MyShaarli/index.php
ArthurHoaro b5c368b858 Fix issue 'You are not authorized to add a link' with thumbnails enabled
Do not try to alter the datastore by updating thumbnails if the user isn't logged in.

Also, do not enable thumbnails if PHP GD extension is not installed/loaded
2018-08-10 17:09:51 +02:00

1869 lines
73 KiB
PHP

<?php
/**
* Shaarli - The personal, minimalist, super-fast, database free, bookmarking service.
*
* Friendly fork by the Shaarli community:
* - https://github.com/shaarli/Shaarli
*
* Original project by sebsauvage.net:
* - http://sebsauvage.net/wiki/doku.php?id=php:shaarli
* - https://github.com/sebsauvage/Shaarli
*
* Licence: http://www.opensource.org/licenses/zlib-license.php
*
* Requires: PHP 5.5.x
*/
// Set 'UTC' as the default timezone if it is not defined in php.ini
// See http://php.net/manual/en/datetime.configuration.php#ini.date.timezone
if (date_default_timezone_get() == '') {
date_default_timezone_set('UTC');
}
/*
* PHP configuration
*/
// http://server.com/x/shaarli --> /shaarli/
define('WEB_PATH', substr($_SERVER['REQUEST_URI'], 0, 1+strrpos($_SERVER['REQUEST_URI'], '/', 0)));
// High execution time in case of problematic imports/exports.
ini_set('max_input_time','60');
// Try to set max upload file size and read
ini_set('memory_limit', '128M');
ini_set('post_max_size', '16M');
ini_set('upload_max_filesize', '16M');
// See all error except warnings
error_reporting(E_ALL^E_WARNING);
// See all errors (for debugging only)
//error_reporting(-1);
// 3rd-party libraries
if (! file_exists(__DIR__ . '/vendor/autoload.php')) {
header('Content-Type: text/plain; charset=utf-8');
echo "Error: missing Composer configuration\n\n"
."If you installed Shaarli through Git or using the development branch,\n"
."please refer to the installation documentation to install PHP"
." dependencies using Composer:\n"
."- https://shaarli.readthedocs.io/en/master/Server-configuration/\n"
."- https://shaarli.readthedocs.io/en/master/Download-and-Installation/";
exit;
}
require_once 'inc/rain.tpl.class.php';
require_once __DIR__ . '/vendor/autoload.php';
// Shaarli library
require_once 'application/ApplicationUtils.php';
require_once 'application/Cache.php';
require_once 'application/CachedPage.php';
require_once 'application/config/ConfigPlugin.php';
require_once 'application/FeedBuilder.php';
require_once 'application/FileUtils.php';
require_once 'application/History.php';
require_once 'application/HttpUtils.php';
require_once 'application/LinkDB.php';
require_once 'application/LinkFilter.php';
require_once 'application/LinkUtils.php';
require_once 'application/NetscapeBookmarkUtils.php';
require_once 'application/PageBuilder.php';
require_once 'application/TimeZone.php';
require_once 'application/Url.php';
require_once 'application/Utils.php';
require_once 'application/PluginManager.php';
require_once 'application/Router.php';
require_once 'application/Updater.php';
use \Shaarli\Config\ConfigManager;
use \Shaarli\Languages;
use \Shaarli\Security\LoginManager;
use \Shaarli\Security\SessionManager;
use \Shaarli\ThemeUtils;
use \Shaarli\Thumbnailer;
// Ensure the PHP version is supported
try {
ApplicationUtils::checkPHPVersion('5.5', PHP_VERSION);
} catch(Exception $exc) {
header('Content-Type: text/plain; charset=utf-8');
echo $exc->getMessage();
exit;
}
define('SHAARLI_VERSION', ApplicationUtils::getVersion(__DIR__ .'/'. ApplicationUtils::$VERSION_FILE));
// Force cookie path (but do not change lifetime)
$cookie = session_get_cookie_params();
$cookiedir = '';
if (dirname($_SERVER['SCRIPT_NAME']) != '/') {
$cookiedir = dirname($_SERVER["SCRIPT_NAME"]).'/';
}
// Set default cookie expiration and path.
session_set_cookie_params($cookie['lifetime'], $cookiedir, $_SERVER['SERVER_NAME']);
// Set session parameters on server side.
// Use cookies to store session.
ini_set('session.use_cookies', 1);
// Force cookies for session (phpsessionID forbidden in URL).
ini_set('session.use_only_cookies', 1);
// Prevent PHP form using sessionID in URL if cookies are disabled.
ini_set('session.use_trans_sid', false);
session_name('shaarli');
// Start session if needed (Some server auto-start sessions).
if (session_id() == '') {
session_start();
}
// Regenerate session ID if invalid or not defined in cookie.
if (isset($_COOKIE['shaarli']) && !SessionManager::checkId($_COOKIE['shaarli'])) {
session_regenerate_id(true);
$_COOKIE['shaarli'] = session_id();
}
$conf = new ConfigManager();
$sessionManager = new SessionManager($_SESSION, $conf);
$loginManager = new LoginManager($GLOBALS, $conf, $sessionManager);
$loginManager->generateStaySignedInToken($_SERVER['REMOTE_ADDR']);
$clientIpId = client_ip_id($_SERVER);
// LC_MESSAGES isn't defined without php-intl, in this case use LC_COLLATE locale instead.
if (! defined('LC_MESSAGES')) {
define('LC_MESSAGES', LC_COLLATE);
}
// Sniff browser language and set date format accordingly.
if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
autoLocale($_SERVER['HTTP_ACCEPT_LANGUAGE']);
}
new Languages(setlocale(LC_MESSAGES, 0), $conf);
$conf->setEmpty('general.timezone', date_default_timezone_get());
$conf->setEmpty('general.title', t('Shared links on '). escape(index_url($_SERVER)));
RainTPL::$tpl_dir = $conf->get('resource.raintpl_tpl').'/'.$conf->get('resource.theme').'/'; // template directory
RainTPL::$cache_dir = $conf->get('resource.raintpl_tmp'); // cache directory
$pluginManager = new PluginManager($conf);
$pluginManager->load($conf->get('general.enabled_plugins'));
date_default_timezone_set($conf->get('general.timezone', 'UTC'));
ob_start(); // Output buffering for the page cache.
