7fde6de121
All plugins can optionally add an init function named `pluginname_init()` which is called when the plugin is loaded. This function is aware of the config, and can return initialization errors, which are displayed in the header template. Note that the previous error system hack no longer work.
2209 lines
87 KiB
PHP
2209 lines
87 KiB
PHP
<?php
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/**
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* Shaarli v0.8.0 - Shaare your links...
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*
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* The personal, minimalist, super-fast, database free, bookmarking service.
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*
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* Friendly fork by the Shaarli community:
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* - https://github.com/shaarli/Shaarli
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*
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* Original project by sebsauvage.net:
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* - http://sebsauvage.net/wiki/doku.php?id=php:shaarli
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* - https://github.com/sebsauvage/Shaarli
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*
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* Licence: http://www.opensource.org/licenses/zlib-license.php
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*
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* Requires: PHP 5.3.x
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*/
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// Set 'UTC' as the default timezone if it is not defined in php.ini
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// See http://php.net/manual/en/datetime.configuration.php#ini.date.timezone
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if (date_default_timezone_get() == '') {
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date_default_timezone_set('UTC');
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}
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/*
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* PHP configuration
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*/
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define('shaarli_version', '0.8.0');
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// http://server.com/x/shaarli --> /shaarli/
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define('WEB_PATH', substr($_SERVER['REQUEST_URI'], 0, 1+strrpos($_SERVER['REQUEST_URI'], '/', 0)));
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// High execution time in case of problematic imports/exports.
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ini_set('max_input_time','60');
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// Try to set max upload file size and read
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ini_set('memory_limit', '128M');
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ini_set('post_max_size', '16M');
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ini_set('upload_max_filesize', '16M');
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// See all error except warnings
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error_reporting(E_ALL^E_WARNING);
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// See all errors (for debugging only)
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//error_reporting(-1);
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// 3rd-party libraries
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if (! file_exists(__DIR__ . '/vendor/autoload.php')) {
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header('Content-Type: text/plain; charset=utf-8');
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echo "Error: missing Composer configuration\n\n"
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."If you installed Shaarli through Git or using the development branch,\n"
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."please refer to the installation documentation to install PHP"
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." dependencies using Composer:\n"
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."- https://github.com/shaarli/Shaarli/wiki/Server-requirements\n"
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."- https://github.com/shaarli/Shaarli/wiki/Download-and-Installation";
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exit;
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}
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require_once 'inc/rain.tpl.class.php';
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require_once __DIR__ . '/vendor/autoload.php';
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// Shaarli library
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require_once 'application/ApplicationUtils.php';
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require_once 'application/Cache.php';
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require_once 'application/CachedPage.php';
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require_once 'application/config/ConfigManager.php';
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require_once 'application/config/ConfigPlugin.php';
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require_once 'application/FeedBuilder.php';
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require_once 'application/FileUtils.php';
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require_once 'application/HttpUtils.php';
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require_once 'application/Languages.php';
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require_once 'application/LinkDB.php';
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require_once 'application/LinkFilter.php';
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require_once 'application/LinkUtils.php';
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require_once 'application/NetscapeBookmarkUtils.php';
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require_once 'application/PageBuilder.php';
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require_once 'application/TimeZone.php';
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require_once 'application/Url.php';
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require_once 'application/Utils.php';
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require_once 'application/PluginManager.php';
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require_once 'application/Router.php';
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require_once 'application/Updater.php';
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// Ensure the PHP version is supported
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try {
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ApplicationUtils::checkPHPVersion('5.3', PHP_VERSION);
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} catch(Exception $exc) {
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header('Content-Type: text/plain; charset=utf-8');
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echo $exc->getMessage();
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exit;
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}
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// Force cookie path (but do not change lifetime)
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$cookie = session_get_cookie_params();
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$cookiedir = '';
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if (dirname($_SERVER['SCRIPT_NAME']) != '/') {
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$cookiedir = dirname($_SERVER["SCRIPT_NAME"]).'/';
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}
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// Set default cookie expiration and path.
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session_set_cookie_params($cookie['lifetime'], $cookiedir, $_SERVER['SERVER_NAME']);
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// Set session parameters on server side.
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// If the user does not access any page within this time, his/her session is considered expired.
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define('INACTIVITY_TIMEOUT', 3600); // in seconds.
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// Use cookies to store session.
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ini_set('session.use_cookies', 1);
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// Force cookies for session (phpsessionID forbidden in URL).
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ini_set('session.use_only_cookies', 1);
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// Prevent PHP form using sessionID in URL if cookies are disabled.
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ini_set('session.use_trans_sid', false);
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session_name('shaarli');
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// Start session if needed (Some server auto-start sessions).
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if (session_id() == '') {
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session_start();
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}
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// Regenerate session ID if invalid or not defined in cookie.
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if (isset($_COOKIE['shaarli']) && !is_session_id_valid($_COOKIE['shaarli'])) {
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session_regenerate_id(true);
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$_COOKIE['shaarli'] = session_id();
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}
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$conf = new ConfigManager();
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$conf->setEmpty('general.timezone', date_default_timezone_get());
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$conf->setEmpty('general.title', 'Shared links on '. escape(index_url($_SERVER)));
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RainTPL::$tpl_dir = $conf->get('resource.raintpl_tpl'); // template directory
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RainTPL::$cache_dir = $conf->get('resource.raintpl_tmp'); // cache directory
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$pluginManager = new PluginManager($conf);
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$pluginManager->load($conf->get('general.enabled_plugins'));
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date_default_timezone_set($conf->get('general.timezone', 'UTC'));
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ob_start(); // Output buffering for the page cache.
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// In case stupid admin has left magic_quotes enabled in php.ini:
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if (get_magic_quotes_gpc())
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{
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function stripslashes_deep($value) { $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value); return $value; }
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$_POST = array_map('stripslashes_deep', $_POST);
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$_GET = array_map('stripslashes_deep', $_GET);
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$_COOKIE = array_map('stripslashes_deep', $_COOKIE);
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}
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// Prevent caching on client side or proxy: (yes, it's ugly)
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header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
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header("Cache-Control: no-store, no-cache, must-revalidate");
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header("Cache-Control: post-check=0, pre-check=0", false);
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header("Pragma: no-cache");
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if (! is_file($conf->getConfigFileExt())) {
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// Ensure Shaarli has proper access to its resources
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$errors = ApplicationUtils::checkResourcePermissions($conf);
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if ($errors != array()) {
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$message = '<p>Insufficient permissions:</p><ul>';
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foreach ($errors as $error) {
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$message .= '<li>'.$error.'</li>';
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}
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$message .= '</ul>';
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header('Content-Type: text/html; charset=utf-8');
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echo $message;
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exit;
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}
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// Display the installation form if no existing config is found
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install($conf);
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}
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// a token depending of deployment salt, user password, and the current ip
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define('STAY_SIGNED_IN_TOKEN', sha1($conf->get('credentials.hash') . $_SERVER['REMOTE_ADDR'] . $conf->get('credentials.salt')));
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// Sniff browser language and set date format accordingly.
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if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
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autoLocale($_SERVER['HTTP_ACCEPT_LANGUAGE']);
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}
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header('Content-Type: text/html; charset=utf-8'); // We use UTF-8 for proper international characters handling.
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/**
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* Checking session state (i.e. is the user still logged in)
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*
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* @param ConfigManager $conf The configuration manager.
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*
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* @return bool: true if the user is logged in, false otherwise.
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*/
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function setup_login_state($conf)
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{
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if ($conf->get('security.open_shaarli')) {
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return true;
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}
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$userIsLoggedIn = false; // By default, we do not consider the user as logged in;
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$loginFailure = false; // If set to true, every attempt to authenticate the user will fail. This indicates that an important condition isn't met.
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if (! $conf->exists('credentials.login')) {
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$userIsLoggedIn = false; // Shaarli is not configured yet.
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$loginFailure = true;
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}
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if (isset($_COOKIE['shaarli_staySignedIn']) &&
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$_COOKIE['shaarli_staySignedIn']===STAY_SIGNED_IN_TOKEN &&
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!$loginFailure)
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{
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fillSessionInfo($conf);
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$userIsLoggedIn = true;
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}
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// If session does not exist on server side, or IP address has changed, or session has expired, logout.
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if (empty($_SESSION['uid'])
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|| ($conf->get('security.session_protection_disabled') == false && $_SESSION['ip'] != allIPs())
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|| time() >= $_SESSION['expires_on'])
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{
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logout();
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$userIsLoggedIn = false;
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$loginFailure = true;
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}
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if (!empty($_SESSION['longlastingsession'])) {
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$_SESSION['expires_on']=time()+$_SESSION['longlastingsession']; // In case of "Stay signed in" checked.
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}
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else {
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$_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Standard session expiration date.
