index.php

   1 <?php
   2 /**
   3  * Shaarli - The personal, minimalist, super-fast, database free, bookmarking service.
   4  *
   5  * Friendly fork by the Shaarli community:
   6  *  - https://github.com/shaarli/Shaarli
   7  *
   8  * Original project by sebsauvage.net:
   9  *  - http://sebsauvage.net/wiki/doku.php?id=php:shaarli
  10  *  - https://github.com/sebsauvage/Shaarli
  11  *
  12  * Licence: http://www.opensource.org/licenses/zlib-license.php
  13  */
  14
  15 // Set 'UTC' as the default timezone if it is not defined in php.ini
  16 // See http://php.net/manual/en/datetime.configuration.php#ini.date.timezone
  17 if (date_default_timezone_get() == '') {
  18     date_default_timezone_set('UTC');
  19 }
  20
  21 /*
  22  * PHP configuration
  23  */
  24
  25 // http://server.com/x/shaarli --> /shaarli/
  26 define('WEB_PATH', substr($_SERVER['REQUEST_URI'], 0, 1+strrpos($_SERVER['REQUEST_URI'], '/', 0)));
  27
  28 // High execution time in case of problematic imports/exports.
  29 ini_set('max_input_time', '60');
  30
  31 // Try to set max upload file size and read
  32 ini_set('memory_limit', '128M');
  33 ini_set('post_max_size', '16M');
  34 ini_set('upload_max_filesize', '16M');
  35
  36 // See all error except warnings
  37 error_reporting(E_ALL^E_WARNING);
  38
  39 // 3rd-party libraries
  40 if (! file_exists(__DIR__ . '/vendor/autoload.php')) {
  41     header('Content-Type: text/plain; charset=utf-8');
  42     echo "Error: missing Composer configuration\n\n"
  43         ."If you installed Shaarli through Git or using the development branch,\n"
  44         ."please refer to the installation documentation to install PHP"
  45         ." dependencies using Composer:\n"
  46         ."- https://shaarli.readthedocs.io/en/master/Server-configuration/\n"
  47         ."- https://shaarli.readthedocs.io/en/master/Download-and-Installation/";
  48     exit;
  49 }
  50 require_once 'inc/rain.tpl.class.php';
  51 require_once __DIR__ . '/vendor/autoload.php';
  52
  53 // Shaarli library
  54 require_once 'application/bookmark/LinkUtils.php';
  55 require_once 'application/config/ConfigPlugin.php';
  56 require_once 'application/http/HttpUtils.php';
  57 require_once 'application/http/UrlUtils.php';
  58 require_once 'application/updater/UpdaterUtils.php';
  59 require_once 'application/FileUtils.php';
  60 require_once 'application/TimeZone.php';
  61 require_once 'application/Utils.php';
  62
  63 use Shaarli\ApplicationUtils;
  64 use Shaarli\Bookmark\Bookmark;
  65 use Shaarli\Bookmark\BookmarkFileService;
  66 use Shaarli\Bookmark\BookmarkFilter;
  67 use Shaarli\Bookmark\BookmarkServiceInterface;
  68 use Shaarli\Bookmark\Exception\BookmarkNotFoundException;
  69 use Shaarli\Config\ConfigManager;
  70 use Shaarli\Container\ContainerBuilder;
  71 use Shaarli\Feed\CachedPage;
  72 use Shaarli\Feed\FeedBuilder;
  73 use Shaarli\Formatter\BookmarkMarkdownFormatter;
  74 use Shaarli\Formatter\FormatterFactory;
  75 use Shaarli\History;
  76 use Shaarli\Languages;
  77 use Shaarli\Netscape\NetscapeBookmarkUtils;
  78 use Shaarli\Plugin\PluginManager;
  79 use Shaarli\Render\PageBuilder;
  80 use Shaarli\Render\PageCacheManager;
  81 use Shaarli\Render\ThemeUtils;
  82 use Shaarli\Router;
  83 use Shaarli\Security\LoginManager;
  84 use Shaarli\Security\SessionManager;
  85 use Shaarli\Thumbnailer;
  86 use Shaarli\Updater\Updater;
  87 use Shaarli\Updater\UpdaterUtils;
  88 use Slim\App;
  89
  90 // Ensure the PHP version is supported
  91 try {
  92     ApplicationUtils::checkPHPVersion('7.1', PHP_VERSION);
  93 } catch (Exception $exc) {
  94     header('Content-Type: text/plain; charset=utf-8');
  95     echo $exc->getMessage();
  96     exit;
  97 }
  98
  99 define('SHAARLI_VERSION', ApplicationUtils::getVersion(__DIR__ .'/'. ApplicationUtils::$VERSION_FILE));
 100
 101 // Force cookie path (but do not change lifetime)
 102 $cookie = session_get_cookie_params();
 103 $cookiedir = '';
 104 if (dirname($_SERVER['SCRIPT_NAME']) != '/') {
 105     $cookiedir = dirname($_SERVER["SCRIPT_NAME"]).'/';
 106 }
 107 // Set default cookie expiration and path.
 108 session_set_cookie_params($cookie['lifetime'], $cookiedir, $_SERVER['SERVER_NAME']);
 109 // Set session parameters on server side.
 110 // Use cookies to store session.
 111 ini_set('session.use_cookies', 1);
 112 // Force cookies for session (phpsessionID forbidden in URL).
 113 ini_set('session.use_only_cookies', 1);
 114 // Prevent PHP form using sessionID in URL if cookies are disabled.
 115 ini_set('session.use_trans_sid', false);
 116
 117 session_name('shaarli');
 118 // Start session if needed (Some server auto-start sessions).
 119 if (session_status() == PHP_SESSION_NONE) {
 120     session_start();
 121 }
 122
 123 // Regenerate session ID if invalid or not defined in cookie.
 124 if (isset($_COOKIE['shaarli']) && !SessionManager::checkId($_COOKIE['shaarli'])) {
 125     session_regenerate_id(true);
 126     $_COOKIE['shaarli'] = session_id();
 127 }
 128
 129 $conf = new ConfigManager();
 130
 131 // In dev mode, throw exception on any warning
 132 if ($conf->get('dev.debug', false)) {
 133     // See all errors (for debugging only)
 134     error_reporting(-1);
 135
 136     set_error_handler(function($errno, $errstr, $errfile, $errline, array $errcontext) {
 137         throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
 138     });
 139 }
 140
 141 $sessionManager = new SessionManager($_SESSION, $conf);
 142 $loginManager = new LoginManager($conf, $sessionManager);
 143 $loginManager->generateStaySignedInToken($_SERVER['REMOTE_ADDR']);
 144 $clientIpId = client_ip_id($_SERVER);
 145
 146 // LC_MESSAGES isn't defined without php-intl, in this case use LC_COLLATE locale instead.
 147 if (! defined('LC_MESSAGES')) {
 148     define('LC_MESSAGES', LC_COLLATE);
 149 }
 150
 151 // Sniff browser language and set date format accordingly.
 152 if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
 153     autoLocale($_SERVER['HTTP_ACCEPT_LANGUAGE']);
 154 }
 155
 156 new Languages(setlocale(LC_MESSAGES, 0), $conf);
 157
 158 $conf->setEmpty('general.timezone', date_default_timezone_get());
 159 $conf->setEmpty('general.title', t('Shared bookmarks on '). escape(index_url($_SERVER)));
 160 RainTPL::$tpl_dir = $conf->get('resource.raintpl_tpl').'/'.$conf->get('resource.theme').'/'; // template directory
 161 RainTPL::$cache_dir = $conf->get('resource.raintpl_tmp'); // cache directory
 162
 163 $pluginManager = new PluginManager($conf);
 164 $pluginManager->load($conf->get('general.enabled_plugins'));
 165
 166 date_default_timezone_set($conf->get('general.timezone', 'UTC'));
 167
 168 ob_start();  // Output buffering for the page cache.