// Prevent caching on client side or proxy: (yes, it's ugly)
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
if (! is_file($conf->getConfigFileExt())) {
// Ensure Shaarli has proper access to its resources
$errors = ApplicationUtils::checkResourcePermissions($conf);
if ($errors != array()) {
$message = '<p>'. t('Insufficient permissions:') .'</p><ul>';
foreach ($errors as $error) {
$message .= '<li>'.$error.'</li>';
}
$message .= '</ul>';
header('Content-Type: text/html; charset=utf-8');
echo $message;
exit;
}
// Display the installation form if no existing config is found
install($conf, $sessionManager, $loginManager);
}
$loginManager->checkLoginState($_COOKIE, $clientIpId);
/**
* Adapter function to ensure compatibility with third-party templates
*
* @see https://github.com/shaarli/Shaarli/pull/1086
*
* @return bool true when the user is logged in, false otherwise
*/
function isLoggedIn()
{
global $loginManager;
return $loginManager->isLoggedIn();
}
// ------------------------------------------------------------------------------------------
// Process login form: Check if login/password is correct.
if (isset($_POST['login'])) {
if (! $loginManager->canLogin($_SERVER)) {
die(t('I said: NO. You are banned for the moment. Go away.'));
}
if (isset($_POST['password'])
&& $sessionManager->checkToken($_POST['token'])
&& $loginManager->checkCredentials($_SERVER['REMOTE_ADDR'], $clientIpId, $_POST['login'], $_POST['password'])
) {
$loginManager->handleSuccessfulLogin($_SERVER);
$cookiedir = '';
if (dirname($_SERVER['SCRIPT_NAME']) != '/') {
// Note: Never forget the trailing slash on the cookie path!
$cookiedir = dirname($_SERVER["SCRIPT_NAME"]) . '/';
}
if (!empty($_POST['longlastingsession'])) {
// Keep the session cookie even after the browser closes
$sessionManager->setStaySignedIn(true);
$expirationTime = $sessionManager->extendSession();
setcookie(
$loginManager::$STAY_SIGNED_IN_COOKIE,
$loginManager->getStaySignedInToken(),
$expirationTime,
WEB_PATH
);
} else {
// Standard session expiration (=when browser closes)
$expirationTime = 0;
}
// Send cookie with the new expiration date to the browser
session_set_cookie_params($expirationTime, $cookiedir, $_SERVER['SERVER_NAME']);
session_regenerate_id(true);
// Optional redirect after login:
if (isset($_GET['post'])) {
$uri = '?post='. urlencode($_GET['post']);
foreach (array('description', 'source', 'title', 'tags') 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 {
$loginManager->handleFailedLogin($_SERVER);
$redir = '&username='. urlencode($_POST['login']);
if (isset($_GET['post'])) {
$redir .= '&post=' . urlencode($_GET['post']);
foreach (array('description', 'source', 'title', 'tags') as $param) {
if (!empty($_GET[$param])) {
$redir .= '&' . $param . '=' . urlencode($_GET[$param]);
}
}
}
// Redirect to login screen.
echo '<script>alert("'. t("Wrong login/password.") .'");document.location=\'?do=login'.$redir.'\';</script>';
exit;
}
}
// ------------------------------------------------------------------------------------------
// 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.
/**
* Daily RSS feed: 1 RSS entry per day giving all the links on that day.
* Gives the last 7 days (which have links).
* This RSS feed cannot be filtered.
*
* @param ConfigManager $conf Configuration Manager instance
* @param LoginManager $loginManager LoginManager instance
*/
function showDailyRSS($conf, $loginManager) {
// Cache system
$query = $_SERVER['QUERY_STRING'];
$cache = new CachedPage(
$conf->get('config.PAGE_CACHE'),
page_url($_SERVER),
startsWith($query,'do=dailyrss') && !$loginManager->isLoggedIn()
);
$cached = $cache->cachedVersion();
if (!empty($cached)) {
echo $cached;
exit;
}
// If cached was not found (or not usable), then read the database and build the response:
// Read links from database (and filter private links if used it not logged in).
$LINKSDB = new LinkDB(
$conf->get('resource.datastore'),
$loginManager->isLoggedIn(),
$conf->get('privacy.hide_public_links'),
$conf->get('redirector.url'),
$conf->get('redirector.encode_url')
);
/* Some Shaarlies may have very few links, so we need to look
back in time until we have enough days ($nb_of_days).
*/
$nb_of_days = 7; // We take 7 days.
$today = date('Ymd');
$days = array();
foreach ($LINKSDB as $link) {
$day = $link['created']->format('Ymd'); // Extract day (without time)
if (strcmp($day, $today) < 0) {
if (empty($days[$day])) {
$days[$day] = array();
}
$days[$day][] = $link;
}
if (count($days) > $nb_of_days) {
break; // Have we collected enough days?
}
}
// Build the RSS feed.
header('Content-Type: application/rss+xml; charset=utf-8');
$pageaddr = escape(index_url($_SERVER));
echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">';
echo '<channel>';
echo '<title>Daily - '. $conf->get('general.title') . '</title>';
echo '<link>'. $pageaddr .'</link>';
echo '<description>Daily shared links</description>';
echo '<language>en-en</language>';
echo '<copyright>'. $pageaddr .'</copyright>'. PHP_EOL;
// For each day.
foreach ($days as $day => $links) {
$dayDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $day.'_000000');
$absurl = escape(index_url($_SERVER).'?do=daily&day='.$day); // Absolute URL of the corresponding "Daily" page.
// We pre-format some fields for proper output.
foreach ($links as &$link) {
$link['formatedDescription'] = format_description(
$link['description'],
$conf->get('redirector.url'),
$conf->get('redirector.encode_url')
);
$link['timestamp'] = $link['created']->getTimestamp();
if (startsWith($link['url'], '?')) {
$link['url'] = index_url($_SERVER) . $link['url']; // make permalink URL absolute
}
}
// Then build the HTML for this day:
$tpl = new RainTPL;
$tpl->assign('title', $conf->get('general.title'));
$tpl->assign('daydate', $dayDate->getTimestamp());
$tpl->assign('absurl', $absurl);
$tpl->assign('links', $links);
$tpl->assign('rssdate', escape($dayDate->format(DateTime::RSS)));
$tpl->assign('hide_timestamps', $conf->get('privacy.hide_timestamps', false));
$tpl->assign('index_url', $pageaddr);
$html = $tpl->draw('dailyrss', true);
echo $html . PHP_EOL;
}
echo '</channel></rss><!-- Cached version of '. escape(page_url($_SERVER)) .' -->';
$cache->cache(ob_get_contents());
ob_end_flush();
exit;
}
/**
* Show the 'Daily' page.
*
* @param PageBuilder $pageBuilder Template engine wrapper.
* @param LinkDB $LINKSDB LinkDB instance.
* @param ConfigManager $conf Configuration Manager instance.
* @param PluginManager $pluginManager Plugin Manager instance.
