X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=index.php;h=872acf098e9ec9f0b9e5ba9a4ffa0d980cdb50d5;hb=98f54239aa392a11180280f13f5ea4262be59c0c;hp=765416ec7e1b81fe04fb7a09f6e3c0d3b656cf3a;hpb=b47f515ad3a58b791dd03008b11f52081f6f9d88;p=github%2Fshaarli%2FShaarli.git diff --git a/index.php b/index.php index 765416ec..872acf09 100644 --- a/index.php +++ b/index.php @@ -1,76 +1,203 @@ '); // Suffix to encapsulate data in PHP code. // http://server.com/x/shaarli --> /shaarli/ define('WEB_PATH', substr($_SERVER["REQUEST_URI"], 0, 1+strrpos($_SERVER["REQUEST_URI"], '/', 0))); -// Force cookie path (but do not change lifetime) -$cookie=session_get_cookie_params(); -$cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/'; -session_set_cookie_params($cookie['lifetime'],$cookiedir,$_SERVER['SERVER_NAME']); // Set default cookie expiration and path. +// High execution time in case of problematic imports/exports. +ini_set('max_input_time','60'); + +// Try to set max upload file size and read +ini_set('memory_limit', '128M'); +ini_set('post_max_size', '16M'); +ini_set('upload_max_filesize', '16M'); + +// See all error except warnings +error_reporting(E_ALL^E_WARNING); +// See all errors (for debugging only) +//error_reporting(-1); + +/* + * User configuration + */ +if (is_file($GLOBALS['config']['CONFIG_FILE'])) { + require_once $GLOBALS['config']['CONFIG_FILE']; +} +// Shaarli library +require_once 'application/Cache.php'; +require_once 'application/CachedPage.php'; +require_once 'application/HttpUtils.php'; +require_once 'application/LinkDB.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'; + +// Ensure the PHP version is supported +try { + checkPHPVersion('5.3', PHP_VERSION); +} catch(Exception $e) { + header('Content-Type: text/plain; charset=utf-8'); + echo $e->getMessage(); + exit; +} + +// Force cookie path (but do not change lifetime) +$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, $_SERVER['SERVER_NAME']); // Set session parameters on server side. -define('INACTIVITY_TIMEOUT',3600); // (in seconds). If the user does not access any page within this time, his/her session is considered expired. -ini_set('session.use_cookies', 1); // Use cookies to store session. -ini_set('session.use_only_cookies', 1); // Force cookies for session (phpsessionID forbidden in URL). -ini_set('session.use_trans_sid', false); // Prevent PHP form using sessionID in URL if cookies are disabled. +// If the user does not access any page within this time, his/her session is considered expired. +define('INACTIVITY_TIMEOUT', 3600); // in seconds. +// Use cookies to store session. +ini_set('session.use_cookies', 1); +// Force cookies for session (phpsessionID forbidden in URL). +ini_set('session.use_only_cookies', 1); +// Prevent PHP form using sessionID in URL if cookies are disabled. +ini_set('session.use_trans_sid', false); + session_name('shaarli'); -if (session_id() == '') session_start(); // Start session if needed (Some server auto-start sessions). +// Start session if needed (Some server auto-start sessions). +if (session_id() == '') { + session_start(); +} -// PHP Settings -ini_set('max_input_time','60'); // High execution time in case of problematic imports/exports. -ini_set('memory_limit', '128M'); // Try to set max upload file size and read (May not work on some hosts). -ini_set('post_max_size', '16M'); -ini_set('upload_max_filesize', '16M'); -checkphpversion(); -error_reporting(E_ALL^E_WARNING); // See all error except warnings. -//error_reporting(-1); // See all errors (for debugging only) +// Regenerate session ID if invalid or not defined in cookie. +if (isset($_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. @@ -93,19 +220,22 @@ header("Pragma: no-cache"); if (!is_writable(realpath(dirname(__FILE__)))) die('
ERROR: Shaarli does not have the right to write in its own directory.
'); // Handling of old config file which do not have the new parameters. -if (empty($GLOBALS['title'])) $GLOBALS['title']='Shared links on '.htmlspecialchars(indexUrl()); +if (empty($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['disablejquery'])) $GLOBALS['disablejquery']=false; if (empty($GLOBALS['privateLinkByDefault'])) $GLOBALS['privateLinkByDefault']=false; if (empty($GLOBALS['titleLink'])) $GLOBALS['titleLink']='?'; // I really need to rewrite Shaarli with a proper configuation manager. // Run config screen if first run: -if (!is_file($GLOBALS['config']['CONFIG_FILE'])) install(); +if (! is_file($GLOBALS['config']['CONFIG_FILE'])) { + install(); +} -require $GLOBALS['config']['CONFIG_FILE']; // Read login/password hash into $GLOBALS. +$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'])); @@ -155,21 +285,7 @@ function setup_login_state() { return $userIsLoggedIn; } -//================================================================================================== $userIsLoggedIn = setup_login_state(); -//================================================================================================== -//================================================================================================== - -// Check PHP version -function checkphpversion() -{ - if (version_compare(PHP_VERSION, '5.1.0') < 0) - { - header('Content-Type: text/plain; charset=utf-8'); - echo 'Your PHP version is obsolete! Shaarli requires at least php 5.1.0, and thus cannot run. Sorry. Your PHP version has known security vulnerabilities and should be updated as soon as possible.'; - exit; - } -} // Checks if an update is available for Shaarli. // (at most once a day, and only for registered user.) @@ -183,9 +299,11 @@ function checkUpdate() // Get latest version number at most once a day. if (!is_file($GLOBALS['config']['UPDATECHECK_FILENAME']) || (filemtime($GLOBALS['config']['UPDATECHECK_FILENAME'])','',str_replace('', '', str_replace('url = $url; - $this->filename = $GLOBALS['config']['PAGECACHE'].'/'.sha1($url).'.cache'; - $this->shouldBeCached = $shouldBeCached; - } - - // If the page should be cached and a cached version exists, - // returns the cached version (otherwise, return null). - public function cachedVersion() - { - if (!$this->shouldBeCached) return null; - if (is_file($this->filename)) { return file_get_contents($this->filename); exit; } - return null; - } - - // Put a page in the cache. - public function cache($page) - { - if (!$this->shouldBeCached) return; - file_put_contents($this->filename,$page); - } - - // Purge the whole cache. - // (call with pageCache::purgeCache()) - public static function purgeCache() - { - if (is_dir($GLOBALS['config']['PAGECACHE'])) - { - $handler = opendir($GLOBALS['config']['PAGECACHE']); - if ($handler!==false) - { - while (($filename = readdir($handler))!==false) - { - if (endsWith($filename,'.cache')) { unlink($GLOBALS['config']['PAGECACHE'].'/'.$filename); } - } - closedir($handler); - } - } - } - -} - - // ----------------------------------------------------------------------------------------------- // Log to text file function logm($message) @@ -261,27 +322,6 @@ function logm($message) file_put_contents($GLOBALS['config']['DATADIR'].'/log.txt',$t,FILE_APPEND); } -// Same as nl2br(), but escapes < and > -function nl2br_escaped($html) -{ - return str_replace('>','>',str_replace('<','<',nl2br($html))); -} - -/* Returns the small hash of a string, using RFC 4648 base64url format - e.g. smallHash('20111006_131924') --> yZH23w - Small hashes: - - are unique (well, as unique as crc32, at last) - - are always 6 characters long. - - only use the following characters: a-z A-Z 0-9 - _ @ - - are NOT cryptographically secure (they CAN be forged) - In Shaarli, they are used as a tinyurl-like link to individual entries. -*/ -function smallHash($text) -{ - $t = rtrim(base64_encode(hash('crc32',$text,true)),'='); - return strtr($t, '+/', '-_'); -} - // In a string, converts URLs to clickable links. // Function inspired from http://www.php.net/manual/en/function.preg-replace.php#85722 function text2clickable($url) @@ -302,12 +342,18 @@ function keepMultipleSpaces($text) // (Note that is may not work on your server if the corresponding local is not installed.) function autoLocale() { - $loc='en_US'; // Default if browser does not send HTTP_ACCEPT_LANGUAGE + $attempts = array('en_US'); // Default if browser does not send HTTP_ACCEPT_LANGUAGE if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) // e.g. "fr,fr-fr;q=0.8,en;q=0.5,en-us;q=0.3" { // (It's a bit crude, but it works very well. Preferred language is always presented first.) - if (preg_match('/([a-z]{2}(-[a-z]{2})?)/i',$_SERVER['HTTP_ACCEPT_LANGUAGE'],$matches)) $loc=$matches[1]; + if (preg_match('/([a-z]{2})-?