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  * Daily RSS feed: 1 RSS entry per day giving all the bookmarks on that day.
 305  * Gives the last 7 days (which have bookmarks).
 306  * This RSS feed cannot be filtered.
 307  *
 308  * @param BookmarkServiceInterface $bookmarkService
 309  * @param ConfigManager            $conf            Configuration Manager instance
 310  * @param LoginManager             $loginManager    LoginManager instance
 311  */
 312 function showDailyRSS($bookmarkService, $conf, $loginManager)
 313 {
 314     // Cache system
 315     $query = $_SERVER['QUERY_STRING'];
 316     $cache = new CachedPage(
 317         $conf->get('config.PAGE_CACHE'),
 318         page_url($_SERVER),
 319         startsWith($query, 'do=dailyrss') && !$loginManager->isLoggedIn()
 320     );
 321     $cached = $cache->cachedVersion();
 322     if (!empty($cached)) {
 323         echo $cached;
 324         exit;
 325     }
 326
 327     /* Some Shaarlies may have very few bookmarks, so we need to look
 328        back in time until we have enough days ($nb_of_days).
 329     */
 330     $nb_of_days = 7; // We take 7 days.
 331     $today = date('Ymd');
 332     $days = array();
 333
 334     foreach ($bookmarkService->search() as $bookmark) {
 335         $day = $bookmark->getCreated()->format('Ymd'); // Extract day (without time)
 336         if (strcmp($day, $today) < 0) {
 337             if (empty($days[$day])) {
 338                 $days[$day] = array();
 339             }
 340             $days[$day][] = $bookmark;
 341         }
 342
 343         if (count($days) > $nb_of_days) {
 344             break; // Have we collected enough days?
 345         }
 346     }
 347
 348     // Build the RSS feed.
 349     header('Content-Type: application/rss+xml; charset=utf-8');
 350     $pageaddr = escape(index_url($_SERVER));
 351     echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">';
 352     echo '<channel>';
 353     echo '<title>Daily - '. $conf->get('general.title') . '</title>';
 354     echo '<link>'. $pageaddr .'</link>';
 355     echo '<description>Daily shared bookmarks</description>';
 356     echo '<language>en-en</language>';
 357     echo '<copyright>'. $pageaddr .'</copyright>'. PHP_EOL;
 358
 359     $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
 360     $formatter = $factory->getFormatter();
 361     $formatter->addContextData('index_url', index_url($_SERVER));
 362     // For each day.
 363     /** @var Bookmark[] $bookmarks */
 364     foreach ($days as $day => $bookmarks) {
 365         $formattedBookmarks = [];
 366         $dayDate = DateTime::createFromFormat(Bookmark::LINK_DATE_FORMAT, $day.'_000000');
 367         $absurl = escape(index_url($_SERVER).'?do=daily&day='.$day);  // Absolute URL of the corresponding "Daily" page.
 368
 369         // We pre-format some fields for proper output.
 370         foreach ($bookmarks as $key => $bookmark) {
 371             $formattedBookmarks[$key] = $formatter->format($bookmark);
 372             // This page is a bit specific, we need raw description to calculate the length
 373             $formattedBookmarks[$key]['formatedDescription'] = $formattedBookmarks[$key]['description'];
 374             $formattedBookmarks[$key]['description'] = $bookmark->getDescription();
 375
 376             if ($bookmark->isNote()) {
 377                 $link['url'] = index_url($_SERVER) . $bookmark->getUrl();  // make permalink URL absolute
 378             }
 379         }
 380
 381         // Then build the HTML for this day:
 382         $tpl = new RainTPL();
 383         $tpl->assign('title', $conf->get('general.title'));
 384         $tpl->assign('daydate', $dayDate->getTimestamp());
 385         $tpl->assign('absurl', $absurl);
 386         $tpl->assign('links', $formattedBookmarks);
 387         $tpl->assign('rssdate', escape($dayDate->format(DateTime::RSS)));
 388         $tpl->assign('hide_timestamps', $conf->get('privacy.hide_timestamps', false));
 389         $tpl->assign('index_url', $pageaddr);
 390         $html = $tpl->draw('dailyrss', true);
 391
 392         echo $html . PHP_EOL;
 393     }
 394     echo '</channel></rss><!-- Cached version of '. escape(page_url($_SERVER)) .' -->';
 395
 396     $cache->cache(ob_get_contents());
 397     ob_end_flush();
 398     exit;
 399 }
 400
 401 /**
 402  * Show the 'Daily' page.
 403  *
 404  * @param PageBuilder              $pageBuilder     Template engine wrapper.
 405  * @param BookmarkServiceInterface $bookmarkService instance.
 406  * @param ConfigManager            $conf            Configuration Manager instance.
 407  * @param PluginManager            $pluginManager   Plugin Manager instance.
 408  * @param LoginManager             $loginManager    Login Manager instance
 409  */
 410 function showDaily($pageBuilder, $bookmarkService, $conf, $pluginManager, $loginManager)
 411 {
 412     if (isset($_GET['day'])) {
 413         $day = $_GET['day'];
 414         if ($day === date('Ymd', strtotime('now'))) {
 415             $pageBuilder->assign('dayDesc', t('Today'));
 416         } elseif ($day === date('Ymd', strtotime('-1 days'))) {
 417             $pageBuilder->assign('dayDesc', t('Yesterday'));
 418         }
 419     } else {
 420         $day = date('Ymd', strtotime('now')); // Today, in format YYYYMMDD.
 421         $pageBuilder->assign('dayDesc', t('Today'));
 422     }
 423
 424     $days = $bookmarkService->days();
 425     $i = array_search($day, $days);
 426     if ($i === false && count($days)) {
 427         // no bookmarks for day, but at least one day with bookmarks
 428         $i = count($days) - 1;
 429         $day = $days[$i];
 430     }
 431     $previousday = '';
 432     $nextday = '';
 433
 434     if ($i !== false) {
 435         if ($i >= 1) {
 436              $previousday = $days[$i - 1];
 437         }
 438         if ($i < count($days) - 1) {
 439             $nextday = $days[$i + 1];
 440         }
 441     }
 442     try {
 443         $linksToDisplay = $bookmarkService->filterDay($day);
 444     } catch (Exception $exc) {
 445         error_log($exc);
 446         $linksToDisplay = [];
 447     }
 448
 449     $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
 450     $formatter = $factory->getFormatter();
 451     // We pre-format some fields for proper output.
 452     foreach ($linksToDisplay as $key => $bookmark) {
 453         $linksToDisplay[$key] = $formatter->format($bookmark);
 454         // This page is a bit specific, we need raw description to calculate the length
 455         $linksToDisplay[$key]['formatedDescription'] = $linksToDisplay[$key]['description'];
 456         $linksToDisplay[$key]['description'] = $bookmark->getDescription();
 457     }
 458
 459     $dayDate = DateTime::createFromFormat(Bookmark::LINK_DATE_FORMAT, $day.'_000000');
 460     $data = array(
 461         'pagetitle' => $conf->get('general.title') .' - '. format_date($dayDate, false),
 462         'linksToDisplay' => $linksToDisplay,
 463         'day' => $dayDate->getTimestamp(),
 464         'dayDate' => $dayDate,
 465         'previousday' => $previousday,
 466         'nextday' => $nextday,
 467     );
 468
 469     /* Hook is called before column construction so that plugins don't have
 470        to deal with columns. */
 471     $pluginManager->executeHooks('render_daily', $data, array('loggedin' => $loginManager->isLoggedIn()));
 472
 473     /* We need to spread the articles on 3 columns.
 474        I did not want to use a JavaScript lib like http://masonry.desandro.com/
 475        so I manually spread entries with a simple method: I roughly evaluate the
 476        height of a div according to title and description length.
 477     */
 478     $columns = array(array(), array(), array()); // Entries to display, for each column.
 479     $fill = array(0, 0, 0);  // Rough estimate of columns fill.
 480     foreach ($data['linksToDisplay'] as $key => $bookmark) {
 481         // Roughly estimate length of entry (by counting characters)
 482         // Title: 30 chars = 1 line. 1 line is 30 pixels height.
 483         // Description: 836 characters gives roughly 342 pixel height.
 484         // This is not perfect, but it's usually OK.
 485         $length = strlen($bookmark['title']) + (342 * strlen($bookmark['description'])) / 836;
 486         if (! empty($bookmark['thumbnail'])) {
 487             $length += 100; // 1 thumbnails roughly takes 100 pixels height.
 488         }
 489         // Then put in column which is the less filled:
 490         $smallest = min($fill); // find smallest value in array.
 491         $index = array_search($smallest, $fill); // find index of this smallest value.
