]>
git.immae.eu Git - github/shaarli/Shaarli.git/blob - index.php
2 // Shaarli 0.5.3 - Shaare your links...
3 // The personal, minimalist, super-fast, no-database Delicious clone. By sebsauvage.net
4 // http://sebsauvage.net/wiki/doku.php?id=php:shaarli
5 // Licence: http://www.opensource.org/licenses/zlib-license.php
7 // -----------------------------------------------------------------------------------------------
9 // Set 'UTC' as the default timezone if it is not defined in php.ini
10 // See http://php.net/manual/en/datetime.configuration.php#ini.date.timezone
11 if ( date_default_timezone_get () == '' ) {
12 date_default_timezone_set ( 'UTC' );
15 // -----------------------------------------------------------------------------------------------
16 // Hardcoded parameter (These parameters can be overwritten by editing the file /data/config.php)
17 // You should not touch any code below (or at your own risks!)
18 $GLOBALS [ 'config' ][ 'DATADIR' ] = 'data' ; // Data subdirectory
19 $GLOBALS [ 'config' ][ 'CONFIG_FILE' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/config.php' ; // Configuration file (user login/password)
20 $GLOBALS [ 'config' ][ 'DATASTORE' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/datastore.php' ; // Data storage file.
21 $GLOBALS [ 'config' ][ 'LINKS_PER_PAGE' ] = 20 ; // Default links per page.
22 $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/ipbans.php' ; // File storage for failures and bans.
23 $GLOBALS [ 'config' ][ 'BAN_AFTER' ] = 4 ; // Ban IP after this many failures.
24 $GLOBALS [ 'config' ][ 'BAN_DURATION' ] = 1800 ; // Ban duration for IP address after login failures (in seconds) (1800 sec. = 30 minutes)
25 $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ] = false ; // If true, anyone can add/edit/delete links without having to login
26 $GLOBALS [ 'config' ][ 'HIDE_TIMESTAMPS' ] = false ; // If true, the moment when links were saved are not shown to users that are not logged in.
27 $GLOBALS [ 'config' ][ 'SHOW_ATOM' ] = false ; // If true, an extra "ATOM feed" button will be displayed in the toolbar
28 $GLOBALS [ 'config' ][ 'ENABLE_THUMBNAILS' ] = true ; // Enable thumbnails in links.
29 $GLOBALS [ 'config' ][ 'CACHEDIR' ] = 'cache' ; // Cache directory for thumbnails for SLOW services (like flickr)
30 $GLOBALS [ 'config' ][ 'PAGECACHE' ] = 'pagecache' ; // Page cache directory.
31 $GLOBALS [ 'config' ][ 'ENABLE_LOCALCACHE' ] = true ; // Enable Shaarli to store thumbnail in a local cache. Disable to reduce web space usage.
32 $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ] = '' ; // PubSubHubbub support. Put an empty string to disable, or put your hub url here to enable.
33 $GLOBALS [ 'config' ][ 'RAINTPL_TMP' ] = 'tmp/' ; // Raintpl cache directory (keep the trailing slash!)
34 $GLOBALS [ 'config' ][ 'RAINTPL_TPL' ] = 'tpl/' ; // Raintpl template directory (keep the trailing slash!)
35 $GLOBALS [ 'config' ][ 'UPDATECHECK_FILENAME' ] = $GLOBALS [ 'config' ][ 'DATADIR' ]. '/lastupdatecheck.txt' ; // For updates check of Shaarli.
36 $GLOBALS [ 'config' ][ 'UPDATECHECK_INTERVAL' ] = 86400 ; // Updates check frequency for Shaarli. 86400 seconds=24 hours
37 // Note: You must have publisher.php in the same directory as Shaarli index.php
38 $GLOBALS [ 'config' ][ 'ARCHIVE_ORG' ] = false ; // For each link, add a link to an archived version on archive.org
39 $GLOBALS [ 'config' ][ 'ENABLE_RSS_PERMALINKS' ] = true ; // Enable RSS permalinks by default. This corresponds to the default behavior of shaarli before this was added as an option.
40 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ] = false ;
41 // -----------------------------------------------------------------------------------------------
42 define ( 'shaarli_version' , '0.5.3' );
43 // http://server.com/x/shaarli --> /shaarli/
44 define ( 'WEB_PATH' , substr ( $_SERVER [ "REQUEST_URI" ], 0 , 1 +
strrpos ( $_SERVER [ "REQUEST_URI" ], '/' , 0 )));
47 ini_set ( 'max_input_time' , '60' ); // High execution time in case of problematic imports/exports.
48 ini_set ( 'memory_limit' , '128M' ); // Try to set max upload file size and read (May not work on some hosts).
49 ini_set ( 'post_max_size' , '16M' );
50 ini_set ( 'upload_max_filesize' , '16M' );
51 error_reporting ( E_ALL^E_WARNING
); // See all error except warnings.
52 //error_reporting(-1); // See all errors (for debugging only)
55 if ( is_file ( $GLOBALS [ 'config' ][ 'CONFIG_FILE' ])) {
56 require_once $GLOBALS [ 'config' ][ 'CONFIG_FILE' ];
60 require_once 'application/Cache.php' ;
61 require_once 'application/CachedPage.php' ;
62 require_once 'application/HttpUtils.php' ;
63 require_once 'application/LinkDB.php' ;
64 require_once 'application/TimeZone.php' ;
65 require_once 'application/Url.php' ;
66 require_once 'application/Utils.php' ;
67 require_once 'application/Config.php' ;
69 // Ensure the PHP version is supported
71 checkPHPVersion ( '5.3' , PHP_VERSION
);
72 } catch ( Exception
$e ) {
73 header ( 'Content-Type: text/plain; charset=utf-8' );
74 echo $e- > getMessage ();
78 // Force cookie path (but do not change lifetime)
79 $cookie = session_get_cookie_params ();
81 if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ]) != '/' ) {
82 $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
84 // Set default cookie expiration and path.
85 session_set_cookie_params ( $cookie [ 'lifetime' ], $cookiedir , $_SERVER [ 'SERVER_NAME' ]);
86 // Set session parameters on server side.
87 // If the user does not access any page within this time, his/her session is considered expired.
88 define ( 'INACTIVITY_TIMEOUT' , 3600 ); // in seconds.
89 // Use cookies to store session.
90 ini_set ( 'session.use_cookies' , 1 );
91 // Force cookies for session (phpsessionID forbidden in URL).
92 ini_set ( 'session.use_only_cookies' , 1 );
93 // Prevent PHP form using sessionID in URL if cookies are disabled.
94 ini_set ( 'session.use_trans_sid' , false );
96 session_name ( 'shaarli' );
97 // Start session if needed (Some server auto-start sessions).
98 if ( session_id () == '' ) {
102 // Regenerate session ID if invalid or not defined in cookie.
103 if ( isset ( $_COOKIE [ 'shaarli' ]) && ! is_session_id_valid ( $_COOKIE [ 'shaarli' ])) {
104 session_regenerate_id ( true );
105 $_COOKIE [ 'shaarli' ] = session_id ();
108 include "inc/rain.tpl.class.php" ; //include Rain TPL
109 raintpl
:: $tpl_dir = $GLOBALS [ 'config' ][ 'RAINTPL_TPL' ]; // template directory
110 raintpl
:: $cache_dir = $GLOBALS [ 'config' ][ 'RAINTPL_TMP' ]; // cache directory
112 ob_start (); // Output buffering for the page cache.
115 // In case stupid admin has left magic_quotes enabled in php.ini:
116 if ( get_magic_quotes_gpc ())
118 function stripslashes_deep ( $value ) { $value
= is_array ( $value
) ? array_map ( 'stripslashes_deep' , $value
) : stripslashes ( $value
); return $value
; }
119 $_POST = array_map ( 'stripslashes_deep' , $_POST );
120 $_GET = array_map ( 'stripslashes_deep' , $_GET );
121 $_COOKIE = array_map ( 'stripslashes_deep' , $_COOKIE );
124 // Prevent caching on client side or proxy: (yes, it's ugly)
125 header ( "Last-Modified: " . gmdate ( "D, d M Y H:i:s" ) . " GMT" );
126 header ( "Cache-Control: no-store, no-cache, must-revalidate" );
127 header ( "Cache-Control: post-check=0, pre-check=0" , false );
128 header ( "Pragma: no-cache" );
130 // Directories creations (Note that your web host may require different rights than 705.)
131 if (! is_writable ( realpath ( dirname ( __FILE__
)))) die ( '<pre>ERROR: Shaarli does not have the right to write in its own directory.</pre>' );
133 // Handling of old config file which do not have the new parameters.
134 if ( empty ( $GLOBALS [ 'title' ])) $GLOBALS [ 'title' ]= 'Shared links on ' . escape ( index_url ( $_SERVER ));
135 if ( empty ( $GLOBALS [ 'timezone' ])) $GLOBALS [ 'timezone' ]= date_default_timezone_get ();
136 if ( empty ( $GLOBALS [ 'redirector' ])) $GLOBALS [ 'redirector' ]= '' ;
137 if ( empty ( $GLOBALS [ 'disablesessionprotection' ])) $GLOBALS [ 'disablesessionprotection' ]= false ;
138 if ( empty ( $GLOBALS [ 'privateLinkByDefault' ])) $GLOBALS [ 'privateLinkByDefault' ]= false ;
139 if ( empty ( $GLOBALS [ 'titleLink' ])) $GLOBALS [ 'titleLink' ]= '?' ;
140 // I really need to rewrite Shaarli with a proper configuation manager.
142 // Run config screen if first run:
143 if (! is_file ( $GLOBALS [ 'config' ][ 'CONFIG_FILE' ])) {
147 $GLOBALS [ 'title' ] = ! empty ( $GLOBALS [ 'title' ]) ? escape ( $GLOBALS [ 'title' ]) : '' ;
148 $GLOBALS [ 'titleLink' ] = ! empty ( $GLOBALS [ 'titleLink' ]) ? escape ( $GLOBALS [ 'titleLink' ]) : '' ;
149 $GLOBALS [ 'redirector' ] = ! empty ( $GLOBALS [ 'redirector' ]) ? escape ( $GLOBALS [ 'redirector' ]) : '' ;
151 // a token depending of deployment salt, user password, and the current ip
152 define ( 'STAY_SIGNED_IN_TOKEN' , sha1 ( $GLOBALS [ 'hash' ]. $_SERVER [ "REMOTE_ADDR" ]. $GLOBALS [ 'salt' ]));
154 autoLocale (); // Sniff browser language and set date format accordingly.
155 header ( 'Content-Type: text/html; charset=utf-8' ); // We use UTF-8 for proper international characters handling.
157 //==================================================================================================
158 // Checking session state (i.e. is the user still logged in)
159 //==================================================================================================
161 function setup_login_state () {
162 $userIsLoggedIn = false ; // By default, we do not consider the user as logged in;
163 $loginFailure = false ; // If set to true, every attempt to authenticate the user will fail. This indicates that an important condition isn't met.
164 if ( $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ]) {
165 $userIsLoggedIn = true ;
167 if (! isset ( $GLOBALS [ 'login' ])) {
168 $userIsLoggedIn = false ; // Shaarli is not configured yet.
169 $loginFailure = true ;
171 if ( isset ( $_COOKIE [ 'shaarli_staySignedIn' ]) &&
172 $_COOKIE [ 'shaarli_staySignedIn' ]=== STAY_SIGNED_IN_TOKEN
&&
176 $userIsLoggedIn = true ;
178 // If session does not exist on server side, or IP address has changed, or session has expired, logout.
179 if ( empty ( $_SESSION [ 'uid' ]) ||
180 ( $GLOBALS [ 'disablesessionprotection' ]== false && $_SESSION [ 'ip' ]!= allIPs ()) ||
181 time () >= $_SESSION [ 'expires_on' ])
184 $userIsLoggedIn = false ;
185 $loginFailure = true ;
187 if (! empty ( $_SESSION [ 'longlastingsession' ])) {
188 $_SESSION [ 'expires_on' ]= time () +
$_SESSION [ 'longlastingsession' ]; // In case of "Stay signed in" checked.
191 $_SESSION [ 'expires_on' ]= time () +INACTIVITY_TIMEOUT
; // Standard session expiration date.
193 if (! $loginFailure ) {
194 $userIsLoggedIn = true ;
197 return $userIsLoggedIn ;
199 $userIsLoggedIn = setup_login_state ();
201 // Checks if an update is available for Shaarli.
202 // (at most once a day, and only for registered user.)
203 // Output: '' = no new version.
204 // other= the available version.
205 function checkUpdate ()
207 if (! isLoggedIn ()) return '' ; // Do not check versions for visitors.
208 if ( empty ( $GLOBALS [ 'config' ][ 'ENABLE_UPDATECHECK' ])) return '' ; // Do not check if the user doesn't want to.
210 // Get latest version number at most once a day.
211 if (! is_file ( $GLOBALS [ 'config' ][ 'UPDATECHECK_FILENAME' ]) || ( filemtime ( $GLOBALS [ 'config' ][ 'UPDATECHECK_FILENAME' ])< time ()-( $GLOBALS [ 'config' ][ 'UPDATECHECK_INTERVAL' ])))
213 $version = shaarli_version
;
214 list ( $headers , $data ) = get_http_url ( 'https://raw.githubusercontent.com/shaarli/Shaarli/master/shaarli_version.php' , 2 );
215 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
216 $version = str_replace ( ' */ ?>' , '' , str_replace ( '<?php /* ' , '' , $data ));
218 // If failed, never mind. We don't want to bother the user with that.
219 file_put_contents ( $GLOBALS [ 'config' ][ 'UPDATECHECK_FILENAME' ], $version ); // touch file date
222 $newestversion = file_get_contents ( $GLOBALS [ 'config' ][ 'UPDATECHECK_FILENAME' ]);
223 if ( version_compare ( $newestversion , shaarli_version
)== 1 ) return $newestversion ;
228 // -----------------------------------------------------------------------------------------------
230 function logm ( $message )
232 $t = strval ( date ( 'Y/m/d_H:i:s' )). ' - ' . $_SERVER [ "REMOTE_ADDR" ]. ' - ' . strval ( $message ). " \n " ;
233 file_put_contents ( $GLOBALS [ 'config' ][ 'DATADIR' ]. '/log.txt' , $t , FILE_APPEND
);
236 // In a string, converts URLs to clickable links.
