src/App.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2023, 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\Capabilities\ICanCreateResponses;
  28 use Friendica\Content\Nav;
  29 use Friendica\Core\Config\Factory\Config;
  30 use Friendica\Core\Session\Capability\IHandleUserSessions;
  31 use Friendica\Database\Definition\DbaDefinition;
  32 use Friendica\Database\Definition\ViewDefinition;
  33 use Friendica\Module\Maintenance;
  34 use Friendica\Security\Authentication;
  35 use Friendica\Core\Config\ValueObject\Cache;
  36 use Friendica\Core\Config\Capability\IManageConfigValues;
  37 use Friendica\Core\PConfig\Capability\IManagePersonalConfigValues;
  38 use Friendica\Core\L10n;
  39 use Friendica\Core\System;
  40 use Friendica\Core\Theme;
  41 use Friendica\Database\Database;
  42 use Friendica\Model\Contact;
  43 use Friendica\Model\Profile;
  44 use Friendica\Module\Special\HTTPException as ModuleHTTPException;
  45 use Friendica\Network\HTTPException;
  46 use Friendica\Util\DateTimeFormat;
  47 use Friendica\Util\HTTPInputData;
  48 use Friendica\Util\HTTPSignature;
  49 use Friendica\Util\Profiler;
  50 use Friendica\Util\Strings;
  51 use Psr\Log\LoggerInterface;
  52
  53 /**
  54  * Our main application structure for the life of this page.
  55  *
  56  * Primarily deals with the URL that got us here
  57  * and tries to make some sense of it, and
  58  * stores our page contents and config storage
  59  * and anything else that might need to be passed around
  60  * before we spit the page out.
  61  *
  62  */
  63 class App
  64 {
  65         const PLATFORM = 'Friendica';
  66         const CODENAME = 'Giant Rhubarb';
  67         const VERSION  = '2023.03-dev';
  68
  69         // Allow themes to control internal parameters
  70         // by changing App values in theme.php
  71         private $theme_info = [
  72                 'videowidth'        => 425,
  73                 'videoheight'       => 350,
  74         ];
  75
  76         private $timezone      = '';
  77         private $profile_owner = 0;
  78         private $contact_id    = 0;
  79         private $queue         = [];
  80
  81         /**
  82          * @var App\Mode The Mode of the Application
  83          */
  84         private $mode;
  85
  86         /**
  87          * @var BaseURL
  88          */
  89         private $baseURL;
  90
  91         /** @var string The name of the current theme */
  92         private $currentTheme;
  93         /** @var string The name of the current mobile theme */
  94         private $currentMobileTheme;
  95
  96         /**
  97          * @var IManageConfigValues The config
  98          */
  99         private $config;
 100
 101         /**
 102          * @var LoggerInterface The logger
 103          */
 104         private $logger;
 105
 106         /**
 107          * @var Profiler The profiler of this app
 108          */
 109         private $profiler;
 110
 111         /**
 112          * @var Database The Friendica database connection
 113          */
 114         private $database;
 115
 116         /**
 117          * @var L10n The translator
 118          */
 119         private $l10n;
 120
 121         /**
 122          * @var App\Arguments
 123          */
 124         private $args;
 125
 126         /**
 127          * @var IManagePersonalConfigValues
 128          */
 129         private $pConfig;
 130
 131         /**
 132          * @var IHandleUserSessions
 133          */
 134         private $session;
 135
 136         /**
 137          * @deprecated 2022.03
 138          * @see IHandleUserSessions::isAuthenticated()
 139          */
 140         public function isLoggedIn(): bool
 141         {
 142                 return $this->session->isAuthenticated();
 143         }
 144
 145         /**
 146          * @deprecated 2022.03
 147          * @see IHandleUserSessions::isSiteAdmin()
 148          */
 149         public function isSiteAdmin(): bool
 150         {
 151                 return $this->session->isSiteAdmin();
 152         }
 153
 154         /**
 155          * @deprecated 2022.03
 156          * @see IHandleUserSessions::getLocalUserId()
 157          */
 158         public function getLoggedInUserId(): int
 159         {
 160                 return $this->session->getLocalUserId();
 161         }
 162
 163         /**
 164          * @deprecated 2022.03
 165          * @see IHandleUserSessions::getLocalUserNickname()
 166          */
 167         public function getLoggedInUserNickname(): string
 168         {
 169                 return $this->session->getLocalUserNickname();
 170         }
 171
 172         /**
 173          * Set the profile owner ID
 174          *
 175          * @param int $owner_id
 176          * @return void
 177          */