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}
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if (!$loginFailure) {
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$userIsLoggedIn = true;
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}
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return $userIsLoggedIn;
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}
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$userIsLoggedIn = setup_login_state($conf);
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/**
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* PubSubHubbub protocol support (if enabled) [UNTESTED]
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* (Source: http://aldarone.fr/les-flux-rss-shaarli-et-pubsubhubbub/ )
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*
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* @param ConfigManager $conf Configuration Manager instance.
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*/
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function pubsubhub($conf)
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{
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$pshUrl = $conf->get('config.PUBSUBHUB_URL');
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if (!empty($pshUrl))
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{
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include_once './publisher.php';
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$p = new Publisher($pshUrl);
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$topic_url = array (
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index_url($_SERVER).'?do=atom',
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index_url($_SERVER).'?do=rss'
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);
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$p->publish_update($topic_url);
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}
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}
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// ------------------------------------------------------------------------------------------
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// Session management
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// Returns the IP address of the client (Used to prevent session cookie hijacking.)
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function allIPs()
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{
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$ip = $_SERVER['REMOTE_ADDR'];
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// Then we use more HTTP headers to prevent session hijacking from users behind the same proxy.
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if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $ip=$ip.'_'.$_SERVER['HTTP_X_FORWARDED_FOR']; }
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if (isset($_SERVER['HTTP_CLIENT_IP'])) { $ip=$ip.'_'.$_SERVER['HTTP_CLIENT_IP']; }
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return $ip;
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}
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/**
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* Load user session.
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*
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* @param ConfigManager $conf Configuration Manager instance.
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*/
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function fillSessionInfo($conf)
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{
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$_SESSION['uid'] = sha1(uniqid('',true).'_'.mt_rand()); // Generate unique random number (different than phpsessionid)
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$_SESSION['ip']=allIPs(); // We store IP address(es) of the client to make sure session is not hijacked.
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$_SESSION['username']= $conf->get('credentials.login');
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$_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Set session expiration.
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}
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/**
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* Check that user/password is correct.
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*
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* @param string $login Username
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* @param string $password User password
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* @param ConfigManager $conf Configuration Manager instance.
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*
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* @return bool: authentication successful or not.
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*/
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function check_auth($login, $password, $conf)
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{
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$hash = sha1($password . $login . $conf->get('credentials.salt'));
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if ($login == $conf->get('credentials.login') && $hash == $conf->get('credentials.hash'))
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{ // Login/password is correct.
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fillSessionInfo($conf);
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logm($conf->get('resource.log'), $_SERVER['REMOTE_ADDR'], 'Login successful');
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return true;
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}
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logm($conf->get('resource.log'), $_SERVER['REMOTE_ADDR'], 'Login failed for user '.$login);
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return false;
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}
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// Returns true if the user is logged in.
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function isLoggedIn()
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{
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global $userIsLoggedIn;
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return $userIsLoggedIn;
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}
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// Force logout.
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function logout() {
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if (isset($_SESSION)) {
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unset($_SESSION['uid']);
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unset($_SESSION['ip']);
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unset($_SESSION['username']);
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unset($_SESSION['privateonly']);
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}
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setcookie('shaarli_staySignedIn', FALSE, 0, WEB_PATH);
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}
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// ------------------------------------------------------------------------------------------
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// Brute force protection system
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// Several consecutive failed logins will ban the IP address for 30 minutes.
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if (!is_file($conf->get('resource.ban_file', 'data/ipbans.php'))) {
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// FIXME! globals
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file_put_contents(
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$conf->get('resource.ban_file', 'data/ipbans.php'),
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"<?php\n\$GLOBALS['IPBANS']=".var_export(array('FAILURES'=>array(),'BANS'=>array()),true).";\n?>"
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);
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}
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include $conf->get('resource.ban_file', 'data/ipbans.php');
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/**
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* Signal a failed login. Will ban the IP if too many failures:
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*
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* @param ConfigManager $conf Configuration Manager instance.
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*/
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function ban_loginFailed($conf)
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{
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$ip = $_SERVER['REMOTE_ADDR'];
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$trusted = $conf->get('security.trusted_proxies', array());
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if (in_array($ip, $trusted)) {
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$ip = getIpAddressFromProxy($_SERVER, $trusted);
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if (!$ip) {
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return;
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}
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}
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$gb = $GLOBALS['IPBANS'];
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if (! isset($gb['FAILURES'][$ip])) {
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$gb['FAILURES'][$ip]=0;
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}
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$gb['FAILURES'][$ip]++;
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if ($gb['FAILURES'][$ip] > ($conf->get('security.ban_after') - 1))
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{
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$gb['BANS'][$ip] = time() + $conf->get('security.ban_after', 1800);
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logm($conf->get('resource.log'), $_SERVER['REMOTE_ADDR'], 'IP address banned from login');
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}
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$GLOBALS['IPBANS'] = $gb;
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file_put_contents(
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$conf->get('resource.ban_file', 'data/ipbans.php'),
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"<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>"
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);
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}
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/**
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* Signals a successful login. Resets failed login counter.
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*
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* @param ConfigManager $conf Configuration Manager instance.
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*/
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function ban_loginOk($conf)
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{
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$ip = $_SERVER['REMOTE_ADDR'];
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$gb = $GLOBALS['IPBANS'];
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unset($gb['FAILURES'][$ip]); unset($gb['BANS'][$ip]);
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$GLOBALS['IPBANS'] = $gb;
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file_put_contents(
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$conf->get('resource.ban_file', 'data/ipbans.php'),
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"<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>"
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);
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}
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/**
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* Checks if the user CAN login. If 'true', the user can try to login.
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*
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* @param ConfigManager $conf Configuration Manager instance.
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*
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* @return bool: true if the user is allowed to login.
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*/
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function ban_canLogin($conf)
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{
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$ip=$_SERVER["REMOTE_ADDR"]; $gb=$GLOBALS['IPBANS'];
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if (isset($gb['BANS'][$ip]))
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{
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// User is banned. Check if the ban has expired:
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if ($gb['BANS'][$ip]<=time())
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{ // Ban expired, user can try to login again.
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logm($conf->get('resource.log'), $_SERVER['REMOTE_ADDR'], 'Ban lifted.');
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unset($gb['FAILURES'][$ip]); unset($gb['BANS'][$ip]);
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file_put_contents(
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$conf->get('resource.ban_file', 'data/ipbans.php'),
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"<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>"
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);
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return true; // Ban has expired, user can login.
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}
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return false; // User is banned.
|
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}
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return true; // User is not banned.
|
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}
|
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|
|
// ------------------------------------------------------------------------------------------
|
|
// Process login form: Check if login/password is correct.
|
|
if (isset($_POST['login']))
|
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{
|
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if (!ban_canLogin($conf)) die('I said: NO. You are banned for the moment. Go away.');
|
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if (isset($_POST['password'])
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&& tokenOk($_POST['token'])
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&& (check_auth($_POST['login'], $_POST['password'], $conf))
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) { // Login/password is OK.
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ban_loginOk($conf);
|
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// If user wants to keep the session cookie even after the browser closes:
|
|
if (!empty($_POST['longlastingsession']))
|
|
{
|
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setcookie('shaarli_staySignedIn', STAY_SIGNED_IN_TOKEN, time()+31536000, WEB_PATH);
|
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$_SESSION['longlastingsession']=31536000; // (31536000 seconds = 1 year)
|
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$_SESSION['expires_on']=time()+$_SESSION['longlastingsession']; // Set session expiration on server-side.
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$cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/';
|
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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)
|
|
{
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|
$cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/';
|
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session_set_cookie_params(0,$cookiedir,$_SERVER['SERVER_NAME']); // 0 means "When browser closes"
|
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session_regenerate_id(true);
|
|
}
|
|
|
|
// Optional redirect after login:
|
|
if (isset($_GET['post'])) {
|
|
$uri = '?post='. urlencode($_GET['post']);
|
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foreach (array('description', 'source', 'title') as $param) {
|
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if (!empty($_GET[$param])) {
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$uri .= '&'.$param.'='.urlencode($_GET[$param]);
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}
|
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}
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header('Location: '. $uri);
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exit;
|
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}
|
|
|
|
if (isset($_GET['edit_link'])) {
|
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header('Location: ?edit_link='. escape($_GET['edit_link']));
|
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exit;
|
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}
|
|
|
|
if (isset($_POST['returnurl'])) {
|
|
// Prevent loops over login screen.
|
|
if (strpos($_POST['returnurl'], 'do=login') === false) {
|
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header('Location: '. generateLocation($_POST['returnurl'], $_SERVER['HTTP_HOST']));
|
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exit;
|
|
}
|
|
}
|
|
header('Location: ?'); exit;
|
|
}
|
|
else
|
|
{
|
|
ban_loginFailed($conf);
|
|
$redir = '&username='. $_POST['login'];
|
|
if (isset($_GET['post'])) {
|
|
$redir .= '&post=' . urlencode($_GET['post']);
|
|
foreach (array('description', 'source', 'title') as $param) {
|
|
if (!empty($_GET[$param])) {
|
|
$redir .= '&' . $param . '=' . urlencode($_GET[$param]);
|
|
}
|
|
}
|
|
}
|
|
echo '<script>alert("Wrong login/password.");document.location=\'?do=login'.$redir.'\';</script>'; // 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.
|
|
*
|
|
* @param ConfigManager $conf Configuration Manager instance.
|
|
*
|
|
* @return string token.
|
|
*/
|
|
function getToken($conf)
|
|
{
|
|
$rnd = sha1(uniqid('', true) .'_'. mt_rand() . $conf->get('credentials.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.
