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\IHandleSessions;
  30 use Friendica\Core\Session\Capability\IHandleUserSessions;
  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 IHandleSessions
 134          */
 135         private $session;
 136
 137         /**
 138          * @var IHandleUserSessions
 139          */
 140         private $userSession;
 141
 142         /**
 143          * Set the user ID
 144          *
 145          * @param int $user_id
 146          * @return void
 147          */
 148         public function setLoggedInUserId(int $user_id)
 149         {
 150                 $this->user_id = $user_id;
 151         }
 152
 153         /**
 154          * Set the nickname
 155          *
 156          * @param int $user_id
 157          * @return void
 158          */
 159         public function setLoggedInUserNickname(string $nickname)
 160         {
 161                 $this->nickname = $nickname;
 162         }
 163
 164         public function isLoggedIn(): bool
 165         {
 166                 return $this->userSession->getLocalUserId() && $this->user_id && ($this->user_id == $this->userSession->getLocalUserId());
 167         }
 168
 169         /**
 170          * Check if current user has admin role.
 171          *
 172          * @return bool true if user is an admin
 173          */
 174         public function isSiteAdmin(): bool
 175         {
 176                 $admin_email = $this->config->get('config', 'admin_email');
 177
 178                 $adminlist = explode(',', str_replace(' ', '', $admin_email));
 179
 180                 return $this->userSession->getLocalUserId() && $admin_email && $this->database->exists('user', ['uid' => $this->getLoggedInUserId(), 'email' => $adminlist]);
 181         }
 182
 183         /**
 184          * Fetch the user id
 185          * @return int User id
 186          */
 187         public function getLoggedInUserId(): int
 188         {
 189                 return $this->user_id;
 190         }
 191
 192         /**
 193          * Fetch the user nick name
 194          * @return string User's nickname
 195          */
 196         public function getLoggedInUserNickname(): string
 197         {
 198                 return $this->nickname;
 199         }
 200
 201         /**
 202          * Set the profile owner ID
 203          *
 204          * @param int $owner_id
 205          * @return void
 206          */
 207         public function setProfileOwner(int $owner_id)
 208         {
 209                 $this->profile_owner = $owner_id;
 210         }
 211
 212         /**
 213          * Get the profile owner ID
 214          *
 215          * @return int
 216          */
 217         public function getProfileOwner(): int
 218         {
 219                 return $this->profile_owner;
 220         }
 221
 222         /**
 223          * Set the contact ID
 224          *
 225          * @param int $contact_id
 226          * @return void
 227          */
 228         public function setContactId(int $contact_id)
 229         {
 230                 $this->contact_id = $contact_id;
 231         }
 232
 233         /**
 234          * Get the contact ID
 235          *
 236          * @return int
 237          */
 238         public function getContactId(): int
 239         {
 240                 return $this->contact_id;
 241         }
 242
 243         /**
 244          * Set the timezone
 245          *
 246          * @param string $timezone A valid time zone identifier, see https://www.php.net/manual/en/timezones.php
 247          * @return void
 248          */
 249         public function setTimeZone(string $timezone)
 250         {
 251                 $this->timezone = (new \DateTimeZone($timezone))->getName();
 252                 DateTimeFormat::setLocalTimeZone($this->timezone);
 253         }
 254
 255         /**
 256          * Get the timezone
 257          *
 258          * @return int
 259          */
 260         public function getTimeZone(): string
 261         {
 262                 return $this->timezone;
 263         }
 264
 265         /**
 266          * Set workerqueue information
 267          *
 268          * @param array $queue
 269          * @return void
 270          */
 271         public function setQueue(array $queue)
 272         {
 273                 $this->queue = $queue;
 274         }
 275
 276         /**
 277          * Fetch workerqueue information
 278          *
 279          * @return array Worker queue
 280          */
 281         public function getQueue(): array
 282         {
 283                 return $this->queue ?? [];
 284         }
 285
 286         /**
 287          * Fetch a specific workerqueue field
 288          *
 289          * @param string $index Work queue record to fetch
 290          * @return mixed Work queue item or NULL if not found
 291          */
 292         public function getQueueValue(string $index)
 293         {
 294                 return $this->queue[$index] ?? null;
 295         }
 296
 297         public function setThemeInfoValue(string $index, $value)
 298         {
 299                 $this->theme_info[$index] = $value;
 300         }
 301
 302         public function getThemeInfo()
 303         {
 304                 return $this->theme_info;
