src/App.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica;
  23
  24 use Exception;
  25 use Friendica\App\Arguments;
  26 use Friendica\App\BaseURL;
  27 use Friendica\App\Module;
  28 use Friendica\Module\Maintenance;
  29 use Friendica\Security\Authentication;
  30 use Friendica\Core\Config\Cache;
  31 use Friendica\Core\Config\IConfig;
  32 use Friendica\Core\PConfig\IPConfig;
  33 use Friendica\Core\L10n;
  34 use Friendica\Core\System;
  35 use Friendica\Core\Theme;
  36 use Friendica\Database\Database;
  37 use Friendica\Model\Contact;
  38 use Friendica\Model\Profile;
  39 use Friendica\Model\User;
  40 use Friendica\Module\Special\HTTPException as ModuleHTTPException;
  41 use Friendica\Network\HTTPException;
  42 use Friendica\Util\ConfigFileLoader;
  43 use Friendica\Util\HTTPSignature;
  44 use Friendica\Util\Profiler;
  45 use Friendica\Util\Strings;
  46 use Psr\Log\LoggerInterface;
  47
  48 /**
  49  * Our main application structure for the life of this page.
  50  *
  51  * Primarily deals with the URL that got us here
  52  * and tries to make some sense of it, and
  53  * stores our page contents and config storage
  54  * and anything else that might need to be passed around
  55  * before we spit the page out.
  56  *
  57  */
  58 class App
  59 {
  60         public $user;
  61
  62         // Allow themes to control internal parameters
  63         // by changing App values in theme.php
  64         private $theme_info = [
  65                 'videowidth'        => 425,
  66                 'videoheight'       => 350,
  67                 'events_in_profile' => true
  68         ];
  69
  70         private $user_id       = 0;
  71         private $nickname      = '';
  72         private $timezone      = '';
  73         private $profile_owner = 0;
  74         private $contact_id    = 0;
  75         private $queue         = [];
  76
  77         /**
  78          * @var App\Mode The Mode of the Application
  79          */
  80         private $mode;
  81
  82         /**
  83          * @var BaseURL
  84          */
  85         private $baseURL;
  86
  87         /** @var string The name of the current theme */
  88         private $currentTheme;
  89         /** @var string The name of the current mobile theme */
  90         private $currentMobileTheme;
  91
  92         /**
  93          * @var IConfig The config
  94          */
  95         private $config;
  96
  97         /**
  98          * @var LoggerInterface The logger
  99          */
 100         private $logger;
 101
 102         /**
 103          * @var Profiler The profiler of this app
 104          */
 105         private $profiler;
 106
 107         /**
 108          * @var Database The Friendica database connection
 109          */
 110         private $database;
 111
 112         /**
 113          * @var L10n The translator
 114          */
 115         private $l10n;
 116
 117         /**
 118          * @var App\Arguments
 119          */
 120         private $args;
 121
 122         /**
 123          * @var Core\Process The process methods
 124          */
 125         private $process;
 126
 127         /**
 128          * @var IPConfig
 129          */
 130         private $pConfig;
 131
 132         /**
 133          * Set the user ID
 134          *
 135          * @param int $user_id
 136          * @return void
 137          */
 138         public function setUserId(int $user_id)
 139         {
 140                 $this->user_id = $user_id;
 141         }
 142
 143         /**
 144          * Set the nickname
 145          *
 146          * @param int $user_id
 147          * @return void
 148          */
 149         public function setNickname(string $nickname)
 150         {
 151                 $this->nickname = $nickname;
 152         }
 153
 154         /**
 155          * Fetch the user id
 156          * @return int
 157          */
 158         public function getUserId()
 159         {
 160                 return $this->user_id;
 161         }
 162
 163         /**
 164          * Fetch the user nick name
 165          * @return string
 166          */
 167         public function getNickname()
 168         {
 169                 return $this->nickname;
 170         }
 171
 172         /**
 173          * Fetch a specific user field
 174          *
 175          * @param string $index
 176          * @return mixed
 177          */
 178         public function getUserValue(string $index)
 179         {
 180                 if (empty($this->user_id)) {
 181                         return null;
 182                 }
 183
 184                 if (empty($this->user)) {
 185                         $this->user = User::getById($this->user_id);
 186                 }
 187
 188                 return $this->user[$index] ?? null;
 189         }
 190
 191         /**
 192          * Set the profile owner ID
 193          *
 194          * @param int $owner_id
 195          * @return void
 196          */
 197         public function setProfileOwner(int $owner_id)
 198         {