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
* @param ConfigManager $conf Configuration Manager instance.
|
|
*/
|
|
function showDailyRSS($conf) {
|
|
// Cache system
|
|
$query = $_SERVER['QUERY_STRING'];
|
|
$cache = new CachedPage(
|
|
$conf->get('config.PAGE_CACHE'),
|
|
page_url($_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(
|
|
$conf->get('resource.datastore'),
|
|
isLoggedIn(),
|
|
$conf->get('privacy.hide_public_links'),
|
|
$conf->get('redirector.url'),
|
|
$conf->get('redirector.encode_url')
|
|
);
|
|
|
|
/* Some Shaarlies may have very few links, so we need to look
|
|
back in time (rsort()) until we have enough days ($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 '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">';
|
|
echo '<channel>';
|
|
echo '<title>Daily - '. $conf->get('general.title') . '</title>';
|
|
echo '<link>'. $pageaddr .'</link>';
|
|
echo '<description>Daily shared links</description>';
|
|
echo '<language>en-en</language>';
|
|
echo '<copyright>'. $pageaddr .'</copyright>'. PHP_EOL;
|
|
|
|
// For each day.
|
|
foreach ($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'], $conf->get('redirector.url'));
|
|
$l['thumbnail'] = thumbnail($conf, $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', $conf->get('general.title'));
|
|
$tpl->assign('daydate', $dayDate->getTimestamp());
|
|
$tpl->assign('absurl', $absurl);
|
|
$tpl->assign('links', $links);
|
|
$tpl->assign('rssdate', escape($dayDate->format(DateTime::RSS)));
|
|
$tpl->assign('hide_timestamps', $conf->get('privacy.hide_timestamps', false));
|
|
$html = $tpl->draw('dailyrss', $return_string=true);
|
|
|
|
echo $html . PHP_EOL;
|
|
}
|
|
echo '</channel></rss><!-- Cached version of '. escape(page_url($_SERVER)) .' -->';
|
|
|
|
$cache->cache(ob_get_contents());
|
|
ob_end_flush();
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Show the 'Daily' page.
|
|
*
|
|
* @param PageBuilder $pageBuilder Template engine wrapper.
|
|
* @param LinkDB $LINKSDB LinkDB instance.
|
|
* @param ConfigManager $conf Configuration Manager instance.
|
|
* @param PluginManager $pluginManager Plugin Manager instane.
|
|
*/
|
|
function showDaily($pageBuilder, $LINKSDB, $conf, $pluginManager)
|
|
{
|
|
$day=date('Ymd',strtotime('-1 day')); // Yesterday, in format YYYYMMDD.
|
|
if (isset($_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[$i-1];
|
|
if ($i<count($days)-1) $nextday=$days[$i+1];
|
|
}
|
|
|
|
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'] = format_description($link['description'], $conf->get('redirector.url'));
|
|
$linksToDisplay[$key]['thumbnail'] = thumbnail($conf, $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,
|
|
'cols' => $columns,
|
|
'day' => $dayDate->getTimestamp(),
|
|
'previousday' => $previousday,
|
|
'nextday' => $nextday,
|
|
);
|
|
|
|
$pluginManager->executeHooks('render_daily', $data, array('loggedin' => isLoggedIn()));
|
|
|
|
foreach ($data as $key => $value) {
|
|
$pageBuilder->assign($key, $value);
|
|
}
|
|
|
|
$pageBuilder->renderPage('daily');
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Renders the linklist
|
|
*
|
|
* @param pageBuilder $PAGE pageBuilder instance.
|
|
* @param LinkDB $LINKSDB LinkDB instance.
|
|
* @param ConfigManager $conf Configuration Manager instance.
|
|
* @param PluginManager $pluginManager Plugin Manager instance.
|
|
*/
|
|
function showLinkList($PAGE, $LINKSDB, $conf, $pluginManager) {
|
|
buildLinkList($PAGE,$LINKSDB, $conf, $pluginManager); // Compute list of links to display
|
|
$PAGE->renderPage('linklist');
|
|
}
|
|
|
|
/**
|
|
* Render HTML page (according to URL parameters and user rights)
|
|
*
|
|
* @param ConfigManager $conf Configuration Manager instance.
|
|
* @param PluginManager $pluginManager Plugin Manager instance,
|
|
*/
|
|
function renderPage($conf, $pluginManager)
|
|
{
|
|
$LINKSDB = new LinkDB(
|
|
$conf->get('resource.datastore'),
|
|
isLoggedIn(),
|
|
$conf->get('privacy.hide_public_links'),
|
|
$conf->get('redirector.url'),
|
|
$conf->get('redirector.encode_url')
|
|
);
|
|
|
|
$updater = new Updater(
|
|
read_updates_file($conf->get('resource.updates')),
|
|
$LINKSDB,
|
|
$conf,
|
|
isLoggedIn()
|
|
);
|
|
try {
|
|
$newUpdates = $updater->update();
|
|
if (! empty($newUpdates)) {
|
|
write_updates_file(
|
|
$conf->get('resource.updates'),
|
|
$updater->getDoneUpdates()
|
|
);
|
|
}
|
|
}
|
|
catch(Exception $e) {
|
|
die($e->getMessage());
|
|
}
|
|
|
|
$PAGE = new PageBuilder($conf);
|
|
$PAGE->assign('linkcount', count($LINKSDB));
|
|
$PAGE->assign('privateLinkcount', count_private($LINKSDB));
|
|
$PAGE->assign('plugin_errors', $pluginManager->getErrors());
|
|
|
|
// 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.
|
|
$common_hooks = array(
|
|
'includes',
|
|
'header',
|
|
'footer',
|
|
);
|
|
|
|
foreach($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::$PAGE_LOGIN)
|
|
{
|
|
if ($conf->get('security.open_shaarli')) { header('Location: ?'); exit; } // No need to login for open Shaarli
|
|
if (isset($_GET['username'])) {
|
|
$PAGE->assign('username', escape($_GET['username']));
|
|
}
|
|
$PAGE->assign('returnurl',(isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']):''));
|
|
$PAGE->renderPage('loginform');
|
|
exit;
|
|
}
|
|
// -------- User wants to logout.
|
|
if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=logout'))
|
|
{
|
|
invalidateCaches($conf->get('resource.page_cache'));
|
|
logout();
|
|
header('Location: ?');
|
|
exit;
|
|
}
|
|
|
|
// -------- Picture wall
|
|
if ($targetPage == Router::$PAGE_PICWALL)
|
|
{
|
|
// Optionally filter the results:
|
|
$links = $LINKSDB->filterSearch($_GET);
|
|
$linksToDisplay = array();
|
|
|
|
// Get only links which have a thumbnail.
|
|
foreach($links as $link)
|
|
{
|
|
$permalink='?'.escape(smallhash($link['linkdate']));
|
|
$thumb=lazyThumbnail($conf, $link['url'],$permalink);
|
|
if ($thumb!='') // Only output links which have a thumbnail.
|
|
{
|
|
$link['thumbnail']=$thumb; // Thumbnail HTML code.
|
|
$linksToDisplay[]=$link; // Add to array.
|
|
}
|
|
}
|
|
|
|
$data = array(
|
|
'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.
|
|
$size = log($value, 15) / log($maxcount, 30) * 2.2 + 0.8;
|
|
$tagList[$key] = array(
|
|
'count' => $value,
|
|
'size' => number_format($size, 2, '.', ''),
|
|
);
|
|
}
|
|
|
|
$data = array(
|
|
'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, $LINKSDB, $conf, $pluginManager);
|
|
}
|
|
|
|
// ATOM and RSS feed.
|
|
if ($targetPage == Router::$PAGE_FEED_ATOM || $targetPage == Router::$PAGE_FEED_RSS) {
|
|
$feedType = $targetPage == Router::$PAGE_FEED_RSS ? FeedBuilder::$FEED_RSS : FeedBuilder::$FEED_ATOM;
|
|
header('Content-Type: application/'. $feedType .'+xml; charset=utf-8');
|
|
|
|
// Cache system
|
|
$query = $_SERVER['QUERY_STRING'];
|
|
$cache = new CachedPage(
|
|
$conf->get('resource.page_cache'),
|
|
page_url($_SERVER),
|
|
startsWith($query,'do='. $targetPage) && !isLoggedIn()
|
|
);
|
|
$cached = $cache->cachedVersion();
|
|
if (!empty($cached)) {
|
|
echo $cached;
|
|
exit;
|
|
}
|
|
|
|
// Generate data.