 492         array_push($columns[$index], $bookmark); // Put entry in this column.
 493         $fill[$index] += $length;
 494     }
 495
 496     $data['cols'] = $columns;
 497
 498     foreach ($data as $key => $value) {
 499         $pageBuilder->assign($key, $value);
 500     }
 501
 502     $pageBuilder->assign('pagetitle', t('Daily') .' - '. $conf->get('general.title', 'Shaarli'));
 503     $pageBuilder->renderPage('daily');
 504     exit;
 505 }
 506
 507 /**
 508  * Renders the linklist
 509  *
 510  * @param pageBuilder              $PAGE          pageBuilder instance.
 511  * @param BookmarkServiceInterface $linkDb        instance.
 512  * @param ConfigManager            $conf          Configuration Manager instance.
 513  * @param PluginManager            $pluginManager Plugin Manager instance.
 514  */
 515 function showLinkList($PAGE, $linkDb, $conf, $pluginManager, $loginManager)
 516 {
 517     buildLinkList($PAGE, $linkDb, $conf, $pluginManager, $loginManager);
 518     $PAGE->renderPage('linklist');
 519 }
 520
 521 /**
 522  * Render HTML page (according to URL parameters and user rights)
 523  *
 524  * @param ConfigManager            $conf           Configuration Manager instance.
 525  * @param PluginManager            $pluginManager  Plugin Manager instance,
 526  * @param BookmarkServiceInterface $bookmarkService
 527  * @param History                  $history        instance
 528  * @param SessionManager           $sessionManager SessionManager instance
 529  * @param LoginManager             $loginManager   LoginManager instance
 530  */
 531 function renderPage($conf, $pluginManager, $bookmarkService, $history, $sessionManager, $loginManager)
 532 {
 533     $pageCacheManager = new PageCacheManager($conf->get('resource.page_cache'));
 534     $updater = new Updater(
 535         UpdaterUtils::read_updates_file($conf->get('resource.updates')),
 536         $bookmarkService,
 537         $conf,
 538         $loginManager->isLoggedIn()
 539     );
 540     try {
 541         $newUpdates = $updater->update();
 542         if (! empty($newUpdates)) {
 543             UpdaterUtils::write_updates_file(
 544                 $conf->get('resource.updates'),
 545                 $updater->getDoneUpdates()
 546             );
 547
 548             $pageCacheManager->invalidateCaches();
 549         }
 550     } catch (Exception $e) {
 551         die($e->getMessage());
 552     }
 553
 554     $PAGE = new PageBuilder($conf, $_SESSION, $bookmarkService, $sessionManager->generateToken(), $loginManager->isLoggedIn());
 555     $PAGE->assign('linkcount', $bookmarkService->count(BookmarkFilter::$ALL));
 556     $PAGE->assign('privateLinkcount', $bookmarkService->count(BookmarkFilter::$PRIVATE));
 557     $PAGE->assign('plugin_errors', $pluginManager->getErrors());
 558
 559     // Determine which page will be rendered.
 560     $query = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : '';
 561     $targetPage = Router::findPage($query, $_GET, $loginManager->isLoggedIn());
 562
 563     if (// if the user isn't logged in
 564         !$loginManager->isLoggedIn() &&
 565         // and Shaarli doesn't have public content...
 566         $conf->get('privacy.hide_public_links') &&
 567         // and is configured to enforce the login
 568         $conf->get('privacy.force_login') &&
 569         // and the current page isn't already the login page
 570         $targetPage !== Router::$PAGE_LOGIN &&
 571         // and the user is not requesting a feed (which would lead to a different content-type as expected)
 572         $targetPage !== Router::$PAGE_FEED_ATOM &&
 573         $targetPage !== Router::$PAGE_FEED_RSS
 574     ) {
 575         // force current page to be the login page
 576         $targetPage = Router::$PAGE_LOGIN;
 577     }
 578
 579     // Call plugin hooks for header, footer and includes, specifying which page will be rendered.
 580     // Then assign generated data to RainTPL.
 581     $common_hooks = array(
 582         'includes',
 583         'header',
 584         'footer',
 585     );
 586
 587     foreach ($common_hooks as $name) {
 588         $plugin_data = array();
 589         $pluginManager->executeHooks(
 590             'render_' . $name,
 591             $plugin_data,
 592             array(
 593                 'target' => $targetPage,
 594                 'loggedin' => $loginManager->isLoggedIn()
 595             )
 596         );
 597         $PAGE->assign('plugins_' . $name, $plugin_data);
 598     }
 599
 600     // -------- Display login form.
 601     if ($targetPage == Router::$PAGE_LOGIN) {
 602         header('Location: ./login');
 603         exit;
 604     }
 605     // -------- User wants to logout.
 606     if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=logout')) {
 607         header('Location: ./logout');
 608         exit;
 609     }
 610
 611     // -------- Picture wall
 612     if ($targetPage == Router::$PAGE_PICWALL) {
 613         header('Location: ./picture-wall');
 614         exit;
 615     }
 616
 617     // -------- Tag cloud
 618     if ($targetPage == Router::$PAGE_TAGCLOUD) {
 619         header('Location: ./tag-cloud');
 620         exit;
 621     }
 622
 623     // -------- Tag list
 624     if ($targetPage == Router::$PAGE_TAGLIST) {
 625         $visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '';
 626         $filteringTags = isset($_GET['searchtags']) ? explode(' ', $_GET['searchtags']) : [];
 627         $tags = $bookmarkService->bookmarksCountPerTag($filteringTags, $visibility);
 628
 629         if (! empty($_GET['sort']) && $_GET['sort'] === 'alpha') {
 630             alphabetical_sort($tags, false, true);
 631         }
 632
 633         $searchTags = implode(' ', escape($filteringTags));
 634         $data = [
 635             'search_tags' => $searchTags,
 636             'tags' => $tags,
 637         ];
 638         $pluginManager->executeHooks('render_taglist', $data, ['loggedin' => $loginManager->isLoggedIn()]);
 639
 640         foreach ($data as $key => $value) {
 641             $PAGE->assign($key, $value);
 642         }
 643
 644         $searchTags = ! empty($searchTags) ? $searchTags .' - ' : '';
 645         $PAGE->assign('pagetitle', $searchTags . t('Tag list') .' - '. $conf->get('general.title', 'Shaarli'));
 646         $PAGE->renderPage('tag.list');
 647         exit;
 648     }
 649
 650     // Daily page.
 651     if ($targetPage == Router::$PAGE_DAILY) {
 652         showDaily($PAGE, $bookmarkService, $conf, $pluginManager, $loginManager);
 653     }
 654
 655     // ATOM and RSS feed.
 656     if ($targetPage == Router::$PAGE_FEED_ATOM || $targetPage == Router::$PAGE_FEED_RSS) {
 657         $feedType = $targetPage == Router::$PAGE_FEED_RSS ? FeedBuilder::$FEED_RSS : FeedBuilder::$FEED_ATOM;
 658         header('Content-Type: application/'. $feedType .'+xml; charset=utf-8');
 659
 660         // Cache system
 661         $query = $_SERVER['QUERY_STRING'];
 662         $cache = new CachedPage(
 663             $conf->get('resource.page_cache'),
 664             page_url($_SERVER),
 665             startsWith($query, 'do='. $targetPage) && !$loginManager->isLoggedIn()
 666         );
 667         $cached = $cache->cachedVersion();
 668         if (!empty($cached)) {
 669             echo $cached;
 670             exit;
 671         }
 672
 673         $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
 674         // Generate data.
 675         $feedGenerator = new FeedBuilder(
 676             $bookmarkService,
 677             $factory->getFormatter(),
 678             $feedType,
 679             $_SERVER,
 680             $_GET,
 681             $loginManager->isLoggedIn()
 682         );
 683         $feedGenerator->setLocale(strtolower(setlocale(LC_COLLATE, 0)));
 684         $feedGenerator->setHideDates($conf->get('privacy.hide_timestamps') && !$loginManager->isLoggedIn());
 685         $feedGenerator->setUsePermalinks(isset($_GET['permalinks']) || !$conf->get('feed.rss_permalinks'));
 686         $data = $feedGenerator->buildData();
 687
 688         // Process plugin hook.
 689         $pluginManager->executeHooks('render_feed', $data, array(
 690             'loggedin' => $loginManager->isLoggedIn(),
 691             'target' => $targetPage,
 692         ));
 693
 694         // Render the template.