 199                 $this->profile_owner = $owner_id;
 200         }
 201
 202         /**
 203          * Get the profile owner ID
 204          *
 205          * @return int
 206          */
 207         public function getProfileOwner():int
 208         {
 209                 return $this->profile_owner;
 210         }
 211
 212         /**
 213          * Set the contact ID
 214          *
 215          * @param int $contact_id
 216          * @return void
 217          */
 218         public function setContactId(int $contact_id)
 219         {
 220                 $this->contact_id = $contact_id;
 221         }
 222
 223         /**
 224          * Get the contact ID
 225          *
 226          * @return int
 227          */
 228         public function getContactId():int
 229         {
 230                 return $this->contact_id;
 231         }
 232
 233         /**
 234          * Set the timezone
 235          *
 236          * @param int $timezone
 237          * @return void
 238          */
 239         public function setTimeZone(string $timezone)
 240         {
 241                 $this->timezone = $timezone;
 242         }
 243
 244         /**
 245          * Get the timezone
 246          *
 247          * @return int
 248          */
 249         public function getTimeZone():string
 250         {
 251                 return $this->timezone;
 252         }
 253
 254         /**
 255          * Set workerqueue information
 256          *
 257          * @param array $queue
 258          * @return void
 259          */
 260         public function setQueue(array $queue)
 261         {
 262                 $this->queue = $queue;
 263         }
 264
 265         /**
 266          * Fetch workerqueue information
 267          *
 268          * @return array
 269          */
 270         public function getQueue()
 271         {
 272                 return $this->queue ?? [];
 273         }
 274
 275         /**
 276          * Fetch a specific workerqueue field
 277          *
 278          * @param string $index
 279          * @return mixed
 280          */
 281         public function getQueueValue(string $index)
 282         {
 283                 return $this->queue[$index] ?? null;
 284         }
 285
 286         public function setThemeInfoValue(string $index, $value)
 287         {
 288                 $this->theme_info[$index] = $value;
 289         }
 290
 291         public function getThemeInfo()
 292         {
 293                 return $this->theme_info;
 294         }
 295
 296         public function getThemeInfoValue(string $index, $default = null)
 297         {
 298                 return $this->theme_info[$index] ?? $default;
 299         }
 300
 301         /**
 302          * Returns the current config cache of this node
 303          *
 304          * @return Cache
 305          */
 306         public function getConfigCache()
 307         {
 308                 return $this->config->getCache();
 309         }
 310
 311         /**
 312          * The basepath of this app
 313          *
 314          * @return string
 315          */
 316         public function getBasePath()
 317         {
 318                 // Don't use the basepath of the config table for basepath (it should always be the config-file one)
 319                 return $this->config->getCache()->get('system', 'basepath');
 320         }
 321
 322         /**
 323          * @param Database        $database The Friendica Database
 324          * @param IConfig         $config   The Configuration
 325          * @param App\Mode        $mode     The mode of this Friendica app
 326          * @param BaseURL         $baseURL  The full base URL of this Friendica app
 327          * @param LoggerInterface $logger   The current app logger
 328          * @param Profiler        $profiler The profiler of this application
 329          * @param L10n            $l10n     The translator instance
 330          * @param App\Arguments   $args     The Friendica Arguments of the call
 331          * @param Core\Process    $process  The process methods
 332          * @param IPConfig        $pConfig  Personal configuration
 333          */
 334         public function __construct(Database $database, IConfig $config, App\Mode $mode, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, L10n $l10n, Arguments $args, Core\Process $process, IPConfig $pConfig)
 335         {
 336                 $this->database = $database;
 337                 $this->config   = $config;
 338                 $this->mode     = $mode;
 339                 $this->baseURL  = $baseURL;
 340                 $this->profiler = $profiler;
 341                 $this->logger   = $logger;
 342                 $this->l10n     = $l10n;
 343                 $this->args     = $args;
 344                 $this->process  = $process;
 345                 $this->pConfig  = $pConfig;
 346
 347                 $this->load();
 348         }
 349
 350         /**
 351          * Load the whole app instance
 352          */
 353         public function load()