 169
 170 // Prevent caching on client side or proxy: (yes, it's ugly)
 171 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
 172 header("Cache-Control: no-store, no-cache, must-revalidate");
 173 header("Cache-Control: post-check=0, pre-check=0", false);
 174 header("Pragma: no-cache");
 175
 176 if (! is_file($conf->getConfigFileExt())) {
 177     // Ensure Shaarli has proper access to its resources
 178     $errors = ApplicationUtils::checkResourcePermissions($conf);
 179
 180     if ($errors != array()) {
 181         $message = '<p>'. t('Insufficient permissions:') .'</p><ul>';
 182
 183         foreach ($errors as $error) {
 184             $message .= '<li>'.$error.'</li>';
 185         }
 186         $message .= '</ul>';
 187
 188         header('Content-Type: text/html; charset=utf-8');
 189         echo $message;
 190         exit;
 191     }
 192
 193     // Display the installation form if no existing config is found
 194     install($conf, $sessionManager, $loginManager);
 195 }
 196
 197 $loginManager->checkLoginState($_COOKIE, $clientIpId);
 198
 199 /**
 200  * Adapter function to ensure compatibility with third-party templates
 201  *
 202  * @see https://github.com/shaarli/Shaarli/pull/1086
 203  *
 204  * @return bool true when the user is logged in, false otherwise
 205  */
 206 function isLoggedIn()
 207 {
 208     global $loginManager;
 209     return $loginManager->isLoggedIn();
 210 }
 211
 212
 213 // ------------------------------------------------------------------------------------------
 214 // Process login form: Check if login/password is correct.
 215 if (isset($_POST['login'])) {
 216     if (! $loginManager->canLogin($_SERVER)) {
 217         die(t('I said: NO. You are banned for the moment. Go away.'));
 218     }
 219     if (isset($_POST['password'])
 220         && $sessionManager->checkToken($_POST['token'])
 221         && $loginManager->checkCredentials($_SERVER['REMOTE_ADDR'], $clientIpId, $_POST['login'], $_POST['password'])
 222     ) {
 223         $loginManager->handleSuccessfulLogin($_SERVER);
 224
 225         $cookiedir = '';
 226         if (dirname($_SERVER['SCRIPT_NAME']) != '/') {
 227             // Note: Never forget the trailing slash on the cookie path!
 228             $cookiedir = dirname($_SERVER["SCRIPT_NAME"]) . '/';
 229         }
 230
 231         if (!empty($_POST['longlastingsession'])) {
 232             // Keep the session cookie even after the browser closes
 233             $sessionManager->setStaySignedIn(true);
 234             $expirationTime = $sessionManager->extendSession();
 235
 236             setcookie(
 237                 $loginManager::$STAY_SIGNED_IN_COOKIE,
 238                 $loginManager->getStaySignedInToken(),
 239                 $expirationTime,
 240                 WEB_PATH
 241             );
 242         } else {
 243             // Standard session expiration (=when browser closes)
 244             $expirationTime = 0;
 245         }
 246
 247         // Send cookie with the new expiration date to the browser
 248         session_destroy();
 249         session_set_cookie_params($expirationTime, $cookiedir, $_SERVER['SERVER_NAME']);
 250         session_start();
 251         session_regenerate_id(true);
 252
 253         // Optional redirect after login:
 254         if (isset($_GET['post'])) {
 255             $uri = './?post='. urlencode($_GET['post']);
 256             foreach (array('description', 'source', 'title', 'tags') as $param) {
 257                 if (!empty($_GET[$param])) {
 258                     $uri .= '&'.$param.'='.urlencode($_GET[$param]);
 259                 }
 260             }
 261             header('Location: '. $uri);
 262             exit;
 263         }
 264
 265         if (isset($_GET['edit_link'])) {
 266             header('Location: ./?edit_link='. escape($_GET['edit_link']));
 267             exit;
 268         }
 269
 270         if (isset($_POST['returnurl'])) {
 271             // Prevent loops over login screen.
 272             if (strpos($_POST['returnurl'], '/login') === false) {
 273                 header('Location: '. generateLocation($_POST['returnurl'], $_SERVER['HTTP_HOST']));
 274                 exit;
 275             }
 276         }
 277         header('Location: ./?');
 278         exit;
 279     } else {
 280         $loginManager->handleFailedLogin($_SERVER);
 281         $redir = '?username='. urlencode($_POST['login']);
 282         if (isset($_GET['post'])) {
 283             $redir .= '&post=' . urlencode($_GET['post']);
 284             foreach (array('description', 'source', 'title', 'tags') as $param) {
 285                 if (!empty($_GET[$param])) {
 286                     $redir .= '&' . $param . '=' . urlencode($_GET[$param]);
 287                 }
 288             }
 289         }
 290         // Redirect to login screen.
 291         echo '<script>alert("'. t("Wrong login/password.") .'");document.location=\'./login'.$redir.'\';</script>';
 292         exit;
 293     }
 294 }
 295
 296 // ------------------------------------------------------------------------------------------
 297 // Token management for XSRF protection
 298 // Token should be used in any form which acts on data (create,update,delete,import...).
 299 if (!isset($_SESSION['tokens'])) {
 300     $_SESSION['tokens']=array();  // Token are attached to the session.
 301 }
 302
 303 /**
 304  * Renders the linklist
 305  *
 306  * @param pageBuilder              $PAGE          pageBuilder instance.
 307  * @param BookmarkServiceInterface $linkDb        instance.
 308  * @param ConfigManager            $conf          Configuration Manager instance.
 309  * @param PluginManager            $pluginManager Plugin Manager instance.
 310  */
 311 function showLinkList($PAGE, $linkDb, $conf, $pluginManager, $loginManager)
 312 {
 313     buildLinkList($PAGE, $linkDb, $conf, $pluginManager, $loginManager);
 314     $PAGE->renderPage('linklist');
 315 }
 316
 317 /**
 318  * Render HTML page (according to URL parameters and user rights)
 319  *
 320  * @param ConfigManager            $conf           Configuration Manager instance.
 321  * @param PluginManager            $pluginManager  Plugin Manager instance,
 322  * @param BookmarkServiceInterface $bookmarkService
 323  * @param History                  $history        instance
 324  * @param SessionManager           $sessionManager SessionManager instance
 325  * @param LoginManager             $loginManager   LoginManager instance
 326  */
 327 function renderPage($conf, $pluginManager, $bookmarkService, $history, $sessionManager, $loginManager)
 328 {
 329     $pageCacheManager = new PageCacheManager($conf->get('resource.page_cache'), $loginManager->isLoggedIn());
 330     $updater = new Updater(
 331         UpdaterUtils::read_updates_file($conf->get('resource.updates')),
 332         $bookmarkService,
 333         $conf,
 334         $loginManager->isLoggedIn()
 335     );
 336     try {
 337         $newUpdates = $updater->update();
 338         if (! empty($newUpdates)) {
 339             UpdaterUtils::write_updates_file(
 340                 $conf->get('resource.updates'),
 341                 $updater->getDoneUpdates()
 342             );
 343
 344             $pageCacheManager->invalidateCaches();
 345         }
 346     } catch (Exception $e) {
 347         die($e->getMessage());
 348     }
 349
 350     $PAGE = new PageBuilder($conf, $_SESSION, $bookmarkService, $sessionManager->generateToken(), $loginManager->isLoggedIn());
 351     $PAGE->assign('linkcount', $bookmarkService->count(BookmarkFilter::$ALL));
 352     $PAGE->assign('privateLinkcount', $bookmarkService->count(BookmarkFilter::$PRIVATE));
 353     $PAGE->assign('plugin_errors', $pluginManager->getErrors());
 354
 355     // Determine which page will be rendered.