([a-z]{2})?/i',$_SERVER['HTTP_ACCEPT_LANGUAGE'],$matches)) { + $loc = $matches[1] . (!empty($matches[2]) ? '_' . strtoupper($matches[2]) : ''); + $attempts = array($loc.'.UTF-8', $loc, str_replace('_', '-', $loc).'.UTF-8', str_replace('_', '-', $loc), + $loc . '_' . strtoupper($loc).'.UTF-8', $loc . '_' . strtoupper($loc), + $loc . '_' . $loc.'.UTF-8', $loc . '_' . $loc, $loc . '-' . strtoupper($loc).'.UTF-8', + $loc . '-' . strtoupper($loc), $loc . '-' . $loc.'.UTF-8', $loc . '-' . $loc); + } } - setlocale(LC_TIME,$loc); // LC_TIME = Set local for date/time format only. + setlocale(LC_TIME, $attempts); // LC_TIME = Set local for date/time format only. } // ------------------------------------------------------------------------------------------ @@ -320,8 +366,8 @@ function pubsubhub() { $p = new Publisher($GLOBALS['config']['PUBSUBHUB_URL']); $topic_url = array ( - indexUrl().'?do=atom', - indexUrl().'?do=rss' + index_url($_SERVER).'?do=atom', + index_url($_SERVER).'?do=rss' ); $p->publish_update($topic_url); } @@ -454,12 +500,30 @@ if (isset($_POST['login'])) session_set_cookie_params(0,$cookiedir,$_SERVER['SERVER_NAME']); // 0 means "When browser closes" session_regenerate_id(true); } + // Optional redirect after login: - if (isset($_GET['post'])) { header('Location: ?post='.urlencode($_GET['post']).(!empty($_GET['title'])?'&title='.urlencode($_GET['title']):'').(!empty($_GET['description'])?'&description='.urlencode($_GET['description']):'').(!empty($_GET['source'])?'&source='.urlencode($_GET['source']):'')); exit; } - if (isset($_POST['returnurl'])) - { - if (endsWith($_POST['returnurl'],'?do=login')) { header('Location: ?'); exit; } // Prevent loops over login screen. - header('Location: '.$_POST['returnurl']); exit; + 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; } @@ -467,7 +531,14 @@ if (isset($_POST['login'])) { ban_loginFailed(); $redir = ''; - if (isset($_GET['post'])) { $redir = '&post='.urlencode($_GET['post']).(!empty($_GET['title'])?'&title='.urlencode($_GET['title']):'').(!empty($_GET['description'])?'&description='.urlencode($_GET['description']):'').(!empty($_GET['source'])?'&source='.urlencode($_GET['source']):''); } + if (isset($_GET['post'])) { + $redir = '?post=' . urlencode($_GET['post']); + foreach (array('description', 'source', 'title') as $param) { + if (!empty($_GET[$param])) { + $redir .= '&' . $param . '=' . urlencode($_GET[$param]); + } + } + } echo ''; // Redirect to login screen. exit; } @@ -476,34 +547,6 @@ if (isset($_POST['login'])) // ------------------------------------------------------------------------------------------ // Misc utility functions: -// Returns the server URL (including port and http/https), without path. -// e.g. "http://myserver.com:8080" -// You can append $_SERVER['SCRIPT_NAME'] to get the current script URL. -function serverUrl() -{ - $https = (!empty($_SERVER['HTTPS']) && (strtolower($_SERVER['HTTPS'])=='on')) || $_SERVER["SERVER_PORT"]=='443'; // HTTPS detection. - $serverport = ($_SERVER["SERVER_PORT"]=='80' || ($https && $_SERVER["SERVER_PORT"]=='443') ? '' : ':'.$_SERVER["SERVER_PORT"]); - return 'http'.($https?'s':'').'://'.$_SERVER['SERVER_NAME'].$serverport; -} - -// Returns the absolute URL of current script, without the query. -// (e.g. http://sebsauvage.net/links/) -function indexUrl() -{ - $scriptname = $_SERVER["SCRIPT_NAME"]; - // If the script is named 'index.php', we remove it (for better looking URLs, - // e.g. http://mysite.com/shaarli/?abcde instead of http://mysite.com/shaarli/index.php?abcde) - if (endswith($scriptname,'index.php')) $scriptname = substr($scriptname,0,strlen($scriptname)-9); - return serverUrl() . $scriptname; -} - -// Returns the absolute URL of current script, WITH the query. -// (e.g. http://sebsauvage.net/links/?toto=titi&spamspamspam=humbug) -function pageUrl() -{ - return indexUrl().(!empty($_SERVER["QUERY_STRING"]) ? '?'.$_SERVER["QUERY_STRING"] : ''); -} - // Convert post_max_size/upload_max_filesize (e.g. '16M') parameters to bytes. function return_bytes($val) { @@ -529,28 +572,17 @@ function getMaxFileSize() return $maxsize; } -// Tells if a string start with a substring or not. -function startsWith($haystack,$needle,$case=true) -{ - if($case){return (strcmp(substr($haystack, 0, strlen($needle)),$needle)===0);} - return (strcasecmp(substr($haystack, 0, strlen($needle)),$needle)===0); -} - -// Tells if a string ends with a substring or not. -function endsWith($haystack,$needle,$case=true) -{ - if($case){return (strcmp(substr($haystack, strlen($haystack) - strlen($needle)),$needle)===0);} - return (strcasecmp(substr($haystack, strlen($haystack) - strlen($needle)),$needle)===0); -} - /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a timestamp (Unix epoch) (used to build the ADD_DATE attribute in Netscape-bookmarks file) PS: I could have used strptime(), but it does not exist on Windows. I'm too kind. */ function linkdate2timestamp($linkdate) { - $Y=$M=$D=$h=$m=$s=0; - $r = sscanf($linkdate,'%4d%2d%2d_%2d%2d%2d',$Y,$M,$D,$h,$m,$s); - return mktime($h,$m,$s,$M,$D,$Y); + if(strcmp($linkdate, '_000000') !== 0 || !$linkdate){ + $Y=$M=$D=$h=$m=$s=0; + $r = sscanf($linkdate,'%4d%2d%2d_%2d%2d%2d',$Y,$M,$D,$h,$m,$s); + return mktime($h,$m,$s,$M,$D,$Y); + } + return time(); } /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a RFC822 date. @@ -567,53 +599,6 @@ function linkdate2iso8601($linkdate) return date('c',linkdate2timestamp($linkdate)); // 'c' is for ISO 8601 date format. } -// Parse HTTP response headers and return an associative array. -function http_parse_headers_shaarli( $headers ) -{ - $res=array(); - foreach($headers as $header) - { - $i = strpos($header,': '); - if ($i!==false) - { - $key=substr($header,0,$i); - $value=substr($header,$i+2,strlen($header)-$i-2); - $res[$key]=$value; - } - } - return $res; -} - -/* GET an URL. - Input: $url : URL to get (http://...) - $timeout : Network timeout (will wait this many seconds for an anwser before giving up). - Output: An array. [0] = HTTP status message (e.g. "HTTP/1.1 200 OK") or error message - [1] = associative array containing HTTP response headers (e.g. echo getHTTP($url)[1]['Content-Type']) - [2] = data - Example: list($httpstatus,$headers,$data) = getHTTP('http://sebauvage.net/'); - if (strpos($httpstatus,'200 OK')!==false) - echo 'Data type: '.htmlspecialchars($headers['Content-Type']); - else - echo 'There was an error: '.htmlspecialchars($httpstatus) -*/ -function getHTTP($url,$timeout=30) -{ - try - { - $options = array('http'=>array('method'=>'GET','timeout' => $timeout, 'user_agent' => 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:23.0) Gecko/20100101 Firefox/23.0')); // Force network timeout - $context = stream_context_create($options); - $data=file_get_contents($url,false,$context,-1, 4000000); // We download at most 4 Mb from source. - if (!$data) { return array('HTTP Error',array(),''); } - $httpStatus=$http_response_header[0]; // e.g. "HTTP/1.1 200 OK" - $responseHeaders=http_parse_headers_shaarli($http_response_header); - return array($httpStatus,$responseHeaders,$data); - } - catch (Exception $e) // getHTTP *can* fail silently (we don't care if the title cannot be fetched) - { - return array($e->getMessage(),'',''); - } -} - // Extract title from an HTML document. // (Returns an empty string if not found.) function html_extract_title($html) @@ -660,28 +645,43 @@ class pageBuilder function __construct() { - $this->tpl=false; + $this->tpl = false; } + /** + * Initialize all default tpl tags. + */ private function initialize() { $this->tpl = new RainTPL; - $this->tpl->assign('newversion',checkUpdate()); - $this->tpl->assign('feedurl',htmlspecialchars(indexUrl())); - $searchcrits=''; // Search criteria - if (!empty($_GET['searchtags'])) $searchcrits.='&searchtags='.urlencode($_GET['searchtags']); - elseif (!empty($_GET['searchterm'])) $searchcrits.='&searchterm='.urlencode($_GET['searchterm']); - $this->tpl->assign('searchcrits',$searchcrits); - $this->tpl->assign('source',indexUrl()); - $this->tpl->assign('version',shaarli_version); - $this->tpl->assign('scripturl',indexUrl()); - $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'] ); - return; + $this->tpl->assign('newversion', escape(checkUpdate())); + $this->tpl->assign('feedurl', escape(index_url($_SERVER))); + $searchcrits = ''; // Search criteria + if (!empty($_GET['searchtags'])) { + $searchcrits .= '&searchtags=' . urlencode($_GET['searchtags']); + } + elseif (!