 305         }
 306
 307         public function getThemeInfoValue(string $index, $default = null)
 308         {
 309                 return $this->theme_info[$index] ?? $default;
 310         }
 311
 312         /**
 313          * Returns the current config cache of this node
 314          *
 315          * @return Cache
 316          */
 317         public function getConfigCache()
 318         {
 319                 return $this->config->getCache();
 320         }
 321
 322         /**
 323          * The basepath of this app
 324          *
 325          * @return string Base path from configuration
 326          */
 327         public function getBasePath(): string
 328         {
 329                 // Don't use the basepath of the config table for basepath (it should always be the config-file one)
 330                 return $this->config->getCache()->get('system', 'basepath');
 331         }
 332
 333         /**
 334          * @param Database                    $database The Friendica Database
 335          * @param IManageConfigValues         $config   The Configuration
 336          * @param App\Mode                    $mode     The mode of this Friendica app
 337          * @param BaseURL                     $baseURL  The full base URL of this Friendica app
 338          * @param LoggerInterface             $logger   The current app logger
 339          * @param Profiler                    $profiler The profiler of this application
 340          * @param L10n                        $l10n     The translator instance
 341          * @param App\Arguments               $args     The Friendica Arguments of the call
 342          * @param IManagePersonalConfigValues $pConfig  Personal configuration
 343          * @param IHandleSessions             $session  The Session handler
 344          */
 345         public function __construct(Database $database, IManageConfigValues $config, App\Mode $mode, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, L10n $l10n, Arguments $args, IManagePersonalConfigValues $pConfig, IHandleSessions $session, IHandleUserSessions $userSession)
 346         {
 347                 $this->database    = $database;
 348                 $this->config      = $config;
 349                 $this->mode        = $mode;
 350                 $this->baseURL     = $baseURL;
 351                 $this->profiler    = $profiler;
 352                 $this->logger      = $logger;
 353                 $this->l10n        = $l10n;
 354                 $this->args        = $args;
 355                 $this->pConfig     = $pConfig;
 356                 $this->session     = $session;
 357                 $this->userSession = $userSession;
 358
 359                 $this->load();
 360         }
 361
 362         /**
 363          * Load the whole app instance
 364          */
 365         public function load()
 366         {
 367                 set_time_limit(0);
 368
 369                 // Normally this constant is defined - but not if "pcntl" isn't installed
 370                 if (!defined('SIGTERM')) {
 371                         define('SIGTERM', 15);
 372                 }
 373
 374                 // Ensure that all "strtotime" operations do run timezone independent
 375                 date_default_timezone_set('UTC');
 376
 377                 // This has to be quite large to deal with embedded private photos
 378                 ini_set('pcre.backtrack_limit', 500000);
 379
 380                 set_include_path(
 381                         get_include_path() . PATH_SEPARATOR
 382                         . $this->getBasePath() . DIRECTORY_SEPARATOR . 'include' . PATH_SEPARATOR
 383                         . $this->getBasePath() . DIRECTORY_SEPARATOR . 'library' . PATH_SEPARATOR
 384                         . $this->getBasePath());
 385
 386                 $this->profiler->reset();
 387
 388                 if ($this->mode->has(App\Mode::DBAVAILABLE)) {
 389                         $this->profiler->update($this->config);
 390
 391                         Core\Hook::loadHooks();
 392                         $loader = (new Config())->createConfigFileLoader($this->getBasePath(), $_SERVER);
 393                         Core\Hook::callAll('load_config', $loader);
 394                 }
 395
 396                 $this->loadDefaultTimezone();
 397                 // Register template engines
 398                 Core\Renderer::registerTemplateEngine('Friendica\Render\FriendicaSmartyEngine');
 399         }
 400
 401         /**
 402          * Loads the default timezone
 403          *
 404          * Include support for legacy $default_timezone
 405          *
 406          * @global string $default_timezone
 407          */
 408         private function loadDefaultTimezone()
 409         {
 410                 if ($this->config->get('system', 'default_timezone')) {
 411                         $timezone = $this->config->get('system', 'default_timezone', 'UTC');
 412                 } else {
 413                         global $default_timezone;
 414                         $timezone = $default_timezone ?? '' ?: 'UTC';
 415                 }
 416
 417                 $this->setTimeZone($timezone);
 418         }
 419
 420         /**
 421          * Returns the current theme name. May be overriden by the mobile theme name.