 695         $PAGE->assignAll($data);
 696         $PAGE->renderPage('feed.'. $feedType);
 697         $cache->cache(ob_get_contents());
 698         ob_end_flush();
 699         exit;
 700     }
 701
 702     // Display opensearch plugin (XML)
 703     if ($targetPage == Router::$PAGE_OPENSEARCH) {
 704         header('Content-Type: application/xml; charset=utf-8');
 705         $PAGE->assign('serverurl', index_url($_SERVER));
 706         $PAGE->renderPage('opensearch');
 707         exit;
 708     }
 709
 710     // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...)
 711     if (isset($_GET['addtag'])) {
 712         // Get previous URL (http_referer) and add the tag to the searchtags parameters in query.
 713         if (empty($_SERVER['HTTP_REFERER'])) {
 714             // In case browser does not send HTTP_REFERER
 715             header('Location: ?searchtags='.urlencode($_GET['addtag']));
 716             exit;
 717         }
 718         parse_str(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_QUERY), $params);
 719
 720         // Prevent redirection loop
 721         if (isset($params['addtag'])) {
 722             unset($params['addtag']);
 723         }
 724
 725         // Check if this tag is already in the search query and ignore it if it is.
 726         // Each tag is always separated by a space
 727         if (isset($params['searchtags'])) {
 728             $current_tags = explode(' ', $params['searchtags']);
 729         } else {
 730             $current_tags = array();
 731         }
 732         $addtag = true;
 733         foreach ($current_tags as $value) {
 734             if ($value === $_GET['addtag']) {
 735                 $addtag = false;
 736                 break;
 737             }
 738         }
 739         // Append the tag if necessary
 740         if (empty($params['searchtags'])) {
 741             $params['searchtags'] = trim($_GET['addtag']);
 742         } elseif ($addtag) {
 743             $params['searchtags'] = trim($params['searchtags']).' '.trim($_GET['addtag']);
 744         }
 745
 746         // We also remove page (keeping the same page has no sense, since the
 747         // results are different)
 748         unset($params['page']);
 749
 750         header('Location: ?'.http_build_query($params));
 751         exit;
 752     }
 753
 754     // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...)
 755     if (isset($_GET['removetag'])) {
 756         // Get previous URL (http_referer) and remove the tag from the searchtags parameters in query.
 757         if (empty($_SERVER['HTTP_REFERER'])) {
 758             header('Location: ?');
 759             exit;
 760         }
 761
 762         // In case browser does not send HTTP_REFERER
 763         parse_str(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_QUERY), $params);
 764
 765         // Prevent redirection loop
 766         if (isset($params['removetag'])) {
 767             unset($params['removetag']);
 768         }
 769
 770         if (isset($params['searchtags'])) {
 771             $tags = explode(' ', $params['searchtags']);
 772             // Remove value from array $tags.
 773             $tags = array_diff($tags, array($_GET['removetag']));
 774             $params['searchtags'] = implode(' ', $tags);
 775
 776             if (empty($params['searchtags'])) {
 777                 unset($params['searchtags']);
 778             }
 779
 780             // We also remove page (keeping the same page has no sense, since
 781             // the results are different)
 782             unset($params['page']);
 783         }
 784         header('Location: ?'.http_build_query($params));
 785         exit;
 786     }
 787
 788     // -------- User wants to change the number of bookmarks per page (linksperpage=...)
 789     if (isset($_GET['linksperpage'])) {
 790         if (is_numeric($_GET['linksperpage'])) {
 791             $_SESSION['LINKS_PER_PAGE']=abs(intval($_GET['linksperpage']));
 792         }
 793
 794         if (! empty($_SERVER['HTTP_REFERER'])) {
 795             $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('linksperpage'));
 796         } else {
 797             $location = '?';
 798         }
 799         header('Location: '. $location);
 800         exit;
 801     }
 802
 803     // -------- User wants to see only private bookmarks (toggle)
 804     if (isset($_GET['visibility'])) {
 805         if ($_GET['visibility'] === 'private') {
 806             // Visibility not set or not already private, set private, otherwise reset it
 807             if (empty($_SESSION['visibility']) || $_SESSION['visibility'] !== 'private') {
 808                 // See only private bookmarks
 809                 $_SESSION['visibility'] = 'private';
 810             } else {
 811                 unset($_SESSION['visibility']);
 812             }
 813         } elseif ($_GET['visibility'] === 'public') {
 814             if (empty($_SESSION['visibility']) || $_SESSION['visibility'] !== 'public') {
 815                 // See only public bookmarks
 816                 $_SESSION['visibility'] = 'public';
 817             } else {
 818                 unset($_SESSION['visibility']);
 819             }
 820         }
 821
 822         if (! empty($_SERVER['HTTP_REFERER'])) {
 823             $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('visibility'));
 824         } else {
 825             $location = '?';
 826         }
 827         header('Location: '. $location);
 828         exit;
 829     }
 830
 831     // -------- User wants to see only untagged bookmarks (toggle)
 832     if (isset($_GET['untaggedonly'])) {
 833         $_SESSION['untaggedonly'] = empty($_SESSION['untaggedonly']);
 834
 835         if (! empty($_SERVER['HTTP_REFERER'])) {
 836             $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('untaggedonly'));
 837         } else {
 838             $location = '?';
 839         }
 840         header('Location: '. $location);
 841         exit;
 842     }
 843
 844     // -------- Handle other actions allowed for non-logged in users:
 845     if (!$loginManager->isLoggedIn()) {
 846         // User tries to post new link but is not logged in:
 847         // Show login screen, then redirect to ?post=...
 848         if (isset($_GET['post'])) {
 849             header( // Redirect to login page, then back to post link.
 850                 'Location: ./login?post='.urlencode($_GET['post']).
 851                 (!empty($_GET['title'])?'&title='.urlencode($_GET['title']):'').
 852                 (!empty($_GET['description'])?'&description='.urlencode($_GET['description']):'').
 853                 (!empty($_GET['tags'])?'&tags='.urlencode($_GET['tags']):'').
 854                 (!empty($_GET['source'])?'&source='.urlencode($_GET['source']):'')
 855             );
 856             exit;
 857         }
 858
 859         showLinkList($PAGE, $bookmarkService, $conf, $pluginManager, $loginManager);
 860         if (isset($_GET['edit_link'])) {
 861             header('Location: ./login?edit_link='. escape($_GET['edit_link']));
 862             exit;
 863         }
 864
 865         exit; // Never remove this one! All operations below are reserved for logged in user.
 866     }
 867
 868     // -------- All other functions are reserved for the registered user:
 869
 870     // -------- Display the Tools menu if requested (import/export/bookmarklet...)
 871     if ($targetPage == Router::$PAGE_TOOLS) {
 872         $data = [
 873             'pageabsaddr' => index_url($_SERVER),
 874             'sslenabled' => is_https($_SERVER),
 875         ];
 876         $pluginManager->executeHooks('render_tools', $data);
 877
 878         foreach ($data as $key => $value) {
 879             $PAGE->assign($key, $value);
 880         }
 881
 882         $PAGE->assign('pagetitle', t('Tools') .' - '. $conf->get('general.title', 'Shaarli'));
 883         $PAGE->renderPage('tools');
 884         exit;
 885     }
 886
 887     // -------- User wants to change his/her password.
 888     if ($targetPage == Router::$PAGE_CHANGEPASSWORD) {
 889         if ($conf->get('security.open_shaarli')) {
 890             die(t('You are not supposed to change a password on an Open Shaarli.'));
 891         }
 892
 893         if (!empty($_POST['setpassword']) && !empty($_POST['oldpassword'])) {
 894             if (!$sessionManager->checkToken($_POST['token'])) {
 895                 die(t('Wrong token.')); // Go away!
 896             }
 897
 898             // Make sure old password is correct.
 899             $oldhash = sha1(
 900                 $_POST['oldpassword'].$conf->get('credentials.login').$conf->get('credentials.salt')
 901             );
 902             if ($oldhash != $conf->get('credentials.hash')) {
 903                 echo '<script>alert("'
 904                     . t('The old password is not correct.')
 905                     .'");document.location=\'./?do=changepasswd\';</script>';
 906                 exit;
 907             }
 908             // Save new password
 909             // Salt renders rainbow-tables attacks useless.
 910             $conf->set('credentials.salt', sha1(uniqid('', true) .'_'. mt_rand()));
 911             $conf->set(
 912                 'credentials.hash',
 913                 sha1(
 914                     $_POST['setpassword']
 915                     . $conf->get('credentials.login')
 916                     . $conf->get('credentials.salt')
 917                 )
 918             );
 919             try {
 920                 $conf->write($loginManager->isLoggedIn());
 921             } catch (Exception $e) {
 922                 error_log(
 923                     'ERROR while writing config file after changing password.' . PHP_EOL .
 924                     $e->getMessage()
 925                 );
 926
 927                 // TODO: do not handle exceptions/errors in JS.
