2259 lines
92 KiB
PHP
2259 lines
92 KiB
PHP
<?php
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/**
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* Shaarli v0.7.0 - Shaare your links...
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*
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* The personal, minimalist, super-fast, no-database Delicious clone.
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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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* Hardcoded parameters
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* You should not touch any code below (or at your own risks!)
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* (These parameters can be overwritten by editing the file /data/config.php)
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* -----------------------------------------------------------------------------
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*/
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/*
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* Shaarli directories & configuration files
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*/
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// Data subdirectory
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$GLOBALS['config']['DATADIR'] = 'data';
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// Main configuration file
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$GLOBALS['config']['CONFIG_FILE'] = $GLOBALS['config']['DATADIR'].'/config.php';
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// Link datastore
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$GLOBALS['config']['DATASTORE'] = $GLOBALS['config']['DATADIR'].'/datastore.php';
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// Banned IPs
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$GLOBALS['config']['IPBANS_FILENAME'] = $GLOBALS['config']['DATADIR'].'/ipbans.php';
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// Processed updates file.
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$GLOBALS['config']['UPDATES_FILE'] = $GLOBALS['config']['DATADIR'].'/updates.txt';
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// Access log
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$GLOBALS['config']['LOG_FILE'] = $GLOBALS['config']['DATADIR'].'/log.txt';
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// For updates check of Shaarli
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$GLOBALS['config']['UPDATECHECK_FILENAME'] = $GLOBALS['config']['DATADIR'].'/lastupdatecheck.txt';
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// Set ENABLE_UPDATECHECK to disabled by default.
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$GLOBALS['config']['ENABLE_UPDATECHECK'] = false;
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// RainTPL cache directory (keep the trailing slash!)
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$GLOBALS['config']['RAINTPL_TMP'] = 'tmp/';
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// Raintpl template directory (keep the trailing slash!)
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$GLOBALS['config']['RAINTPL_TPL'] = 'tpl/';
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// Thumbnail cache directory
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$GLOBALS['config']['CACHEDIR'] = 'cache';
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// Atom & RSS feed cache directory
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$GLOBALS['config']['PAGECACHE'] = 'pagecache';
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/*
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* Global configuration
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*/
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// Ban IP after this many failures
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$GLOBALS['config']['BAN_AFTER'] = 4;
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// Ban duration for IP address after login failures (in seconds)
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$GLOBALS['config']['BAN_DURATION'] = 1800;
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// Feed options
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// Enable RSS permalinks by default.
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// This corresponds to the default behavior of shaarli before this was added as an option.
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$GLOBALS['config']['ENABLE_RSS_PERMALINKS'] = true;
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// If true, an extra "ATOM feed" button will be displayed in the toolbar
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$GLOBALS['config']['SHOW_ATOM'] = false;
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// Link display options
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$GLOBALS['config']['HIDE_PUBLIC_LINKS'] = false;
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$GLOBALS['config']['HIDE_TIMESTAMPS'] = false;
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$GLOBALS['config']['LINKS_PER_PAGE'] = 20;
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// Open Shaarli (true): anyone can add/edit/delete links without having to login
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$GLOBALS['config']['OPEN_SHAARLI'] = false;
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// Thumbnails
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// Display thumbnails in links
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$GLOBALS['config']['ENABLE_THUMBNAILS'] = true;
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// Store thumbnails in a local cache
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$GLOBALS['config']['ENABLE_LOCALCACHE'] = true;
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// Update check frequency for Shaarli. 86400 seconds=24 hours
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$GLOBALS['config']['UPDATECHECK_BRANCH'] = 'stable';
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$GLOBALS['config']['UPDATECHECK_INTERVAL'] = 86400;
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$GLOBALS['config']['REDIRECTOR_URLENCODE'] = true;
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/*
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* Plugin configuration
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*
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* Warning: order matters!
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*
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* These settings may be be overriden in:
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* - data/config.php
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* - each plugin's configuration file
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*/
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//$GLOBALS['config']['ENABLED_PLUGINS'] = array(
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// 'qrcode', 'archiveorg', 'readityourself', 'demo_plugin', 'playvideos',
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// 'wallabag', 'markdown', 'addlink_toolbar',
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//);
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$GLOBALS['config']['ENABLED_PLUGINS'] = array('qrcode');
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// Initialize plugin parameters array.
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$GLOBALS['plugins'] = array();
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// PubSubHubbub support. Put an empty string to disable, or put your hub url here to enable.
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$GLOBALS['config']['PUBSUBHUB_URL'] = '';
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/*
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* PHP configuration
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*/
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define('shaarli_version', '0.7.0');
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// http://server.com/x/shaarli --> /shaarli/
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define('WEB_PATH', substr($_SERVER["REQUEST_URI"], 0, 1+strrpos($_SERVER["REQUEST_URI"], '/', 0)));
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// High execution time in case of problematic imports/exports.
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ini_set('max_input_time','60');
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// Try to set max upload file size and read
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ini_set('memory_limit', '128M');
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ini_set('post_max_size', '16M');
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ini_set('upload_max_filesize', '16M');
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// See all error except warnings
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error_reporting(E_ALL^E_WARNING);
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// See all errors (for debugging only)
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//error_reporting(-1);
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/*
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* User configuration
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*/
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if (is_file($GLOBALS['config']['CONFIG_FILE'])) {
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require_once $GLOBALS['config']['CONFIG_FILE'];
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}
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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/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/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/Config.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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include "inc/rain.tpl.class.php"; //include Rain TPL
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raintpl::$tpl_dir = $GLOBALS['config']['RAINTPL_TPL']; // template directory
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raintpl::$cache_dir = $GLOBALS['config']['RAINTPL_TMP']; // cache directory
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$pluginManager = PluginManager::getInstance();
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$pluginManager->load($GLOBALS['config']['ENABLED_PLUGINS']);
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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', $_COOKIE);
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}
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// Prevent caching on client side or proxy: (yes, it's ugly)
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header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
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header("Cache-Control: no-store, no-cache, must-revalidate");
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header("Cache-Control: post-check=0, pre-check=0", false);
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header("Pragma: no-cache");
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// Handling of old config file which do not have the new parameters.