 356     $query = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : '';
 357     $targetPage = Router::findPage($query, $_GET, $loginManager->isLoggedIn());
 358
 359     if (// if the user isn't logged in
 360         !$loginManager->isLoggedIn() &&
 361         // and Shaarli doesn't have public content...
 362         $conf->get('privacy.hide_public_links') &&
 363         // and is configured to enforce the login
 364         $conf->get('privacy.force_login') &&
 365         // and the current page isn't already the login page
 366         $targetPage !== Router::$PAGE_LOGIN &&
 367         // and the user is not requesting a feed (which would lead to a different content-type as expected)
 368         $targetPage !== Router::$PAGE_FEED_ATOM &&
 369         $targetPage !== Router::$PAGE_FEED_RSS
 370     ) {
 371         // force current page to be the login page
 372         $targetPage = Router::$PAGE_LOGIN;
 373     }
 374
 375     // Call plugin hooks for header, footer and includes, specifying which page will be rendered.
 376     // Then assign generated data to RainTPL.
 377     $common_hooks = array(
 378         'includes',
 379         'header',
 380         'footer',
 381     );
 382
 383     foreach ($common_hooks as $name) {
 384         $plugin_data = array();
 385         $pluginManager->executeHooks(
 386             'render_' . $name,
 387             $plugin_data,
 388             array(
 389                 'target' => $targetPage,
 390                 'loggedin' => $loginManager->isLoggedIn()
 391             )
 392         );
 393         $PAGE->assign('plugins_' . $name, $plugin_data);
 394     }
 395
 396     // -------- Display login form.
 397     if ($targetPage == Router::$PAGE_LOGIN) {
 398         header('Location: ./login');
 399         exit;
 400     }
 401     // -------- User wants to logout.
 402     if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=logout')) {
 403         header('Location: ./logout');
 404         exit;
 405     }
 406
 407     // -------- Picture wall
 408     if ($targetPage == Router::$PAGE_PICWALL) {
 409         header('Location: ./picture-wall');
 410         exit;
 411     }
 412
 413     // -------- Tag cloud
 414     if ($targetPage == Router::$PAGE_TAGCLOUD) {
 415         header('Location: ./tag-cloud');
 416         exit;
 417     }
 418
 419     // -------- Tag list
 420     if ($targetPage == Router::$PAGE_TAGLIST) {
 421         header('Location: ./tag-list');
 422         exit;
 423     }
 424
 425     // Daily page.
 426     if ($targetPage == Router::$PAGE_DAILY) {
 427         $dayParam = !empty($_GET['day']) ? '?day=' . escape($_GET['day']) : '';
 428         header('Location: ./daily'. $dayParam);
 429         exit;
 430     }
 431
 432     // ATOM and RSS feed.
 433     if ($targetPage == Router::$PAGE_FEED_ATOM || $targetPage == Router::$PAGE_FEED_RSS) {
 434         $feedType = $targetPage == Router::$PAGE_FEED_RSS ? FeedBuilder::$FEED_RSS : FeedBuilder::$FEED_ATOM;
 435
 436         header('Location: ./feed-'. $feedType .'?'. http_build_query($_GET));
 437         exit;
 438     }
 439
 440     // Display opensearch plugin (XML)
 441     if ($targetPage == Router::$PAGE_OPENSEARCH) {
 442         header('Location: ./open-search');
 443         exit;
 444     }
 445
 446     // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...)
 447     if (isset($_GET['addtag'])) {
 448         header('Location: ./add-tag/'. $_GET['addtag']);
 449         exit;
 450     }
 451
 452     // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...)
 453     if (isset($_GET['removetag'])) {
 454         header('Location: ./remove-tag/'. $_GET['removetag']);
 455         exit;
 456     }
 457
 458     // -------- User wants to change the number of bookmarks per page (linksperpage=...)
 459     if (isset($_GET['linksperpage'])) {
 460         header('Location: ./links-per-page?nb='. $_GET['linksperpage']);
 461         exit;
 462     }
 463
 464     // -------- User wants to see only private bookmarks (toggle)
 465     if (isset($_GET['visibility'])) {
 466         header('Location: ./visibility/'. $_GET['visibility']);
 467         exit;
 468     }
 469
 470     // -------- User wants to see only untagged bookmarks (toggle)
 471     if (isset($_GET['untaggedonly'])) {
 472         header('Location: ./untagged-only');
 473         exit;
 474     }
 475
 476     // -------- Handle other actions allowed for non-logged in users:
 477     if (!$loginManager->isLoggedIn()) {
 478         // User tries to post new link but is not logged in:
 479         // Show login screen, then redirect to ?post=...
 480         if (isset($_GET['post'])) {
 481             header( // Redirect to login page, then back to post link.
 482                 'Location: ./login?post='.urlencode($_GET['post']).
 483                 (!empty($_GET['title'])?'&title='.urlencode($_GET['title']):'').
 484                 (!empty($_GET['description'])?'&description='.urlencode($_GET['description']):'').
 485                 (!empty($_GET['tags'])?'&tags='.urlencode($_GET['tags']):'').
 486                 (!empty($_GET['source'])?'&source='.urlencode($_GET['source']):'')
 487             );
 488             exit;
 489         }
 490
 491         showLinkList($PAGE, $bookmarkService, $conf, $pluginManager, $loginManager);
 492         if (isset($_GET['edit_link'])) {
 493             header('Location: ./login?edit_link='. escape($_GET['edit_link']));
 494             exit;
 495         }
 496
 497         exit; // Never remove this one! All operations below are reserved for logged in user.
 498     }
 499
 500     // -------- All other functions are reserved for the registered user:
 501
 502     // -------- Display the Tools menu if requested (import/export/bookmarklet...)
 503     if ($targetPage == Router::$PAGE_TOOLS) {
 504         header('Location: ./tools');
 505         exit;
 506     }
 507
 508     // -------- User wants to change his/her password.
 509     if ($targetPage == Router::$PAGE_CHANGEPASSWORD) {
 510         header('Location: ./password');
 511         exit;
 512     }
 513
 514     // -------- User wants to change configuration
 515     if ($targetPage == Router::$PAGE_CONFIGURE) {
 516         header('Location: ./configure');
 517         exit;
 518     }
 519
 520     // -------- User wants to rename a tag or delete it
 521     if ($targetPage == Router::$PAGE_CHANGETAG) {
 522         if (empty($_POST['fromtag']) || (empty($_POST['totag']) && isset($_POST['renametag']))) {
 523             $PAGE->assign('fromtag', ! empty($_GET['fromtag']) ? escape($_GET['fromtag']) : '');
 524             $PAGE->assign('pagetitle', t('Manage tags') .' - '. $conf->get('general.title', 'Shaarli'));
 525             $PAGE->renderPage('changetag');
 526             exit;
 527         }
 528
 529         if (!$sessionManager->checkToken($_POST['token'])) {
 530             die(t('Wrong token.'));
 531         }
 532
 533         $toTag = isset($_POST['totag']) ? escape($_POST['totag']) : null;
 534         $fromTag = escape($_POST['fromtag']);
 535         $count = 0;
 536         $bookmarks = $bookmarkService->search(['searchtags' => $fromTag], BookmarkFilter::$ALL, true);
 537         foreach ($bookmarks as $bookmark) {
 538             if ($toTag) {
 539                 $bookmark->renameTag($fromTag, $toTag);
 540             } else {
 541                 $bookmark->deleteTag($fromTag);
 542             }
 543             $bookmarkService->set($bookmark, false);
 544             $history->updateLink($bookmark);
 545             $count++;
 546         }
 547         $bookmarkService->save();
 548         $delete = empty($_POST['totag']);
 549         $redirect = $delete ? './do=changetag' : 'searchtags='. urlencode(escape($_POST['totag']));
 550         $alert = $delete
 551             ? sprintf(t('The tag was removed from %d link.', 'The tag was removed from %d bookmarks.', $count), $count)
 552             : sprintf(t('The tag was renamed in %d link.', 'The tag was renamed in %d bookmarks.', $count), $count);
 553         echo '<script>alert("'. $alert .'");document.location=\'?'. $redirect .'\';</script>';
 554         exit;
 555     }
 556
 557     // -------- User wants to add a link without using the bookmarklet: Show form.