 928                 echo '<script>alert("'. $e->getMessage() .'");document.location=\'./?do=tools\';</script>';
 929                 exit;
 930             }
 931             echo '<script>alert("'. t('Your password has been changed') .'");document.location=\'./?do=tools\';</script>';
 932             exit;
 933         } else {
 934             // show the change password form.
 935             $PAGE->assign('pagetitle', t('Change password') .' - '. $conf->get('general.title', 'Shaarli'));
 936             $PAGE->renderPage('changepassword');
 937             exit;
 938         }
 939     }
 940
 941     // -------- User wants to change configuration
 942     if ($targetPage == Router::$PAGE_CONFIGURE) {
 943         if (!empty($_POST['title'])) {
 944             if (!$sessionManager->checkToken($_POST['token'])) {
 945                 die(t('Wrong token.')); // Go away!
 946             }
 947             $tz = 'UTC';
 948             if (!empty($_POST['continent']) && !empty($_POST['city'])
 949                 && isTimeZoneValid($_POST['continent'], $_POST['city'])
 950             ) {
 951                 $tz = $_POST['continent'] . '/' . $_POST['city'];
 952             }
 953             $conf->set('general.timezone', $tz);
 954             $conf->set('general.title', escape($_POST['title']));
 955             $conf->set('general.header_link', escape($_POST['titleLink']));
 956             $conf->set('general.retrieve_description', !empty($_POST['retrieveDescription']));
 957             $conf->set('resource.theme', escape($_POST['theme']));
 958             $conf->set('security.session_protection_disabled', !empty($_POST['disablesessionprotection']));
 959             $conf->set('privacy.default_private_links', !empty($_POST['privateLinkByDefault']));
 960             $conf->set('feed.rss_permalinks', !empty($_POST['enableRssPermalinks']));
 961             $conf->set('updates.check_updates', !empty($_POST['updateCheck']));
 962             $conf->set('privacy.hide_public_links', !empty($_POST['hidePublicLinks']));
 963             $conf->set('api.enabled', !empty($_POST['enableApi']));
 964             $conf->set('api.secret', escape($_POST['apiSecret']));
 965             $conf->set('formatter', escape($_POST['formatter']));
 966
 967             if (! empty($_POST['language'])) {
 968                 $conf->set('translation.language', escape($_POST['language']));
 969             }
 970
 971             $thumbnailsMode = extension_loaded('gd') ? $_POST['enableThumbnails'] : Thumbnailer::MODE_NONE;
 972             if ($thumbnailsMode !== Thumbnailer::MODE_NONE
 973                 && $thumbnailsMode !== $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE)
 974             ) {
 975                 $_SESSION['warnings'][] = t(
 976                     'You have enabled or changed thumbnails mode. '
 977                     .'<a href="./?do=thumbs_update">Please synchronize them</a>.'
 978                 );
 979             }
 980             $conf->set('thumbnails.mode', $thumbnailsMode);
 981
 982             try {
 983                 $conf->write($loginManager->isLoggedIn());
 984                 $history->updateSettings();
 985                 $pageCacheManager->invalidateCaches();
 986             } catch (Exception $e) {
 987                 error_log(
 988                     'ERROR while writing config file after configuration update.' . PHP_EOL .
 989                     $e->getMessage()
 990                 );
 991
 992                 // TODO: do not handle exceptions/errors in JS.
 993                 echo '<script>alert("'. $e->getMessage() .'");document.location=\'./?do=configure\';</script>';
 994                 exit;
 995             }
 996             echo '<script>alert("'. t('Configuration was saved.') .'");document.location=\'./?do=configure\';</script>';
 997             exit;
 998         } else {
 999             // Show the configuration form.
1000             $PAGE->assign('title', $conf->get('general.title'));
1001             $PAGE->assign('theme', $conf->get('resource.theme'));
1002             $PAGE->assign('theme_available', ThemeUtils::getThemes($conf->get('resource.raintpl_tpl')));
1003             $PAGE->assign('formatter_available', ['default', 'markdown']);
1004             list($continents, $cities) = generateTimeZoneData(
1005                 timezone_identifiers_list(),
1006                 $conf->get('general.timezone')
1007             );
1008             $PAGE->assign('continents', $continents);
1009             $PAGE->assign('cities', $cities);
1010             $PAGE->assign('retrieve_description', $conf->get('general.retrieve_description'));
1011             $PAGE->assign('private_links_default', $conf->get('privacy.default_private_links', false));
1012             $PAGE->assign('session_protection_disabled', $conf->get('security.session_protection_disabled', false));
1013             $PAGE->assign('enable_rss_permalinks', $conf->get('feed.rss_permalinks', false));
1014             $PAGE->assign('enable_update_check', $conf->get('updates.check_updates', true));
1015             $PAGE->assign('hide_public_links', $conf->get('privacy.hide_public_links', false));
1016             $PAGE->assign('api_enabled', $conf->get('api.enabled', true));
1017             $PAGE->assign('api_secret', $conf->get('api.secret'));
1018             $PAGE->assign('languages', Languages::getAvailableLanguages());
1019             $PAGE->assign('gd_enabled', extension_loaded('gd'));
1020             $PAGE->assign('thumbnails_mode', $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE));
1021             $PAGE->assign('pagetitle', t('Configure') .' - '. $conf->get('general.title', 'Shaarli'));
1022             $PAGE->renderPage('configure');
1023             exit;
1024         }
1025     }
1026
1027     // -------- User wants to rename a tag or delete it
1028     if ($targetPage == Router::$PAGE_CHANGETAG) {
1029         if (empty($_POST['fromtag']) || (empty($_POST['totag']) && isset($_POST['renametag']))) {
1030             $PAGE->assign('fromtag', ! empty($_GET['fromtag']) ? escape($_GET['fromtag']) : '');
1031             $PAGE->assign('pagetitle', t('Manage tags') .' - '. $conf->get('general.title', 'Shaarli'));
1032             $PAGE->renderPage('changetag');
1033             exit;
1034         }
1035
1036         if (!$sessionManager->checkToken($_POST['token'])) {
1037             die(t('Wrong token.'));
1038         }
1039
1040         $toTag = isset($_POST['totag']) ? escape($_POST['totag']) : null;
1041         $fromTag = escape($_POST['fromtag']);
1042         $count = 0;
1043         $bookmarks = $bookmarkService->search(['searchtags' => $fromTag], BookmarkFilter::$ALL, true);
1044         foreach ($bookmarks as $bookmark) {
1045             if ($toTag) {
1046                 $bookmark->renameTag($fromTag, $toTag);
1047             } else {
1048                 $bookmark->deleteTag($fromTag);
1049             }
1050             $bookmarkService->set($bookmark, false);
1051             $history->updateLink($bookmark);
1052             $count++;
1053         }
1054         $bookmarkService->save();
1055         $delete = empty($_POST['totag']);
1056         $redirect = $delete ? './do=changetag' : 'searchtags='. urlencode(escape($_POST['totag']));
1057         $alert = $delete
1058             ? sprintf(t('The tag was removed from %d link.', 'The tag was removed from %d bookmarks.', $count), $count)
1059             : sprintf(t('The tag was renamed in %d link.', 'The tag was renamed in %d bookmarks.', $count), $count);
1060         echo '<script>alert("'. $alert .'");document.location=\'?'. $redirect .'\';</script>';
1061         exit;
1062     }
1063
1064     // -------- User wants to add a link without using the bookmarklet: Show form.
1065     if ($targetPage == Router::$PAGE_ADDLINK) {
1066         $PAGE->assign('pagetitle', t('Shaare a new link') .' - '. $conf->get('general.title', 'Shaarli'));
1067         $PAGE->renderPage('addlink');
1068         exit;
1069     }
1070
1071     // -------- User clicked the "Save" button when editing a link: Save link to database.
1072     if (isset($_POST['save_edit'])) {
1073         // Go away!
1074         if (! $sessionManager->checkToken($_POST['token'])) {
1075             die(t('Wrong token.'));
1076         }
1077
1078         // lf_id should only be present if the link exists.