|
|
$feedGenerator = new FeedBuilder($LINKSDB, $feedType, $_SERVER, $_GET, isLoggedIn());
|
|
$feedGenerator->setLocale(strtolower(setlocale(LC_COLLATE, 0)));
|
|
$feedGenerator->setHideDates($conf->get('privacy.hide_timestamps') && !isLoggedIn());
|
|
$feedGenerator->setUsePermalinks(isset($_GET['permalinks']) || !$conf->get('feed.rss_permalinks'));
|
|
$pshUrl = $conf->get('config.PUBSUBHUB_URL');
|
|
if (!empty($pshUrl)) {
|
|
$feedGenerator->setPubsubhubUrl($pshUrl);
|
|
}
|
|
$data = $feedGenerator->buildData();
|
|
|
|
// Process plugin hook.
|
|
$pluginManager->executeHooks('render_feed', $data, array(
|
|
'loggedin' => isLoggedIn(),
|
|
'target' => $targetPage,
|
|
));
|
|
|
|
// Render the template.
|
|
$PAGE->assignAll($data);
|
|
$PAGE->renderPage('feed.'. $feedType);
|
|
$cache->cache(ob_get_contents());
|
|
ob_end_flush();
|
|
exit;
|
|
}
|
|
|
|
// Display openseach plugin (XML)
|
|
if ($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($_GET['source']):'')); // Redirect to login page, then back to post link.
|
|
exit;
|
|
}
|
|
|
|
showLinkList($PAGE, $LINKSDB, $conf, $pluginManager);
|
|
if (isset($_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)
|
|
{
|
|
$data = array(
|
|
'pageabsaddr' => index_url($_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::$PAGE_CHANGEPASSWORD)
|
|
{
|
|
if ($conf->get('security.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'].$conf->get('credentials.login').$conf->get('credentials.salt'));
|
|
if ($oldhash!= $conf->get('credentials.hash')) { echo '<script>alert("The old password is not correct.");document.location=\'?do=changepasswd\';</script>'; exit; }
|
|
// Save new password
|
|
// Salt renders rainbow-tables attacks useless.
|
|
$conf->set('credentials.salt', sha1(uniqid('', true) .'_'. mt_rand()));
|
|
$conf->set('credentials.hash', sha1($_POST['setpassword'] . $conf->get('credentials.login') . $conf->get('credentials.salt')));
|
|
try {
|
|
$conf->write(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 '<script>alert("'. $e->getMessage() .'");document.location=\'?do=tools\';</script>';
|
|
exit;
|
|
}
|
|
echo '<script>alert("Your password has been changed.");document.location=\'?do=tools\';</script>';
|
|
exit;
|
|
}
|
|
else // show the change password form.
|
|
{
|
|
$PAGE->renderPage('changepassword');
|
|
exit;
|
|
}
|
|
}
|
|
|
|
// -------- User wants to change configuration
|
|
if ($targetPage == Router::$PAGE_CONFIGURE)
|
|
{
|
|
if (!empty($_POST['title']) )
|
|
{
|
|
if (!tokenOk($_POST['token'])) {
|
|
die('Wrong token.'); // Go away!
|
|
}
|
|
$tz = 'UTC';
|
|
if (!empty($_POST['continent']) && !empty($_POST['city'])
|
|
&& isTimeZoneValid($_POST['continent'], $_POST['city'])
|
|
) {
|
|
$tz = $_POST['continent'] . '/' . $_POST['city'];
|
|
}
|
|
$conf->set('general.timezone', $tz);
|
|
$conf->set('general.title', escape($_POST['title']));
|
|
$conf->set('general.header_link', escape($_POST['titleLink']));
|
|
$conf->set('redirector.url', escape($_POST['redirector']));
|
|
$conf->set('security.session_protection_disabled', !empty($_POST['disablesessionprotection']));
|
|
$conf->set('privacy.default_private_links', !empty($_POST['privateLinkByDefault']));
|
|
$conf->set('feed.rss_permalinks', !empty($_POST['enableRssPermalinks']));
|
|
$conf->set('updates.check_updates', !empty($_POST['updateCheck']));
|
|
$conf->set('privacy.hide_public_links', !empty($_POST['hidePublicLinks']));
|
|
try {
|
|
$conf->write(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 '<script>alert("'. $e->getMessage() .'");document.location=\'?do=configure\';</script>';
|
|
exit;
|
|
}
|
|
echo '<script>alert("Configuration was saved.");document.location=\'?do=configure\';</script>';
|
|
exit;
|
|
}
|
|
else // Show the configuration form.
|
|
{
|
|
$PAGE->assign('title', $conf->get('general.title'));
|
|
$PAGE->assign('redirector', $conf->get('redirector.url'));
|
|
list($timezone_form, $timezone_js) = generateTimeZoneForm($conf->get('general.timezone'));
|
|
$PAGE->assign('timezone_form', $timezone_form);
|
|
$PAGE->assign('timezone_js',$timezone_js);
|
|
$PAGE->assign('private_links_default', $conf->get('privacy.default_private_links', false));
|
|
$PAGE->assign('session_protection_disabled', $conf->get('security.session_protection_disabled', false));
|
|
$PAGE->assign('enable_rss_permalinks', $conf->get('feed.rss_permalinks', false));
|
|
$PAGE->assign('enable_update_check', $conf->get('updates.check_updates', true));
|
|
$PAGE->assign('hide_public_links', $conf->get('privacy.hide_public_links', false));
|
|
$PAGE->renderPage('configure');
|
|
exit;
|
|
}
|
|
}
|
|
|
|
// -------- User wants to rename a tag or delete it
|
|
if ($targetPage == Router::$PAGE_CHANGETAG)
|
|
{
|
|
if (empty($_POST['fromtag']) || (empty($_POST['totag']) && isset($_POST['renametag']))) {
|
|
$PAGE->assign('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->filterSearch(array('searchtags' => $needle), true);
|
|
foreach($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;
|
|
}
|
|
$LINKSDB->savedb($conf->get('resource.page_cache'));
|
|
echo '<script>alert("Tag was removed from '.count($linksToAlter).' links.");document.location=\'?\';</script>';
|
|
exit;
|
|
}
|
|
|
|
// Rename a tag:
|
|
if (isset($_POST['renametag']) && !empty($_POST['fromtag']) && !empty($_POST['totag'])) {
|
|
$needle = trim($_POST['fromtag']);
|
|
// True for case-sensitive tag search.
|
|
$linksToAlter = $LINKSDB->filterSearch(array('searchtags' => $needle), true);
|
|
foreach($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;
|
|
}
|
|
$LINKSDB->savedb($conf->get('resource.page_cache')); // Save to disk.
|
|
echo '<script>alert("Tag was renamed in '.count($linksToAlter).' links.");document.location=\'?searchtags='.urlencode($_POST['totag']).'\';</script>';
|
|
exit;
|
|
}
|
|
}
|
|
|
|
// -------- User wants to add a link without using the bookmarklet: Show form.
|
|
if ($targetPage == Router::$PAGE_ADDLINK)
|
|
{
|
|
$PAGE->renderPage('addlink');
|
|
exit;
|
|
}
|
|
|
|
// -------- User clicked the "Save" button when editing a link: Save link to database.
|
|
if (isset($_POST['save_edit']))
|
|
{
|
|
$linkdate = $_POST['lf_linkdate'];
|
|
$updated = isset($LINKSDB[$linkdate]) ? strval(date('Ymd_His')) : false;
|
|
|
|
// Go away!