 354         {
 355                 set_time_limit(0);
 356
 357                 // This has to be quite large to deal with embedded private photos
 358                 ini_set('pcre.backtrack_limit', 500000);
 359
 360                 set_include_path(
 361                         get_include_path() . PATH_SEPARATOR
 362                         . $this->getBasePath() . DIRECTORY_SEPARATOR . 'include' . PATH_SEPARATOR
 363                         . $this->getBasePath() . DIRECTORY_SEPARATOR . 'library' . PATH_SEPARATOR
 364                         . $this->getBasePath());
 365
 366                 $this->profiler->reset();
 367
 368                 if ($this->mode->has(App\Mode::DBAVAILABLE)) {
 369                         $this->profiler->update($this->config);
 370
 371                         Core\Hook::loadHooks();
 372                         $loader = new ConfigFileLoader($this->getBasePath());
 373                         Core\Hook::callAll('load_config', $loader);
 374                 }
 375
 376                 $this->loadDefaultTimezone();
 377                 // Register template engines
 378                 Core\Renderer::registerTemplateEngine('Friendica\Render\FriendicaSmartyEngine');
 379         }
 380
 381         /**
 382          * Loads the default timezone
 383          *
 384          * Include support for legacy $default_timezone
 385          *
 386          * @global string $default_timezone
 387          */
 388         private function loadDefaultTimezone()
 389         {
 390                 if ($this->config->get('system', 'default_timezone')) {
 391                         $this->timezone = $this->config->get('system', 'default_timezone');
 392                 } else {
 393                         global $default_timezone;
 394                         $this->timezone = !empty($default_timezone) ? $default_timezone : 'UTC';
 395                 }
 396
 397                 if ($this->timezone) {
 398                         date_default_timezone_set($this->timezone);
 399                 }
 400         }
 401
 402         /**
 403          * Returns the current theme name. May be overriden by the mobile theme name.
 404          *
 405          * @return string
 406          * @throws Exception
 407          */
 408         public function getCurrentTheme()
 409         {
 410                 if ($this->mode->isInstall()) {
 411                         return '';
 412                 }
 413
 414                 // Specific mobile theme override
 415                 if (($this->mode->isMobile() || $this->mode->isTablet()) && Core\Session::get('show-mobile', true)) {
 416                         $user_mobile_theme = $this->getCurrentMobileTheme();
 417
 418                         // --- means same mobile theme as desktop
 419                         if (!empty($user_mobile_theme) && $user_mobile_theme !== '---') {
 420                                 return $user_mobile_theme;
 421                         }
 422                 }
 423
 424                 if (!$this->currentTheme) {
 425                         $this->computeCurrentTheme();
 426                 }
 427
 428                 return $this->currentTheme;
 429         }
 430
 431         /**
 432          * Returns the current mobile theme name.
 433          *
 434          * @return string
 435          * @throws Exception
 436          */
 437         public function getCurrentMobileTheme()
 438         {
 439                 if ($this->mode->isInstall()) {
 440                         return '';
 441                 }
 442
 443                 if (is_null($this->currentMobileTheme)) {
 444                         $this->computeCurrentMobileTheme();
 445                 }
 446
 447                 return $this->currentMobileTheme;
 448         }
 449
 450         public function setCurrentTheme($theme)
 451         {
 452                 $this->currentTheme = $theme;
 453         }
 454
 455         public function setCurrentMobileTheme($theme)
 456         {
 457                 $this->currentMobileTheme = $theme;
 458         }
 459
 460         /**
 461          * Computes the current theme name based on the node settings, the page owner settings and the user settings
 462          *
 463          * @throws Exception
 464          */
 465         private function computeCurrentTheme()
 466         {
 467                 $system_theme = $this->config->get('system', 'theme');
 468                 if (!$system_theme) {
 469                         throw new Exception($this->l10n->t('No system theme config value set.'));
 470                 }
 471
 472                 // Sane default
 473                 $this->setCurrentTheme($system_theme);
 474
 475                 $page_theme = null;
 476                 // Find the theme that belongs to the user whose stuff we are looking at
 477                 if (!empty($this->profile_owner) && ($this->profile_owner != local_user())) {
 478                         // Allow folks to override user themes and always use their own on their own site.
