/shaarli/ define('WEB_PATH', substr($_SERVER["REQUEST_URI"], 0, 1+strrpos($_SERVER["REQUEST_URI"], '/', 0))); // High execution time in case of problematic imports/exports. ini_set('max_input_time','60'); // Try to set max upload file size and read ini_set('memory_limit', '128M'); ini_set('post_max_size', '16M'); ini_set('upload_max_filesize', '16M'); // See all error except warnings error_reporting(E_ALL^E_WARNING); // See all errors (for debugging only) //error_reporting(-1); /* * User configuration */ if (is_file($GLOBALS['config']['CONFIG_FILE'])) { require_once $GLOBALS['config']['CONFIG_FILE']; } // Shaarli library require_once 'application/ApplicationUtils.php'; require_once 'application/Cache.php'; require_once 'application/CachedPage.php'; require_once 'application/FileUtils.php'; require_once 'application/HttpUtils.php'; require_once 'application/LinkDB.php'; require_once 'application/LinkFilter.php'; require_once 'application/LinkUtils.php'; require_once 'application/TimeZone.php'; require_once 'application/Url.php'; require_once 'application/Utils.php'; require_once 'application/Config.php'; require_once 'application/PluginManager.php'; require_once 'application/Router.php'; require_once 'application/Updater.php'; // Ensure the PHP version is supported try { ApplicationUtils::checkPHPVersion('5.3', PHP_VERSION); } catch(Exception $exc) { header('Content-Type: text/plain; charset=utf-8'); echo $exc->getMessage(); exit; } // Force cookie path (but do not change lifetime) $cookie = session_get_cookie_params(); $cookiedir = ''; if (dirname($_SERVER['SCRIPT_NAME']) != '/') { $cookiedir = dirname($_SERVER["SCRIPT_NAME"]).'/'; } // Set default cookie expiration and path. session_set_cookie_params($cookie['lifetime'], $cookiedir, $_SERVER['SERVER_NAME']); // Set session parameters on server side. // If the user does not access any page within this time, his/her session is considered expired. define('INACTIVITY_TIMEOUT', 3600); // in seconds. // Use cookies to store session. ini_set('session.use_cookies', 1); // Force cookies for session (phpsessionID forbidden in URL). ini_set('session.use_only_cookies', 1); // Prevent PHP form using sessionID in URL if cookies are disabled. ini_set('session.use_trans_sid', false); session_name('shaarli'); // Start session if needed (Some server auto-start sessions). if (session_id() == '') { session_start(); } // Regenerate session ID if invalid or not defined in cookie. if (isset($_COOKIE['shaarli']) && !is_session_id_valid($_COOKIE['shaarli'])) { session_regenerate_id(true); $_COOKIE['shaarli'] = session_id(); } include "inc/rain.tpl.class.php"; //include Rain TPL raintpl::$tpl_dir = $GLOBALS['config']['RAINTPL_TPL']; // template directory raintpl::$cache_dir = $GLOBALS['config']['RAINTPL_TMP']; // cache directory $pluginManager = PluginManager::getInstance(); $pluginManager->load($GLOBALS['config']['ENABLED_PLUGINS']); ob_start(); // Output buffering for the page cache. // In case stupid admin has left magic_quotes enabled in php.ini: if (get_magic_quotes_gpc()) { function stripslashes_deep($value) { $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value); return $value; } $_POST = array_map('stripslashes_deep', $_POST); $_GET = array_map('stripslashes_deep', $_GET); $_COOKIE = array_map('stripslashes_deep', $_COOKIE); } // Prevent caching on client side or proxy: (yes, it's ugly) header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); header("Cache-Control: no-store, no-cache, must-revalidate"); header("Cache-Control: post-check=0, pre-check=0", false); header("Pragma: no-cache"); // Handling of old config file which do not have the new parameters. if (empty($GLOBALS['title'])) $GLOBALS['title']='Shared links on '.escape(index_url($_SERVER)); if (empty($GLOBALS['timezone'])) $GLOBALS['timezone']=date_default_timezone_get(); if (empty($GLOBALS['redirector'])) $GLOBALS['redirector']=''; if (empty($GLOBALS['disablesessionprotection'])) $GLOBALS['disablesessionprotection']=false; if (empty($GLOBALS['privateLinkByDefault'])) $GLOBALS['privateLinkByDefault']=false; if (empty($GLOBALS['titleLink'])) $GLOBALS['titleLink']='?'; // I really need to rewrite Shaarli with a proper configuation manager. if (! is_file($GLOBALS['config']['CONFIG_FILE'])) { // Ensure Shaarli has proper access to its resources $errors = ApplicationUtils::checkResourcePermissions($GLOBALS['config']); if ($errors != array()) { $message = '

Insufficient permissions:

'; header('Content-Type: text/html; charset=utf-8'); echo $message; exit; } // Display the installation form if no existing config is found install(); } $GLOBALS['title'] = !empty($GLOBALS['title']) ? escape($GLOBALS['title']) : ''; $GLOBALS['titleLink'] = !empty($GLOBALS['titleLink']) ? escape($GLOBALS['titleLink']) : ''; $GLOBALS['redirector'] = !empty($GLOBALS['redirector']) ? escape($GLOBALS['redirector']) : ''; // a token depending of deployment salt, user password, and the current ip define('STAY_SIGNED_IN_TOKEN', sha1($GLOBALS['hash'].$_SERVER["REMOTE_ADDR"].$GLOBALS['salt'])); // Sniff browser language and set date format accordingly. if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) { autoLocale($_SERVER['HTTP_ACCEPT_LANGUAGE']); } header('Content-Type: text/html; charset=utf-8'); // We use UTF-8 for proper international characters handling. //================================================================================================== // Checking session state (i.e. is the user still logged in) //================================================================================================== function setup_login_state() { if ($GLOBALS['config']['OPEN_SHAARLI']) { return true; } $userIsLoggedIn = false; // By default, we do not consider the user as logged in; $loginFailure = false; // If set to true, every attempt to authenticate the user will fail. This indicates that an important condition isn't met. if (!isset($GLOBALS['login'])) { $userIsLoggedIn = false; // Shaarli is not configured yet. $loginFailure = true; } if (isset($_COOKIE['shaarli_staySignedIn']) && $_COOKIE['shaarli_staySignedIn']===STAY_SIGNED_IN_TOKEN && !$loginFailure) { fillSessionInfo(); $userIsLoggedIn = true; } // If session does not exist on server side, or IP address has changed, or session has expired, logout. if (empty($_SESSION['uid']) || ($GLOBALS['disablesessionprotection']==false && $_SESSION['ip']!=allIPs()) || time() >= $_SESSION['expires_on']) { logout(); $userIsLoggedIn = false; $loginFailure = true; } if (!empty($_SESSION['longlastingsession'])) { $_SESSION['expires_on']=time()+$_SESSION['longlastingsession']; // In case of "Stay signed in" checked. } else { $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Standard session expiration date. } if (!$loginFailure) { $userIsLoggedIn = true; } return $userIsLoggedIn; } $userIsLoggedIn = setup_login_state(); // ------------------------------------------------------------------------------------------ // PubSubHubbub protocol support (if enabled) [UNTESTED] // (Source: http://aldarone.fr/les-flux-rss-shaarli-et-pubsubhubbub/ ) if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) include './publisher.php'; function pubsubhub() { if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) { $p = new Publisher($GLOBALS['config']['PUBSUBHUB_URL']); $topic_url = array ( index_url($_SERVER).'?do=atom', index_url($_SERVER).'?do=rss' ); $p->publish_update($topic_url); } } // ------------------------------------------------------------------------------------------ // Session management // Returns the IP address of the client (Used to prevent session cookie hijacking.) function allIPs() { $ip = $_SERVER["REMOTE_ADDR"]; // Then we use more HTTP headers to prevent session hijacking from users behind the same proxy. if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $ip=$ip.'_'.