 178         public function setProfileOwner(int $owner_id)
 179         {
 180                 $this->profile_owner = $owner_id;
 181         }
 182
 183         /**
 184          * Get the profile owner ID
 185          *
 186          * @return int
 187          */
 188         public function getProfileOwner(): int
 189         {
 190                 return $this->profile_owner;
 191         }
 192
 193         /**
 194          * Set the contact ID
 195          *
 196          * @param int $contact_id
 197          * @return void
 198          */
 199         public function setContactId(int $contact_id)
 200         {
 201                 $this->contact_id = $contact_id;
 202         }
 203
 204         /**
 205          * Get the contact ID
 206          *
 207          * @return int
 208          */
 209         public function getContactId(): int
 210         {
 211                 return $this->contact_id;
 212         }
 213
 214         /**
 215          * Set the timezone
 216          *
 217          * @param string $timezone A valid time zone identifier, see https://www.php.net/manual/en/timezones.php
 218          * @return void
 219          */
 220         public function setTimeZone(string $timezone)
 221         {
 222                 $this->timezone = (new \DateTimeZone($timezone))->getName();
 223                 DateTimeFormat::setLocalTimeZone($this->timezone);
 224         }
 225
 226         /**
 227          * Get the timezone
 228          *
 229          * @return int
 230          */
 231         public function getTimeZone(): string
 232         {
 233                 return $this->timezone;
 234         }
 235
 236         /**
 237          * Set workerqueue information
 238          *
 239          * @param array $queue
 240          * @return void
 241          */
 242         public function setQueue(array $queue)
 243         {
 244                 $this->queue = $queue;
 245         }
 246
 247         /**
 248          * Fetch workerqueue information
 249          *
 250          * @return array Worker queue
 251          */
 252         public function getQueue(): array
 253         {
 254                 return $this->queue ?? [];
 255         }
 256
 257         /**
 258          * Fetch a specific workerqueue field
 259          *
 260          * @param string $index Work queue record to fetch
 261          * @return mixed Work queue item or NULL if not found
 262          */
 263         public function getQueueValue(string $index)
 264         {
 265                 return $this->queue[$index] ?? null;
 266         }
 267
 268         public function setThemeInfoValue(string $index, $value)
 269         {
 270                 $this->theme_info[$index] = $value;
 271         }
 272
 273         public function getThemeInfo()
 274         {
 275                 return $this->theme_info;
 276         }
 277
 278         public function getThemeInfoValue(string $index, $default = null)
 279         {
 280                 return $this->theme_info[$index] ?? $default;
 281         }
 282
 283         /**
 284          * Returns the current config cache of this node
 285          *
 286          * @return Cache
 287          */
 288         public function getConfigCache()
 289         {
 290                 return $this->config->getCache();
 291         }
 292
 293         /**
 294          * The basepath of this app
 295          *
 296          * @return string Base path from configuration
 297          */
 298         public function getBasePath(): string
 299         {
 300                 return $this->config->get('system', 'basepath');
 301         }
 302
 303         /**
 304          * @param Database                    $database The Friendica Database
 305          * @param IManageConfigValues         $config   The Configuration
 306          * @param App\Mode                    $mode     The mode of this Friendica app
 307          * @param BaseURL                     $baseURL  The full base URL of this Friendica app
 308          * @param LoggerInterface             $logger   The current app logger
 309          * @param Profiler                    $profiler The profiler of this application
 310          * @param L10n                        $l10n     The translator instance
 311          * @param App\Arguments               $args     The Friendica Arguments of the call
 312          * @param IManagePersonalConfigValues $pConfig  Personal configuration
 313          * @param IHandleUserSessions         $session  The (User)Session handler
 314          * @param DbaDefinition               $dbaDefinition
 315          * @param ViewDefinition              $viewDefinition
 316          */