* @param LoginManager $loginManager Login Manager instance
*/
function showDaily($pageBuilder, $LINKSDB, $conf, $pluginManager, $loginManager)
{
$day = date('Ymd', strtotime('-1 day')); // Yesterday, in format YYYYMMDD.
if (isset($_GET['day'])) {
$day = $_GET['day'];
}
$days = $LINKSDB->days();
$i = array_search($day, $days);
if ($i === false && count($days)) {
// no links for day, but at least one day with links
$i = count($days) - 1;
$day = $days[$i];
}
$previousday = '';
$nextday = '';
if ($i !== false) {
if ($i >= 1) {
$previousday=$days[$i - 1];
}
if ($i < count($days) - 1) {
$nextday = $days[$i + 1];
}
}
try {
$linksToDisplay = $LINKSDB->filterDay($day);
} catch (Exception $exc) {
error_log($exc);
$linksToDisplay = array();
}
// We pre-format some fields for proper output.
foreach($linksToDisplay as $key => $link) {
$taglist = explode(' ',$link['tags']);
uasort($taglist, 'strcasecmp');
$linksToDisplay[$key]['taglist']=$taglist;
$linksToDisplay[$key]['formatedDescription'] = format_description(
$link['description'],
$conf->get('redirector.url'),
$conf->get('redirector.encode_url')
);
$linksToDisplay[$key]['timestamp'] = $link['created']->getTimestamp();
}
$dayDate = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $day.'_000000');
$data = array(
'pagetitle' => $conf->get('general.title') .' - '. format_date($dayDate, false),
'linksToDisplay' => $linksToDisplay,
'day' => $dayDate->getTimestamp(),
'dayDate' => $dayDate,
'previousday' => $previousday,
'nextday' => $nextday,
);
/* Hook is called before column construction so that plugins don't have
to deal with columns. */
$pluginManager->executeHooks('render_daily', $data, array('loggedin' => $loginManager->isLoggedIn()));
/* 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.
$fill = array(0, 0, 0); // Rough estimate of columns fill.
foreach($data['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;
}
$data['cols'] = $columns;
foreach ($data as $key => $value) {
$pageBuilder->assign($key, $value);
}
$pageBuilder->assign('pagetitle', t('Daily') .' - '. $conf->get('general.title', 'Shaarli'));
$pageBuilder->renderPage('daily');
exit;
}
/**
* Renders the linklist
*
* @param pageBuilder $PAGE pageBuilder instance.
* @param LinkDB $LINKSDB LinkDB instance.
* @param ConfigManager $conf Configuration Manager instance.
* @param PluginManager $pluginManager Plugin Manager instance.
*/
function showLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager) {
buildLinkList($PAGE,$LINKSDB, $conf, $pluginManager, $loginManager);
$PAGE->renderPage('linklist');
}
/**
* Render HTML page (according to URL parameters and user rights)
*
* @param ConfigManager $conf Configuration Manager instance.
* @param PluginManager $pluginManager Plugin Manager instance,
* @param LinkDB $LINKSDB
* @param History $history instance
* @param SessionManager $sessionManager SessionManager instance
* @param LoginManager $loginManager LoginManager instance
*/
function renderPage($conf, $pluginManager, $LINKSDB, $history, $sessionManager, $loginManager)
{
$updater = new Updater(
read_updates_file($conf->get('resource.updates')),
$LINKSDB,
$conf,
$loginManager->isLoggedIn(),
$_SESSION
);
try {
$newUpdates = $updater->update();
if (! empty($newUpdates)) {
write_updates_file(
$conf->get('resource.updates'),
$updater->getDoneUpdates()
);
}
}
catch(Exception $e) {
die($e->getMessage());
}
$PAGE = new PageBuilder($conf, $_SESSION, $LINKSDB, $sessionManager->generateToken(), $loginManager->isLoggedIn());
$PAGE->assign('linkcount', count($LINKSDB));
$PAGE->assign('privateLinkcount', count_private($LINKSDB));
$PAGE->assign('plugin_errors', $pluginManager->getErrors());
// Determine which page will be rendered.
$query = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : '';
$targetPage = Router::findPage($query, $_GET, $loginManager->isLoggedIn());
if (
// if the user isn't logged in
!$loginManager->isLoggedIn() &&
// and Shaarli doesn't have public content...
$conf->get('privacy.hide_public_links') &&
// and is configured to enforce the login
$conf->get('privacy.force_login') &&
// and the current page isn't already the login page
$targetPage !== Router::$PAGE_LOGIN &&
// and the user is not requesting a feed (which would lead to a different content-type as expected)
$targetPage !== Router::$PAGE_FEED_ATOM &&
$targetPage !== Router::$PAGE_FEED_RSS
) {
// force current page to be the login page
$targetPage = Router::$PAGE_LOGIN;
}
// Call plugin hooks for header, footer and includes, specifying which page will be rendered.
// Then assign generated data to RainTPL.
$common_hooks = array(
'includes',
'header',
'footer',
);
foreach($common_hooks as $name) {
$plugin_data = array();
$pluginManager->executeHooks('render_' . $name, $plugin_data,
array(
'target' => $targetPage,
'loggedin' => $loginManager->isLoggedIn()
)
);
$PAGE->assign('plugins_' . $name, $plugin_data);
}
// -------- Display login form.
if ($targetPage == Router::$PAGE_LOGIN)
{
if ($conf->get('security.open_shaarli')) { header('Location: ?'); exit; } // No need to login for open Shaarli
if (isset($_GET['username'])) {
$PAGE->assign('username', escape($_GET['username']));
}
$PAGE->assign('returnurl',(isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']):''));
// add default state of the 'remember me' checkbox
$PAGE->assign('remember_user_default', $conf->get('privacy.remember_user_default'));
$PAGE->assign('user_can_login', $loginManager->canLogin($_SERVER));
$PAGE->assign('pagetitle', t('Login') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('loginform');
exit;
}
// -------- User wants to logout.
if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=logout'))
{
invalidateCaches($conf->get('resource.page_cache'));
$sessionManager->logout();
setcookie(LoginManager::$STAY_SIGNED_IN_COOKIE, 'false', 0, WEB_PATH);
header('Location: ?');
exit;
}
// -------- Picture wall
if ($targetPage == Router::$PAGE_PICWALL)
{
$PAGE->assign('pagetitle', t('Picture wall') .' - '. $conf->get('general.title', 'Shaarli'));
if (! $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) === Thumbnailer::MODE_NONE) {
$PAGE->assign('linksToDisplay', []);
$PAGE->renderPage('picwall');
exit;
}
// Optionally filter the results:
$links = $LINKSDB->filterSearch($_GET);
$linksToDisplay = array();
// Get only links which have a thumbnail.
// Note: we do not retrieve thumbnails here, the request is too heavy.
foreach($links as $key => $link)
{
if (isset($link['thumbnail']) && $link['thumbnail'] !== false) {
$linksToDisplay[] = $link; // Add to array.
