $meta [ 0 ], $enc );
1658 // If charset not found, use utf-8.
1659 $html_charset = (! empty ( $enc [ 1 ])) ? strtolower ( $enc [ 1 ]) : 'utf-8' ;
1662 $html_charset = 'utf-8' ;
1666 $title = html_extract_title ( $data );
1667 if (! empty ( $title )) {
1668 // Re-encode title in utf-8 if necessary.
1669 $title = ( $html_charset == 'iso-8859-1' ) ? utf8_encode ( $title ) : $title ;
1674 $url = '?' . smallHash ( $linkdate );
1678 'linkdate' => $linkdate ,
1681 'description' => $description ,
1683 'private' => $private
1688 'linkcount' => count ( $LINKSDB ),
1690 'link_is_new' => $link_is_new ,
1691 'token' => getToken (), // XSRF protection.
1692 'http_referer' => ( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]) : '' ),
1693 'source' => ( isset ( $_GET [ 'source' ]) ? $_GET [ 'source' ] : '' ),
1694 'tags' => $LINKSDB- > allTags (),
1696 $pluginManager- > executeHooks ( 'render_editlink' , $data );
1698 foreach ( $data as $key => $value ) {
1699 $PAGE- > assign ( $key , $value );
1702 $PAGE- > renderPage ( 'editlink' );
1706 // -------- Export as Netscape Bookmarks HTML file.
1707 if ( $targetPage == Router
:: $PAGE_EXPORT )
1709 if ( empty ( $_GET [ 'what' ]))
1711 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1712 $PAGE- > renderPage ( 'export' );
1715 $exportWhat = $_GET [ 'what' ];
1716 if (! array_intersect ( array ( 'all' , 'public' , 'private' ), array ( $exportWhat ))) die ( 'What are you trying to export???' );
1718 header ( 'Content-Type: text/html; charset=utf-8' );
1719 header ( 'Content-disposition: attachment; filename=bookmarks_' . $exportWhat . '_' . strval ( date ( 'Ymd_His' )). '.html' );
1720 $currentdate = date ( 'Y/m/d H:i:s' );
1722 <!DOCTYPE NETSCAPE-Bookmark-file-1>
1723 <!-- This is an automatically generated file.
1724 It will be read and overwritten.
1726 <!-- Shaarli {$exportWhat} bookmarks export on {$currentdate} -->
1727 <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8">
1728 <TITLE>Bookmarks</TITLE>
1731 foreach ( $LINKSDB as $link )
1733 if ( $exportWhat == 'all' ||
1734 ( $exportWhat == 'private' && $link [ 'private' ]!= 0 ) ||
1735 ( $exportWhat == 'public' && $link [ 'private' ]== 0 ))
1737 echo '<DT><A HREF="' . $link [ 'url' ]. '" ADD_DATE="' . linkdate2timestamp ( $link [ 'linkdate' ]). '" PRIVATE="' . $link [ 'private' ]. '"' ;
1738 if ( $link [ 'tags' ]!= '' ) echo ' TAGS="' . str_replace ( ' ' , ',' , $link [ 'tags' ]). '"' ;
1739 echo '>' . $link [ 'title' ]. "</A> \n " ;
1740 if ( $link [ 'description' ]!= '' ) echo '<DD>' . $link [ 'description' ]. " \n " ;
1746 // -------- User is uploading a file for import
1747 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=upload' ))
1749 // If file is too big, some form field may be missing.
1750 if (! isset ( $_POST [ 'token' ]) || (! isset ( $_FILES )) || ( isset ( $_FILES [ 'filetoupload' ][ 'size' ]) && $_FILES [ 'filetoupload' ][ 'size' ]== 0 ))
1752 $returnurl = ( empty ( $_SERVER [ 'HTTP_REFERER' ]) ? '?' : $_SERVER [ 'HTTP_REFERER' ] );
1753 echo '<script>alert("The file you are trying to upload is probably bigger than what this webserver can accept (' . getMaxFileSize (). ' bytes). Please upload in smaller chunks.");document.location= \' ' . escape ( $returnurl ). ' \' ;</script>' ;
1756 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' );
1761 // -------- Show upload/import dialog:
1762 if ( $targetPage == Router
:: $PAGE_IMPORT )
1764 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1765 $PAGE- > assign ( 'token' , getToken ());
1766 $PAGE- > assign ( 'maxfilesize' , getMaxFileSize ());
1767 $PAGE- > renderPage ( 'import' );
1771 // -------- Otherwise, simply display search form and links:
1772 showLinkList ( $PAGE , $LINKSDB );
1776 // -----------------------------------------------------------------------------------------------
1777 // Process the import file form.
1778 function importFile ()
1780 if (! isLoggedIn ()) { die ( 'Not allowed.' ); }
1781 $LINKSDB = new LinkDB (
1782 $GLOBALS [ 'config' ][ 'DATASTORE' ],
1784 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ]
1786 $filename = $_FILES [ 'filetoupload' ][ 'name' ];
1787 $filesize = $_FILES [ 'filetoupload' ][ 'size' ];
1788 $data = file_get_contents ( $_FILES [ 'filetoupload' ][ 'tmp_name' ]);
1789 $private = ( empty ( $_POST [ 'private' ]) ? 0 : 1 ); // Should the links be imported as private?