 422          *
 423          * @return string Current theme name or empty string in installation phase
 424          * @throws Exception
 425          */
 426         public function getCurrentTheme(): string
 427         {
 428                 if ($this->mode->isInstall()) {
 429                         return '';
 430                 }
 431
 432                 // Specific mobile theme override
 433                 if (($this->mode->isMobile() || $this->mode->isTablet()) && $this->session->get('show-mobile', true)) {
 434                         $user_mobile_theme = $this->getCurrentMobileTheme();
 435
 436                         // --- means same mobile theme as desktop
 437                         if (!empty($user_mobile_theme) && $user_mobile_theme !== '---') {
 438                                 return $user_mobile_theme;
 439                         }
 440                 }
 441
 442                 if (!$this->currentTheme) {
 443                         $this->computeCurrentTheme();
 444                 }
 445
 446                 return $this->currentTheme;
 447         }
 448
 449         /**
 450          * Returns the current mobile theme name.
 451          *
 452          * @return string Mobile theme name or empty string if installer
 453          * @throws Exception
 454          */
 455         public function getCurrentMobileTheme(): string
 456         {
 457                 if ($this->mode->isInstall()) {
 458                         return '';
 459                 }
 460
 461                 if (is_null($this->currentMobileTheme)) {
 462                         $this->computeCurrentMobileTheme();
 463                 }
 464
 465                 return $this->currentMobileTheme;
 466         }
 467
 468         /**
 469          * Setter for current theme name
 470          *
 471          * @param string $theme Name of current theme
 472          */
 473         public function setCurrentTheme(string $theme)
 474         {
 475                 $this->currentTheme = $theme;
 476         }
 477
 478         /**
 479          * Setter for current mobile theme name
 480          *
 481          * @param string $theme Name of current mobile theme
 482          */
 483         public function setCurrentMobileTheme(string $theme)
 484         {
 485                 $this->currentMobileTheme = $theme;
 486         }
 487
 488         /**
 489          * Computes the current theme name based on the node settings, the page owner settings and the user settings
 490          *
 491          * @throws Exception
 492          */
 493         private function computeCurrentTheme()
 494         {
 495                 $system_theme = $this->config->get('system', 'theme');
 496                 if (!$system_theme) {
 497                         throw new Exception($this->l10n->t('No system theme config value set.'));
 498                 }
 499
 500                 // Sane default
 501                 $this->setCurrentTheme($system_theme);
 502
 503                 $page_theme = null;
 504                 // Find the theme that belongs to the user whose stuff we are looking at
 505                 if (!empty($this->profile_owner) && ($this->profile_owner != $this->userSession->getLocalUserId())) {
 506                         // Allow folks to override user themes and always use their own on their own site.