 317         public function __construct(Database $database, IManageConfigValues $config, App\Mode $mode, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, L10n $l10n, Arguments $args, IManagePersonalConfigValues $pConfig, IHandleUserSessions $session, DbaDefinition $dbaDefinition, ViewDefinition $viewDefinition)
 318         {
 319                 $this->database       = $database;
 320                 $this->config         = $config;
 321                 $this->mode           = $mode;
 322                 $this->baseURL        = $baseURL;
 323                 $this->profiler       = $profiler;
 324                 $this->logger         = $logger;
 325                 $this->l10n           = $l10n;
 326                 $this->args           = $args;
 327                 $this->pConfig        = $pConfig;
 328                 $this->session        = $session;
 329
 330                 $this->load($dbaDefinition, $viewDefinition);
 331         }
 332
 333         /**
 334          * Load the whole app instance
 335          */
 336         protected function load(DbaDefinition $dbaDefinition, ViewDefinition $viewDefinition)
 337         {
 338                 set_time_limit(0);
 339
 340                 // Normally this constant is defined - but not if "pcntl" isn't installed
 341                 if (!defined('SIGTERM')) {
 342                         define('SIGTERM', 15);
 343                 }
 344
 345                 // Ensure that all "strtotime" operations do run timezone independent
 346                 date_default_timezone_set('UTC');
 347
 348                 // This has to be quite large to deal with embedded private photos
 349                 ini_set('pcre.backtrack_limit', 500000);
 350
 351                 set_include_path(
 352                         get_include_path() . PATH_SEPARATOR
 353                         . $this->getBasePath() . DIRECTORY_SEPARATOR . 'include' . PATH_SEPARATOR
 354                         . $this->getBasePath() . DIRECTORY_SEPARATOR . 'library' . PATH_SEPARATOR
 355                         . $this->getBasePath());
 356
 357                 $this->profiler->reset();
 358
 359                 if ($this->mode->has(App\Mode::DBAVAILABLE)) {
 360                         Core\Hook::loadHooks();
 361                         $loader = (new Config())->createConfigFileManager($this->getBasePath(), $_SERVER);
 362                         Core\Hook::callAll('load_config', $loader);
 363
 364                         // Hooks are now working, reload the whole definitions with hook enabled
 365                         $dbaDefinition->load(true);
 366                         $viewDefinition->load(true);
 367                 }
 368
 369                 $this->loadDefaultTimezone();
 370                 // Register template engines
 371                 Core\Renderer::registerTemplateEngine('Friendica\Render\FriendicaSmartyEngine');
 372         }
 373
 374         /**
 375          * Loads the default timezone
 376          *
 377          * Include support for legacy $default_timezone
 378          *
 379          * @global string $default_timezone
 380          */
 381         private function loadDefaultTimezone()
 382         {
 383                 if ($this->config->get('system', 'default_timezone')) {
 384                         $timezone = $this->config->get('system', 'default_timezone', 'UTC');
 385                 } else {
 386                         global $default_timezone;
 387                         $timezone = $default_timezone ?? '' ?: 'UTC';
 388                 }
 389
 390                 $this->setTimeZone($timezone);
 391         }
 392
 393         /**
 394          * Returns the current theme name. May be overriden by the mobile theme name.
 395          *
 396          * @return string Current theme name or empty string in installation phase
 397          * @throws Exception
 398          */
 399         public function getCurrentTheme(): string
 400         {
 401                 if ($this->mode->isInstall()) {
 402                         return '';
 403                 }
 404
 405                 // Specific mobile theme override
 406                 if (($this->mode->isMobile() || $this->mode->isTablet()) && $this->session->get('show-mobile', true)) {
 407                         $user_mobile_theme = $this->getCurrentMobileTheme();
 408
 409                         // --- means same mobile theme as desktop
 410                         if (!empty($user_mobile_theme) && $user_mobile_theme !== '---') {
 411                                 return $user_mobile_theme;
 412                         }
 413                 }
 414
 415                 if (!$this->currentTheme) {
 416                         $this->computeCurrentTheme();
 417                 }
 418
 419                 return $this->currentTheme;
 420         }
 421
 422         /**
 423          * Returns the current mobile theme name.