237 // Function inspired from http://www.php.net/manual/en/function.preg-replace.php#85722
238 function text2clickable ( $url )
240 $redir = empty ( $GLOBALS [ 'redirector' ]) ? '' : $GLOBALS [ 'redirector' ];
241 return preg_replace ( '!(((?:https?|ftp|file)://|apt:|magnet:)\S+[[:alnum:]]/?)!si' , '<a href="' . $redir . ' $1" rel="nofollow"> $1 </a>' , $url );
244 // This function inserts where relevant so that multiple spaces are properly displayed in HTML
245 // even in the absence of <pre> (This is used in description to keep text formatting)
246 function keepMultipleSpaces ( $text )
248 return str_replace ( ' ' , ' ' , $text );
251 // ------------------------------------------------------------------------------------------
252 // Sniff browser language to display dates in the right format automatically.
253 // (Note that is may not work on your server if the corresponding local is not installed.)
254 function autoLocale ()
256 $attempts = array ( 'en_US' ); // Default if browser does not send HTTP_ACCEPT_LANGUAGE
257 if ( isset ( $_SERVER [ 'HTTP_ACCEPT_LANGUAGE' ])) // e.g. "fr,fr-fr;q=0.8,en;q=0.5,en-us;q=0.3"
258 { // (It's a bit crude, but it works very well. Preferred language is always presented first.)
259 if ( preg_match ( '/([a-z] {2} )-?([a-z] {2} )?/i' , $_SERVER [ 'HTTP_ACCEPT_LANGUAGE' ], $matches )) {
260 $loc = $matches [ 1 ] . (! empty ( $matches [ 2 ]) ? '_' . strtoupper ( $matches [ 2 ]) : '' );
261 $attempts = array ( $loc . '.UTF-8' , $loc , str_replace ( '_' , '-' , $loc ). '.UTF-8' , str_replace ( '_' , '-' , $loc ),
262 $loc . '_' . strtoupper ( $loc ). '.UTF-8' , $loc . '_' . strtoupper ( $loc ),
263 $loc . '_' . $loc . '.UTF-8' , $loc . '_' . $loc , $loc . '-' . strtoupper ( $loc ). '.UTF-8' ,
264 $loc . '-' . strtoupper ( $loc ), $loc . '-' . $loc . '.UTF-8' , $loc . '-' . $loc );
267 setlocale ( LC_TIME
, $attempts ); // LC_TIME = Set local for date/time format only.
270 // ------------------------------------------------------------------------------------------
271 // PubSubHubbub protocol support (if enabled) [UNTESTED]
272 // (Source: http://aldarone.fr/les-flux-rss-shaarli-et-pubsubhubbub/ )
273 if (! empty ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ])) include './publisher.php' ;
276 if (! empty ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]))
278 $p = new Publisher ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]);
280 index_url ( $_SERVER ). '?do=atom' ,
281 index_url ( $_SERVER ). '?do=rss'
283 $p- > publish_update ( $topic_url );
287 // ------------------------------------------------------------------------------------------
288 // Session management
290 // Returns the IP address of the client (Used to prevent session cookie hijacking.)
293 $ip = $_SERVER [ "REMOTE_ADDR" ];
294 // Then we use more HTTP headers to prevent session hijacking from users behind the same proxy.
295 if ( isset ( $_SERVER [ 'HTTP_X_FORWARDED_FOR' ])) { $ip
= $ip
. '_' . $_SERVER
[ 'HTTP_X_FORWARDED_FOR' ]; }
296 if ( isset ( $_SERVER [ 'HTTP_CLIENT_IP' ])) { $ip
= $ip
. '_' . $_SERVER
[ 'HTTP_CLIENT_IP' ]; }
300 function fillSessionInfo () {
301 $_SESSION [ 'uid' ] = sha1 ( uniqid ( '' , true ). '_' . mt_rand ()); // Generate unique random number (different than phpsessionid)
302 $_SESSION [ 'ip' ]= allIPs (); // We store IP address(es) of the client to make sure session is not hijacked.
303 $_SESSION [ 'username' ]= $GLOBALS [ 'login' ];
304 $_SESSION [ 'expires_on' ]= time () +INACTIVITY_TIMEOUT
; // Set session expiration.
307 // Check that user/password is correct.
308 function check_auth ( $login , $password )
310 $hash = sha1 ( $password . $login . $GLOBALS [ 'salt' ]);
311 if ( $login == $GLOBALS [ 'login' ] && $hash == $GLOBALS [ 'hash' ])
312 { // Login/password is correct.
314 logm ( 'Login successful' );
317 logm ( 'Login failed for user ' . $login );
321 // Returns true if the user is logged in.
322 function isLoggedIn ()
324 global $userIsLoggedIn ;
325 return $userIsLoggedIn ;
330 if ( isset ( $_SESSION )) {
331 unset ( $_SESSION [ 'uid' ]);
332 unset ( $_SESSION [ 'ip' ]);
333 unset ( $_SESSION [ 'username' ]);
334 unset ( $_SESSION [ 'privateonly' ]);
336 setcookie ( 'shaarli_staySignedIn' , FALSE , 0 , WEB_PATH
);
340 // ------------------------------------------------------------------------------------------
341 // Brute force protection system
342 // Several consecutive failed logins will ban the IP address for 30 minutes.
343 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 ?>" );
344 include $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ];
345 // Signal a failed login. Will ban the IP if too many failures:
346 function ban_loginFailed ()
348 $ip = $_SERVER [ "REMOTE_ADDR" ]; $gb = $GLOBALS [ 'IPBANS' ];
349 if (! isset ( $gb [ 'FAILURES' ][ $ip ])) $gb [ 'FAILURES' ][ $ip ]= 0 ;
350 $gb [ 'FAILURES' ][ $ip ] ++
;
351 if ( $gb [ 'FAILURES' ][ $ip ]>( $GLOBALS [ 'config' ][ 'BAN_AFTER' ]- 1 ))
353 $gb [ 'BANS' ][ $ip ]= time () +
$GLOBALS [ 'config' ][ 'BAN_DURATION' ];
354 logm ( 'IP address banned from login' );
356 $GLOBALS [ 'IPBANS' ] = $gb ;
357 file_put_contents ( $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ], "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>" );
360 // Signals a successful login. Resets failed login counter.
361 function ban_loginOk ()
363 $ip = $_SERVER [ "REMOTE_ADDR" ]; $gb = $GLOBALS [ 'IPBANS' ];
364 unset ( $gb [ 'FAILURES' ][ $ip ]); unset ( $gb [ 'BANS' ][ $ip ]);
365 $GLOBALS [ 'IPBANS' ] = $gb ;
366 file_put_contents ( $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ], "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>" );
369 // Checks if the user CAN login. If 'true', the user can try to login.
370 function ban_canLogin ()
372 $ip = $_SERVER [ "REMOTE_ADDR" ]; $gb = $GLOBALS [ 'IPBANS' ];
373 if ( isset ( $gb [ 'BANS' ][ $ip ]))
375 // User is banned. Check if the ban has expired:
376 if ( $gb [ 'BANS' ][ $ip ]<= time ())
377 { // Ban expired, user can try to login again.
379 unset ( $gb [ 'FAILURES' ][ $ip ]); unset ( $gb [ 'BANS' ][ $ip ]);
380 file_put_contents ( $GLOBALS [ 'config' ][ 'IPBANS_FILENAME' ], "<?php \n\$ GLOBALS['IPBANS']=" . var_export ( $gb , true ). "; \n ?>" );
381 return true ; // Ban has expired, user can login.
383 return false ; // User is banned.
385 return true ; // User is not banned.
388 // ------------------------------------------------------------------------------------------
389 // Process login form: Check if login/password is correct.
390 if ( isset ( $_POST [ 'login' ]))
392 if (! ban_canLogin ()) die ( 'I said: NO. You are banned for the moment. Go away.' );
393 if ( isset ( $_POST [ 'password' ]) && tokenOk ( $_POST [ 'token' ]) && ( check_auth ( $_POST [ 'login' ], $_POST [ 'password' ])))
394 { // Login/password is OK.
396 // If user wants to keep the session cookie even after the browser closes:
397 if (! empty ( $_POST [ 'longlastingsession' ]))
399 setcookie ( 'shaarli_staySignedIn' , STAY_SIGNED_IN_TOKEN
, time () +
31536000 , WEB_PATH
);
400 $_SESSION [ 'longlastingsession' ]= 31536000 ; // (31536000 seconds = 1 year)
401 $_SESSION [ 'expires_on' ]= time () +
$_SESSION [ 'longlastingsession' ]; // Set session expiration on server-side.
403 $cookiedir = '' ; if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ])!= '/' ) $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
404 session_set_cookie_params ( $_SESSION [ 'longlastingsession' ], $cookiedir , $_SERVER [ 'SERVER_NAME' ]); // Set session cookie expiration on client side
405 // Note: Never forget the trailing slash on the cookie path!
406 session_regenerate_id ( true ); // Send cookie with new expiration date to browser.
408 else // Standard session expiration (=when browser closes)
410 $cookiedir = '' ; if ( dirname ( $_SERVER [ 'SCRIPT_NAME' ])!= '/' ) $cookiedir = dirname ( $_SERVER [ "SCRIPT_NAME" ]). '/' ;
411 session_set_cookie_params ( 0 , $cookiedir , $_SERVER [ 'SERVER_NAME' ]); // 0 means "When browser closes"
412 session_regenerate_id ( true );
415 // Optional redirect after login:
416 if ( isset ( $_GET [ 'post' ])) {
417 $uri = '?post=' . urlencode ( $_GET [ 'post' ]);
418 foreach ( array ( 'description' , 'source' , 'title' ) as $param ) {
419 if (! empty ( $_GET [ $param ])) {
420 $uri .= '&' . $param . '=' . urlencode ( $_GET [ $param ]);
423 header ( 'Location: ' . $uri );
427 if ( isset ( $_GET [ 'edit_link' ])) {
428 header ( 'Location: ?edit_link=' . escape ( $_GET [ 'edit_link' ]));
432 if ( isset ( $_POST [ 'returnurl' ])) {
433 // Prevent loops over login screen.
434 if ( strpos ( $_POST [ 'returnurl' ], 'do=login' ) === false ) {
435 header ( 'Location: ' . escape ( $_POST [ 'returnurl' ]));
439 header ( 'Location: ?' ); exit ;
445 if ( isset ( $_GET [ 'post' ])) {
446 $redir = '?post=' . urlencode ( $_GET [ 'post' ]);
447 foreach ( array ( 'description' , 'source' , 'title' ) as $param ) {
448 if (! empty ( $_GET [ $param ])) {
449 $redir .= '&' . $param . '=' . urlencode ( $_GET [ $param ]);
453 echo '<script>alert("Wrong login/password.");document.location= \' ?do=login' . $redir . ' \' ;</script>' ; // Redirect to login screen.
458 // ------------------------------------------------------------------------------------------
459 // Misc utility functions:
461 // Convert post_max_size/upload_max_filesize (e.g. '16M') parameters to bytes.
462 function return_bytes ( $val )
464 $val = trim ( $val ); $last = strtolower ( $val [ strlen ( $val )- 1 ]);
467 case 'g' : $val *= 1024 ;
468 case 'm' : $val *= 1024 ;
469 case 'k' : $val *= 1024 ;
474 // Try to determine max file size for uploads (POST).
475 // Returns an integer (in bytes)
476 function getMaxFileSize ()
478 $size1 = return_bytes ( ini_get ( 'post_max_size' ));
479 $size2 = return_bytes ( ini_get ( 'upload_max_filesize' ));
480 // Return the smaller of two:
481 $maxsize = min ( $size1 , $size2 );
482 // FIXME: Then convert back to readable notations ? (e.g. 2M instead of 2000000)
486 /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a timestamp (Unix epoch)
487 (used to build the ADD_DATE attribute in Netscape-bookmarks file)
488 PS: I could have used strptime(), but it does not exist on Windows. I'm too kind. */
489 function linkdate2timestamp ( $linkdate )
491 if ( strcmp ( $linkdate , '_000000' ) !== 0 || ! $linkdate ){
493 $r = sscanf ( $linkdate , '%4d%2d%2d_%2d%2d%2d' , $Y , $M , $D , $h , $m , $s );
494 return mktime ( $h , $m , $s , $M , $D , $Y );
499 /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a RFC822 date.
500 (used to build the pubDate attribute in RSS feed.) */
501 function linkdate2rfc822 ( $linkdate )
503 return date ( 'r' , linkdate2timestamp ( $linkdate )); // 'r' is for RFC822 date format.
506 /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a ISO 8601 date.
507 (used to build the updated tags in ATOM feed.) */
508 function linkdate2iso8601 ( $linkdate )
510 return date ( 'c' , linkdate2timestamp ( $linkdate )); // 'c' is for ISO 8601 date format.
513 // Extract title from an HTML document.
514 // (Returns an empty string if not found.)
515 function html_extract_title ( $html )
517 return preg_match ( '!<title>(.*?)</title>!is' , $html , $matches ) ? trim ( str_replace ( " \n " , ' ' , $matches [ 1 ])) : '' ;
520 // ------------------------------------------------------------------------------------------
521 // Token management for XSRF protection
522 // Token should be used in any form which acts on data (create,update,delete,import...).
523 if (! isset ( $_SESSION [ 'tokens' ])) $_SESSION [ 'tokens' ]= array (); // Token are attached to the session.
528 $rnd = sha1 ( uniqid ( '' , true ). '_' . mt_rand (). $GLOBALS [ 'salt' ]); // We generate a random string.
529 $_SESSION [ 'tokens' ][ $rnd ]= 1 ; // Store it on the server side.
533 // Tells if a token is OK. Using this function will destroy the token.
535 function tokenOk ( $token )
537 if ( isset ( $_SESSION [ 'tokens' ][ $token ]))
539 unset ( $_SESSION [ 'tokens' ][ $token ]); // Token is used: destroy it.