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if (empty($GLOBALS['title'])) $GLOBALS['title']='Shared links on '.escape(index_url($_SERVER));
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if (empty($GLOBALS['timezone'])) $GLOBALS['timezone']=date_default_timezone_get();
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if (empty($GLOBALS['redirector'])) $GLOBALS['redirector']='';
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if (empty($GLOBALS['disablesessionprotection'])) $GLOBALS['disablesessionprotection']=false;
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if (empty($GLOBALS['privateLinkByDefault'])) $GLOBALS['privateLinkByDefault']=false;
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if (empty($GLOBALS['titleLink'])) $GLOBALS['titleLink']='?';
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// I really need to rewrite Shaarli with a proper configuation manager.
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if (! is_file($GLOBALS['config']['CONFIG_FILE'])) {
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// Ensure Shaarli has proper access to its resources
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$errors = ApplicationUtils::checkResourcePermissions($GLOBALS['config']);
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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 $message;
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exit;
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}
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// Display the installation form if no existing config is found
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install();
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}
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$GLOBALS['title'] = !empty($GLOBALS['title']) ? escape($GLOBALS['title']) : '';
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$GLOBALS['titleLink'] = !empty($GLOBALS['titleLink']) ? escape($GLOBALS['titleLink']) : '';
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$GLOBALS['redirector'] = !empty($GLOBALS['redirector']) ? escape($GLOBALS['redirector']) : '';
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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($GLOBALS['hash'].$_SERVER["REMOTE_ADDR"].$GLOBALS['salt']));
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// Sniff browser language and set date format accordingly.
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if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
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autoLocale($_SERVER['HTTP_ACCEPT_LANGUAGE']);
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}
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header('Content-Type: text/html; charset=utf-8'); // We use UTF-8 for proper international characters handling.
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//==================================================================================================
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// Checking session state (i.e. is the user still logged in)
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//==================================================================================================
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function setup_login_state() {
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if ($GLOBALS['config']['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 (!isset($GLOBALS['login'])) {
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$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();
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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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($GLOBALS['disablesessionprotection']==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();
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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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if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) include './publisher.php';
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function pubsubhub()
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{
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if (!empty($GLOBALS['config']['PUBSUBHUB_URL']))
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{
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$p = new Publisher($GLOBALS['config']['PUBSUBHUB_URL']);
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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 $ip;
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}
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function fillSessionInfo() {
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$_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']=$GLOBALS['login'];
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$_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Set session expiration.
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}
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// Check that user/password is correct.
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function check_auth($login,$password)
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{
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$hash = sha1($password.$login.$GLOBALS['salt']);
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if ($login==$GLOBALS['login'] && $hash==$GLOBALS['hash'])
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{ // Login/password is correct.
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fillSessionInfo();
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logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'Login successful');
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return True;
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}
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logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'Login failed for user '.$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($GLOBALS['config']['IPBANS_FILENAME'])) file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export(array('FAILURES'=>array(),'BANS'=>array()),true).";\n?>");
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include $GLOBALS['config']['IPBANS_FILENAME'];
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// Signal a failed login. Will ban the IP if too many failures:
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function ban_loginFailed()
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{
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$ip=$_SERVER["REMOTE_ADDR"]; $gb=$GLOBALS['IPBANS'];
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if (!isset($gb['FAILURES'][$ip])) $gb['FAILURES'][$ip]=0;
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$gb['FAILURES'][$ip]++;
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if ($gb['FAILURES'][$ip]>($GLOBALS['config']['BAN_AFTER']-1))
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{
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$gb['BANS'][$ip]=time()+$GLOBALS['config']['BAN_DURATION'];
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logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'IP address banned from login');
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}
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$GLOBALS['IPBANS'] = $gb;
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file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>");
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}
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// Signals a successful login. Resets failed login counter.
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function ban_loginOk()
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{
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$ip=$_SERVER["REMOTE_ADDR"]; $gb=$GLOBALS['IPBANS'];
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unset($gb['FAILURES'][$ip]); unset($gb['BANS'][$ip]);
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$GLOBALS['IPBANS'] = $gb;
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file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>");
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}
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// Checks if the user CAN login. If 'true', the user can try to login.
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function ban_canLogin()
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{
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$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($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'Ban lifted.');
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unset($gb['FAILURES'][$ip]); unset($gb['BANS'][$ip]);
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file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>");
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return true; // Ban has expired, user can login.
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}
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return false; // User is banned.
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}
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return true; // User is not banned.
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}
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// ------------------------------------------------------------------------------------------
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// Process login form: Check if login/password is correct.
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if (isset($_POST['login']))
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{
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if (!ban_canLogin()) die('I said: NO. You are banned for the moment. Go away.');
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if (isset($_POST['password']) && tokenOk($_POST['token']) && (check_auth($_POST['login'], $_POST['password'])))
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{ // Login/password is OK.