}
}
$data = array(
'linksToDisplay' => $linksToDisplay,
);
$pluginManager->executeHooks('render_picwall', $data, array('loggedin' => $loginManager->isLoggedIn()));
foreach ($data as $key => $value) {
$PAGE->assign($key, $value);
}
$PAGE->renderPage('picwall');
exit;
}
// -------- Tag cloud
if ($targetPage == Router::$PAGE_TAGCLOUD)
{
$visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
$filteringTags = isset($_GET['searchtags']) ? explode(' ', $_GET['searchtags']) : [];
$tags = $LINKSDB->linksCountPerTag($filteringTags, $visibility);
// 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, $value);
}
alphabetical_sort($tags, false, true);
$tagList = array();
foreach($tags as $key => $value) {
if (in_array($key, $filteringTags)) {
continue;
}
// 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, '.', ''),
);
}
$searchTags = implode(' ', escape($filteringTags));
$data = array(
'search_tags' => $searchTags,
'tags' => $tagList,
);
$pluginManager->executeHooks('render_tagcloud', $data, array('loggedin' => $loginManager->isLoggedIn()));
foreach ($data as $key => $value) {
$PAGE->assign($key, $value);
}
$searchTags = ! empty($searchTags) ? $searchTags .' - ' : '';
$PAGE->assign('pagetitle', $searchTags. t('Tag cloud') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('tag.cloud');
exit;
}
// -------- Tag list
if ($targetPage == Router::$PAGE_TAGLIST)
{
$visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
$filteringTags = isset($_GET['searchtags']) ? explode(' ', $_GET['searchtags']) : [];
$tags = $LINKSDB->linksCountPerTag($filteringTags, $visibility);
foreach ($filteringTags as $tag) {
if (array_key_exists($tag, $tags)) {
unset($tags[$tag]);
}
}
if (! empty($_GET['sort']) && $_GET['sort'] === 'alpha') {
alphabetical_sort($tags, false, true);
}
$searchTags = implode(' ', escape($filteringTags));
$data = [
'search_tags' => $searchTags,
'tags' => $tags,
];
$pluginManager->executeHooks('render_taglist', $data, ['loggedin' => $loginManager->isLoggedIn()]);
foreach ($data as $key => $value) {
$PAGE->assign($key, $value);
}
$searchTags = ! empty($searchTags) ? $searchTags .' - ' : '';
$PAGE->assign('pagetitle', $searchTags . t('Tag list') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('tag.list');
exit;
}
// Daily page.
if ($targetPage == Router::$PAGE_DAILY) {
showDaily($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager);
}
// ATOM and RSS feed.
if ($targetPage == Router::$PAGE_FEED_ATOM || $targetPage == Router::$PAGE_FEED_RSS) {
$feedType = $targetPage == Router::$PAGE_FEED_RSS ? FeedBuilder::$FEED_RSS : FeedBuilder::$FEED_ATOM;
header('Content-Type: application/'. $feedType .'+xml; charset=utf-8');
// Cache system
$query = $_SERVER['QUERY_STRING'];
$cache = new CachedPage(
$conf->get('resource.page_cache'),
page_url($_SERVER),
startsWith($query,'do='. $targetPage) && !$loginManager->isLoggedIn()
);
$cached = $cache->cachedVersion();
if (!empty($cached)) {
echo $cached;
exit;
}
// Generate data.
$feedGenerator = new FeedBuilder($LINKSDB, $feedType, $_SERVER, $_GET, $loginManager->isLoggedIn());
$feedGenerator->setLocale(strtolower(setlocale(LC_COLLATE, 0)));
$feedGenerator->setHideDates($conf->get('privacy.hide_timestamps') && !$loginManager->isLoggedIn());
$feedGenerator->setUsePermalinks(isset($_GET['permalinks']) || !$conf->get('feed.rss_permalinks'));
$data = $feedGenerator->buildData();
// Process plugin hook.
$pluginManager->executeHooks('render_feed', $data, array(
'loggedin' => $loginManager->isLoggedIn(),
'target' => $targetPage,
));
// Render the template.
$PAGE->assignAll($data);
$PAGE->renderPage('feed.'. $feedType);
$cache->cache(ob_get_contents());
ob_end_flush();
exit;
}
// Display opensearch plugin (XML)
if ($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']);
}
elseif ($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']));
}
if (! empty($_SERVER['HTTP_REFERER'])) {
$location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('linksperpage'));
} else {
$location = '?';
}
header('Location: '. $location);
exit;
}
// -------- User wants to see only private links (toggle)
if (isset($_GET['visibility'])) {
if ($_GET['visibility'] === 'private') {
// Visibility not set or not already private, set private, otherwise reset it
if (empty($_SESSION['visibility']) || $_SESSION['visibility'] !== 'private') {
// See only private links
$_SESSION['visibility'] = 'private';
} else {
unset($_SESSION['visibility']);
}
} elseif ($_GET['visibility'] === 'public') {
if (empty($_SESSION['visibility']) || $_SESSION['visibility'] !== 'public') {
// See only public links
$_SESSION['visibility'] = 'public';
} else {
unset($_SESSION['visibility']);
}
}
if (! empty($_SERVER['HTTP_REFERER'])) {
$location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('visibility'));
} else {
$location = '?';
}
header('Location: '. $location);
exit;
}
// -------- User wants to see only untagged links (toggle)
if (isset($_GET['untaggedonly'])) {
$_SESSION['untaggedonly'] = empty($_SESSION['untaggedonly']);
if (! empty($_SERVER['HTTP_REFERER'])) {
$location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('untaggedonly'));
} else {
$location = '?';
}
header('Location: '. $location);
exit;
}
// -------- Handle other actions allowed for non-logged in users:
if (!$loginManager->isLoggedIn())
{
// User tries to post new link but is not logged in:
// Show login screen, then redirect to ?post=...
if (isset($_GET['post']))
{
header( // Redirect to login page, then back to post link.
'Location: ?do=login&post='.urlencode($_GET['post']).
(!empty($_GET['title'])?'&title='.urlencode($_GET['title']):'').
(!empty($_GET['description'])?'&description='.urlencode($_GET['description']):'').
(!empty($_GET['tags'])?'&tags='.urlencode($_GET['tags']):'').
(!empty($_GET['source'])?'&source='.urlencode($_GET['source']):'')
);
exit;
}
showLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager);
if (isset($_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)
{
$data = [
'pageabsaddr' => index_url($_SERVER),
'sslenabled' => is_https($_SERVER),
];
$pluginManager->executeHooks('render_tools', $data);
foreach ($data as $key => $value) {
$PAGE->assign($key, $value);
}
$PAGE->assign('pagetitle', t('Tools') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('tools');
exit;
}
// -------- User wants to change his/her password.
if ($targetPage == Router::$PAGE_CHANGEPASSWORD)
{
if ($conf->get('security.open_shaarli')) {
die(t('You are not supposed to change a password on an Open Shaarli.'));
}
if (!empty($_POST['setpassword']) && !empty($_POST['oldpassword']))
{
if (!$sessionManager->checkToken($_POST['token'])) die(t('Wrong token.')); // Go away!
// Make sure old password is correct.
$oldhash = sha1($_POST['oldpassword'].$conf->get('credentials.login').$conf->get('credentials.salt'));
if ($oldhash!= $conf->get('credentials.hash')) {
echo '<script>alert("'. t('The old password is not correct.') .'");document.location=\'?do=changepasswd\';</script>';
exit;
}
// Save new password
// Salt renders rainbow-tables attacks useless.