 558     if ($targetPage == Router::$PAGE_ADDLINK) {
 559         $PAGE->assign('pagetitle', t('Shaare a new link') .' - '. $conf->get('general.title', 'Shaarli'));
 560         $PAGE->renderPage('addlink');
 561         exit;
 562     }
 563
 564     // -------- User clicked the "Save" button when editing a link: Save link to database.
 565     if (isset($_POST['save_edit'])) {
 566         // Go away!
 567         if (! $sessionManager->checkToken($_POST['token'])) {
 568             die(t('Wrong token.'));
 569         }
 570
 571         // lf_id should only be present if the link exists.
 572         $id = isset($_POST['lf_id']) ? intval(escape($_POST['lf_id'])) : null;
 573         if ($id && $bookmarkService->exists($id)) {
 574             // Edit
 575             $bookmark = $bookmarkService->get($id);
 576         } else {
 577             // New link
 578             $bookmark = new Bookmark();
 579         }
 580
 581         $bookmark->setTitle($_POST['lf_title']);
 582         $bookmark->setDescription($_POST['lf_description']);
 583         $bookmark->setUrl($_POST['lf_url'], $conf->get('security.allowed_protocols'));
 584         $bookmark->setPrivate(isset($_POST['lf_private']));
 585         $bookmark->setTagsString($_POST['lf_tags']);
 586
 587         if ($conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE
 588             && ! $bookmark->isNote()
 589         ) {
 590             $thumbnailer = new Thumbnailer($conf);
 591             $bookmark->setThumbnail($thumbnailer->get($bookmark->getUrl()));
 592         }
 593         $bookmarkService->addOrSet($bookmark, false);
 594
 595         // To preserve backward compatibility with 3rd parties, plugins still use arrays
 596         $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
 597         $formatter = $factory->getFormatter('raw');
 598         $data = $formatter->format($bookmark);
 599         $pluginManager->executeHooks('save_link', $data);
 600
 601         $bookmark->fromArray($data);
 602         $bookmarkService->set($bookmark);
 603
 604         // If we are called from the bookmarklet, we must close the popup:
 605         if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) {
 606             echo '<script>self.close();</script>';
 607             exit;
 608         }
 609
 610         $returnurl = !empty($_POST['returnurl']) ? $_POST['returnurl'] : '?';
 611         $location = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link'));
 612         // Scroll to the link which has been edited.
 613         $location .= '#' . $bookmark->getShortUrl();
 614         // After saving the link, redirect to the page the user was on.
 615         header('Location: '. $location);
 616         exit;
 617     }
 618
 619     // -------- User clicked the "Delete" button when editing a link: Delete link from database.
 620     if ($targetPage == Router::$PAGE_DELETELINK) {
 621         if (! $sessionManager->checkToken($_GET['token'])) {
 622             die(t('Wrong token.'));
 623         }
 624
 625         $ids = trim($_GET['lf_linkdate']);
 626         if (strpos($ids, ' ') !== false) {
 627             // multiple, space-separated ids provided
 628             $ids = array_values(array_filter(
 629                 preg_split('/\s+/', escape($ids)),
 630                 function ($item) {
 631                     return $item !== '';
 632                 }
 633             ));
 634         } else {
 635             // only a single id provided
 636             $shortUrl = $bookmarkService->get($ids)->getShortUrl();
 637             $ids = [$ids];
 638         }
 639         // assert at least one id is given
 640         if (!count($ids)) {
 641             die('no id provided');
 642         }
 643         $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
 644         $formatter = $factory->getFormatter('raw');
 645         foreach ($ids as $id) {
 646             $id = (int) escape($id);
 647             $bookmark = $bookmarkService->get($id);
 648             $data = $formatter->format($bookmark);
 649             $pluginManager->executeHooks('delete_link', $data);
 650             $bookmarkService->remove($bookmark, false);
 651         }
 652         $bookmarkService->save();
 653
 654         // If we are called from the bookmarklet, we must close the popup:
 655         if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) {
 656             echo '<script>self.close();</script>';
 657             exit;
 658         }
 659
 660         $location = '?';
 661         if (isset($_SERVER['HTTP_REFERER'])) {
 662             // Don't redirect to where we were previously if it was a permalink or an edit_link, because it would 404.
 663             $location = generateLocation(
 664                 $_SERVER['HTTP_REFERER'],
 665                 $_SERVER['HTTP_HOST'],
 666                 ['delete_link', 'edit_link', ! empty($shortUrl) ? $shortUrl : null]
 667             );
 668         }
 669
 670         header('Location: ' . $location); // After deleting the link, redirect to appropriate location
 671         exit;
 672     }
 673
 674     // -------- User clicked either "Set public" or "Set private" bulk operation
 675     if ($targetPage == Router::$PAGE_CHANGE_VISIBILITY) {
 676         if (! $sessionManager->checkToken($_GET['token'])) {
 677             die(t('Wrong token.'));
 678         }
 679
 680         $ids = trim($_GET['ids']);
 681         if (strpos($ids, ' ') !== false) {
 682             // multiple, space-separated ids provided
 683             $ids = array_values(array_filter(preg_split('/\s+/', escape($ids))));
 684         } else {
 685             // only a single id provided
 686             $ids = [$ids];
 687         }
 688
 689         // assert at least one id is given
 690         if (!count($ids)) {
 691             die('no id provided');
 692         }
 693         // assert that the visibility is valid
 694         if (!isset($_GET['newVisibility']) || !in_array($_GET['newVisibility'], ['public', 'private'])) {
 695             die('invalid visibility');
 696         } else {
 697             $private = $_GET['newVisibility'] === 'private';
 698         }
 699         $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
 700         $formatter = $factory->getFormatter('raw');
 701         foreach ($ids as $id) {
 702             $id = (int) escape($id);
 703             $bookmark = $bookmarkService->get($id);
 704             $bookmark->setPrivate($private);
 705
 706             // To preserve backward compatibility with 3rd parties, plugins still use arrays
 707             $data = $formatter->format($bookmark);
 708             $pluginManager->executeHooks('save_link', $data);
 709             $bookmark->fromArray($data);
 710
 711             $bookmarkService->set($bookmark);
 712         }
 713         $bookmarkService->save();
 714
 715         $location = '?';
 716         if (isset($_SERVER['HTTP_REFERER'])) {
 717             $location = generateLocation(
 718                 $_SERVER['HTTP_REFERER'],
 719                 $_SERVER['HTTP_HOST']
 720             );
 721         }
 722         header('Location: ' . $location); // After deleting the link, redirect to appropriate location
 723         exit;
 724     }
 725
 726     // -------- User clicked the "EDIT" button on a link: Display link edit form.
 727     if (isset($_GET['edit_link'])) {
 728         $id = (int) escape($_GET['edit_link']);
 729         try {
 730             $link = $bookmarkService->get($id);  // Read database
 731         } catch (BookmarkNotFoundException $e) {
 732             // Link not found in database.