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ban_loginOk();
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// If user wants to keep the session cookie even after the browser closes:
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if (!empty($_POST['longlastingsession']))
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{
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setcookie('shaarli_staySignedIn', STAY_SIGNED_IN_TOKEN, time()+31536000, WEB_PATH);
|
|
$_SESSION['longlastingsession']=31536000; // (31536000 seconds = 1 year)
|
|
$_SESSION['expires_on']=time()+$_SESSION['longlastingsession']; // Set session expiration on server-side.
|
|
|
|
$cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/';
|
|
session_set_cookie_params($_SESSION['longlastingsession'],$cookiedir,$_SERVER['SERVER_NAME']); // Set session cookie expiration on client side
|
|
// Note: Never forget the trailing slash on the cookie path!
|
|
session_regenerate_id(true); // Send cookie with new expiration date to browser.
|
|
}
|
|
else // Standard session expiration (=when browser closes)
|
|
{
|
|
$cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/';
|
|
session_set_cookie_params(0,$cookiedir,$_SERVER['SERVER_NAME']); // 0 means "When browser closes"
|
|
session_regenerate_id(true);
|
|
}
|
|
|
|
// Optional redirect after login:
|
|
if (isset($_GET['post'])) {
|
|
$uri = '?post='. urlencode($_GET['post']);
|
|
foreach (array('description', 'source', 'title') as $param) {
|
|
if (!empty($_GET[$param])) {
|
|
$uri .= '&'.$param.'='.urlencode($_GET[$param]);
|
|
}
|
|
}
|
|
header('Location: '. $uri);
|
|
exit;
|
|
}
|
|
|
|
if (isset($_GET['edit_link'])) {
|
|
header('Location: ?edit_link='. escape($_GET['edit_link']));
|
|
exit;
|
|
}
|
|
|
|
if (isset($_POST['returnurl'])) {
|
|
// Prevent loops over login screen.
|
|
if (strpos($_POST['returnurl'], 'do=login') === false) {
|
|
header('Location: '. generateLocation($_POST['returnurl'], $_SERVER['HTTP_HOST']));
|
|
exit;
|
|
}
|
|
}
|
|
header('Location: ?'); exit;
|
|
}
|
|
else
|
|
{
|
|
ban_loginFailed();
|
|
$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.
|
|
function getToken()
|
|
{
|
|
$rnd = sha1(uniqid('',true).'_'.mt_rand().$GLOBALS['salt']); // We generate a random string.
|
|
$_SESSION['tokens'][$rnd]=1; // Store it on the server side.
|
|
return $rnd;
|
|
}
|
|
|
|
// Tells if a token is OK. Using this function will destroy the token.
|
|
// true=token is OK.
|
|
function tokenOk($token)
|
|
{
|
|
if (isset($_SESSION['tokens'][$token]))
|
|
{
|
|
unset($_SESSION['tokens'][$token]); // Token is used: destroy it.
|
|
return true; // Token is OK.
|
|
}
|
|
return false; // Wrong token, or already used.
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------
|
|
// Daily RSS feed: 1 RSS entry per day giving all the links on that day.
|
|
// Gives the last 7 days (which have links).
|
|
// This RSS feed cannot be filtered.
|
|
function showDailyRSS() {
|
|
// Cache system
|
|
$query = $_SERVER['QUERY_STRING'];
|
|
$cache = new CachedPage(
|
|
$GLOBALS['config']['PAGECACHE'],
|
|
page_url($_SERVER),
|
|
startsWith($query,'do=dailyrss') && !isLoggedIn()
|
|
);
|
|
$cached = $cache->cachedVersion();
|
|
if (!empty($cached)) {
|
|
echo $cached;
|
|
exit;
|
|
}
|
|
|
|
// If cached was not found (or not usable), then read the database and build the response:
|
|
// Read links from database (and filter private links if used it not logged in).
|
|
$LINKSDB = new LinkDB(
|
|
$GLOBALS['config']['DATASTORE'],
|
|
isLoggedIn(),
|
|
$GLOBALS['config']['HIDE_PUBLIC_LINKS'],
|
|
$GLOBALS['redirector'],
|
|
$GLOBALS['config']['REDIRECTOR_URLENCODE']
|
|
);
|
|
|
|
/* Some Shaarlies may have very few links, so we need to look
|
|
back in time (rsort()) until we have enough days ($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 - '. $GLOBALS['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'], $GLOBALS['redirector']);
|
|
$l['thumbnail'] = thumbnail($l['url']);
|
|
$l_date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $l['linkdate']);
|
|
$l['timestamp'] = $l_date->getTimestamp();
|
|
if (startsWith($l['url'], '?')) {
|
|
$l['url'] = index_url($_SERVER) . $l['url']; // make permalink URL absolute
|
|
}
|
|
$links[$linkdate] = $l;
|
|
}
|
|
|
|
// Then build the HTML for this day:
|
|
$tpl = new RainTPL;
|
|
$tpl->assign('title', $GLOBALS['title']);
|
|
$tpl->assign('daydate', $dayDate->getTimestamp());
|
|
$tpl->assign('absurl', $absurl);
|
|
$tpl->assign('links', $links);
|
|
$tpl->assign('rssdate', escape($dayDate->format(DateTime::RSS)));
|
|
$html = $tpl->draw('dailyrss', $return_string=true);
|
|
|
|
echo $html . PHP_EOL;
|
|
}
|
|
echo '</channel></rss><!-- Cached version of '. escape(page_url($_SERVER)) .' -->';
|
|
|
|
$cache->cache(ob_get_contents());
|
|
ob_end_flush();
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Show the 'Daily' page.
|
|
*
|
|
* @param PageBuilder $pageBuilder Template engine wrapper.
|
|
* @param LinkDB $LINKSDB LinkDB instance.
|
|
*/
|
|
function showDaily($pageBuilder, $LINKSDB)
|
|
{
|
|
$day=Date('Ymd',strtotime('-1 day')); // Yesterday, in format YYYYMMDD.