 507                         // This works only if the user is on the same server
 508                         $user = $this->database->selectFirst('user', ['theme'], ['uid' => $this->profile_owner]);
 509                         if ($this->database->isResult($user) && !$this->userSession->getLocalUserId()) {
 510                                 $page_theme = $user['theme'];
 511                         }
 512                 }
 513
 514                 $theme_name = $page_theme ?: $this->session->get('theme', $system_theme);
 515
 516                 $theme_name = Strings::sanitizeFilePathItem($theme_name);
 517                 if ($theme_name
 518                     && in_array($theme_name, Theme::getAllowedList())
 519                     && (file_exists('view/theme/' . $theme_name . '/style.css')
 520                         || file_exists('view/theme/' . $theme_name . '/style.php'))
 521                 ) {
 522                         $this->setCurrentTheme($theme_name);
 523                 }
 524         }
 525
 526         /**
 527          * Computes the current mobile theme name based on the node settings, the page owner settings and the user settings
 528          */
 529         private function computeCurrentMobileTheme()
 530         {
 531                 $system_mobile_theme = $this->config->get('system', 'mobile-theme', '');
 532
 533                 // Sane default
 534                 $this->setCurrentMobileTheme($system_mobile_theme);
 535
 536                 $page_mobile_theme = null;
 537                 // Find the theme that belongs to the user whose stuff we are looking at
 538                 if (!empty($this->profile_owner) && ($this->profile_owner != $this->userSession->getLocalUserId())) {
 539                         // Allow folks to override user themes and always use their own on their own site.
 540                         // This works only if the user is on the same server
 541                         if (!$this->userSession->getLocalUserId()) {
 542                                 $page_mobile_theme = $this->pConfig->get($this->profile_owner, 'system', 'mobile-theme');
 543                         }
 544                 }
 545
 546                 $mobile_theme_name = $page_mobile_theme ?: $this->session->get('mobile-theme', $system_mobile_theme);
 547
 548                 $mobile_theme_name = Strings::sanitizeFilePathItem($mobile_theme_name);
 549                 if ($mobile_theme_name == '---'
 550                         ||
 551                         in_array($mobile_theme_name, Theme::getAllowedList())
 552                         && (file_exists('view/theme/' . $mobile_theme_name . '/style.css')
 553                                 || file_exists('view/theme/' . $mobile_theme_name . '/style.php'))
 554                 ) {
 555                         $this->setCurrentMobileTheme($mobile_theme_name);
 556                 }
 557         }
 558
 559         /**
 560          * Provide a sane default if nothing is chosen or the specified theme does not exist.
 561          *
 562          * @return string Current theme's stylsheet path
 563          * @throws Exception
 564          */
 565         public function getCurrentThemeStylesheetPath(): string
 566         {
 567                 return Core\Theme::getStylesheetPath($this->getCurrentTheme());
 568         }
 569
 570         /**
 571          * Sets the base url for use in cmdline programs which don't have
 572          * $_SERVER variables
 573          */
 574         public function checkURL()
 575         {
 576                 $url = $this->config->get('system', 'url');
 577
 578                 // if the url isn't set or the stored url is radically different
 579                 // than the currently visited url, store the current value accordingly.
 580                 // "Radically different" ignores common variations such as http vs https
 581                 // and www.example.com vs example.com.
 582                 // We will only change the url to an ip address if there is no existing setting
 583
 584                 if (empty($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()))) {
 585                         $this->config->set('system', 'url', $this->baseURL->get());
 586                 }
 587         }
 588
 589         /**
 590          * Frontend App script
 591          *
 592          * The App object behaves like a container and a dispatcher at the same time, including a representation of the
 593          * request and a representation of the response.
 594          *
 595          * This probably should change to limit the size of this monster method.