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['plugins']['errors'])) { + $this->tpl->assign('plugin_errors', $GLOBALS['plugins']['errors']); + } } // The following assign() method is basically the same as RainTPL (except that it's lazy) @@ -700,220 +700,6 @@ class pageBuilder } } -// ------------------------------------------------------------------------------------------ -/* Data storage for links. - This object behaves like an associative array. - Example: - $mylinks = new linkdb(); - echo $mylinks['20110826_161819']['title']; - foreach($mylinks as $link) - echo $link['title'].' at url '.$link['url'].' ; description:'.$link['description']; - - Available keys: - title : Title of the link - url : URL of the link. Can be absolute or relative. Relative URLs are permalinks (e.g.'?m-ukcw') - description : description of the entry - private : Is this link private? 0=no, other value=yes - linkdate : date of the creation of this entry, in the form YYYYMMDD_HHMMSS (e.g.'20110914_192317') - tags : tags attached to this entry (separated by spaces) - - We implement 3 interfaces: - - ArrayAccess so that this object behaves like an associative array. - - Iterator so that this object can be used in foreach() loops. - - Countable interface so that we can do a count() on this object. -*/ -class linkdb implements Iterator, Countable, ArrayAccess -{ - private $links; // List of links (associative array. Key=linkdate (e.g. "20110823_124546"), value= associative array (keys:title,description...) - private $urls; // List of all recorded URLs (key=url, value=linkdate) for fast reserve search (url-->linkdate) - private $keys; // List of linkdate keys (for the Iterator interface implementation) - private $position; // Position in the $this->keys array. (for the Iterator interface implementation.) - private $loggedin; // Is the user logged in? (used to filter private links) - - // Constructor: - function __construct($isLoggedIn) - // Input : $isLoggedIn : is the user logged in? - { - $this->loggedin = $isLoggedIn; - $this->checkdb(); // Make sure data file exists. - $this->readdb(); // Then read it. - } - - // ---- Countable interface implementation - public function count() { return count($this->links); } - - // ---- ArrayAccess interface implementation - public function offsetSet($offset, $value) - { - if (!$this->loggedin) die('You are not authorized to add a link.'); - if (empty($value['linkdate']) || empty($value['url'])) die('Internal Error: A link should always have a linkdate and URL.'); - if (empty($offset)) die('You must specify a key.'); - $this->links[$offset] = $value; - $this->urls[$value['url']]=$offset; - } - public function offsetExists($offset) { return array_key_exists($offset,$this->links); } - public function offsetUnset($offset) - { - if (!$this->loggedin) die('You are not authorized to delete a link.'); - $url = $this->links[$offset]['url']; unset($this->urls[$url]); - unset($this->links[$offset]); - } - public function offsetGet($offset) { return isset($this->links[$offset]) ? $this->links[$offset] : null; } - - // ---- Iterator interface implementation - function rewind() { $this->keys=array_keys($this->links); rsort($this->keys); $this->position=0; } // Start over for iteration, ordered by date (latest first). - function key() { return $this->keys[$this->position]; } // current key - function current() { return $this->links[$this->keys[$this->position]]; } // current value - function next() { ++$this->position; } // go to next item - function valid() { return isset($this->keys[$this->position]); } // Check if current position is valid. - - // ---- Misc methods - private function checkdb() // Check if db directory and file exists. - { - if (!file_exists($GLOBALS['config']['DATASTORE'])) // Create a dummy database for example. - { - $this->links = array(); - $link = array('title'=>'Shaarli - sebsauvage.net','url'=>'http://sebsauvage.net/wiki/doku.php?id=php:shaarli','description'=>'Welcome to Shaarli ! This is a bookmark. To edit or delete me, you must first login.','private'=>0,'linkdate'=>'20110914_190000','tags'=>'opensource software'); - $this->links[$link['linkdate']] = $link; - $link = array('title'=>'My secret stuff... - Pastebin.com','url'=>'http://sebsauvage.net/paste/?8434b27936c09649#bR7XsXhoTiLcqCpQbmOpBi3rq2zzQUC5hBI7ZT1O3x8=','description'=>'SShhhh!! I\'m a private link only YOU can see. You can delete me too.','private'=>1,'linkdate'=>'20110914_074522','tags'=>'secretstuff'); - $this->links[$link['linkdate']] = $link; - file_put_contents($GLOBALS['config']['DATASTORE'], PHPPREFIX.base64_encode(gzdeflate(serialize($this->links))).PHPSUFFIX); // Write database to disk - } - } - - // Read database from disk to memory - private function readdb() - { - // Read data - $this->links=(file_exists($GLOBALS['config']['DATASTORE']) ? unserialize(gzinflate(base64_decode(substr(file_get_contents($GLOBALS['config']['DATASTORE']),strlen(PHPPREFIX),-strlen(PHPSUFFIX))))) : array() ); - // Note that gzinflate is faster than gzuncompress. See: http://www.php.net/manual/en/function.gzdeflate.php#96439 - - // If user is not logged in, filter private links. - if (!$this->loggedin) - { - $toremove=array(); - foreach($this->links as $link) { if ($link['private']!=0) $toremove[]=$link['linkdate']; } - foreach($toremove as $linkdate) { unset($this->links[$linkdate]); } - } - - // Keep the list of the mapping URLs-->linkdate up-to-date. - $this->urls=array(); - foreach($this->links as $link) { $this->urls[$link['url']]=$link['linkdate']; } - } - - // Save database from memory to disk. - public function savedb() - { - if (!$this->loggedin) die('You are not authorized to change the database.'); - file_put_contents($GLOBALS['config']['DATASTORE'], PHPPREFIX.base64_encode(gzdeflate(serialize($this->links))).PHPSUFFIX); - invalidateCaches(); - } - - // Returns the link for a given URL (if it exists). False if it does not exist. - public function getLinkFromUrl($url) - { - if (isset($this->urls[$url])) return $this->links[$this->urls[$url]]; - return false; - } - - // Case insensitive search among links (in the URLs, title and description). Returns filtered list of links. - // e.g. print_r($mydb->filterFulltext('hollandais')); - public function filterFulltext($searchterms) - { - // FIXME: explode(' ',$searchterms) and perform a AND search. - // FIXME: accept double-quotes to search for a string "as is"? - // Using mb_convert_case($val, MB_CASE_LOWER, 'UTF-8') allows us to perform searches on - // Unicode text. See https://github.com/shaarli/Shaarli/issues/75 for examples. - $filtered=array(); - $s = mb_convert_case($searchterms, MB_CASE_LOWER, 'UTF-8'); - foreach($this->links as $l) - { - $found= (strpos(mb_convert_case($l['title'], MB_CASE_LOWER, 'UTF-8'),$s) !== false) - || (strpos(mb_convert_case($l['description'], MB_CASE_LOWER, 'UTF-8'),$s) !== false) - || (strpos(mb_convert_case($l['url'], MB_CASE_LOWER, 'UTF-8'),$s) !== false) - || (strpos(mb_convert_case($l['tags'], MB_CASE_LOWER, 'UTF-8'),$s) !== false); - if ($found) $filtered[$l['linkdate']] = $l; - } - krsort($filtered); - return $filtered; - } - - // Filter by tag. - // You can specify one or more tags (tags can be separated by space or comma). - // e.g. print_r($mydb->filterTags('linux programming')); - public function filterTags($tags,$casesensitive=false) - { - // Same as above, we use UTF-8 conversion to handle various graphemes (i.e. cyrillic, or greek) - // TODO: is $casesensitive ever true ? - $t = str_replace(',',' ',($casesensitive?$tags:mb_convert_case($tags, MB_CASE_LOWER, 'UTF-8'))); - $searchtags=explode(' ',$t); - $filtered=array(); - foreach($this->links as $l) - { - $linktags = explode(' ',($casesensitive?$l['tags']:mb_convert_case($l['tags'], MB_CASE_LOWER, 'UTF-8'))); - if (count(array_intersect($linktags,$searchtags)) == count($searchtags)) - $filtered[$l['linkdate']] = $l; - } - krsort($filtered); - return $filtered; - } - - // Filter by day. Day must be in the form 'YYYYMMDD' (e.g. '20120125') - // Sort order is: older articles first. - // e.g. print_r($mydb->filterDay('20120125')); - public function filterDay($day) - { - $filtered=array(); - foreach($this->links as $l) - { - if (startsWith($l['linkdate'],$day)) $filtered[$l['linkdate']] = $l; - } - ksort($filtered); - return $filtered; - } - // Filter by smallHash. - // Only 1 article is returned. - public function filterSmallHash($smallHash) - { - $filtered=array(); - foreach($this->links as $l) - { - if ($smallHash==smallHash($l['linkdate'])) // Yes, this is ugly and slow - { - $filtered[$l['linkdate']] = $l; - return $filtered; - } - } - return $filtered; - } - - // Returns the list of all tags - // Output: associative array key=tags, value=0 - public function allTags() - { - $tags=array(); - foreach($this->links as $link) - foreach(explode(' ',$link['tags']) as $tag) - if (!empty($tag)) $tags[$tag]=(empty($tags[$tag]) ? 