540 return true ; // Token is OK.
542 return false ; // Wrong token, or already used.
545 // ------------------------------------------------------------------------------------------
546 /* This class is in charge of building the final page.
547 (This is basically a wrapper around RainTPL which pre-fills some fields.)
549 p.assign('myfield','myvalue');
550 p.renderPage('mytemplate');
555 private $tpl ; // RainTPL template
557 function __construct ()
562 private function initialize ()
564 $this- > tpl
= new RainTPL
;
565 $this- > tpl
-> assign ( 'newversion' , escape ( checkUpdate ()));
566 $this- > tpl
-> assign ( 'feedurl' , escape ( index_url ( $_SERVER )));
567 $searchcrits = '' ; // Search criteria
568 if (! empty ( $_GET [ 'searchtags' ])) $searchcrits .= '&searchtags=' . urlencode ( $_GET [ 'searchtags' ]);
569 elseif (! empty ( $_GET [ 'searchterm' ])) $searchcrits .= '&searchterm=' . urlencode ( $_GET [ 'searchterm' ]);
570 $this- > tpl
-> assign ( 'searchcrits' , $searchcrits );
571 $this- > tpl
-> assign ( 'source' , index_url ( $_SERVER ));
572 $this- > tpl
-> assign ( 'version' , shaarli_version
);
573 $this- > tpl
-> assign ( 'scripturl' , index_url ( $_SERVER ));
574 $this- > tpl
-> assign ( 'pagetitle' , 'Shaarli' );
575 $this- > tpl
-> assign ( 'privateonly' ,! empty ( $_SESSION [ 'privateonly' ])); // Show only private links?
576 if (! empty ( $GLOBALS [ 'title' ])) $this- > tpl
-> assign ( 'pagetitle' , $GLOBALS [ 'title' ]);
577 if (! empty ( $GLOBALS [ 'titleLink' ])) $this- > tpl
-> assign ( 'titleLink' , $GLOBALS [ 'titleLink' ]);
578 if (! empty ( $GLOBALS [ 'pagetitle' ])) $this- > tpl
-> assign ( 'pagetitle' , $GLOBALS [ 'pagetitle' ]);
579 $this- > tpl
-> assign ( 'shaarlititle' , empty ( $GLOBALS [ 'title' ]) ? 'Shaarli' : $GLOBALS [ 'title' ] );
583 // The following assign() method is basically the same as RainTPL (except that it's lazy)
584 public function assign ( $what , $where )
586 if ( $this- > tpl
=== false ) $this- > initialize (); // Lazy initialization
587 $this- > tpl
-> assign ( $what , $where );
590 // Render a specific page (using a template).
591 // e.g. pb.renderPage('picwall')
592 public function renderPage ( $page )
594 if ( $this- > tpl
=== false ) $this- > initialize (); // Lazy initialization
595 $this- > tpl
-> draw ( $page );
599 // ------------------------------------------------------------------------------------------
600 // Output the last N links in RSS 2.0 format.
603 header ( 'Content-Type: application/rss+xml; charset=utf-8' );
605 // $usepermalink : If true, use permalink instead of final link.
606 // User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=rss&permalinks
607 // Also enabled through a config option
608 $usepermalinks = isset ( $_GET [ 'permalinks' ]) || ! $GLOBALS [ 'config' ][ 'ENABLE_RSS_PERMALINKS' ];
611 $query = $_SERVER [ "QUERY_STRING" ];
612 $cache = new CachedPage (
613 $GLOBALS [ 'config' ][ 'PAGECACHE' ],
615 startsWith ( $query , 'do=rss' ) && ! isLoggedIn ()
617 $cached = $cache- > cachedVersion ();
618 if (! empty ( $cached )) {
623 // If cached was not found (or not usable), then read the database and build the response:
624 $LINKSDB = new LinkDB (
625 $GLOBALS [ 'config' ][ 'DATASTORE' ],
626 isLoggedIn () || $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ],
627 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ]
629 // Read links from database (and filter private links if user it not logged in).
631 // Optionally filter the results:
632 $linksToDisplay = array ();
633 if (! empty ( $_GET [ 'searchterm' ])) $linksToDisplay = $LINKSDB- > filterFulltext ( $_GET [ 'searchterm' ]);
634 else if (! empty ( $_GET [ 'searchtags' ])) $linksToDisplay = $LINKSDB- > filterTags ( trim ( $_GET [ 'searchtags' ]));
635 else $linksToDisplay = $LINKSDB ;
637 $nblinksToDisplay = 50 ; // Number of links to display.
638 if (! empty ( $_GET [ 'nb' ])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
640 $nblinksToDisplay = $_GET [ 'nb' ]== 'all' ? count ( $linksToDisplay ) : max ( $_GET [ 'nb' ] +
0 , 1 ) ;
643 $pageaddr = escape ( index_url ( $_SERVER ));
644 echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">' ;
645 echo '<channel><title>' . $GLOBALS [ 'title' ]. '</title><link>' . $pageaddr . '</link>' ;
646 echo '<description>Shared links</description><language>en-en</language><copyright>' . $pageaddr . '</copyright>' . " \n\n " ;
647 if (! empty ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]))
649 echo '<!-- PubSubHubbub Discovery -->' ;
650 echo '<link rel="hub" href="' . escape ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]). '" xmlns="http://www.w3.org/2005/Atom" />' ;
651 echo '<link rel="self" href="' . $pageaddr . '?do=rss" xmlns="http://www.w3.org/2005/Atom" />' ;
652 echo '<!-- End Of PubSubHubbub Discovery -->' ;
655 $keys = array (); foreach ( $linksToDisplay as $key => $value ) { $keys
[]= $key
; } // No, I can't use array_keys().
656 while ( $i < $nblinksToDisplay && $i < count ( $keys ))
658 $link = $linksToDisplay [ $keys [ $i ]];
659 $guid = $pageaddr . '?' . smallHash ( $link [ 'linkdate' ]);
660 $rfc822date = linkdate2rfc822 ( $link [ 'linkdate' ]);
661 $absurl = $link [ 'url' ];
662 if ( startsWith ( $absurl , '?' )) $absurl = $pageaddr . $absurl ; // make permalink URL absolute
663 if ( $usepermalinks === true )
664 echo '<item><title>' . $link [ 'title' ]. '</title><guid isPermaLink="true">' . $guid . '</guid><link>' . $guid . '</link>' ;
666 echo '<item><title>' . $link [ 'title' ]. '</title><guid isPermaLink="false">' . $guid . '</guid><link>' . $absurl . '</link>' ;
667 if (! $GLOBALS [ 'config' ][ 'HIDE_TIMESTAMPS' ] || isLoggedIn ()) echo '<pubDate>' . escape ( $rfc822date ). "</pubDate> \n " ;
668 if ( $link [ 'tags' ]!= '' ) // Adding tags to each RSS entry (as mentioned in RSS specification)
670 foreach ( explode ( ' ' , $link [ 'tags' ]) as $tag ) { echo '<category domain="' . $pageaddr
. '">' . $tag
. '</category>' . " \n " ; }
673 // Add permalink in description
674 $descriptionlink = '(<a href="' . $guid . '">Permalink</a>)' ;
675 // If user wants permalinks first, put the final link in description
676 if ( $usepermalinks === true ) $descriptionlink = '(<a href="' . $absurl . '">Link</a>)' ;
677 if ( strlen ( $link [ 'description' ])> 0 ) $descriptionlink = '<br>' . $descriptionlink ;
678 echo '<description><![CDATA[' . nl2br ( keepMultipleSpaces ( text2clickable ( $link [ 'description' ]))). $descriptionlink . ']]></description>' . " \n </item> \n " ;
681 echo '</channel></rss><!-- Cached version of ' . escape ( page_url ( $_SERVER )). ' -->' ;
683 $cache- > cache ( ob_get_contents ());
688 // ------------------------------------------------------------------------------------------
689 // Output the last N links in ATOM format.
692 header ( 'Content-Type: application/atom+xml; charset=utf-8' );
694 // $usepermalink : If true, use permalink instead of final link.
695 // User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=atom&permalinks
696 $usepermalinks = isset ( $_GET [ 'permalinks' ]) || ! $GLOBALS [ 'config' ][ 'ENABLE_RSS_PERMALINKS' ];
699 $query = $_SERVER [ "QUERY_STRING" ];
700 $cache = new CachedPage (
701 $GLOBALS [ 'config' ][ 'PAGECACHE' ],
703 startsWith ( $query , 'do=atom' ) && ! isLoggedIn ()
705 $cached = $cache- > cachedVersion ();
706 if (! empty ( $cached )) {
711 // If cached was not found (or not usable), then read the database and build the response:
712 // Read links from database (and filter private links if used it not logged in).
713 $LINKSDB = new LinkDB (
714 $GLOBALS [ 'config' ][ 'DATASTORE' ],
715 isLoggedIn () || $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ],
716 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ]
719 // Optionally filter the results:
720 $linksToDisplay = array ();
721 if (! empty ( $_GET [ 'searchterm' ])) $linksToDisplay = $LINKSDB- > filterFulltext ( $_GET [ 'searchterm' ]);
722 else if (! empty ( $_GET [ 'searchtags' ])) $linksToDisplay = $LINKSDB- > filterTags ( trim ( $_GET [ 'searchtags' ]));
723 else $linksToDisplay = $LINKSDB ;
725 $nblinksToDisplay = 50 ; // Number of links to display.
726 if (! empty ( $_GET [ 'nb' ])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
728 $nblinksToDisplay = $_GET [ 'nb' ]== 'all' ? count ( $linksToDisplay ) : max ( $_GET [ 'nb' ] +
0 , 1 ) ;
731 $pageaddr = escape ( index_url ( $_SERVER ));
735 $keys = array (); foreach ( $linksToDisplay as $key => $value ) { $keys
[]= $key
; } // No, I can't use array_keys().
736 while ( $i < $nblinksToDisplay && $i < count ( $keys ))
738 $link = $linksToDisplay [ $keys [ $i ]];
739 $guid = $pageaddr . '?' . smallHash ( $link [ 'linkdate' ]);
740 $iso8601date = linkdate2iso8601 ( $link [ 'linkdate' ]);
741 $latestDate = max ( $latestDate , $iso8601date );
742 $absurl = $link [ 'url' ];
743 if ( startsWith ( $absurl , '?' )) $absurl = $pageaddr . $absurl ; // make permalink URL absolute
744 $entries .= '<entry><title>' . $link [ 'title' ]. '</title>' ;
745 if ( $usepermalinks === true )
746 $entries .= '<link href="' . $guid . '" /><id>' . $guid . '</id>' ;
748 $entries .= '<link href="' . $absurl . '" /><id>' . $guid . '</id>' ;
749 if (! $GLOBALS [ 'config' ][ 'HIDE_TIMESTAMPS' ] || isLoggedIn ()) $entries .= '<updated>' . escape ( $iso8601date ). '</updated>' ;
751 // Add permalink in description
752 $descriptionlink = '(<a href="' . $guid . '">Permalink</a>)' ;
753 // If user wants permalinks first, put the final link in description
754 if ( $usepermalinks === true ) $descriptionlink = '(<a href="' . $absurl . '">Link</a>)' ;
755 if ( strlen ( $link [ 'description' ])> 0 ) $descriptionlink = '<br>' . $descriptionlink ;
757 $entries .= '<content type="html"><![CDATA[' . nl2br ( keepMultipleSpaces ( text2clickable ( $link [ 'description' ]))). $descriptionlink . "]]></content> \n " ;
758 if ( $link [ 'tags' ]!= '' ) // Adding tags to each ATOM entry (as mentioned in ATOM specification)
760 foreach ( explode ( ' ' , $link [ 'tags' ]) as $tag )
761 { $entries
.= '<category scheme="' . $pageaddr
. '" term="' . $tag
. '" />' . " \n " ; }
763 $entries .= "</entry> \n " ;
766 $feed = '<?xml version="1.0" encoding="UTF-8"?><feed xmlns="http://www.w3.org/2005/Atom">' ;
767 $feed .= '<title>' . $GLOBALS [ 'title' ]. '</title>' ;
768 if (! $GLOBALS [ 'config' ][ 'HIDE_TIMESTAMPS' ] || isLoggedIn ()) $feed .= '<updated>' . escape ( $latestDate ). '</updated>' ;
769 $feed .= '<link rel="self" href="' . escape ( server_url ( $_SERVER ). $_SERVER [ "REQUEST_URI" ]). '" />' ;
770 if (! empty ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]))
772 $feed .= '<!-- PubSubHubbub Discovery -->' ;
773 $feed .= '<link rel="hub" href="' . escape ( $GLOBALS [ 'config' ][ 'PUBSUBHUB_URL' ]). '" />' ;
774 $feed .= '<!-- End Of PubSubHubbub Discovery -->' ;
776 $feed .= '<author><name>' . $pageaddr . '</name><uri>' . $pageaddr . '</uri></author>' ;
777 $feed .= '<id>' . $pageaddr . '</id>' . " \n\n " ; // Yes, I know I should use a real IRI (RFC3987), but the site URL will do.
779 $feed .= '</feed><!-- Cached version of ' . escape ( page_url ( $_SERVER )). ' -->' ;
782 $cache- > cache ( ob_get_contents ());
787 // ------------------------------------------------------------------------------------------
788 // Daily RSS feed: 1 RSS entry per day giving all the links on that day.
789 // Gives the last 7 days (which have links).
790 // This RSS feed cannot be filtered.
791 function showDailyRSS () {
793 $query = $_SERVER [ "QUERY_STRING" ];
794 $cache = new CachedPage (
795 $GLOBALS [ 'config' ][ 'PAGECACHE' ],
797 startsWith ( $query , 'do=dailyrss' ) && ! isLoggedIn ()
799 $cached = $cache- > cachedVersion ();
800 if (! empty ( $cached )) {
805 // If cached was not found (or not usable), then read the database and build the response:
806 // Read links from database (and filter private links if used it not logged in).