$conf->set('credentials.salt', sha1(uniqid('', true) .'_'. mt_rand()));
$conf->set('credentials.hash', sha1($_POST['setpassword'] . $conf->get('credentials.login') . $conf->get('credentials.salt')));
try {
$conf->write($loginManager->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("'. t('Your password has been changed') .'");document.location=\'?do=tools\';</script>';
exit;
}
else // show the change password form.
{
$PAGE->assign('pagetitle', t('Change password') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('changepassword');
exit;
}
}
// -------- User wants to change configuration
if ($targetPage == Router::$PAGE_CONFIGURE)
{
if (!empty($_POST['title']) )
{
if (!$sessionManager->checkToken($_POST['token'])) {
die(t('Wrong token.')); // Go away!
}
$tz = 'UTC';
if (!empty($_POST['continent']) && !empty($_POST['city'])
&& isTimeZoneValid($_POST['continent'], $_POST['city'])
) {
$tz = $_POST['continent'] . '/' . $_POST['city'];
}
$conf->set('general.timezone', $tz);
$conf->set('general.title', escape($_POST['title']));
$conf->set('general.header_link', escape($_POST['titleLink']));
$conf->set('resource.theme', escape($_POST['theme']));
$conf->set('security.session_protection_disabled', !empty($_POST['disablesessionprotection']));
$conf->set('privacy.default_private_links', !empty($_POST['privateLinkByDefault']));
$conf->set('feed.rss_permalinks', !empty($_POST['enableRssPermalinks']));
$conf->set('updates.check_updates', !empty($_POST['updateCheck']));
$conf->set('privacy.hide_public_links', !empty($_POST['hidePublicLinks']));
$conf->set('api.enabled', !empty($_POST['enableApi']));
$conf->set('api.secret', escape($_POST['apiSecret']));
$conf->set('translation.language', escape($_POST['language']));
$thumbnailsMode = extension_loaded('gd') ? $_POST['enableThumbnails'] : Thumbnailer::MODE_NONE;
if ($thumbnailsMode !== Thumbnailer::MODE_NONE
&& $thumbnailsMode !== $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE)
) {
$_SESSION['warnings'][] = t(
'You have enabled or changed thumbnails mode. <a href="?do=thumbs_update">Please synchronize them</a>.'
);
}
$conf->set('thumbnails.mode', $thumbnailsMode);
try {
$conf->write($loginManager->isLoggedIn());
$history->updateSettings();
invalidateCaches($conf->get('resource.page_cache'));
}
catch(Exception $e) {
error_log(
'ERROR while writing config file after configuration update.' . PHP_EOL .
$e->getMessage()
);
// TODO: do not handle exceptions/errors in JS.
echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=configure\';</script>';
exit;
}
echo '<script>alert("'. t('Configuration was saved.') .'");document.location=\'?do=configure\';</script>';
exit;
}
else // Show the configuration form.
{
$PAGE->assign('title', $conf->get('general.title'));
$PAGE->assign('theme', $conf->get('resource.theme'));
$PAGE->assign('theme_available', ThemeUtils::getThemes($conf->get('resource.raintpl_tpl')));
list($continents, $cities) = generateTimeZoneData(
timezone_identifiers_list(),
$conf->get('general.timezone')
);
$PAGE->assign('continents', $continents);
$PAGE->assign('cities', $cities);
$PAGE->assign('private_links_default', $conf->get('privacy.default_private_links', false));
$PAGE->assign('session_protection_disabled', $conf->get('security.session_protection_disabled', false));
$PAGE->assign('enable_rss_permalinks', $conf->get('feed.rss_permalinks', false));
$PAGE->assign('enable_update_check', $conf->get('updates.check_updates', true));
$PAGE->assign('hide_public_links', $conf->get('privacy.hide_public_links', false));
$PAGE->assign('api_enabled', $conf->get('api.enabled', true));
$PAGE->assign('api_secret', $conf->get('api.secret'));
$PAGE->assign('languages', Languages::getAvailableLanguages());
$PAGE->assign('language', $conf->get('translation.language'));
$PAGE->assign('gd_enabled', extension_loaded('gd'));
$PAGE->assign('thumbnails_mode', $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE));
$PAGE->assign('pagetitle', t('Configure') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('configure');
exit;
}
}
// -------- User wants to rename a tag or delete it
if ($targetPage == Router::$PAGE_CHANGETAG)
{
if (empty($_POST['fromtag']) || (empty($_POST['totag']) && isset($_POST['renametag']))) {
$PAGE->assign('fromtag', ! empty($_GET['fromtag']) ? escape($_GET['fromtag']) : '');
$PAGE->assign('pagetitle', t('Manage tags') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('changetag');
exit;
}
if (!$sessionManager->checkToken($_POST['token'])) {
die(t('Wrong token.'));
}
$alteredLinks = $LINKSDB->renameTag(escape($_POST['fromtag']), escape($_POST['totag']));
$LINKSDB->save($conf->get('resource.page_cache'));
foreach ($alteredLinks as $link) {
$history->updateLink($link);
}
$delete = empty($_POST['totag']);
$redirect = $delete ? 'do=changetag' : 'searchtags='. urlencode(escape($_POST['totag']));
$count = count($alteredLinks);
$alert = $delete
? sprintf(t('The tag was removed from %d link.', 'The tag was removed from %d links.', $count), $count)
: sprintf(t('The tag was renamed in %d link.', 'The tag was renamed in %d links.', $count), $count);
echo '<script>alert("'. $alert .'");document.location=\'?'. $redirect .'\';</script>';
exit;
}
// -------- User wants to add a link without using the bookmarklet: Show form.
if ($targetPage == Router::$PAGE_ADDLINK)
{
$PAGE->assign('pagetitle', t('Shaare a new link') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('addlink');
exit;
}
// -------- User clicked the "Save" button when editing a link: Save link to database.
if (isset($_POST['save_edit']))
{
// Go away!
if (! $sessionManager->checkToken($_POST['token'])) {
die(t('Wrong token.'));
}
// lf_id should only be present if the link exists.