1 : $tags[$tag]+1); - arsort($tags); // Sort tags by usage (most used tag first) - return $tags; - } - - // Returns the list of days containing articles (oldest first) - // Output: An array containing days (in format YYYYMMDD). - public function days() - { - $linkdays=array(); - foreach(array_keys($this->links) as $day) - { - $linkdays[substr($day,0,8)]=0; - } - $linkdays=array_keys($linkdays); - sort($linkdays); - return $linkdays; - } -} - // ------------------------------------------------------------------------------------------ // Output the last N links in RSS 2.0 format. function showRSS() @@ -927,32 +713,46 @@ function showRSS() // Cache system $query = $_SERVER["QUERY_STRING"]; - $cache = new pageCache(pageUrl(),startsWith($query,'do=rss') && !isLoggedIn()); - $cached = $cache->cachedVersion(); if (!empty($cached)) { echo $cached; exit; } + $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(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if user it not logged in). + $LINKSDB = new LinkDB( + $GLOBALS['config']['DATASTORE'], + isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'], + $GLOBALS['config']['HIDE_PUBLIC_LINKS'] + ); + // Read links from database (and filter private links if user it not logged in). // Optionally filter the results: $linksToDisplay=array(); if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']); - elseif (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags'])); + else if (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags'])); else $linksToDisplay = $LINKSDB; + $nblinksToDisplay = 50; // Number of links to display. if (!empty($_GET['nb'])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links. { $nblinksToDisplay = $_GET['nb']=='all' ? count($linksToDisplay) : max($_GET['nb']+0,1) ; } - $pageaddr=htmlspecialchars(indexUrl()); + $pageaddr=escape(index_url($_SERVER)); echo ''; - echo ''.htmlspecialchars($GLOBALS['title']).''.$pageaddr.''; + echo ''.$GLOBALS['title'].''.$pageaddr.''; echo 'Shared linksen-en'.$pageaddr.''."\n\n"; if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) { echo ''; - echo ''; - echo ''; + echo ''; + echo ''; echo ''; } $i=0; @@ -962,16 +762,16 @@ function showRSS() $link = $linksToDisplay[$keys[$i]]; $guid = $pageaddr.'?'.smallHash($link['linkdate']); $rfc822date = linkdate2rfc822($link['linkdate']); - $absurl = htmlspecialchars($link['url']); + $absurl = $link['url']; if (startsWith($absurl,'?')) $absurl=$pageaddr.$absurl; // make permalink URL absolute if ($usepermalinks===true) - echo ''.htmlspecialchars($link['title']).''.$guid.''.$guid.''; + echo ''.$link['title'].''.$guid.''.$guid.''; else - echo ''.htmlspecialchars($link['title']).''.$guid.''.$absurl.''; - if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) echo ''.htmlspecialchars($rfc822date)."\n"; + echo ''.$link['title'].''.$guid.''.$absurl.''; + if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) echo ''.escape($rfc822date)."\n"; if ($link['tags']!='') // Adding tags to each RSS entry (as mentioned in RSS specification) { - foreach(explode(' ',$link['tags']) as $tag) { echo ''.htmlspecialchars($tag).''."\n"; } + foreach(explode(' ',$link['tags']) as $tag) { echo ''.$tag.''."\n"; } } // Add permalink in description @@ -979,10 +779,10 @@ function showRSS() // 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"; + echo ''."\n
\n"; $i++; } - echo '
'; + echo ''; $cache->cache(ob_get_contents()); ob_end_flush(); @@ -1001,25 +801,38 @@ function showATOM() // Cache system $query = $_SERVER["QUERY_STRING"]; - $cache = new pageCache(pageUrl(),startsWith($query,'do=atom') && !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(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in). + $cache = new CachedPage( + $GLOBALS['config']['PAGECACHE'], + page_url($_SERVER), + startsWith($query,'do=atom') && !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']['OPEN_SHAARLI'], + $GLOBALS['config']['HIDE_PUBLIC_LINKS'] + ); // Optionally filter the results: $linksToDisplay=array(); if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']); - elseif (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags'])); + else if (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags'])); else $linksToDisplay = $LINKSDB; + $nblinksToDisplay = 50; // Number of links to display. if (!empty($_GET['nb'])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links. { $nblinksToDisplay = $_GET['nb']=='all' ? count($linksToDisplay) : max($_GET['nb']+0,1) ; } - $pageaddr=htmlspecialchars(indexUrl()); + $pageaddr=escape(index_url($_SERVER)); $latestDate = ''; $entries=''; $i=0; @@ -1030,44 +843,44 @@ function showATOM() $guid = $pageaddr.'?'.smallHash($link['linkdate']); $iso8601date = linkdate2iso8601($link['linkdate']); $latestDate = max($latestDate,$iso8601date); - $absurl = htmlspecialchars($link['url']); + $absurl = $link['url']; if (startsWith($absurl,'?')) $absurl=$pageaddr.$absurl; // make permalink URL absolute - $entries.=''.htmlspecialchars($link['title']).''; + $entries.=''.$link['title'].''; if ($usepermalinks===true) $entries.=''.$guid.''; else $entries.=''.$guid.''; - if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) $entries.=''.htmlspecialchars($iso8601date).''; + if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) $entries.=''.escape($iso8601date).''; // Add permalink in description - $descriptionlink = htmlspecialchars('(Permalink)'); + $descriptionlink = '(Permalink)'; // If user wants permalinks first, put the final link in description - if ($usepermalinks===true) $descriptionlink = htmlspecialchars('(Link)'); - if (strlen($link['description'])>0) $descriptionlink = '<br>'.$descriptionlink; + if ($usepermalinks===true) $descriptionlink = '(Link)'; + if (strlen($link['description'])>0) $descriptionlink = '
'.$descriptionlink; - $entries.=''.htmlspecialchars(nl2br(keepMultipleSpaces(text2clickable(htmlspecialchars($link['description']))))).$descriptionlink."\n"; + $entries.='\n"; if ($link['tags']!='') // Adding tags to each ATOM entry (as mentioned in ATOM specification) { foreach(explode(' ',$link['tags']) as $tag) - { $entries.=''."\n"; } + { $entries.=''."\n"; } } $entries.="
\n"; $i++; } $feed=''; - $feed.=''.htmlspecialchars($GLOBALS['title']).''; - if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) $feed.=''.htmlspecialchars($latestDate).''; - $feed.=''; + $feed.=''.$GLOBALS['title'].''; + if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) $feed.=''.escape($latestDate).''; + $feed.=''; if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) { $feed.=''; - $feed.=''; + $feed.=''; $feed.=''; } - $feed.=''.htmlspecialchars($pageaddr).''.htmlspecialchars($pageaddr).''; - $feed.=''.htmlspecialchars($pageaddr).''."\n\n"; // Yes, I know I should use a real IRI (RFC3987), but the site URL will do. + $feed.=''.$pageaddr.''.$pageaddr.''; + $feed.=''.$pageaddr.''."\n\n"; // Yes, I know I should use a real IRI (RFC3987), but the site URL will do. $feed.=$entries; - $feed.=''; + $feed.=''; echo $feed; $cache->cache(ob_get_contents()); @@ -1079,72 +892,100 @@ function showATOM() // 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() -{ +function showDailyRSS() { // Cache system $query = $_SERVER["QUERY_STRING"]; - $cache = new pageCache(pageUrl(),startsWith($query,'do=dailyrss') && !isLoggedIn()); - $cached = $cache->cachedVersion(); if (!empty($cached)) { echo $cached; exit; } + $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: - $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in). + // Read links from database (and filter private links if used it not logged in). + $LINKSDB = new LinkDB( + $GLOBALS['config']['DATASTORE'], + isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'], + $GLOBALS['config']['HIDE_PUBLIC_LINKS'] + ); /* Some Shaarlies may have very few links, so we need to look back in time (rsort()) until we have enough days ($nb_of_days). */ - $linkdates=array(); foreach($LINKSDB as $linkdate=>$value) { $linkdates[]=$linkdate; } + $linkdates = array(); + foreach ($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; + $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) > $nb_of_days) { + break; // Have we collected enough days? } - if (count($days)>$nb_of_days) break; // Have we collected enough days? } // Build the RSS feed. header('Content-Type: application/rss+xml; charset=utf-8'); - $pageaddr=htmlspecialchars(indexUrl()); + $pageaddr = escape(index_url($_SERVER)); echo ''; - echo 'Daily - '.htmlspecialchars($GLOBALS['title']).''