1079         $id = isset($_POST['lf_id']) ? intval(escape($_POST['lf_id'])) : null;
1080         if ($id && $bookmarkService->exists($id)) {
1081             // Edit
1082             $bookmark = $bookmarkService->get($id);
1083         } else {
1084             // New link
1085             $bookmark = new Bookmark();
1086         }
1087
1088         $bookmark->setTitle($_POST['lf_title']);
1089         $bookmark->setDescription($_POST['lf_description']);
1090         $bookmark->setUrl($_POST['lf_url'], $conf->get('security.allowed_protocols'));
1091         $bookmark->setPrivate(isset($_POST['lf_private']));
1092         $bookmark->setTagsString($_POST['lf_tags']);
1093
1094         if ($conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE
1095             && ! $bookmark->isNote()
1096         ) {
1097             $thumbnailer = new Thumbnailer($conf);
1098             $bookmark->setThumbnail($thumbnailer->get($bookmark->getUrl()));
1099         }
1100         $bookmarkService->addOrSet($bookmark, false);
1101
1102         // To preserve backward compatibility with 3rd parties, plugins still use arrays
1103         $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
1104         $formatter = $factory->getFormatter('raw');
1105         $data = $formatter->format($bookmark);
1106         $pluginManager->executeHooks('save_link', $data);
1107
1108         $bookmark->fromArray($data);
1109         $bookmarkService->set($bookmark);
1110
1111         // If we are called from the bookmarklet, we must close the popup:
1112         if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) {
1113             echo '<script>self.close();</script>';
1114             exit;
1115         }
1116
1117         $returnurl = !empty($_POST['returnurl']) ? $_POST['returnurl'] : '?';
1118         $location = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link'));
1119         // Scroll to the link which has been edited.
1120         $location .= '#' . $bookmark->getShortUrl();
1121         // After saving the link, redirect to the page the user was on.
1122         header('Location: '. $location);
1123         exit;
1124     }
1125
1126     // -------- User clicked the "Delete" button when editing a link: Delete link from database.
1127     if ($targetPage == Router::$PAGE_DELETELINK) {
1128         if (! $sessionManager->checkToken($_GET['token'])) {
1129             die(t('Wrong token.'));
1130         }
1131
1132         $ids = trim($_GET['lf_linkdate']);
1133         if (strpos($ids, ' ') !== false) {
1134             // multiple, space-separated ids provided
1135             $ids = array_values(array_filter(
1136                 preg_split('/\s+/', escape($ids)),
1137                 function ($item) {
1138                     return $item !== '';
1139                 }
1140             ));
1141         } else {
1142             // only a single id provided
1143             $shortUrl = $bookmarkService->get($ids)->getShortUrl();
1144             $ids = [$ids];
1145         }
1146         // assert at least one id is given
1147         if (!count($ids)) {
1148             die('no id provided');
1149         }
1150         $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
1151         $formatter = $factory->getFormatter('raw');
1152         foreach ($ids as $id) {
1153             $id = (int) escape($id);
1154             $bookmark = $bookmarkService->get($id);
1155             $data = $formatter->format($bookmark);
1156             $pluginManager->executeHooks('delete_link', $data);
1157             $bookmarkService->remove($bookmark, false);
1158         }
1159         $bookmarkService->save();
1160
1161         // If we are called from the bookmarklet, we must close the popup:
1162         if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) {
1163             echo '<script>self.close();</script>';
1164             exit;
1165         }
1166
1167         $location = '?';
1168         if (isset($_SERVER['HTTP_REFERER'])) {
1169             // Don't redirect to where we were previously if it was a permalink or an edit_link, because it would 404.
1170             $location = generateLocation(
1171                 $_SERVER['HTTP_REFERER'],
1172                 $_SERVER['HTTP_HOST'],
1173                 ['delete_link', 'edit_link', ! empty($shortUrl) ? $shortUrl : null]
1174             );
1175         }
1176
1177         header('Location: ' . $location); // After deleting the link, redirect to appropriate location
1178         exit;
1179     }
1180
1181     // -------- User clicked either "Set public" or "Set private" bulk operation
1182     if ($targetPage == Router::$PAGE_CHANGE_VISIBILITY) {
1183         if (! $sessionManager->checkToken($_GET['token'])) {
1184             die(t('Wrong token.'));
1185         }
1186
1187         $ids = trim($_GET['ids']);
1188         if (strpos($ids, ' ') !== false) {
1189             // multiple, space-separated ids provided
1190             $ids = array_values(array_filter(preg_split('/\s+/', escape($ids))));
1191         } else {
1192             // only a single id provided
1193             $ids = [$ids];
1194         }
1195
1196         // assert at least one id is given
1197         if (!count($ids)) {
1198             die('no id provided');
1199         }
1200         // assert that the visibility is valid
1201         if (!isset($_GET['newVisibility']) || !in_array($_GET['newVisibility'], ['public', 'private'])) {
1202             die('invalid visibility');
1203         } else {
1204             $private = $_GET['newVisibility'] === 'private';
1205         }
1206         $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
1207         $formatter = $factory->getFormatter('raw');
1208         foreach ($ids as $id) {
1209             $id = (int) escape($id);
1210             $bookmark = $bookmarkService->get($id);
1211             $bookmark->setPrivate($private);
1212
1213             // To preserve backward compatibility with 3rd parties, plugins still use arrays
1214             $data = $formatter->format($bookmark);
1215             $pluginManager->executeHooks('save_link', $data);
1216             $bookmark->fromArray($data);
1217
1218             $bookmarkService->set($bookmark);
1219         }
1220         $bookmarkService->save();
1221
1222         $location = '?';
1223         if (isset($_SERVER['HTTP_REFERER'])) {
1224             $location = generateLocation(
1225                 $_SERVER['HTTP_REFERER'],
1226                 $_SERVER['HTTP_HOST']
1227             );
1228         }
1229         header('Location: ' . $location); // After deleting the link, redirect to appropriate location
1230         exit;
1231     }
1232
1233     // -------- User clicked the "EDIT" button on a link: Display link edit form.
1234     if (isset($_GET['edit_link'])) {
1235         $id = (int) escape($_GET['edit_link']);
1236         try {
1237             $link = $bookmarkService->get($id);  // Read database
1238         } catch (BookmarkNotFoundException $e) {
1239             // Link not found in database.
1240             header('Location: ?');
1241             exit;
1242         }
1243
1244         $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
1245         $formatter = $factory->getFormatter('raw');
1246         $formattedLink = $formatter->format($link);
1247         $tags = $bookmarkService->bookmarksCountPerTag();
1248         if ($conf->get('formatter') === 'markdown') {
1249             $tags[BookmarkMarkdownFormatter::NO_MD_TAG] = 1;
1250         }
1251         $data = array(
1252             'link' => $formattedLink,
1253             'link_is_new' => false,
1254             'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
1255             'tags' => $tags,
1256         );
1257         $pluginManager->executeHooks('render_editlink', $data);
1258
1259         foreach ($data as $key => $value) {
1260             $PAGE->assign($key, $value);
1261         }
1262
1263         $PAGE->assign('pagetitle', t('Edit') .' '. t('Shaare') .' - '. $conf->get('general.title', 'Shaarli'));
1264         $PAGE->renderPage('editlink');
1265         exit;
1266     }
1267
1268     // -------- User want to post a new link: Display link edit form.
1269     if (isset($_GET['post'])) {
1270         $url = cleanup_url($_GET['post']);
1271
1272         $link_is_new = false;
1273         // Check if URL is not already in database (in this case, we will edit the existing link)
1274         $bookmark = $bookmarkService->findByUrl($url);
1275         if (! $bookmark) {
1276             $link_is_new = true;
1277             // Get title if it was provided in URL (by the bookmarklet).
1278             $title = empty($_GET['title']) ? '' : escape($_GET['title']);
1279             // Get description if it was provided in URL (by the bookmarklet). [Bronco added that]
1280             $description = empty($_GET['description']) ? '' : escape($_GET['description']);
1281             $tags = empty($_GET['tags']) ? '' : escape($_GET['tags']);
1282             $private = !empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0;
1283
1284             // If this is an HTTP(S) link, we try go get the page to extract
1285             // the title (otherwise we will to straight to the edit form.)
1286             if (empty($title) && strpos(get_url_scheme($url), 'http') !== false) {
1287                 $retrieveDescription = $conf->get('general.retrieve_description');
1288                 // Short timeout to keep the application responsive
1289                 // The callback will fill $charset and $title with data from the downloaded page.