$_SERVER['HTTP_X_FORWARDED_FOR']; } if (isset($_SERVER['HTTP_CLIENT_IP'])) { $ip=$ip.'_'.$_SERVER['HTTP_CLIENT_IP']; } return $ip; } function fillSessionInfo() { $_SESSION['uid'] = sha1(uniqid('',true).'_'.mt_rand()); // Generate unique random number (different than phpsessionid) $_SESSION['ip']=allIPs(); // We store IP address(es) of the client to make sure session is not hijacked. $_SESSION['username']=$GLOBALS['login']; $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Set session expiration. } // Check that user/password is correct. function check_auth($login,$password) { $hash = sha1($password.$login.$GLOBALS['salt']); if ($login==$GLOBALS['login'] && $hash==$GLOBALS['hash']) { // Login/password is correct. fillSessionInfo(); logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'Login successful'); return True; } logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'Login failed for user '.$login); return False; } // Returns true if the user is logged in. function isLoggedIn() { global $userIsLoggedIn; return $userIsLoggedIn; } // Force logout. function logout() { if (isset($_SESSION)) { unset($_SESSION['uid']); unset($_SESSION['ip']); unset($_SESSION['username']); unset($_SESSION['privateonly']); } setcookie('shaarli_staySignedIn', FALSE, 0, WEB_PATH); } // ------------------------------------------------------------------------------------------ // Brute force protection system // Several consecutive failed logins will ban the IP address for 30 minutes. if (!is_file($GLOBALS['config']['IPBANS_FILENAME'])) file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "array(),'BANS'=>array()),true).";\n?>"); include $GLOBALS['config']['IPBANS_FILENAME']; // Signal a failed login. Will ban the IP if too many failures: function ban_loginFailed() { $ip=$_SERVER["REMOTE_ADDR"]; $gb=$GLOBALS['IPBANS']; if (!isset($gb['FAILURES'][$ip])) $gb['FAILURES'][$ip]=0; $gb['FAILURES'][$ip]++; if ($gb['FAILURES'][$ip]>($GLOBALS['config']['BAN_AFTER']-1)) { $gb['BANS'][$ip]=time()+$GLOBALS['config']['BAN_DURATION']; logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'IP address banned from login'); } $GLOBALS['IPBANS'] = $gb; file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], ""); } // Signals a successful login. Resets failed login counter. function ban_loginOk() { $ip=$_SERVER["REMOTE_ADDR"]; $gb=$GLOBALS['IPBANS']; unset($gb['FAILURES'][$ip]); unset($gb['BANS'][$ip]); $GLOBALS['IPBANS'] = $gb; file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], ""); } // Checks if the user CAN login. If 'true', the user can try to login. function ban_canLogin() { $ip=$_SERVER["REMOTE_ADDR"]; $gb=$GLOBALS['IPBANS']; if (isset($gb['BANS'][$ip])) { // User is banned. Check if the ban has expired: if ($gb['BANS'][$ip]<=time()) { // Ban expired, user can try to login again. logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'Ban lifted.'); unset($gb['FAILURES'][$ip]); unset($gb['BANS'][$ip]); file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], ""); return true; // Ban has expired, user can login. } return false; // User is banned. } return true; // User is not banned. } // ------------------------------------------------------------------------------------------ // Process login form: Check if login/password is correct. if (isset($_POST['login'])) { if (!ban_canLogin()) die('I said: NO. You are banned for the moment. Go away.'); if (isset($_POST['password']) && tokenOk($_POST['token']) && (check_auth($_POST['login'], $_POST['password']))) { // Login/password is OK. ban_loginOk(); // If user wants to keep the session cookie even after the browser closes: if (!empty($_POST['longlastingsession'])) { setcookie('shaarli_staySignedIn', STAY_SIGNED_IN_TOKEN, time()+31536000, WEB_PATH); $_SESSION['longlastingsession']=31536000; // (31536000 seconds = 1 year) $_SESSION['expires_on']=time()+$_SESSION['longlastingsession']; // Set session expiration on server-side. $cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/'; session_set_cookie_params($_SESSION['longlastingsession'],$cookiedir,$_SERVER['SERVER_NAME']); // Set session cookie expiration on client side // Note: Never forget the trailing slash on the cookie path! session_regenerate_id(true); // Send cookie with new expiration date to browser. } else // Standard session expiration (=when browser closes) { $cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/'; session_set_cookie_params(0,$cookiedir,$_SERVER['SERVER_NAME']); // 0 means "When browser closes" session_regenerate_id(true); } // Optional redirect after login: if (isset($_GET['post'])) { $uri = '?post='. urlencode($_GET['post']); foreach (array('description', 'source', 'title') as $param) { if (!empty($_GET[$param])) { $uri .= '&'.$param.'='.urlencode($_GET[$param]); } } header('Location: '. $uri); exit; } if (isset($_GET['edit_link'])) { header('Location: ?edit_link='. escape($_GET['edit_link'])); exit; } if (isset($_POST['returnurl'])) { // Prevent loops over login screen. if (strpos($_POST['returnurl'], 'do=login') === false) { header('Location: '. escape($_POST['returnurl'])); exit; } } header('Location: ?'); exit; } else { ban_loginFailed(); $redir = ''; if (isset($_GET['post'])) { $redir = '?post=' . urlencode($_GET['post']); foreach (array('description', 'source', 'title') as $param) { if (!empty($_GET[$param])) { $redir .= '&' . $param . '=' . urlencode($_GET[$param]); } } } echo ''; // Redirect to login screen. exit; } } // ------------------------------------------------------------------------------------------ // Misc utility functions: // Convert post_max_size/upload_max_filesize (e.g. '16M') parameters to bytes. function return_bytes($val) { $val = trim($val); $last=strtolower($val[strlen($val)-1]); switch($last) { case 'g': $val *= 1024; case 'm': $val *= 1024; case 'k': $val *= 1024; } return $val; } // Try to determine max file size for uploads (POST). // Returns an integer (in bytes) function getMaxFileSize() { $size1 = return_bytes(ini_get('post_max_size')); $size2 = return_bytes(ini_get('upload_max_filesize')); // Return the smaller of two: $maxsize = min($size1,$size2); // FIXME: Then convert back to readable notations ? (e.g. 2M instead of 2000000) return $maxsize; } // ------------------------------------------------------------------------------------------ // Token management for XSRF protection // Token should be used in any form which acts on data (create,update,delete,import...). if (!isset($_SESSION['tokens'])) $_SESSION['tokens']=array(); // Token are attached to the session. // Returns a token. function getToken() { $rnd = sha1(uniqid('',true).'_'.mt_rand().$GLOBALS['salt']); // We generate a random string. $_SESSION['tokens'][$rnd]=1; // Store it on the server side. return $rnd; } // Tells if a token is OK. Using this function will destroy the token. // true=token is OK. function tokenOk($token) { if (isset($_SESSION['tokens'][$token])) { unset($_SESSION['tokens'][$token]); // Token is used: destroy it. return true; // Token is OK. } return false; // Wrong token, or already used. } // ------------------------------------------------------------------------------------------ /* This class is in charge of building the final page. (This is basically a wrapper around RainTPL which pre-fills some fields.) p = new pageBuilder; p.assign('myfield','myvalue'); p.renderPage('mytemplate'); */ class pageBuilder { private $tpl; // RainTPL template function __construct() { $this->tpl = false; } /** * Initialize all default tpl tags. */ private function initialize() { $this->tpl = new RainTPL; try { $version = ApplicationUtils::checkUpdate( shaarli_version, $GLOBALS['config']['UPDATECHECK_FILENAME'], $GLOBALS['config']['UPDATECHECK_INTERVAL'], $GLOBALS['config']['ENABLE_UPDATECHECK'], isLoggedIn(), $GLOBALS['config']['UPDATECHECK_BRANCH'] ); $this->tpl->assign('newVersion', escape($version)); $this->tpl->assign('versionError', ''); } catch (Exception $exc) { logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], $exc->getMessage()); $this->tpl->assign('newVersion', ''); $this->tpl->assign('versionError', escape($exc->getMessage())); } $this->tpl->assign('feedurl', escape(index_url($_SERVER))); $searchcrits = ''; // Search criteria if (!empty($_GET['searchtags'])) { $searchcrits .