-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)
- $expirationTime = 0;
- }
-
- // Send cookie with the new expiration date to the browser
- session_destroy();
- session_set_cookie_params($expirationTime, $cookiedir, $_SERVER['SERVER_NAME']);
- session_start();
- session_regenerate_id(true);
-
- // Optional redirect after login:
- if (isset($_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($_POST['returnurl'], '/login') === false) {
- header('Location: '. generateLocation($_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[$param]);
- }
- }
- }
- // Redirect to login screen.
- echo '<script>alert("'. t("Wrong login/password.") .'");document.location=\'./login'.$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.
-}
-
-/**
- * Renders the linklist
- *
- * @param pageBuilder $PAGE pageBuilder instance.
- * @param BookmarkServiceInterface $linkDb instance.
- * @param ConfigManager $conf Configuration Manager instance.
- * @param PluginManager $pluginManager Plugin Manager instance.
- */
-function showLinkList($PAGE, $linkDb, $conf, $pluginManager, $loginManager)
-{
- buildLinkList($PAGE, $linkDb, $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 BookmarkServiceInterface $bookmarkService
- * @param History $history instance
- * @param SessionManager $sessionManager SessionManager instance
- * @param LoginManager $loginManager LoginManager instance
- */
-function renderPage($conf, $pluginManager, $bookmarkService, $history, $sessionManager, $loginManager)
-{
- $pageCacheManager = new PageCacheManager($conf->get('resource.page_cache'), $loginManager->isLoggedIn());
- $updater = new Updater(
- UpdaterUtils::read_updates_file($conf->get('resource.updates')),
- $bookmarkService,
- $conf,
- $loginManager->isLoggedIn()
- );
- try {
- $newUpdates = $updater->update();
- if (! empty($newUpdates)) {
- UpdaterUtils::write_updates_file(
- $conf->get('resource.updates'),
- $updater->getDoneUpdates()
- );
-
- $pageCacheManager->invalidateCaches();
- }
- } catch (Exception $e) {
- die($e->getMessage());
- }
-
- $PAGE = new PageBuilder($conf, $_SESSION, $bookmarkService, $sessionManager->generateToken(), $loginManager->isLoggedIn());
- $PAGE->assign('linkcount', $bookmarkService->count(BookmarkFilter::$ALL));
- $PAGE->assign('privateLinkcount', $bookmarkService->count(BookmarkFilter::$PRIVATE));
- $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::$PAGE_LOGIN) {
- header('Location: ./login');
- exit;
- }
- // -------- User wants to logout.
- if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=logout')) {
- header('Location: ./logout');
- exit;
- }
-
- // -------- Picture wall
- if ($targetPage == Router::$PAGE_PICWALL) {
- header('Location: ./picture-wall');
- exit;
- }
-
- // -------- Tag cloud
- if ($targetPage == Router::$PAGE_TAGCLOUD) {
- header('Location: ./tag-cloud');
- exit;
- }
-
- // -------- Tag list
- if ($targetPage == Router::$PAGE_TAGLIST) {
- header('Location: ./tag-list');
- exit;
- }
-
- // Daily page.
- if ($targetPage == Router::$PAGE_DAILY) {
- $dayParam = !empty($_GET['day']) ? '?day=' . escape($_GET['day']) : '';
- header('Location: ./daily'. $dayParam);
- exit;
- }
-
- // ATOM and RSS feed.
- if ($targetPage == Router::$PAGE_FEED_ATOM || $targetPage == Router::$PAGE_FEED_RSS) {
- $feedType = $targetPage == Router::$PAGE_FEED_RSS ? FeedBuilder::$FEED_RSS : FeedBuilder::$FEED_ATOM;
-
- header('Location: ./feed-'. $feedType .'?'. http_build_query($_GET));
- exit;
- }
-
- // Display opensearch plugin (XML)
- if ($targetPage == Router::$PAGE_OPENSEARCH) {
- header('Location: ./open-search');
- exit;
- }
-
- // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...)