807 $LINKSDB = new LinkDB (
808 $GLOBALS [ 'config' ][ 'DATASTORE' ],
809 isLoggedIn () || $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ],
810 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ]
813 /* Some Shaarlies may have very few links, so we need to look
814 back in time (rsort()) until we have enough days ($nb_of_days).
816 $linkdates = array ();
817 foreach ( $LINKSDB as $linkdate => $value ) {
818 $linkdates [] = $linkdate ;
821 $nb_of_days = 7 ; // We take 7 days.
822 $today = Date ( 'Ymd' );
825 foreach ( $linkdates as $linkdate ) {
826 $day = substr ( $linkdate , 0 , 8 ); // Extract day (without time)
827 if ( strcmp ( $day , $today ) < 0 ) {
828 if ( empty ( $days [ $day ])) {
829 $days [ $day ] = array ();
831 $days [ $day ][] = $linkdate ;
834 if ( count ( $days ) > $nb_of_days ) {
835 break ; // Have we collected enough days?
839 // Build the RSS feed.
840 header ( 'Content-Type: application/rss+xml; charset=utf-8' );
841 $pageaddr = escape ( index_url ( $_SERVER ));
842 echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">' ;
844 echo '<title>Daily - ' . $GLOBALS [ 'title' ] . '</title>' ;
845 echo '<link>' . $pageaddr . '</link>' ;
846 echo '<description>Daily shared links</description>' ;
847 echo '<language>en-en</language>' ;
848 echo '<copyright>' . $pageaddr . '</copyright>' . PHP_EOL
;
851 foreach ( $days as $day => $linkdates ) {
852 $daydate = linkdate2timestamp ( $day . '_000000' ); // Full text date
853 $rfc822date = linkdate2rfc822 ( $day . '_000000' );
854 $absurl = escape ( index_url ( $_SERVER ). '?do=daily&day=' . $day ); // Absolute URL of the corresponding "Daily" page.
856 // Build the HTML body of this RSS entry.
861 // We pre-format some fields for proper output.
862 foreach ( $linkdates as $linkdate ) {
863 $l = $LINKSDB [ $linkdate ];
864 $l [ 'formatedDescription' ] = nl2br ( keepMultipleSpaces ( text2clickable ( $l [ 'description' ])));
865 $l [ 'thumbnail' ] = thumbnail ( $l [ 'url' ]);
866 $l [ 'timestamp' ] = linkdate2timestamp ( $l [ 'linkdate' ]);
867 if ( startsWith ( $l [ 'url' ], '?' )) {
868 $l [ 'url' ] = index_url ( $_SERVER ) . $l [ 'url' ]; // make permalink URL absolute
870 $links [ $linkdate ] = $l ;
873 // Then build the HTML for this day:
875 $tpl- > assign ( 'title' , $GLOBALS [ 'title' ]);
876 $tpl- > assign ( 'daydate' , $daydate );
877 $tpl- > assign ( 'absurl' , $absurl );
878 $tpl- > assign ( 'links' , $links );
879 $tpl- > assign ( 'rfc822date' , escape ( $rfc822date ));
880 $html = $tpl- > draw ( 'dailyrss' , $return_string = true );
882 echo $html . PHP_EOL
;
884 echo '</channel></rss><!-- Cached version of ' . escape ( page_url ( $_SERVER )) . ' -->' ;
886 $cache- > cache ( ob_get_contents ());
894 $LINKSDB = new LinkDB (
895 $GLOBALS [ 'config' ][ 'DATASTORE' ],
896 isLoggedIn () || $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ],
897 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ]
900 $day = Date ( 'Ymd' , strtotime ( '-1 day' )); // Yesterday, in format YYYYMMDD.
901 if ( isset ( $_GET [ 'day' ])) $day = $_GET [ 'day' ];
903 $days = $LINKSDB- > days ();
904 $i = array_search ( $day , $days );
905 if ( $i === false ) { $i
= count ( $days
)- 1 ; $day
= $days
[ $i
]; }
910 if ( $i >= 1 ) $previousday = $days [ $i-1 ];
911 if ( $i < count ( $days )- 1 ) $nextday = $days [ $i +
1 ];
915 $linksToDisplay = $LINKSDB- > filterDay ( $day );
916 } catch ( Exception
$exc ) {
918 $linksToDisplay = array ();
921 // We pre-format some fields for proper output.
922 foreach ( $linksToDisplay as $key => $link )
925 $taglist = explode ( ' ' , $link [ 'tags' ]);
926 uasort ( $taglist , 'strcasecmp' );
927 $linksToDisplay [ $key ][ 'taglist' ]= $taglist ;
928 $linksToDisplay [ $key ][ 'formatedDescription' ]= nl2br ( keepMultipleSpaces ( text2clickable ( $link [ 'description' ])));
929 $linksToDisplay [ $key ][ 'thumbnail' ] = thumbnail ( $link [ 'url' ]);
930 $linksToDisplay [ $key ][ 'timestamp' ] = linkdate2timestamp ( $link [ 'linkdate' ]);
933 /* We need to spread the articles on 3 columns.
934 I did not want to use a JavaScript lib like http://masonry.desandro.com/
935 so I manually spread entries with a simple method: I roughly evaluate the
936 height of a div according to title and description length.
938 $columns = array ( array (), array (), array ()); // Entries to display, for each column.
939 $fill = array ( 0 , 0 , 0 ); // Rough estimate of columns fill.
940 foreach ( $linksToDisplay as $key => $link )
942 // Roughly estimate length of entry (by counting characters)
943 // Title: 30 chars = 1 line. 1 line is 30 pixels height.
944 // Description: 836 characters gives roughly 342 pixel height.
945 // This is not perfect, but it's usually OK.
946 $length = strlen ( $link [ 'title' ]) +
( 342 * strlen ( $link [ 'description' ]))/ 836 ;
947 if ( $link [ 'thumbnail' ]) $length +
= 100 ; // 1 thumbnails roughly takes 100 pixels height.
948 // Then put in column which is the less filled:
949 $smallest = min ( $fill ); // find smallest value in array.
950 $index = array_search ( $smallest , $fill ); // find index of this smallest value.
951 array_push ( $columns [ $index ], $link ); // Put entry in this column.
952 $fill [ $index ] +
= $length ;
954 $PAGE = new pageBuilder
;
955 $PAGE- > assign ( 'linksToDisplay' , $linksToDisplay );
956 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
957 $PAGE- > assign ( 'cols' , $columns );
958 $PAGE- > assign ( 'day' , linkdate2timestamp ( $day . '_000000' ));
959 $PAGE- > assign ( 'previousday' , $previousday );
960 $PAGE- > assign ( 'nextday' , $nextday );
961 $PAGE- > renderPage ( 'daily' );
966 // ------------------------------------------------------------------------------------------
967 // Render HTML page (according to URL parameters and user rights)
968 function renderPage ()
970 $LINKSDB = new LinkDB (
971 $GLOBALS [ 'config' ][ 'DATASTORE' ],
972 isLoggedIn () || $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ],
973 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ]
976 // -------- Display login form.
977 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=login' ))
979 if ( $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ]) { header ( 'Location: ?' ); exit ; } // No need to login for open Shaarli
980 $token = '' ; if ( ban_canLogin ()) $token = getToken (); // Do not waste token generation if not useful.
981 $PAGE = new pageBuilder
;
982 $PAGE- > assign ( 'token' , $token );
983 $PAGE- > assign ( 'returnurl' ,( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]): '' ));
984 $PAGE- > renderPage ( 'loginform' );
987 // -------- User wants to logout.
988 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=logout' ))
990 invalidateCaches ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]);
992 header ( 'Location: ?' );
996 // -------- Picture wall
997 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=picwall' ))
999 // Optionally filter the results:
1001 if (! empty ( $_GET [ 'searchterm' ])) $links = $LINKSDB- > filterFulltext ( $_GET [ 'searchterm' ]);
1002 elseif (! empty ( $_GET [ 'searchtags' ])) $links = $LINKSDB- > filterTags ( trim ( $_GET [ 'searchtags' ]));
1003 else $links = $LINKSDB ;
1006 $linksToDisplay = array ();
1008 // Get only links which have a thumbnail.
1009 foreach ( $links as $link )
1011 $permalink = '?' . escape ( smallhash ( $link [ 'linkdate' ]));
1012 $thumb = lazyThumbnail ( $link [ 'url' ], $permalink );
1013 if ( $thumb != '' ) // Only output links which have a thumbnail.
1015 $link [ 'thumbnail' ]= $thumb ; // Thumbnail HTML code.
1016 $linksToDisplay []= $link ; // Add to array.
1020 $PAGE = new pageBuilder
;
1021 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1022 $PAGE- > assign ( 'linksToDisplay' , $linksToDisplay );
1023 $PAGE- > renderPage ( 'picwall' );
1027 // -------- Tag cloud
1028 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=tagcloud' ))
1030 $tags = $LINKSDB- > allTags ();
1032 // We sort tags alphabetically, then choose a font size according to count.
1033 // First, find max value.
1034 $maxcount = 0 ; foreach ( $tags as $key => $value ) $maxcount = max ( $maxcount , $value );
1037 foreach ( $tags as $key => $value )
1038 // Tag font size scaling: default 15 and 30 logarithm bases affect scaling, 22 and 6 are arbitrary font sizes for max and min sizes.
1040 $tagList [ $key ] = array ( 'count' => $value , 'size' => log ( $value , 15 ) / log ( $maxcount , 30 ) * ( 22 - 6 ) +
6 );
1042 $PAGE = new pageBuilder
;
1043 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1044 $PAGE- > assign ( 'tags' , $tagList );
1045 $PAGE- > renderPage ( 'tagcloud' );
1049 // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...)
1050 if ( isset ( $_GET [ 'addtag' ]))
1052 // Get previous URL (http_referer) and add the tag to the searchtags parameters in query.
1053 if ( empty ( $_SERVER [ 'HTTP_REFERER' ])) { header ( 'Location: ?searchtags=' . urlencode ( $_GET
[ 'addtag' ])); exit ; } // In case browser does not send HTTP_REFERER
1054 parse_str ( parse_url ( $_SERVER [ 'HTTP_REFERER' ], PHP_URL_QUERY
), $params );
1056 // Prevent redirection loop
1057 if ( isset ( $params [ 'addtag' ])) {
1058 unset ( $params [ 'addtag' ]);
1061 // Check if this tag is already in the search query and ignore it if it is.
1062 // Each tag is always separated by a space
1063 if ( isset ( $params [ 'searchtags' ])) {
1064 $current_tags = explode ( ' ' , $params [ 'searchtags' ]);
1066 $current_tags = array ();
1069 foreach ( $current_tags as $value ) {
1070 if ( $value === $_GET [ 'addtag' ]) {
1075 // Append the tag if necessary
1076 if ( empty ( $params [ 'searchtags' ])) {
1077 $params [ 'searchtags' ] = trim ( $_GET [ 'addtag' ]);
1080 $params [ 'searchtags' ] = trim ( $params [ 'searchtags' ]). ' ' . trim ( $_GET [ 'addtag' ]);
1083 unset ( $params [ 'page' ]); // We also remove page (keeping the same page has no sense, since the results are different)
1084 header ( 'Location: ?' . http_build_query ( $params ));
1088 // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...)
1089 if ( isset ( $_GET [ 'removetag' ])) {
1090 // Get previous URL (http_referer) and remove the tag from the searchtags parameters in query.
1091 if ( empty ( $_SERVER [ 'HTTP_REFERER' ])) {
1092 header ( 'Location: ?' );
1096 // In case browser does not send HTTP_REFERER
1097 parse_str ( parse_url ( $_SERVER [ 'HTTP_REFERER' ], PHP_URL_QUERY
), $params );
1099 // Prevent redirection loop
1100 if ( isset ( $params [ 'removetag' ])) {
1101 unset ( $params [ 'removetag' ]);
1104 if ( isset ( $params [ 'searchtags' ])) {
1105 $tags = explode ( ' ' , $params [ 'searchtags' ]);
1106 $tags = array_diff ( $tags , array ( $_GET [ 'removetag' ])); // Remove value from array $tags.
1107 if ( count ( $tags )== 0 ) {
1108 unset ( $params [ 'searchtags' ]);
1110 $params [ 'searchtags' ] = implode ( ' ' , $tags );
1112 unset ( $params [ 'page' ]); // We also remove page (keeping the same page has no sense, since the results are different)
1114 header ( 'Location: ?' . http_build_query ( $params ));
1118 // -------- User wants to change the number of links per page (linksperpage=...)
1119 if ( isset ( $_GET [ 'linksperpage' ])) {
1120 if ( is_numeric ( $_GET [ 'linksperpage' ])) {
1121 $_SESSION [ 'LINKS_PER_PAGE' ]= abs ( intval ( $_GET [ 'linksperpage' ]));
1124 header ( 'Location: ' . generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'linksperpage' )));
1128 // -------- User wants to see only private links (toggle)
1129 if ( isset ( $_GET [ 'privateonly' ])) {
1130 if ( empty ( $_SESSION [ 'privateonly' ])) {
1131 $_SESSION [ 'privateonly' ] = 1 ; // See only private links
1133 unset ( $_SESSION [ 'privateonly' ]); // See all links
1136 header ( 'Location: ' . generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'privateonly' )));
1140 // -------- Handle other actions allowed for non-logged in users:
1143 // User tries to post new link but is not logged in:
1144 // Show login screen, then redirect to ?post=...
1145 if ( isset ( $_GET [ 'post' ]))
1147 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.
1151 // Same case as above except that user tried to access ?do=addlink without being logged in
1152 // Note: passing empty parameters makes Shaarli generate default URLs and descriptions.
1153 if ( isset ( $_GET [ 'do' ]) && $_GET [ 'do' ] === 'addlink' ) {
1154 header ( 'Location: ?do=login&post=' );
1158 if ( isset ( $_GET [ 'edit_link' ])) {
1159 header ( 'Location: ?do=login&edit_link=' . escape ( $_GET [ 'edit_link' ]));
1163 $PAGE = new pageBuilder
;
1164 buildLinkList ( $PAGE , $LINKSDB ); // Compute list of links to display
1165 $PAGE- > renderPage ( 'linklist' );
1166 exit ; // Never remove this one! All operations below are reserved for logged in user.