1790 $overwrite = ! empty ( $_POST [ 'overwrite' ]) ; // Should the imported links overwrite existing ones?
1795 if ( startsWith ( $data , '<!DOCTYPE NETSCAPE-Bookmark-file-1>' )) $type = 'netscape' ; // Netscape bookmark file (aka Firefox).
1797 // Then import the bookmarks.
1798 if ( $type == 'netscape' )
1800 // This is a standard Netscape-style bookmark file.
1801 // This format is supported by all browsers (except IE, of course), also Delicious, Diigo and others.
1802 foreach ( explode ( '<DT>' , $data ) as $html ) // explode is very fast
1804 $link = array ( 'linkdate' => '' , 'title' => '' , 'url' => '' , 'description' => '' , 'tags' => '' , 'private' => 0 );
1805 $d = explode ( '<DD>' , $html );
1806 if ( startswith ( $d [ 0 ], '<A ' ))
1808 $link [ 'description' ] = ( isset ( $d [ 1 ]) ? html_entity_decode ( trim ( $d [ 1 ]), ENT_QUOTES
, 'UTF-8' ) : '' ); // Get description (optional)
1809 preg_match ( '!<A .*?>(.*?)</A>!i' , $d [ 0 ], $matches ); $link [ 'title' ] = ( isset ( $matches [ 1 ]) ? trim ( $matches [ 1 ]) : '' ); // Get title
1810 $link [ 'title' ] = html_entity_decode ( $link [ 'title' ], ENT_QUOTES
, 'UTF-8' );
1811 preg_match_all ( '! ([A-Z_]+)= \" (.*?)"!i' , $html , $matches , PREG_SET_ORDER
); // Get all other attributes
1813 foreach ( $matches as $m )
1815 $attr = $m [ 1 ]; $value = $m [ 2 ];
1816 if ( $attr == 'HREF' ) $link [ 'url' ]= html_entity_decode ( $value , ENT_QUOTES
, 'UTF-8' );
1817 elseif ( $attr == 'ADD_DATE' )
1819 $raw_add_date = intval ( $value );
1820 if ( $raw_add_date > 30000000000 ) $raw_add_date /= 1000 ; //If larger than year 2920, then was likely stored in milliseconds instead of seconds
1822 elseif ( $attr == 'PRIVATE' ) $link [ 'private' ]=( $value == '0' ? 0 : 1 );
1823 elseif ( $attr == 'TAGS' ) $link [ 'tags' ]= html_entity_decode ( str_replace ( ',' , ' ' , $value ), ENT_QUOTES
, 'UTF-8' );
1825 if ( $link [ 'url' ]!= '' )
1827 if ( $private == 1 ) $link [ 'private' ]= 1 ;
1828 $dblink = $LINKSDB- > getLinkFromUrl ( $link [ 'url' ]); // See if the link is already in database.
1830 { // Link not in database, let's import it...
1831 if ( empty ( $raw_add_date )) $raw_add_date = time (); // In case of shitty bookmark file with no ADD_DATE
1833 // Make sure date/time is not already used by another link.
1834 // (Some bookmark files have several different links with the same ADD_DATE)
1835 // We increment date by 1 second until we find a date which is not used in DB.
1836 // (so that links that have the same date/time are more or less kept grouped by date, but do not conflict.)
1837 while (! empty ( $LINKSDB [ date ( 'Ymd_His' , $raw_add_date )])) { $raw_add_date++
; } // Yes, I know it's ugly.
1838 $link [ 'linkdate' ]= date ( 'Ymd_His' , $raw_add_date );
1839 $LINKSDB [ $link [ 'linkdate' ]] = $link ;
1842 else // Link already present in database.
1845 { // If overwrite is required, we import link data, except date/time.