.$pageaddr.''; - echo 'Daily shared linksen-en'.$pageaddr.''."\n"; - - foreach($days as $day=>$linkdates) // For each day. - { - $daydate = utf8_encode(strftime('%A %d, %B %Y',linkdate2timestamp($day.'_000000'))); // Full text date + 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) { + $daydate = linkdate2timestamp($day.'_000000'); // Full text date $rfc822date = linkdate2rfc822($day.'_000000'); - $absurl=htmlspecialchars(indexUrl().'?do=daily&day='.$day); // Absolute URL of the corresponding "Daily" page. - echo ''.htmlspecialchars($GLOBALS['title'].' - '.$daydate).''.$absurl.''.$absurl.''; - echo ''.htmlspecialchars($rfc822date).""; + $absurl = escape(index_url($_SERVER).'?do=daily&day='.$day); // Absolute URL of the corresponding "Daily" page. // Build the HTML body of this RSS entry. - $html=''; - $href=''; - $links=array(); + $html = ''; + $href = ''; + $links = array(); + // We pre-format some fields for proper output. - foreach($linkdates as $linkdate) - { + foreach ($linkdates as $linkdate) { $l = $LINKSDB[$linkdate]; - $l['formatedDescription']=nl2br(keepMultipleSpaces(text2clickable(htmlspecialchars($l['description'])))); + $l['formatedDescription'] = nl2br(keepMultipleSpaces(text2clickable($l['description']))); $l['thumbnail'] = thumbnail($l['url']); $l['timestamp'] = linkdate2timestamp($l['linkdate']); - if (startsWith($l['url'],'?')) $l['url']=indexUrl().$l['url']; // make permalink URL absolute - $links[$linkdate]=$l; + if (startsWith($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; - $tpl->assign('links',$links); - $html = $tpl->draw('dailyrss',$return_string=true); - echo "\n"; - echo ''."\n\n\n"; + $tpl->assign('title', $GLOBALS['title']); + $tpl->assign('daydate', $daydate); + $tpl->assign('absurl', $absurl); + $tpl->assign('links', $links); + $tpl->assign('rfc822date', escape($rfc822date)); + $html = $tpl->draw('dailyrss', $return_string=true); + echo $html . PHP_EOL; } - echo ''; + echo ''; $cache->cache(ob_get_contents()); ob_end_flush(); @@ -1154,31 +995,41 @@ function showDailyRSS() // "Daily" page. function showDaily() { - $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in). - + $LINKSDB = new LinkDB( + $GLOBALS['config']['DATASTORE'], + isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'], + $GLOBALS['config']['HIDE_PUBLIC_LINKS'] + ); $day=Date('Ymd',strtotime('-1 day')); // Yesterday, in format YYYYMMDD. if (isset($_GET['day'])) $day=$_GET['day']; $days = $LINKSDB->days(); $i = array_search($day,$days); - if ($i==false) { $i=count($days)-1; $day=$days[$i]; } + if ($i===false) { $i=count($days)-1; $day=$days[$i]; } $previousday=''; $nextday=''; if ($i!==false) { - if ($i>1) $previousday=$days[$i-1]; + if ($i>=1) $previousday=$days[$i-1]; if ($ifilterDay($day); + try { + $linksToDisplay = $LINKSDB->filterDay($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']=nl2br(keepMultipleSpaces(text2clickable(htmlspecialchars($link['description'])))); + $linksToDisplay[$key]['formatedDescription']=nl2br(keepMultipleSpaces(text2clickable($link['description']))); $linksToDisplay[$key]['thumbnail'] = thumbnail($link['url']); $linksToDisplay[$key]['timestamp'] = linkdate2timestamp($link['linkdate']); } @@ -1205,58 +1056,102 @@ function showDaily() $fill[$index]+=$length; } $PAGE = new pageBuilder; - $PAGE->assign('linksToDisplay',$linksToDisplay); - $PAGE->assign('linkcount',count($LINKSDB)); - $PAGE->assign('cols', $columns); - $PAGE->assign('day',utf8_encode(strftime('%A %d, %B %Y',linkdate2timestamp($day.'_000000')))); - $PAGE->assign('previousday',$previousday); - $PAGE->assign('nextday',$nextday); + $data = array( + 'linksToDisplay' => $linksToDisplay, + 'linkcount' => count($LINKSDB), + 'cols' => $columns, + 'day' => linkdate2timestamp($day.'_000000'), + 'previousday' => $previousday, + 'nextday' => $nextday, + ); + $pluginManager = PluginManager::getInstance(); + $pluginManager->executeHooks('render_daily', $data, array('loggedin' => isLoggedIn())); + + foreach ($data as $key => $value) { + $PAGE->assign($key, $value); + } + $PAGE->renderPage('daily'); exit; } +// Renders the linklist +function showLinkList($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(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in). + $LINKSDB = new LinkDB( + $GLOBALS['config']['DATASTORE'], + isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'], + $GLOBALS['config']['HIDE_PUBLIC_LINKS'] + ); + + $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( + 'header', + 'footer', + 'includes', + ); + $pluginManager = PluginManager::getInstance(); + foreach($common_hooks as $name) { + $plugin_data = array(); + $pluginManager->executeHooks('render_' . $name, $plugin_data, + array( + 'target' => $targetPage, + 'loggedin' => isLoggedIn() + ) + ); + $PAGE->assign('plugins_' . $name, $plugin_data); + } // -------- Display login form. - if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=login')) + if ($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 = new pageBuilder; $PAGE->assign('token',$token); - $PAGE->assign('returnurl',(isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER']:'')); + $PAGE->assign('returnurl',(isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']):'')); $PAGE->renderPage('loginform'); exit; } // -------- User wants to logout. if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=logout')) { - invalidateCaches(); + invalidateCaches($GLOBALS['config']['PAGECACHE']); logout(); header('Location: ?'); exit; } // -------- Picture wall - if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=picwall')) + if ($targetPage == Router::$PAGE_PICWALL) { // Optionally filter the results: $links=array(); if (!empty($_GET['searchterm'])) $links = $LINKSDB->filterFulltext($_GET['searchterm']); elseif (!empty($_GET['searchtags'])) $links = $LINKSDB->filterTags(trim($_GET['searchtags'])); else $links = $LINKSDB; + $body=''; $linksToDisplay=array(); // Get only links which have a thumbnail. foreach($links as $link) { - $permalink='?'.htmlspecialchars(smallhash($link['linkdate']),ENT_QUOTES); + $permalink='?'.escape(smallhash($link['linkdate'])); $thumb=lazyThumbnail($link['url'],$permalink); if ($thumb!='') // Only output links which have a thumbnail. { @@ -1264,17 +1159,26 @@ function renderPage() $linksToDisplay[]=$link; // Add to array. } } - $PAGE = new pageBuilder; - $PAGE->assign('linkcount',count($LINKSDB)); - $PAGE->assign('linksToDisplay',$linksToDisplay); + + $data = array( + 'linkcount' => count($LINKSDB), + 'linksToDisplay' => $linksToDisplay, + ); + $pluginManager->executeHooks('render_picwall', $data, array('loggedin' => isLoggedIn())); + + foreach ($data as $key => $value) { + $PAGE->assign($key, $value); + } + $PAGE->renderPage('picwall'); exit; } // -------- Tag cloud - if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=tagcloud')) + if ($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 $key=>$value) $maxcount=max($maxcount,$value); @@ -1285,9 +1189,17 @@ function renderPage() { $tagList[$key] = array('count'=>$value,'size'=>log($value, 15) / log($maxcount, 30) * (22-6) + 6); } - $PAGE = new pageBuilder; - $PAGE->assign('linkcount',count($LINKSDB)); - $PAGE->assign('tags',$tagList); + + $data = array( + 'linkcount' => count($LINKSDB), + 'tags' => $tagList, + ); + $pluginManager->executeHooks('render_tagcloud', $data, array('loggedin' => isLoggedIn())); + + foreach ($data as $key => $value) { + $PAGE->assign($key, $value); + } + $PAGE->renderPage('tagcloud'); exit; } @@ -1299,9 +1211,18 @@ function renderPage() if (empty($_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 - $current_tags = explode(' ', $params['searchtags']); + if (isset($params['searchtags'])) { + $current_tags = explode(' ', $params['searchtags']); + } else { + $current_tags = array(); + } $addtag = true; foreach ($current_tags as $value) { if ($value === $_GET['addtag']) { @@ -1323,16 +1244,29 @@ function renderPage() } // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...) - if (isset($_GET['removetag'])) - { + 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), $params); - if (isset($params['searchtags'])) - { + 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']); $tags=array_diff($tags, array($_GET['removetag'])); // Remove value from array $tags. - if (count($tags)==0) unset($params['searchtags']); else $params['searchtags'] = implode(' ',$tags); + if (count($tags)==0) { + unset($params['searchtags']); + } else { + $params['searchtags'] = implode(' ',$tags); + } 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)); @@ -1340,33 +1274,24 @@ function renderPage() } // -------- 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'])); } - // Make sure the referrer is Shaarli itself. - $referer = '?'; - if (!empty($_SERVER['HTTP_REFERER']) && strcmp(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_HOST),$_SERVER['HTTP_HOST'])==0) - $referer = $_SERVER['HTTP_REFERER']; - header('Location: '.