1169 // -------- All other functions are reserved for the registered user:
1171 // -------- Display the Tools menu if requested (import/export/bookmarklet...)
1172 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=tools' ))
1174 $PAGE = new pageBuilder
;
1175 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1176 $PAGE- > assign ( 'pageabsaddr' , index_url ( $_SERVER ));
1177 $PAGE- > renderPage ( 'tools' );
1181 // -------- User wants to change his/her password.
1182 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=changepasswd' ))
1184 if ( $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ]) die ( 'You are not supposed to change a password on an Open Shaarli.' );
1185 if (! empty ( $_POST [ 'setpassword' ]) && ! empty ( $_POST [ 'oldpassword' ]))
1187 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' ); // Go away!
1189 // Make sure old password is correct.
1190 $oldhash = sha1 ( $_POST [ 'oldpassword' ]. $GLOBALS [ 'login' ]. $GLOBALS [ 'salt' ]);
1191 if ( $oldhash != $GLOBALS [ 'hash' ]) { echo '<script>alert("The old password is not correct.");document.location= \' ?do=changepasswd \' ;</script>' ; exit ; }
1192 // Save new password
1193 $GLOBALS [ 'salt' ] = sha1 ( uniqid ( '' , true ). '_' . mt_rand ()); // Salt renders rainbow-tables attacks useless.
1194 $GLOBALS [ 'hash' ] = sha1 ( $_POST [ 'setpassword' ]. $GLOBALS [ 'login' ]. $GLOBALS [ 'salt' ]);
1196 writeConfig ( $GLOBALS , isLoggedIn ());
1198 catch ( Exception
$e ) {
1200 'ERROR while writing config file after changing password.' . PHP_EOL
.
1204 // TODO: do not handle exceptions/errors in JS.
1205 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ?do=tools \' ;</script>' ;
1208 echo '<script>alert("Your password has been changed.");document.location= \' ?do=tools \' ;</script>' ;
1211 else // show the change password form.
1213 $PAGE = new pageBuilder
;
1214 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1215 $PAGE- > assign ( 'token' , getToken ());
1216 $PAGE- > renderPage ( 'changepassword' );
1221 // -------- User wants to change configuration
1222 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=configure' ))
1224 if (! empty ( $_POST [ 'title' ]) )
1226 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' ); // Go away!
1228 if (! empty ( $_POST [ 'continent' ]) && ! empty ( $_POST [ 'city' ]))
1229 if ( isTimeZoneValid ( $_POST [ 'continent' ], $_POST [ 'city' ]))
1230 $tz = $_POST [ 'continent' ]. '/' . $_POST [ 'city' ];
1231 $GLOBALS [ 'timezone' ] = $tz ;
1232 $GLOBALS [ 'title' ]= $_POST [ 'title' ];
1233 $GLOBALS [ 'titleLink' ]= $_POST [ 'titleLink' ];
1234 $GLOBALS [ 'redirector' ]= $_POST [ 'redirector' ];
1235 $GLOBALS [ 'disablesessionprotection' ]=! empty ( $_POST [ 'disablesessionprotection' ]);
1236 $GLOBALS [ 'privateLinkByDefault' ]=! empty ( $_POST [ 'privateLinkByDefault' ]);
1237 $GLOBALS [ 'config' ][ 'ENABLE_RSS_PERMALINKS' ]= ! empty ( $_POST [ 'enableRssPermalinks' ]);
1238 $GLOBALS [ 'config' ][ 'ENABLE_UPDATECHECK' ] = ! empty ( $_POST [ 'updateCheck' ]);
1239 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ] = ! empty ( $_POST [ 'hidePublicLinks' ]);
1241 writeConfig ( $GLOBALS , isLoggedIn ());
1243 catch ( Exception
$e ) {
1245 'ERROR while writing config file after configuration update.' . PHP_EOL
.
1249 // TODO: do not handle exceptions/errors in JS.
1250 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ?do=tools \' ;</script>' ;
1253 echo '<script>alert("Configuration was saved.");document.location= \' ?do=tools \' ;</script>' ;
1256 else // Show the configuration form.
1258 $PAGE = new pageBuilder
;
1259 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1260 $PAGE- > assign ( 'token' , getToken ());
1261 $PAGE- > assign ( 'title' , empty ( $GLOBALS [ 'title' ]) ? '' : $GLOBALS [ 'title' ] );
1262 $PAGE- > assign ( 'redirector' , empty ( $GLOBALS [ 'redirector' ]) ? '' : $GLOBALS [ 'redirector' ] );
1263 list ( $timezone_form , $timezone_js ) = generateTimeZoneForm ( $GLOBALS [ 'timezone' ]);
1264 $PAGE- > assign ( 'timezone_form' , $timezone_form );
1265 $PAGE- > assign ( 'timezone_js' , $timezone_js );
1266 $PAGE- > renderPage ( 'configure' );
1271 // -------- User wants to rename a tag or delete it
1272 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=changetag' ))
1274 if ( empty ( $_POST [ 'fromtag' ]))
1276 $PAGE = new pageBuilder
;
1277 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1278 $PAGE- > assign ( 'token' , getToken ());
1279 $PAGE- > assign ( 'tags' , $LINKSDB- > allTags ());
1280 $PAGE- > renderPage ( 'changetag' );
1283 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' );
1286 if (! empty ( $_POST [ 'deletetag' ]) && ! empty ( $_POST [ 'fromtag' ]))
1288 $needle = trim ( $_POST [ 'fromtag' ]);
1289 $linksToAlter = $LINKSDB- > filterTags ( $needle , true ); // True for case-sensitive tag search.
1290 foreach ( $linksToAlter as $key => $value )
1292 $tags = explode ( ' ' , trim ( $value [ 'tags' ]));
1293 unset ( $tags [ array_search ( $needle , $tags )]); // Remove tag.
1294 $value [ 'tags' ]= trim ( implode ( ' ' , $tags ));
1295 $LINKSDB [ $key ]= $value ;
1297 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]); // Save to disk.
1298 echo '<script>alert("Tag was removed from ' . count ( $linksToAlter ). ' links.");document.location= \' ? \' ;</script>' ;
1303 if (! empty ( $_POST [ 'renametag' ]) && ! empty ( $_POST [ 'fromtag' ]) && ! empty ( $_POST [ 'totag' ]))
1305 $needle = trim ( $_POST [ 'fromtag' ]);
1306 $linksToAlter = $LINKSDB- > filterTags ( $needle , true ); // true for case-sensitive tag search.
1307 foreach ( $linksToAlter as $key => $value )
1309 $tags = explode ( ' ' , trim ( $value [ 'tags' ]));
1310 $tags [ array_search ( $needle , $tags )] = trim ( $_POST [ 'totag' ]); // Replace tags value.
1311 $value [ 'tags' ]= trim ( implode ( ' ' , $tags ));
1312 $LINKSDB [ $key ]= $value ;
1314 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]); // Save to disk.
1315 echo '<script>alert("Tag was renamed in ' . count ( $linksToAlter ). ' links.");document.location= \' ?searchtags=' . urlencode ( $_POST [ 'totag' ]). ' \' ;</script>' ;
1320 // -------- User wants to add a link without using the bookmarklet: Show form.
1321 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=addlink' ))
1323 $PAGE = new pageBuilder
;
1324 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1325 $PAGE- > renderPage ( 'addlink' );
1329 // -------- User clicked the "Save" button when editing a link: Save link to database.
1330 if ( isset ( $_POST [ 'save_edit' ]))
1332 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' ); // Go away!
1333 $tags = trim ( preg_replace ( '/\s\s+/' , ' ' , $_POST [ 'lf_tags' ])); // Remove multiple spaces.
1334 $tags = implode ( ' ' , array_unique ( explode ( ' ' , $tags ))); // Remove duplicates.
1335 $linkdate = $_POST [ 'lf_linkdate' ];
1336 $url = trim ( $_POST [ 'lf_url' ]);
1337 if (! startsWith ( $url , 'http:' ) && ! startsWith ( $url , 'https:' ) && ! startsWith ( $url , 'ftp:' ) && ! startsWith ( $url , 'magnet:' ) && ! startsWith ( $url , '?' ) && ! startsWith ( $url , 'javascript:' ))
1338 $url = 'http://' . $url ;
1339 $link = array ( 'title' => trim ( $_POST [ 'lf_title' ]), 'url' => $url , 'description' => trim ( $_POST [ 'lf_description' ]), 'private' =>( isset ( $_POST [ 'lf_private' ]) ? 1 : 0 ),
1340 'linkdate' => $linkdate , 'tags' => str_replace ( ',' , ' ' , $tags ));
1341 if ( $link [ 'title' ]== '' ) $link [ 'title' ]= $link [ 'url' ]; // If title is empty, use the URL as title.
1342 $LINKSDB [ $linkdate ] = $link ;
1343 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]); // Save to disk.
1346 // If we are called from the bookmarklet, we must close the popup:
1347 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) { echo '<script>self.close();</script>' ; exit ; }
1348 $returnurl = ( ! empty ( $_POST [ 'returnurl' ]) ? escape ( $_POST [ 'returnurl' ]) : '?' );
1349 $returnurl .= '#' . smallHash ( $_POST [ 'lf_linkdate' ]); // Scroll to the link which has been edited.
1350 $location = generateLocation ( $returnurl , $_SERVER [ 'HTTP_HOST' ], array ( 'addlink' , 'post' , 'edit_link' ));
1351 header ( 'Location: ' . $location ); // After saving the link, redirect to the page the user was on.
1355 // -------- User clicked the "Cancel" button when editing a link.
1356 if ( isset ( $_POST [ 'cancel_edit' ]))
1358 // If we are called from the bookmarklet, we must close the popup:
1359 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) { echo '<script>self.close();</script>' ; exit ; }
1360 $returnurl = ( isset ( $_POST [ 'returnurl' ]) ? $_POST [ 'returnurl' ] : '?' );
1361 $returnurl .= '#' . smallHash ( $_POST [ 'lf_linkdate' ]); // Scroll to the link which has been edited.
1362 $returnurl = generateLocation ( $returnurl , $_SERVER [ 'HTTP_HOST' ], array ( 'addlink' , 'post' , 'edit_link' ));
1363 header ( 'Location: ' . $returnurl ); // After canceling, redirect to the page the user was on.
1367 // -------- User clicked the "Delete" button when editing a link: Delete link from database.
1368 if ( isset ( $_POST [ 'delete_link' ]))
1370 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' );
1371 // We do not need to ask for confirmation:
1372 // - confirmation is handled by JavaScript
1373 // - we are protected from XSRF by the token.
1374 $linkdate = $_POST [ 'lf_linkdate' ];
1375 unset ( $LINKSDB [ $linkdate ]);
1376 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]); // save to disk
1378 // If we are called from the bookmarklet, we must close the popup:
1379 if ( isset ( $_GET [ 'source' ]) && ( $_GET [ 'source' ]== 'bookmarklet' || $_GET [ 'source' ]== 'firefoxsocialapi' )) { echo '<script>self.close();</script>' ; exit ; }
1380 // Pick where we're going to redirect
1381 // =============================================================
1382 // Basically, we can't redirect to where we were previously if it was a permalink
1383 // or an edit_link, because it would 404.
1385 // - / : nothing in $_GET, redirect to self
1386 // - /?page : redirect to self
1387 // - /?searchterm : redirect to self (there might be other links)
1388 // - /?searchtags : redirect to self
1389 // - /permalink : redirect to / (the link does not exist anymore)
1390 // - /?edit_link : redirect to / (the link does not exist anymore)
1391 // PHP treats the permalink as a $_GET variable, so we need to check if every condition for self
1392 // redirect is not satisfied, and only then redirect to /
1395 if ( count ( $_GET ) == 0
1396 || isset ( $_GET [ 'page' ])
1397 || isset ( $_GET [ 'searchterm' ])
1398 || isset ( $_GET [ 'searchtags' ])
1400 if ( isset ( $_POST [ 'returnurl' ])) {
1401 $location = $_POST [ 'returnurl' ]; // Handle redirects given by the form
1403 $location = generateLocation ( $_SERVER [ 'HTTP_REFERER' ], $_SERVER [ 'HTTP_HOST' ], array ( 'delete_link' ));
1407 header ( 'Location: ' . $location ); // After deleting the link, redirect to appropriate location
1411 // -------- User clicked the "EDIT" button on a link: Display link edit form.
1412 if ( isset ( $_GET [ 'edit_link' ]))
1414 $link = $LINKSDB [ $_GET [ 'edit_link' ]]; // Read database
1415 if (! $link ) { header ( 'Location: ?' ); exit ; } // Link not found in database.
1416 $PAGE = new pageBuilder
;
1417 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1418 $PAGE- > assign ( 'link' , $link );
1419 $PAGE- > assign ( 'link_is_new' , false );
1420 $PAGE- > assign ( 'token' , getToken ()); // XSRF protection.
1421 $PAGE- > assign ( 'http_referer' ,( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? escape ( $_SERVER [ 'HTTP_REFERER' ]) : '' ));
1422 $PAGE- > assign ( 'tags' , $LINKSDB- > allTags ());
1423 $PAGE- > renderPage ( 'editlink' );
1427 // -------- User want to post a new link: Display link edit form.
1428 if ( isset ( $_GET [ 'post' ])) {
1429 $url = cleanup_url ( $_GET [ 'post' ]);
1431 $link_is_new = false ;
1432 // Check if URL is not already in database (in this case, we will edit the existing link)
1433 $link = $LINKSDB- > getLinkFromUrl ( $url );
1436 $link_is_new = true ;
1437 $linkdate = strval ( date ( 'Ymd_His' ));
1438 // Get title if it was provided in URL (by the bookmarklet).
1439 $title = ( empty ( $_GET [ 'title' ]) ? '' : $_GET [ 'title' ] );
1440 // Get description if it was provided in URL (by the bookmarklet). [Bronco added that]
1441 $description = ( empty ( $_GET [ 'description' ]) ? '' : $_GET [ 'description' ]);
1442 $tags = ( empty ( $_GET [ 'tags' ]) ? '' : $_GET [ 'tags' ] );
1443 $private = (! empty ( $_GET [ 'private' ]) && $_GET [ 'private' ] === "1" ? 1 : 0 );
1444 // 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.)
