src/App.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2022, 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\Core\Config\Factory\Config;
  29 use Friendica\Core\Session\Capability\IHandleUserSessions;
  30 use Friendica\Model\User;
  31 use Friendica\Module\Maintenance;
  32 use Friendica\Security\Authentication;
  33 use Friendica\Core\Config\ValueObject\Cache;
  34 use Friendica\Core\Config\Capability\IManageConfigValues;
  35 use Friendica\Core\PConfig\Capability\IManagePersonalConfigValues;
  36 use Friendica\Core\L10n;
  37 use Friendica\Core\System;
  38 use Friendica\Core\Theme;
  39 use Friendica\Database\Database;
  40 use Friendica\Model\Contact;
  41 use Friendica\Model\Profile;
  42 use Friendica\Module\Special\HTTPException as ModuleHTTPException;
  43 use Friendica\Network\HTTPException;
  44 use Friendica\Util\DateTimeFormat;
  45 use Friendica\Util\HTTPInputData;
  46 use Friendica\Util\HTTPSignature;
  47 use Friendica\Util\Profiler;
  48 use Friendica\Util\Strings;
  49 use Psr\Log\LoggerInterface;
  50
  51 /**
  52  * Our main application structure for the life of this page.
  53  *
  54  * Primarily deals with the URL that got us here
  55  * and tries to make some sense of it, and
  56  * stores our page contents and config storage
  57  * and anything else that might need to be passed around
  58  * before we spit the page out.
  59  *
  60  */
  61 class App
  62 {
  63         const PLATFORM = 'Friendica';
  64         const CODENAME = 'Giant Rhubarb';
  65         const VERSION  = '2022.12-dev';
  66
  67         // Allow themes to control internal parameters
  68         // by changing App values in theme.php
  69         private $theme_info = [
  70                 'videowidth'        => 425,
  71                 'videoheight'       => 350,
  72                 'events_in_profile' => true
  73         ];
  74
  75         private $user_id       = 0;
  76         private $nickname      = '';
  77         private $timezone      = '';
  78         private $profile_owner = 0;
  79         private $contact_id    = 0;
  80         private $queue         = [];
  81
  82         /**
  83          * @var App\Mode The Mode of the Application
  84          */
  85         private $mode;
  86
  87         /**
  88          * @var BaseURL
  89          */
  90         private $baseURL;
  91
  92         /** @var string The name of the current theme */
  93         private $currentTheme;
  94         /** @var string The name of the current mobile theme */
  95         private $currentMobileTheme;
  96
  97         /**
  98          * @var IManageConfigValues The config
  99          */
 100         private $config;
 101
 102         /**
 103          * @var LoggerInterface The logger
 104          */
 105         private $logger;
 106
 107         /**
 108          * @var Profiler The profiler of this app
 109          */
 110         private $profiler;
 111
 112         /**
 113          * @var Database The Friendica database connection
 114          */
 115         private $database;
 116
 117         /**
 118          * @var L10n The translator
 119          */
 120         private $l10n;
 121
 122         /**
 123          * @var App\Arguments
 124          */
 125         private $args;
 126
 127         /**
 128          * @var IManagePersonalConfigValues
 129          */
 130         private $pConfig;
 131
 132         /**
 133          * @var IHandleUserSessions
 134          */
 135         private $session;
 136
 137         /**
 138          * Set the user ID
 139          *
 140          * @param int $user_id
 141          * @return void
 142          */
 143         public function setLoggedInUserId(int $user_id)
 144         {
 145                 $this->user_id = $user_id;
 146         }
 147
 148         /**
 149          * Set the nickname
 150          *
 151          * @param int $user_id
 152          * @return void
 153          */
 154         public function setLoggedInUserNickname(string $nickname)
 155         {
 156                 $this->nickname = $nickname;
 157         }
 158
 159         public function isLoggedIn(): bool
 160         {
 161                 return $this->session->getLocalUserId() && $this->user_id && ($this->user_id == $this->session->getLocalUserId());
 162         }
 163
 164         /**
 165          * Check if current user has admin role.