= '&searchtags=' . urlencode($_GET['searchtags']); } if (!empty($_GET['searchterm'])) { $searchcrits .= '&searchterm=' . urlencode($_GET['searchterm']); } $this->tpl->assign('searchcrits', $searchcrits); $this->tpl->assign('source', index_url($_SERVER)); $this->tpl->assign('version', shaarli_version); $this->tpl->assign('scripturl', index_url($_SERVER)); $this->tpl->assign('pagetitle', 'Shaarli'); $this->tpl->assign('privateonly', !empty($_SESSION['privateonly'])); // Show only private links? if (!empty($GLOBALS['title'])) { $this->tpl->assign('pagetitle', $GLOBALS['title']); } if (!empty($GLOBALS['titleLink'])) { $this->tpl->assign('titleLink', $GLOBALS['titleLink']); } if (!empty($GLOBALS['pagetitle'])) { $this->tpl->assign('pagetitle', $GLOBALS['pagetitle']); } $this->tpl->assign('shaarlititle', empty($GLOBALS['title']) ? 'Shaarli': $GLOBALS['title']); if (!empty($GLOBALS['plugin_errors'])) { $this->tpl->assign('plugin_errors', $GLOBALS['plugin_errors']); } } // The following assign() method is basically the same as RainTPL (except that it's lazy) public function assign($what,$where) { if ($this->tpl===false) $this->initialize(); // Lazy initialization $this->tpl->assign($what,$where); } /** * Assign an array of data to the template builder. * * @param array $data Data to assign. * * @return false if invalid data. */ public function assignAll($data) { // Lazy initialization if ($this->tpl === false) { $this->initialize(); } if (empty($data) || !is_array($data)){ return false; } foreach ($data as $key => $value) { $this->assign($key, $value); } } // Render a specific page (using a template). // e.g. pb.renderPage('picwall') public function renderPage($page) { if ($this->tpl===false) $this->initialize(); // Lazy initialization $this->tpl->draw($page); } /** * Render a 404 page (uses the template : tpl/404.tpl) * * usage : $PAGE->render404('The link was deleted') * @param string $message A messate to display what is not found */ public function render404($message='The page you are trying to reach does not exist or has been deleted.') { header($_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found'); $this->tpl->assign('error_message', $message); $this->renderPage('404'); } } // ------------------------------------------------------------------------------------------ // Output the last N links in RSS 2.0 format. function showRSS() { header('Content-Type: application/rss+xml; charset=utf-8'); // $usepermalink : If true, use permalink instead of final link. // User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=rss&permalinks // Also enabled through a config option $usepermalinks = isset($_GET['permalinks']) || !$GLOBALS['config']['ENABLE_RSS_PERMALINKS']; // Cache system $query = $_SERVER["QUERY_STRING"]; $cache = new CachedPage( $GLOBALS['config']['PAGECACHE'], page_url($_SERVER), startsWith($query,'do=rss') && !isLoggedIn() ); $cached = $cache->cachedVersion(); if (! empty($cached)) { echo $cached; exit; } // If cached was not found (or not usable), then read the database and build the response: $LINKSDB = new LinkDB( $GLOBALS['config']['DATASTORE'], isLoggedIn(), $GLOBALS['config']['HIDE_PUBLIC_LINKS'], $GLOBALS['redirector'] ); // Read links from database (and filter private links if user it not logged in). // Optionally filter the results: $searchtags = !empty($_GET['searchtags']) ? escape($_GET['searchtags']) : ''; $searchterm = !empty($_GET['searchterm']) ? escape($_GET['searchterm']) : ''; if (! empty($searchtags) && ! empty($searchterm)) { $linksToDisplay = $LINKSDB->filter( LinkFilter::$FILTER_TAG | LinkFilter::$FILTER_TEXT, array($searchtags, $searchterm) ); } elseif ($searchtags) { $linksToDisplay = $LINKSDB->filter(LinkFilter::$FILTER_TAG, $searchtags); } elseif ($searchterm) { $linksToDisplay = $LINKSDB->filter(LinkFilter::$FILTER_TEXT, $searchterm); } else { $linksToDisplay = $LINKSDB; } $nblinksToDisplay = 50; // Number of links to display. // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links. if (!empty($_GET['nb'])) { $nblinksToDisplay = $_GET['nb'] == 'all' ? count($linksToDisplay) : max(intval($_GET['nb']), 1); } $pageaddr = escape(index_url($_SERVER)); echo ''; echo ''.$GLOBALS['title'].''.$pageaddr.''; echo 'Shared linksen-en'.$pageaddr.''."\n\n"; if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) { echo ''; echo ''; echo ''; echo ''; } $i=0; $keys=array(); foreach($linksToDisplay as $key=>$value) { $keys[]=$key; } // No, I can't use array_keys(). while ($i<$nblinksToDisplay && $i'.$link['title'].''.$guid.''.$guid.''; else echo ''.$link['title'].''.$guid.''.$absurl.''; if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) { echo ''.escape($date->format(DateTime::RSS))."\n"; } if ($link['tags']!='') // Adding tags to each RSS entry (as mentioned in RSS specification) { foreach(explode(' ',$link['tags']) as $tag) { echo ''.$tag.''."\n"; } } // Add permalink in description $descriptionlink = '(Permalink)'; // If user wants permalinks first, put the final link in description if ($usepermalinks===true) $descriptionlink = '(Link)'; if (strlen($link['description'])>0) $descriptionlink = '
'.$descriptionlink; echo '' . "\n
\n"; $i++; } echo '
'; $cache->cache(ob_get_contents()); ob_end_flush(); exit; } // ------------------------------------------------------------------------------------------ // Output the last N links in ATOM format. function showATOM($pageBuilder, $linkDB) { header('Content-Type: application/atom+xml; charset=utf-8'); // Cache system $query = $_SERVER["QUERY_STRING"]; $cache = new CachedPage( $GLOBALS['config']['PAGECACHE'], page_url($_SERVER), startsWith($query,'do=atom') && !isLoggedIn() ); $cached = $cache->cachedVersion(); if (!empty($cached)) { echo $cached; exit; } // $usepermalink : If true, use permalink instead of final link. // User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=atom&permalinks $usepermalinks = isset($_GET['permalinks']) || !$GLOBALS['config']['ENABLE_RSS_PERMALINKS']; // Optionally filter the results: $searchtags = !empty($_GET['searchtags']) ? escape($_GET['searchtags']) : ''; $searchterm = !empty($_GET['searchterm']) ? escape($_GET['searchterm']) : ''; if (! empty($searchtags) && ! empty($searchterm)) { $linksToDisplay = $linkDB->filter( LinkFilter::$FILTER_TAG | LinkFilter::$FILTER_TEXT, array($searchtags, $searchterm) ); } elseif ($searchtags) { $linksToDisplay = $linkDB->filter(LinkFilter::$FILTER_TAG, $searchtags); } elseif ($searchterm) { $linksToDisplay = $linkDB->filter(LinkFilter::$FILTER_TEXT, $searchterm); } else { $linksToDisplay = $linkDB; } $nblinksToDisplay = 50; // Number of links to display. // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links. if (!empty($_GET['nb'])) { $nblinksToDisplay = $_GET['nb'] == 'all' ? count($linksToDisplay) : max(intval($_GET['nb']), 1); } $keys = array(); foreach ($linksToDisplay as $key=>$value) { $keys[] = $key; // No, I can't use array_keys(). } $pageaddr = escape(index_url($_SERVER)); $latestDate = ''; $i = 0; $linkDisp = array(); while ($i < $nblinksToDisplay && $i < count($keys)) { $link = $linksToDisplay[$keys[$i]]; $link['guid'] = $pageaddr. '?' .smallHash($link['linkdate']); // Check for both signs of a note: starting with ? and 7 chars long. if ($link['url'][0] === '?' && strlen($link['url']) === 7) { $link['url'] = $pageaddr . $link['url']; } if ($usepermalinks) { $permalink = 'Direct link'; } else { $permalink = 'Permalink'; } $link['description'] = format_description($link['description']) . PHP_EOL .'
