3 * @copyright Copyright (C) 2010-2021, the Friendica project
5 * @license GNU AGPL version 3 or any later version
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.
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.
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/>.
25 use Friendica\App\Arguments;
26 use Friendica\App\BaseURL;
27 use Friendica\App\Module;
28 use Friendica\Module\Maintenance;
29 use Friendica\Security\Authentication;
30 use Friendica\Core\Config\Cache;
31 use Friendica\Core\Config\IConfig;
32 use Friendica\Core\PConfig\IPConfig;
33 use Friendica\Core\L10n;
34 use Friendica\Core\System;
35 use Friendica\Core\Theme;
36 use Friendica\Database\Database;
37 use Friendica\Model\Contact;
38 use Friendica\Model\Profile;
39 use Friendica\Module\Special\HTTPException as ModuleHTTPException;
40 use Friendica\Network\HTTPException;
41 use Friendica\Util\ConfigFileLoader;
42 use Friendica\Util\HTTPSignature;
43 use Friendica\Util\Profiler;
44 use Friendica\Util\Strings;
45 use Psr\Log\LoggerInterface;
48 * Our main application structure for the life of this page.
50 * Primarily deals with the URL that got us here
51 * and tries to make some sense of it, and
52 * stores our page contents and config storage
53 * and anything else that might need to be passed around
54 * before we spit the page out.
68 /** @deprecated 2019.09 - use App\Arguments->getArgv() or Arguments->get() */
70 /** @deprecated 2019.09 - use App\Arguments->getArgc() */
73 public $interactive = true;
75 public $theme_info = [];
77 // Allow themes to control internal parameters
78 // by changing App values in theme.php
80 public $sourcename = '';
81 public $videowidth = 425;
82 public $videoheight = 350;
83 public $theme_events_in_profile = true;
87 * @var App\Mode The Mode of the Application
96 /** @var string The name of the current theme */
97 private $currentTheme;
98 /** @var string The name of the current mobile theme */
99 private $currentMobileTheme;
102 * @var IConfig The config
107 * @var LoggerInterface The logger
112 * @var Profiler The profiler of this app
117 * @var Database The Friendica database connection
122 * @var L10n The translator
132 * @var Core\Process The process methods
142 * Returns the current config cache of this node
146 public function getConfigCache()
148 return $this->config->getCache();
152 * The basepath of this app
156 public function getBasePath()
158 // Don't use the basepath of the config table for basepath (it should always be the config-file one)
159 return $this->config->getCache()->get('system', 'basepath');
163 * @param Database $database The Friendica Database
164 * @param IConfig $config The Configuration
165 * @param App\Mode $mode The mode of this Friendica app
166 * @param BaseURL $baseURL The full base URL of this Friendica app
167 * @param LoggerInterface $logger The current app logger
168 * @param Profiler $profiler The profiler of this application
169 * @param L10n $l10n The translator instance
170 * @param App\Arguments $args The Friendica Arguments of the call
171 * @param Core\Process $process The process methods
172 * @param IPConfig $pConfig Personal configuration
174 public function __construct(Database $database, IConfig $config, App\Mode $mode, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, L10n $l10n, Arguments $args, Core\Process $process, IPConfig $pConfig)
176 $this->database = $database;
177 $this->config = $config;
179 $this->baseURL = $baseURL;
180 $this->profiler = $profiler;
181 $this->logger = $logger;
184 $this->process = $process;
185 $this->pConfig = $pConfig;
187 $this->argv = $args->getArgv();
188 $this->argc = $args->getArgc();
194 * Load the whole app instance
196 public function load()
200 // This has to be quite large to deal with embedded private photos
201 ini_set('pcre.backtrack_limit', 500000);
204 get_include_path() . PATH_SEPARATOR
205 . $this->getBasePath() . DIRECTORY_SEPARATOR . 'include' . PATH_SEPARATOR
206 . $this->getBasePath() . DIRECTORY_SEPARATOR . 'library' . PATH_SEPARATOR
207 . $this->getBasePath());
209 $this->profiler->reset();
211 if ($this->mode->has(App\Mode::DBAVAILABLE)) {
212 $this->profiler->update($this->config);
214 Core\Hook::loadHooks();
215 $loader = new ConfigFileLoader($this->getBasePath());
216 Core\Hook::callAll('load_config', $loader);
219 $this->loadDefaultTimezone();
220 // Register template engines
221 Core\Renderer::registerTemplateEngine('Friendica\Render\FriendicaSmartyEngine');
225 * Loads the default timezone
227 * Include support for legacy $default_timezone
229 * @global string $default_timezone
231 private function loadDefaultTimezone()
233 if ($this->config->get('system', 'default_timezone')) {
234 $this->timezone = $this->config->get('system', 'default_timezone');
236 global $default_timezone;
237 $this->timezone = !empty($default_timezone) ? $default_timezone : 'UTC';
240 if ($this->timezone) {
241 date_default_timezone_set($this->timezone);
246 * Returns the current theme name. May be overriden by the mobile theme name.