- if (isset($_GET['addtag'])) {
- header('Location: ./add-tag/'. $_GET['addtag']);
- exit;
- }
-
- // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...)
- if (isset($_GET['removetag'])) {
- header('Location: ./remove-tag/'. $_GET['removetag']);
- exit;
- }
-
- // -------- User wants to change the number of bookmarks per page (linksperpage=...)
- if (isset($_GET['linksperpage'])) {
- header('Location: ./links-per-page?nb='. $_GET['linksperpage']);
- exit;
- }
-
- // -------- User wants to see only private bookmarks (toggle)
- if (isset($_GET['visibility'])) {
- header('Location: ./visibility/'. $_GET['visibility']);
- exit;
- }
-
- // -------- User wants to see only untagged bookmarks (toggle)
- if (isset($_GET['untaggedonly'])) {
- header('Location: ./untagged-only');
- 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: ./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, $bookmarkService, $conf, $pluginManager, $loginManager);
- if (isset($_GET['edit_link'])) {
- header('Location: ./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::$PAGE_TOOLS) {
- header('Location: ./tools');
- exit;
- }
-
- // -------- User wants to change his/her password.
- if ($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=\'./tools\';</script>';
- exit;
- }
- echo '<script>alert("'. t('Your password has been changed') .'");document.location=\'./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']));
- $conf->set('general.retrieve_description', !empty($_POST['retrieveDescription']));
- $conf->set('resource.theme', escape($_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']));
- $conf->set('formatter', escape($_POST['formatter']));
-
- if (! empty($_POST['language'])) {
- $conf->set('translation.language', escape($_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();
- $pageCacheManager->invalidateCaches();
- } 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')));
- $PAGE->assign('formatter_available', ['default', 'markdown']);
- list($continents, $cities) = generateTimeZoneData(
- timezone_identifiers_list(),
- $conf->get('general.timezone')
- );
- $PAGE->assign('continents', $continents);
- $PAGE->assign('cities', $cities);
- $PAGE->assign('retrieve_description', $conf->get('general.retrieve_description'));
- $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('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.'));
- }
-
- $toTag = isset($_POST['totag']) ? escape($_POST['totag']) : null;
- $fromTag = escape($_POST['fromtag']);
- $count = 0;
- $bookmarks = $bookmarkService->search(['searchtags' => $fromTag], BookmarkFilter::$ALL, true);
- foreach ($bookmarks as $bookmark) {
- if ($toTag) {
- $bookmark->renameTag($fromTag, $toTag);
- } else {
- $bookmark->deleteTag($fromTag);
- }
- $bookmarkService->set($bookmark, false);
- $history->updateLink($bookmark);
- $count++;
- }
- $bookmarkService->save();
- $delete = empty($_POST['totag']);
- $redirect = $delete ? './do=changetag' : 'searchtags='. urlencode(escape($_POST['totag']));
- $alert = $delete
- ? sprintf(t('The tag was removed from %d link.', 'The tag was removed from %d bookmarks.', $count), $count)
- : sprintf(t('The tag was renamed in %d link.', 'The tag was renamed in %d bookmarks.', $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($_POST['lf_id'])) : null;
- if ($id && $bookmarkService->exists($id)) {
- // Edit
- $bookmark = $bookmarkService->get($id);
- } else {
- // New link
- $bookmark = new Bookmark();
- }
-
- $bookmark->setTitle($_POST['lf_title']);
- $bookmark->setDescription($_POST['lf_description']);
- $bookmark->setUrl($_POST['lf_url'], $conf->get('security.allowed_protocols'));
- $bookmark->setPrivate(isset($_POST['lf_private']));
- $bookmark->setTagsString($_POST['lf_tags']);
-
- if ($conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE
- && ! $bookmark->isNote()
- ) {
- $thumbnailer = new Thumbnailer($conf);
- $bookmark->setThumbnail($thumbnailer->get($bookmark->getUrl()));
- }
- $bookmarkService->addOrSet($bookmark, false);