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::$PAGE_TAGCLOUD) {
 415         header('Location: ./tags/cloud');
 416         exit;
 417     }
 418
 419     // -------- Tag list
 420     if ($targetPage == Router::$PAGE_TAGLIST) {
 421         header('Location: ./tags/list');
 422         exit;
 423     }
 424
 425     // Daily page.
 426     if ($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($_GET['edit_link']));
 494             exit;
 495         }
 496
 497         exit; // Never remove this one! All operations below are reserved for logged in user.
 498     }
 499
 500     // -------- All other functions are reserved for the registered user:
 501
 502     // TODO: Remove legacy admin route redirections. We'll only keep public URL.
 503
 504     // -------- Display the Tools menu if requested (import/export/bookmarklet...)
 505     if ($targetPage == Router::$PAGE_TOOLS) {
 506         header('Location: ./admin/tools');
 507         exit;
 508     }
 509
 510     // -------- User wants to change his/her password.
 511     if ($targetPage == Router::$PAGE_CHANGEPASSWORD) {
 512         header('Location: ./admin/password');
 513         exit;
 514     }
 515
 516     // -------- User wants to change configuration
 517     if ($targetPage == Router::$PAGE_CONFIGURE) {
 518         header('Location: ./admin/configure');
 519         exit;
 520     }
 521
 522     // -------- User wants to rename a tag or delete it
 523     if ($targetPage == Router::$PAGE_CHANGETAG) {
 524         header('Location: ./admin/tags');
 525         exit;
 526     }
 527
 528     // -------- User wants to add a link without using the bookmarklet: Show form.
 529     if ($targetPage == Router::$PAGE_ADDLINK) {
 530         header('Location: ./admin/shaare');
 531         exit;
 532     }
 533
 534     // -------- User clicked the "Save" button when editing a link: Save link to database.
 535     if (isset($_POST['save_edit'])) {
 536         // This route is no longer supported in legacy mode
 537         header('Location: ./');
 538         exit;
 539     }
 540
 541     // -------- User clicked the "Delete" button when editing a link: Delete link from database.
 542     if ($targetPage == Router::$PAGE_DELETELINK) {
 543         $ids = $_GET['lf_linkdate'] ?? '';
 544         $token = $_GET['token'] ?? '';
 545
 546         header('Location: ./admin/shaare/delete?id=' . $ids . '&token=' . $token);
 547         exit;
 548     }
 549
 550     // -------- User clicked either "Set public" or "Set private" bulk operation
 551     if ($targetPage == Router::$PAGE_CHANGE_VISIBILITY) {
 552         header('Location: ./admin/shaare/visibility?id=' . $_GET['token']);
 553         exit;
 554     }
 555
 556     // -------- User clicked the "EDIT" button on a link: Display link edit form.
 557     if (isset($_GET['edit_link'])) {
 558         $id = (int) escape($_GET['edit_link']);
 559         header('Location: ./admin/shaare/' . $id);
 560         exit;
 561     }
 562
 563     // -------- User want to post a new link: Display link edit form.