251 public function getCurrentTheme()
253 if ($this->mode->isInstall()) {
257 // Specific mobile theme override
258 if (($this->mode->isMobile() || $this->mode->isTablet()) && Core\Session::get('show-mobile', true)) {
259 $user_mobile_theme = $this->getCurrentMobileTheme();
261 // --- means same mobile theme as desktop
262 if (!empty($user_mobile_theme) && $user_mobile_theme !== '---') {
263 return $user_mobile_theme;
267 if (!$this->currentTheme) {
268 $this->computeCurrentTheme();
271 return $this->currentTheme;
275 * Returns the current mobile theme name.
280 public function getCurrentMobileTheme()
282 if ($this->mode->isInstall()) {
286 if (is_null($this->currentMobileTheme)) {
287 $this->computeCurrentMobileTheme();
290 return $this->currentMobileTheme;
293 public function setCurrentTheme($theme)
295 $this->currentTheme = $theme;
298 public function setCurrentMobileTheme($theme)
300 $this->currentMobileTheme = $theme;
304 * Computes the current theme name based on the node settings, the page owner settings and the user settings
308 private function computeCurrentTheme()
310 $system_theme = $this->config->get('system', 'theme');
311 if (!$system_theme) {
312 throw new Exception($this->l10n->t('No system theme config value set.'));
316 $this->setCurrentTheme($system_theme);
319 // Find the theme that belongs to the user whose stuff we are looking at
320 if ($this->profile_uid && ($this->profile_uid != local_user())) {
321 // Allow folks to override user themes and always use their own on their own site.
322 // This works only if the user is on the same server
323 $user = $this->database->selectFirst('user', ['theme'], ['uid' => $this->profile_uid]);
324 if ($this->database->isResult($user) && !$this->pConfig->get(local_user(), 'system', 'always_my_theme')) {
325 $page_theme = $user['theme'];
329 $theme_name = $page_theme ?: Core\Session::get('theme', $system_theme);
331 $theme_name = Strings::sanitizeFilePathItem($theme_name);
333 && in_array($theme_name, Theme::getAllowedList())
334 && (file_exists('view/theme/' . $theme_name . '/style.css')
335 || file_exists('view/theme/' . $theme_name . '/style.php'))
337 $this->setCurrentTheme($theme_name);
342 * Computes the current mobile theme name based on the node settings, the page owner settings and the user settings
344 private function computeCurrentMobileTheme()
346 $system_mobile_theme = $this->config->get('system', 'mobile-theme', '');
349 $this->setCurrentMobileTheme($system_mobile_theme);
351 $page_mobile_theme = null;
352 // Find the theme that belongs to the user whose stuff we are looking at
353 if ($this->profile_uid && ($this->profile_uid != local_user())) {
354 // Allow folks to override user themes and always use their own on their own site.