|
|
if (! tokenOk($_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)));
|
|
|
|
$url = trim($_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,
|
|
'updated' => $updated,
|
|
'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;
|
|
$LINKSDB->savedb($conf->get('resource.page_cache'));
|
|
pubsubhub($conf);
|
|
|
|
// If we are called from the bookmarklet, we must close the popup:
|
|
if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) {
|
|
echo '<script>self.close();</script>';
|
|
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 '<script>self.close();</script>'; 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]);
|
|
$LINKSDB->savedb('resource.page_cache'); // save to disk
|
|
|
|
// If we are called from the bookmarklet, we must close the popup:
|
|
if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo '<script>self.close();</script>'; 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(
|
|
'link' => $link,
|
|
'link_is_new' => false,
|
|
'http_referer' => (isset($_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'])) {
|
|
$url = cleanup_url($_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($title) && strtolower($charset) != 'utf-8') {
|
|
$title = mb_convert_encoding($title, 'utf-8', $charset);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($url == '') {
|
|
$url = '?' . smallHash($linkdate);
|
|
$title = 'Note: ';
|
|
}
|
|
$url = escape($url);
|
|
$title = escape($title);
|
|
|
|
$link = array(
|
|
'linkdate' => $linkdate,
|
|
'title' => $title,
|
|
'url' => $url,
|
|
'description' => $description,
|
|
'tags' => $tags,
|
|
'private' => $private
|
|
);
|
|
}
|
|
|
|
$data = array(
|
|
'link' => $link,
|
|
'link_is_new' => $link_is_new,
|
|
'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
|
|
'source' => (isset($_GET['source']) ? $_GET['source'] : ''),
|
|
'tags' => $LINKSDB->allTags(),
|
|
'default_private_links' => $conf->get('privacy.default_private_links', false),
|
|
);
|
|
$pluginManager->executeHooks('render_editlink', $data);
|
|
|
|
foreach ($data as $key => $value) {
|
|
$PAGE->assign($key, $value);
|
|
}
|
|
|
|
$PAGE->renderPage('editlink');
|
|
exit;
|
|
}
|
|
|
|
if ($targetPage == Router::$PAGE_EXPORT) {
|
|
// Export links as a Netscape Bookmarks file
|
|
|
|
if (empty($_GET['selection'])) {
|
|
$PAGE->renderPage('export');
|
|
exit;
|
|
}
|
|
|
|
// export as bookmarks_(all|private|public)_YYYYmmdd_HHMMSS.html
|
|
$selection = $_GET['selection'];
|
|
if (isset($_GET['prepend_note_url'])) {
|
|
$prependNoteUrl = $_GET['prepend_note_url'];
|
|
} else {
|
|
$prependNoteUrl = false;
|
|
}
|
|
|
|
try {
|
|
$PAGE->assign(
|
|
'links',
|
|
NetscapeBookmarkUtils::filterAndFormat(
|
|
$LINKSDB,
|
|
$selection,
|
|
$prependNoteUrl,
|
|
index_url($_SERVER)
|
|
)
|
|
);
|
|
} catch (Exception $exc) {
|
|
header('Content-Type: text/plain; charset=utf-8');
|
|
echo $exc->getMessage();
|
|
exit;
|
|
}
|
|
$now = new DateTime();
|
|
header('Content-Type: text/html; charset=utf-8');
|
|
header(
|
|
'Content-disposition: attachment; filename=bookmarks_'
|
|
.$selection.'_'.$now->format(LinkDB::LINK_DATE_FORMAT).'.html'
|
|
);
|
|
$PAGE->assign('date', $now->format(DateTime::RFC822));
|
|
$PAGE->assign('eol', PHP_EOL);
|
|
$PAGE->assign('selection', $selection);
|
|
$PAGE->renderPage('export.bookmarks');
|
|
exit;
|
|
}
|
|
|
|
if ($targetPage == Router::$PAGE_IMPORT) {
|
|
// Upload a Netscape bookmark dump to import its contents
|
|
|
|
if (! isset($_POST['token']) || ! isset($_FILES['filetoupload'])) {
|
|
// Show import dialog
|
|
$PAGE->assign('maxfilesize', getMaxFileSize());
|
|
$PAGE->renderPage('import');
|
|
exit;
|
|
}
|
|
|
|
// Import bookmarks from an uploaded file
|
|
if (isset($_FILES['filetoupload']['size']) && $_FILES['filetoupload']['size'] == 0) {
|
|
// The file is too big or some form field may be missing.
|
|
echo '<script>alert("The file you are trying to upload is probably'
|
|
.' bigger than what this webserver can accept ('
|
|
.getMaxFileSize().' bytes).'
|
|
.' Please upload in smaller chunks.");document.location=\'?do='
|
|
.Router::$PAGE_IMPORT .'\';</script>';
|
|
exit;
|
|
}
|
|
if (! tokenOk($_POST['token'])) {
|
|
die('Wrong token.');
|
|
}
|
|
$status = NetscapeBookmarkUtils::import(
|
|
$_POST,
|
|
$_FILES,
|
|
$LINKSDB,
|
|
$conf->get('resource.page_cache')
|
|
);
|
|
echo '<script>alert("'.$status.'");document.location=\'?do='
|
|
.Router::$PAGE_IMPORT .'\';</script>';
|
|
exit;
|
|
}
|
|
|
|
// Plugin administration page
|
|
if ($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, $conf->get('plugins', array()));
|
|
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) {
|
|
$conf->set('plugins.'. $param, escape($value));
|
|
}
|
|
}
|
|
else {
|
|
$conf->set('general.enabled_plugins', save_plugin_config($_POST));
|
|
}
|
|
$conf->write(isLoggedIn());
|
|
}
|
|
catch (Exception $e) {
|
|
error_log(
|
|
'ERROR while saving plugin configuration:.' . PHP_EOL .
|
|
$e->getMessage()
|
|
);
|
|
|
|
// TODO: do not handle exceptions/errors in JS.
|
|
echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do='. Router::$PAGE_PLUGINSADMIN .'\';</script>';
|
|
exit;
|
|
}
|
|
header('Location: ?do='. Router::$PAGE_PLUGINSADMIN);
|
|
exit;
|
|
}
|
|
|
|
// -------- Otherwise, simply display search form and links:
|
|
showLinkList($PAGE, $LINKSDB, $conf, $pluginManager);
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Template for the list of links (<div id="linklist">)
|
|
* This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
|
|
*
|
|
* @param pageBuilder $PAGE pageBuilder instance.
|
|
* @param LinkDB $LINKSDB LinkDB instance.
|
|
* @param ConfigManager $conf Configuration Manager instance.
|
|
* @param PluginManager $pluginManager Plugin Manager instance.
|
|
*/
|
|
function buildLinkList($PAGE,$LINKSDB, $conf, $pluginManager)
|
|
{
|
|
// Used in templates
|
|
$searchtags = !empty($_GET['searchtags']) ? escape($_GET['searchtags']) : '';
|
|
$searchterm = !empty($_GET['searchterm']) ? escape($_GET['searchterm']) : '';
|
|
|
|
// Smallhash filter
|
|
if (! empty($_SERVER['QUERY_STRING'])
|
|
&& preg_match('/^[a-zA-Z0-9-_@]{6}($|&|#)/', $_SERVER['QUERY_STRING'])) {
|
|
try {
|
|
$linksToDisplay = $LINKSDB->filterHash($_SERVER['QUERY_STRING']);
|
|
} catch (LinkNotFoundException $e) {
|
|
$PAGE->render404($e->getMessage());
|
|
exit;
|
|
}
|
|
} else {
|
|
// Filter links according search parameters.
|
|
$privateonly = !empty($_SESSION['privateonly']);
|
|
$linksToDisplay = $LINKSDB->filterSearch($_GET, false, $privateonly);
|
|
}
|
|
|
|
// ---- Handle paging.
|
|
$keys = array();
|
|
foreach ($linksToDisplay as $key => $value) {
|
|
$keys[] = $key;
|
|
}
|
|
|
|
|
|
|
|
// Select articles according to paging.
|
|
$pagecount = ceil(count($keys) / $_SESSION['LINKS_PER_PAGE']);
|
|
$pagecount = $pagecount == 0 ? 1 : $pagecount;
|
|
$page= empty($_GET['page']) ? 1 : intval($_GET['page']);
|
|
$page = $page < 1 ? 1 : $page;
|
|
$page = $page > $pagecount ? $pagecount : $page;
|
|
// Start index.
|
|
$i = ($page-1) * $_SESSION['LINKS_PER_PAGE'];
|
|
$end = $i + $_SESSION['LINKS_PER_PAGE'];
|
|
$linkDisp = array();
|
|
while ($i<$end && $i<count($keys))
|
|
{
|
|
$link = $linksToDisplay[$keys[$i]];
|
|
$link['description'] = format_description($link['description'], $conf->get('redirector.url'));
|
|
$classLi = ($i % 2) != 0 ? '' : 'publicLinkHightLight';
|
|
$link['class'] = $link['private'] == 0 ? $classLi : 'private';
|
|
$date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
|
|
$link['timestamp'] = $date->getTimestamp();
|
|
if (! empty($link['updated'])) {
|
|
$date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['updated']);
|
|
$link['updated_timestamp'] = $date->getTimestamp();
|
|
} else {
|
|
$link['updated_timestamp'] = '';
|
|
}
|
|
$taglist = explode(' ', $link['tags']);
|
|
uasort($taglist, 'strcasecmp');
|
|
$link['taglist'] = $taglist;
|
|
$link['shorturl'] = smallHash($link['linkdate']);
|
|
// Check for both signs of a note: starting with ? and 7 chars long.