 166          *
 167          * @return bool true if user is an admin
 168          * @throws Exception
 169          */
 170         public function isSiteAdmin(): bool
 171         {
 172                 return
 173                         $this->session->getLocalUserId()
 174                         && $this->database->exists('user', [
 175                                 'uid'   => $this->getLoggedInUserId(),
 176                                 'email' => User::getAdminEmailList()
 177                         ]);
 178         }
 179
 180         /**
 181          * Fetch the user id
 182          * @return int User id
 183          */
 184         public function getLoggedInUserId(): int
 185         {
 186                 return $this->user_id;
 187         }
 188
 189         /**
 190          * Fetch the user nick name
 191          * @return string User's nickname
 192          */
 193         public function getLoggedInUserNickname(): string
 194         {
 195                 return $this->nickname;
 196         }
 197
 198         /**
 199          * Set the profile owner ID
 200          *
 201          * @param int $owner_id
 202          * @return void
 203          */
 204         public function setProfileOwner(int $owner_id)
 205         {
 206                 $this->profile_owner = $owner_id;
 207         }
 208
 209         /**
 210          * Get the profile owner ID
 211          *
 212          * @return int
 213          */
 214         public function getProfileOwner(): int
 215         {
 216                 return $this->profile_owner;
 217         }
 218
 219         /**
 220          * Set the contact ID
 221          *
 222          * @param int $contact_id
 223          * @return void
 224          */
 225         public function setContactId(int $contact_id)
 226         {
 227                 $this->contact_id = $contact_id;
 228         }
 229
 230         /**
 231          * Get the contact ID
 232          *
 233          * @return int
 234          */
 235         public function getContactId(): int
 236         {
 237                 return $this->contact_id;
 238         }
 239
 240         /**
 241          * Set the timezone
 242          *
 243          * @param string $timezone A valid time zone identifier, see https://www.php.net/manual/en/timezones.php
 244          * @return void
 245          */
 246         public function setTimeZone(string $timezone)
 247         {
 248                 $this->timezone = (new \DateTimeZone($timezone))->getName();
 249                 DateTimeFormat::setLocalTimeZone($this->timezone);
 250         }
 251
 252         /**
 253          * Get the timezone
 254          *
 255          * @return int
 256          */
 257         public function getTimeZone(): string
 258         {
 259                 return $this->timezone;
 260         }
 261
 262         /**
 263          * Set workerqueue information
 264          *
 265          * @param array $queue
 266          * @return void
 267          */
 268         public function setQueue(array $queue)
 269         {
 270                 $this->queue = $queue;
 271         }
 272
 273         /**
 274          * Fetch workerqueue information
 275          *
 276          * @return array Worker queue
 277          */
 278         public function getQueue(): array
 279         {
 280                 return $this->queue ?? [];
 281         }
 282
 283         /**
 284          * Fetch a specific workerqueue field
 285          *
 286          * @param string $index Work queue record to fetch
 287          * @return mixed Work queue item or NULL if not found
 288          */
 289         public function getQueueValue(string $index)
 290         {
 291                 return $this->queue[$index] ?? null;
 292         }
 293
 294         public function setThemeInfoValue(string $index, $value)
 295         {
 296                 $this->theme_info[$index] = $value;
 297         }
 298
 299         public function getThemeInfo()
 300         {
 301                 return $this->theme_info;
 302         }
 303
 304         public function getThemeInfoValue(string $index, $default = null)
 305         {
 306                 return $this->theme_info[$index] ?? $default;
 307         }
 308
 309         /**
 310          * Returns the current config cache of this node
 311          *
 312          * @return Cache
 313          */
 314         public function getConfigCache()
 315         {
 316                 return $this->config->getCache();
 317         }
 318
 319         /**
 320          * The basepath of this app
 321          *
 322          * @return string Base path from configuration
 323          */
 324         public function getBasePath(): string
 325         {
 326                 // Don't use the basepath of the config table for basepath (it should always be the config-file one)
 327                 return $this->config->getCache()->get('system', 'basepath');
 328         }
 329
 330         /**
 331          * @param Database                    $database The Friendica Database
 332          * @param IManageConfigValues         $config   The Configuration
 333          * @param App\Mode                    $mode     The mode of this Friendica app