355 // This works only if the user is on the same server
356 if (!$this->pConfig->get(local_user(), 'system', 'always_my_theme')) {
357 $page_mobile_theme = $this->pConfig->get($this->profile_uid, 'system', 'mobile-theme');
361 $mobile_theme_name = $page_mobile_theme ?: Core\Session::get('mobile-theme', $system_mobile_theme);
363 $mobile_theme_name = Strings::sanitizeFilePathItem($mobile_theme_name);
364 if ($mobile_theme_name == '---'
366 in_array($mobile_theme_name, Theme::getAllowedList())
367 && (file_exists('view/theme/' . $mobile_theme_name . '/style.css')
368 || file_exists('view/theme/' . $mobile_theme_name . '/style.php'))
370 $this->setCurrentMobileTheme($mobile_theme_name);
375 * Provide a sane default if nothing is chosen or the specified theme does not exist.
380 public function getCurrentThemeStylesheetPath()
382 return Core\Theme::getStylesheetPath($this->getCurrentTheme());
386 * Sets the base url for use in cmdline programs which don't have
389 public function checkURL()
391 $url = $this->config->get('system', 'url');
393 // if the url isn't set or the stored url is radically different
394 // than the currently visited url, store the current value accordingly.
395 // "Radically different" ignores common variations such as http vs https
396 // and www.example.com vs example.com.
397 // We will only change the url to an ip address if there is no existing setting
399 if (empty($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()))) {
400 $this->config->set('system', 'url', $this->baseURL->get());
405 * Frontend App script
407 * The App object behaves like a container and a dispatcher at the same time, including a representation of the
408 * request and a representation of the response.
410 * This probably should change to limit the size of this monster method.
412 * @param App\Module $module The determined module
413 * @param App\Router $router
414 * @param IPConfig $pconfig
415 * @param Authentication $auth The Authentication backend of the node
416 * @param App\Page $page The Friendica page printing container
418 * @throws HTTPException\InternalServerErrorException
419 * @throws \ImagickException
421 public function runFrontend(App\Module $module, App\Router $router, IPConfig $pconfig, Authentication $auth, App\Page $page, float $start_time)
423 $this->profiler->set($start_time, 'start');
424 $this->profiler->set(microtime(true), 'classinit');
426 $moduleName = $module->getName();
429 // Missing DB connection: ERROR
430 if ($this->mode->has(App\Mode::LOCALCONFIGPRESENT) && !$this->mode->has(App\Mode::DBAVAILABLE)) {
431 throw new HTTPException\InternalServerErrorException('Apologies but the website is unavailable at the moment.');
434 // Max Load Average reached: ERROR
435 if ($this->process->isMaxProcessesReached() || $this->process->isMaxLoadReached()) {
436 header('Retry-After: 120');
437 header('Refresh: 120; url=' . $this->baseURL->get() . "/" . $this->args->getQueryString());
439 throw new HTTPException\ServiceUnavailableException('The node is currently overloaded. Please try again later.');
442 if (!$this->mode->isInstall()) {
443 // Force SSL redirection
444 if ($this->baseURL->checkRedirectHttps()) {
445 System::externalRedirect($this->baseURL->get() . '/' . $this->args->getQueryString());
448 Core\Hook::callAll('init_1');
451 if ($this->mode->isNormal() && !$this->mode->isBackend()) {
452 $requester = HTTPSignature::getSigner('', $_SERVER);
453 if (!empty($requester)) {
454 Profile::addVisitorCookieForHandle($requester);
459 if (!empty($_GET['zrl']) && $this->mode->isNormal() && !$this->mode->isBackend()) {
461 // Only continue when the given profile link seems valid
462 // Valid profile links contain a path with "/profile/" and no query parameters
463 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") &&
464 strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