1290                 get_http_response(
1291                     $url,
1292                     $conf->get('general.download_timeout', 30),
1293                     $conf->get('general.download_max_size', 4194304),
1294                     get_curl_download_callback($charset, $title, $description, $tags, $retrieveDescription)
1295                 );
1296                 if (! empty($title) && strtolower($charset) != 'utf-8') {
1297                     $title = mb_convert_encoding($title, 'utf-8', $charset);
1298                 }
1299             }
1300
1301             if ($url == '') {
1302                 $title = $conf->get('general.default_note_title', t('Note: '));
1303             }
1304             $url = escape($url);
1305             $title = escape($title);
1306
1307             $link = [
1308                 'title' => $title,
1309                 'url' => $url,
1310                 'description' => $description,
1311                 'tags' => $tags,
1312                 'private' => $private,
1313             ];
1314         } else {
1315             $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
1316             $formatter = $factory->getFormatter('raw');
1317             $link = $formatter->format($bookmark);
1318         }
1319
1320         $tags = $bookmarkService->bookmarksCountPerTag();
1321         if ($conf->get('formatter') === 'markdown') {
1322             $tags[BookmarkMarkdownFormatter::NO_MD_TAG] = 1;
1323         }
1324         $data = [
1325             'link' => $link,
1326             'link_is_new' => $link_is_new,
1327             'http_referer' => (isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : ''),
1328             'source' => (isset($_GET['source']) ? $_GET['source'] : ''),
1329             'tags' => $tags,
1330             'default_private_links' => $conf->get('privacy.default_private_links', false),
1331         ];
1332         $pluginManager->executeHooks('render_editlink', $data);
1333
1334         foreach ($data as $key => $value) {
1335             $PAGE->assign($key, $value);
1336         }
1337
1338         $PAGE->assign('pagetitle', t('Shaare') .' - '. $conf->get('general.title', 'Shaarli'));
1339         $PAGE->renderPage('editlink');
1340         exit;
1341     }
1342
1343     if ($targetPage == Router::$PAGE_PINLINK) {
1344         if (! isset($_GET['id']) || !$bookmarkService->exists($_GET['id'])) {
1345             // FIXME! Use a proper error system.
1346             $msg = t('Invalid link ID provided');
1347             echo '<script>alert("'. $msg .'");document.location=\''. index_url($_SERVER) .'\';</script>';
1348             exit;
1349         }
1350         if (! $sessionManager->checkToken($_GET['token'])) {
1351             die('Wrong token.');
1352         }
1353
1354         $link = $bookmarkService->get($_GET['id']);
1355         $link->setSticky(! $link->isSticky());
1356         $bookmarkService->set($link);
1357         header('Location: '.index_url($_SERVER));
1358         exit;
1359     }
1360
1361     if ($targetPage == Router::$PAGE_EXPORT) {
1362         // Export bookmarks as a Netscape Bookmarks file
1363
1364         if (empty($_GET['selection'])) {
1365             $PAGE->assign('pagetitle', t('Export') .' - '. $conf->get('general.title', 'Shaarli'));
1366             $PAGE->renderPage('export');
1367             exit;
1368         }
1369
1370         // export as bookmarks_(all|private|public)_YYYYmmdd_HHMMSS.html
1371         $selection = $_GET['selection'];
1372         if (isset($_GET['prepend_note_url'])) {
1373             $prependNoteUrl = $_GET['prepend_note_url'];
1374         } else {
1375             $prependNoteUrl = false;
1376         }
1377
1378         try {
1379             $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
1380             $formatter = $factory->getFormatter('raw');
1381             $PAGE->assign(
1382                 'links',
1383                 NetscapeBookmarkUtils::filterAndFormat(
1384                     $bookmarkService,
1385                     $formatter,
1386                     $selection,
1387                     $prependNoteUrl,
1388                     index_url($_SERVER)
1389                 )
1390             );
1391         } catch (Exception $exc) {
1392             header('Content-Type: text/plain; charset=utf-8');
1393             echo $exc->getMessage();
1394             exit;
1395         }
1396         $now = new DateTime();
1397         header('Content-Type: text/html; charset=utf-8');
1398         header(
1399             'Content-disposition: attachment; filename=bookmarks_'
1400             .$selection.'_'.$now->format(Bookmark::LINK_DATE_FORMAT).'.html'
1401         );
1402         $PAGE->assign('date', $now->format(DateTime::RFC822));
1403         $PAGE->assign('eol', PHP_EOL);
1404         $PAGE->assign('selection', $selection);
1405         $PAGE->renderPage('export.bookmarks');
1406         exit;
1407     }
1408
1409     if ($targetPage == Router::$PAGE_IMPORT) {
1410         // Upload a Netscape bookmark dump to import its contents
1411
1412         if (! isset($_POST['token']) || ! isset($_FILES['filetoupload'])) {
1413             // Show import dialog
1414             $PAGE->assign(
1415                 'maxfilesize',
1416                 get_max_upload_size(
1417                     ini_get('post_max_size'),
1418                     ini_get('upload_max_filesize'),
1419                     false
1420                 )
1421             );
1422             $PAGE->assign(
1423                 'maxfilesizeHuman',
1424                 get_max_upload_size(
1425                     ini_get('post_max_size'),
1426                     ini_get('upload_max_filesize'),
1427                     true
1428                 )
1429             );
1430             $PAGE->assign('pagetitle', t('Import') .' - '. $conf->get('general.title', 'Shaarli'));
1431             $PAGE->renderPage('import');
1432             exit;
1433         }
1434
1435         // Import bookmarks from an uploaded file
1436         if (isset($_FILES['filetoupload']['size']) && $_FILES['filetoupload']['size'] == 0) {
1437             // The file is too big or some form field may be missing.
1438             $msg = sprintf(
1439                 t(
1440                     'The file you are trying to upload is probably bigger than what this webserver can accept'
1441                     .' (%s). Please upload in smaller chunks.'
1442                 ),
1443                 get_max_upload_size(ini_get('post_max_size'), ini_get('upload_max_filesize'))
1444             );
1445             echo '<script>alert("'. $msg .'");document.location=\'./?do='.Router::$PAGE_IMPORT .'\';</script>';
1446             exit;
1447         }
1448         if (! $sessionManager->checkToken($_POST['token'])) {
1449             die('Wrong token.');
1450         }
1451         $status = NetscapeBookmarkUtils::import(
1452             $_POST,
1453             $_FILES,
1454             $bookmarkService,
1455             $conf,
1456             $history
1457         );
1458         echo '<script>alert("'.$status.'");document.location=\'./?do='
1459              .Router::$PAGE_IMPORT .'\';</script>';
1460         exit;
1461     }
1462
1463     // Plugin administration page
1464     if ($targetPage == Router::$PAGE_PLUGINSADMIN) {
1465         $pluginMeta = $pluginManager->getPluginsMeta();
1466
1467         // Split plugins into 2 arrays: ordered enabled plugins and disabled.
1468         $enabledPlugins = array_filter($pluginMeta, function ($v) {
1469             return $v['order'] !== false;
1470         });
1471         // Load parameters.
1472         $enabledPlugins = load_plugin_parameter_values($enabledPlugins, $conf->get('plugins', array()));
1473         uasort(
1474             $enabledPlugins,
1475             function ($a, $b) {
1476                 return $a['order'] - $b['order'];
1477             }
1478         );
1479         $disabledPlugins = array_filter($pluginMeta, function ($v) {
1480             return $v['order'] === false;
1481         });
1482
1483         $PAGE->assign('enabledPlugins', $enabledPlugins);
1484         $PAGE->assign('disabledPlugins', $disabledPlugins);
1485         $PAGE->assign('pagetitle', t('Plugin administration') .' - '. $conf->get('general.title', 'Shaarli'));
1486         $PAGE->renderPage('pluginsadmin');
1487         exit;
1488     }
1489
1490     // Plugin administration form action
1491     if ($targetPage == Router::$PAGE_SAVE_PLUGINSADMIN) {
1492         try {
1493             if (isset($_POST['parameters_form'])) {
1494                 $pluginManager->executeHooks('save_plugin_parameters', $_POST);
1495                 unset($_POST['parameters_form']);
1496                 foreach ($_POST as $param => $value) {
1497                     $conf->set('plugins.'. $param, escape($value));
1498                 }
1499             } else {
1500                 $conf->set('general.enabled_plugins', save_plugin_config($_POST));
1501             }
1502             $conf->write($loginManager->isLoggedIn());
1503             $history->updateSettings();
1504         } catch (Exception $e) {
1505             error_log(
1506                 'ERROR while saving plugin configuration:.' . PHP_EOL .
1507                 $e->getMessage()
1508             );
1509
1510             // TODO: do not handle exceptions/errors in JS.