 424          *
 425          * @return string Mobile theme name or empty string if installer
 426          * @throws Exception
 427          */
 428         public function getCurrentMobileTheme(): string
 429         {
 430                 if ($this->mode->isInstall()) {
 431                         return '';
 432                 }
 433
 434                 if (is_null($this->currentMobileTheme)) {
 435                         $this->computeCurrentMobileTheme();
 436                 }
 437
 438                 return $this->currentMobileTheme;
 439         }
 440
 441         /**
 442          * Setter for current theme name
 443          *
 444          * @param string $theme Name of current theme
 445          */
 446         public function setCurrentTheme(string $theme)
 447         {
 448                 $this->currentTheme = $theme;
 449         }
 450
 451         /**
 452          * Setter for current mobile theme name
 453          *
 454          * @param string $theme Name of current mobile theme
 455          */
 456         public function setCurrentMobileTheme(string $theme)
 457         {
 458                 $this->currentMobileTheme = $theme;
 459         }
 460
 461         /**
 462          * Computes the current theme name based on the node settings, the page owner settings and the user settings
 463          *
 464          * @throws Exception
 465          */
 466         private function computeCurrentTheme()
 467         {
 468                 $system_theme = $this->config->get('system', 'theme');
 469                 if (!$system_theme) {
 470                         throw new Exception($this->l10n->t('No system theme config value set.'));
 471                 }
 472
 473                 // Sane default
 474                 $this->setCurrentTheme($system_theme);
 475
 476                 $page_theme = null;
 477                 // Find the theme that belongs to the user whose stuff we are looking at
 478                 if (!empty($this->profile_owner) && ($this->profile_owner != $this->session->getLocalUserId())) {
 479                         // Allow folks to override user themes and always use their own on their own site.
 480                         // This works only if the user is on the same server
 481                         $user = $this->database->selectFirst('user', ['theme'], ['uid' => $this->profile_owner]);
 482                         if ($this->database->isResult($user) && !$this->session->getLocalUserId()) {
 483                                 $page_theme = $user['theme'];
 484                         }
 485                 }
 486
 487                 $theme_name = $page_theme ?: $this->session->get('theme', $system_theme);
 488
 489                 $theme_name = Strings::sanitizeFilePathItem($theme_name);
 490                 if ($theme_name
 491                     && in_array($theme_name, Theme::getAllowedList())
 492                     && (file_exists('view/theme/' . $theme_name . '/style.css')
 493                         || file_exists('view/theme/' . $theme_name . '/style.php'))
 494                 ) {
 495                         $this->setCurrentTheme($theme_name);
 496                 }
 497         }
 498
 499         /**
 500          * Computes the current mobile theme name based on the node settings, the page owner settings and the user settings
 501          */
 502         private function computeCurrentMobileTheme()
 503         {
 504                 $system_mobile_theme = $this->config->get('system', 'mobile-theme', '');
 505
 506                 // Sane default
 507                 $this->setCurrentMobileTheme($system_mobile_theme);
 508
 509                 $page_mobile_theme = null;
 510                 // Find the theme that belongs to the user whose stuff we are looking at
 511                 if (!empty($this->profile_owner) && ($this->profile_owner != $this->session->getLocalUserId())) {
 512                         // Allow folks to override user themes and always use their own on their own site.
 513                         // This works only if the user is on the same server
 514                         if (!$this->session->getLocalUserId()) {
 515                                 $page_mobile_theme = $this->pConfig->get($this->profile_owner, 'system', 'mobile-theme');
 516                         }
 517                 }
 518
 519                 $mobile_theme_name = $page_mobile_theme ?: $this->session->get('mobile-theme', $system_mobile_theme);
 520
 521                 $mobile_theme_name = Strings::sanitizeFilePathItem($mobile_theme_name);
 522                 if ($mobile_theme_name == '---'
 523                         ||
 524                         in_array($mobile_theme_name, Theme::getAllowedList())
 525                         && (file_exists('view/theme/' . $mobile_theme_name . '/style.css')
 526                                 || file_exists('view/theme/' . $mobile_theme_name . '/style.php'))
 527                 ) {
 528                         $this->setCurrentMobileTheme($mobile_theme_name);
 529                 }
 530         }
 531
 532         /**
 533          * Provide a sane default if nothing is chosen or the specified theme does not exist.
 534          *
 535          * @return string Current theme's stylsheet path
 536          * @throws Exception
 537          */
 538         public function getCurrentThemeStylesheetPath(): string
 539         {
 540                 return Core\Theme::getStylesheetPath($this->getCurrentTheme());
 541         }
 542
 543         /**
 544          * Sets the base url for use in cmdline programs which don't have
 545          * $_SERVER variables
 546          */
 547         public function checkURL()
 548         {
 549                 $url = $this->config->get('system', 'url');
 550
 551                 // if the url isn't set or the stored url is radically different
 552                 // than the currently visited url, store the current value accordingly.