 733             header('Location: ?');
 734             exit;
 735         }
 736
 737         $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
 738         $formatter = $factory->getFormatter('raw');
 739         $formattedLink = $formatter->format($link);
 740         $tags = $bookmarkService->bookmarksCountPerTag();
 741         if ($conf->get('formatter') === 'markdown') {
 742             $tags[BookmarkMarkdownFormatter::NO_MD_TAG] = 1;
 743         }
 744         $data = array(
 745             'link' => $formattedLink,
 746             'link_is_new' => false,
 747             'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
 748             'tags' => $tags,
 749         );
 750         $pluginManager->executeHooks('render_editlink', $data);
 751
 752         foreach ($data as $key => $value) {
 753             $PAGE->assign($key, $value);
 754         }
 755
 756         $PAGE->assign('pagetitle', t('Edit') .' '. t('Shaare') .' - '. $conf->get('general.title', 'Shaarli'));
 757         $PAGE->renderPage('editlink');
 758         exit;
 759     }
 760
 761     // -------- User want to post a new link: Display link edit form.
 762     if (isset($_GET['post'])) {
 763         $url = cleanup_url($_GET['post']);
 764
 765         $link_is_new = false;
 766         // Check if URL is not already in database (in this case, we will edit the existing link)
 767         $bookmark = $bookmarkService->findByUrl($url);
 768         if (! $bookmark) {
 769             $link_is_new = true;
 770             // Get title if it was provided in URL (by the bookmarklet).
 771             $title = empty($_GET['title']) ? '' : escape($_GET['title']);
 772             // Get description if it was provided in URL (by the bookmarklet). [Bronco added that]
 773             $description = empty($_GET['description']) ? '' : escape($_GET['description']);
 774             $tags = empty($_GET['tags']) ? '' : escape($_GET['tags']);
 775             $private = !empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0;
 776
 777             // If this is an HTTP(S) link, we try go get the page to extract
 778             // the title (otherwise we will to straight to the edit form.)
 779             if (empty($title) && strpos(get_url_scheme($url), 'http') !== false) {
 780                 $retrieveDescription = $conf->get('general.retrieve_description');
 781                 // Short timeout to keep the application responsive
 782                 // The callback will fill $charset and $title with data from the downloaded page.
 783                 get_http_response(
 784                     $url,
 785                     $conf->get('general.download_timeout', 30),
 786                     $conf->get('general.download_max_size', 4194304),
 787                     get_curl_download_callback($charset, $title, $description, $tags, $retrieveDescription)
 788                 );
 789                 if (! empty($title) && strtolower($charset) != 'utf-8') {
 790                     $title = mb_convert_encoding($title, 'utf-8', $charset);
 791                 }
 792             }
 793
 794             if ($url == '') {
 795                 $title = $conf->get('general.default_note_title', t('Note: '));
 796             }
 797             $url = escape($url);
 798             $title = escape($title);
 799
 800             $link = [
 801                 'title' => $title,
 802                 'url' => $url,
 803                 'description' => $description,
 804                 'tags' => $tags,
 805                 'private' => $private,
 806             ];
 807         } else {
 808             $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
 809             $formatter = $factory->getFormatter('raw');
 810             $link = $formatter->format($bookmark);
 811         }
 812
 813         $tags = $bookmarkService->bookmarksCountPerTag();
 814         if ($conf->get('formatter') === 'markdown') {
 815             $tags[BookmarkMarkdownFormatter::NO_MD_TAG] = 1;
 816         }
 817         $data = [
 818             'link' => $link,
 819             'link_is_new' => $link_is_new,
 820             'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
 821             'source' => (isset($_GET['source']) ? $_GET['source'] : ''),
 822             'tags' => $tags,
 823             'default_private_links' => $conf->get('privacy.default_private_links', false),
 824         ];
 825         $pluginManager->executeHooks('render_editlink', $data);
 826
 827         foreach ($data as $key => $value) {
 828             $PAGE->assign($key, $value);
 829         }
 830
 831         $PAGE->assign('pagetitle', t('Shaare') .' - '. $conf->get('general.title', 'Shaarli'));
 832         $PAGE->renderPage('editlink');
 833         exit;
 834     }
 835
 836     if ($targetPage == Router::$PAGE_PINLINK) {
 837         if (! isset($_GET['id']) || !$bookmarkService->exists($_GET['id'])) {
 838             // FIXME! Use a proper error system.
 839             $msg = t('Invalid link ID provided');
 840             echo '<script>alert("'. $msg .'");document.location=\''. index_url($_SERVER) .'\';</script>';
 841             exit;
 842         }
 843         if (! $sessionManager->checkToken($_GET['token'])) {
 844             die('Wrong token.');
 845         }
 846
 847         $link = $bookmarkService->get($_GET['id']);
 848         $link->setSticky(! $link->isSticky());
 849         $bookmarkService->set($link);
 850         header('Location: '.index_url($_SERVER));
 851         exit;
 852     }
 853
 854     if ($targetPage == Router::$PAGE_EXPORT) {
 855         // Export bookmarks as a Netscape Bookmarks file
 856
 857         if (empty($_GET['selection'])) {
 858             $PAGE->assign('pagetitle', t('Export') .' - '. $conf->get('general.title', 'Shaarli'));
 859             $PAGE->renderPage('export');
 860             exit;
 861         }
 862
 863         // export as bookmarks_(all|private|public)_YYYYmmdd_HHMMSS.html
 864         $selection = $_GET['selection'];
 865         if (isset($_GET['prepend_note_url'])) {
 866             $prependNoteUrl = $_GET['prepend_note_url'];
 867         } else {
 868             $prependNoteUrl = false;
 869         }
 870
 871         try {
 872             $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
 873             $formatter = $factory->getFormatter('raw');
 874             $PAGE->assign(
 875                 'links',
 876                 NetscapeBookmarkUtils::filterAndFormat(
 877                     $bookmarkService,
 878                     $formatter,
 879                     $selection,
 880                     $prependNoteUrl,
 881                     index_url($_SERVER)
 882                 )
 883             );
 884         } catch (Exception $exc) {
 885             header('Content-Type: text/plain; charset=utf-8');
 886             echo $exc->getMessage();
 887             exit;
 888         }
 889         $now = new DateTime();
 890         header('Content-Type: text/html; charset=utf-8');
 891         header(
 892             'Content-disposition: attachment; filename=bookmarks_'
 893             .$selection.'_'.$now->format(Bookmark::LINK_DATE_FORMAT).'.html'
 894         );
 895         $PAGE->assign('date', $now->format(DateTime::RFC822));
 896         $PAGE->assign('eol', PHP_EOL);
 897         $PAGE->assign('selection', $selection);
 898         $PAGE->renderPage('export.bookmarks');
 899         exit;
 900     }
 901
 902     if ($targetPage == Router::$PAGE_IMPORT) {
 903         // Upload a Netscape bookmark dump to import its contents
 904
 905         if (! isset($_POST['token']) || ! isset($_FILES['filetoupload'])) {
 906             // Show import dialog
 907             $PAGE->assign(
 908                 'maxfilesize',
 909                 get_max_upload_size(
 910                     ini_get('post_max_size'),
 911                     ini_get('upload_max_filesize'),
 912                     false
 913                 )
 914             );
 915             $PAGE->assign(
 916                 'maxfilesizeHuman',
 917                 get_max_upload_size(
 918                     ini_get('post_max_size'),
 919                     ini_get('upload_max_filesize'),
 920                     true
 921                 )
 922             );
 923             $PAGE->assign('pagetitle', t('Import') .' - '. $conf->get('general.title', 'Shaarli'));
 924             $PAGE->renderPage('import');
 925             exit;
 926         }
 927
 928         // Import bookmarks from an uploaded file
 929         if (isset($_FILES['filetoupload']['size']) && $_FILES['filetoupload']['size'] == 0) {
 930             // The file is too big or some form field may be missing.