|
|
if (isset($_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'], $GLOBALS['redirector']);
|
|
$linksToDisplay[$key]['thumbnail'] = thumbnail($link['url']);
|
|
$date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
|
|
$linksToDisplay[$key]['timestamp'] = $date->getTimestamp();
|
|
}
|
|
|
|
/* We need to spread the articles on 3 columns.
|
|
I did not want to use a JavaScript lib like http://masonry.desandro.com/
|
|
so I manually spread entries with a simple method: I roughly evaluate the
|
|
height of a div according to title and description length.
|
|
*/
|
|
$columns=array(array(),array(),array()); // Entries to display, for each column.
|
|
$fill=array(0,0,0); // Rough estimate of columns fill.
|
|
foreach($linksToDisplay as $key=>$link)
|
|
{
|
|
// Roughly estimate length of entry (by counting characters)
|
|
// Title: 30 chars = 1 line. 1 line is 30 pixels height.
|
|
// Description: 836 characters gives roughly 342 pixel height.
|
|
// This is not perfect, but it's usually OK.
|
|
$length=strlen($link['title'])+(342*strlen($link['description']))/836;
|
|
if ($link['thumbnail']) $length +=100; // 1 thumbnails roughly takes 100 pixels height.
|
|
// Then put in column which is the less filled:
|
|
$smallest=min($fill); // find smallest value in array.
|
|
$index=array_search($smallest,$fill); // find index of this smallest value.
|
|
array_push($columns[$index],$link); // Put entry in this column.
|
|
$fill[$index]+=$length;
|
|
}
|
|
|
|
$dayDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $day.'_000000');
|
|
$data = array(
|
|
'linksToDisplay' => $linksToDisplay,
|
|
'cols' => $columns,
|
|
'day' => $dayDate->getTimestamp(),
|
|
'previousday' => $previousday,
|
|
'nextday' => $nextday,
|
|
);
|
|
$pluginManager = PluginManager::getInstance();
|
|
$pluginManager->executeHooks('render_daily', $data, array('loggedin' => isLoggedIn()));
|
|
|
|
foreach ($data as $key => $value) {
|
|
$pageBuilder->assign($key, $value);
|
|
}
|
|
|
|
$pageBuilder->renderPage('daily');
|
|
exit;
|
|
}
|
|
|
|
// Renders the linklist
|
|
function showLinkList($PAGE, $LINKSDB) {
|
|
buildLinkList($PAGE,$LINKSDB); // Compute list of links to display
|
|
$PAGE->renderPage('linklist');
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------------------------------
|
|
// Render HTML page (according to URL parameters and user rights)
|
|
function renderPage()
|
|
{
|
|
$LINKSDB = new LinkDB(
|
|
$GLOBALS['config']['DATASTORE'],
|
|
isLoggedIn(),
|
|
$GLOBALS['config']['HIDE_PUBLIC_LINKS'],
|
|
$GLOBALS['redirector'],
|
|
$GLOBALS['config']['REDIRECTOR_URLENCODE']
|
|
);
|
|
|
|
$updater = new Updater(
|
|
read_updates_file($GLOBALS['config']['UPDATES_FILE']),
|
|
$GLOBALS,
|
|
$LINKSDB,
|
|
isLoggedIn()
|
|
);
|
|
try {
|
|
$newUpdates = $updater->update();
|
|
if (! empty($newUpdates)) {
|
|
write_updates_file(
|
|
$GLOBALS['config']['UPDATES_FILE'],
|
|
$updater->getDoneUpdates()
|
|
);
|
|
}
|
|
}
|
|
catch(Exception $e) {
|
|
die($e->getMessage());
|
|
}
|
|
|
|
$PAGE = new PageBuilder();
|
|
$PAGE->assign('linkcount', count($LINKSDB));
|
|
$PAGE->assign('privateLinkcount', count_private($LINKSDB));
|
|
|
|
// Determine which page will be rendered.
|
|
$query = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : '';
|
|
$targetPage = Router::findPage($query, $_GET, isLoggedIn());
|
|
|
|
// Call plugin hooks for header, footer and includes, specifying which page will be rendered.
|
|
// Then assign generated data to RainTPL.
|
|
$common_hooks = array(
|
|
'includes',
|
|
'header',
|
|
'footer',
|
|
);
|
|
$pluginManager = PluginManager::getInstance();
|
|
foreach($common_hooks as $name) {
|
|
$plugin_data = array();
|
|
$pluginManager->executeHooks('render_' . $name, $plugin_data,
|
|
array(
|
|
'target' => $targetPage,
|
|
'loggedin' => isLoggedIn()
|
|
)
|
|
);
|
|
$PAGE->assign('plugins_' . $name, $plugin_data);
|
|
}
|
|
|
|
// -------- Display login form.
|
|
if ($targetPage == Router::$PAGE_LOGIN)
|
|
{
|
|
if ($GLOBALS['config']['OPEN_SHAARLI']) { header('Location: ?'); exit; } // No need to login for open Shaarli
|
|
$token=''; if (ban_canLogin()) $token=getToken(); // Do not waste token generation if not useful.
|
|
$PAGE->assign('token',$token);
|
|
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($_SERVER['QUERY_STRING'], 'do=logout'))
|
|
{
|
|
invalidateCaches($GLOBALS['config']['PAGECACHE']);
|
|
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']));
|
|
$thumb=lazyThumbnail($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, $LINKSDB);
|
|
}
|
|
|
|
// ATOM and RSS feed.
|
|
if ($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(
|
|
$GLOBALS['config']['PAGECACHE'],
|
|
page_url($_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)));
|
|
$feedGenerator->setHideDates($GLOBALS['config']['HIDE_TIMESTAMPS'] && !isLoggedIn());
|
|
$feedGenerator->setUsePermalinks(isset($_GET['permalinks']) || !$GLOBALS['config']['ENABLE_RSS_PERMALINKS']);
|
|
if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) {
|
|
$feedGenerator->setPubsubhubUrl($GLOBALS['config']['PUBSUBHUB_URL']);
|
|
}
|
|
$data = $feedGenerator->buildData();
|
|
|
|
// Process plugin hook.