$id = isset($_POST['lf_id']) ? intval(escape($_POST['lf_id'])) : $LINKSDB->getNextId();
// Linkdate is kept here to:
// - use the same permalink for notes as they're displayed when creating them
// - let users hack creation date of their posts
// See: https://shaarli.readthedocs.io/en/master/guides/various-hacks/#changing-the-timestamp-for-a-shaare
$linkdate = escape($_POST['lf_linkdate']);
if (isset($LINKSDB[$id])) {
// Edit
$created = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $linkdate);
$updated = new DateTime();
$shortUrl = $LINKSDB[$id]['shorturl'];
$new = false;
} else {
// New link
$created = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $linkdate);
$updated = null;
$shortUrl = link_small_hash($created, $id);
$new = true;
}
// 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(' ', $tags)));
if (empty(trim($_POST['lf_url']))) {
$_POST['lf_url'] = '?' . smallHash($linkdate . $id);
}
$url = whitelist_protocols(trim($_POST['lf_url']), $conf->get('security.allowed_protocols'));
$link = array(
'id' => $id,
'title' => trim($_POST['lf_title']),
'url' => $url,
'description' => $_POST['lf_description'],
'private' => (isset($_POST['lf_private']) ? 1 : 0),
'created' => $created,
'updated' => $updated,
'tags' => str_replace(',', ' ', $tags),
'shorturl' => $shortUrl,
);
// If title is empty, use the URL as title.
if ($link['title'] == '') {
$link['title'] = $link['url'];
}
if ($conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE) {
$thumbnailer = new Thumbnailer($conf);
$link['thumbnail'] = $thumbnailer->get($url);
}
$pluginManager->executeHooks('save_link', $link);
$LINKSDB[$id] = $link;
$LINKSDB->save($conf->get('resource.page_cache'));
if ($new) {
$history->addLink($link);
} else {
$history->updateLink($link);
}
// 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 .= '#' . $link['shorturl'];
// 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']))
{
$id = isset($_POST['lf_id']) ? (int) escape($_POST['lf_id']) : false;
if (! isset($LINKSDB[$id])) {
header('Location: ?');
}
// If we are called from the bookmarklet, we must close the popup:
if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo '<script>self.close();</script>'; exit; }
$link = $LINKSDB[$id];
$returnurl = ( isset($_POST['returnurl']) ? $_POST['returnurl'] : '?' );
// Scroll to the link which has been edited.
$returnurl .= '#'. $link['shorturl'];
$returnurl = generateLocation($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 ($targetPage == Router::$PAGE_DELETELINK)
{
if (! $sessionManager->checkToken($_GET['token'])) {
die(t('Wrong token.'));
}
$ids = trim($_GET['lf_linkdate']);
if (strpos($ids, ' ') !== false) {
// multiple, space-separated ids provided
$ids = array_values(array_filter(preg_split('/\s+/', escape($ids))));
} else {
// only a single id provided
$ids = [$ids];
}
// assert at least one id is given
if(!count($ids)){
die('no id provided');
}
foreach ($ids as $id) {
$id = (int) escape($id);
$link = $LINKSDB[$id];
$pluginManager->executeHooks('delete_link', $link);
unset($LINKSDB[$id]);
}
$LINKSDB->save($conf->get('resource.page_cache')); // save to disk
$history->deleteLink($link);
// 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; }
$location = '?';
if (isset($_SERVER['HTTP_REFERER'])) {
// Don't redirect to where we were previously if it was a permalink or an edit_link, because it would 404.
$location = generateLocation(
$_SERVER['HTTP_REFERER'],
$_SERVER['HTTP_HOST'],
['delete_link', 'edit_link', $link['shorturl']]
);
}
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']))
{
$id = (int) escape($_GET['edit_link']);
$link = $LINKSDB[$id]; // Read database
if (!$link) { header('Location: ?'); exit; } // Link not found in database.
$link['linkdate'] = $link['created']->format(LinkDB::LINK_DATE_FORMAT);
$data = array(
'link' => $link,
'link_is_new' => false,
'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
'tags' => $LINKSDB->linksCountPerTag(),
);
$pluginManager->executeHooks('render_editlink', $data);
foreach ($data as $key => $value) {
$PAGE->assign($key, $value);
}
$PAGE->assign('pagetitle', t('Edit') .' '. t('Shaare') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('editlink');
exit;
}
// -------- User want to post a new link: Display link edit form.
if (isset($_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(LinkDB::LINK_DATE_FORMAT));
// 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
// The callback will fill $charset and $title with data from the downloaded page.
get_http_response(
$url,
$conf->get('general.download_timeout', 30),
$conf->get('general.download_max_size', 4194304),
get_curl_download_callback($charset, $title)
);
if (! empty($title) && strtolower($charset) != 'utf-8') {
$title = mb_convert_encoding($title, 'utf-8', $charset);
}
}
if ($url == '') {
$url = '?' . smallHash($linkdate . $LINKSDB->getNextId());
$title = $conf->get('general.default_note_title', t('Note: '));
}
$url = escape($url);
$title = escape($title);
$link = array(
'linkdate' => $linkdate,
'title' => $title,
'url' => $url,
'description' => $description,
'tags' => $tags,
'private' => $private,
);
} else {
$link['linkdate'] = $link['created']->format(LinkDB::LINK_DATE_FORMAT);
}
$data = array(
'link' => $link,
'link_is_new' => $link_is_new,
'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
'source' => (isset($_GET['source']) ? $_GET['source'] : ''),
'tags' => $LINKSDB->linksCountPerTag(),
'default_private_links' => $conf->get('privacy.default_private_links', false),
);
$pluginManager->executeHooks('render_editlink', $data);
foreach ($data as $key => $value) {
$PAGE->assign($key, $value);
}
$PAGE->assign('pagetitle', t('Shaare') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('editlink');
exit;
}
if ($targetPage == Router::$PAGE_EXPORT) {
// Export links as a Netscape Bookmarks file
if (empty($_GET['selection'])) {
$PAGE->assign('pagetitle', t('Export') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('export');
exit;
}
// export as bookmarks_(all|private|public)_YYYYmmdd_HHMMSS.html
$selection = $_GET['selection'];
if (isset($_GET['prepend_note_url'])) {
$prependNoteUrl = $_GET['prepend_note_url'];
} else {
$prependNoteUrl = false;
}
try {
$PAGE->assign(
'links',
NetscapeBookmarkUtils::filterAndFormat(
$LINKSDB,
$selection,
$prependNoteUrl,
index_url($_SERVER)
)
);
} catch (Exception $exc) {
header('Content-Type: text/plain; charset=utf-8');
echo $exc->getMessage();
exit;
}
$now = new DateTime();
header('Content-Type: text/html; charset=utf-8');
header(
'Content-disposition: attachment; filename=bookmarks_'
.$selection.'_'.$now->format(LinkDB::LINK_DATE_FORMAT).'.html'
);
$PAGE->assign('date', $now->format(DateTime::RFC822));
$PAGE->assign('eol', PHP_EOL);
$PAGE->assign('selection', $selection);
$PAGE->renderPage('export.bookmarks');
exit;
}
if ($targetPage == Router::$PAGE_IMPORT) {
// Upload a Netscape bookmark dump to import its contents
if (! isset($_POST['token']) || ! isset($_FILES['filetoupload'])) {
// Show import dialog
$PAGE->assign(
'maxfilesize',
get_max_upload_size(
ini_get('post_max_size'),
ini_get('upload_max_filesize'),
false
)
);
$PAGE->assign(
'maxfilesizeHuman',
get_max_upload_size(
ini_get('post_max_size'),
ini_get('upload_max_filesize'),
true
)
);
$PAGE->assign('pagetitle', t('Import') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('import');
exit;
}
// Import bookmarks from an uploaded file
if (isset($_FILES['filetoupload']['size']) && $_FILES['filetoupload']['size'] == 0) {
// The file is too big or some form field may be missing.