 334          * @param BaseURL                     $baseURL  The full base URL of this Friendica app
 335          * @param LoggerInterface             $logger   The current app logger
 336          * @param Profiler                    $profiler The profiler of this application
 337          * @param L10n                        $l10n     The translator instance
 338          * @param App\Arguments               $args     The Friendica Arguments of the call
 339          * @param IManagePersonalConfigValues $pConfig  Personal configuration
 340          * @param IHandleUserSessions         $session  The (User)Session handler
 341          */
 342         public function __construct(Database $database, IManageConfigValues $config, App\Mode $mode, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, L10n $l10n, Arguments $args, IManagePersonalConfigValues $pConfig, IHandleUserSessions $session)
 343         {
 344                 $this->database = $database;
 345                 $this->config   = $config;
 346                 $this->mode     = $mode;
 347                 $this->baseURL  = $baseURL;
 348                 $this->profiler = $profiler;
 349                 $this->logger   = $logger;
 350                 $this->l10n     = $l10n;
 351                 $this->args     = $args;
 352                 $this->pConfig  = $pConfig;
 353                 $this->session  = $session;
 354
 355                 $this->load();
 356         }
 357
 358         /**
 359          * Load the whole app instance
 360          */
 361         public function load()
 362         {
 363                 set_time_limit(0);
 364
 365                 // Normally this constant is defined - but not if "pcntl" isn't installed
 366                 if (!defined('SIGTERM')) {
 367                         define('SIGTERM', 15);
 368                 }
 369
 370                 // Ensure that all "strtotime" operations do run timezone independent
 371                 date_default_timezone_set('UTC');
 372
 373                 // This has to be quite large to deal with embedded private photos
 374                 ini_set('pcre.backtrack_limit', 500000);
 375
 376                 set_include_path(
 377                         get_include_path() . PATH_SEPARATOR
 378                         . $this->getBasePath() . DIRECTORY_SEPARATOR . 'include' . PATH_SEPARATOR
 379                         . $this->getBasePath() . DIRECTORY_SEPARATOR . 'library' . PATH_SEPARATOR
 380                         . $this->getBasePath());
 381
 382                 $this->profiler->reset();
 383
 384                 if ($this->mode->has(App\Mode::DBAVAILABLE)) {
 385                         $this->profiler->update($this->config);
 386
 387                         Core\Hook::loadHooks();
 388                         $loader = (new Config())->createConfigFileLoader($this->getBasePath(), $_SERVER);
 389                         Core\Hook::callAll('load_config', $loader);
 390                 }
 391
 392                 $this->loadDefaultTimezone();
 393                 // Register template engines
 394                 Core\Renderer::registerTemplateEngine('Friendica\Render\FriendicaSmartyEngine');
 395         }
 396
 397         /**
 398          * Loads the default timezone
 399          *
 400          * Include support for legacy $default_timezone
 401          *
 402          * @global string $default_timezone
 403          */
 404         private function loadDefaultTimezone()
 405         {
 406                 if ($this->config->get('system', 'default_timezone')) {
 407                         $timezone = $this->config->get('system', 'default_timezone', 'UTC');
 408                 } else {
 409                         global $default_timezone;
 410                         $timezone = $default_timezone ?? '' ?: 'UTC';
 411                 }
 412
 413                 $this->setTimeZone($timezone);
 414         }
 415
 416         /**
 417          * Returns the current theme name. May be overriden by the mobile theme name.
 418          *
 419          * @return string Current theme name or empty string in installation phase
 420          * @throws Exception
 421          */
 422         public function getCurrentTheme(): string
 423         {
 424                 if ($this->mode->isInstall()) {
 425                         return '';
 426                 }
 427
 428                 // Specific mobile theme override
 429                 if (($this->mode->isMobile() || $this->mode->isTablet()) && $this->session->get('show-mobile', true)) {
 430                         $user_mobile_theme = $this->getCurrentMobileTheme();
 431
 432                         // --- means same mobile theme as desktop
 433                         if (!empty($user_mobile_theme) && $user_mobile_theme !== '---') {
 434                                 return $user_mobile_theme;
 435                         }
 436                 }
 437
 438                 if (!$this->currentTheme) {
 439                         $this->computeCurrentTheme();
 440                 }
 441
 442                 return $this->currentTheme;
 443         }
 444
 445         /**
 446          * Returns the current mobile theme name.
