579 lines
17 KiB
PHP
579 lines
17 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2020, Friendica
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica;
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use Exception;
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use Friendica\App\Arguments;
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use Friendica\App\BaseURL;
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use Friendica\Security\Authentication;
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use Friendica\Core\Config\Cache;
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use Friendica\Core\Config\IConfig;
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use Friendica\Core\PConfig\IPConfig;
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use Friendica\Core\L10n;
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use Friendica\Core\System;
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use Friendica\Core\Theme;
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use Friendica\Database\Database;
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use Friendica\Model\Profile;
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use Friendica\Module\Special\HTTPException as ModuleHTTPException;
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use Friendica\Network\HTTPException;
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use Friendica\Util\ConfigFileLoader;
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use Friendica\Util\HTTPSignature;
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use Friendica\Util\Profiler;
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use Friendica\Util\Strings;
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use Psr\Log\LoggerInterface;
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/**
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* Our main application structure for the life of this page.
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*
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* Primarily deals with the URL that got us here
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* and tries to make some sense of it, and
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* stores our page contents and config storage
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* and anything else that might need to be passed around
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* before we spit the page out.
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*
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*/
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class App
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{
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public $profile;
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public $profile_uid;
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public $user;
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public $cid;
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public $contact;
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public $contacts;
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public $page_contact;
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public $content;
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public $data = [];
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/** @deprecated 2019.09 - use App\Arguments->getArgv() or Arguments->get() */
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public $argv;
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/** @deprecated 2019.09 - use App\Arguments->getArgc() */
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public $argc;
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public $timezone;
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public $interactive = true;
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public $identities;
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public $theme_info = [];
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public $category;
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// Allow themes to control internal parameters
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// by changing App values in theme.php
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public $sourcename = '';
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public $videowidth = 425;
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public $videoheight = 350;
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public $theme_events_in_profile = true;
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public $queue;
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/**
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* @var App\Mode The Mode of the Application
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*/
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private $mode;
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/**
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* @var BaseURL
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*/
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private $baseURL;
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/** @var string The name of the current theme */
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private $currentTheme;
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/** @var string The name of the current mobile theme */
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private $currentMobileTheme;
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/**
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* @var IConfig The config
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*/
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private $config;
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/**
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* @var LoggerInterface The logger
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*/
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private $logger;
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/**
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* @var Profiler The profiler of this app
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*/
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private $profiler;
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/**
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* @var Database The Friendica database connection
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*/
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private $database;
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/**
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* @var L10n The translator
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*/
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private $l10n;
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/**
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* @var App\Arguments
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*/
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private $args;
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/**
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* @var Core\Process The process methods
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*/
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private $process;
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/**
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* @var IPConfig
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*/
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private $pConfig;
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/**
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* Returns the current config cache of this node
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*
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* @return Cache
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*/
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public function getConfigCache()
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{
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return $this->config->getCache();
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}
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/**
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* The basepath of this app
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*
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* @return string
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*/
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public function getBasePath()
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{
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// Don't use the basepath of the config table for basepath (it should always be the config-file one)
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return $this->config->getCache()->get('system', 'basepath');
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}
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/**
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* @param Database $database The Friendica Database
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* @param IConfig $config The Configuration
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* @param App\Mode $mode The mode of this Friendica app
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* @param BaseURL $baseURL The full base URL of this Friendica app
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* @param LoggerInterface $logger The current app logger
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* @param Profiler $profiler The profiler of this application
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* @param L10n $l10n The translator instance
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* @param App\Arguments $args The Friendica Arguments of the call
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* @param Core\Process $process The process methods
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* @param IPConfig $pConfig Personal configuration
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*/
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public function __construct(Database $database, IConfig $config, App\Mode $mode, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, L10n $l10n, Arguments $args, Core\Process $process, IPConfig $pConfig)
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{
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$this->database = $database;
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$this->config = $config;
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$this->mode = $mode;
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$this->baseURL = $baseURL;
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$this->profiler = $profiler;
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$this->logger = $logger;
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$this->l10n = $l10n;
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$this->args = $args;
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$this->process = $process;
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$this->pConfig = $pConfig;
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$this->argv = $args->getArgv();
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$this->argc = $args->getArgc();
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$this->load();
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}
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/**
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* Load the whole app instance
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*/
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public function load()
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{
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set_time_limit(0);
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// This has to be quite large to deal with embedded private photos
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ini_set('pcre.backtrack_limit', 500000);
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set_include_path(
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get_include_path() . PATH_SEPARATOR
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. $this->getBasePath() . DIRECTORY_SEPARATOR . 'include' . PATH_SEPARATOR
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. $this->getBasePath() . DIRECTORY_SEPARATOR . 'library' . PATH_SEPARATOR
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. $this->getBasePath());
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$this->profiler->reset();
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if ($this->mode->has(App\Mode::DBAVAILABLE)) {
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$this->profiler->update($this->config);
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Core\Hook::loadHooks();
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$loader = new ConfigFileLoader($this->getBasePath());
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Core\Hook::callAll('load_config', $loader);
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}
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$this->loadDefaultTimezone();
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// Register template engines
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Core\Renderer::registerTemplateEngine('Friendica\Render\FriendicaSmartyEngine');
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}
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/**
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* Loads the default timezone
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*
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* Include support for legacy $default_timezone
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*
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* @global string $default_timezone
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*/
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private function loadDefaultTimezone()
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{
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if ($this->config->get('system', 'default_timezone')) {
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$this->timezone = $this->config->get('system', 'default_timezone');
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} else {
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global $default_timezone;
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$this->timezone = !empty($default_timezone) ? $default_timezone : 'UTC';
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}
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if ($this->timezone) {
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date_default_timezone_set($this->timezone);
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}
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}
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/**
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* Returns the current theme name. May be overriden by the mobile theme name.