|
|
$pluginManager = PluginManager::getInstance();
|
|
$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, $LINKSDB);
|
|
if (isset($_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::$PAGE_CHANGEPASSWORD)
|
|
{
|
|
if ($GLOBALS['config']['OPEN_SHAARLI']) die('You are not supposed to change a password on an Open Shaarli.');
|
|
if (!empty($_POST['setpassword']) && !empty($_POST['oldpassword']))
|
|
{
|
|
if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away!
|
|
|
|
// Make sure old password is correct.
|
|
$oldhash = sha1($_POST['oldpassword'].$GLOBALS['login'].$GLOBALS['salt']);
|
|
if ($oldhash!=$GLOBALS['hash']) { echo '<script>alert("The old password is not correct.");document.location=\'?do=changepasswd\';</script>'; exit; }
|
|
// Save new password
|
|
$GLOBALS['salt'] = sha1(uniqid('',true).'_'.mt_rand()); // Salt renders rainbow-tables attacks useless.
|
|
$GLOBALS['hash'] = sha1($_POST['setpassword'].$GLOBALS['login'].$GLOBALS['salt']);
|
|
try {
|
|
writeConfig($GLOBALS, isLoggedIn());
|
|
}
|
|
catch(Exception $e) {
|
|
error_log(
|
|
'ERROR while writing config file after changing password.' . PHP_EOL .
|
|
$e->getMessage()
|
|
);
|
|
|
|
// TODO: do not handle exceptions/errors in JS.
|
|
echo '<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->assign('token',getToken());
|
|
$PAGE->renderPage('changepassword');
|
|
exit;
|
|
}
|
|
}
|
|
|
|
// -------- User wants to change configuration
|
|
if ($targetPage == Router::$PAGE_CONFIGURE)
|
|
{
|
|
if (!empty($_POST['title']) )
|
|
{
|
|
if (!tokenOk($_POST['token'])) {
|
|
die('Wrong token.'); // Go away!
|
|
}
|
|
$tz = 'UTC';
|
|
if (!empty($_POST['continent']) && !empty($_POST['city'])
|
|
&& isTimeZoneValid($_POST['continent'], $_POST['city'])
|
|
) {
|
|
$tz = $_POST['continent'] . '/' . $_POST['city'];
|
|
}
|
|
$GLOBALS['timezone'] = $tz;
|
|
$GLOBALS['title']=$_POST['title'];
|
|
$GLOBALS['titleLink']=$_POST['titleLink'];
|
|
$GLOBALS['redirector']=$_POST['redirector'];
|
|
$GLOBALS['disablesessionprotection']=!empty($_POST['disablesessionprotection']);
|
|
$GLOBALS['privateLinkByDefault']=!empty($_POST['privateLinkByDefault']);
|
|
$GLOBALS['config']['ENABLE_RSS_PERMALINKS']= !empty($_POST['enableRssPermalinks']);
|
|
$GLOBALS['config']['ENABLE_UPDATECHECK'] = !empty($_POST['updateCheck']);
|
|
$GLOBALS['config']['HIDE_PUBLIC_LINKS'] = !empty($_POST['hidePublicLinks']);
|
|
try {
|
|
writeConfig($GLOBALS, isLoggedIn());
|
|
}
|
|
catch(Exception $e) {
|
|
error_log(
|
|
'ERROR while writing config file after configuration update.' . PHP_EOL .
|
|
$e->getMessage()
|
|
);
|
|
|
|
// TODO: do not handle exceptions/errors in JS.
|
|
echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=tools\';</script>';
|
|
exit;
|
|
}
|
|
echo '<script>alert("Configuration was saved.");document.location=\'?do=tools\';</script>';
|
|
exit;
|
|
}
|
|
else // Show the configuration form.
|
|
{
|
|
$PAGE->assign('token',getToken());
|
|
$PAGE->assign('title', empty($GLOBALS['title']) ? '' : $GLOBALS['title'] );
|
|
$PAGE->assign('redirector', empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector'] );
|
|
list($timezone_form, $timezone_js) = generateTimeZoneForm($GLOBALS['timezone']);
|
|
$PAGE->assign('timezone_form', $timezone_form);
|
|
$PAGE->assign('timezone_js',$timezone_js);
|
|
$PAGE->renderPage('configure');
|
|
exit;
|
|
}
|
|
}
|
|
|
|
// -------- User wants to rename a tag or delete it
|
|
if ($targetPage == Router::$PAGE_CHANGETAG)
|
|
{
|
|
if (empty($_POST['fromtag']) || (empty($_POST['totag']) && isset($_POST['renametag']))) {
|
|
$PAGE->assign('token', getToken());
|
|
$PAGE->assign('tags', $LINKSDB->allTags());
|
|
$PAGE->renderPage('changetag');
|
|
exit;
|
|
}
|
|
|
|
if (!tokenOk($_POST['token'])) {
|
|
die('Wrong token.');
|
|
}
|
|
|
|
// Delete a tag:
|
|
if (isset($_POST['deletetag']) && !empty($_POST['fromtag'])) {
|
|
$needle = trim($_POST['fromtag']);
|
|
// True for case-sensitive tag search.
|
|
$linksToAlter = $LINKSDB->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;
|
|
}
|
|
$LINKSDB->savedb($GLOBALS['config']['PAGECACHE']);
|
|
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;
|
|
}
|
|
$LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // 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']))
|
|
{
|
|
// Go away!