 553                 // "Radically different" ignores common variations such as http vs https
 554                 // and www.example.com vs example.com.
 555                 // We will only change the url to an ip address if there is no existing setting
 556
 557                 if (empty($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()))) {
 558                         $this->config->set('system', 'url', $this->baseURL->get());
 559                 }
 560         }
 561
 562         /**
 563          * Frontend App script
 564          *
 565          * The App object behaves like a container and a dispatcher at the same time, including a representation of the
 566          * request and a representation of the response.
 567          *
 568          * This probably should change to limit the size of this monster method.
 569          *
 570          * @param App\Router                  $router
 571          * @param IManagePersonalConfigValues $pconfig
 572          * @param Authentication              $auth       The Authentication backend of the node
 573          * @param App\Page                    $page       The Friendica page printing container
 574          * @param ModuleHTTPException         $httpException The possible HTTP Exception container
 575          * @param HTTPInputData               $httpInput  A library for processing PHP input streams
 576          * @param float                       $start_time The start time of the overall script execution
 577          *
 578          * @throws HTTPException\InternalServerErrorException
 579          * @throws \ImagickException
 580          */
 581         public function runFrontend(App\Router $router, IManagePersonalConfigValues $pconfig, Authentication $auth, App\Page $page, Nav $nav, ModuleHTTPException $httpException, HTTPInputData $httpInput, float $start_time)
 582         {
 583                 $this->profiler->set($start_time, 'start');
 584                 $this->profiler->set(microtime(true), 'classinit');
 585
 586                 $moduleName = $this->args->getModuleName();
 587                 $page->setLogging($this->args->getMethod(), $this->args->getModuleName(), $this->args->getCommand());
 588
 589                 try {
 590                         // Missing DB connection: ERROR
 591                         if ($this->mode->has(App\Mode::LOCALCONFIGPRESENT) && !$this->mode->has(App\Mode::DBAVAILABLE)) {
 592                                 throw new HTTPException\InternalServerErrorException($this->l10n->t('Apologies but the website is unavailable at the moment.'));
 593                         }
 594
 595                         if (!$this->mode->isInstall()) {
 596                                 // Force SSL redirection
 597                                 if ($this->baseURL->checkRedirectHttps()) {
 598                                         System::externalRedirect($this->baseURL->get() . '/' . $this->args->getQueryString());
 599                                 }
 600
 601                                 Core\Hook::callAll('init_1');
 602                         }
 603
 604                         if ($this->mode->isNormal() && !$this->mode->isBackend()) {
 605                                 $requester = HTTPSignature::getSigner('', $_SERVER);
 606                                 if (!empty($requester)) {
 607                                         Profile::addVisitorCookieForHandle($requester);
 608                                 }
 609                         }
 610
 611                         // ZRL
 612                         if (!empty($_GET['zrl']) && $this->mode->isNormal() && !$this->mode->isBackend() && !$this->session->getLocalUserId()) {
 613                                 // Only continue when the given profile link seems valid.
 614                                 // Valid profile links contain a path with "/profile/" and no query parameters
 615                                 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == '') &&
 616                                         strpos(parse_url($_GET['zrl'], PHP_URL_PATH) ?? '', '/profile/') !== false) {
 617                                         if ($this->session->get('visitor_home') != $_GET['zrl']) {
 618                                                 $this->session->set('my_url', $_GET['zrl']);
 619                                                 $this->session->set('authenticated', 0);
 620
 621                                                 $remote_contact = Contact::getByURL($_GET['zrl'], false, ['subscribe']);
 622                                                 if (!empty($remote_contact['subscribe'])) {
 623                                                         $_SESSION['remote_comment'] = $remote_contact['subscribe'];
 624                                                 }
 625                                         }
 626
 627                                         Model\Profile::zrlInit($this);
 628                                 } else {
 629                                         // Someone came with an invalid parameter, maybe as a DDoS attempt
 630                                         // We simply stop processing here
 631                                         $this->logger->debug('Invalid ZRL parameter.', ['zrl' => $_GET['zrl']]);
 632                                         throw new HTTPException\ForbiddenException();
 633                                 }
 634                         }
 635
 636                         if (!empty($_GET['owt']) && $this->mode->isNormal()) {
 637                                 $token = $_GET['owt'];
 638                                 Model\Profile::openWebAuthInit($token);
 639                         }
 640
 641                         if (!$this->mode->isBackend()) {
 642                                 $auth->withSession($this);
 643                         }
 644
 645                         if (empty($_SESSION['authenticated'])) {
 646                                 header('X-Account-Management-Status: none');
 647                         }
 648
 649                         /*
 650                          * check_config() is responsible for running update scripts. These automatically
 651                          * update the DB schema whenever we push a new one out. It also checks to see if
 652                          * any addons have been added or removed and reacts accordingly.