1445 if ( empty ( $title ) && strpos ( get_url_scheme ( $url ), 'http' ) !== false ) {
1446 // Short timeout to keep the application responsive
1447 list ( $headers , $data ) = get_http_url ( $url , 4 );
1448 // FIXME: Decode charset according to specified in either 1) HTTP response headers or 2) <head> in html
1449 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
1450 // Look for charset in html header.
1451 preg_match ( '#<meta .*charset=.*>#Usi' , $data , $meta );
1453 // If found, extract encoding.
1454 if (! empty ( $meta [ 0 ])) {
1455 // Get encoding specified in header.
1456 preg_match ( '#charset="?(.*)"#si' , $meta [ 0 ], $enc );
1457 // If charset not found, use utf-8.
1458 $html_charset = (! empty ( $enc [ 1 ])) ? strtolower ( $enc [ 1 ]) : 'utf-8' ;
1461 $html_charset = 'utf-8' ;
1465 $title = html_extract_title ( $data );
1466 if (! empty ( $title )) {
1467 // Re-encode title in utf-8 if necessary.
1468 $title = ( $html_charset == 'iso-8859-1' ) ? utf8_encode ( $title ) : $title ;
1473 $url = '?' . smallHash ( $linkdate );
1477 'linkdate' => $linkdate ,
1480 'description' => $description ,
1482 'private' => $private
1486 $PAGE = new pageBuilder
;
1487 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1488 $PAGE- > assign ( 'link' , $link );
1489 $PAGE- > assign ( 'link_is_new' , $link_is_new );
1490 $PAGE- > assign ( 'token' , getToken ()); // XSRF protection.
1491 $PAGE- > assign ( 'http_referer' ,( isset ( $_SERVER [ 'HTTP_REFERER' ]) ? $_SERVER [ 'HTTP_REFERER' ] : '' ));
1492 $PAGE- > assign ( 'source' ,( isset ( $_GET [ 'source' ]) ? $_GET [ 'source' ] : '' ));
1493 $PAGE- > assign ( 'tags' , $LINKSDB- > allTags ());
1494 $PAGE- > renderPage ( 'editlink' );
1498 // -------- Export as Netscape Bookmarks HTML file.
1499 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=export' ))
1501 if ( empty ( $_GET [ 'what' ]))
1503 $PAGE = new pageBuilder
;
1504 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1505 $PAGE- > renderPage ( 'export' );
1508 $exportWhat = $_GET [ 'what' ];
1509 if (! array_intersect ( array ( 'all' , 'public' , 'private' ), array ( $exportWhat ))) die ( 'What are you trying to export???' );
1511 header ( 'Content-Type: text/html; charset=utf-8' );
1512 header ( 'Content-disposition: attachment; filename=bookmarks_' . $exportWhat . '_' . strval ( date ( 'Ymd_His' )). '.html' );
1513 $currentdate = date ( 'Y/m/d H:i:s' );
1515 <!DOCTYPE NETSCAPE-Bookmark-file-1>
1516 <!-- This is an automatically generated file.
1517 It will be read and overwritten.
1519 <!-- Shaarli {$exportWhat} bookmarks export on {$currentdate} -->
1520 <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8">
1521 <TITLE>Bookmarks</TITLE>
1524 foreach ( $LINKSDB as $link )
1526 if ( $exportWhat == 'all' ||
1527 ( $exportWhat == 'private' && $link [ 'private' ]!= 0 ) ||
1528 ( $exportWhat == 'public' && $link [ 'private' ]== 0 ))
1530 echo '<DT><A HREF="' . $link [ 'url' ]. '" ADD_DATE="' . linkdate2timestamp ( $link [ 'linkdate' ]). '" PRIVATE="' . $link [ 'private' ]. '"' ;
1531 if ( $link [ 'tags' ]!= '' ) echo ' TAGS="' . str_replace ( ' ' , ',' , $link [ 'tags' ]). '"' ;
1532 echo '>' . $link [ 'title' ]. "</A> \n " ;
1533 if ( $link [ 'description' ]!= '' ) echo '<DD>' . $link [ 'description' ]. " \n " ;
1539 // -------- User is uploading a file for import
1540 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=upload' ))
1542 // If file is too big, some form field may be missing.
1543 if (! isset ( $_POST [ 'token' ]) || (! isset ( $_FILES )) || ( isset ( $_FILES [ 'filetoupload' ][ 'size' ]) && $_FILES [ 'filetoupload' ][ 'size' ]== 0 ))
1545 $returnurl = ( empty ( $_SERVER [ 'HTTP_REFERER' ]) ? '?' : $_SERVER [ 'HTTP_REFERER' ] );
1546 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>' ;
1549 if (! tokenOk ( $_POST [ 'token' ])) die ( 'Wrong token.' );
1554 // -------- Show upload/import dialog:
1555 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=import' ))
1557 $PAGE = new pageBuilder
;
1558 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1559 $PAGE- > assign ( 'token' , getToken ());
1560 $PAGE- > assign ( 'maxfilesize' , getMaxFileSize ());
1561 $PAGE- > renderPage ( 'import' );
1565 // -------- Otherwise, simply display search form and links:
1566 $PAGE = new pageBuilder
;
1567 buildLinkList ( $PAGE , $LINKSDB ); // Compute list of links to display
1568 $PAGE- > renderPage ( 'linklist' );
1572 // -----------------------------------------------------------------------------------------------
1573 // Process the import file form.
1574 function importFile ()
1576 if (!( isLoggedIn () || $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ])) { die ( 'Not allowed.' ); }
1577 $LINKSDB = new LinkDB (
1578 $GLOBALS [ 'config' ][ 'DATASTORE' ],
1579 isLoggedIn () || $GLOBALS [ 'config' ][ 'OPEN_SHAARLI' ],
1580 $GLOBALS [ 'config' ][ 'HIDE_PUBLIC_LINKS' ]
1582 $filename = $_FILES [ 'filetoupload' ][ 'name' ];
1583 $filesize = $_FILES [ 'filetoupload' ][ 'size' ];
1584 $data = file_get_contents ( $_FILES [ 'filetoupload' ][ 'tmp_name' ]);
1585 $private = ( empty ( $_POST [ 'private' ]) ? 0 : 1 ); // Should the links be imported as private?
1586 $overwrite = ! empty ( $_POST [ 'overwrite' ]) ; // Should the imported links overwrite existing ones?
1591 if ( startsWith ( $data , '<!DOCTYPE NETSCAPE-Bookmark-file-1>' )) $type = 'netscape' ; // Netscape bookmark file (aka Firefox).
1593 // Then import the bookmarks.
1594 if ( $type == 'netscape' )
1596 // This is a standard Netscape-style bookmark file.
1597 // This format is supported by all browsers (except IE, of course), also Delicious, Diigo and others.
1598 foreach ( explode ( '<DT>' , $data ) as $html ) // explode is very fast
1600 $link = array ( 'linkdate' => '' , 'title' => '' , 'url' => '' , 'description' => '' , 'tags' => '' , 'private' => 0 );
1601 $d = explode ( '<DD>' , $html );
1602 if ( startswith ( $d [ 0 ], '<A ' ))
1604 $link [ 'description' ] = ( isset ( $d [ 1 ]) ? html_entity_decode ( trim ( $d [ 1 ]), ENT_QUOTES
, 'UTF-8' ) : '' ); // Get description (optional)
1605 preg_match ( '!<A .*?>(.*?)</A>!i' , $d [ 0 ], $matches ); $link [ 'title' ] = ( isset ( $matches [ 1 ]) ? trim ( $matches [ 1 ]) : '' ); // Get title
1606 $link [ 'title' ] = html_entity_decode ( $link [ 'title' ], ENT_QUOTES
, 'UTF-8' );
1607 preg_match_all ( '! ([A-Z_]+)= \" (.*?)"!i' , $html , $matches , PREG_SET_ORDER
); // Get all other attributes
1609 foreach ( $matches as $m )
1611 $attr = $m [ 1 ]; $value = $m [ 2 ];
1612 if ( $attr == 'HREF' ) $link [ 'url' ]= html_entity_decode ( $value , ENT_QUOTES
, 'UTF-8' );
1613 elseif ( $attr == 'ADD_DATE' )
1615 $raw_add_date = intval ( $value );
1616 if ( $raw_add_date > 30000000000 ) $raw_add_date /= 1000 ; //If larger than year 2920, then was likely stored in milliseconds instead of seconds
1618 elseif ( $attr == 'PRIVATE' ) $link [ 'private' ]=( $value == '0' ? 0 : 1 );
1619 elseif ( $attr == 'TAGS' ) $link [ 'tags' ]= html_entity_decode ( str_replace ( ',' , ' ' , $value ), ENT_QUOTES
, 'UTF-8' );
1621 if ( $link [ 'url' ]!= '' )
1623 if ( $private == 1 ) $link [ 'private' ]= 1 ;
1624 $dblink = $LINKSDB- > getLinkFromUrl ( $link [ 'url' ]); // See if the link is already in database.
1626 { // Link not in database, let's import it...
1627 if ( empty ( $raw_add_date )) $raw_add_date = time (); // In case of shitty bookmark file with no ADD_DATE
1629 // Make sure date/time is not already used by another link.
1630 // (Some bookmark files have several different links with the same ADD_DATE)
1631 // We increment date by 1 second until we find a date which is not used in DB.
1632 // (so that links that have the same date/time are more or less kept grouped by date, but do not conflict.)
1633 while (! empty ( $LINKSDB [ date ( 'Ymd_His' , $raw_add_date )])) { $raw_add_date++
; } // Yes, I know it's ugly.
1634 $link [ 'linkdate' ]= date ( 'Ymd_His' , $raw_add_date );
1635 $LINKSDB [ $link [ 'linkdate' ]] = $link ;
1638 else // Link already present in database.
1641 { // If overwrite is required, we import link data, except date/time.
1642 $link [ 'linkdate' ]= $dblink [ 'linkdate' ];
1643 $LINKSDB [ $link [ 'linkdate' ]] = $link ;
1651 $LINKSDB- > savedb ( $GLOBALS [ 'config' ][ 'PAGECACHE' ]);
1653 echo '<script>alert("File ' . json_encode ( $filename ). ' (' . $filesize . ' bytes) was successfully processed: ' . $import_count . ' links imported.");document.location= \' ? \' ;</script>' ;
1657 echo '<script>alert("File ' . json_encode ( $filename ). ' (' . $filesize . ' bytes) has an unknown file format. Nothing was imported.");document.location= \' ? \' ;</script>' ;
1661 // -----------------------------------------------------------------------------------------------
1662 // Template for the list of links (<div id="linklist">)
1663 // This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
1664 function buildLinkList ( $PAGE , $LINKSDB )
1666 // ---- Filter link database according to parameters
1667 $linksToDisplay = array ();
1670 if ( isset ( $_GET [ 'searchterm' ])) // Fulltext search
1672 $linksToDisplay = $LINKSDB- > filterFulltext ( trim ( $_GET [ 'searchterm' ]));
1673 $search_crits = escape ( trim ( $_GET [ 'searchterm' ]));
1674 $search_type = 'fulltext' ;
1676 elseif ( isset ( $_GET [ 'searchtags' ])) // Search by tag
1678 $linksToDisplay = $LINKSDB- > filterTags ( trim ( $_GET [ 'searchtags' ]));
1679 $search_crits = explode ( ' ' , escape ( trim ( $_GET [ 'searchtags' ])));
1680 $search_type = 'tags' ;
1682 elseif ( isset ( $_SERVER [ 'QUERY_STRING' ]) && preg_match ( '/[a-zA-Z0-9-_@] {6} (&.+?)?/' , $_SERVER [ 'QUERY_STRING' ])) // Detect smallHashes in URL
1684 $linksToDisplay = $LINKSDB- > filterSmallHash ( substr ( trim ( $_SERVER [ "QUERY_STRING" ], '/' ), 0 , 6 ));
1685 if ( count ( $linksToDisplay )== 0 )
1687 header ( $_SERVER [ "SERVER_PROTOCOL" ]. " 404 Not Found" );
1688 echo '<h1>404 Not found.</h1>Oh crap. The link you are trying to reach does not exist or has been deleted.' ;
1689 echo '<br>Would you mind <a href="?">clicking here</a>?' ;
1692 $search_type = 'permalink' ;
1695 $linksToDisplay = $LINKSDB ; // Otherwise, display without filtering.
1698 // Option: Show only private links
1699 if (! empty ( $_SESSION [ 'privateonly' ]))
1702 foreach ( $linksToDisplay as $linkdate => $link )
1704 if ( $link [ 'private' ]!= 0 ) $tmp [ $linkdate ]= $link ;
1706 $linksToDisplay = $tmp ;
1709 // ---- Handle paging.
1710 /* Can someone explain to me why you get the following error when using array_keys() on an object which implements the interface ArrayAccess???
1711 "Warning: array_keys() expects parameter 1 to be array, object given in ... "
1712 If my class implements ArrayAccess, why won't array_keys() accept it ? ( $keys=array_keys($linksToDisplay); )
1714 $keys = array (); foreach ( $linksToDisplay as $key => $value ) { $keys
[]= $key
; } // Stupid and ugly. Thanks PHP.
1716 // If there is only a single link, we change on-the-fly the title of the page.
1717 if ( count ( $linksToDisplay )== 1 ) $GLOBALS [ 'pagetitle' ] = $linksToDisplay [ $keys [ 0 ]][ 'title' ]. ' - ' . $GLOBALS [ 'title' ];
1719 // Select articles according to paging.
1720 $pagecount = ceil ( count ( $keys )/ $_SESSION [ 'LINKS_PER_PAGE' ]);
1721 $pagecount = ( $pagecount == 0 ? 1 : $pagecount );
1722 $page =( empty ( $_GET [ 'page' ]) ? 1 : intval ( $_GET [ 'page' ]));
1723 $page = ( $page < 1 ? 1 : $page );
1724 $page = ( $page > $pagecount ? $pagecount : $page );
1725 $i = ( $page-1 )* $_SESSION [ 'LINKS_PER_PAGE' ]; // Start index.