$referer); + 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'])) - { - $_SESSION['privateonly']=1; // See only private links - } - else - { + if (isset($_GET['privateonly'])) { + if (empty($_SESSION['privateonly'])) { + $_SESSION['privateonly'] = 1; // See only private links + } else { unset($_SESSION['privateonly']); // See all links } - // Make sure the referrer is Shaarli itself. - $referer = '?'; - if (!empty($_SERVER['HTTP_REFERER']) && strcmp(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_HOST),$_SERVER['HTTP_HOST'])==0) - $referer = $_SERVER['HTTP_REFERER']; - header('Location: '.$referer); + + header('Location: '. generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('privateonly'))); exit; } @@ -1387,27 +1312,36 @@ function renderPage() header('Location: ?do=login&post='); exit; } + showLinkList($PAGE, $LINKSDB); + if (isset($_GET['edit_link'])) { + header('Location: ?do=login&edit_link='. escape($_GET['edit_link'])); + exit; + } - $PAGE = new pageBuilder; - buildLinkList($PAGE,$LINKSDB); // Compute list of links to display - $PAGE->renderPage('linklist'); exit; // Never remove this one! All operations below are reserved for logged in user. } // -------- All other functions are reserved for the registered user: // -------- Display the Tools menu if requested (import/export/bookmarklet...) - if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=tools')) + if ($targetPage == Router::$PAGE_TOOLS) { - $PAGE = new pageBuilder; - $PAGE->assign('linkcount',count($LINKSDB)); - $PAGE->assign('pageabsaddr',indexUrl()); + $data = array( + 'linkcount' => count($LINKSDB), + 'pageabsaddr' => index_url($_SERVER), + ); + $pluginManager->executeHooks('render_tools', $data); + + foreach ($data as $key => $value) { + $PAGE->assign($key, $value); + } + $PAGE->renderPage('tools'); exit; } // -------- User wants to change his/her password. - if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=changepasswd')) + if ($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'])) @@ -1420,13 +1354,24 @@ function renderPage() // 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']); - writeConfig(); + 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 = new pageBuilder; $PAGE->assign('linkcount',count($LINKSDB)); $PAGE->assign('token',getToken()); $PAGE->renderPage('changepassword'); @@ -1435,37 +1380,48 @@ function renderPage() } // -------- User wants to change configuration - if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=configure')) + if ($targetPage == Router::$PAGE_CONFIGURE) { if (!empty($_POST['title']) ) { if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away! $tz = 'UTC'; if (!empty($_POST['continent']) && !empty($_POST['city'])) - if (isTZvalid($_POST['continent'],$_POST['city'])) + if (isTimeZoneValid($_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']); - $GLOBALS['disablejquery']=!empty($_POST['disablejquery']); $GLOBALS['privateLinkByDefault']=!empty($_POST['privateLinkByDefault']); $GLOBALS['config']['ENABLE_RSS_PERMALINKS']= !empty($_POST['enableRssPermalinks']); $GLOBALS['config']['ENABLE_UPDATECHECK'] = !empty($_POST['updateCheck']); - writeConfig(); + $GLOBALS['config']['HIDE_PUBLIC_LINKS'] = !empty($_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 = new pageBuilder; $PAGE->assign('linkcount',count($LINKSDB)); $PAGE->assign('token',getToken()); - $PAGE->assign('title',htmlspecialchars( empty($GLOBALS['title']) ? '' : $GLOBALS['title'] , ENT_QUOTES)); - $PAGE->assign('redirector',htmlspecialchars( empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector'] , ENT_QUOTES)); - list($timezone_form,$timezone_js) = templateTZform($GLOBALS['timezone']); - $PAGE->assign('timezone_form',$timezone_form); // FIXME: Put entire tz form generation in template? + $PAGE->assign('title', empty($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); $PAGE->renderPage('configure'); exit; @@ -1473,11 +1429,10 @@ function renderPage() } // -------- User wants to rename a tag or delete it - if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=changetag')) + if ($targetPage == Router::$PAGE_CHANGETAG) { if (empty($_POST['fromtag'])) { - $PAGE = new pageBuilder; $PAGE->assign('linkcount',count($LINKSDB)); $PAGE->assign('token',getToken()); $PAGE->assign('tags', $LINKSDB->allTags()); @@ -1498,7 +1453,7 @@ function renderPage() $value['tags']=trim(implode(' ',$tags)); $LINKSDB[$key]=$value; } - $LINKSDB->savedb(); // Save to disk. + $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // Save to disk. echo ''; exit; } @@ -1515,16 +1470,15 @@ function renderPage() $value['tags']=trim(implode(' ',$tags)); $LINKSDB[$key]=$value; } - $LINKSDB->savedb(); // Save to disk. + $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // Save to disk. echo ''; exit; } } // -------- User wants to add a link without using the bookmarklet: Show form. - if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=addlink')) + if ($targetPage == Router::$PAGE_ADDLINK) { - $PAGE = new pageBuilder; $PAGE->assign('linkcount',count($LINKSDB)); $PAGE->renderPage('addlink'); exit; @@ -1535,6 +1489,7 @@ function renderPage() { if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away! $tags = trim(preg_replace('/\s\s+/',' ', $_POST['lf_tags'])); // Remove multiple spaces. + $tags = implode(' ', array_unique(explode(' ', $tags))); // Remove duplicates. $linkdate=$_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:')) @@ -1542,16 +1497,23 @@ function renderPage() $link = array('title'=>trim($_POST['lf_title']),'url'=>$url,'description'=>trim($_POST['lf_description']),'private'=>(isset($_POST['lf_private']) ? 1 : 0), 'linkdate'=>$linkdate,'tags'=>str_replace(',',' ',$tags)); if ($link['title']=='') $link['title']=$link['url']; // If title is empty, use the URL as title. + + $pluginManager->executeHooks('save_link', $link); + $LINKSDB[$linkdate] = $link; - $LINKSDB->savedb(); // Save to disk. + $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // Save to disk. pubsubhub(); // If we are called from the bookmarklet, we must close the popup: - if (isset($_GET['source']) && $_GET['source']=='bookmarklet') { echo ''; exit; } - $returnurl = ( isset($_POST['returnurl']) ? $_POST['returnurl'] : '?' ); - $returnurl .= '#'.smallHash($linkdate); // Scroll to the link which has been edited. - if (strstr($returnurl, "do=addlink")) { $returnurl = '?'; } //if we come from ?do=addlink, set returnurl to homepage instead - header('Location: '.$returnurl); // After saving the link, redirect to the page the user was on. + if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { + echo ''; + exit; + } + + $returnurl = !empty($_POST['returnurl']) ? escape($_POST['returnurl']): '?'; + $location = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link')); + $location .= '#'.smallHash($_POST['lf_linkdate']); // Scroll to the link which has been edited. + header('Location: '. $location); // After saving the link, redirect to the page the user was on. exit; } @@ -1559,9 +1521,10 @@ function renderPage() if (isset($_POST['cancel_edit'])) { // If we are called from the bookmarklet, we must close the popup: - if (isset($_GET['source']) && $_GET['source']=='bookmarklet') { echo ''; exit; } + if (isset($_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; } @@ -1574,11 +1537,14 @@ function renderPage() // - 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(); // save to disk + $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // save to disk // If we are called from the bookmarklet, we must close the popup: - if (isset($_GET['source']) && $_GET['source']=='bookmarklet') { echo ''; exit; } + if (isset($_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 @@ -1586,7 +1552,7 @@ function renderPage() // Cases: // - / : nothing in $_GET, redirect to self // - /?page : redirect to self - // - /?searchterm : redirect to self (there might be other links) + // - /?