— '. $permalink; $date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']); $link['iso_date'] = $date->format(DateTime::ATOM); $latestDate = max($latestDate, $link['iso_date']); $taglist = array_filter(explode(' ', $link['tags']), 'strlen'); uasort($taglist, 'strcasecmp'); $link['taglist'] = $taglist; $linkDisp[$keys[$i]] = $link; $i++; } $data = array(); if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) { $data['pubsubhub_url'] = escape($GLOBALS['config']['PUBSUBHUB_URL']); } // Use the locale do define the language, if available. $locale = strtolower(setlocale(LC_COLLATE, 0)); if (! empty($locale) && preg_match('/^\w{2}[_\-]\w{2}/', $locale)) { $data['language'] = substr($locale, 0, 2); } else { $data['language'] = 'en'; } $data['last_update'] = escape($latestDate); $data['show_dates'] = !$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn(); $data['self_link'] = escape($pageaddr . $_SERVER['REQUEST_URI']); $data['index_url'] = escape($pageaddr); $data['usepermalinks'] = $usepermalinks; $data['links'] = $linkDisp; $pageBuilder->assignAll($data); $pageBuilder->renderPage('feed.atom', false); $cache->cache(ob_get_contents()); ob_end_flush(); exit; } // ------------------------------------------------------------------------------------------ // Daily RSS feed: 1 RSS entry per day giving all the links on that day. // Gives the last 7 days (which have links). // This RSS feed cannot be filtered. function showDailyRSS() { // Cache system $query = $_SERVER["QUERY_STRING"]; $cache = new CachedPage( $GLOBALS['config']['PAGECACHE'], page_url($_SERVER), startsWith($query,'do=dailyrss') && !isLoggedIn() ); $cached = $cache->cachedVersion(); if (!empty($cached)) { echo $cached; exit; } // If cached was not found (or not usable), then read the database and build the response: // Read links from database (and filter private links if used it not logged in). $LINKSDB = new LinkDB( $GLOBALS['config']['DATASTORE'], isLoggedIn(), $GLOBALS['config']['HIDE_PUBLIC_LINKS'], $GLOBALS['redirector'] ); /* Some Shaarlies may have very few links, so we need to look back in time (rsort()) until we have enough days ($nb_of_days). */ $linkdates = array(); foreach ($LINKSDB as $linkdate => $value) { $linkdates[] = $linkdate; } rsort($linkdates); $nb_of_days = 7; // We take 7 days. $today = Date('Ymd'); $days = array(); foreach ($linkdates as $linkdate) { $day = substr($linkdate, 0, 8); // Extract day (without time) if (strcmp($day,$today) < 0) { if (empty($days[$day])) { $days[$day] = array(); } $days[$day][] = $linkdate; } if (count($days) > $nb_of_days) { break; // Have we collected enough days? } } // Build the RSS feed. header('Content-Type: application/rss+xml; charset=utf-8'); $pageaddr = escape(index_url($_SERVER)); echo ''; echo ''; echo 'Daily - '. $GLOBALS['title'] . ''; echo ''. $pageaddr .''; echo 'Daily shared links'; echo 'en-en'; echo ''. $pageaddr .''. PHP_EOL; // For each day. foreach ($days as $day => $linkdates) { $dayDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $day.'_000000'); $absurl = escape(index_url($_SERVER).'?do=daily&day='.$day); // Absolute URL of the corresponding "Daily" page. // Build the HTML body of this RSS entry. $html = ''; $href = ''; $links = array(); // We pre-format some fields for proper output. foreach ($linkdates as $linkdate) { $l = $LINKSDB[$linkdate]; $l['formatedDescription'] = format_description($l['description'], $GLOBALS['redirector']); $l['thumbnail'] = thumbnail($l['url']); $l_date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $l['linkdate']); $l['timestamp'] = $l_date->getTimestamp(); if (startsWith($l['url'], '?')) { $l['url'] = index_url($_SERVER) . $l['url']; // make permalink URL absolute } $links[$linkdate] = $l; } // Then build the HTML for this day: $tpl = new RainTPL; $tpl->assign('title', $GLOBALS['title']); $tpl->assign('daydate', $dayDate->getTimestamp()); $tpl->assign('absurl', $absurl); $tpl->assign('links', $links); $tpl->assign('rssdate', escape($dayDate->format(DateTime::RSS))); $html = $tpl->draw('dailyrss', $return_string=true); echo $html . PHP_EOL; } echo ''; $cache->cache(ob_get_contents()); ob_end_flush(); exit; } /** * Show the 'Daily' page. * * @param PageBuilder $pageBuilder Template engine wrapper. */ function showDaily($pageBuilder) { $LINKSDB = new LinkDB( $GLOBALS['config']['DATASTORE'], isLoggedIn(), $GLOBALS['config']['HIDE_PUBLIC_LINKS'], $GLOBALS['redirector'] ); $day=Date('Ymd',strtotime('-1 day')); // Yesterday, in format YYYYMMDD. if (isset($_GET['day'])) $day=$_GET['day']; $days = $LINKSDB->days(); $i = array_search($day,$days); if ($i===false) { $i=count($days)-1; $day=$days[$i]; } $previousday=''; $nextday=''; if ($i!==false) { if ($i>=1) $previousday=$days[$i-1]; if ($ifilter(LinkFilter::$FILTER_DAY, $day); } catch (Exception $exc) { error_log($exc); $linksToDisplay = array(); } // We pre-format some fields for proper output. foreach($linksToDisplay as $key=>$link) { $taglist = explode(' ',$link['tags']); uasort($taglist, 'strcasecmp'); $linksToDisplay[$key]['taglist']=$taglist; $linksToDisplay[$key]['formatedDescription'] = format_description($link['description'], $GLOBALS['redirector']); $linksToDisplay[$key]['thumbnail'] = thumbnail($link['url']); $date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']); $linksToDisplay[$key]['timestamp'] = $date->getTimestamp(); } /* We need to spread the articles on 3 columns. I did not want to use a JavaScript lib like http://masonry.desandro.com/ so I manually spread entries with a simple method: I roughly evaluate the height of a div according to title and description length. */ $columns=array(array(),array(),array()); // Entries to display, for each column. $fill=array(0,0,0); // Rough estimate of columns fill. foreach($linksToDisplay as $key=>$link) { // Roughly estimate length of entry (by counting characters) // Title: 30 chars = 1 line. 1 line is 30 pixels height. // Description: 836 characters gives roughly 342 pixel height. // This is not perfect, but it's usually OK. $length=strlen($link['title'])+(342*strlen($link['description']))/836; if ($link['thumbnail']) $length +=100; // 1 thumbnails roughly takes 100 pixels height. // Then put in column which is the less filled: $smallest=min($fill); // find smallest value in array. $index=array_search($smallest,$fill); // find index of this smallest value. array_push($columns[$index],$link); // Put entry in this column. $fill[$index]+=$length; } $dayDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $day.'