 447          *
 448          * @return string Mobile theme name or empty string if installer
 449          * @throws Exception
 450          */
 451         public function getCurrentMobileTheme(): string
 452         {
 453                 if ($this->mode->isInstall()) {
 454                         return '';
 455                 }
 456
 457                 if (is_null($this->currentMobileTheme)) {
 458                         $this->computeCurrentMobileTheme();
 459                 }
 460
 461                 return $this->currentMobileTheme;
 462         }
 463
 464         /**
 465          * Setter for current theme name
 466          *
 467          * @param string $theme Name of current theme
 468          */
 469         public function setCurrentTheme(string $theme)
 470         {
 471                 $this->currentTheme = $theme;
 472         }
 473
 474         /**
 475          * Setter for current mobile theme name
 476          *
 477          * @param string $theme Name of current mobile theme
 478          */
 479         public function setCurrentMobileTheme(string $theme)
 480         {
 481                 $this->currentMobileTheme = $theme;
 482         }
 483
 484         /**
 485          * Computes the current theme name based on the node settings, the page owner settings and the user settings
 486          *
 487          * @throws Exception
 488          */
 489         private function computeCurrentTheme()
 490         {
 491                 $system_theme = $this->config->get('system', 'theme');
 492                 if (!$system_theme) {
 493                         throw new Exception($this->l10n->t('No system theme config value set.'));
 494                 }
 495
 496                 // Sane default
 497                 $this->setCurrentTheme($system_theme);
 498
 499                 $page_theme = null;
 500                 // Find the theme that belongs to the user whose stuff we are looking at
 501                 if (!empty($this->profile_owner) && ($this->profile_owner != $this->session->getLocalUserId())) {
 502                         // Allow folks to override user themes and always use their own on their own site.
 503                         // This works only if the user is on the same server
 504                         $user = $this->database->selectFirst('user', ['theme'], ['uid' => $this->profile_owner]);
 505                         if ($this->database->isResult($user) && !$this->session->getLocalUserId()) {
 506                                 $page_theme = $user['theme'];
 507                         }
 508                 }
 509
 510                 $theme_name = $page_theme ?: $this->session->get('theme', $system_theme);
 511
 512                 $theme_name = Strings::sanitizeFilePathItem($theme_name);
 513                 if ($theme_name
 514                     && in_array($theme_name, Theme::getAllowedList())
 515                     && (file_exists('view/theme/' . $theme_name . '/style.css')
 516                         || file_exists('view/theme/' . $theme_name . '/style.php'))
 517                 ) {
 518                         $this->setCurrentTheme($theme_name);
 519                 }
 520         }
 521
 522         /**
 523          * Computes the current mobile theme name based on the node settings, the page owner settings and the user settings
 524          */
 525         private function computeCurrentMobileTheme()
 526         {
 527                 $system_mobile_theme = $this->config->get('system', 'mobile-theme', '');
 528
 529                 // Sane default
 530                 $this->setCurrentMobileTheme($system_mobile_theme);
 531
 532                 $page_mobile_theme = null;
 533                 // Find the theme that belongs to the user whose stuff we are looking at
 534                 if (!empty($this->profile_owner) && ($this->profile_owner != $this->session->getLocalUserId())) {
 535                         // Allow folks to override user themes and always use their own on their own site.
 536                         // This works only if the user is on the same server
 537                         if (!$this->session->getLocalUserId()) {
 538                                 $page_mobile_theme = $this->pConfig->get($this->profile_owner, 'system', 'mobile-theme');
 539                         }
 540                 }
 541
 542                 $mobile_theme_name = $page_mobile_theme ?: $this->session->get('mobile-theme', $system_mobile_theme);
 543
 544                 $mobile_theme_name = Strings::sanitizeFilePathItem($mobile_theme_name);
 545                 if ($mobile_theme_name == '---'
 546                         ||
 547                         in_array($mobile_theme_name, Theme::getAllowedList())
 548                         && (file_exists('view/theme/' . $mobile_theme_name . '/style.css')
 549                                 || file_exists('view/theme/' . $mobile_theme_name . '/style.php'))
 550                 ) {
 551                         $this->setCurrentMobileTheme($mobile_theme_name);
 552                 }
 553         }
 554
 555         /**
 556          * Provide a sane default if nothing is chosen or the specified theme does not exist.
 557          *
 558          * @return string Current theme's stylsheet path
 559          * @throws Exception
 560          */
 561         public function getCurrentThemeStylesheetPath(): string
 562         {
 563                 return Core\Theme::getStylesheetPath($this->getCurrentTheme());
 564         }
 565
 566         /**
 567          * Sets the base url for use in cmdline programs which don't have
 568          * $_SERVER variables
 569          */
 570         public function checkURL()
 571         {
 572                 $url = $this->config->get('system', 'url');
 573
 574                 // if the url isn't set or the stored url is radically different
 575                 // than the currently visited url, store the current value accordingly.