|
|
if ($link['url'][0] === '?' &&
|
|
strlen($link['url']) === 7) {
|
|
$link['url'] = index_url($_SERVER) . $link['url'];
|
|
}
|
|
|
|
$linkDisp[$keys[$i]] = $link;
|
|
$i++;
|
|
}
|
|
|
|
// Compute paging navigation
|
|
$searchtagsUrl = empty($searchtags) ? '' : '&searchtags=' . urlencode($searchtags);
|
|
$searchtermUrl = empty($searchterm) ? '' : '&searchterm=' . urlencode($searchterm);
|
|
$previous_page_url = '';
|
|
if ($i != count($keys)) {
|
|
$previous_page_url = '?page=' . ($page+1) . $searchtermUrl . $searchtagsUrl;
|
|
}
|
|
$next_page_url='';
|
|
if ($page>1) {
|
|
$next_page_url = '?page=' . ($page-1) . $searchtermUrl . $searchtagsUrl;
|
|
}
|
|
|
|
$token = isLoggedIn() ? getToken($conf) : '';
|
|
|
|
// Fill all template fields.
|
|
$data = array(
|
|
'previous_page_url' => $previous_page_url,
|
|
'next_page_url' => $next_page_url,
|
|
'page_current' => $page,
|
|
'page_max' => $pagecount,
|
|
'result_count' => count($linksToDisplay),
|
|
'search_term' => $searchterm,
|
|
'search_tags' => $searchtags,
|
|
'redirector' => $conf->get('redirector.url'), // Optional redirector URL.
|
|
'links' => $linkDisp,
|
|
'tags' => $LINKSDB->allTags(),
|
|
);
|
|
|
|
// If there is only a single link, we change on-the-fly the title of the page.
|
|
if (count($linksToDisplay) == 1) {
|
|
$data['pagetitle'] = $linksToDisplay[$keys[0]]['title'] .' - '. $conf->get('general.title');
|
|
}
|
|
|
|
$pluginManager->executeHooks('render_linklist', $data, array('loggedin' => isLoggedIn()));
|
|
|
|
foreach ($data as $key => $value) {
|
|
$PAGE->assign($key, $value);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Compute the thumbnail for a link.
|
|
*
|
|
* With a link to the original URL.
|
|
* Understands various services (youtube.com...)
|
|
* Input: $url = URL for which the thumbnail must be found.
|
|
* $href = if provided, this URL will be followed instead of $url
|
|
* Returns an associative array with thumbnail attributes (src,href,width,height,style,alt)
|
|
* Some of them may be missing.
|
|
* Return an empty array if no thumbnail available.
|
|
*
|
|
* @param ConfigManager $conf Configuration Manager instance.
|
|
* @param string $url
|
|
* @param string|bool $href
|
|
*
|
|
* @return array
|
|
*/
|
|
function computeThumbnail($conf, $url, $href = false)
|
|
{
|
|
if (!$conf->get('thumbnail.enable_thumbnails')) return array();
|
|
if ($href==false) $href=$url;
|
|
|
|
// For most hosts, the URL of the thumbnail can be easily deduced from the URL of the link.
|
|
// (e.g. http://www.youtube.com/watch?v=spVypYk4kto ---> http://img.youtube.com/vi/spVypYk4kto/default.jpg )
|
|
// ^^^^^^^^^^^ ^^^^^^^^^^^
|
|
$domain = parse_url($url,PHP_URL_HOST);
|
|
if ($domain=='youtube.com' || $domain=='www.youtube.com')
|
|
{
|
|
parse_str(parse_url($url,PHP_URL_QUERY), $params); // Extract video ID and get thumbnail
|
|
if (!empty($params['v'])) return array('src'=>'https://img.youtube.com/vi/'.$params['v'].'/default.jpg',
|
|
'href'=>$href,'width'=>'120','height'=>'90','alt'=>'YouTube thumbnail');
|
|
}
|
|
if ($domain=='youtu.be') // Youtube short links
|
|
{
|
|
$path = parse_url($url,PHP_URL_PATH);
|
|
return array('src'=>'https://img.youtube.com/vi'.$path.'/default.jpg',
|
|
'href'=>$href,'width'=>'120','height'=>'90','alt'=>'YouTube thumbnail');
|
|
}
|
|
if ($domain=='pix.toile-libre.org') // pix.toile-libre.org image hosting
|
|
{
|
|
parse_str(parse_url($url,PHP_URL_QUERY), $params); // Extract image filename.
|
|
if (!empty($params) && !empty($params['img'])) return array('src'=>'http://pix.toile-libre.org/upload/thumb/'.urlencode($params['img']),
|
|
'href'=>$href,'style'=>'max-width:120px; max-height:150px','alt'=>'pix.toile-libre.org thumbnail');
|
|
}
|
|
|
|
if ($domain=='imgur.com')
|
|
{
|
|
$path = parse_url($url,PHP_URL_PATH);
|
|
if (startsWith($path,'/a/')) return array(); // Thumbnails for albums are not available.
|
|
if (startsWith($path,'/r/')) return array('src'=>'https://i.imgur.com/'.basename($path).'s.jpg',
|
|
'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
|
|
if (startsWith($path,'/gallery/')) return array('src'=>'https://i.imgur.com'.substr($path,8).'s.jpg',
|
|
'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
|
|
|
|
if (substr_count($path,'/')==1) return array('src'=>'https://i.imgur.com/'.substr($path,1).'s.jpg',
|
|
'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
|
|
}
|
|
if ($domain=='i.imgur.com')
|
|
{
|
|
$pi = pathinfo(parse_url($url,PHP_URL_PATH));
|
|
if (!empty($pi['filename'])) return array('src'=>'https://i.imgur.com/'.$pi['filename'].'s.jpg',
|
|
'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
|
|
}
|
|
if ($domain=='dailymotion.com' || $domain=='www.dailymotion.com')
|
|
{
|
|
if (strpos($url,'dailymotion.com/video/')!==false)
|
|
{
|
|
$thumburl=str_replace('dailymotion.com/video/','dailymotion.com/thumbnail/video/',$url);
|
|
return array('src'=>$thumburl,
|
|
'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'DailyMotion thumbnail');
|
|
}
|
|
}
|
|
if (endsWith($domain,'.imageshack.us'))
|
|
{
|
|
$ext=strtolower(pathinfo($url,PATHINFO_EXTENSION));
|
|
if ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif')
|
|
{
|
|
$thumburl = substr($url,0,strlen($url)-strlen($ext)).'th.'.$ext;
|
|
return array('src'=>$thumburl,
|
|
'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'imageshack.us thumbnail');
|
|
}
|
|
}
|
|
|
|
// Some other hosts are SLOW AS HELL and usually require an extra HTTP request to get the thumbnail URL.
|
|
// So we deport the thumbnail generation in order not to slow down page generation
|
|
// (and we also cache the thumbnail)
|
|
|
|
if (! $conf->get('thumbnail.enable_localcache')) return array(); // If local cache is disabled, no thumbnails for services which require the use a local cache.
|
|
|
|
if ($domain=='flickr.com' || endsWith($domain,'.flickr.com')
|
|
|| $domain=='vimeo.com'
|
|
|| $domain=='ted.com' || endsWith($domain,'.ted.com')
|
|
|| $domain=='xkcd.com' || endsWith($domain,'.xkcd.com')
|
|
)
|
|
{
|
|
if ($domain=='vimeo.com')
|
|
{ // Make sure this vimeo URL points to a video (/xxx... where xxx is numeric)
|
|
$path = parse_url($url,PHP_URL_PATH);
|
|
if (!preg_match('!/\d+.+?!',$path)) return array(); // This is not a single video URL.
|
|
}
|
|
if ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com'))
|
|
{ // Make sure this URL points to a single comic (/xxx... where xxx is numeric)
|
|
$path = parse_url($url,PHP_URL_PATH);
|
|
if (!preg_match('!/\d+.+?!',$path)) return array();
|
|
}
|
|
if ($domain=='ted.com' || endsWith($domain,'.ted.com'))
|
|
{ // Make sure this TED URL points to a video (/talks/...)
|
|
$path = parse_url($url,PHP_URL_PATH);
|
|
if ("/talks/" !== substr($path,0,7)) return array(); // This is not a single video URL.
|
|
}
|
|
$sign = hash_hmac('sha256', $url, $conf->get('credentials.salt')); // We use the salt to sign data (it's random, secret, and specific to each installation)
|
|
return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url),
|
|
'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail');
|
|
}
|
|
|
|
// For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif
|
|
// Technically speaking, we should download ALL links and check their Content-Type to see if they are images.
|
|
// But using the extension will do.
|
|
$ext=strtolower(pathinfo($url,PATHINFO_EXTENSION));
|
|
if ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif')
|
|
{
|
|
$sign = hash_hmac('sha256', $url, $conf->get('credentials.salt')); // We use the salt to sign data (it's random, secret, and specific to each installation)
|
|
return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url),
|
|
'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail');
|
|
}
|
|
return array(); // No thumbnail.