1846 $link [ 'linkdate' ]= $dblink [ 'linkdate' ];
1847 $LINKSDB [ $link [ 'linkdate' ]] = $link ;
1855 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]);
1857 echo '<script>alert("File ' . json_encode ( $filename ). ' (' . $filesize . ' bytes) was successfully processed: ' . $import_count . ' links imported.");document.location= \' ? \' ;</script>' ;
1861 echo '<script>alert("File ' . json_encode ( $filename ). ' (' . $filesize . ' bytes) has an unknown file format. Nothing was imported.");document.location= \' ? \' ;</script>' ;
1865 // -----------------------------------------------------------------------------------------------
1866 // Template for the list of links (<div id="linklist">)
1867 // This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
1868 function buildLinkList ( $PAGE , $LINKSDB )
1870 // ---- Filter link database according to parameters
1871 $linksToDisplay = array ();
1874 if ( isset ( $_GET [ 'searchterm' ])) // Fulltext search
1876 $linksToDisplay = $LINKSDB- > filterFulltext ( trim ( $_GET [ 'searchterm' ]));
1877 $search_crits = escape ( trim ( $_GET [ 'searchterm' ]));
1878 $search_type = 'fulltext' ;
1880 elseif ( isset ( $_GET [ 'searchtags' ])) // Search by tag
1882 $linksToDisplay = $LINKSDB- > filterTags ( trim ( $_GET [ 'searchtags' ]));
1883 $search_crits = explode ( ' ' , escape ( trim ( $_GET [ 'searchtags' ])));
1884 $search_type = 'tags' ;
1886 elseif ( isset ( $_SERVER [ 'QUERY_STRING' ]) && preg_match ( '/[a-zA-Z0-9-_@] {6} (&.+?)?/' , $_SERVER [ 'QUERY_STRING' ])) // Detect smallHashes in URL
1888 $linksToDisplay = $LINKSDB- > filterSmallHash ( substr ( trim ( $_SERVER [ "QUERY_STRING" ], '/' ), 0 , 6 ));
1889 if ( count ( $linksToDisplay )== 0 )
1891 header ( $_SERVER [ "SERVER_PROTOCOL" ]. " 404 Not Found" );
1892 echo '<h1>404 Not found.</h1>Oh crap. The link you are trying to reach does not exist or has been deleted.' ;
1893 echo '<br>Would you mind <a href="?">clicking here</a>?' ;
1896 $search_type = 'permalink' ;
1899 $linksToDisplay = $LINKSDB ; // Otherwise, display without filtering.
1902 // Option: Show only private links
1903 if (! empty ( $_SESSION [ 'privateonly' ]))
1906 foreach ( $linksToDisplay as $linkdate => $link )
1908 if ( $link [ 'private' ]!= 0 ) $tmp [ $linkdate ]= $link ;
1910 $linksToDisplay = $tmp ;
1913 // ---- Handle paging.
1914 /* Can someone explain to me why you get the following error when using array_keys() on an object which implements the interface ArrayAccess???
1915 "Warning: array_keys() expects parameter 1 to be array, object given in ... "
1916 If my class implements ArrayAccess, why won't array_keys() accept it ? ( $keys=array_keys($linksToDisplay); )
1918 $keys = array (); foreach ( $linksToDisplay as $key => $value ) { $keys
[]= $key
; } // Stupid and ugly. Thanks PHP.
1920 // If there is only a single link, we change on-the-fly the title of the page.
1921 if ( count ( $linksToDisplay )== 1 ) $GLOBALS [ 'pagetitle' ] = $linksToDisplay [ $keys [ 0 ]][ 'title' ]. ' - ' . $GLOBALS [ 'title' ];
1923 // Select articles according to paging.
1924 $pagecount = ceil ( count ( $keys )/ $_SESSION [ 'LINKS_PER_PAGE' ]);
1925 $pagecount = ( $pagecount == 0 ? 1 : $pagecount );
1926 $page =( empty ( $_GET [ 'page' ]) ? 1 : intval ( $_GET [ 'page' ]));
1927 $page = ( $page < 1 ? 1 : $page );
1928 $page = ( $page > $pagecount ? $pagecount : $page );
1929 $i = ( $page-1 )* $_SESSION [ 'LINKS_PER_PAGE' ]; // Start index.
1930 $end = $i +
$_SESSION [ 'LINKS_PER_PAGE' ];
1931 $linkDisp = array (); // Links to display
1932 while ( $i < $end && $i < count ( $keys ))
1934 $link = $linksToDisplay [ $keys [ $i ]];
1935 $link [ 'description' ]= nl2br ( keepMultipleSpaces ( text2clickable ( $link [ 'description' ])));
1936 $title = $link [ 'title' ];
1937 $classLi = $i %
2 != 0 ? '' : 'publicLinkHightLight' ;
1938 $link [ 'class' ] = ( $link [ 'private' ]== 0 ? $classLi : 'private' );
1939 $link [ 'timestamp' ]= linkdate2timestamp ( $link [ 'linkdate' ]);
1940 $taglist = explode ( ' ' , $link [ 'tags' ]);
1941 uasort ( $taglist , 'strcasecmp' );
1942 $link [ 'taglist' ]= $taglist ;
1943 $link [ 'shorturl' ] = smallHash ( $link [ 'linkdate' ]);
1944 if ( $link [ "url" ][ 0 ] === '?' && // Check for both signs of a note: starting with ? and 7 chars long. I doubt that you'll post any links that look like this.