 576                 // "Radically different" ignores common variations such as http vs https
 577                 // and www.example.com vs example.com.
 578                 // We will only change the url to an ip address if there is no existing setting
 579
 580                 if (empty($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()))) {
 581                         $this->config->set('system', 'url', $this->baseURL->get());
 582                 }
 583         }
 584
 585         /**
 586          * Frontend App script
 587          *
 588          * The App object behaves like a container and a dispatcher at the same time, including a representation of the
 589          * request and a representation of the response.
 590          *
 591          * This probably should change to limit the size of this monster method.
 592          *
 593          * @param App\Router                  $router
 594          * @param IManagePersonalConfigValues $pconfig
 595          * @param Authentication              $auth       The Authentication backend of the node
 596          * @param App\Page                    $page       The Friendica page printing container
 597          * @param HTTPInputData               $httpInput  A library for processing PHP input streams
 598          * @param float                       $start_time The start time of the overall script execution
 599          *
 600          * @throws HTTPException\InternalServerErrorException
 601          * @throws \ImagickException
 602          */
 603         public function runFrontend(App\Router $router, IManagePersonalConfigValues $pconfig, Authentication $auth, App\Page $page, HTTPInputData $httpInput, float $start_time)
 604         {
 605                 $this->profiler->set($start_time, 'start');
 606                 $this->profiler->set(microtime(true), 'classinit');
 607
 608                 $moduleName = $this->args->getModuleName();
 609                 $page->setLogging($this->args->getMethod(), $this->args->getModuleName(), $this->args->getCommand());
 610
 611                 try {
 612                         // Missing DB connection: ERROR
 613                         if ($this->mode->has(App\Mode::LOCALCONFIGPRESENT) && !$this->mode->has(App\Mode::DBAVAILABLE)) {
 614                                 throw new HTTPException\InternalServerErrorException($this->l10n->t('Apologies but the website is unavailable at the moment.'));
 615                         }
 616
 617                         if (!$this->mode->isInstall()) {
 618                                 // Force SSL redirection
 619                                 if ($this->baseURL->checkRedirectHttps()) {
 620                                         System::externalRedirect($this->baseURL->get() . '/' . $this->args->getQueryString());
 621                                 }
 622
 623                                 Core\Hook::callAll('init_1');
 624                         }
 625
 626                         if ($this->mode->isNormal() && !$this->mode->isBackend()) {
 627                                 $requester = HTTPSignature::getSigner('', $_SERVER);
 628                                 if (!empty($requester)) {
 629                                         Profile::addVisitorCookieForHandle($requester);
 630                                 }
 631                         }
 632
 633                         // ZRL
 634                         if (!empty($_GET['zrl']) && $this->mode->isNormal() && !$this->mode->isBackend() && !$this->session->getLocalUserId()) {
 635                                 // Only continue when the given profile link seems valid
 636                                 // Valid profile links contain a path with "/profile/" and no query parameters
 637                                 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == '') &&
 638                                         strstr(parse_url($_GET['zrl'], PHP_URL_PATH), '/profile/')) {
 639                                         if ($this->session->get('visitor_home') != $_GET['zrl']) {
 640                                                 $this->session->set('my_url', $_GET['zrl']);
 641                                                 $this->session->set('authenticated', 0);
 642
 643                                                 $remote_contact = Contact::getByURL($_GET['zrl'], false, ['subscribe']);
 644                                                 if (!empty($remote_contact['subscribe'])) {
 645                                                         $_SESSION['remote_comment'] = $remote_contact['subscribe'];
 646                                                 }
 647                                         }
 648
 649                                         Model\Profile::zrlInit($this);
 650                                 } else {
 651                                         // Someone came with an invalid parameter, maybe as a DDoS attempt
 652                                         // We simply stop processing here
 653                                         $this->logger->debug('Invalid ZRL parameter.', ['zrl' => $_GET['zrl']]);
 654                                         throw new HTTPException\ForbiddenException();
 655                                 }
 656                         }
 657
 658                         if (!empty($_GET['owt']) && $this->mode->isNormal()) {
 659                                 $token = $_GET['owt'];
 660                                 Model\Profile::openWebAuthInit($token);
 661                         }
 662
 663                         if (!$this->mode->isBackend()) {
 664                                 $auth->withSession($this);
 665                         }
 666
 667                         if (empty($_SESSION['authenticated'])) {
 668                                 header('X-Account-Management-Status: none');
 669                         }
 670
 671                         /*
 672                          * check_config() is responsible for running update scripts. These automatically
 673                          * update the DB schema whenever we push a new one out. It also checks to see if
 674                          * any addons have been added or removed and reacts accordingly.