$msg = sprintf(
t(
'The file you are trying to upload is probably bigger than what this webserver can accept'
.' (%s). Please upload in smaller chunks.'
),
get_max_upload_size(ini_get('post_max_size'), ini_get('upload_max_filesize'))
);
echo '<script>alert("'. $msg .'");document.location=\'?do='.Router::$PAGE_IMPORT .'\';</script>';
exit;
}
if (! $sessionManager->checkToken($_POST['token'])) {
die('Wrong token.');
}
$status = NetscapeBookmarkUtils::import(
$_POST,
$_FILES,
$LINKSDB,
$conf,
$history
);
echo '<script>alert("'.$status.'");document.location=\'?do='
.Router::$PAGE_IMPORT .'\';</script>';
exit;
}
// Plugin administration page
if ($targetPage == Router::$PAGE_PLUGINSADMIN) {
$pluginMeta = $pluginManager->getPluginsMeta();
// Split plugins into 2 arrays: ordered enabled plugins and disabled.
$enabledPlugins = array_filter($pluginMeta, function($v) { return $v['order'] !== false; });
// Load parameters.
$enabledPlugins = load_plugin_parameter_values($enabledPlugins, $conf->get('plugins', array()));
uasort(
$enabledPlugins,
function($a, $b) { return $a['order'] - $b['order']; }
);
$disabledPlugins = array_filter($pluginMeta, function($v) { return $v['order'] === false; });
$PAGE->assign('enabledPlugins', $enabledPlugins);
$PAGE->assign('disabledPlugins', $disabledPlugins);
$PAGE->assign('pagetitle', t('Plugin administration') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('pluginsadmin');
exit;
}
// Plugin administration form action
if ($targetPage == Router::$PAGE_SAVE_PLUGINSADMIN) {
try {
if (isset($_POST['parameters_form'])) {
unset($_POST['parameters_form']);
foreach ($_POST as $param => $value) {
$conf->set('plugins.'. $param, escape($value));
}
}
else {
$conf->set('general.enabled_plugins', save_plugin_config($_POST));
}
$conf->write($loginManager->isLoggedIn());
$history->updateSettings();
}
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::$PAGE_PLUGINSADMIN);
exit;
}
// Get a fresh token
if ($targetPage == Router::$GET_TOKEN) {
header('Content-Type:text/plain');
echo $sessionManager->generateToken($conf);
exit;
}
// -------- Thumbnails Update
if ($targetPage == Router::$PAGE_THUMBS_UPDATE) {
$ids = [];
foreach ($LINKSDB as $link) {
// A note or not HTTP(S)
if ($link['url'][0] === '?' || ! startsWith(strtolower($link['url']), 'http')) {
continue;
}
$ids[] = $link['id'];
}
$PAGE->assign('ids', $ids);
$PAGE->assign('pagetitle', t('Thumbnails update') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('thumbnails');
exit;
}
// -------- Single Thumbnail Update
if ($targetPage == Router::$AJAX_THUMB_UPDATE) {
if (! isset($_POST['id']) || ! ctype_digit($_POST['id'])) {
http_response_code(400);
exit;
}
$id = (int) $_POST['id'];
if (empty($LINKSDB[$id])) {
http_response_code(404);
exit;
}
$thumbnailer = new Thumbnailer($conf);
$link = $LINKSDB[$id];
$link['thumbnail'] = $thumbnailer->get($link['url']);
$LINKSDB[$id] = $link;
$LINKSDB->save($conf->get('resource.page_cache'));
echo json_encode($link);
exit;
}
// -------- Otherwise, simply display search form and links:
showLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager);
exit;
}
/**
* Template for the list of links (<div id="linklist">)
* This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
*
* @param pageBuilder $PAGE pageBuilder instance.
* @param LinkDB $LINKSDB LinkDB instance.
* @param ConfigManager $conf Configuration Manager instance.
* @param PluginManager $pluginManager Plugin Manager instance.
* @param LoginManager $loginManager LoginManager instance
*/
function buildLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager)
{
// Used in templates
if (isset($_GET['searchtags'])) {
if (! empty($_GET['searchtags'])) {
$searchtags = escape(normalize_spaces($_GET['searchtags']));
} else {
$searchtags = false;
}
} else {
$searchtags = '';
}
$searchterm = !empty($_GET['searchterm']) ? escape(normalize_spaces($_GET['searchterm'])) : '';
// Smallhash filter
if (! empty($_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.
$visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
$request = [
'searchtags' => $searchtags,
'searchterm' => $searchterm,
];
$linksToDisplay = $LINKSDB->filterSearch($request, false, $visibility, !empty($_SESSION['untaggedonly']));
}
// ---- Handle paging.
$keys = array();
foreach ($linksToDisplay as $key => $value) {
$keys[] = $key;
}
// Select articles according to paging.
$pagecount = ceil(count($keys) / $_SESSION['LINKS_PER_PAGE']);
$pagecount = $pagecount == 0 ? 1 : $pagecount;
$page= empty($_GET['page']) ? 1 : intval($_GET['page']);
$page = $page < 1 ? 1 : $page;
$page = $page > $pagecount ? $pagecount : $page;
// Start index.
$i = ($page-1) * $_SESSION['LINKS_PER_PAGE'];
$end = $i + $_SESSION['LINKS_PER_PAGE'];
$thumbnailsEnabled = $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE;
if ($thumbnailsEnabled) {
$thumbnailer = new Thumbnailer($conf);
}
$linkDisp = array();
while ($i<$end && $i<count($keys))
{
$link = $linksToDisplay[$keys[$i]];
$link['description'] = format_description(
$link['description'],
$conf->get('redirector.url'),
$conf->get('redirector.encode_url')
);
$classLi = ($i % 2) != 0 ? '' : 'publicLinkHightLight';
$link['class'] = $link['private'] == 0 ? $classLi : 'private';
$link['timestamp'] = $link['created']->getTimestamp();
if (! empty($link['updated'])) {
$link['updated_timestamp'] = $link['updated']->getTimestamp();
} else {
$link['updated_timestamp'] = '';
}
$taglist = preg_split('/\s+/', $link['tags'], -1, PREG_SPLIT_NO_EMPTY);
uasort($taglist, 'strcasecmp');
$link['taglist'] = $taglist;
// Logged in, thumbnails enabled, not a note,
// and (never retrieved yet or no valid cache file)
if ($loginManager->isLoggedIn() && $thumbnailsEnabled && $link['url'][0] != '?'