 479                         // This works only if the user is on the same server
 480                         $user = $this->database->selectFirst('user', ['theme'], ['uid' => $this->profile_owner]);
 481                         if ($this->database->isResult($user) && !$this->pConfig->get(local_user(), 'system', 'always_my_theme')) {
 482                                 $page_theme = $user['theme'];
 483                         }
 484                 }
 485
 486                 $theme_name = $page_theme ?: Core\Session::get('theme', $system_theme);
 487
 488                 $theme_name = Strings::sanitizeFilePathItem($theme_name);
 489                 if ($theme_name
 490                     && in_array($theme_name, Theme::getAllowedList())
 491                     && (file_exists('view/theme/' . $theme_name . '/style.css')
 492                         || file_exists('view/theme/' . $theme_name . '/style.php'))
 493                 ) {
 494                         $this->setCurrentTheme($theme_name);
 495                 }
 496         }
 497
 498         /**
 499          * Computes the current mobile theme name based on the node settings, the page owner settings and the user settings
 500          */
 501         private function computeCurrentMobileTheme()
 502         {
 503                 $system_mobile_theme = $this->config->get('system', 'mobile-theme', '');
 504
 505                 // Sane default
 506                 $this->setCurrentMobileTheme($system_mobile_theme);
 507
 508                 $page_mobile_theme = null;
 509                 // Find the theme that belongs to the user whose stuff we are looking at
 510                 if (!empty($this->profile_owner) && ($this->profile_owner != local_user())) {
 511                         // Allow folks to override user themes and always use their own on their own site.
 512                         // This works only if the user is on the same server
 513                         if (!$this->pConfig->get(local_user(), 'system', 'always_my_theme')) {
 514                                 $page_mobile_theme = $this->pConfig->get($this->profile_owner, 'system', 'mobile-theme');
 515                         }
 516                 }
 517
 518                 $mobile_theme_name = $page_mobile_theme ?: Core\Session::get('mobile-theme', $system_mobile_theme);
 519
 520                 $mobile_theme_name = Strings::sanitizeFilePathItem($mobile_theme_name);
 521                 if ($mobile_theme_name == '---'
 522                         ||
 523                         in_array($mobile_theme_name, Theme::getAllowedList())
 524                         && (file_exists('view/theme/' . $mobile_theme_name . '/style.css')
 525                                 || file_exists('view/theme/' . $mobile_theme_name . '/style.php'))
 526                 ) {
 527                         $this->setCurrentMobileTheme($mobile_theme_name);
 528                 }
 529         }
 530
 531         /**
 532          * Provide a sane default if nothing is chosen or the specified theme does not exist.
 533          *
 534          * @return string
 535          * @throws Exception
 536          */
 537         public function getCurrentThemeStylesheetPath()
 538         {
 539                 return Core\Theme::getStylesheetPath($this->getCurrentTheme());
 540         }
 541
 542         /**
 543          * Sets the base url for use in cmdline programs which don't have
 544          * $_SERVER variables
 545          */
 546         public function checkURL()
 547         {
 548                 $url = $this->config->get('system', 'url');
 549
 550                 // if the url isn't set or the stored url is radically different
 551                 // than the currently visited url, store the current value accordingly.
 552                 // "Radically different" ignores common variations such as http vs https
 553                 // and www.example.com vs example.com.