465 if (Core\Session::get('visitor_home') != $_GET["zrl"]) {
466 Core\Session::set('my_url', $_GET['zrl']);
467 Core\Session::set('authenticated', 0);
469 $remote_contact = Contact::getByURL($_GET['zrl'], false, ['subscribe']);
470 if (!empty($remote_contact['subscribe'])) {
471 $_SESSION['remote_comment'] = $remote_contact['subscribe'];
475 Model\Profile::zrlInit($this);
477 // Someone came with an invalid parameter, maybe as a DDoS attempt
478 // We simply stop processing here
479 $this->logger->debug('Invalid ZRL parameter.', ['zrl' => $_GET['zrl']]);
480 throw new HTTPException\ForbiddenException();
485 if (!empty($_GET['owt']) && $this->mode->isNormal()) {
486 $token = $_GET['owt'];
487 Model\Profile::openWebAuthInit($token);
490 $auth->withSession($this);
492 if (empty($_SESSION['authenticated'])) {
493 header('X-Account-Management-Status: none');
496 $_SESSION['sysmsg'] = Core\Session::get('sysmsg', []);
497 $_SESSION['sysmsg_info'] = Core\Session::get('sysmsg_info', []);
498 $_SESSION['last_updated'] = Core\Session::get('last_updated', []);
501 * check_config() is responsible for running update scripts. These automatically
502 * update the DB schema whenever we push a new one out. It also checks to see if
503 * any addons have been added or removed and reacts accordingly.
506 // in install mode, any url loads install module
507 // but we need "view" module for stylesheet
508 if ($this->mode->isInstall() && $moduleName !== 'install') {
509 $this->baseURL->redirect('install');
512 Core\Update::check($this->getBasePath(), false, $this->mode);
513 Core\Addon::loadAddons();
514 Core\Hook::loadHooks();
517 // Compatibility with the Android Diaspora client
518 if ($moduleName == 'stream') {
519 $this->baseURL->redirect('network?order=post');
522 if ($moduleName == 'conversations') {
523 $this->baseURL->redirect('message');
526 if ($moduleName == 'commented') {
527 $this->baseURL->redirect('network?order=comment');
530 if ($moduleName == 'liked') {
531 $this->baseURL->redirect('network?order=comment');
534 if ($moduleName == 'activity') {
535 $this->baseURL->redirect('network?conv=1');
538 if (($moduleName == 'status_messages') && ($this->args->getCommand() == 'status_messages/new')) {
539 $this->baseURL->redirect('bookmarklet');
542 if (($moduleName == 'user') && ($this->args->getCommand() == 'user/edit')) {
543 $this->baseURL->redirect('settings');
546 if (($moduleName == 'tag_followings') && ($this->args->getCommand() == 'tag_followings/manage')) {
547 $this->baseURL->redirect('search');
550 // Initialize module that can set the current theme in the init() method, either directly or via App->profile_uid
551 $page['page_title'] = $moduleName;
553 if (!$this->mode->isInstall() && !$this->mode->has(App\Mode::MAINTENANCEDISABLED)) {
554 $module = new Module('maintenance', Maintenance::class);
556 // determine the module class and save it to the module instance
557 // @todo there's an implicit dependency due SESSION::start(), so it has to be called here (yet)
558 $module = $module->determineClass($this->args, $router, $this->config);
561 // Let the module run it's internal process (init, get, post, ...)
562 $module->run($this->l10n, $this->baseURL, $this->logger, $this->profiler, $_SERVER, $_POST);
563 } catch (HTTPException $e) {
564 ModuleHTTPException::rawContent($e);
567 $page->run($this, $this->baseURL, $this->mode, $module, $this->l10n, $this->profiler, $this->config, $pconfig);
571 * Automatically redirects to relative or absolute URL
572 * Should only be used if it isn't clear if the URL is either internal or external
574 * @param string $toUrl The target URL
576 * @throws HTTPException\InternalServerErrorException
578 public function redirect($toUrl)
580 if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
581 Core\System::externalRedirect($toUrl);
583 $this->baseURL->redirect($toUrl);