|
|
|
|
}
|
|
|
|
|
|
// Returns the HTML code to display a thumbnail for a link
|
|
// with a link to the original URL.
|
|
// Understands various services (youtube.com...)
|
|
// Input: $url = URL for which the thumbnail must be found.
|
|
// $href = if provided, this URL will be followed instead of $url
|
|
// Returns '' if no thumbnail available.
|
|
function thumbnail($url,$href=false)
|
|
{
|
|
// FIXME!
|
|
global $conf;
|
|
$t = computeThumbnail($conf, $url,$href);
|
|
if (count($t)==0) return ''; // Empty array = no thumbnail for this URL.
|
|
|
|
$html='<a href="'.escape($t['href']).'"><img src="'.escape($t['src']).'"';
|
|
if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"';
|
|
if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"';
|
|
if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"';
|
|
if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"';
|
|
$html.='></a>';
|
|
return $html;
|
|
}
|
|
|
|
// Returns the HTML code to display a thumbnail for a link
|
|
// for the picture wall (using lazy image loading)
|
|
// Understands various services (youtube.com...)
|
|
// Input: $url = URL for which the thumbnail must be found.
|
|
// $href = if provided, this URL will be followed instead of $url
|
|
// Returns '' if no thumbnail available.
|
|
function lazyThumbnail($conf, $url,$href=false)
|
|
{
|
|
// FIXME!
|
|
global $conf;
|
|
$t = computeThumbnail($conf, $url,$href);
|
|
if (count($t)==0) return ''; // Empty array = no thumbnail for this URL.
|
|
|
|
$html='<a href="'.escape($t['href']).'">';
|
|
|
|
// Lazy image
|
|
$html.='<img class="b-lazy" src="#" data-src="'.escape($t['src']).'"';
|
|
|
|
if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"';
|
|
if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"';
|
|
if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"';
|
|
if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"';
|
|
$html.='>';
|
|
|
|
// No-JavaScript fallback.
|
|
$html.='<noscript><img src="'.escape($t['src']).'"';
|
|
if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"';
|
|
if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"';
|
|
if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"';
|
|
if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"';
|
|
$html.='></noscript></a>';
|
|
|
|
return $html;
|
|
}
|
|
|
|
|
|
/**
|
|
* Installation
|
|
* This function should NEVER be called if the file data/config.php exists.
|
|
*
|
|
* @param ConfigManager $conf Configuration Manager instance.
|
|
*/
|
|
function install($conf)
|
|
{
|
|
// On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
|
|
if (endsWith($_SERVER['HTTP_HOST'],'.free.fr') && !is_dir($_SERVER['DOCUMENT_ROOT'].'/sessions')) mkdir($_SERVER['DOCUMENT_ROOT'].'/sessions',0705);
|
|
|
|
|
|
// This part makes sure sessions works correctly.
|
|
// (Because on some hosts, session.save_path may not be set correctly,
|
|
// or we may not have write access to it.)
|
|
if (isset($_GET['test_session']) && ( !isset($_SESSION) || !isset($_SESSION['session_tested']) || $_SESSION['session_tested']!='Working'))
|
|
{ // Step 2: Check if data in session is correct.
|
|
echo '<pre>Sessions do not seem to work correctly on your server.<br>';
|
|
echo 'Make sure the variable session.save_path is set correctly in your php config, and that you have write access to it.<br>';
|
|
echo 'It currently points to '.session_save_path().'<br>';
|
|
echo 'Check that the hostname used to access Shaarli contains a dot. On some browsers, accessing your server via a hostname like \'localhost\' or any custom hostname without a dot causes cookie storage to fail. We recommend accessing your server via it\'s IP address or Fully Qualified Domain Name.<br>';
|
|
echo '<br><a href="?">Click to try again.</a></pre>';
|
|
die;
|
|
}
|
|
if (!isset($_SESSION['session_tested']))
|
|
{ // Step 1 : Try to store data in session and reload page.
|
|
$_SESSION['session_tested'] = 'Working'; // Try to set a variable in session.
|
|
header('Location: '.index_url($_SERVER).'?test_session'); // Redirect to check stored data.
|
|
}
|
|
if (isset($_GET['test_session']))
|
|
{ // Step 3: Sessions are OK. Remove test parameter from URL.
|
|
header('Location: '.index_url($_SERVER));
|
|
}
|
|
|
|
|
|
if (!empty($_POST['setlogin']) && !empty($_POST['setpassword']))
|
|
{
|
|
$tz = 'UTC';
|
|
if (!empty($_POST['continent']) && !empty($_POST['city'])
|
|
&& isTimeZoneValid($_POST['continent'], $_POST['city'])
|
|
) {
|
|
$tz = $_POST['continent'].'/'.$_POST['city'];
|
|
}
|
|
$conf->set('general.timezone', $tz);
|
|
$login = $_POST['setlogin'];
|
|
$conf->set('credentials.login', $login);
|
|
$salt = sha1(uniqid('', true) .'_'. mt_rand());
|
|
$conf->set('credentials.salt', $salt);
|
|
$conf->set('credentials.hash', sha1($_POST['setpassword'] . $login . $salt));
|
|
if (!empty($_POST['title'])) {
|
|
$conf->set('general.title', escape($_POST['title']));
|
|
} else {
|
|
$conf->set('general.title', 'Shared links on '.escape(index_url($_SERVER)));
|
|
}
|
|
$conf->set('updates.check_updates', !empty($_POST['updateCheck']));
|
|
try {
|
|
// Everything is ok, let's create config file.
|
|
$conf->write(isLoggedIn());
|
|
}
|
|
catch(Exception $e) {
|
|
error_log(
|
|
'ERROR while writing config file after installation.' . PHP_EOL .
|
|
$e->getMessage()
|
|
);
|
|
|
|
// TODO: do not handle exceptions/errors in JS.
|
|
echo '<script>alert("'. $e->getMessage() .'");document.location=\'?\';</script>';
|
|
exit;
|
|
}
|
|
echo '<script>alert("Shaarli is now configured. Please enter your login/password and start shaaring your links!");document.location=\'?do=login\';</script>';
|
|
exit;
|
|
}
|
|
|
|
// Display config form:
|
|
list($timezone_form, $timezone_js) = generateTimeZoneForm();
|
|
$timezone_html = '';
|
|
if ($timezone_form != '') {
|
|
$timezone_html = '<tr><td><b>Timezone:</b></td><td>'.$timezone_form.'</td></tr>';
|
|
}
|
|
|
|
$PAGE = new PageBuilder($conf);
|
|
$PAGE->assign('timezone_html',$timezone_html);
|
|
$PAGE->assign('timezone_js',$timezone_js);
|
|
$PAGE->renderPage('install');
|
|
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.
|
|
* The following function takes the URL a link (e.g. a flickr page) and return the proper thumbnail.
|
|
* This function is called by passing the URL:
|
|
* http://mywebsite.com/shaarli/?do=genthumbnail&hmac=[HMAC]&url=[URL]
|
|
* [URL] is the URL of the link (e.g. a flickr page)
|
|
* [HMAC] is the signature for the [URL] (so that these URL cannot be forged).
|
|
* The function below will fetch the image from the webservice and store it in the cache.
|
|
*
|
|
* @param ConfigManager $conf Configuration Manager instance,
|
|
*/
|
|
function genThumbnail($conf)
|
|
{
|
|
// Make sure the parameters in the URL were generated by us.
|
|
$sign = hash_hmac('sha256', $_GET['url'], $conf->get('credentials.salt'));
|
|
if ($sign!=$_GET['hmac']) die('Naughty boy!');
|
|
|
|
$cacheDir = $conf->get('resource.thumbnails_cache', 'cache');
|
|
// Let's see if we don't already have the image for this URL in the cache.
|
|
$thumbname=hash('sha1',$_GET['url']).'.jpg';
|
|
if (is_file($cacheDir .'/'. $thumbname))
|
|
{ // We have the thumbnail, just serve it:
|
|
header('Content-Type: image/jpeg');
|
|
echo file_get_contents($cacheDir .'/'. $thumbname);
|
|
return;
|
|
}
|
|
// We may also serve a blank image (if service did not respond)
|
|
$blankname=hash('sha1',$_GET['url']).'.gif';
|
|
if (is_file($cacheDir .'/'. $blankname))
|
|
{
|
|
header('Content-Type: image/gif');
|
|
echo file_get_contents($cacheDir .'/'. $blankname);
|
|
return;
|
|
}
|
|
|
|
// Otherwise, generate the thumbnail.
|
|
$url = $_GET['url'];
|
|
$domain = parse_url($url,PHP_URL_HOST);
|
|
|
|
if ($domain=='flickr.com' || endsWith($domain,'.flickr.com'))
|
|
{
|
|
// Crude replacement to handle new flickr domain policy (They prefer www. now)
|
|
$url = str_replace('http://flickr.com/','http://www.flickr.com/',$url);
|
|
|
|
// Is this a link to an image, or to a flickr page ?