 564     if (isset($_GET['post'])) {
 565         header('Location: ./admin/shaare?' . http_build_query($_GET));
 566         exit;
 567     }
 568
 569     if ($targetPage == Router::$PAGE_PINLINK) {
 570         // This route is no longer supported in legacy mode
 571         header('Location: ./');
 572         exit;
 573     }
 574
 575     if ($targetPage == Router::$PAGE_EXPORT) {
 576         header('Location: ./admin/export');
 577         exit;
 578     }
 579
 580     if ($targetPage == Router::$PAGE_IMPORT) {
 581         header('Location: ./admin/import');
 582         exit;
 583     }
 584
 585     // Plugin administration page
 586     if ($targetPage == Router::$PAGE_PLUGINSADMIN) {
 587         header('Location: ./admin/plugins');
 588         exit;
 589     }
 590
 591     // Plugin administration form action
 592     if ($targetPage == Router::$PAGE_SAVE_PLUGINSADMIN) {
 593         // This route is no longer supported in legacy mode
 594         header('Location: ./admin/plugins');
 595         exit;
 596     }
 597
 598     // Get a fresh token
 599     if ($targetPage == Router::$GET_TOKEN) {
 600         header('Location: ./admin/token');
 601         exit;
 602     }
 603
 604     // -------- Thumbnails Update
 605     if ($targetPage == Router::$PAGE_THUMBS_UPDATE) {
 606         $ids = [];
 607         foreach ($bookmarkService->search() as $bookmark) {
 608             // A note or not HTTP(S)
 609             if ($bookmark->isNote() || ! startsWith(strtolower($bookmark->getUrl()), 'http')) {
 610                 continue;
 611             }
 612             $ids[] = $bookmark->getId();
 613         }
 614         $PAGE->assign('ids', $ids);
 615         $PAGE->assign('pagetitle', t('Thumbnails update') .' - '. $conf->get('general.title', 'Shaarli'));
 616         $PAGE->renderPage('thumbnails');
 617         exit;
 618     }
 619
 620     // -------- Single Thumbnail Update
 621     if ($targetPage == Router::$AJAX_THUMB_UPDATE) {
 622         if (! isset($_POST['id']) || ! ctype_digit($_POST['id'])) {
 623             http_response_code(400);
 624             exit;
 625         }
 626         $id = (int) $_POST['id'];
 627         if (! $bookmarkService->exists($id)) {
 628             http_response_code(404);
 629             exit;
 630         }
 631         $thumbnailer = new Thumbnailer($conf);
 632         $bookmark = $bookmarkService->get($id);
 633         $bookmark->setThumbnail($thumbnailer->get($bookmark->getUrl()));
 634         $bookmarkService->set($bookmark);
 635
 636         $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
 637         echo json_encode($factory->getFormatter('raw')->format($bookmark));
 638         exit;
 639     }
 640
 641     // -------- Otherwise, simply display search form and bookmarks:
 642     showLinkList($PAGE, $bookmarkService, $conf, $pluginManager, $loginManager);
 643     exit;
 644 }
 645
 646 /**
 647  * Template for the list of bookmarks (<div id="linklist">)
 648  * This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
 649  *
 650  * @param pageBuilder              $PAGE          pageBuilder instance.
 651  * @param BookmarkServiceInterface $linkDb        LinkDB instance.
 652  * @param ConfigManager            $conf          Configuration Manager instance.
 653  * @param PluginManager            $pluginManager Plugin Manager instance.
 654  * @param LoginManager             $loginManager  LoginManager instance
 655  */
 656 function buildLinkList($PAGE, $linkDb, $conf, $pluginManager, $loginManager)
 657 {
 658     $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
 659     $formatter = $factory->getFormatter();
 660
 661     // Used in templates
 662     if (isset($_GET['searchtags'])) {
 663         if (! empty($_GET['searchtags'])) {
 664             $searchtags = escape(normalize_spaces($_GET['searchtags']));
 665         } else {
 666             $searchtags = false;
 667         }
 668     } else {
 669         $searchtags = '';
 670     }
 671     $searchterm = !empty($_GET['searchterm']) ? escape(normalize_spaces($_GET['searchterm'])) : '';
 672
 673     // Smallhash filter
 674     if (! empty($_SERVER['QUERY_STRING'])
 675         && preg_match('/^[a-zA-Z0-9-_@]{6}($|&|#)/', $_SERVER['QUERY_STRING'])) {
 676         try {
 677             $linksToDisplay = $linkDb->findByHash($_SERVER['QUERY_STRING']);
 678         } catch (BookmarkNotFoundException $e) {
 679             $PAGE->render404($e->getMessage());
 680             exit;
 681         }
 682     } else {
 683         // Filter bookmarks according search parameters.
 684         $visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : null;
 685         $request = [
 686             'searchtags' => $searchtags,
 687             'searchterm' => $searchterm,
 688         ];
 689         $linksToDisplay = $linkDb->search($request, $visibility, false, !empty($_SESSION['untaggedonly']));
 690     }
 691
 692     // ---- Handle paging.
 693     $keys = array();
 694     foreach ($linksToDisplay as $key => $value) {
 695         $keys[] = $key;
 696     }
 697
 698     // Select articles according to paging.