 596          *
 597          * @param App\Router                  $router
 598          * @param IManagePersonalConfigValues $pconfig
 599          * @param Authentication              $auth       The Authentication backend of the node
 600          * @param App\Page                    $page       The Friendica page printing container
 601          * @param HTTPInputData               $httpInput  A library for processing PHP input streams
 602          * @param float                       $start_time The start time of the overall script execution
 603          *
 604          * @throws HTTPException\InternalServerErrorException
 605          * @throws \ImagickException
 606          */
 607         public function runFrontend(App\Router $router, IManagePersonalConfigValues $pconfig, Authentication $auth, App\Page $page, HTTPInputData $httpInput, float $start_time)
 608         {
 609                 $this->profiler->set($start_time, 'start');
 610                 $this->profiler->set(microtime(true), 'classinit');
 611
 612                 $moduleName = $this->args->getModuleName();
 613                 $page->setLogging($this->args->getMethod(), $this->args->getModuleName(), $this->args->getCommand());
 614
 615                 try {
 616                         // Missing DB connection: ERROR
 617                         if ($this->mode->has(App\Mode::LOCALCONFIGPRESENT) && !$this->mode->has(App\Mode::DBAVAILABLE)) {
 618                                 throw new HTTPException\InternalServerErrorException($this->l10n->t('Apologies but the website is unavailable at the moment.'));
 619                         }
 620
 621                         if (!$this->mode->isInstall()) {
 622                                 // Force SSL redirection
 623                                 if ($this->baseURL->checkRedirectHttps()) {
 624                                         System::externalRedirect($this->baseURL->get() . '/' . $this->args->getQueryString());
 625                                 }
 626
 627                                 Core\Hook::callAll('init_1');
 628                         }
 629
 630                         if ($this->mode->isNormal() && !$this->mode->isBackend()) {
 631                                 $requester = HTTPSignature::getSigner('', $_SERVER);
 632                                 if (!empty($requester)) {
 633                                         Profile::addVisitorCookieForHandle($requester);
 634                                 }
 635                         }
 636
 637                         // ZRL
 638                         if (!empty($_GET['zrl']) && $this->mode->isNormal() && !$this->mode->isBackend() && !$this->userSession->getLocalUserId()) {
 639                                 // Only continue when the given profile link seems valid
 640                                 // Valid profile links contain a path with "/profile/" and no query parameters
 641                                 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == '') &&
 642                                         strstr(parse_url($_GET['zrl'], PHP_URL_PATH), '/profile/')) {
 643                                         if ($this->session->get('visitor_home') != $_GET['zrl']) {
 644                                                 $this->session->set('my_url', $_GET['zrl']);
 645                                                 $this->session->set('authenticated', 0);
 646
 647                                                 $remote_contact = Contact::getByURL($_GET['zrl'], false, ['subscribe']);
 648                                                 if (!empty($remote_contact['subscribe'])) {
 649                                                         $_SESSION['remote_comment'] = $remote_contact['subscribe'];
 650                                                 }
 651                                         }
 652
 653                                         Model\Profile::zrlInit($this);
 654                                 } else {
 655                                         // Someone came with an invalid parameter, maybe as a DDoS attempt
 656                                         // We simply stop processing here
 657                                         $this->logger->debug('Invalid ZRL parameter.', ['zrl' => $_GET['zrl']]);
 658                                         throw new HTTPException\ForbiddenException();
 659                                 }
 660                         }
 661
 662                         if (!empty($_GET['owt']) && $this->mode->isNormal()) {
 663                                 $token = $_GET['owt'];
 664                                 Model\Profile::openWebAuthInit($token);
 665                         }
 666
 667                         if (!$this->mode->isBackend()) {
 668                                 $auth->withSession($this);
 669                         }
 670
 671                         if (empty($_SESSION['authenticated'])) {
 672                                 header('X-Account-Management-Status: none');
 673                         }
 674
 675                         /*
 676                          * check_config() is responsible for running update scripts. These automatically
 677                          * update the DB schema whenever we push a new one out. It also checks to see if
 678                          * any addons have been added or removed and reacts accordingly.