1945 strlen ( $link [ "url" ]) === 7 ) {
1946 $link [ "url" ] = index_url ( $_SERVER ) . $link [ "url" ];
1949 $linkDisp [ $keys [ $i ]] = $link ;
1953 // Compute paging navigation
1954 $searchterm = ( empty ( $_GET [ 'searchterm' ]) ? '' : '&searchterm=' . $_GET [ 'searchterm' ] );
1955 $searchtags = ( empty ( $_GET [ 'searchtags' ]) ? '' : '&searchtags=' . $_GET [ 'searchtags' ] );
1957 $previous_page_url = '' ; if ( $i != count ( $keys )) $previous_page_url = '?page=' .( $page +
1 ). $searchterm . $searchtags ;
1958 $next_page_url = '' ; if ( $page > 1 ) $next_page_url = '?page=' .( $page-1 ). $searchterm . $searchtags ;
1960 $token = '' ; if ( isLoggedIn ()) $token = getToken ();
1962 // Fill all template fields.
1964 'linkcount' => count ( $LINKSDB ),
1965 'previous_page_url' => $previous_page_url ,
1966 'next_page_url' => $next_page_url ,
1967 'page_current' => $page ,
1968 'page_max' => $pagecount ,
1969 'result_count' => count ( $linksToDisplay ),
1970 'search_type' => $search_type ,
1971 'search_crits' => $search_crits ,
1972 'redirector' => empty ( $GLOBALS [ 'redirector' ]) ? '' : $GLOBALS [ 'redirector' ], // Optional redirector URL.
1974 'links' => $linkDisp ,
1975 'tags' => $LINKSDB- > allTags (),
1978 $pluginManager = PluginManager
:: getInstance ();
1979 $pluginManager- > executeHooks ( 'render_linklist' , $data , array ( 'loggedin' => isLoggedIn ()));
1981 foreach ( $data as $key => $value ) {
1982 $PAGE- > assign ( $key , $value );
1988 // Compute the thumbnail for a link.
1990 // With a link to the original URL.
1991 // Understands various services (youtube.com...)
1992 // Input: $url = URL for which the thumbnail must be found.
1993 // $href = if provided, this URL will be followed instead of $url
1994 // Returns an associative array with thumbnail attributes (src,href,width,height,style,alt)
1995 // Some of them may be missing.
1996 // Return an empty array if no thumbnail available.
1997 function computeThumbnail ( $url , $href = false )
1999 if (! $GLOBALS [ 'config' ][ 'ENABLE_THUMBNAILS' ]) return array ();
2000 if ( $href == false ) $href = $url ;
2002 // For most hosts, the URL of the thumbnail can be easily deduced from the URL of the link.
2003 // (e.g. http://www.youtube.com/watch?v=spVypYk4kto ---> http://img.youtube.com/vi/spVypYk4kto/default.jpg )
2004 // ^^^^^^^^^^^ ^^^^^^^^^^^
2005 $domain = parse_url ( $url , PHP_URL_HOST
);
2006 if ( $domain == 'youtube.com' || $domain == 'www.youtube.com' )
2008 parse_str ( parse_url ( $url , PHP_URL_QUERY
), $params ); // Extract video ID and get thumbnail
2009 if (! empty ( $params [ 'v' ])) return array ( 'src' => 'https://img.youtube.com/vi/' . $params [ 'v' ]. '/default.jpg' ,
2010 'href' => $href , 'width' => '120' , 'height' => '90' , 'alt' => 'YouTube thumbnail' );
2012 if ( $domain == 'youtu.be' ) // Youtube short links
2014 $path = parse_url ( $url , PHP_URL_PATH
);
2015 return array ( 'src' => 'https://img.youtube.com/vi' . $path . '/default.jpg' ,
2016 'href' => $href , 'width' => '120' , 'height' => '90' , 'alt' => 'YouTube thumbnail' );
2018 if ( $domain == 'pix.toile-libre.org' ) // pix.toile-libre.org image hosting
2020 parse_str ( parse_url ( $url , PHP_URL_QUERY
), $params ); // Extract image filename.
2021 if (! empty ( $params ) && ! empty ( $params [ 'img' ])) return array ( 'src' => 'http://pix.toile-libre.org/upload/thumb/' . urlencode ( $params [ 'img' ]),
2022 'href' => $href , 'style' => 'max-width:120px; max-height:150px' , 'alt' => 'pix.toile-libre.org thumbnail' );
2025 if ( $domain == 'imgur.com' )
2027 $path = parse_url ( $url , PHP_URL_PATH
);
2028 if ( startsWith ( $path , '/a/' )) return array (); // Thumbnails for albums are not available.