 699     $pagecount = ceil(count($keys) / $_SESSION['LINKS_PER_PAGE']);
 700     $pagecount = $pagecount == 0 ? 1 : $pagecount;
 701     $page= empty($_GET['page']) ? 1 : intval($_GET['page']);
 702     $page = $page < 1 ? 1 : $page;
 703     $page = $page > $pagecount ? $pagecount : $page;
 704     // Start index.
 705     $i = ($page-1) * $_SESSION['LINKS_PER_PAGE'];
 706     $end = $i + $_SESSION['LINKS_PER_PAGE'];
 707
 708     $thumbnailsEnabled = $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE;
 709     if ($thumbnailsEnabled) {
 710         $thumbnailer = new Thumbnailer($conf);
 711     }
 712
 713     $linkDisp = array();
 714     while ($i<$end && $i<count($keys)) {
 715         $link = $formatter->format($linksToDisplay[$keys[$i]]);
 716
 717         // Logged in, thumbnails enabled, not a note,
 718         // and (never retrieved yet or no valid cache file)
 719         if ($loginManager->isLoggedIn()
 720             && $thumbnailsEnabled
 721             && !$linksToDisplay[$keys[$i]]->isNote()
 722             && $linksToDisplay[$keys[$i]]->getThumbnail() !== false
 723             && ! is_file($linksToDisplay[$keys[$i]]->getThumbnail())
 724         ) {
 725             $linksToDisplay[$keys[$i]]->setThumbnail($thumbnailer->get($link['url']));
 726             $linkDb->set($linksToDisplay[$keys[$i]], false);
 727             $updateDB = true;
 728             $link['thumbnail'] = $linksToDisplay[$keys[$i]]->getThumbnail();
 729         }
 730
 731         // Check for both signs of a note: starting with ? and 7 chars long.
 732 //        if ($link['url'][0] === '?' && strlen($link['url']) === 7) {
 733 //            $link['url'] = index_url($_SERVER) . $link['url'];
 734 //        }
 735
 736         $linkDisp[$keys[$i]] = $link;
 737         $i++;
 738     }
 739
 740     // If we retrieved new thumbnails, we update the database.
 741     if (!empty($updateDB)) {
 742         $linkDb->save();
 743     }
 744
 745     // Compute paging navigation
 746     $searchtagsUrl = $searchtags === '' ? '' : '&searchtags=' . urlencode($searchtags);
 747     $searchtermUrl = empty($searchterm) ? '' : '&searchterm=' . urlencode($searchterm);
 748     $previous_page_url = '';
 749     if ($i != count($keys)) {
 750         $previous_page_url = '?page=' . ($page+1) . $searchtermUrl . $searchtagsUrl;
 751     }
 752     $next_page_url='';
 753     if ($page>1) {
 754         $next_page_url = '?page=' . ($page-1) . $searchtermUrl . $searchtagsUrl;
 755     }
 756
 757     // Fill all template fields.
 758     $data = array(
 759         'previous_page_url' => $previous_page_url,
 760         'next_page_url' => $next_page_url,
 761         'page_current' => $page,
 762         'page_max' => $pagecount,
 763         'result_count' => count($linksToDisplay),
 764         'search_term' => $searchterm,
 765         'search_tags' => $searchtags,
 766         'visibility' => ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '',
 767         'links' => $linkDisp,
 768     );
 769
 770     // If there is only a single link, we change on-the-fly the title of the page.
 771     if (count($linksToDisplay) == 1) {
 772         $data['pagetitle'] = $linksToDisplay[$keys[0]]->getTitle() .' - '. $conf->get('general.title');
 773     } elseif (! empty($searchterm) || ! empty($searchtags)) {
 774         $data['pagetitle'] = t('Search: ');
 775         $data['pagetitle'] .= ! empty($searchterm) ? $searchterm .' ' : '';
 776         $bracketWrap = function ($tag) {
 777             return '['. $tag .']';
 778         };
 779         $data['pagetitle'] .= ! empty($searchtags)
 780             ? implode(' ', array_map($bracketWrap, preg_split('/\s+/', $searchtags))).' '
 781             : '';
 782         $data['pagetitle'] .= '- '. $conf->get('general.title');
 783     }
 784
 785     $pluginManager->executeHooks('render_linklist', $data, array('loggedin' => $loginManager->isLoggedIn()));
 786
 787     foreach ($data as $key => $value) {
 788         $PAGE->assign($key, $value);
 789     }
 790
 791     return;
 792 }
 793
 794 /**
 795  * Installation
 796  * This function should NEVER be called if the file data/config.php exists.