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) @@ -1594,18 +1560,15 @@ function renderPage() // redirect is not satisfied, and only then redirect to / $location = "?"; // Self redirection - if (count($_GET) == 0 || - isset($_GET['page']) || - isset($_GET['searchterm']) || - isset($_GET['searchtags'])) { - + if (count($_GET) == 0 + || isset($_GET['page']) + || isset($_GET['searchterm']) + || isset($_GET['searchtags']) + ) { if (isset($_POST['returnurl'])) { $location = $_POST['returnurl']; // Handle redirects given by the form - } - - if ($location === "?" && - isset($_SERVER['HTTP_REFERER'])) { // Handle HTTP_REFERER in case we're not coming from the same place. - $location = $_SERVER['HTTP_REFERER']; + } else { + $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('delete_link')); } } @@ -1618,95 +1581,107 @@ function renderPage() { $link = $LINKSDB[$_GET['edit_link']]; // Read database if (!$link) { header('Location: ?'); exit; } // Link not found in database. - $PAGE = new pageBuilder; - $PAGE->assign('linkcount',count($LINKSDB)); - $PAGE->assign('link',$link); - $PAGE->assign('link_is_new',false); - $PAGE->assign('token',getToken()); // XSRF protection. - $PAGE->assign('http_referer',(isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '')); - $PAGE->assign('tags', $LINKSDB->allTags()); + $data = array( + 'linkcount' => count($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'])) - { - $url=$_GET['post']; - - - // We remove the annoying parameters added by FeedBurner, GoogleFeedProxy, Facebook... - $annoyingpatterns = array('/[\?&]utm_source=[^&]*/', '/[\?&]utm_campaign=[^&]*/', '/[\?&]utm_medium=[^&]*/', '/#xtor=RSS-[^&]*/', '/[\?&]fb_[^&]*/', '/[\?&]__scoop[^&]*/', '/#tk\.rss_all\?/', '/[\?&]action_ref_map=[^&]*/', '/[\?&]action_type_map=[^&]*/', '/[\?&]action_object_map=[^&]*/'); - foreach($annoyingpatterns as $pattern) - { - $url = preg_replace($pattern, "", $url); - } + if (isset($_GET['post'])) { + $url = cleanup_url($_GET['post']); $link_is_new = false; - $link = $LINKSDB->getLinkFromUrl($url); // Check if URL is not already in database (in this case, we will edit the existing link) + // 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; // This is a new link + $link_is_new = true; $linkdate = strval(date('Ymd_His')); - $title = (empty($_GET['title']) ? '' : $_GET['title'] ); // Get title if it was provided in URL (by the bookmarklet). - $description = (empty($_GET['description']) ? '' : $_GET['description']); // Get description if it was provided in URL (by the bookmarklet). [Bronco added that] - $tags = (empty($_GET['tags']) ? '' : $_GET['tags'] ); // Get tags if it was provided in URL - $private = (!empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0); // Get private if it was provided in URL - if (($url!='') && parse_url($url,PHP_URL_SCHEME)=='') $url = 'http://'.$url; - // If this is an HTTP link, we try go get the page to extract the title (otherwise we will to straight to the edit form.) - if (empty($title) && parse_url($url,PHP_URL_SCHEME)=='http') - { - list($status,$headers,$data) = getHTTP($url,4); // Short timeout to keep the application responsive. + // Get title if it was provided in URL (by the bookmarklet). + $title = (empty($_GET['title']) ? '' : $_GET['title'] ); + // Get description if it was provided in URL (by the bookmarklet). [Bronco added that] + $description = (empty($_GET['description']) ? '' : $_GET['description']); + $tags = (empty($_GET['tags']) ? '' : $_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, $data) = get_http_url($url, 4); // FIXME: Decode charset according to specified in either 1) HTTP response headers or 2) in html - if (strpos($status,'200 OK')!==false) - { - // Look for charset in html header. - preg_match('##Usi', $data, $meta); - - // If found, extract encoding. - if (!empty($meta[0])) - { - // Get encoding specified in header. - preg_match('#charset="?(.*)"#si', $meta[0], $enc); - // If charset not found, use utf-8. - $html_charset = (!empty($enc[1])) ? strtolower($enc[1]) : 'utf-8'; - } - else { $html_charset = 'utf-8'; } - - // Extract title - $title = html_extract_title($data); - if (!empty($title)) - { - // Re-encode title in utf-8 if necessary. - $title = ($html_charset == 'iso-8859-1') ? utf8_encode($title) : $title; - } - } + if (strpos($headers[0], '200 OK') !== false) { + // Look for charset in html header. + preg_match('##Usi', $data, $meta); + + // If found, extract encoding. + if (!empty($meta[0])) { + // Get encoding specified in header. + preg_match('#charset="?(.*)"#si', $meta[0], $enc); + // If charset not found, use utf-8. + $html_charset = (!empty($enc[1])) ? strtolower($enc[1]) : 'utf-8'; + } + else { + $html_charset = 'utf-8'; + } + + // Extract title + $title = html_extract_title($data); + if (!empty($title)) { + // Re-encode title in utf-8 if necessary. + $title = ($html_charset == 'iso-8859-1') ? utf8_encode($title) : $title; + } + } } - if ($url=='') // In case of empty URL, this is just a text (with a link that points to itself) - { - $url='?'.smallHash($linkdate); - $title='Note: '; + if ($url == '') { + $url = '?' . smallHash($linkdate); + $title = 'Note: '; } - $link = array('linkdate'=>$linkdate,'title'=>$title,'url'=>$url,'description'=>$description,'tags'=>$tags,'private'=>$private); + $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 = new pageBuilder; - $PAGE->assign('linkcount',count($LINKSDB)); - $PAGE->assign('link',$link); - $PAGE->assign('link_is_new',$link_is_new); - $PAGE->assign('token',getToken()); // XSRF protection. - $PAGE->assign('http_referer',(isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '')); - $PAGE->assign('tags', $LINKSDB->allTags()); $PAGE->renderPage('editlink'); exit; } // -------- Export as Netscape Bookmarks HTML file. - if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=export')) + if ($targetPage == Router::$PAGE_EXPORT) { if (empty($_GET['what'])) { - $PAGE = new pageBuilder; $PAGE->assign('linkcount',count($LINKSDB)); $PAGE->renderPage('export'); exit; @@ -1733,10 +1708,10 @@ HTML; ($exportWhat=='private' && $link['private']!=0) || ($exportWhat=='public' && $link['private']==0)) { - echo '
'.htmlspecialchars($link['title'])."\n"; - if ($link['description']!='') echo '
'.htmlspecialchars($link['description'])."\n"; + echo '
'.$link['title']."\n"; + if ($link['description']!='') echo '
'.$link['description']."\n"; } } exit; @@ -1749,7 +1724,7 @@ HTML; if (!isset($_POST['token']) || (!isset($_FILES)) || (isset($_FILES['filetoupload']['size']) && $_FILES['filetoupload']['size']==0)) { $returnurl = ( empty($_SERVER['HTTP_REFERER']) ? '?' : $_SERVER['HTTP_REFERER'] ); - echo ''; + echo ''; exit; } if (!tokenOk($_POST['token'])) die('Wrong token.'); @@ -1758,9 +1733,8 @@ HTML; } // -------- Show upload/import dialog: - if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=import')) + if ($targetPage == Router::$PAGE_IMPORT) { - $PAGE = new pageBuilder; $PAGE->assign('linkcount',count($LINKSDB)); $PAGE->assign('token',getToken()); $PAGE->assign('maxfilesize',getMaxFileSize()); @@ -1769,10 +1743,7 @@ HTML; } // -------- Otherwise, simply display search form and links: - $PAGE = new pageBuilder; - $PAGE->assign('linkcount',count($LINKSDB)); - buildLinkList($PAGE,$LINKSDB); // Compute list of links to display - $PAGE->renderPage('linklist'); + showLinkList($PAGE, $LINKSDB); exit; } @@ -1781,7 +1752,11 @@ HTML; function importFile() { if (!(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'])) { die('Not allowed.'); } - $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in). + $LINKSDB = new LinkDB( + $GLOBALS['config']['DATASTORE'], + isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'], + $GLOBALS['config']['HIDE_PUBLIC_LINKS'] + ); $filename=$_FILES['filetoupload']['name']; $filesize=$_FILES['filetoupload']['size']; $data=file_get_contents($_FILES['filetoupload']['tmp_name']); @@ -1851,7 +1826,7 @@ function importFile() } } } - $LINKSDB->savedb(); + $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); echo ''; } @@ -1873,13 +1848,13 @@ function buildLinkList($PAGE,$LINKSDB) if (isset($_GET['searchterm'])) // Fulltext search { $linksToDisplay = $LINKSDB->filterFulltext(trim($_GET['searchterm'])); - $search_crits=htmlspecialchars(trim($_GET['searchterm'])); + $search_crits=escape(trim($_GET['searchterm'])); $search_type='fulltext'; } elseif (isset($_GET['searchtags'])) // Search by tag { $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags'])); - $search_crits=explode(' ',trim($_GET['searchtags'])); + $search_crits=explode(' ',escape(trim($_GET['searchtags']))); $search_type='tags'; } elseif (isset($_SERVER['QUERY_STRING']) && preg_match('/[a-zA-Z0-9-_@]{6}(&.+?)?/',$_SERVER['QUERY_STRING'])) // Detect smallHashes in URL @@ -1889,7 +1864,7 @@ function buildLinkList($PAGE,$LINKSDB) { header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found"); echo '