2029 if ( startsWith ( $path , '/r/' )) return array ( 'src' => 'https://i.imgur.com/' . basename ( $path ). 's.jpg' ,
2030 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
2031 if ( startsWith ( $path , '/gallery/' )) return array ( 'src' => 'https://i.imgur.com' . substr ( $path , 8 ). 's.jpg' ,
2032 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
2034 if ( substr_count ( $path , '/' )== 1 ) return array ( 'src' => 'https://i.imgur.com/' . substr ( $path , 1 ). 's.jpg' ,
2035 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
2037 if ( $domain == 'i.imgur.com' )
2039 $pi = pathinfo ( parse_url ( $url , PHP_URL_PATH
));
2040 if (! empty ( $pi [ 'filename' ])) return array ( 'src' => 'https://i.imgur.com/' . $pi [ 'filename' ]. 's.jpg' ,
2041 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
2043 if ( $domain == 'dailymotion.com' || $domain == 'www.dailymotion.com' )
2045 if ( strpos ( $url , 'dailymotion.com/video/' )!== false )
2047 $thumburl = str_replace ( 'dailymotion.com/video/' , 'dailymotion.com/thumbnail/video/' , $url );
2048 return array ( 'src' => $thumburl ,
2049 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'DailyMotion thumbnail' );
2052 if ( endsWith ( $domain , '.imageshack.us' ))
2054 $ext = strtolower ( pathinfo ( $url , PATHINFO_EXTENSION
));
2055 if ( $ext == 'jpg' || $ext == 'jpeg' || $ext == 'png' || $ext == 'gif' )
2057 $thumburl = substr ( $url , 0 , strlen ( $url )- strlen ( $ext )). 'th.' . $ext ;
2058 return array ( 'src' => $thumburl ,
2059 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'imageshack.us thumbnail' );
2063 // Some other hosts are SLOW AS HELL and usually require an extra HTTP request to get the thumbnail URL.
2064 // So we deport the thumbnail generation in order not to slow down page generation
2065 // (and we also cache the thumbnail)
2067 if (! $GLOBALS [ 'config' ][ 'ENABLE_LOCALCACHE' ]) return array (); // If local cache is disabled, no thumbnails for services which require the use a local cache.
2069 if ( $domain == 'flickr.com' || endsWith ( $domain , '.flickr.com' )
2070 || $domain == 'vimeo.com'
2071 || $domain == 'ted.com' || endsWith ( $domain , '.ted.com' )
2072 || $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' )
2075 if ( $domain == 'vimeo.com' )
2076 { // Make sure this vimeo URL points to a video (/xxx... where xxx is numeric)
2077 $path = parse_url ( $url , PHP_URL_PATH
);
2078 if (! preg_match ( '!/\d+.+?!' , $path )) return array (); // This is not a single video URL.
2080 if ( $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' ))
2081 { // Make sure this URL points to a single comic (/xxx... where xxx is numeric)
2082 $path = parse_url ( $url , PHP_URL_PATH
);
2083 if (! preg_match ( '!/\d+.+?!' , $path )) return array ();
2085 if ( $domain == 'ted.com' || endsWith ( $domain , '.ted.com' ))
2086 { // Make sure this TED URL points to a video (/talks/...)
2087 $path = parse_url ( $url , PHP_URL_PATH
);
2088 if ( "/talks/" !== substr ( $path , 0 , 7 )) return array (); // This is not a single video URL.
2090 $sign = hash_hmac ( 'sha256' , $url , $GLOBALS [ 'salt' ]); // We use the salt to sign data (it's random, secret, and specific to each installation)
2091 return array ( 'src' => index_url ( $_SERVER ). '?do=genthumbnail&hmac=' . $sign . '&url=' . urlencode ( $url ),
2092 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'thumbnail' );
2095 // For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif
2096 // Technically speaking, we should download ALL links and check their Content-Type to see if they are images.
2097 // But using the extension will do.
2098 $ext = strtolower ( pathinfo ( $url , PATHINFO_EXTENSION
));
2099 if ( $ext == 'jpg' || $ext == 'jpeg' || $ext == 'png' || $ext == 'gif' )
2101 $sign = hash_hmac ( 'sha256' , $url , $GLOBALS [ 'salt' ]); // We use the salt to sign data (it's random, secret, and specific to each installation)
2102 return array ( 'src' => index_url ( $_SERVER ). '?do=genthumbnail&hmac=' . $sign . '&url=' . urlencode ( $url ),
2103 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'thumbnail' );
2105 return array (); // No thumbnail.
2110 // Returns the HTML code to display a thumbnail for a link
2111 // with a link to the original URL.
2112 // Understands various services (youtube.com...)
2113 // Input: $url = URL for which the thumbnail must be found.
2114 // $href = if provided, this URL will be followed instead of $url
2115 // Returns '' if no thumbnail available.
2116 function thumbnail ( $url , $href = false )
2118 $t = computeThumbnail ( $url , $href );
2119 if ( count ( $t )== 0 ) return '' ; // Empty array = no thumbnail for this URL.
2121 $html = '<a href="' . escape ( $t [ 'href' ]). '"><img src="' . escape ( $t [ 'src' ]). '"' ;
2122 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
2123 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
2124 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
2125 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
2130 // Returns the HTML code to display a thumbnail for a link
2131 // for the picture wall (using lazy image loading)
2132 // Understands various services (youtube.com...)
2133 // Input: $url = URL for which the thumbnail must be found.
2134 // $href = if provided, this URL will be followed instead of $url
2135 // Returns '' if no thumbnail available.
2136 function lazyThumbnail ( $url , $href = false )
2138 $t = computeThumbnail ( $url , $href );
2139 if ( count ( $t )== 0 ) return '' ; // Empty array = no thumbnail for this URL.