 797  *
 798  * @param ConfigManager  $conf           Configuration Manager instance.
 799  * @param SessionManager $sessionManager SessionManager instance
 800  * @param LoginManager   $loginManager   LoginManager instance
 801  */
 802 function install($conf, $sessionManager, $loginManager)
 803 {
 804     // On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
 805     if (endsWith($_SERVER['HTTP_HOST'], '.free.fr') && !is_dir($_SERVER['DOCUMENT_ROOT'].'/sessions')) {
 806         mkdir($_SERVER['DOCUMENT_ROOT'].'/sessions', 0705);
 807     }
 808
 809
 810     // This part makes sure sessions works correctly.
 811     // (Because on some hosts, session.save_path may not be set correctly,
 812     // or we may not have write access to it.)
 813     if (isset($_GET['test_session'])
 814         && ( !isset($_SESSION) || !isset($_SESSION['session_tested']) || $_SESSION['session_tested']!='Working')) {
 815         // Step 2: Check if data in session is correct.
 816         $msg = t(
 817             '<pre>Sessions do not seem to work correctly on your server.<br>'.
 818             'Make sure the variable "session.save_path" is set correctly in your PHP config, '.
 819             'and that you have write access to it.<br>'.
 820             'It currently points to %s.<br>'.
 821             'On some browsers, accessing your server via a hostname like \'localhost\' '.
 822             'or any custom hostname without a dot causes cookie storage to fail. '.
 823             'We recommend accessing your server via it\'s IP address or Fully Qualified Domain Name.<br>'
 824         );
 825         $msg = sprintf($msg, session_save_path());
 826         echo $msg;
 827         echo '<br><a href="?">'. t('Click to try again.') .'</a></pre>';
 828         die;
 829     }
 830     if (!isset($_SESSION['session_tested'])) {
 831         // Step 1 : Try to store data in session and reload page.
 832         $_SESSION['session_tested'] = 'Working';  // Try to set a variable in session.
 833         header('Location: '.index_url($_SERVER).'?test_session');  // Redirect to check stored data.
 834     }
 835     if (isset($_GET['test_session'])) {
 836         // Step 3: Sessions are OK. Remove test parameter from URL.
 837         header('Location: '.index_url($_SERVER));
 838     }
 839
 840
 841     if (!empty($_POST['setlogin']) && !empty($_POST['setpassword'])) {
 842         $tz = 'UTC';
 843         if (!empty($_POST['continent']) && !empty($_POST['city'])
 844             && isTimeZoneValid($_POST['continent'], $_POST['city'])
 845         ) {
 846             $tz = $_POST['continent'].'/'.$_POST['city'];
 847         }
 848         $conf->set('general.timezone', $tz);
 849         $login = $_POST['setlogin'];
 850         $conf->set('credentials.login', $login);
 851         $salt = sha1(uniqid('', true) .'_'. mt_rand());
 852         $conf->set('credentials.salt', $salt);
 853         $conf->set('credentials.hash', sha1($_POST['setpassword'] . $login . $salt));
 854         if (!empty($_POST['title'])) {
 855             $conf->set('general.title', escape($_POST['title']));
 856         } else {
 857             $conf->set('general.title', 'Shared bookmarks on '.escape(index_url($_SERVER)));
 858         }
 859         $conf->set('translation.language', escape($_POST['language']));
 860         $conf->set('updates.check_updates', !empty($_POST['updateCheck']));
 861         $conf->set('api.enabled', !empty($_POST['enableApi']));
 862         $conf->set(
 863             'api.secret',
 864             generate_api_secret(
 865                 $conf->get('credentials.login'),
 866                 $conf->get('credentials.salt')
 867             )
 868         );
 869         try {
 870             // Everything is ok, let's create config file.
 871             $conf->write($loginManager->isLoggedIn());
 872         } catch (Exception $e) {
 873             error_log(
 874                 'ERROR while writing config file after installation.' . PHP_EOL .