_000000'); $data = array( 'linksToDisplay' => $linksToDisplay, 'linkcount' => count($LINKSDB), 'cols' => $columns, 'day' => $dayDate->getTimestamp(), 'previousday' => $previousday, 'nextday' => $nextday, ); $pluginManager = PluginManager::getInstance(); $pluginManager->executeHooks('render_daily', $data, array('loggedin' => isLoggedIn())); foreach ($data as $key => $value) { $pageBuilder->assign($key, $value); } $pageBuilder->renderPage('daily'); exit; } // Renders the linklist function showLinkList($PAGE, $LINKSDB) { buildLinkList($PAGE,$LINKSDB); // Compute list of links to display $PAGE->renderPage('linklist'); } // ------------------------------------------------------------------------------------------ // Render HTML page (according to URL parameters and user rights) function renderPage() { $LINKSDB = new LinkDB( $GLOBALS['config']['DATASTORE'], isLoggedIn(), $GLOBALS['config']['HIDE_PUBLIC_LINKS'], $GLOBALS['redirector'] ); $updater = new Updater( read_updates_file($GLOBALS['config']['UPDATES_FILE']), $GLOBALS, $LINKSDB, isLoggedIn() ); try { $newUpdates = $updater->update(); if (! empty($newUpdates)) { write_updates_file( $GLOBALS['config']['UPDATES_FILE'], $updater->getDoneUpdates() ); } } catch(Exception $e) { die($e->getMessage()); } $PAGE = new pageBuilder; // Determine which page will be rendered. $query = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : ''; $targetPage = Router::findPage($query, $_GET, isLoggedIn()); // Call plugin hooks for header, footer and includes, specifying which page will be rendered. // Then assign generated data to RainTPL. $common_hooks = array( 'includes', 'header', 'footer', ); $pluginManager = PluginManager::getInstance(); foreach($common_hooks as $name) { $plugin_data = array(); $pluginManager->executeHooks('render_' . $name, $plugin_data, array( 'target' => $targetPage, 'loggedin' => isLoggedIn() ) ); $PAGE->assign('plugins_' . $name, $plugin_data); } // -------- Display login form. if ($targetPage == Router::$PAGE_LOGIN) { if ($GLOBALS['config']['OPEN_SHAARLI']) { header('Location: ?'); exit; } // No need to login for open Shaarli $token=''; if (ban_canLogin()) $token=getToken(); // Do not waste token generation if not useful. $PAGE->assign('token',$token); $PAGE->assign('returnurl',(isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']):'')); $PAGE->renderPage('loginform'); exit; } // -------- User wants to logout. if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=logout')) { invalidateCaches($GLOBALS['config']['PAGECACHE']); logout(); header('Location: ?'); exit; } // -------- Picture wall if ($targetPage == Router::$PAGE_PICWALL) { // Optionally filter the results: $searchtags = !empty($_GET['searchtags']) ? escape($_GET['searchtags']) : ''; $searchterm = !empty($_GET['searchterm']) ? escape($_GET['searchterm']) : ''; if (! empty($searchtags) && ! empty($searchterm)) { $links = $LINKSDB->filter( LinkFilter::$FILTER_TAG | LinkFilter::$FILTER_TEXT, array($searchtags, $searchterm) ); } elseif ($searchtags) { $links = $LINKSDB->filter(LinkFilter::$FILTER_TAG, $searchtags); } elseif ($searchterm) { $links = $LINKSDB->filter(LinkFilter::$FILTER_TEXT, $searchterm); } else { $links = $LINKSDB; } $linksToDisplay = array(); // Get only links which have a thumbnail. foreach($links as $link) { $permalink='?'.escape(smallhash($link['linkdate'])); $thumb=lazyThumbnail($link['url'],$permalink); if ($thumb!='') // Only output links which have a thumbnail. { $link['thumbnail']=$thumb; // Thumbnail HTML code. $linksToDisplay[]=$link; // Add to array. } } $data = array( 'linkcount' => count($LINKSDB), 'linksToDisplay' => $linksToDisplay, ); $pluginManager->executeHooks('render_picwall', $data, array('loggedin' => isLoggedIn())); foreach ($data as $key => $value) { $PAGE->assign($key, $value); } $PAGE->renderPage('picwall'); exit; } // -------- Tag cloud if ($targetPage == Router::$PAGE_TAGCLOUD) { $tags= $LINKSDB->allTags(); // We sort tags alphabetically, then choose a font size according to count. // First, find max value. $maxcount = 0; foreach ($tags as $value) { $maxcount = max($maxcount, $value); } // Sort tags alphabetically: case insensitive, support locale if avalaible. uksort($tags, function($a, $b) { // Collator is part of PHP intl. if (class_exists('Collator')) { $c = new Collator(setlocale(LC_COLLATE, 0)); if (!intl_is_failure(intl_get_error_code())) { return $c->compare($a, $b); } } return strcasecmp($a, $b); }); $tagList=array(); foreach($tags as $key=>$value) // Tag font size scaling: default 15 and 30 logarithm bases affect scaling, 22 and 6 are arbitrary font sizes for max and min sizes. { $tagList[$key] = array('count'=>$value,'size'=>log($value, 15) / log($maxcount, 30) * (22-6) + 6); } $data = array( 'linkcount' => count($LINKSDB), 'tags' => $tagList, ); $pluginManager->executeHooks('render_tagcloud', $data, array('loggedin' => isLoggedIn())); foreach ($data as $key => $value) { $PAGE->assign($key, $value); } $PAGE->renderPage('tagcloud'); exit; } // Daily page. if ($targetPage == Router::$PAGE_DAILY) { showDaily($PAGE); } // ATOM feed. if ($targetPage == Router::$PAGE_ATOM) { showATOM($PAGE, $LINKSDB); } // Display openseach plugin (XML) if ($targetPage == Router::$PAGE_OPENSEARCH) { header('Content-Type: application/xml; charset=utf-8'); $PAGE->assign('serverurl', index_url($_SERVER)); $PAGE->renderPage('opensearch'); exit; } // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...) if (isset($_GET['addtag'])) { // Get previous URL (http_referer) and add the tag to the searchtags parameters in query. if (empty($_SERVER['HTTP_REFERER'])) { header('Location: ?searchtags='.urlencode($_GET['addtag'])); exit; } // In case browser does not send HTTP_REFERER parse_str(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_QUERY), $params); // Prevent redirection loop if (isset($params['addtag'])) { unset($params['addtag']); } // Check if this tag is already in the search query and ignore it if it is. // Each tag is always separated by a space if (isset($params['searchtags'])) { $current_tags = explode(' ', $params['searchtags']); } else { $current_tags = array(); } $addtag = true; foreach ($current_tags as $value) { if ($value === $_GET['addtag']) { $addtag = false; break; } } // Append the tag if necessary if (empty($params['searchtags'])) { $params['searchtags'] = trim($_GET['addtag']); } else if ($addtag) { $params['searchtags'] = trim($params['searchtags']).' '.trim($_GET['addtag']); } unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different) header('Location: ?'