2141 $html = '<a href="' . escape ( $t [ 'href' ]). '">' ;
2144 $html .= '<img class="b-lazy" src="#" data-src="' . escape ( $t [ 'src' ]). '"' ;
2146 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
2147 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
2148 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
2149 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
2152 // No-JavaScript fallback.
2153 $html .= '<noscript><img src="' . escape ( $t [ 'src' ]). '"' ;
2154 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
2155 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
2156 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
2157 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
2158 $html .= '></noscript></a>' ;
2164 // -----------------------------------------------------------------------------------------------
2166 // This function should NEVER be called if the file data/config.php exists.
2169 // On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
2170 if ( endsWith ( $_SERVER [ 'HTTP_HOST' ], '.free.fr' ) && ! is_dir ( $_SERVER [ 'DOCUMENT_ROOT' ]. '/sessions' )) mkdir ( $_SERVER [ 'DOCUMENT_ROOT' ]. '/sessions' , 0705 );
2173 // This part makes sure sessions works correctly.
2174 // (Because on some hosts, session.save_path may not be set correctly,
2175 // or we may not have write access to it.)
2176 if ( isset ( $_GET [ 'test_session' ]) && ( ! isset ( $_SESSION ) || ! isset ( $_SESSION [ 'session_tested' ]) || $_SESSION [ 'session_tested' ]!= 'Working' ))
2177 { // Step 2: Check if data in session is correct.
2178 echo '<pre>Sessions do not seem to work correctly on your server.<br>' ;
2179 echo 'Make sure the variable session.save_path is set correctly in your php config, and that you have write access to it.<br>' ;
2180 echo 'It currently points to ' . session_save_path (). '<br>' ;
2181 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>' ;
2182 echo '<br><a href="?">Click to try again.</a></pre>' ;
2185 if (! isset ( $_SESSION [ 'session_tested' ]))
2186 { // Step 1 : Try to store data in session and reload page.
2187 $_SESSION [ 'session_tested' ] = 'Working' ; // Try to set a variable in session.
2188 header ( 'Location: ' . index_url ( $_SERVER ). '?test_session' ); // Redirect to check stored data.
2190 if ( isset ( $_GET [ 'test_session' ]))
2191 { // Step 3: Sessions are OK. Remove test parameter from URL.
2192 header ( 'Location: ' . index_url ( $_SERVER ));
2196 if (! empty ( $_POST [ 'setlogin' ]) && ! empty ( $_POST [ 'setpassword' ]))
2199 if (! empty ( $_POST [ 'continent' ]) && ! empty ( $_POST [ 'city' ])) {
2200 if ( isTimeZoneValid ( $_POST [ 'continent' ], $_POST [ 'city' ])) {
2201 $tz = $_POST [ 'continent' ]. '/' . $_POST [ 'city' ];
2204 $GLOBALS [ 'timezone' ] = $tz ;
2205 // Everything is ok, let's create config file.
2206 $GLOBALS [ 'login' ] = $_POST [ 'setlogin' ];
2207 $GLOBALS [ 'salt' ] = sha1 ( uniqid ( '' , true ). '_' . mt_rand ()); // Salt renders rainbow-tables attacks useless.
2208 $GLOBALS [ 'hash' ] = sha1 ( $_POST [ 'setpassword' ]. $GLOBALS [ 'login' ]. $GLOBALS [ 'salt' ]);
2209 $GLOBALS [ 'title' ] = ( empty ( $_POST [ 'title' ]) ? 'Shared links on ' . escape ( index_url ( $_SERVER )) : $_POST [ 'title' ] );
2210 $GLOBALS [ 'config' ][ 'ENABLE_UPDATECHECK' ] = ! empty ( $_POST [ 'updateCheck' ]);
2212 writeConfig ( $GLOBALS , isLoggedIn ());
2214 catch ( Exception
$e ) {
2216 'ERROR while writing config file after installation.' . PHP_EOL
.
2220 // TODO: do not handle exceptions/errors in JS.
2221 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ? \' ;</script>' ;
2224 echo '<script>alert("Shaarli is now configured. Please enter your login/password and start shaaring your links!");document.location= \' ?do=login \' ;</script>' ;
2228 // Display config form:
2229 list ( $timezone_form , $timezone_js ) = generateTimeZoneForm ();
2230 $timezone_html = '' ;
2231 if ( $timezone_form != '' ) {
2232 $timezone_html = '<tr><td><b>Timezone:</b></td><td>' . $timezone_form . '</td></tr>' ;
2235 $PAGE = new pageBuilder
;
2236 $PAGE- > assign ( 'timezone_html' , $timezone_html );
2237 $PAGE- > assign ( 'timezone_js' , $timezone_js );
2238 $PAGE- > renderPage ( 'install' );
2242 /* Because some f*cking services like flickr require an extra HTTP request to get the thumbnail URL,
2243 I have deported the thumbnail URL code generation here, otherwise this would slow down page generation.
2244 The following function takes the URL a link (e.g. a flickr page) and return the proper thumbnail.
2245 This function is called by passing the URL:
2246 http://mywebsite.com/shaarli/?do=genthumbnail&hmac=[HMAC]&url=[URL]
2247 [URL] is the URL of the link (e.g. a flickr page)
2248 [HMAC] is the signature for the [URL] (so that these URL cannot be forged).