 875                     $e->getMessage()
 876             );
 877
 878             // TODO: do not handle exceptions/errors in JS.
 879             echo '<script>alert("'. $e->getMessage() .'");document.location=\'?\';</script>';
 880             exit;
 881         }
 882
 883         $history = new History($conf->get('resource.history'));
 884         $bookmarkService = new BookmarkFileService($conf, $history, true);
 885         if ($bookmarkService->count() === 0) {
 886             $bookmarkService->initialize();
 887         }
 888
 889         echo '<script>alert('
 890             .'"Shaarli is now configured. '
 891             .'Please enter your login/password and start shaaring your bookmarks!"'
 892             .');document.location=\'./login\';</script>';
 893         exit;
 894     }
 895
 896     $PAGE = new PageBuilder($conf, $_SESSION, null, $sessionManager->generateToken());
 897     list($continents, $cities) = generateTimeZoneData(timezone_identifiers_list(), date_default_timezone_get());
 898     $PAGE->assign('continents', $continents);
 899     $PAGE->assign('cities', $cities);
 900     $PAGE->assign('languages', Languages::getAvailableLanguages());
 901     $PAGE->renderPage('install');
 902     exit;
 903 }
 904
 905 if (!isset($_SESSION['LINKS_PER_PAGE'])) {
 906     $_SESSION['LINKS_PER_PAGE'] = $conf->get('general.links_per_page', 20);
 907 }
 908
 909 try {
 910     $history = new History($conf->get('resource.history'));
 911 } catch (Exception $e) {
 912     die($e->getMessage());
 913 }
 914
 915 $linkDb = new BookmarkFileService($conf, $history, $loginManager->isLoggedIn());
 916
 917 if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=dailyrss')) {
 918     header('Location: ./daily-rss');
 919     exit;
 920 }
 921
 922 $containerBuilder = new ContainerBuilder($conf, $sessionManager, $loginManager);
 923 $container = $containerBuilder->build();
 924 $app = new App($container);
 925
 926 // REST API routes
 927 $app->group('/api/v1', function () {
 928     $this->get('/info', '\Shaarli\Api\Controllers\Info:getInfo')->setName('getInfo');
 929     $this->get('/links', '\Shaarli\Api\Controllers\Links:getLinks')->setName('getLinks');
 930     $this->get('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:getLink')->setName('getLink');
 931     $this->post('/links', '\Shaarli\Api\Controllers\Links:postLink')->setName('postLink');
 932     $this->put('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:putLink')->setName('putLink');
 933     $this->delete('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:deleteLink')->setName('deleteLink');
 934
 935     $this->get('/tags', '\Shaarli\Api\Controllers\Tags:getTags')->setName('getTags');
 936     $this->get('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:getTag')->setName('getTag');
 937     $this->put('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:putTag')->setName('putTag');
 938     $this->delete('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:deleteTag')->setName('deleteTag');
 939
 940     $this->get('/history', '\Shaarli\Api\Controllers\HistoryController:getHistory')->setName('getHistory');
 941 })->add('\Shaarli\Api\ApiMiddleware');
 942
 943 $app->group('', function () {
 944     /* -- PUBLIC --*/
 945     $this->get('/login', '\Shaarli\Front\Controller\Visitor\LoginController:index');
 946     $this->get('/picture-wall', '\Shaarli\Front\Controller\Visitor\PictureWallController:index');
 947     $this->get('/tags/cloud', '\Shaarli\Front\Controller\Visitor\TagCloudController:cloud');
 948     $this->get('/tags/list', '\Shaarli\Front\Controller\Visitor\TagCloudController:list');
 949     $this->get('/daily', '\Shaarli\Front\Controller\Visitor\DailyController:index');
 950     $this->get('/daily-rss', '\Shaarli\Front\Controller\Visitor\DailyController:rss');
 951     $this->get('/feed/atom', '\Shaarli\Front\Controller\Visitor\FeedController:atom');