 931             $msg = sprintf(
 932                 t(
 933                     'The file you are trying to upload is probably bigger than what this webserver can accept'
 934                     .' (%s). Please upload in smaller chunks.'
 935                 ),
 936                 get_max_upload_size(ini_get('post_max_size'), ini_get('upload_max_filesize'))
 937             );
 938             echo '<script>alert("'. $msg .'");document.location=\'./?do='.Router::$PAGE_IMPORT .'\';</script>';
 939             exit;
 940         }
 941         if (! $sessionManager->checkToken($_POST['token'])) {
 942             die('Wrong token.');
 943         }
 944         $status = NetscapeBookmarkUtils::import(
 945             $_POST,
 946             $_FILES,
 947             $bookmarkService,
 948             $conf,
 949             $history
 950         );
 951         echo '<script>alert("'.$status.'");document.location=\'./?do='
 952              .Router::$PAGE_IMPORT .'\';</script>';
 953         exit;
 954     }
 955
 956     // Plugin administration page
 957     if ($targetPage == Router::$PAGE_PLUGINSADMIN) {
 958         $pluginMeta = $pluginManager->getPluginsMeta();
 959
 960         // Split plugins into 2 arrays: ordered enabled plugins and disabled.
 961         $enabledPlugins = array_filter($pluginMeta, function ($v) {
 962             return $v['order'] !== false;
 963         });
 964         // Load parameters.
 965         $enabledPlugins = load_plugin_parameter_values($enabledPlugins, $conf->get('plugins', array()));
 966         uasort(
 967             $enabledPlugins,
 968             function ($a, $b) {
 969                 return $a['order'] - $b['order'];
 970             }
 971         );
 972         $disabledPlugins = array_filter($pluginMeta, function ($v) {
 973             return $v['order'] === false;
 974         });
 975
 976         $PAGE->assign('enabledPlugins', $enabledPlugins);
 977         $PAGE->assign('disabledPlugins', $disabledPlugins);
 978         $PAGE->assign('pagetitle', t('Plugin administration') .' - '. $conf->get('general.title', 'Shaarli'));
 979         $PAGE->renderPage('pluginsadmin');
 980         exit;
 981     }
 982
 983     // Plugin administration form action
 984     if ($targetPage == Router::$PAGE_SAVE_PLUGINSADMIN) {
 985         try {
 986             if (isset($_POST['parameters_form'])) {
 987                 $pluginManager->executeHooks('save_plugin_parameters', $_POST);
 988                 unset($_POST['parameters_form']);
 989                 foreach ($_POST as $param => $value) {
 990                     $conf->set('plugins.'. $param, escape($value));
 991                 }
 992             } else {
 993                 $conf->set('general.enabled_plugins', save_plugin_config($_POST));
 994             }
 995             $conf->write($loginManager->isLoggedIn());
 996             $history->updateSettings();
 997         } catch (Exception $e) {
 998             error_log(
 999                 'ERROR while saving plugin configuration:.' . PHP_EOL .
1000                 $e->getMessage()
1001             );
1002
1003             // TODO: do not handle exceptions/errors in JS.
1004             echo '<script>alert("'
1005                 . $e->getMessage()
1006                 .'");document.location=\'./?do='
1007                 . Router::$PAGE_PLUGINSADMIN
1008                 .'\';</script>';
1009             exit;
1010         }
1011         header('Location: ./?do='. Router::$PAGE_PLUGINSADMIN);
1012         exit;
1013     }
1014
1015     // Get a fresh token
1016     if ($targetPage == Router::$GET_TOKEN) {
1017         header('Content-Type:text/plain');
1018         echo $sessionManager->generateToken();
1019         exit;
1020     }
1021
1022     // -------- Thumbnails Update
1023     if ($targetPage == Router::$PAGE_THUMBS_UPDATE) {
1024         $ids = [];
1025         foreach ($bookmarkService->search() as $bookmark) {
1026             // A note or not HTTP(S)
1027             if ($bookmark->isNote() || ! startsWith(strtolower($bookmark->getUrl()), 'http')) {
1028                 continue;
1029             }
1030             $ids[] = $bookmark->getId();
1031         }
1032         $PAGE->assign('ids', $ids);
1033         $PAGE->assign('pagetitle', t('Thumbnails update') .' - '. $conf->get('general.title', 'Shaarli'));
1034         $PAGE->renderPage('thumbnails');
1035         exit;
1036     }
1037
1038     // -------- Single Thumbnail Update
1039     if ($targetPage == Router::$AJAX_THUMB_UPDATE) {
1040         if (! isset($_POST['id']) || ! ctype_digit($_POST['id'])) {
1041             http_response_code(400);
1042             exit;
1043         }
1044         $id = (int) $_POST['id'];
1045         if (! $bookmarkService->exists($id)) {
1046             http_response_code(404);
1047             exit;
1048         }
1049         $thumbnailer = new Thumbnailer($conf);
1050         $bookmark = $bookmarkService->get($id);
1051         $bookmark->setThumbnail($thumbnailer->get($bookmark->getUrl()));
1052         $bookmarkService->set($bookmark);
1053
1054         $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
1055         echo json_encode($factory->getFormatter('raw')->format($bookmark));
1056         exit;
1057     }
1058
1059     // -------- Otherwise, simply display search form and bookmarks:
1060     showLinkList($PAGE, $bookmarkService, $conf, $pluginManager, $loginManager);
1061     exit;
1062 }
1063
1064 /**
1065  * Template for the list of bookmarks (<div id="linklist">)
1066  * This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
1067  *
1068  * @param pageBuilder              $PAGE          pageBuilder instance.
1069  * @param BookmarkServiceInterface $linkDb        LinkDB instance.
1070  * @param ConfigManager            $conf          Configuration Manager instance.
1071  * @param PluginManager            $pluginManager Plugin Manager instance.
1072  * @param LoginManager             $loginManager  LoginManager instance
1073  */
1074 function buildLinkList($PAGE, $linkDb, $conf, $pluginManager, $loginManager)
1075 {
1076     $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
1077     $formatter = $factory->getFormatter();
1078
1079     // Used in templates
1080     if (isset($_GET['searchtags'])) {
1081         if (! empty($_GET['searchtags'])) {
1082             $searchtags = escape(normalize_spaces($_GET['searchtags']));
1083         } else {
1084             $searchtags = false;
1085         }
1086     } else {
1087         $searchtags = '';
1088     }
1089     $searchterm = !empty($_GET['searchterm']) ? escape(normalize_spaces($_GET['searchterm'])) : '';
1090
1091     // Smallhash filter
1092     if (! empty($_SERVER['QUERY_STRING'])
1093         && preg_match('/^[a-zA-Z0-9-_@]{6}($|&|#)/', $_SERVER['QUERY_STRING'])) {
1094         try {
1095             $linksToDisplay = $linkDb->findByHash($_SERVER['QUERY_STRING']);
1096         } catch (BookmarkNotFoundException $e) {
1097             $PAGE->render404($e->getMessage());
1098             exit;
1099         }
1100     } else {
1101         // Filter bookmarks according search parameters.
1102         $visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : null;
1103         $request = [
1104             'searchtags' => $searchtags,
1105             'searchterm' => $searchterm,
1106         ];
1107         $linksToDisplay = $linkDb->search($request, $visibility, false, !empty($_SESSION['untaggedonly']));
1108     }
1109
1110     // ---- Handle paging.