|
|
$imageurl='';
|
|
if (endsWith(parse_url($url, PHP_URL_PATH), '.jpg'))
|
|
{ // This is a direct link to an image. e.g. http://farm1.staticflickr.com/5/5921913_ac83ed27bd_o.jpg
|
|
preg_match('!(http://farm\d+\.staticflickr\.com/\d+/\d+_\w+_)\w.jpg!',$url,$matches);
|
|
if (!empty($matches[1])) $imageurl=$matches[1].'m.jpg';
|
|
}
|
|
else // This is a flickr page (html)
|
|
{
|
|
// Get the flickr html page.
|
|
list($headers, $content) = get_http_response($url, 20);
|
|
if (strpos($headers[0], '200 OK') !== false)
|
|
{
|
|
// flickr now nicely provides the URL of the thumbnail in each flickr page.
|
|
preg_match('!<link rel=\"image_src\" href=\"(.+?)\"!', $content, $matches);
|
|
if (!empty($matches[1])) $imageurl=$matches[1];
|
|
|
|
// In albums (and some other pages), the link rel="image_src" is not provided,
|
|
// but flickr provides:
|
|
// <meta property="og:image" content="http://farm4.staticflickr.com/3398/3239339068_25d13535ff_z.jpg" />
|
|
if ($imageurl=='')
|
|
{
|
|
preg_match('!<meta property=\"og:image\" content=\"(.+?)\"!', $content, $matches);
|
|
if (!empty($matches[1])) $imageurl=$matches[1];
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($imageurl!='')
|
|
{ // Let's download the image.
|
|
// Image is 240x120, so 10 seconds to download should be enough.
|
|
list($headers, $content) = get_http_response($imageurl, 10);
|
|
if (strpos($headers[0], '200 OK') !== false) {
|
|
// Save image to cache.
|
|
file_put_contents($cacheDir .'/'. $thumbname, $content);
|
|
header('Content-Type: image/jpeg');
|
|
echo $content;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
elseif ($domain=='vimeo.com' )
|
|
{
|
|
// This is more complex: we have to perform a HTTP request, then parse the result.
|
|
// Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098
|
|
$vid = substr(parse_url($url,PHP_URL_PATH),1);
|
|
list($headers, $content) = get_http_response('https://vimeo.com/api/v2/video/'.escape($vid).'.php', 5);
|
|
if (strpos($headers[0], '200 OK') !== false) {
|
|
$t = unserialize($content);
|
|
$imageurl = $t[0]['thumbnail_medium'];
|
|
// Then we download the image and serve it to our client.
|
|
list($headers, $content) = get_http_response($imageurl, 10);
|
|
if (strpos($headers[0], '200 OK') !== false) {
|
|
// Save image to cache.
|
|
file_put_contents($cacheDir .'/'. $thumbname, $content);
|
|
header('Content-Type: image/jpeg');
|
|
echo $content;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
elseif ($domain=='ted.com' || endsWith($domain,'.ted.com'))
|
|
{
|
|
// The thumbnail for TED talks is located in the <link rel="image_src" [...]> tag on that page
|
|
// http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html
|
|
// <link rel="image_src" href="http://images.ted.com/images/ted/28bced335898ba54d4441809c5b1112ffaf36781_389x292.jpg" />
|
|
list($headers, $content) = get_http_response($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)"!', $content, $matches);
|
|
if (!empty($matches[1]))
|
|
{ // Let's download the image.
|
|
$imageurl=$matches[1];
|
|
// No control on image size, so wait long enough
|
|
list($headers, $content) = get_http_response($imageurl, 20);
|
|
if (strpos($headers[0], '200 OK') !== false) {
|
|
$filepath = $cacheDir .'/'. $thumbname;
|
|
file_put_contents($filepath, $content); // Save image to cache.
|
|
if (resizeImage($filepath))
|
|
{
|
|
header('Content-Type: image/jpeg');
|
|
echo file_get_contents($filepath);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
elseif ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com'))
|
|
{
|
|
// There is no thumbnail available for xkcd comics, so download the whole image and resize it.
|
|
// http://xkcd.com/327/
|
|
// <img src="http://imgs.xkcd.com/comics/exploits_of_a_mom.png" title="<BLABLA>" alt="<BLABLA>" />
|
|
list($headers, $content) = get_http_response($url, 5);
|
|
if (strpos($headers[0], '200 OK') !== false) {
|
|
// Extract the link to the thumbnail
|
|
preg_match('!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!', $content, $matches);
|
|
if (!empty($matches[1]))
|
|
{ // Let's download the image.
|
|
$imageurl=$matches[1];
|
|
// No control on image size, so wait long enough
|
|
list($headers, $content) = get_http_response($imageurl, 20);
|
|
if (strpos($headers[0], '200 OK') !== false) {
|
|
$filepath = $cacheDir.'/'.$thumbname;
|
|
// Save image to cache.
|
|
file_put_contents($filepath, $content);
|
|
if (resizeImage($filepath))
|
|
{
|
|
header('Content-Type: image/jpeg');
|
|
echo file_get_contents($filepath);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
else
|
|
{
|
|
// For all other domains, we try to download the image and make a thumbnail.
|
|
// We allow 30 seconds max to download (and downloads are limited to 4 Mb)
|
|
list($headers, $content) = get_http_response($url, 30);
|
|
if (strpos($headers[0], '200 OK') !== false) {
|
|
$filepath = $cacheDir .'/'.$thumbname;
|
|
// Save image to cache.
|
|
file_put_contents($filepath, $content);
|
|
if (resizeImage($filepath))
|
|
{
|
|
header('Content-Type: image/jpeg');
|
|
echo file_get_contents($filepath);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Otherwise, return an empty image (8x8 transparent gif)
|
|
$blankgif = base64_decode('R0lGODlhCAAIAIAAAP///////yH5BAEKAAEALAAAAAAIAAgAAAIHjI+py+1dAAA7');
|
|
// Also put something in cache so that this URL is not requested twice.
|
|
file_put_contents($cacheDir .'/'. $blankname, $blankgif);
|
|
header('Content-Type: image/gif');
|
|
echo $blankgif;
|
|
}
|
|
|
|
// Make a thumbnail of the image (to width: 120 pixels)
|
|
// Returns true if success, false otherwise.
|
|
function resizeImage($filepath)
|
|
{
|
|
if (!function_exists('imagecreatefromjpeg')) return false; // GD not present: no thumbnail possible.
|
|
|
|
// Trick: some stupid people rename GIF as JPEG... or else.
|
|
// So we really try to open each image type whatever the extension is.
|
|
$header=file_get_contents($filepath,false,NULL,0,256); // Read first 256 bytes and try to sniff file type.
|
|
$im=false;
|
|
$i=strpos($header,'GIF8'); if (($i!==false) && ($i==0)) $im = imagecreatefromgif($filepath); // Well this is crude, but it should be enough.
|
|
$i=strpos($header,'PNG'); if (($i!==false) && ($i==1)) $im = imagecreatefrompng($filepath);
|
|
$i=strpos($header,'JFIF'); if ($i!==false) $im = imagecreatefromjpeg($filepath);
|
|
if (!$im) return false; // Unable to open image (corrupted or not an image)
|
|
$w = imagesx($im);
|
|
$h = imagesy($im);
|
|
$ystart = 0; $yheight=$h;
|
|
if ($h>$w) { $ystart= ($h/2)-($w/2); $yheight=$w/2; }
|
|
$nw = 120; // Desired width
|
|
$nh = min(floor(($h*$nw)/$w),120); // Compute new width/height, but maximum 120 pixels height.
|
|
// Resize image:
|
|
$im2 = imagecreatetruecolor($nw,$nh);
|
|
imagecopyresampled($im2, $im, 0, 0, 0, $ystart, $nw, $nh, $w, $yheight);
|
|
imageinterlace($im2,true); // For progressive JPEG.
|
|
$tempname=$filepath.'_TEMP.jpg';
|
|
imagejpeg($im2, $tempname, 90);
|
|
imagedestroy($im);
|
|
imagedestroy($im2);
|
|
unlink($filepath);
|
|
rename($tempname,$filepath); // Overwrite original picture with thumbnail.
|
|
return true;
|
|
}
|
|
|
|
if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=genthumbnail')) { genThumbnail($conf); exit; } // Thumbnail generation/cache does not need the link database.
|
|
if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=dailyrss')) { showDailyRSS($conf); exit; }
|
|
if (!isset($_SESSION['LINKS_PER_PAGE'])) {
|
|
$_SESSION['LINKS_PER_PAGE'] = $conf->get('general.links_per_page', 20);
|
|
}
|
|
renderPage($conf, $pluginManager);
|