 952     $this->get('/feed/rss', '\Shaarli\Front\Controller\Visitor\FeedController:rss');
 953     $this->get('/open-search', '\Shaarli\Front\Controller\Visitor\OpenSearchController:index');
 954
 955     $this->get('/add-tag/{newTag}', '\Shaarli\Front\Controller\Visitor\TagController:addTag');
 956     $this->get('/remove-tag/{tag}', '\Shaarli\Front\Controller\Visitor\TagController:removeTag');
 957
 958     /* -- LOGGED IN -- */
 959     $this->get('/logout', '\Shaarli\Front\Controller\Admin\LogoutController:index');
 960     $this->get('/admin/tools', '\Shaarli\Front\Controller\Admin\ToolsController:index');
 961     $this->get('/admin/password', '\Shaarli\Front\Controller\Admin\PasswordController:index');
 962     $this->post('/admin/password', '\Shaarli\Front\Controller\Admin\PasswordController:change');
 963     $this->get('/admin/configure', '\Shaarli\Front\Controller\Admin\ConfigureController:index');
 964     $this->post('/admin/configure', '\Shaarli\Front\Controller\Admin\ConfigureController:save');
 965     $this->get('/admin/tags', '\Shaarli\Front\Controller\Admin\ManageTagController:index');
 966     $this->post('/admin/tags', '\Shaarli\Front\Controller\Admin\ManageTagController:save');
 967     $this->get('/admin/add-shaare', '\Shaarli\Front\Controller\Admin\ManageShaareController:addShaare');
 968     $this->get('/admin/shaare', '\Shaarli\Front\Controller\Admin\ManageShaareController:displayCreateForm');
 969     $this->get('/admin/shaare/{id:[0-9]+}', '\Shaarli\Front\Controller\Admin\ManageShaareController:displayEditForm');
 970     $this->post('/admin/shaare', '\Shaarli\Front\Controller\Admin\ManageShaareController:save');
 971     $this->get('/admin/shaare/delete', '\Shaarli\Front\Controller\Admin\ManageShaareController:deleteBookmark');
 972     $this->get('/admin/shaare/visibility', '\Shaarli\Front\Controller\Admin\ManageShaareController:changeVisibility');
 973     $this->get('/admin/shaare/{id:[0-9]+}/pin', '\Shaarli\Front\Controller\Admin\ManageShaareController:pinBookmark');
 974     $this->get('/admin/export', '\Shaarli\Front\Controller\Admin\ExportController:index');
 975     $this->post('/admin/export', '\Shaarli\Front\Controller\Admin\ExportController:export');
 976     $this->get('/admin/import', '\Shaarli\Front\Controller\Admin\ImportController:index');
 977     $this->post('/admin/import', '\Shaarli\Front\Controller\Admin\ImportController:import');
 978     $this->get('/admin/plugins', '\Shaarli\Front\Controller\Admin\PluginsController:index');
 979     $this->post('/admin/plugins', '\Shaarli\Front\Controller\Admin\PluginsController:save');
 980     $this->get('/admin/token', '\Shaarli\Front\Controller\Admin\TokenController:getToken');
 981
 982     $this->get('/links-per-page', '\Shaarli\Front\Controller\Admin\SessionFilterController:linksPerPage');
 983     $this->get('/visibility/{visibility}', '\Shaarli\Front\Controller\Admin\SessionFilterController:visibility');
 984     $this->get('/untagged-only', '\Shaarli\Front\Controller\Admin\SessionFilterController:untaggedOnly');
 985 })->add('\Shaarli\Front\ShaarliMiddleware');
 986
 987 $response = $app->run(true);
 988
 989 // Hack to make Slim and Shaarli router work together:
 990 // If a Slim route isn't found and NOT API call, we call renderPage().
 991 if ($response->getStatusCode() == 404 && strpos($_SERVER['REQUEST_URI'], '/api/v1') === false) {
 992     // We use UTF-8 for proper international characters handling.
 993     header('Content-Type: text/html; charset=utf-8');
 994     renderPage($conf, $pluginManager, $linkDb, $history, $sessionManager, $loginManager);
 995 } else {
 996     $response = $response
 997         ->withHeader('Access-Control-Allow-Origin', '*')
 998         ->withHeader(
 999             'Access-Control-Allow-Headers',
1000             'X-Requested-With, Content-Type, Accept, Origin, Authorization'
1001         )
1002         ->withHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
1003     $app->respond($response);
1004 }