1726 $end = $i +
$_SESSION [ 'LINKS_PER_PAGE' ];
1727 $linkDisp = array (); // Links to display
1728 while ( $i < $end && $i < count ( $keys ))
1730 $link = $linksToDisplay [ $keys [ $i ]];
1731 $link [ 'description' ]= nl2br ( keepMultipleSpaces ( text2clickable ( $link [ 'description' ])));
1732 $title = $link [ 'title' ];
1733 $classLi = $i %
2 != 0 ? '' : 'publicLinkHightLight' ;
1734 $link [ 'class' ] = ( $link [ 'private' ]== 0 ? $classLi : 'private' );
1735 $link [ 'timestamp' ]= linkdate2timestamp ( $link [ 'linkdate' ]);
1736 $taglist = explode ( ' ' , $link [ 'tags' ]);
1737 uasort ( $taglist , 'strcasecmp' );
1738 $link [ 'taglist' ]= $taglist ;
1740 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.
1741 strlen ( $link [ "url" ]) === 7 ) {
1742 $link [ "url" ] = index_url ( $_SERVER ) . $link [ "url" ];
1745 $linkDisp [ $keys [ $i ]] = $link ;
1749 // Compute paging navigation
1750 $searchterm = ( empty ( $_GET [ 'searchterm' ]) ? '' : '&searchterm=' . $_GET [ 'searchterm' ] );
1751 $searchtags = ( empty ( $_GET [ 'searchtags' ]) ? '' : '&searchtags=' . $_GET [ 'searchtags' ] );
1753 $previous_page_url = '' ; if ( $i != count ( $keys )) $previous_page_url = '?page=' .( $page +
1 ). $searchterm . $searchtags ;
1754 $next_page_url = '' ; if ( $page > 1 ) $next_page_url = '?page=' .( $page-1 ). $searchterm . $searchtags ;
1756 $token = '' ; if ( isLoggedIn ()) $token = getToken ();
1758 // Fill all template fields.
1759 $PAGE- > assign ( 'linkcount' , count ( $LINKSDB ));
1760 $PAGE- > assign ( 'previous_page_url' , $previous_page_url );
1761 $PAGE- > assign ( 'next_page_url' , $next_page_url );
1762 $PAGE- > assign ( 'page_current' , $page );
1763 $PAGE- > assign ( 'page_max' , $pagecount );
1764 $PAGE- > assign ( 'result_count' , count ( $linksToDisplay ));
1765 $PAGE- > assign ( 'search_type' , $search_type );
1766 $PAGE- > assign ( 'search_crits' , $search_crits );
1767 $PAGE- > assign ( 'redirector' , empty ( $GLOBALS [ 'redirector' ]) ? '' : $GLOBALS [ 'redirector' ]); // Optional redirector URL.
1768 $PAGE- > assign ( 'token' , $token );
1769 $PAGE- > assign ( 'links' , $linkDisp );
1770 $PAGE- > assign ( 'tags' , $LINKSDB- > allTags ());
1774 // Compute the thumbnail for a link.
1776 // With a link to the original URL.
1777 // Understands various services (youtube.com...)
1778 // Input: $url = URL for which the thumbnail must be found.
1779 // $href = if provided, this URL will be followed instead of $url
1780 // Returns an associative array with thumbnail attributes (src,href,width,height,style,alt)
1781 // Some of them may be missing.
1782 // Return an empty array if no thumbnail available.
1783 function computeThumbnail ( $url , $href = false )
1785 if (! $GLOBALS [ 'config' ][ 'ENABLE_THUMBNAILS' ]) return array ();
1786 if ( $href == false ) $href = $url ;
1788 // For most hosts, the URL of the thumbnail can be easily deduced from the URL of the link.
1789 // (e.g. http://www.youtube.com/watch?v=spVypYk4kto ---> http://img.youtube.com/vi/spVypYk4kto/default.jpg )
1790 // ^^^^^^^^^^^ ^^^^^^^^^^^
1791 $domain = parse_url ( $url , PHP_URL_HOST
);
1792 if ( $domain == 'youtube.com' || $domain == 'www.youtube.com' )
1794 parse_str ( parse_url ( $url , PHP_URL_QUERY
), $params ); // Extract video ID and get thumbnail
1795 if (! empty ( $params [ 'v' ])) return array ( 'src' => 'https://img.youtube.com/vi/' . $params [ 'v' ]. '/default.jpg' ,
1796 'href' => $href , 'width' => '120' , 'height' => '90' , 'alt' => 'YouTube thumbnail' );
1798 if ( $domain == 'youtu.be' ) // Youtube short links
1800 $path = parse_url ( $url , PHP_URL_PATH
);
1801 return array ( 'src' => 'https://img.youtube.com/vi' . $path . '/default.jpg' ,
1802 'href' => $href , 'width' => '120' , 'height' => '90' , 'alt' => 'YouTube thumbnail' );
1804 if ( $domain == 'pix.toile-libre.org' ) // pix.toile-libre.org image hosting
1806 parse_str ( parse_url ( $url , PHP_URL_QUERY
), $params ); // Extract image filename.
1807 if (! empty ( $params ) && ! empty ( $params [ 'img' ])) return array ( 'src' => 'http://pix.toile-libre.org/upload/thumb/' . urlencode ( $params [ 'img' ]),
1808 'href' => $href , 'style' => 'max-width:120px; max-height:150px' , 'alt' => 'pix.toile-libre.org thumbnail' );
1811 if ( $domain == 'imgur.com' )
1813 $path = parse_url ( $url , PHP_URL_PATH
);
1814 if ( startsWith ( $path , '/a/' )) return array (); // Thumbnails for albums are not available.
1815 if ( startsWith ( $path , '/r/' )) return array ( 'src' => 'https://i.imgur.com/' . basename ( $path ). 's.jpg' ,
1816 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
1817 if ( startsWith ( $path , '/gallery/' )) return array ( 'src' => 'https://i.imgur.com' . substr ( $path , 8 ). 's.jpg' ,
1818 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
1820 if ( substr_count ( $path , '/' )== 1 ) return array ( 'src' => 'https://i.imgur.com/' . substr ( $path , 1 ). 's.jpg' ,
1821 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
1823 if ( $domain == 'i.imgur.com' )
1825 $pi = pathinfo ( parse_url ( $url , PHP_URL_PATH
));
1826 if (! empty ( $pi [ 'filename' ])) return array ( 'src' => 'https://i.imgur.com/' . $pi [ 'filename' ]. 's.jpg' ,
1827 'href' => $href , 'width' => '90' , 'height' => '90' , 'alt' => 'imgur.com thumbnail' );
1829 if ( $domain == 'dailymotion.com' || $domain == 'www.dailymotion.com' )
1831 if ( strpos ( $url , 'dailymotion.com/video/' )!== false )
1833 $thumburl = str_replace ( 'dailymotion.com/video/' , 'dailymotion.com/thumbnail/video/' , $url );
1834 return array ( 'src' => $thumburl ,
1835 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'DailyMotion thumbnail' );
1838 if ( endsWith ( $domain , '.imageshack.us' ))
1840 $ext = strtolower ( pathinfo ( $url , PATHINFO_EXTENSION
));
1841 if ( $ext == 'jpg' || $ext == 'jpeg' || $ext == 'png' || $ext == 'gif' )
1843 $thumburl = substr ( $url , 0 , strlen ( $url )- strlen ( $ext )). 'th.' . $ext ;
1844 return array ( 'src' => $thumburl ,
1845 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'imageshack.us thumbnail' );
1849 // Some other hosts are SLOW AS HELL and usually require an extra HTTP request to get the thumbnail URL.
1850 // So we deport the thumbnail generation in order not to slow down page generation
1851 // (and we also cache the thumbnail)
1853 if (! $GLOBALS [ 'config' ][ 'ENABLE_LOCALCACHE' ]) return array (); // If local cache is disabled, no thumbnails for services which require the use a local cache.
1855 if ( $domain == 'flickr.com' || endsWith ( $domain , '.flickr.com' )
1856 || $domain == 'vimeo.com'
1857 || $domain == 'ted.com' || endsWith ( $domain , '.ted.com' )
1858 || $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' )
1861 if ( $domain == 'vimeo.com' )
1862 { // Make sure this vimeo URL points to a video (/xxx... where xxx is numeric)
1863 $path = parse_url ( $url , PHP_URL_PATH
);
1864 if (! preg_match ( '!/\d+.+?!' , $path )) return array (); // This is not a single video URL.
1866 if ( $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' ))
1867 { // Make sure this URL points to a single comic (/xxx... where xxx is numeric)
1868 $path = parse_url ( $url , PHP_URL_PATH
);
1869 if (! preg_match ( '!/\d+.+?!' , $path )) return array ();
1871 if ( $domain == 'ted.com' || endsWith ( $domain , '.ted.com' ))
1872 { // Make sure this TED URL points to a video (/talks/...)
1873 $path = parse_url ( $url , PHP_URL_PATH
);
1874 if ( "/talks/" !== substr ( $path , 0 , 7 )) return array (); // This is not a single video URL.
1876 $sign = hash_hmac ( 'sha256' , $url , $GLOBALS [ 'salt' ]); // We use the salt to sign data (it's random, secret, and specific to each installation)
1877 return array ( 'src' => index_url ( $_SERVER ). '?do=genthumbnail&hmac=' . $sign . '&url=' . urlencode ( $url ),
1878 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'thumbnail' );
1881 // For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif
1882 // Technically speaking, we should download ALL links and check their Content-Type to see if they are images.
1883 // But using the extension will do.
1884 $ext = strtolower ( pathinfo ( $url , PATHINFO_EXTENSION
));
1885 if ( $ext == 'jpg' || $ext == 'jpeg' || $ext == 'png' || $ext == 'gif' )
1887 $sign = hash_hmac ( 'sha256' , $url , $GLOBALS [ 'salt' ]); // We use the salt to sign data (it's random, secret, and specific to each installation)
1888 return array ( 'src' => index_url ( $_SERVER ). '?do=genthumbnail&hmac=' . $sign . '&url=' . urlencode ( $url ),
1889 'href' => $href , 'width' => '120' , 'style' => 'height:auto;' , 'alt' => 'thumbnail' );
1891 return array (); // No thumbnail.
1896 // Returns the HTML code to display a thumbnail for a link
1897 // with a link to the original URL.
1898 // Understands various services (youtube.com...)
1899 // Input: $url = URL for which the thumbnail must be found.
1900 // $href = if provided, this URL will be followed instead of $url
1901 // Returns '' if no thumbnail available.
1902 function thumbnail ( $url , $href = false )
1904 $t = computeThumbnail ( $url , $href );
1905 if ( count ( $t )== 0 ) return '' ; // Empty array = no thumbnail for this URL.
1907 $html = '<a href="' . escape ( $t [ 'href' ]). '"><img src="' . escape ( $t [ 'src' ]). '"' ;
1908 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
1909 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
1910 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
1911 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
1916 // Returns the HTML code to display a thumbnail for a link
1917 // for the picture wall (using lazy image loading)
1918 // Understands various services (youtube.com...)
1919 // Input: $url = URL for which the thumbnail must be found.
1920 // $href = if provided, this URL will be followed instead of $url
1921 // Returns '' if no thumbnail available.
1922 function lazyThumbnail ( $url , $href = false )
1924 $t = computeThumbnail ( $url , $href );
1925 if ( count ( $t )== 0 ) return '' ; // Empty array = no thumbnail for this URL.
1927 $html = '<a href="' . escape ( $t [ 'href' ]). '">' ;
1930 $html .= '<img class="b-lazy" src="#" data-src="' . escape ( $t [ 'src' ]). '"' ;
1932 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
1933 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
1934 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
1935 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
1938 // No-JavaScript fallback.
1939 $html .= '<noscript><img src="' . escape ( $t [ 'src' ]). '"' ;
1940 if (! empty ( $t [ 'width' ])) $html .= ' width="' . escape ( $t [ 'width' ]). '"' ;
1941 if (! empty ( $t [ 'height' ])) $html .= ' height="' . escape ( $t [ 'height' ]). '"' ;
1942 if (! empty ( $t [ 'style' ])) $html .= ' style="' . escape ( $t [ 'style' ]). '"' ;
1943 if (! empty ( $t [ 'alt' ])) $html .= ' alt="' . escape ( $t [ 'alt' ]). '"' ;
1944 $html .= '></noscript></a>' ;
1950 // -----------------------------------------------------------------------------------------------
1952 // This function should NEVER be called if the file data/config.php exists.
1955 // On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
1956 if ( endsWith ( $_SERVER [ 'HTTP_HOST' ], '.free.fr' ) && ! is_dir ( $_SERVER [ 'DOCUMENT_ROOT' ]. '/sessions' )) mkdir ( $_SERVER [ 'DOCUMENT_ROOT' ]. '/sessions' , 0705 );
1959 // This part makes sure sessions works correctly.
1960 // (Because on some hosts, session.save_path may not be set correctly,
1961 // or we may not have write access to it.)
1962 if ( isset ( $_GET [ 'test_session' ]) && ( ! isset ( $_SESSION ) || ! isset ( $_SESSION [ 'session_tested' ]) || $_SESSION [ 'session_tested' ]!= 'Working' ))
1963 { // Step 2: Check if data in session is correct.
1964 echo '<pre>Sessions do not seem to work correctly on your server.<br>' ;
1965 echo 'Make sure the variable session.save_path is set correctly in your php config, and that you have write access to it.<br>' ;
1966 echo 'It currently points to ' . session_save_path (). '<br>' ;
1967 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>' ;
1968 echo '<br><a href="?">Click to try again.</a></pre>' ;
1971 if (! isset ( $_SESSION [ 'session_tested' ]))
1972 { // Step 1 : Try to store data in session and reload page.
1973 $_SESSION [ 'session_tested' ] = 'Working' ; // Try to set a variable in session.
1974 header ( 'Location: ' . index_url ( $_SERVER ). '?test_session' ); // Redirect to check stored data.