 653                          */
 654
 655                         // in install mode, any url loads install module
 656                         // but we need "view" module for stylesheet
 657                         if ($this->mode->isInstall() && $moduleName !== 'install') {
 658                                 $this->baseURL->redirect('install');
 659                         } else {
 660                                 $this->checkURL();
 661                                 Core\Update::check($this->getBasePath(), false);
 662                                 Core\Addon::loadAddons();
 663                                 Core\Hook::loadHooks();
 664                         }
 665
 666                         // Compatibility with the Android Diaspora client
 667                         if ($moduleName == 'stream') {
 668                                 $this->baseURL->redirect('network?order=post');
 669                         }
 670
 671                         if ($moduleName == 'conversations') {
 672                                 $this->baseURL->redirect('message');
 673                         }
 674
 675                         if ($moduleName == 'commented') {
 676                                 $this->baseURL->redirect('network?order=comment');
 677                         }
 678
 679                         if ($moduleName == 'liked') {
 680                                 $this->baseURL->redirect('network?order=comment');
 681                         }
 682
 683                         if ($moduleName == 'activity') {
 684                                 $this->baseURL->redirect('network?conv=1');
 685                         }
 686
 687                         if (($moduleName == 'status_messages') && ($this->args->getCommand() == 'status_messages/new')) {
 688                                 $this->baseURL->redirect('bookmarklet');
 689                         }
 690
 691                         if (($moduleName == 'user') && ($this->args->getCommand() == 'user/edit')) {
 692                                 $this->baseURL->redirect('settings');
 693                         }
 694
 695                         if (($moduleName == 'tag_followings') && ($this->args->getCommand() == 'tag_followings/manage')) {
 696                                 $this->baseURL->redirect('search');
 697                         }
 698
 699                         // Initialize module that can set the current theme in the init() method, either directly or via App->setProfileOwner
 700                         $page['page_title'] = $moduleName;
 701
 702                         // The "view" module is required to show the theme CSS
 703                         if (!$this->mode->isInstall() && !$this->mode->has(App\Mode::MAINTENANCEDISABLED) && $moduleName !== 'view') {
 704                                 $module = $router->getModule(Maintenance::class);
 705                         } else {
 706                                 // determine the module class and save it to the module instance
 707                                 // @todo there's an implicit dependency due SESSION::start(), so it has to be called here (yet)
 708                                 $module = $router->getModule();
 709                         }
 710
 711                         // Processes data from GET requests
 712                         $httpinput = $httpInput->process();
 713                         $input     = array_merge($httpinput['variables'], $httpinput['files'], $request ?? $_REQUEST);
 714
 715                         // Let the module run its internal process (init, get, post, ...)
 716                         $timestamp = microtime(true);
 717                         $response = $module->run($httpException, $input);
 718                         $this->profiler->set(microtime(true) - $timestamp, 'content');
 719                         if ($response->getHeaderLine(ICanCreateResponses::X_HEADER) === ICanCreateResponses::TYPE_HTML) {
 720                                 $page->run($this, $this->baseURL, $this->args, $this->mode, $response, $this->l10n, $this->profiler, $this->config, $pconfig, $nav, $this->session->getLocalUserId());
 721                         } else {
 722                                 $page->exit($response);
 723                         }
 724                 } catch (HTTPException $e) {
 725                         $httpException->rawContent($e);
 726                 }
 727                 $page->logRuntime($this->config, 'runFrontend');
 728         }
 729
 730         /**
 731          * Automatically redirects to relative or absolute URL
 732          * Should only be used if it isn't clear if the URL is either internal or external
 733          *
 734          * @param string $toUrl The target URL
 735          *
 736          * @throws HTTPException\InternalServerErrorException
 737          */
 738         public function redirect(string $toUrl)
 739         {
 740                 if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
 741                         Core\System::externalRedirect($toUrl);
 742                 } else {
 743                         $this->baseURL->redirect($toUrl);
 744                 }
 745         }
 746 }