|
|
if (! tokenOk($_POST['token'])) {
|
|
die('Wrong token.');
|
|
}
|
|
// Remove multiple spaces.
|
|
$tags = trim(preg_replace('/\s\s+/', ' ', $_POST['lf_tags']));
|
|
// Remove first '-' char in tags.
|
|
$tags = preg_replace('/(^| )\-/', '$1', $tags);
|
|
// Remove duplicates.
|
|
$tags = implode(' ', array_unique(explode(' ', $tags)));
|
|
$linkdate = $_POST['lf_linkdate'];
|
|
$url = trim($_POST['lf_url']);
|
|
if (! startsWith($url, 'http:') && ! startsWith($url, 'https:')
|
|
&& ! startsWith($url, 'ftp:') && ! startsWith($url, 'magnet:')
|
|
&& ! startsWith($url, '?') && ! startsWith($url, 'javascript:')
|
|
) {
|
|
$url = 'http://' . $url;
|
|
}
|
|
|
|
$link = array(
|
|
'title' => trim($_POST['lf_title']),
|
|
'url' => $url,
|
|
'description' => $_POST['lf_description'],
|
|
'private' => (isset($_POST['lf_private']) ? 1 : 0),
|
|
'linkdate' => $linkdate,
|
|
'tags' => str_replace(',', ' ', $tags)
|
|
);
|
|
// If title is empty, use the URL as title.
|
|
if ($link['title'] == '') {
|
|
$link['title'] = $link['url'];
|
|
}
|
|
|
|
$pluginManager->executeHooks('save_link', $link);
|
|
|
|
$LINKSDB[$linkdate] = $link;
|
|
$LINKSDB->savedb($GLOBALS['config']['PAGECACHE']);
|
|
pubsubhub();
|
|
|
|
// If we are called from the bookmarklet, we must close the popup:
|
|
if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) {
|
|
echo '<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]);
|
|
$LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // save to disk
|
|
|
|
// If we are called from the bookmarklet, we must close the popup:
|
|
if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo '<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' => $link,
|
|
'link_is_new' => false,
|
|
'token' => getToken(),
|
|
'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
|
|
'tags' => $LINKSDB->allTags(),
|
|
);
|
|
$pluginManager->executeHooks('render_editlink', $data);
|
|
|
|
foreach ($data as $key => $value) {
|
|
$PAGE->assign($key, $value);
|
|
}
|
|
|
|
$PAGE->renderPage('editlink');
|
|
exit;
|
|
}
|
|
|
|
// -------- User want to post a new link: Display link edit form.
|
|
if (isset($_GET['post'])) {
|
|
$url = cleanup_url($_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' => $link_is_new,
|
|
'token' => getToken(), // XSRF protection.
|
|
'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
|
|
'source' => (isset($_GET['source']) ? $_GET['source'] : ''),
|
|
'tags' => $LINKSDB->allTags(),
|
|
);
|
|
$pluginManager->executeHooks('render_editlink', $data);
|
|
|
|
foreach ($data as $key => $value) {
|
|
$PAGE->assign($key, $value);
|
|
}
|
|
|
|
$PAGE->renderPage('editlink');
|
|
exit;
|
|
}
|
|
|
|
if ($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);
|
|
$PAGE->renderPage('export.bookmarks');
|
|
exit;
|
|
}
|
|
|
|
// -------- User is uploading a file for import
|
|
if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=upload'))
|
|
{
|
|
// If file is too big, some form field may be missing.
|
|
if (!isset($_POST['token']) || (!isset($_FILES)) || (isset($_FILES['filetoupload']['size']) && $_FILES['filetoupload']['size']==0))
|
|
{
|
|
$returnurl = ( empty($_SERVER['HTTP_REFERER']) ? '?' : $_SERVER['HTTP_REFERER'] );
|
|
echo '<script>alert("The file you are trying to upload is probably bigger than what this webserver can accept ('.getMaxFileSize().' bytes). Please upload in smaller chunks.");document.location=\''.escape($returnurl).'\';</script>';
|
|
exit;
|
|
}
|
|
if (!tokenOk($_POST['token'])) die('Wrong token.');
|
|
importFile($LINKSDB);
|
|
exit;
|
|
}
|
|
|
|
// -------- Show upload/import dialog:
|
|
if ($targetPage == Router::$PAGE_IMPORT)
|
|
{
|
|
$PAGE->assign('token',getToken());
|
|
$PAGE->assign('maxfilesize',getMaxFileSize());
|
|
$PAGE->renderPage('import');
|
|
exit;
|
|
}
|
|
|
|
// Plugin administration page
|
|
if ($targetPage == Router::$PAGE_PLUGINSADMIN) {
|
|
$pluginMeta = $pluginManager->getPluginsMeta();
|
|
|
|
// Split plugins into 2 arrays: ordered enabled plugins and disabled.
|
|
$enabledPlugins = array_filter($pluginMeta, function($v) { return $v['order'] !== false; });
|
|
// Load parameters.
|
|
$enabledPlugins = load_plugin_parameter_values($enabledPlugins, $GLOBALS['plugins']);
|
|
uasort(
|
|
$enabledPlugins,
|
|
function($a, $b) { return $a['order'] - $b['order']; }
|
|
);
|
|
$disabledPlugins = array_filter($pluginMeta, function($v) { return $v['order'] === false; });
|
|
|
|
$PAGE->assign('enabledPlugins', $enabledPlugins);
|
|
$PAGE->assign('disabledPlugins', $disabledPlugins);
|
|
$PAGE->renderPage('pluginsadmin');
|
|
exit;
|
|
}
|
|
|
|
// Plugin administration form action
|
|
if ($targetPage == Router::$PAGE_SAVE_PLUGINSADMIN) {
|
|
try {
|
|
if (isset($_POST['parameters_form'])) {
|
|
unset($_POST['parameters_form']);
|
|
foreach ($_POST as $param => $value) {
|
|
$GLOBALS['plugins'][$param] = escape($value);
|
|
}
|
|
}
|
|
else {
|
|
$GLOBALS['config']['ENABLED_PLUGINS'] = save_plugin_config($_POST);
|
|
}
|
|
writeConfig($GLOBALS, isLoggedIn());
|
|
}
|
|
catch (Exception $e) {
|
|
error_log(
|
|
'ERROR while saving plugin configuration:.' . PHP_EOL .