.http_build_query($params)); exit; } // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...) if (isset($_GET['removetag'])) { // Get previous URL (http_referer) and remove the tag from the searchtags parameters in query. if (empty($_SERVER['HTTP_REFERER'])) { header('Location: ?'); exit; } // In case browser does not send HTTP_REFERER parse_str(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_QUERY), $params); // Prevent redirection loop if (isset($params['removetag'])) { unset($params['removetag']); } if (isset($params['searchtags'])) { $tags = explode(' ', $params['searchtags']); // Remove value from array $tags. $tags = array_diff($tags, array($_GET['removetag'])); $params['searchtags'] = implode(' ',$tags); if (empty($params['searchtags'])) { unset($params['searchtags']); } unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different) } header('Location: ?'.http_build_query($params)); exit; } // -------- User wants to change the number of links per page (linksperpage=...) if (isset($_GET['linksperpage'])) { if (is_numeric($_GET['linksperpage'])) { $_SESSION['LINKS_PER_PAGE']=abs(intval($_GET['linksperpage'])); } header('Location: '. generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('linksperpage'))); exit; } // -------- User wants to see only private links (toggle) if (isset($_GET['privateonly'])) { if (empty($_SESSION['privateonly'])) { $_SESSION['privateonly'] = 1; // See only private links } else { unset($_SESSION['privateonly']); // See all links } header('Location: '. generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('privateonly'))); exit; } // -------- Handle other actions allowed for non-logged in users: if (!isLoggedIn()) { // User tries to post new link but is not logged in: // Show login screen, then redirect to ?post=... if (isset($_GET['post'])) { 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($_GET['source']):'')); // Redirect to login page, then back to post link. exit; } // Same case as above except that user tried to access ?do=addlink without being logged in // Note: passing empty parameters makes Shaarli generate default URLs and descriptions. if (isset($_GET['do']) && $_GET['do'] === 'addlink') { header('Location: ?do=login&post='); exit; } showLinkList($PAGE, $LINKSDB); if (isset($_GET['edit_link'])) { header('Location: ?do=login&edit_link='. escape($_GET['edit_link'])); exit; } exit; // Never remove this one! All operations below are reserved for logged in user. } // -------- All other functions are reserved for the registered user: // -------- Display the Tools menu if requested (import/export/bookmarklet...) if ($targetPage == Router::$PAGE_TOOLS) { $data = array( 'linkcount' => count($LINKSDB), 'pageabsaddr' => index_url($_SERVER), ); $pluginManager->executeHooks('render_tools', $data); foreach ($data as $key => $value) { $PAGE->assign($key, $value); } $PAGE->renderPage('tools'); exit; } // -------- User wants to change his/her password. if ($targetPage == Router::$PAGE_CHANGEPASSWORD) { if ($GLOBALS['config']['OPEN_SHAARLI']) die('You are not supposed to change a password on an Open Shaarli.'); if (!empty($_POST['setpassword']) && !empty($_POST['oldpassword'])) { if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away! // Make sure old password is correct. $oldhash = sha1($_POST['oldpassword'].$GLOBALS['login'].$GLOBALS['salt']); if ($oldhash!=$GLOBALS['hash']) { echo ''; exit; } // Save new password $GLOBALS['salt'] = sha1(uniqid('',true).'_'.mt_rand()); // Salt renders rainbow-tables attacks useless. $GLOBALS['hash'] = sha1($_POST['setpassword'].$GLOBALS['login'].$GLOBALS['salt']); try { writeConfig($GLOBALS, isLoggedIn()); } catch(Exception $e) { error_log( 'ERROR while writing config file after changing password.' . PHP_EOL . $e->getMessage() ); // TODO: do not handle exceptions/errors in JS. echo ''; exit; } echo ''; exit; } else // show the change password form. { $PAGE->assign('linkcount',count($LINKSDB)); $PAGE->assign('token',getToken()); $PAGE->renderPage('changepassword'); exit; } } // -------- User wants to change configuration if ($targetPage == Router::$PAGE_CONFIGURE) { if (!empty($_POST['title']) ) { if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away! $tz = 'UTC'; if (!empty($_POST['continent']) && !empty($_POST['city'])) if (isTimeZoneValid($_POST['continent'],$_POST['city'])) $tz = $_POST['continent'].'/'.$_POST['city']; $GLOBALS['timezone'] = $tz; $GLOBALS['title']=$_POST['title']; $GLOBALS['titleLink']=$_POST['titleLink']; $GLOBALS['redirector']=$_POST['redirector']; $GLOBALS['disablesessionprotection']=!empty($_POST['disablesessionprotection']); $GLOBALS['privateLinkByDefault']=!empty($_POST['privateLinkByDefault']); $GLOBALS['config']['ENABLE_RSS_PERMALINKS']= !empty($_POST['enableRssPermalinks']); $GLOBALS['config']['ENABLE_UPDATECHECK'] = !empty($_POST['updateCheck']); $GLOBALS['config']['HIDE_PUBLIC_LINKS'] = !empty($_POST['hidePublicLinks']); try { writeConfig($GLOBALS, isLoggedIn()); } catch(Exception $e) { error_log( 'ERROR while writing config file after configuration update.' . PHP_EOL . $e->getMessage() ); // TODO: do not handle exceptions/errors in JS. echo ''; exit; } echo ''; exit; } else // Show the configuration form. { $PAGE->assign('linkcount',count($LINKSDB)); $PAGE->assign('token',getToken()); $PAGE->assign('title', empty($GLOBALS['title']) ? '' : $GLOBALS['title'] ); $PAGE->assign('redirector', empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector'] ); list($timezone_form, $timezone_js) = generateTimeZoneForm($GLOBALS['timezone']); $PAGE->assign('timezone_form', $timezone_form); $PAGE->assign('timezone_js',$timezone_js); $PAGE->renderPage('configure'); exit; } } // -------- User wants to rename a tag or delete it if ($targetPage == Router::$PAGE_CHANGETAG) { if (empty($_POST['fromtag']) || (empty($_POST['totag']) && isset($_POST['renametag']))) { $PAGE->assign('linkcount', count($LINKSDB)); $PAGE->assign('token', getToken()); $PAGE->assign('tags', $LINKSDB->allTags()); $PAGE->renderPage('changetag'); exit; } if (!tokenOk($_POST['token'])) { die('Wrong token.'); } // Delete a tag: if (isset($_POST['deletetag']) && !empty($_POST['fromtag'])) { $needle=trim($_POST['fromtag']); // True for case-sensitive tag search. $linksToAlter = $LINKSDB->filter(LinkFilter::$FILTER_TAG, $needle, true); foreach($linksToAlter as $key=>$value) { $tags = explode(' ',trim($value['tags'])); unset($tags[array_search($needle,$tags)]); // Remove tag. $value['tags']=trim(implode(' ',$tags)); $LINKSDB[$key]=$value; } $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); echo ''; exit; } // Rename a tag: if (isset($_POST['renametag']) && !empty($_POST['fromtag']) && !empty($_POST['totag'])) { $needle=trim($_POST['fromtag']); // True for case-sensitive tag search. $linksToAlter = $LINKSDB->filter(LinkFilter::$FILTER_TAG, $needle, true); foreach($linksToAlter as $key=>$value) { $tags = explode(' ',trim($value['tags'])); $tags[array_search($needle,$tags)] = trim($_POST['totag']); // Replace tags