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