|
|
$e->getMessage()
|
|
);
|
|
|
|
// TODO: do not handle exceptions/errors in JS.
|
|
echo '<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, $LINKSDB);
|
|
exit;
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------------------------
|
|
// Process the import file form.
|
|
function importFile($LINKSDB)
|
|
{
|
|
if (!isLoggedIn()) { die('Not allowed.'); }
|
|
|
|
$filename=$_FILES['filetoupload']['name'];
|
|
$filesize=$_FILES['filetoupload']['size'];
|
|
$data=file_get_contents($_FILES['filetoupload']['tmp_name']);
|
|
$private = (empty($_POST['private']) ? 0 : 1); // Should the links be imported as private?
|
|
$overwrite = !empty($_POST['overwrite']) ; // Should the imported links overwrite existing ones?
|
|
$import_count=0;
|
|
|
|
// Sniff file type:
|
|
$type='unknown';
|
|
if (startsWith($data,'<!DOCTYPE NETSCAPE-Bookmark-file-1>')) $type='netscape'; // Netscape bookmark file (aka Firefox).
|
|
|
|
// Then import the bookmarks.
|
|
if ($type=='netscape')
|
|
{
|
|
// This is a standard Netscape-style bookmark file.
|
|
// This format is supported by all browsers (except IE, of course), also Delicious, Diigo and others.
|
|
foreach(explode('<DT>',$data) as $html) // explode is very fast
|
|
{
|
|
$link = array('linkdate'=>'','title'=>'','url'=>'','description'=>'','tags'=>'','private'=>0);
|
|
$d = explode('<DD>',$html);
|
|
if (startsWith($d[0], '<A '))
|
|
{
|
|
$link['description'] = (isset($d[1]) ? html_entity_decode(trim($d[1]),ENT_QUOTES,'UTF-8') : ''); // Get description (optional)
|
|
preg_match('!<A .*?>(.*?)</A>!i',$d[0],$matches); $link['title'] = (isset($matches[1]) ? trim($matches[1]) : ''); // Get title
|
|
$link['title'] = html_entity_decode($link['title'],ENT_QUOTES,'UTF-8');
|
|
preg_match_all('! ([A-Z_]+)=\"(.*?)"!i',$html,$matches,PREG_SET_ORDER); // Get all other attributes
|
|
$raw_add_date=0;
|
|
foreach($matches as $m)
|
|
{
|
|
$attr=$m[1]; $value=$m[2];
|
|
if ($attr=='HREF') $link['url']=html_entity_decode($value,ENT_QUOTES,'UTF-8');
|
|
elseif ($attr=='ADD_DATE')
|
|
{
|
|
$raw_add_date=intval($value);
|
|
if ($raw_add_date>30000000000) $raw_add_date/=1000; //If larger than year 2920, then was likely stored in milliseconds instead of seconds
|
|
}
|
|
elseif ($attr=='PRIVATE') $link['private']=($value=='0'?0:1);
|
|
elseif ($attr=='TAGS') $link['tags']=html_entity_decode(str_replace(',',' ',$value),ENT_QUOTES,'UTF-8');
|
|
}
|
|
if ($link['url']!='')
|
|
{
|
|
if ($private==1) $link['private']=1;
|
|
$dblink = $LINKSDB->getLinkFromUrl($link['url']); // See if the link is already in database.
|
|
if ($dblink==false)
|
|
{ // Link not in database, let's import it...
|
|
if (empty($raw_add_date)) $raw_add_date=time(); // In case of shitty bookmark file with no ADD_DATE
|
|
|
|
// Make sure date/time is not already used by another link.
|
|
// (Some bookmark files have several different links with the same ADD_DATE)
|
|
// We increment date by 1 second until we find a date which is not used in DB.
|
|
// (so that links that have the same date/time are more or less kept grouped by date, but do not conflict.)
|
|
while (!empty($LINKSDB[date('Ymd_His',$raw_add_date)])) { $raw_add_date++; }// Yes, I know it's ugly.
|
|
$link['linkdate']=date('Ymd_His',$raw_add_date);
|
|
$LINKSDB[$link['linkdate']] = $link;
|
|
$import_count++;
|
|
}
|
|
else // Link already present in database.
|
|
{
|
|
if ($overwrite)
|
|
{ // If overwrite is required, we import link data, except date/time.
|
|
$link['linkdate']=$dblink['linkdate'];
|
|
$LINKSDB[$link['linkdate']] = $link;
|
|
$import_count++;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
$LINKSDB->savedb($GLOBALS['config']['PAGECACHE']);
|
|
|
|
echo '<script>alert("File '.json_encode($filename).' ('.$filesize.' bytes) was successfully processed: '.$import_count.' links imported.");document.location=\'?\';</script>';
|
|
}
|
|
else
|
|
{
|
|
echo '<script>alert("File '.json_encode($filename).' ('.$filesize.' bytes) has an unknown file format. Nothing was imported.");document.location=\'?\';</script>';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 $LINKSDB LinkDB instance.
|
|
*/
|
|
function buildLinkList($PAGE,$LINKSDB)
|
|
{
|
|
// 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[] = $key;
|
|
}
|
|
|
|
// If there is only a single link, we change on-the-fly the title of the page.