1111     $keys = array();
1112     foreach ($linksToDisplay as $key => $value) {
1113         $keys[] = $key;
1114     }
1115
1116     // Select articles according to paging.
1117     $pagecount = ceil(count($keys) / $_SESSION['LINKS_PER_PAGE']);
1118     $pagecount = $pagecount == 0 ? 1 : $pagecount;
1119     $page= empty($_GET['page']) ? 1 : intval($_GET['page']);
1120     $page = $page < 1 ? 1 : $page;
1121     $page = $page > $pagecount ? $pagecount : $page;
1122     // Start index.
1123     $i = ($page-1) * $_SESSION['LINKS_PER_PAGE'];
1124     $end = $i + $_SESSION['LINKS_PER_PAGE'];
1125
1126     $thumbnailsEnabled = $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE;
1127     if ($thumbnailsEnabled) {
1128         $thumbnailer = new Thumbnailer($conf);
1129     }
1130
1131     $linkDisp = array();
1132     while ($i<$end && $i<count($keys)) {
1133         $link = $formatter->format($linksToDisplay[$keys[$i]]);
1134
1135         // Logged in, thumbnails enabled, not a note,
1136         // and (never retrieved yet or no valid cache file)
1137         if ($loginManager->isLoggedIn()
1138             && $thumbnailsEnabled
1139             && !$linksToDisplay[$keys[$i]]->isNote()
1140             && $linksToDisplay[$keys[$i]]->getThumbnail() !== false
1141             && ! is_file($linksToDisplay[$keys[$i]]->getThumbnail())
1142         ) {
1143             $linksToDisplay[$keys[$i]]->setThumbnail($thumbnailer->get($link['url']));
1144             $linkDb->set($linksToDisplay[$keys[$i]], false);
1145             $updateDB = true;
1146             $link['thumbnail'] = $linksToDisplay[$keys[$i]]->getThumbnail();
1147         }
1148
1149         // Check for both signs of a note: starting with ? and 7 chars long.
1150 //        if ($link['url'][0] === '?' && strlen($link['url']) === 7) {
1151 //            $link['url'] = index_url($_SERVER) . $link['url'];
1152 //        }
1153
1154         $linkDisp[$keys[$i]] = $link;
1155         $i++;
1156     }
1157
1158     // If we retrieved new thumbnails, we update the database.
1159     if (!empty($updateDB)) {
1160         $linkDb->save();
1161     }
1162
1163     // Compute paging navigation
1164     $searchtagsUrl = $searchtags === '' ? '' : '&searchtags=' . urlencode($searchtags);
1165     $searchtermUrl = empty($searchterm) ? '' : '&searchterm=' . urlencode($searchterm);
1166     $previous_page_url = '';
1167     if ($i != count($keys)) {
1168         $previous_page_url = '?page=' . ($page+1) . $searchtermUrl . $searchtagsUrl;
1169     }
1170     $next_page_url='';
1171     if ($page>1) {
1172         $next_page_url = '?page=' . ($page-1) . $searchtermUrl . $searchtagsUrl;
1173     }
1174
1175     // Fill all template fields.
1176     $data = array(
1177         'previous_page_url' => $previous_page_url,
1178         'next_page_url' => $next_page_url,
1179         'page_current' => $page,
1180         'page_max' => $pagecount,
1181         'result_count' => count($linksToDisplay),
1182         'search_term' => $searchterm,
1183         'search_tags' => $searchtags,
1184         'visibility' => ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '',
1185         'links' => $linkDisp,
1186     );
1187
1188     // If there is only a single link, we change on-the-fly the title of the page.
1189     if (count($linksToDisplay) == 1) {
1190         $data['pagetitle'] = $linksToDisplay[$keys[0]]->getTitle() .' - '. $conf->get('general.title');
1191     } elseif (! empty($searchterm) || ! empty($searchtags)) {
1192         $data['pagetitle'] = t('Search: ');
1193         $data['pagetitle'] .= ! empty($searchterm) ? $searchterm .' ' : '';
1194         $bracketWrap = function ($tag) {
1195             return '['. $tag .']';
1196         };
1197         $data['pagetitle'] .= ! empty($searchtags)
1198             ? implode(' ', array_map($bracketWrap, preg_split('/\s+/', $searchtags))).' '
1199             : '';
1200         $data['pagetitle'] .= '- '. $conf->get('general.title');
1201     }
1202
1203     $pluginManager->executeHooks('render_linklist', $data, array('loggedin' => $loginManager->isLoggedIn()));
1204
1205     foreach ($data as $key => $value) {
1206         $PAGE->assign($key, $value);
1207     }
1208
1209     return;
1210 }
1211
1212 /**
1213  * Installation
1214  * This function should NEVER be called if the file data/config.php exists.
1215  *
1216  * @param ConfigManager  $conf           Configuration Manager instance.
1217  * @param SessionManager $sessionManager SessionManager instance
1218  * @param LoginManager   $loginManager   LoginManager instance
1219  */
1220 function install($conf, $sessionManager, $loginManager)
1221 {
1222     // On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
1223     if (endsWith($_SERVER['HTTP_HOST'], '.free.fr') && !is_dir($_SERVER['DOCUMENT_ROOT'].'/sessions')) {
1224         mkdir($_SERVER['DOCUMENT_ROOT'].'/sessions', 0705);
1225     }
1226
1227
1228     // This part makes sure sessions works correctly.
1229     // (Because on some hosts, session.save_path may not be set correctly,
1230     // or we may not have write access to it.)
1231     if (isset($_GET['test_session'])
1232         && ( !isset($_SESSION) || !isset($_SESSION['session_tested']) || $_SESSION['session_tested']!='Working')) {
1233         // Step 2: Check if data in session is correct.
1234         $msg = t(
1235             '<pre>Sessions do not seem to work correctly on your server.<br>'.
1236             'Make sure the variable "session.save_path" is set correctly in your PHP config, '.
1237             'and that you have write access to it.<br>'.
1238             'It currently points to %s.<br>'.
1239             'On some browsers, accessing your server via a hostname like \'localhost\' '.
1240             'or any custom hostname without a dot causes cookie storage to fail. '.
1241             'We recommend accessing your server via it\'s IP address or Fully Qualified Domain Name.<br>'
1242         );
1243         $msg = sprintf($msg, session_save_path());
1244         echo $msg;
1245         echo '<br><a href="?">'. t('Click to try again.') .'</a></pre>';
1246         die;
1247     }
1248     if (!isset($_SESSION['session_tested'])) {
1249         // Step 1 : Try to store data in session and reload page.
1250         $_SESSION['session_tested'] = 'Working';  // Try to set a variable in session.
1251         header('Location: '.index_url($_SERVER).'?test_session');  // Redirect to check stored data.
1252     }
1253     if (isset($_GET['test_session'])) {
1254         // Step 3: Sessions are OK. Remove test parameter from URL.
1255         header('Location: '.index_url($_SERVER));
1256     }
1257
1258
1259     if (!empty($_POST['setlogin']) && !empty($_POST['setpassword'])) {
1260         $tz = 'UTC';
1261         if (!empty($_POST['continent']) && !empty($_POST['city'])
1262             && isTimeZoneValid($_POST['continent'], $_POST['city'])
1263         ) {
1264             $tz = $_POST['continent'].'/'.$_POST['city'];
1265         }
1266         $conf->set('general.timezone', $tz);
1267         $login = $_POST['setlogin'];
1268         $conf->set('credentials.login', $login);
1269         $salt = sha1(uniqid('', true) .'_'. mt_rand());
1270         $conf->set('credentials.salt', $salt);
1271         $conf->set('credentials.hash', sha1($_POST['setpassword'] . $login . $salt));
1272         if (!empty($_POST['title'])) {
1273             $conf->set('general.title', escape($_POST['title']));
1274         } else {
1275             $conf->set('general.title', 'Shared bookmarks on '.escape(index_url($_SERVER)));
1276         }
1277         $conf->set('translation.language', escape($_POST['language']));
1278         $conf->set('updates.check_updates', !empty($_POST['updateCheck']));
1279         $conf->set('api.enabled', !empty($_POST['enableApi']));
1280         $conf->set(
1281             'api.secret',
1282             generate_api_secret(
1283                 $conf->get('credentials.login'),
1284                 $conf->get('credentials.salt')
1285             )
1286         );
1287         try {
1288             // Everything is ok, let's create config file.