 554                 // We will only change the url to an ip address if there is no existing setting
 555
 556                 if (empty($url) || (!Util\Strings::compareLink($url, $this->baseURL->get())) && (!preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/", $this->baseURL->getHostname()))) {
 557                         $this->config->set('system', 'url', $this->baseURL->get());
 558                 }
 559         }
 560
 561         /**
 562          * Frontend App script
 563          *
 564          * The App object behaves like a container and a dispatcher at the same time, including a representation of the
 565          * request and a representation of the response.
 566          *
 567          * This probably should change to limit the size of this monster method.
 568          *
 569          * @param App\Module     $module The determined module
 570          * @param App\Router     $router
 571          * @param IPConfig       $pconfig
 572          * @param Authentication $auth The Authentication backend of the node
 573          * @param App\Page       $page The Friendica page printing container
 574          *
 575          * @throws HTTPException\InternalServerErrorException
 576          * @throws \ImagickException
 577          */
 578         public function runFrontend(App\Module $module, App\Router $router, IPConfig $pconfig, Authentication $auth, App\Page $page, float $start_time)
 579         {
 580                 $this->profiler->set($start_time, 'start');
 581                 $this->profiler->set(microtime(true), 'classinit');
 582
 583                 $moduleName = $module->getName();
 584
 585                 try {
 586                         // Missing DB connection: ERROR
 587                         if ($this->mode->has(App\Mode::LOCALCONFIGPRESENT) && !$this->mode->has(App\Mode::DBAVAILABLE)) {
 588                                 throw new HTTPException\InternalServerErrorException('Apologies but the website is unavailable at the moment.');
 589                         }
 590
 591                         // Max Load Average reached: ERROR
 592                         if ($this->process->isMaxProcessesReached() || $this->process->isMaxLoadReached()) {
 593                                 header('Retry-After: 120');
 594                                 header('Refresh: 120; url=' . $this->baseURL->get() . "/" . $this->args->getQueryString());
 595
 596                                 throw new HTTPException\ServiceUnavailableException('The node is currently overloaded. Please try again later.');
 597                         }
 598
 599                         if (!$this->mode->isInstall()) {
 600                                 // Force SSL redirection
 601                                 if ($this->baseURL->checkRedirectHttps()) {
 602                                         System::externalRedirect($this->baseURL->get() . '/' . $this->args->getQueryString());
 603                                 }
 604
 605                                 Core\Hook::callAll('init_1');
 606                         }
 607
 608                         if ($this->mode->isNormal() && !$this->mode->isBackend()) {
 609                                 $requester = HTTPSignature::getSigner('', $_SERVER);
 610                                 if (!empty($requester)) {
 611                                         Profile::addVisitorCookieForHandle($requester);
 612                                 }
 613                         }
 614
 615                         // ZRL
 616                         if (!empty($_GET['zrl']) && $this->mode->isNormal() && !$this->mode->isBackend()) {
 617                                 if (!local_user()) {
 618                                         // Only continue when the given profile link seems valid
 619                                         // Valid profile links contain a path with "/profile/" and no query parameters
 620                                         if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") &&
 621                                             strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
 622                                                 if (Core\Session::get('visitor_home') != $_GET["zrl"]) {
 623                                                         Core\Session::set('my_url', $_GET['zrl']);
 624                                                         Core\Session::set('authenticated', 0);
 625
 626                                                         $remote_contact = Contact::getByURL($_GET['zrl'], false, ['subscribe']);
 627                                                         if (!empty($remote_contact['subscribe'])) {
 628                                                                 $_SESSION['remote_comment'] = $remote_contact['subscribe'];
 629                                                         }
 630                                                 }
 631
 632                                                 Model\Profile::zrlInit($this);
 633                                         } else {
 634                                                 // Someone came with an invalid parameter, maybe as a DDoS attempt
 635                                                 // We simply stop processing here
 636                                                 $this->logger->debug('Invalid ZRL parameter.', ['zrl' => $_GET['zrl']]);
 637                                                 throw new HTTPException\ForbiddenException();
 638                                         }
 639                                 }
 640                         }
 641
 642                         if (!empty($_GET['owt']) && $this->mode->isNormal()) {
 643                                 $token = $_GET['owt'];
 644                                 Model\Profile::openWebAuthInit($token);
 645                         }
 646
 647                         $auth->withSession($this);
 648
 649                         if (empty($_SESSION['authenticated'])) {
 650                                 header('X-Account-Management-Status: none');
 651                         }
 652
 653                         $_SESSION['sysmsg']       = Core\Session::get('sysmsg', []);
 654                         $_SESSION['sysmsg_info']  = Core\Session::get('sysmsg_info', []);
 655                         $_SESSION['last_updated'] = Core\Session::get('last_updated', []);
 656
 657                         /*
 658                          * check_config() is responsible for running update scripts. These automatically
 659                          * update the DB schema whenever we push a new one out. It also checks to see if
 660                          * any addons have been added or removed and reacts accordingly.