1511             echo '<script>alert("'
1512                 . $e->getMessage()
1513                 .'");document.location=\'./?do='
1514                 . Router::$PAGE_PLUGINSADMIN
1515                 .'\';</script>';
1516             exit;
1517         }
1518         header('Location: ./?do='. Router::$PAGE_PLUGINSADMIN);
1519         exit;
1520     }
1521
1522     // Get a fresh token
1523     if ($targetPage == Router::$GET_TOKEN) {
1524         header('Content-Type:text/plain');
1525         echo $sessionManager->generateToken();
1526         exit;
1527     }
1528
1529     // -------- Thumbnails Update
1530     if ($targetPage == Router::$PAGE_THUMBS_UPDATE) {
1531         $ids = [];
1532         foreach ($bookmarkService->search() as $bookmark) {
1533             // A note or not HTTP(S)
1534             if ($bookmark->isNote() || ! startsWith(strtolower($bookmark->getUrl()), 'http')) {
1535                 continue;
1536             }
1537             $ids[] = $bookmark->getId();
1538         }
1539         $PAGE->assign('ids', $ids);
1540         $PAGE->assign('pagetitle', t('Thumbnails update') .' - '. $conf->get('general.title', 'Shaarli'));
1541         $PAGE->renderPage('thumbnails');
1542         exit;
1543     }
1544
1545     // -------- Single Thumbnail Update
1546     if ($targetPage == Router::$AJAX_THUMB_UPDATE) {
1547         if (! isset($_POST['id']) || ! ctype_digit($_POST['id'])) {
1548             http_response_code(400);
1549             exit;
1550         }
1551         $id = (int) $_POST['id'];
1552         if (! $bookmarkService->exists($id)) {
1553             http_response_code(404);
1554             exit;
1555         }
1556         $thumbnailer = new Thumbnailer($conf);
1557         $bookmark = $bookmarkService->get($id);
1558         $bookmark->setThumbnail($thumbnailer->get($bookmark->getUrl()));
1559         $bookmarkService->set($bookmark);
1560
1561         $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
1562         echo json_encode($factory->getFormatter('raw')->format($bookmark));
1563         exit;
1564     }
1565
1566     // -------- Otherwise, simply display search form and bookmarks:
1567     showLinkList($PAGE, $bookmarkService, $conf, $pluginManager, $loginManager);
1568     exit;
1569 }
1570
1571 /**
1572  * Template for the list of bookmarks (<div id="linklist">)
1573  * This function fills all the necessary fields in the $PAGE for the template 'linklist.html'
1574  *
1575  * @param pageBuilder              $PAGE          pageBuilder instance.
1576  * @param BookmarkServiceInterface $linkDb        LinkDB instance.
1577  * @param ConfigManager            $conf          Configuration Manager instance.
1578  * @param PluginManager            $pluginManager Plugin Manager instance.
1579  * @param LoginManager             $loginManager  LoginManager instance
1580  */
1581 function buildLinkList($PAGE, $linkDb, $conf, $pluginManager, $loginManager)
1582 {
1583     $factory = new FormatterFactory($conf, $loginManager->isLoggedIn());
1584     $formatter = $factory->getFormatter();
1585
1586     // Used in templates
1587     if (isset($_GET['searchtags'])) {
1588         if (! empty($_GET['searchtags'])) {
1589             $searchtags = escape(normalize_spaces($_GET['searchtags']));
1590         } else {
1591             $searchtags = false;
1592         }
1593     } else {
1594         $searchtags = '';
1595     }
1596     $searchterm = !empty($_GET['searchterm']) ? escape(normalize_spaces($_GET['searchterm'])) : '';
1597
1598     // Smallhash filter
1599     if (! empty($_SERVER['QUERY_STRING'])
1600         && preg_match('/^[a-zA-Z0-9-_@]{6}($|&|#)/', $_SERVER['QUERY_STRING'])) {
1601         try {
1602             $linksToDisplay = $linkDb->findByHash($_SERVER['QUERY_STRING']);
1603         } catch (BookmarkNotFoundException $e) {
1604             $PAGE->render404($e->getMessage());
1605             exit;
1606         }
1607     } else {
1608         // Filter bookmarks according search parameters.
1609         $visibility = ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : null;
1610         $request = [
1611             'searchtags' => $searchtags,
1612             'searchterm' => $searchterm,
1613         ];
1614         $linksToDisplay = $linkDb->search($request, $visibility, false, !empty($_SESSION['untaggedonly']));
1615     }
1616
1617     // ---- Handle paging.
1618     $keys = array();
1619     foreach ($linksToDisplay as $key => $value) {
1620         $keys[] = $key;
1621     }
1622
1623     // Select articles according to paging.
1624     $pagecount = ceil(count($keys) / $_SESSION['LINKS_PER_PAGE']);
1625     $pagecount = $pagecount == 0 ? 1 : $pagecount;
1626     $page= empty($_GET['page']) ? 1 : intval($_GET['page']);
1627     $page = $page < 1 ? 1 : $page;
1628     $page = $page > $pagecount ? $pagecount : $page;
1629     // Start index.
1630     $i = ($page-1) * $_SESSION['LINKS_PER_PAGE'];
1631     $end = $i + $_SESSION['LINKS_PER_PAGE'];
1632
1633     $thumbnailsEnabled = $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE;
1634     if ($thumbnailsEnabled) {
1635         $thumbnailer = new Thumbnailer($conf);
1636     }
1637
1638     $linkDisp = array();
1639     while ($i<$end && $i<count($keys)) {
1640         $link = $formatter->format($linksToDisplay[$keys[$i]]);
1641
1642         // Logged in, thumbnails enabled, not a note,
1643         // and (never retrieved yet or no valid cache file)
1644         if ($loginManager->isLoggedIn()
1645             && $thumbnailsEnabled
1646             && !$linksToDisplay[$keys[$i]]->isNote()
1647             && $linksToDisplay[$keys[$i]]->getThumbnail() !== false
1648             && ! is_file($linksToDisplay[$keys[$i]]->getThumbnail())
1649         ) {
1650             $linksToDisplay[$keys[$i]]->setThumbnail($thumbnailer->get($link['url']));
1651             $linkDb->set($linksToDisplay[$keys[$i]], false);
1652             $updateDB = true;
1653             $link['thumbnail'] = $linksToDisplay[$keys[$i]]->getThumbnail();
1654         }
1655
1656         // Check for both signs of a note: starting with ? and 7 chars long.
1657 //        if ($link['url'][0] === '?' && strlen($link['url']) === 7) {
1658 //            $link['url'] = index_url($_SERVER) . $link['url'];
1659 //        }
1660
1661         $linkDisp[$keys[$i]] = $link;
1662         $i++;
1663     }
1664
1665     // If we retrieved new thumbnails, we update the database.
1666     if (!empty($updateDB)) {
1667         $linkDb->save();
1668     }
1669
1670     // Compute paging navigation
1671     $searchtagsUrl = $searchtags === '' ? '' : '&searchtags=' . urlencode($searchtags);
1672     $searchtermUrl = empty($searchterm) ? '' : '&searchterm=' . urlencode($searchterm);
1673     $previous_page_url = '';
1674     if ($i != count($keys)) {
1675         $previous_page_url = '?page=' . ($page+1) . $searchtermUrl . $searchtagsUrl;
1676     }
1677     $next_page_url='';
1678     if ($page>1) {
1679         $next_page_url = '?page=' . ($page-1) . $searchtermUrl . $searchtagsUrl;
1680     }
1681
1682     // Fill all template fields.
1683     $data = array(
1684         'previous_page_url' => $previous_page_url,
1685         'next_page_url' => $next_page_url,
1686         'page_current' => $page,
1687         'page_max' => $pagecount,
1688         'result_count' => count($linksToDisplay),
1689         'search_term' => $searchterm,
1690         'search_tags' => $searchtags,
1691         'visibility' => ! empty($_SESSION['visibility']) ? $_SESSION['visibility'] : '',
1692         'links' => $linkDisp,
1693     );
1694
1695     // If there is only a single link, we change on-the-fly the title of the page.
1696     if (count($linksToDisplay) == 1) {
1697         $data['pagetitle'] = $linksToDisplay[$keys[0]]->getTitle() .' - '. $conf->get('general.title');
1698     } elseif (! empty($searchterm) || ! empty($searchtags)) {
1699         $data['pagetitle'] = t('Search: ');
1700         $data['pagetitle'] .= ! empty($searchterm) ? $searchterm .' ' : '';
1701         $bracketWrap = function ($tag) {
1702             return '['. $tag .']';
1703         };
1704         $data['pagetitle'] .= ! empty($searchtags)
1705             ? implode(' ', array_map($bracketWrap, preg_split('/\s+/', $searchtags))).' '
1706             : '';
1707         $data['pagetitle'] .= '- '. $conf->get('general.title');
1708     }
1709
1710     $pluginManager->executeHooks('render_linklist', $data, array('loggedin' => $loginManager->isLoggedIn()));
1711
1712     foreach ($data as $key => $value) {
1713         $PAGE->assign($key, $value);
1714     }
1715
1716     return;
1717 }
1718
1719 /**
1720  * Installation
1721  * This function should NEVER be called if the file data/config.php exists.
1722  *
1723  * @param ConfigManager  $conf           Configuration Manager instance.