1289             $conf->write($loginManager->isLoggedIn());
1290         } catch (Exception $e) {
1291             error_log(
1292                 'ERROR while writing config file after installation.' . PHP_EOL .
1293                     $e->getMessage()
1294             );
1295
1296             // TODO: do not handle exceptions/errors in JS.
1297             echo '<script>alert("'. $e->getMessage() .'");document.location=\'?\';</script>';
1298             exit;
1299         }
1300
1301         $history = new History($conf->get('resource.history'));
1302         $bookmarkService = new BookmarkFileService($conf, $history, true);
1303         if ($bookmarkService->count() === 0) {
1304             $bookmarkService->initialize();
1305         }
1306
1307         echo '<script>alert('
1308             .'"Shaarli is now configured. '
1309             .'Please enter your login/password and start shaaring your bookmarks!"'
1310             .');document.location=\'./login\';</script>';
1311         exit;
1312     }
1313
1314     $PAGE = new PageBuilder($conf, $_SESSION, null, $sessionManager->generateToken());
1315     list($continents, $cities) = generateTimeZoneData(timezone_identifiers_list(), date_default_timezone_get());
1316     $PAGE->assign('continents', $continents);
1317     $PAGE->assign('cities', $cities);
1318     $PAGE->assign('languages', Languages::getAvailableLanguages());
1319     $PAGE->renderPage('install');
1320     exit;
1321 }
1322
1323 if (!isset($_SESSION['LINKS_PER_PAGE'])) {
1324     $_SESSION['LINKS_PER_PAGE'] = $conf->get('general.links_per_page', 20);
1325 }
1326
1327 try {
1328     $history = new History($conf->get('resource.history'));
1329 } catch (Exception $e) {
1330     die($e->getMessage());
1331 }
1332
1333 $linkDb = new BookmarkFileService($conf, $history, $loginManager->isLoggedIn());
1334
1335 if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=dailyrss')) {
1336     header('Location: ./daily-rss');
1337     exit;
1338 }
1339
1340 $containerBuilder = new ContainerBuilder($conf, $sessionManager, $loginManager, WEB_PATH);
1341 $container = $containerBuilder->build();
1342 $app = new App($container);
1343
1344 // REST API routes
1345 $app->group('/api/v1', function () {
1346     $this->get('/info', '\Shaarli\Api\Controllers\Info:getInfo')->setName('getInfo');
1347     $this->get('/links', '\Shaarli\Api\Controllers\Links:getLinks')->setName('getLinks');
1348     $this->get('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:getLink')->setName('getLink');
1349     $this->post('/links', '\Shaarli\Api\Controllers\Links:postLink')->setName('postLink');
1350     $this->put('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:putLink')->setName('putLink');
1351     $this->delete('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:deleteLink')->setName('deleteLink');
1352
1353     $this->get('/tags', '\Shaarli\Api\Controllers\Tags:getTags')->setName('getTags');
1354     $this->get('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:getTag')->setName('getTag');
1355     $this->put('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:putTag')->setName('putTag');
1356     $this->delete('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:deleteTag')->setName('deleteTag');
1357
1358     $this->get('/history', '\Shaarli\Api\Controllers\HistoryController:getHistory')->setName('getHistory');
1359 })->add('\Shaarli\Api\ApiMiddleware');
1360
1361 $app->group('', function () {
1362     /* -- PUBLIC --*/
1363     $this->get('/login', '\Shaarli\Front\Controller\Visitor\LoginController:index')->setName('login');
1364     $this->get('/picture-wall', '\Shaarli\Front\Controller\Visitor\PictureWallController:index')->setName('picwall');
1365     $this->get('/tag-cloud', '\Shaarli\Front\Controller\Visitor\TagCloudController:cloud')->setName('tagcloud');
1366     $this->get('/tag-list', '\Shaarli\Front\Controller\Visitor\TagCloudController:list')->setName('taglist');
1367     $this->get('/daily', '\Shaarli\Front\Controller\Visitor\DailyController:index')->setName('daily');
1368     $this->get('/daily-rss', '\Shaarli\Front\Controller\Visitor\DailyController:rss')->setName('dailyrss');
1369     $this->get('/feed-atom', '\Shaarli\Front\Controller\Visitor\FeedController:atom')->setName('feedatom');
1370     $this->get('/feed-rss', '\Shaarli\Front\Controller\Visitor\FeedController:rss')->setName('feedrss');
1371     $this->get('/open-search', '\Shaarli\Front\Controller\Visitor\OpenSearchController:index')->setName('opensearch');
1372
1373     $this->get('/add-tag/{newTag}', '\Shaarli\Front\Controller\Visitor\TagController:addTag')->setName('add-tag');
1374     $this->get('/remove-tag/{tag}', '\Shaarli\Front\Controller\Visitor\TagController:removeTag')->setName('remove-tag');
1375
1376     /* -- LOGGED IN -- */
1377     $this->get('/logout', '\Shaarli\Front\Controller\Admin\LogoutController:index')->setName('logout');
1378     $this->get('/tools', '\Shaarli\Front\Controller\Admin\ToolsController:index')->setName('tools');
1379     $this->get('/password', '\Shaarli\Front\Controller\Admin\PasswordController:index')->setName('password');
1380     $this->post('/password', '\Shaarli\Front\Controller\Admin\PasswordController:change')->setName('changePassword');
1381     $this->get('/configure', '\Shaarli\Front\Controller\Admin\ConfigureController:index')->setName('configure');
1382     $this->post('/configure', '\Shaarli\Front\Controller\Admin\ConfigureController:save')->setName('saveConfigure');
1383
1384     $this
1385         ->get('/links-per-page', '\Shaarli\Front\Controller\Admin\SessionFilterController:linksPerPage')
1386         ->setName('filter-links-per-page')
1387     ;
1388     $this
1389         ->get('/visibility/{visibility}', '\Shaarli\Front\Controller\Admin\SessionFilterController:visibility')
1390         ->setName('visibility')
1391     ;
1392     $this
1393         ->get('/untagged-only', '\Shaarli\Front\Controller\Admin\SessionFilterController:untaggedOnly')
1394         ->setName('untagged-only')
1395     ;
1396 })->add('\Shaarli\Front\ShaarliMiddleware');
1397
1398 $response = $app->run(true);
1399
1400 // Hack to make Slim and Shaarli router work together:
1401 // If a Slim route isn't found and NOT API call, we call renderPage().
1402 if ($response->getStatusCode() == 404 && strpos($_SERVER['REQUEST_URI'], '/api/v1') === false) {
1403     // We use UTF-8 for proper international characters handling.
1404     header('Content-Type: text/html; charset=utf-8');
1405     renderPage($conf, $pluginManager, $linkDb, $history, $sessionManager, $loginManager);
1406 } else {
1407     $response = $response
1408         ->withHeader('Access-Control-Allow-Origin', '*')
1409         ->withHeader(
1410             'Access-Control-Allow-Headers',
1411             'X-Requested-With, Content-Type, Accept, Origin, Authorization'
1412         )
1413         ->withHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
1414     $app->respond($response);
1415 }