|
|
if (count($linksToDisplay) == 1) {
|
|
$GLOBALS['pagetitle'] = $linksToDisplay[$keys[0]]['title'].' - '.$GLOBALS['title'];
|
|
}
|
|
|
|
// 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'], $GLOBALS['redirector']);
|
|
$classLi = ($i % 2) != 0 ? '' : 'publicLinkHightLight';
|
|
$link['class'] = $link['private'] == 0 ? $classLi : 'private';
|
|
$date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
|
|
$link['timestamp'] = $date->getTimestamp();
|
|
$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() : '';
|
|
|
|
// 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' => $searchtags,
|
|
'redirector' => empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector'], // Optional redirector URL.
|
|
'token' => $token,
|
|
'links' => $linkDisp,
|
|
'tags' => $LINKSDB->allTags(),
|
|
);
|
|
// FIXME! temporary fix - see #399.
|
|
if (!empty($GLOBALS['pagetitle']) && count($linkDisp) == 1) {
|
|
$data['pagetitle'] = $GLOBALS['pagetitle'];
|
|
}
|
|
|
|
$pluginManager = PluginManager::getInstance();
|
|
$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 $url
|
|
// Returns an associative array with thumbnail attributes (src,href,width,height,style,alt)
|
|
// Some of them may be missing.
|
|
// Return an empty array if no thumbnail available.
|
|
function computeThumbnail($url,$href=false)
|
|
{
|
|
if (!$GLOBALS['config']['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'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'imageshack.us thumbnail');
|
|
}
|
|
}
|
|
|
|
// Some other hosts are SLOW AS HELL and usually require an extra HTTP request to get the thumbnail URL.
|
|
// So we deport the thumbnail generation in order not to slow down page generation
|
|
// (and we also cache the thumbnail)
|
|
|
|
if (!$GLOBALS['config']['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, $GLOBALS['salt']); // We use the salt to sign data (it's random, secret, and specific to each installation)
|
|
return array('src'=>index_url($_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, $GLOBALS['salt']); // We use the salt to sign data (it's random, secret, and specific to each installation)
|
|
return array('src'=>index_url($_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)
|
|
{
|
|
$t = computeThumbnail($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 $url
|
|
// Returns '' if no thumbnail available.
|
|
function lazyThumbnail($url,$href=false)
|
|
{
|
|
$t = computeThumbnail($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 $html;
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------------------------------------
|
|
// Installation
|
|
// This function should NEVER be called if the file data/config.php exists.
|
|
function install()
|
|
{
|
|
// On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
|
|
if (endsWith($_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'];
|
|
}
|
|
$GLOBALS['timezone'] = $tz;
|
|
// Everything is ok, let's create config file.
|
|
$GLOBALS['login'] = $_POST['setlogin'];
|
|
$GLOBALS['salt'] = sha1(uniqid('',true).'_'.mt_rand()); // Salt renders rainbow-tables attacks useless.
|
|
$GLOBALS['hash'] = sha1($_POST['setpassword'].$GLOBALS['login'].$GLOBALS['salt']);
|
|
$GLOBALS['title'] = (empty($_POST['title']) ? 'Shared links on '.escape(index_url($_SERVER)) : $_POST['title'] );
|
|
$GLOBALS['config']['ENABLE_UPDATECHECK'] = !empty($_POST['updateCheck']);
|
|
try {
|
|
writeConfig($GLOBALS, 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();
|
|
$PAGE->assign('timezone_html',$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.
|
|
*/
|
|
function genThumbnail()
|
|
{
|
|
// Make sure the parameters in the URL were generated by us.
|
|
$sign = hash_hmac('sha256', $_GET['url'], $GLOBALS['salt']);
|
|
if ($sign!=$_GET['hmac']) die('Naughty boy!');
|
|
|
|
// 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($GLOBALS['config']['CACHEDIR'].'/'.$thumbname))
|
|
{ // We have the thumbnail, just serve it:
|
|
header('Content-Type: image/jpeg');
|
|
echo file_get_contents($GLOBALS['config']['CACHEDIR'].'/'.$thumbname);
|
|
return;
|
|
}
|
|
// We may also serve a blank image (if service did not respond)
|
|
$blankname=hash('sha1',$_GET['url']).'.gif';
|
|
if (is_file($GLOBALS['config']['CACHEDIR'].'/'.$blankname))
|
|
{
|
|
header('Content-Type: image/gif');
|
|
echo file_get_contents($GLOBALS['config']['CACHEDIR'].'/'.$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($headers[0], '200 OK') !== false) {
|
|
// Save image to cache.
|
|
file_put_contents($GLOBALS['config']['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($headers[0], '200 OK') !== false) {
|
|
// Save image to cache.
|
|
file_put_contents($GLOBALS['config']['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) {
|
|
$filepath=$GLOBALS['config']['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) {
|
|
$filepath=$GLOBALS['config']['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) {
|
|
$filepath=$GLOBALS['config']['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)
|
|
$blankgif = base64_decode('R0lGODlhCAAIAIAAAP///////yH5BAEKAAEALAAAAAAIAAgAAAIHjI+py+1dAAA7');
|
|
file_put_contents($GLOBALS['config']['CACHEDIR'].'/'.$blankname,$blankgif); // Also put something in cache so that this URL is not requested twice.
|
|
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(); exit; } // Thumbnail generation/cache does not need the link database.
|
|
if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=dailyrss')) { showDailyRSS(); exit; }
|
|
if (!isset($_SESSION['LINKS_PER_PAGE'])) $_SESSION['LINKS_PER_PAGE']=$GLOBALS['config']['LINKS_PER_PAGE'];
|
|
renderPage();
|
|
?>
|