1724  * @param SessionManager $sessionManager SessionManager instance
1725  * @param LoginManager   $loginManager   LoginManager instance
1726  */
1727 function install($conf, $sessionManager, $loginManager)
1728 {
1729     // On free.fr host, make sure the /sessions directory exists, otherwise login will not work.
1730     if (endsWith($_SERVER['HTTP_HOST'], '.free.fr') && !is_dir($_SERVER['DOCUMENT_ROOT'].'/sessions')) {
1731         mkdir($_SERVER['DOCUMENT_ROOT'].'/sessions', 0705);
1732     }
1733
1734
1735     // This part makes sure sessions works correctly.
1736     // (Because on some hosts, session.save_path may not be set correctly,
1737     // or we may not have write access to it.)
1738     if (isset($_GET['test_session'])
1739         && ( !isset($_SESSION) || !isset($_SESSION['session_tested']) || $_SESSION['session_tested']!='Working')) {
1740         // Step 2: Check if data in session is correct.
1741         $msg = t(
1742             '<pre>Sessions do not seem to work correctly on your server.<br>'.
1743             'Make sure the variable "session.save_path" is set correctly in your PHP config, '.
1744             'and that you have write access to it.<br>'.
1745             'It currently points to %s.<br>'.
1746             'On some browsers, accessing your server via a hostname like \'localhost\' '.
1747             'or any custom hostname without a dot causes cookie storage to fail. '.
1748             'We recommend accessing your server via it\'s IP address or Fully Qualified Domain Name.<br>'
1749         );
1750         $msg = sprintf($msg, session_save_path());
1751         echo $msg;
1752         echo '<br><a href="?">'. t('Click to try again.') .'</a></pre>';
1753         die;
1754     }
1755     if (!isset($_SESSION['session_tested'])) {
1756         // Step 1 : Try to store data in session and reload page.
1757         $_SESSION['session_tested'] = 'Working';  // Try to set a variable in session.
1758         header('Location: '.index_url($_SERVER).'?test_session');  // Redirect to check stored data.
1759     }
1760     if (isset($_GET['test_session'])) {
1761         // Step 3: Sessions are OK. Remove test parameter from URL.
1762         header('Location: '.index_url($_SERVER));
1763     }
1764
1765
1766     if (!empty($_POST['setlogin']) && !empty($_POST['setpassword'])) {
1767         $tz = 'UTC';
1768         if (!empty($_POST['continent']) && !empty($_POST['city'])
1769             && isTimeZoneValid($_POST['continent'], $_POST['city'])
1770         ) {
1771             $tz = $_POST['continent'].'/'.$_POST['city'];
1772         }
1773         $conf->set('general.timezone', $tz);
1774         $login = $_POST['setlogin'];
1775         $conf->set('credentials.login', $login);
1776         $salt = sha1(uniqid('', true) .'_'. mt_rand());
1777         $conf->set('credentials.salt', $salt);
1778         $conf->set('credentials.hash', sha1($_POST['setpassword'] . $login . $salt));
1779         if (!empty($_POST['title'])) {
1780             $conf->set('general.title', escape($_POST['title']));
1781         } else {
1782             $conf->set('general.title', 'Shared bookmarks on '.escape(index_url($_SERVER)));
1783         }
1784         $conf->set('translation.language', escape($_POST['language']));
1785         $conf->set('updates.check_updates', !empty($_POST['updateCheck']));
1786         $conf->set('api.enabled', !empty($_POST['enableApi']));
1787         $conf->set(
1788             'api.secret',
1789             generate_api_secret(
1790                 $conf->get('credentials.login'),
1791                 $conf->get('credentials.salt')
1792             )
1793         );
1794         try {
1795             // Everything is ok, let's create config file.
1796             $conf->write($loginManager->isLoggedIn());
1797         } catch (Exception $e) {
1798             error_log(
1799                 'ERROR while writing config file after installation.' . PHP_EOL .
1800                     $e->getMessage()
1801             );
1802
1803             // TODO: do not handle exceptions/errors in JS.
1804             echo '<script>alert("'. $e->getMessage() .'");document.location=\'?\';</script>';
1805             exit;
1806         }
1807
1808         $history = new History($conf->get('resource.history'));
1809         $bookmarkService = new BookmarkFileService($conf, $history, true);
1810         if ($bookmarkService->count() === 0) {
1811             $bookmarkService->initialize();
1812         }
1813
1814         echo '<script>alert('
1815             .'"Shaarli is now configured. '
1816             .'Please enter your login/password and start shaaring your bookmarks!"'
1817             .');document.location=\'./login\';</script>';
1818         exit;
1819     }
1820
1821     $PAGE = new PageBuilder($conf, $_SESSION, null, $sessionManager->generateToken());
1822     list($continents, $cities) = generateTimeZoneData(timezone_identifiers_list(), date_default_timezone_get());
1823     $PAGE->assign('continents', $continents);
1824     $PAGE->assign('cities', $cities);
1825     $PAGE->assign('languages', Languages::getAvailableLanguages());
1826     $PAGE->renderPage('install');
1827     exit;
1828 }
1829
1830 if (!isset($_SESSION['LINKS_PER_PAGE'])) {
1831     $_SESSION['LINKS_PER_PAGE'] = $conf->get('general.links_per_page', 20);
1832 }
1833
1834 try {
1835     $history = new History($conf->get('resource.history'));
1836 } catch (Exception $e) {
1837     die($e->getMessage());
1838 }
1839
1840 $linkDb = new BookmarkFileService($conf, $history, $loginManager->isLoggedIn());
1841
1842 if (isset($_SERVER['QUERY_STRING']) && startsWith($_SERVER['QUERY_STRING'], 'do=dailyrss')) {
1843     showDailyRSS($linkDb, $conf, $loginManager);
1844     exit;
1845 }
1846
1847 $containerBuilder = new ContainerBuilder($conf, $sessionManager, $loginManager, WEB_PATH);
1848 $container = $containerBuilder->build();
1849 $app = new App($container);
1850
1851 // REST API routes
1852 $app->group('/api/v1', function () {
1853     $this->get('/info', '\Shaarli\Api\Controllers\Info:getInfo')->setName('getInfo');
1854     $this->get('/links', '\Shaarli\Api\Controllers\Links:getLinks')->setName('getLinks');
1855     $this->get('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:getLink')->setName('getLink');
1856     $this->post('/links', '\Shaarli\Api\Controllers\Links:postLink')->setName('postLink');
1857     $this->put('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:putLink')->setName('putLink');
1858     $this->delete('/links/{id:[\d]+}', '\Shaarli\Api\Controllers\Links:deleteLink')->setName('deleteLink');
1859
1860     $this->get('/tags', '\Shaarli\Api\Controllers\Tags:getTags')->setName('getTags');
1861     $this->get('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:getTag')->setName('getTag');
1862     $this->put('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:putTag')->setName('putTag');
1863     $this->delete('/tags/{tagName:[\w]+}', '\Shaarli\Api\Controllers\Tags:deleteTag')->setName('deleteTag');
1864
1865     $this->get('/history', '\Shaarli\Api\Controllers\HistoryController:getHistory')->setName('getHistory');
1866 })->add('\Shaarli\Api\ApiMiddleware');
1867
1868 $app->group('', function () {
1869     $this->get('/login', '\Shaarli\Front\Controller\LoginController:index')->setName('login');
1870     $this->get('/logout', '\Shaarli\Front\Controller\LogoutController:index')->setName('logout');
1871     $this->get('/picture-wall', '\Shaarli\Front\Controller\PictureWallController:index')->setName('picwall');
1872     $this->get('/tag-cloud', '\Shaarli\Front\Controller\TagCloudController:index')->setName('tagcloud');
1873     $this->get('/add-tag/{newTag}', '\Shaarli\Front\Controller\TagController:addTag')->setName('add-tag');
1874 })->add('\Shaarli\Front\ShaarliMiddleware');
1875
1876 $response = $app->run(true);
1877
1878 // Hack to make Slim and Shaarli router work together:
1879 // If a Slim route isn't found and NOT API call, we call renderPage().
1880 if ($response->getStatusCode() == 404 && strpos($_SERVER['REQUEST_URI'], '/api/v1') === false) {
1881     // We use UTF-8 for proper international characters handling.
1882     header('Content-Type: text/html; charset=utf-8');
1883     renderPage($conf, $pluginManager, $linkDb, $history, $sessionManager, $loginManager);
1884 } else {
1885     $response = $response
1886         ->withHeader('Access-Control-Allow-Origin', '*')
1887         ->withHeader(
1888             'Access-Control-Allow-Headers',
1889             'X-Requested-With, Content-Type, Accept, Origin, Authorization'
1890         )
1891         ->withHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
1892     $app->respond($response);
1893 }