2249 The function below will fetch the image from the webservice and store it in the cache.
2251 function genThumbnail ()
2253 // Make sure the parameters in the URL were generated by us.
2254 $sign = hash_hmac ( 'sha256' , $_GET [ 'url' ], $GLOBALS [ 'salt' ]);
2255 if ( $sign != $_GET [ 'hmac' ]) die ( 'Naughty boy!' );
2257 // Let's see if we don't already have the image for this URL in the cache.
2258 $thumbname = hash ( 'sha1' , $_GET [ 'url' ]). '.jpg' ;
2259 if ( is_file ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname ))
2260 { // We have the thumbnail, just serve it:
2261 header ( 'Content-Type: image/jpeg' );
2262 echo file_get_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname );
2265 // We may also serve a blank image (if service did not respond)
2266 $blankname = hash ( 'sha1' , $_GET [ 'url' ]). '.gif' ;
2267 if ( is_file ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $blankname ))
2269 header ( 'Content-Type: image/gif' );
2270 echo file_get_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $blankname );
2274 // Otherwise, generate the thumbnail.
2275 $url = $_GET [ 'url' ];
2276 $domain = parse_url ( $url , PHP_URL_HOST
);
2278 if ( $domain == 'flickr.com' || endsWith ( $domain , '.flickr.com' ))
2280 // Crude replacement to handle new flickr domain policy (They prefer www. now)
2281 $url = str_replace ( 'http://flickr.com/' , 'http://www.flickr.com/' , $url );
2283 // Is this a link to an image, or to a flickr page ?
2285 if ( endswith ( parse_url ( $url , PHP_URL_PATH
), '.jpg' ))
2286 { // This is a direct link to an image. e.g. http://farm1.staticflickr.com/5/5921913_ac83ed27bd_o.jpg
2287 preg_match ( '!(http://farm\d+\.staticflickr\.com/\d+/\d+_\w+_)\w.jpg!' , $url , $matches );
2288 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ]. 'm.jpg' ;
2290 else // This is a flickr page (html)
2292 // Get the flickr html page.
2293 list ( $headers , $data ) = get_http_url ( $url , 20 );
2294 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false )
2296 // flickr now nicely provides the URL of the thumbnail in each flickr page.
2297 preg_match ( '!<link rel= \" image_src \" href= \" (.+?) \" !' , $data , $matches );
2298 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ];
2300 // In albums (and some other pages), the link rel="image_src" is not provided,
2301 // but flickr provides:
2302 // <meta property="og:image" content="http://farm4.staticflickr.com/3398/3239339068_25d13535ff_z.jpg" />
2305 preg_match ( '!<meta property= \" og:image \" content= \" (.+?) \" !' , $data , $matches );
2306 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ];
2312 { // Let's download the image.
2313 // Image is 240x120, so 10 seconds to download should be enough.
2314 list ( $headers , $data ) = get_http_url ( $imageurl , 10 );
2315 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2316 file_put_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname , $data ); // Save image to cache.
2317 header ( 'Content-Type: image/jpeg' );
2324 elseif ( $domain == 'vimeo.com' )
2326 // This is more complex: we have to perform a HTTP request, then parse the result.
2327 // Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098
2328 $vid = substr ( parse_url ( $url , PHP_URL_PATH
), 1 );
2329 list ( $headers , $data ) = get_http_url ( 'https://vimeo.com/api/v2/video/' . escape ( $vid ). '.php' , 5 );
2330 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2331 $t = unserialize ( $data );
2332 $imageurl = $t [ 0 ][ 'thumbnail_medium' ];
2333 // Then we download the image and serve it to our client.
2334 list ( $headers , $data ) = get_http_url ( $imageurl , 10 );
2335 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2336 file_put_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname , $data ); // Save image to cache.
2337 header ( 'Content-Type: image/jpeg' );
2344 elseif ( $domain == 'ted.com' || endsWith ( $domain , '.ted.com' ))
2346 // The thumbnail for TED talks is located in the <link rel="image_src" [...]> tag on that page
2347 // http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html
2348 // <link rel="image_src" href="http://images.ted.com/images/ted/28bced335898ba54d4441809c5b1112ffaf36781_389x292.jpg" />
2349 list ( $headers , $data ) = get_http_url ( $url , 5 );
2350 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2351 // Extract the link to the thumbnail
2352 preg_match ( '!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!' , $data , $matches );
2353 if (! empty ( $matches [ 1 ]))
2354 { // Let's download the image.
2355 $imageurl = $matches [ 1 ];
2356 // No control on image size, so wait long enough
2357 list ( $headers , $data ) = get_http_url ( $imageurl , 20 );
2358 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2359 $filepath = $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname ;
2360 file_put_contents ( $filepath , $data ); // Save image to cache.