1976 if ( isset ( $_GET [ 'test_session' ]))
1977 { // Step 3: Sessions are OK. Remove test parameter from URL.
1978 header ( 'Location: ' . index_url ( $_SERVER ));
1982 if (! empty ( $_POST [ 'setlogin' ]) && ! empty ( $_POST [ 'setpassword' ]))
1985 if (! empty ( $_POST [ 'continent' ]) && ! empty ( $_POST [ 'city' ])) {
1986 if ( isTimeZoneValid ( $_POST [ 'continent' ], $_POST [ 'city' ])) {
1987 $tz = $_POST [ 'continent' ]. '/' . $_POST [ 'city' ];
1990 $GLOBALS [ 'timezone' ] = $tz ;
1991 // Everything is ok, let's create config file.
1992 $GLOBALS [ 'login' ] = $_POST [ 'setlogin' ];
1993 $GLOBALS [ 'salt' ] = sha1 ( uniqid ( '' , true ). '_' . mt_rand ()); // Salt renders rainbow-tables attacks useless.
1994 $GLOBALS [ 'hash' ] = sha1 ( $_POST [ 'setpassword' ]. $GLOBALS [ 'login' ]. $GLOBALS [ 'salt' ]);
1995 $GLOBALS [ 'title' ] = ( empty ( $_POST [ 'title' ]) ? 'Shared links on ' . escape ( index_url ( $_SERVER )) : $_POST [ 'title' ] );
1996 $GLOBALS [ 'config' ][ 'ENABLE_UPDATECHECK' ] = ! empty ( $_POST [ 'updateCheck' ]);
1998 writeConfig ( $GLOBALS , isLoggedIn ());
2000 catch ( Exception
$e ) {
2002 'ERROR while writing config file after installation.' . PHP_EOL
.
2006 // TODO: do not handle exceptions/errors in JS.
2007 echo '<script>alert("' . $e- > getMessage () . '");document.location= \' ? \' ;</script>' ;
2010 echo '<script>alert("Shaarli is now configured. Please enter your login/password and start shaaring your links!");document.location= \' ?do=login \' ;</script>' ;
2014 // Display config form:
2015 list ( $timezone_form , $timezone_js ) = generateTimeZoneForm ();
2016 $timezone_html = '' ;
2017 if ( $timezone_form != '' ) {
2018 $timezone_html = '<tr><td><b>Timezone:</b></td><td>' . $timezone_form . '</td></tr>' ;
2021 $PAGE = new pageBuilder
;
2022 $PAGE- > assign ( 'timezone_html' , $timezone_html );
2023 $PAGE- > assign ( 'timezone_js' , $timezone_js );
2024 $PAGE- > renderPage ( 'install' );
2028 if (! function_exists ( 'json_encode' )) {
2029 function json_encode ( $data ) {
2030 switch ( $type = gettype ( $data )) {
2034 return ( $data ? 'true' : 'false' );
2040 return '"' . addslashes ( $data ) . '"' ;
2042 $data = get_object_vars ( $data );
2044 $output_index_count = 0 ;
2045 $output_indexed = array ();
2046 $output_associative = array ();
2047 foreach ( $data as $key => $value ) {
2048 $output_indexed [] = json_encode ( $value );
2049 $output_associative [] = json_encode ( $key ) . ':' . json_encode ( $value );
2050 if ( $output_index_count !== NULL && $output_index_count ++
!== $key ) {
2051 $output_index_count = NULL ;
2054 if ( $output_index_count !== NULL ) {
2055 return '[' . implode ( ',' , $output_indexed ) . ']' ;
2057 return ' {' . implode(',', $output_associative) . '} ' ;
2060 return '' ; // Not supported
2067 /* Because some f*cking services like flickr require an extra HTTP request to get the thumbnail URL,
2068 I have deported the thumbnail URL code generation here, otherwise this would slow down page generation.
2069 The following function takes the URL a link (e.g. a flickr page) and return the proper thumbnail.
2070 This function is called by passing the URL:
2071 http://mywebsite.com/shaarli/?do=genthumbnail&hmac=[HMAC]&url=[URL]
2072 [URL] is the URL of the link (e.g. a flickr page)
2073 [HMAC] is the signature for the [URL] (so that these URL cannot be forged).
2074 The function below will fetch the image from the webservice and store it in the cache.
2076 function genThumbnail ()
2078 // Make sure the parameters in the URL were generated by us.
2079 $sign = hash_hmac ( 'sha256' , $_GET [ 'url' ], $GLOBALS [ 'salt' ]);
2080 if ( $sign != $_GET [ 'hmac' ]) die ( 'Naughty boy!' );
2082 // Let's see if we don't already have the image for this URL in the cache.
2083 $thumbname = hash ( 'sha1' , $_GET [ 'url' ]). '.jpg' ;
2084 if ( is_file ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname ))
2085 { // We have the thumbnail, just serve it:
2086 header ( 'Content-Type: image/jpeg' );
2087 echo file_get_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname );
2090 // We may also serve a blank image (if service did not respond)
2091 $blankname = hash ( 'sha1' , $_GET [ 'url' ]). '.gif' ;
2092 if ( is_file ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $blankname ))
2094 header ( 'Content-Type: image/gif' );
2095 echo file_get_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $blankname );
2099 // Otherwise, generate the thumbnail.
2100 $url = $_GET [ 'url' ];
2101 $domain = parse_url ( $url , PHP_URL_HOST
);
2103 if ( $domain == 'flickr.com' || endsWith ( $domain , '.flickr.com' ))
2105 // Crude replacement to handle new flickr domain policy (They prefer www. now)
2106 $url = str_replace ( 'http://flickr.com/' , 'http://www.flickr.com/' , $url );
2108 // Is this a link to an image, or to a flickr page ?
2110 if ( endswith ( parse_url ( $url , PHP_URL_PATH
), '.jpg' ))
2111 { // This is a direct link to an image. e.g. http://farm1.staticflickr.com/5/5921913_ac83ed27bd_o.jpg
2112 preg_match ( '!(http://farm\d+\.staticflickr\.com/\d+/\d+_\w+_)\w.jpg!' , $url , $matches );
2113 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ]. 'm.jpg' ;
2115 else // This is a flickr page (html)
2117 // Get the flickr html page.
2118 list ( $headers , $data ) = get_http_url ( $url , 20 );
2119 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false )
2121 // flickr now nicely provides the URL of the thumbnail in each flickr page.
2122 preg_match ( '!<link rel= \" image_src \" href= \" (.+?) \" !' , $data , $matches );
2123 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ];
2125 // In albums (and some other pages), the link rel="image_src" is not provided,
2126 // but flickr provides:
2127 // <meta property="og:image" content="http://farm4.staticflickr.com/3398/3239339068_25d13535ff_z.jpg" />
2130 preg_match ( '!<meta property= \" og:image \" content= \" (.+?) \" !' , $data , $matches );
2131 if (! empty ( $matches [ 1 ])) $imageurl = $matches [ 1 ];
2137 { // Let's download the image.
2138 // Image is 240x120, so 10 seconds to download should be enough.
2139 list ( $headers , $data ) = get_http_url ( $imageurl , 10 );
2140 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2141 file_put_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname , $data ); // Save image to cache.
2142 header ( 'Content-Type: image/jpeg' );
2149 elseif ( $domain == 'vimeo.com' )
2151 // This is more complex: we have to perform a HTTP request, then parse the result.
2152 // Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098
2153 $vid = substr ( parse_url ( $url , PHP_URL_PATH
), 1 );
2154 list ( $headers , $data ) = get_http_url ( 'https://vimeo.com/api/v2/video/' . escape ( $vid ). '.php' , 5 );
2155 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2156 $t = unserialize ( $data );
2157 $imageurl = $t [ 0 ][ 'thumbnail_medium' ];
2158 // Then we download the image and serve it to our client.
2159 list ( $headers , $data ) = get_http_url ( $imageurl , 10 );
2160 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2161 file_put_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname , $data ); // Save image to cache.
2162 header ( 'Content-Type: image/jpeg' );
2169 elseif ( $domain == 'ted.com' || endsWith ( $domain , '.ted.com' ))
2171 // The thumbnail for TED talks is located in the <link rel="image_src" [...]> tag on that page
2172 // http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html
2173 // <link rel="image_src" href="http://images.ted.com/images/ted/28bced335898ba54d4441809c5b1112ffaf36781_389x292.jpg" />
2174 list ( $headers , $data ) = get_http_url ( $url , 5 );
2175 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2176 // Extract the link to the thumbnail
2177 preg_match ( '!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!' , $data , $matches );
2178 if (! empty ( $matches [ 1 ]))
2179 { // Let's download the image.
2180 $imageurl = $matches [ 1 ];
2181 // No control on image size, so wait long enough
2182 list ( $headers , $data ) = get_http_url ( $imageurl , 20 );
2183 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2184 $filepath = $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname ;
2185 file_put_contents ( $filepath , $data ); // Save image to cache.
2186 if ( resizeImage ( $filepath ))
2188 header ( 'Content-Type: image/jpeg' );
2189 echo file_get_contents ( $filepath );
2197 elseif ( $domain == 'xkcd.com' || endsWith ( $domain , '.xkcd.com' ))
2199 // There is no thumbnail available for xkcd comics, so download the whole image and resize it.
2200 // http://xkcd.com/327/
2201 // <img src="http://imgs.xkcd.com/comics/exploits_of_a_mom.png" title="<BLABLA>" alt="<BLABLA>" />
2202 list ( $headers , $data ) = get_http_url ( $url , 5 );
2203 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2204 // Extract the link to the thumbnail
2205 preg_match ( '!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!' , $data , $matches );
2206 if (! empty ( $matches [ 1 ]))
2207 { // Let's download the image.
2208 $imageurl = $matches [ 1 ];
2209 // No control on image size, so wait long enough
2210 list ( $headers , $data ) = get_http_url ( $imageurl , 20 );
2211 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2212 $filepath = $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname ;
2213 file_put_contents ( $filepath , $data ); // Save image to cache.
2214 if ( resizeImage ( $filepath ))
2216 header ( 'Content-Type: image/jpeg' );
2217 echo file_get_contents ( $filepath );
2227 // For all other domains, we try to download the image and make a thumbnail.
2228 // We allow 30 seconds max to download (and downloads are limited to 4 Mb)
2229 list ( $headers , $data ) = get_http_url ( $url , 30 );
2230 if ( strpos ( $headers [ 0 ], '200 OK' ) !== false ) {
2231 $filepath = $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $thumbname ;
2232 file_put_contents ( $filepath , $data ); // Save image to cache.
2233 if ( resizeImage ( $filepath ))
2235 header ( 'Content-Type: image/jpeg' );
2236 echo file_get_contents ( $filepath );
2243 // Otherwise, return an empty image (8x8 transparent gif)
2244 $blankgif = base64_decode ( 'R0lGODlhCAAIAIAAAP///////yH5BAEKAAEALAAAAAAIAAgAAAIHjI+py+1dAAA7' );
2245 file_put_contents ( $GLOBALS [ 'config' ][ 'CACHEDIR' ]. '/' . $blankname , $blankgif ); // Also put something in cache so that this URL is not requested twice.
2246 header ( 'Content-Type: image/gif' );
2250 // Make a thumbnail of the image (to width: 120 pixels)
2251 // Returns true if success, false otherwise.
2252 function resizeImage ( $filepath )
2254 if (! function_exists ( 'imagecreatefromjpeg' )) return false ; // GD not present: no thumbnail possible.
2256 // Trick: some stupid people rename GIF as JPEG... or else.
2257 // So we really try to open each image type whatever the extension is.
2258 $header = file_get_contents ( $filepath , false , NULL , 0 , 256 ); // Read first 256 bytes and try to sniff file type.
2260 $i = strpos ( $header , 'GIF8' ); if (( $i !== false ) && ( $i == 0 )) $im = imagecreatefromgif ( $filepath ); // Well this is crude, but it should be enough.
2261 $i = strpos ( $header , 'PNG' ); if (( $i !== false ) && ( $i == 1 )) $im = imagecreatefrompng ( $filepath );
2262 $i = strpos ( $header , 'JFIF' ); if ( $i !== false ) $im = imagecreatefromjpeg ( $filepath );
2263 if (! $im ) return false ; // Unable to open image (corrupted or not an image)
2266 $ystart = 0 ; $yheight = $h ;
2267 if ( $h > $w ) { $ystart
= ( $h
/ 2 )-( $w
/ 2 ); $yheight
= $w
/ 2 ; }
2268 $nw = 120 ; // Desired width
2269 $nh = min ( floor (( $h * $nw )/ $w ), 120 ); // Compute new width/height, but maximum 120 pixels height.
2271 $im2 = imagecreatetruecolor ( $nw , $nh );
2272 imagecopyresampled ( $im2 , $im , 0 , 0 , 0 , $ystart , $nw , $nh , $w , $yheight );
2273 imageinterlace ( $im2 , true ); // For progressive JPEG.
2274 $tempname = $filepath . '_TEMP.jpg' ;
2275 imagejpeg ( $im2 , $tempname , 90 );
2279 rename ( $tempname , $filepath ); // Overwrite original picture with thumbnail.
2284 mergeDeprecatedConfig ( $GLOBALS , isLoggedIn ());
2285 } catch ( Exception
$e ) {
2287 'ERROR while merging deprecated options.php file.' . PHP_EOL
.
2292 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=genthumbnail' )) { genThumbnail (); exit ; } // Thumbnail generation/cache does not need the link database.
2293 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=rss' )) { showRSS (); exit ; }
2294 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=atom' )) { showATOM (); exit ; }
2295 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=dailyrss' )) { showDailyRSS (); exit ; }
2296 if ( isset ( $_SERVER [ "QUERY_STRING" ]) && startswith ( $_SERVER [ "QUERY_STRING" ], 'do=daily' )) { showDaily (); exit ; }
2297 if (! isset ( $_SESSION [ 'LINKS_PER_PAGE' ])) $_SESSION [ 'LINKS_PER_PAGE' ]= $GLOBALS [ 'config' ][ 'LINKS_PER_PAGE' ];