 675                          */
 676
 677                         // in install mode, any url loads install module
 678                         // but we need "view" module for stylesheet
 679                         if ($this->mode->isInstall() && $moduleName !== 'install') {
 680                                 $this->baseURL->redirect('install');
 681                         } else {
 682                                 $this->checkURL();
 683                                 Core\Update::check($this->getBasePath(), false, $this->mode);
 684                                 Core\Addon::loadAddons();
 685                                 Core\Hook::loadHooks();
 686                         }
 687
 688                         // Compatibility with the Android Diaspora client
 689                         if ($moduleName == 'stream') {
 690                                 $this->baseURL->redirect('network?order=post');
 691                         }
 692
 693                         if ($moduleName == 'conversations') {
 694                                 $this->baseURL->redirect('message');
 695                         }
 696
 697                         if ($moduleName == 'commented') {
 698                                 $this->baseURL->redirect('network?order=comment');
 699                         }
 700
 701                         if ($moduleName == 'liked') {
 702                                 $this->baseURL->redirect('network?order=comment');
 703                         }
 704
 705                         if ($moduleName == 'activity') {
 706                                 $this->baseURL->redirect('network?conv=1');
 707                         }
 708
 709                         if (($moduleName == 'status_messages') && ($this->args->getCommand() == 'status_messages/new')) {
 710                                 $this->baseURL->redirect('bookmarklet');
 711                         }
 712
 713                         if (($moduleName == 'user') && ($this->args->getCommand() == 'user/edit')) {
 714                                 $this->baseURL->redirect('settings');
 715                         }
 716
 717                         if (($moduleName == 'tag_followings') && ($this->args->getCommand() == 'tag_followings/manage')) {
 718                                 $this->baseURL->redirect('search');
 719                         }
 720
 721                         // Initialize module that can set the current theme in the init() method, either directly or via App->setProfileOwner
 722                         $page['page_title'] = $moduleName;
 723
 724                         // The "view" module is required to show the theme CSS
 725                         if (!$this->mode->isInstall() && !$this->mode->has(App\Mode::MAINTENANCEDISABLED) && $moduleName !== 'view') {
 726                                 $module = $router->getModule(Maintenance::class);
 727                         } else {
 728                                 // determine the module class and save it to the module instance
 729                                 // @todo there's an implicit dependency due SESSION::start(), so it has to be called here (yet)
 730                                 $module = $router->getModule();
 731                         }
 732
 733                         // Processes data from GET requests
 734                         $httpinput = $httpInput->process();
 735                         $input     = array_merge($httpinput['variables'], $httpinput['files'], $request ?? $_REQUEST);
 736
 737                         // Let the module run it's internal process (init, get, post, ...)
 738                         $timestamp = microtime(true);
 739                         $response = $module->run($input);
 740                         $this->profiler->set(microtime(true) - $timestamp, 'content');
 741                         if ($response->getHeaderLine(ICanCreateResponses::X_HEADER) === ICanCreateResponses::TYPE_HTML) {
 742                                 $page->run($this, $this->baseURL, $this->args, $this->mode, $response, $this->l10n, $this->profiler, $this->config, $pconfig, $this->session->getLocalUserId());
 743                         } else {
 744                                 $page->exit($response);
 745                         }
 746                 } catch (HTTPException $e) {
 747                         (new ModuleHTTPException())->rawContent($e);
 748                 }
 749                 $page->logRuntime($this->config, 'runFrontend');
 750         }
 751
 752         /**
 753          * Automatically redirects to relative or absolute URL
 754          * Should only be used if it isn't clear if the URL is either internal or external
 755          *
 756          * @param string $toUrl The target URL
 757          *
 758          * @throws HTTPException\InternalServerErrorException
 759          */
 760         public function redirect(string $toUrl)
 761         {
 762                 if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
 763                         Core\System::externalRedirect($toUrl);
 764                 } else {
 765                         $this->baseURL->redirect($toUrl);
 766                 }
 767         }
 768 }