 661                          */
 662
 663                         // in install mode, any url loads install module
 664                         // but we need "view" module for stylesheet
 665                         if ($this->mode->isInstall() && $moduleName !== 'install') {
 666                                 $this->baseURL->redirect('install');
 667                         } else {
 668                                 $this->checkURL();
 669                                 Core\Update::check($this->getBasePath(), false, $this->mode);
 670                                 Core\Addon::loadAddons();
 671                                 Core\Hook::loadHooks();
 672                         }
 673
 674                         // Compatibility with the Android Diaspora client
 675                         if ($moduleName == 'stream') {
 676                                 $this->baseURL->redirect('network?order=post');
 677                         }
 678
 679                         if ($moduleName == 'conversations') {
 680                                 $this->baseURL->redirect('message');
 681                         }
 682
 683                         if ($moduleName == 'commented') {
 684                                 $this->baseURL->redirect('network?order=comment');
 685                         }
 686
 687                         if ($moduleName == 'liked') {
 688                                 $this->baseURL->redirect('network?order=comment');
 689                         }
 690
 691                         if ($moduleName == 'activity') {
 692                                 $this->baseURL->redirect('network?conv=1');
 693                         }
 694
 695                         if (($moduleName == 'status_messages') && ($this->args->getCommand() == 'status_messages/new')) {
 696                                 $this->baseURL->redirect('bookmarklet');
 697                         }
 698
 699                         if (($moduleName == 'user') && ($this->args->getCommand() == 'user/edit')) {
 700                                 $this->baseURL->redirect('settings');
 701                         }
 702
 703                         if (($moduleName == 'tag_followings') && ($this->args->getCommand() == 'tag_followings/manage')) {
 704                                 $this->baseURL->redirect('search');
 705                         }
 706
 707                         // Initialize module that can set the current theme in the init() method, either directly or via App->setProfileOwner
 708                         $page['page_title'] = $moduleName;
 709
 710                         if (!$this->mode->isInstall() && !$this->mode->has(App\Mode::MAINTENANCEDISABLED)) {
 711                                 $module = new Module('maintenance', Maintenance::class);
 712                         } else {
 713                                 // determine the module class and save it to the module instance
 714                                 // @todo there's an implicit dependency due SESSION::start(), so it has to be called here (yet)
 715                                 $module = $module->determineClass($this->args, $router, $this->config);
 716                         }
 717
 718                         // Let the module run it's internal process (init, get, post, ...)
 719                         $module->run($this->l10n, $this->baseURL, $this->logger, $this->profiler, $_SERVER, $_POST);
 720                 } catch (HTTPException $e) {
 721                         ModuleHTTPException::rawContent($e);
 722                 }
 723
 724                 $page->run($this, $this->baseURL, $this->mode, $module, $this->l10n, $this->profiler, $this->config, $pconfig);
 725         }
 726
 727         /**
 728          * Automatically redirects to relative or absolute URL
 729          * Should only be used if it isn't clear if the URL is either internal or external
 730          *
 731          * @param string $toUrl The target URL
 732          *
 733          * @throws HTTPException\InternalServerErrorException
 734          */
 735         public function redirect($toUrl)
 736         {
 737                 if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
 738                         Core\System::externalRedirect($toUrl);
 739                 } else {
 740                         $this->baseURL->redirect($toUrl);
 741                 }
 742         }
 743 }