2361 if ( resizeImage ( $filepath ))
2363 header ( 'Content-Type: image/jpeg' );
2364 echo file_get_contents ( $filepath );
2372 elseif ( $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' ))
2374 // There is no thumbnail available for xkcd comics, so download the whole image and resize it.
2375 // http://xkcd.com/327/
2376 // <img src="http://imgs.xkcd.com/comics/exploits_of_a_mom.png" title="<BLABLA>" alt="<BLABLA>" />
2377 list ( $headers , $data ) = get_http_url ( $url , 5 );
2378 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2379 // Extract the link to the thumbnail
2380 preg_match ( '!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!' , $data , $matches );
2381 if (! empty ( $matches [ 1 ]))
2382 { // Let's download the image.
2383 $imageurl = $matches [ 1 ];
2384 // No control on image size, so wait long enough
2385 list ( $headers , $data ) = get_http_url ( $imageurl , 20 );
2386 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2387 $filepath = $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname ;
2388 file_put_contents ( $filepath , $data ); // Save image to cache.
2389 if ( resizeImage ( $filepath ))
2391 header ( 'Content-Type: image/jpeg' );
2392 echo file_get_contents ( $filepath );
2402 // For all other domains, we try to download the image and make a thumbnail.
2403 // We allow 30 seconds max to download (and downloads are limited to 4 Mb)
2404 list ( $headers , $data ) = get_http_url ( $url , 30 );
2405 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2406 $filepath = $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname ;
2407 file_put_contents ( $filepath , $data ); // Save image to cache.
2408 if ( resizeImage ( $filepath ))
2410 header ( 'Content-Type: image/jpeg' );
2411 echo file_get_contents ( $filepath );
2418 // Otherwise, return an empty image (8x8 transparent gif)
2419 $blankgif = base64_decode ( 'R0lGODlhCAAIAIAAAP///////yH5BAEKAAEALAAAAAAIAAgAAAIHjI+py+1dAAA7' );
2420 file_put_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $blankname , $blankgif ); // Also put something in cache so that this URL is not requested twice.
2421 header ( 'Content-Type: image/gif' );
2425 // Make a thumbnail of the image (to width: 120 pixels)
2426 // Returns true if success, false otherwise.
2427 function resizeImage ( $filepath )
2429 if (! function_exists ( 'imagecreatefromjpeg' )) return false ; // GD not present: no thumbnail possible.
2431 // Trick: some stupid people rename GIF as JPEG... or else.
2432 // So we really try to open each image type whatever the extension is.
2433 $header = file_get_contents ( $filepath , false , NULL , 0 , 256 ); // Read first 256 bytes and try to sniff file type.
2435 $i = strpos ( $header , 'GIF8' ); if (( $i !== false ) && ( $i == 0 )) $im = imagecreatefromgif ( $filepath ); // Well this is crude, but it should be enough.
2436 $i = strpos ( $header , 'PNG' ); if (( $i !== false ) && ( $i == 1 )) $im = imagecreatefrompng ( $filepath );
2437 $i = strpos ( $header , 'JFIF' ); if ( $i !== false ) $im = imagecreatefromjpeg ( $filepath );
2438 if (! $im ) return false ; // Unable to open image (corrupted or not an image)
2441 $ystart = 0 ; $yheight = $h ;
2442 if ( $h > $w ) { $ystart
= ( $h
/ 2 )-( $w
/ 2 ); $yheight
= $w
/ 2 ; }
2443 $nw = 120 ; // Desired width
2444 $nh = min ( floor (( $h * $nw )/ $w ), 120 ); // Compute new width/height, but maximum 120 pixels height.
2446 $im2 = imagecreatetruecolor ( $nw , $nh );
2447 imagecopyresampled ( $im2 , $im , 0 , 0 , 0 , $ystart , $nw , $nh , $w , $yheight );
2448 imageinterlace ( $im2 , true ); // For progressive JPEG.
2449 $tempname = $filepath . '_TEMP.jpg' ;
2450 imagejpeg ( $im2 , $tempname , 90 );
2454 rename ( $tempname , $filepath ); // Overwrite original picture with thumbnail.
2459 mergeDeprecatedConfig ( $GLOBALS , isLoggedIn ());
2460 } catch ( Exception
$e ) {
2462 'ERROR while merging deprecated options.php file.' . PHP_EOL
.
2467 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=genthumbnail' )) { genThumbnail (); exit ; } // Thumbnail generation/cache does not need the link database.
2468 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=rss' )) { showRSS (); exit ; }
2469 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=atom' )) { showATOM (); exit ; }
2470 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=dailyrss' )) { showDailyRSS (); exit ; }
2471 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=daily' )) { showDaily (); exit ; }
2472 if (! isset ( $_SESSION [ 'LINKS_PER_PAGE' ])) $_SESSION [ 'LINKS_PER_PAGE' ]= $GLOBALS [ 'config' ][ 'LINKS_PER_PAGE' ];