 679                          */
 680
 681                         // in install mode, any url loads install module
 682                         // but we need "view" module for stylesheet
 683                         if ($this->mode->isInstall() && $moduleName !== 'install') {
 684                                 $this->baseURL->redirect('install');
 685                         } else {
 686                                 $this->checkURL();
 687                                 Core\Update::check($this->getBasePath(), false, $this->mode);
 688                                 Core\Addon::loadAddons();
 689                                 Core\Hook::loadHooks();
 690                         }
 691
 692                         // Compatibility with the Android Diaspora client
 693                         if ($moduleName == 'stream') {
 694                                 $this->baseURL->redirect('network?order=post');
 695                         }
 696
 697                         if ($moduleName == 'conversations') {
 698                                 $this->baseURL->redirect('message');
 699                         }
 700
 701                         if ($moduleName == 'commented') {
 702                                 $this->baseURL->redirect('network?order=comment');
 703                         }
 704
 705                         if ($moduleName == 'liked') {
 706                                 $this->baseURL->redirect('network?order=comment');
 707                         }
 708
 709                         if ($moduleName == 'activity') {
 710                                 $this->baseURL->redirect('network?conv=1');
 711                         }
 712
 713                         if (($moduleName == 'status_messages') && ($this->args->getCommand() == 'status_messages/new')) {
 714                                 $this->baseURL->redirect('bookmarklet');
 715                         }
 716
 717                         if (($moduleName == 'user') && ($this->args->getCommand() == 'user/edit')) {
 718                                 $this->baseURL->redirect('settings');
 719                         }
 720
 721                         if (($moduleName == 'tag_followings') && ($this->args->getCommand() == 'tag_followings/manage')) {
 722                                 $this->baseURL->redirect('search');
 723                         }
 724
 725                         // Initialize module that can set the current theme in the init() method, either directly or via App->setProfileOwner
 726                         $page['page_title'] = $moduleName;
 727
 728                         // The "view" module is required to show the theme CSS
 729                         if (!$this->mode->isInstall() && !$this->mode->has(App\Mode::MAINTENANCEDISABLED) && $moduleName !== 'view') {
 730                                 $module = $router->getModule(Maintenance::class);
 731                         } else {
 732                                 // determine the module class and save it to the module instance
 733                                 // @todo there's an implicit dependency due SESSION::start(), so it has to be called here (yet)
 734                                 $module = $router->getModule();
 735                         }
 736
 737                         // Processes data from GET requests
 738                         $httpinput = $httpInput->process();
 739                         $input     = array_merge($httpinput['variables'], $httpinput['files'], $request ?? $_REQUEST);
 740
 741                         // Let the module run it's internal process (init, get, post, ...)
 742                         $timestamp = microtime(true);
 743                         $response = $module->run($input);
 744                         $this->profiler->set(microtime(true) - $timestamp, 'content');
 745                         if ($response->getHeaderLine(ICanCreateResponses::X_HEADER) === ICanCreateResponses::TYPE_HTML) {
 746                                 $page->run($this, $this->baseURL, $this->args, $this->mode, $response, $this->l10n, $this->profiler, $this->config, $pconfig, $this->userSession->getLocalUserId());
 747                         } else {
 748                                 $page->exit($response);
 749                         }
 750                 } catch (HTTPException $e) {
 751                         (new ModuleHTTPException())->rawContent($e);
 752                 }
 753                 $page->logRuntime($this->config, 'runFrontend');
 754         }
 755
 756         /**
 757          * Automatically redirects to relative or absolute URL
 758          * Should only be used if it isn't clear if the URL is either internal or external
 759          *
 760          * @param string $toUrl The target URL
 761          *
 762          * @throws HTTPException\InternalServerErrorException
 763          */
 764         public function redirect(string $toUrl)
 765         {
 766                 if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
 767                         Core\System::externalRedirect($toUrl);
 768                 } else {
 769                         $this->baseURL->redirect($toUrl);
 770                 }
 771         }
 772 }