&& (! isset($link['thumbnail']) || ($link['thumbnail'] !== false && ! is_file($link['thumbnail'])))
) {
$elem = $LINKSDB[$keys[$i]];
$elem['thumbnail'] = $thumbnailer->get($link['url']);
$LINKSDB[$keys[$i]] = $elem;
$updateDB = true;
$link['thumbnail'] = $elem['thumbnail'];
}
// Check for both signs of a note: starting with ? and 7 chars long.
if ($link['url'][0] === '?' && strlen($link['url']) === 7) {
$link['url'] = index_url($_SERVER) . $link['url'];
}
$linkDisp[$keys[$i]] = $link;
$i++;
}
// If we retrieved new thumbnails, we update the database.
if (!empty($updateDB)) {
$LINKSDB->save($conf->get('resource.page_cache'));
}
// Compute paging navigation
$searchtagsUrl = $searchtags === '' ? '' : '&searchtags=' . urlencode($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;
}
// 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' => $searchtags,
'visibility' => ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '',
'redirector' => $conf->get('redirector.url'), // Optional redirector URL.
'links' => $linkDisp,
);
// If there is only a single link, we change on-the-fly the title of the page.
if (count($linksToDisplay) == 1) {
$data['pagetitle'] = $linksToDisplay[$keys[0]]['title'] .' - '. $conf->get('general.title');
} elseif (! empty($searchterm) || ! empty($searchtags)) {
$data['pagetitle'] = t('Search: ');
$data['pagetitle'] .= ! empty($searchterm) ? $searchterm .' ' : '';
$bracketWrap = function ($tag) {
return '['. $tag .']';
};
$data['pagetitle'] .= ! empty($searchtags)
? implode(' ', array_map($bracketWrap, preg_split('/\s+/', $searchtags))).' '
: '';
$data['pagetitle'] .= '- '. $conf->get('general.title');
}
$pluginManager->executeHooks('render_linklist', $data, array('loggedin' => $loginManager->isLoggedIn()));
foreach ($data as $key => $value) {
$PAGE->assign($key, $value);
}
return;
}
/**
* Installation
* This function should NEVER be called if the file data/config.php exists.
*
* @param ConfigManager $conf Configuration Manager instance.
* @param SessionManager $sessionManager SessionManager instance
* @param LoginManager $loginManager LoginManager instance
*/
function install($conf, $sessionManager, $loginManager) {
// On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
if (endsWith($_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.
$msg = t(
'<pre>Sessions do not seem to work correctly on your server.<br>'.
'Make sure the variable "session.save_path" is set correctly in your PHP config, '.
'and that you have write access to it.<br>'.
'It currently points to %s.<br>'.
'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>'
);
$msg = sprintf($msg, session_save_path());
echo $msg;
echo '<br><a href="?">'. t('Click to try again.') .'</a></pre>';
die;
}
if (!isset($_SESSION['session_tested']))
{ // Step 1 : Try to store data in session and reload page.
$_SESSION['session_tested'] = 'Working'; // Try to set a variable in session.
header('Location: '.index_url($_SERVER).'?test_session'); // Redirect to check stored data.
}
if (isset($_GET['test_session']))
{ // Step 3: Sessions are OK. Remove test parameter from URL.
header('Location: '.index_url($_SERVER));
}
if (!empty($_POST['setlogin']) && !empty($_POST['setpassword']))
{
$tz = 'UTC';
if (!empty($_POST['continent']) && !empty($_POST['city'])
&& isTimeZoneValid($_POST['continent'], $_POST['city'])
) {
$tz = $_POST['continent'].'/'.$_POST['city'];
}
$conf->set('general.timezone', $tz);
$login = $_POST['setlogin'];
$conf->set('credentials.login', $login);
$salt = sha1(uniqid('', true) .'_'. mt_rand());
$conf->set('credentials.salt', $salt);
$conf->set('credentials.hash', sha1($_POST['setpassword'] . $login . $salt));
if (!empty($_POST['title'])) {
$conf->set('general.title', escape($_POST['title']));
} else {
$conf->set('general.title', 'Shared links on '.escape(index_url($_SERVER)));
}
$conf->set('translation.language', escape($_POST['language']));
$conf->set('updates.check_updates', !empty($_POST['updateCheck']));
$conf->set('api.enabled', !empty($_POST['enableApi']));
$conf->set(
'api.secret',
generate_api_secret(
$conf->get('credentials.login'),
$conf->get('credentials.salt')
)
);
try {
// Everything is ok, let's create config file.
$conf->write($loginManager->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;
}
$PAGE = new PageBuilder($conf, $_SESSION, null, $sessionManager->generateToken());
list($continents, $cities) = generateTimeZoneData(timezone_identifiers_list(), date_default_timezone_get());
$PAGE->assign('continents', $continents);
$PAGE->assign('cities', $cities);
$PAGE->assign('languages', Languages::getAvailableLanguages());
$PAGE->renderPage('install');
exit;
}
if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=dailyrss')) {
showDailyRSS($conf, $loginManager);
exit;
}
if (!isset($_SESSION['LINKS_PER_PAGE'])) {
$_SESSION['LINKS_PER_PAGE'] = $conf->get('general.links_per_page', 20);
}
try {
$history = new History($conf->get('resource.history'));
} catch(Exception $e) {
die($e->getMessage());
}
$linkDb = new LinkDB(
$conf->get('resource.datastore'),
$loginManager->isLoggedIn(),
$conf->get('privacy.hide_public_links'),
$conf->get('redirector.url'),
$conf->get('redirector.encode_url')
);
$container = new \Slim\Container();
$container['conf'] = $conf;
$container['plugins'] = $pluginManager;
$container['history'] = $history;
$app = new \Slim\App($container);
// REST API routes
$app->group('/api/v1', function() {
$this->get('/info', '\Shaarli\Api\Controllers\Info:getInfo')->setName('getInfo');
$this->get('/links', '\Shaarli\Api\Controllers\Links:getLinks')->setName('getLinks');
$this->get('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:getLink')->setName('getLink');
$this->post('/links', '\Shaarli\Api\Controllers\Links:postLink')->setName('postLink');
$this->put('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:putLink')->setName('putLink');
$this->delete('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:deleteLink')->setName('deleteLink');
$this->get('/tags', '\Shaarli\Api\Controllers\Tags:getTags')->setName('getTags');
$this->get('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:getTag')->setName('getTag');
$this->put('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:putTag')->setName('putTag');
$this->delete('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:deleteTag')->setName('deleteTag');
$this->get('/history', '\Shaarli\Api\Controllers\History:getHistory')->setName('getHistory');
})->add('\Shaarli\Api\ApiMiddleware');
$response = $app->run(true);
// Hack to make Slim and Shaarli router work together:
// If a Slim route isn't found and NOT API call, we call renderPage().
if ($response->getStatusCode() == 404 && strpos($_SERVER['REQUEST_URI'], '/api/v1') === false) {
// We use UTF-8 for proper international characters handling.
header('Content-Type: text/html; charset=utf-8');
renderPage($conf, $pluginManager, $linkDb, $history, $sessionManager, $loginManager);
} else {
$app->respond($response);
}