404 Not found.

Oh crap. The link you are trying to reach does not exist or has been deleted.'; - echo '
You would mind clicking here?'; + echo '
Would you mind clicking here?'; exit; } $search_type='permalink'; @@ -1897,6 +1872,7 @@ function buildLinkList($PAGE,$LINKSDB) else $linksToDisplay = $LINKSDB; // Otherwise, display without filtering. + // Option: Show only private links if (!empty($_SESSION['privateonly'])) { @@ -1930,7 +1906,7 @@ function buildLinkList($PAGE,$LINKSDB) while ($i<$end && $iassign('linkcount',count($LINKSDB)); - $PAGE->assign('previous_page_url',$previous_page_url); - $PAGE->assign('next_page_url',$next_page_url); - $PAGE->assign('page_current',$page); - $PAGE->assign('page_max',$pagecount); - $PAGE->assign('result_count',count($linksToDisplay)); - $PAGE->assign('search_type',$search_type); - $PAGE->assign('search_crits',$search_crits); - $PAGE->assign('redirector',empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector']); // Optional redirector URL. - $PAGE->assign('token',$token); - $PAGE->assign('links',$linkDisp); + $data = array( + 'linkcount' => count($LINKSDB), + 'previous_page_url' => $previous_page_url, + 'next_page_url' => $next_page_url, + 'page_current' => $page, + 'page_max' => $pagecount, + 'result_count' => count($linksToDisplay), + 'search_type' => $search_type, + 'search_crits' => $search_crits, + 'redirector' => empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector'], // Optional redirector URL. + 'token' => $token, + 'links' => $linkDisp, + 'tags' => $LINKSDB->allTags(), + ); + + $pluginManager = PluginManager::getInstance(); + $pluginManager->executeHooks('render_linklist', $data, array('loggedin' => isLoggedIn())); + + foreach ($data as $key => $value) { + $PAGE->assign($key, $value); + } + return; } @@ -2075,7 +2062,7 @@ function computeThumbnail($url,$href=false) if ("/talks/" !== substr($path,0,7)) return array(); // This is not a single video URL. } $sign = hash_hmac('sha256', $url, $GLOBALS['salt']); // We use the salt to sign data (it's random, secret, and specific to each installation) - return array('src'=>indexUrl().'?do=genthumbnail&hmac='.htmlspecialchars($sign).'&url='.urlencode($url), + return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url), 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail'); } @@ -2086,7 +2073,7 @@ function computeThumbnail($url,$href=false) if ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif') { $sign = hash_hmac('sha256', $url, $GLOBALS['salt']); // We use the salt to sign data (it's random, secret, and specific to each installation) - return array('src'=>indexUrl().'?do=genthumbnail&hmac='.htmlspecialchars($sign).'&url='.urlencode($url), + return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url), 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail'); } return array(); // No thumbnail. @@ -2105,11 +2092,11 @@ function thumbnail($url,$href=false) $t = computeThumbnail($url,$href); if (count($t)==0) return ''; // Empty array = no thumbnail for this URL. - $html=''; + $html=''; // Lazy image - $html.='getMessage() + ); + + // TODO: do not handle exceptions/errors in JS. + echo ''; + exit; + } echo ''; exit; } // Display config form: - list($timezone_form,$timezone_js) = templateTZform(); - $timezone_html=''; if ($timezone_form!='') $timezone_html='Timezone:'.$timezone_form.''; + list($timezone_form, $timezone_js) = generateTimeZoneForm(); + $timezone_html = ''; + if ($timezone_form != '') { + $timezone_html = 'Timezone:'.$timezone_form.''; + } $PAGE = new pageBuilder; $PAGE->assign('timezone_html',$timezone_html); @@ -2209,67 +2213,6 @@ function install() exit; } -// Generates the timezone selection form and JavaScript. -// Input: (optional) current timezone (can be 'UTC/UTC'). It will be pre-selected. -// Output: array(html,js) -// Example: list($htmlform,$js) = templateTZform('Europe/Paris'); // Europe/Paris pre-selected. -// Returns array('','') if server does not support timezones list. (e.g. PHP 5.1 on free.fr) -function templateTZform($ptz=false) -{ - if (function_exists('timezone_identifiers_list')) // because of old PHP version (5.1) which can be found on free.fr - { - // Try to split the provided timezone. - if ($ptz==false) { $l=timezone_identifiers_list(); $ptz=$l[0]; } - $spos=strpos($ptz,'/'); $pcontinent=substr($ptz,0,$spos); $pcity=substr($ptz,$spos+1); - - // Display config form: - $timezone_form = ''; - $timezone_js = ''; - // The list is in the form "Europe/Paris", "America/Argentina/Buenos_Aires"... - // We split the list in continents/cities. - $continents = array(); - $cities = array(); - foreach(timezone_identifiers_list() as $tz) - { - if ($tz=='UTC') $tz='UTC/UTC'; - $spos = strpos($tz,'/'); - if ($spos!==false) - { - $continent=substr($tz,0,$spos); $city=substr($tz,$spos+1); - $continents[$continent]=1; - if (!isset($cities[$continent])) $cities[$continent]=''; - $cities[$continent].=''; - } - } - $continents_html = ''; - $continents = array_keys($continents); - foreach($continents as $continent) - $continents_html.=''; - $cities_html = $cities[$pcontinent]; - $timezone_form = "Continent: "; - $timezone_form .= "    City:
"; - $timezone_js = "" ; - return array($timezone_form,$timezone_js); - } - return array('',''); -} - -// Tells if a timezone is valid or not. -// If not valid, returns false. -// If system does not support timezone list, returns false. -function isTZvalid($continent,$city) -{ - $tz = $continent.'/'.$city; - if (function_exists('timezone_identifiers_list')) // because of old PHP version (5.1) which can be found on free.fr - { - if (in_array($tz, timezone_identifiers_list())) // it's a valid timezone? - return true; - } - return false; -} if (!function_exists('json_encode')) { function json_encode($data) { switch ($type = gettype($data)) { @@ -2307,29 +2250,7 @@ if (!function_exists('json_encode')) { } } -// Re-write configuration file according to globals. -// Requires some $GLOBALS to be set (login,hash,salt,title). -// If the config file cannot be saved, an error message is displayed and the user is redirected to "Tools" menu. -// (otherwise, the function simply returns.) -function writeConfig() -{ - if (is_file($GLOBALS['config']['CONFIG_FILE']) && !isLoggedIn()) die('You are not authorized to alter config.'); // Only logged in user can alter config. - $config=''; - if (!file_put_contents($GLOBALS['config']['CONFIG_FILE'],$config) || strcmp(file_get_contents($GLOBALS['config']['CONFIG_FILE']),$config)!=0) - { - echo ''; - exit; - } -} + /* Because some f*cking services like flickr require an extra HTTP request to get the thumbnail URL, I have deported the thumbnail URL code generation here, otherwise this would slow down page generation. @@ -2381,8 +2302,9 @@ function genThumbnail() } else // This is a flickr page (html) { - list($httpstatus,$headers,$data) = getHTTP($url,20); // Get the flickr html page. - if (strpos($httpstatus,'200 OK')!==false) + // Get the flickr html page. + list($headers, $data) = get_http_url($url, 20); + if (strpos($headers[0], '200 OK') !== false) { // flickr now nicely provides the URL of the thumbnail in each flickr page. preg_match('! tag on that page // http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html // - list($httpstatus,$headers,$data) = getHTTP($url,5); - if (strpos($httpstatus,'200 OK')!==false) - { + list($headers, $data) = get_http_url($url, 5); + if (strpos($headers[0], '200 OK') !== false) { // Extract the link to the thumbnail preg_match('!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!',$data,$matches); if (!empty($matches[1])) { // Let's download the image. $imageurl=$matches[1]; - list($httpstatus,$headers,$data) = getHTTP($imageurl,20); // No control on image size, so wait long enough. - if (strpos($httpstatus,'200 OK')!==false) - { + // No control on image size, so wait long enough + list($headers, $data) = get_http_url($imageurl, 20); + if (strpos($headers[0], '200 OK') !== false) { $filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname; file_put_contents($filepath,$data); // Save image to cache. if (resizeImage($filepath)) @@ -2468,17 +2387,16 @@ function genThumbnail() // There is no thumbnail available for xkcd comics, so download the whole image and resize it. // http://xkcd.com/327/ // <BLABLA> - list($httpstatus,$headers,$data) = getHTTP($url,5); - if (strpos($httpstatus,'200 OK')!==false) - { + list($headers, $data) = get_http_url($url, 5); + if (strpos($headers[0], '200 OK') !== false) { // Extract the link to the thumbnail preg_match('!