value. $value['tags']=trim(implode(' ',$tags)); $LINKSDB[$key]=$value; } $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // Save to disk. echo ''; exit; } } // -------- User wants to add a link without using the bookmarklet: Show form. if ($targetPage == Router::$PAGE_ADDLINK) { $PAGE->assign('linkcount',count($LINKSDB)); $PAGE->renderPage('addlink'); exit; } // -------- User clicked the "Save" button when editing a link: Save link to database. if (isset($_POST['save_edit'])) { // Go away! if (! tokenOk($_POST['token'])) { die('Wrong token.'); } // Remove multiple spaces. $tags = trim(preg_replace('/\s\s+/', ' ', $_POST['lf_tags'])); // Remove first '-' char in tags. $tags = preg_replace('/(^| )\-/', '$1', $tags); // Remove duplicates. $tags = implode(' ', array_unique(explode(' ', $tags))); $linkdate = $_POST['lf_linkdate']; $url = trim($_POST['lf_url']); if (! startsWith($url, 'http:') && ! startsWith($url, 'https:') && ! startsWith($url, 'ftp:') && ! startsWith($url, 'magnet:') && ! startsWith($url, '?') && ! startsWith($url, 'javascript:') ) { $url = 'http://' . $url; } $link = array( 'title' => trim($_POST['lf_title']), 'url' => $url, 'description' => $_POST['lf_description'], 'private' => (isset($_POST['lf_private']) ? 1 : 0), 'linkdate' => $linkdate, 'tags' => str_replace(',', ' ', $tags) ); // If title is empty, use the URL as title. if ($link['title'] == '') { $link['title'] = $link['url']; } $pluginManager->executeHooks('save_link', $link); $LINKSDB[$linkdate] = $link; $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); pubsubhub(); // If we are called from the bookmarklet, we must close the popup: if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo ''; exit; } $returnurl = !empty($_POST['returnurl']) ? $_POST['returnurl'] : '?'; $location = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link')); // Scroll to the link which has been edited. $location .= '#' . smallHash($_POST['lf_linkdate']); // After saving the link, redirect to the page the user was on. header('Location: '. $location); exit; } // -------- User clicked the "Cancel" button when editing a link. if (isset($_POST['cancel_edit'])) { // If we are called from the bookmarklet, we must close the popup: if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo ''; exit; } $returnurl = ( isset($_POST['returnurl']) ? $_POST['returnurl'] : '?' ); $returnurl .= '#'.smallHash($_POST['lf_linkdate']); // Scroll to the link which has been edited. $returnurl = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link')); header('Location: '.$returnurl); // After canceling, redirect to the page the user was on. exit; } // -------- User clicked the "Delete" button when editing a link: Delete link from database. if (isset($_POST['delete_link'])) { if (!tokenOk($_POST['token'])) die('Wrong token.'); // We do not need to ask for confirmation: // - confirmation is handled by JavaScript // - we are protected from XSRF by the token. $linkdate=$_POST['lf_linkdate']; $pluginManager->executeHooks('delete_link', $LINKSDB[$linkdate]); unset($LINKSDB[$linkdate]); $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // save to disk // If we are called from the bookmarklet, we must close the popup: if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo ''; exit; } // Pick where we're going to redirect // ============================================================= // Basically, we can't redirect to where we were previously if it was a permalink // or an edit_link, because it would 404. // Cases: // - / : nothing in $_GET, redirect to self // - /?page : redirect to self // - /?searchterm : redirect to self (there might be other links) // - /?searchtags : redirect to self // - /permalink : redirect to / (the link does not exist anymore) // - /?edit_link : redirect to / (the link does not exist anymore) // PHP treats the permalink as a $_GET variable, so we need to check if every condition for self // redirect is not satisfied, and only then redirect to / $location = "?"; // Self redirection if (count($_GET) == 0 || isset($_GET['page']) || isset($_GET['searchterm']) || isset($_GET['searchtags']) ) { if (isset($_POST['returnurl'])) { $location = $_POST['returnurl']; // Handle redirects given by the form } else { $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('delete_link')); } } header('Location: ' . $location); // After deleting the link, redirect to appropriate location exit; } // -------- User clicked the "EDIT" button on a link: Display link edit form. if (isset($_GET['edit_link'])) { $link = $LINKSDB[$_GET['edit_link']]; // Read database if (!$link) { header('Location: ?'); exit; } // Link not found in database. $data = array( 'linkcount' => count($LINKSDB), 'link' => $link, 'link_is_new' => false, 'token' => getToken(), 'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''), 'tags' => $LINKSDB->allTags(), ); $pluginManager->executeHooks('render_editlink', $data); foreach ($data as $key => $value) { $PAGE->assign($key, $value); } $PAGE->renderPage('editlink'); exit; } // -------- User want to post a new link: Display link edit form. if (isset($_GET['post'])) { $url = cleanup_url(escape($_GET['post'])); $link_is_new = false; // Check if URL is not already in database (in this case, we will edit the existing link) $link = $LINKSDB->getLinkFromUrl($url); if (!$link) { $link_is_new = true; $linkdate = strval(date('Ymd_His')); // Get title if it was provided in URL (by the bookmarklet). $title = empty($_GET['title']) ? '' : escape($_GET['title']); // Get description if it was provided in URL (by the bookmarklet). [Bronco added that] $description = empty($_GET['description']) ? '' : escape($_GET['description']); $tags = empty($_GET['tags']) ? '' : escape($_GET['tags']); $private = !empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0; // If this is an HTTP(S) link, we try go get the page to extract the title (otherwise we will to straight to the edit form.) if (empty($title) && strpos(get_url_scheme($url), 'http') !== false) { // Short timeout to keep the application responsive list($headers, $content) = get_http_response($url, 4); if (strpos($headers[0], '200 OK') !== false) { // Retrieve charset. $charset = get_charset($headers, $content); // Extract title. $title = html_extract_title($content); // Re-encode title in utf-8 if necessary. if (! empty($title) && $charset != 'utf-8') { $title = mb_convert_encoding($title, $charset, 'utf-8'); } } } if ($url == '') { $url = '?' . smallHash($linkdate); $title = 'Note: '; } $link = array( 'linkdate' => $linkdate, 'title' => $title, 'url' => $url, 'description' => $description, 'tags' => $tags, 'private' => $private ); } $data = array( 'linkcount' => count($LINKSDB), 'link' => $link, 'link_is_new' => $link_is_new, 'token' => getToken(), // XSRF protection. 'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''), 'source' => (isset($_GET['source']) ? $_GET['source'] : ''), 'tags' => $LINKSDB->allTags(), ); $pluginManager->executeHooks('render_editlink', $data); foreach ($data as $key => $value) { $PAGE->assign($key, $value); } $PAGE->renderPage('editlink'); exit; } // -------- Export as Netscape Bookmarks HTML file. if ($targetPage == Router::$PAGE_EXPORT) { if (empty($_GET['what'])) { $PAGE->assign('linkcount',count($LINKSDB)); $PAGE->renderPage('export'); exit; } $exportWhat=$_GET['what']; if (!array_intersect(array('all','public','private'),array($exportWhat))) die('What are you trying to export???'); header('Content-Type: text/html; charset=utf-8'); header('Content-disposition: attachment; filename=bookmarks_'.$exportWhat.'_'.strval(date('Ymd_His')).'.html'); $currentdate=date('Y/m/d H:i:s'); echo << Bookmarks

Bookmarks

HTML; foreach($LINKSDB as $link) { if ($exportWhat=='all' || ($exportWhat=='private' && $link['private']!=0) || ($exportWhat=='public' && $link['private']==0)) { $date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']); echo '
'.$link['title']."\n"; if ($link['description']!='') echo '
'.$link['description']."\n"; } } exit; } // -------- User is uploading a file for import if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=upload')) { // If file is too big, some form field may be missing. if (!isset($_POST['token']) || (!isset($_FILES)) || (isset($_FILES['filetoupload']['size']) && $_FILES['filetoupload']['size']==0)) { $returnurl = ( empty($_SERVER['HTTP_REFERER']) ? '?' : $_SERVER['HTTP_REFERER'] ); echo ''; exit; } if (!tokenOk($_POST['token'])) die('Wrong token.'); importFile(); exit; } // -------- Show upload/import dialog: if ($targetPage == Router::$PAGE_IMPORT) { $PAGE->assign('linkcount',count($LINKSDB)); $PAGE->assign('token',getToken()); $PAGE->assign('maxfilesize',getMaxFileSize()); $PAGE->renderPage('import'); exit; } // Plugin administration page if ($targetPage == Router::$PAGE_PLUGINSADMIN) { $pluginMeta = $pluginManager->getPluginsMeta(); // Split plugins into 2 arrays: ordered enabled plugins and disabled. $enabledPlugins = array_filter($pluginMeta, function($v) { return $v['order'] !== false; }); // Load parameters. $enabledPlugins = load_plugin_parameter_values($enabledPlugins, $GLOBALS['plugins']); uasort( $enabledPlugins, function($a, $b) { return $a['order'] - $b['order']; } ); $disabledPlugins = array_filter($pluginMeta, function($v) { return $v['order'] === false; }); $PAGE->assign('enabledPlugins', $enabledPlugins); $PAGE->assign('disabledPlugins', $disabledPlugins); $PAGE->renderPage('pluginsadmin'); exit; } // Plugin administration form action if ($targetPage == Router::$PAGE_SAVE_PLUGINSADMIN) { try { if (isset($_POST['parameters_form'])) { unset($_POST['parameters_form']); foreach ($_POST as $param => $value) { $GLOBALS['plugins'][$param] = escape($value); } } else { $GLOBALS['config']['ENABLED_PLUGINS'] = save_plugin_config($_POST); } writeConfig($GLOBALS, isLoggedIn()); } catch (Exception $e) { error_log( 'ERROR while saving plugin configuration:.' . PHP_EOL . $e->getMessage() ); // TODO: do not handle exceptions/errors in JS. echo ''; exit; } header('Location: ?do='. Router::$PAGE_PLUGINSADMIN); exit; } // -------- Otherwise, simply display search form and links: showLinkList($PAGE, $LINKSDB); exit; } // ----------------------------------------------------------------------------------------------- // Process the import file form. function importFile() { if (!isLoggedIn()) { die('Not allowed.'); } $LINKSDB = new LinkDB( $GLOBALS['config']['DATASTORE'], isLoggedIn(), $GLOBALS['config']['HIDE_PUBLIC_LINKS'], $GLOBALS['redirector'] ); $filename=$_FILES['filetoupload']['name']; $filesize=$_FILES['filetoupload']['size']; $data=file_get_contents($_FILES['filetoupload']['tmp_name']); $private = (empty($_POST['private']) ? 0 : 1); // Should the links be imported as private? $overwrite = !empty($_POST['overwrite']) ; // Should the imported links overwrite existing ones? $import_count=0; // Sniff file type: $type='unknown'; if (startsWith($data,'')) $type='netscape'; // Netscape bookmark file (aka Firefox). // Then import the bookmarks. if ($type=='netscape') { // This is a standard Netscape-style bookmark file. // This format is supported by all browsers (except IE, of course), also Delicious, Diigo and others. foreach(explode('
',$data) as $html) // explode is very fast { $link = array('linkdate'=>'','title'=>'','url'=>'','description'=>'','tags'=>'','private'=>0); $d = explode('
',$html); if (startswith($d[0],'(.*?)!i',$d[0],$matches); $link['title'] = (isset($matches[1]) ? trim($matches[1]) : ''); // Get title $link['title'] = html_entity_decode($link['title'],ENT_QUOTES,'UTF-8'); preg_match_all('! ([A-Z_]+)=\"(.*?)"!i',$html,$matches,PREG_SET_ORDER); // Get all other attributes $raw_add_date=0; foreach($matches as $m) { $attr=$m[1]; $value=$m[2]; if ($attr=='HREF') $link['url']=html_entity_decode($value,ENT_QUOTES,'UTF-8'); elseif ($attr=='ADD_DATE') { $raw_add_date=intval($value); if ($raw_add_date>30000000000) $raw_add_date/=1000; //If larger than year 2920, then was likely stored in milliseconds instead of seconds } elseif ($attr=='PRIVATE') $link['private']=($value=='0'?0:1); elseif ($attr=='TAGS') $link['tags']=html_entity_decode(str_replace(',',' ',$value),ENT_QUOTES,'UTF-8'); } if ($link['url']!='') { if ($private==1) $link['private']=1; $dblink = $LINKSDB->getLinkFromUrl($link['url']); // See if the link is already in database. if ($dblink==false) { // Link not in database, let's import it... if (empty($raw_add_date)) $raw_add_date=time(); // In case of shitty bookmark file with no ADD_DATE // Make sure date/time is not already used by another link. // (Some bookmark files have several different links with the same ADD_DATE) // We increment date by 1 second until we find a date which is not used in DB. // (so that links that have the same date/time are more or less kept grouped by date, but do not conflict.) while (!empty($LINKSDB[date('Ymd_His',$raw_add_date)])) { $raw_add_date++; }// Yes, I know it's ugly. $link['linkdate']=date('Ymd_His',$raw_add_date); $LINKSDB[$link['linkdate']] = $link; $import_count++; } else // Link already present in database. { if ($overwrite) { // If overwrite is required, we import link data, except date/time. $link['linkdate']=$dblink['linkdate']; $LINKSDB[$link['linkdate']] = $link; $import_count++; } } } } } $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); echo ''; } else { echo ''; } } // ----------------------------------------------------------------------------------------------- // Template for the list of links (