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*
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* @return string
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* @throws Exception
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*/
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public function getCurrentTheme()
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{
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if ($this->mode->isInstall()) {
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return '';
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}
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// Specific mobile theme override
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if (($this->mode->isMobile() || $this->mode->isTablet()) && Core\Session::get('show-mobile', true)) {
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$user_mobile_theme = $this->getCurrentMobileTheme();
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// --- means same mobile theme as desktop
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if (!empty($user_mobile_theme) && $user_mobile_theme !== '---') {
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return $user_mobile_theme;
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}
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}
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if (!$this->currentTheme) {
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$this->computeCurrentTheme();
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}
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return $this->currentTheme;
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}
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/**
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* Returns the current mobile theme name.
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*
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* @return string
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* @throws Exception
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*/
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public function getCurrentMobileTheme()
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{
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if ($this->mode->isInstall()) {
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return '';
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}
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if (is_null($this->currentMobileTheme)) {
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$this->computeCurrentMobileTheme();
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}
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return $this->currentMobileTheme;
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}
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public function setCurrentTheme($theme)
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{
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$this->currentTheme = $theme;
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}
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public function setCurrentMobileTheme($theme)
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{
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$this->currentMobileTheme = $theme;
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}
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/**
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* Computes the current theme name based on the node settings, the page owner settings and the user settings
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*
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* @throws Exception
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*/
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private function computeCurrentTheme()
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{
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$system_theme = $this->config->get('system', 'theme');
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if (!$system_theme) {
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throw new Exception($this->l10n->t('No system theme config value set.'));
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}
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// Sane default
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$this->setCurrentTheme($system_theme);
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$page_theme = null;
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// Find the theme that belongs to the user whose stuff we are looking at
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if ($this->profile_uid && ($this->profile_uid != local_user())) {
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// Allow folks to override user themes and always use their own on their own site.
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// This works only if the user is on the same server
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$user = $this->database->selectFirst('user', ['theme'], ['uid' => $this->profile_uid]);
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if ($this->database->isResult($user) && !$this->pConfig->get(local_user(), 'system', 'always_my_theme')) {
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$page_theme = $user['theme'];
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}
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}
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$theme_name = $page_theme ?: Core\Session::get('theme', $system_theme);
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$theme_name = Strings::sanitizeFilePathItem($theme_name);
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if ($theme_name
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&& in_array($theme_name, Theme::getAllowedList())
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&& (file_exists('view/theme/' . $theme_name . '/style.css')
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|| file_exists('view/theme/' . $theme_name . '/style.php'))
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) {
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$this->setCurrentTheme($theme_name);
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}
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}
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/**
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* Computes the current mobile theme name based on the node settings, the page owner settings and the user settings
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*/
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private function computeCurrentMobileTheme()
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{
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$system_mobile_theme = $this->config->get('system', 'mobile-theme', '');
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// Sane default
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$this->setCurrentMobileTheme($system_mobile_theme);
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$page_mobile_theme = null;
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// Find the theme that belongs to the user whose stuff we are looking at
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if ($this->profile_uid && ($this->profile_uid != local_user())) {
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// Allow folks to override user themes and always use their own on their own site.
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// This works only if the user is on the same server
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if (!$this->pConfig->get(local_user(), 'system', 'always_my_theme')) {
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$page_mobile_theme = $this->pConfig->get($this->profile_uid, 'system', 'mobile-theme');
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}
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}
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$mobile_theme_name = $page_mobile_theme ?: Core\Session::get('mobile-theme', $system_mobile_theme);
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$mobile_theme_name = Strings::sanitizeFilePathItem($mobile_theme_name);
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if ($mobile_theme_name == '---'
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||
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in_array($mobile_theme_name, Theme::getAllowedList())
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&& (file_exists('view/theme/' . $mobile_theme_name . '/style.css')
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|| file_exists('view/theme/' . $mobile_theme_name . '/style.php'))
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) {
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$this->setCurrentMobileTheme($mobile_theme_name);
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}
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}
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/**
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* Provide a sane default if nothing is chosen or the specified theme does not exist.
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*
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* @return string
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* @throws Exception
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*/
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public function getCurrentThemeStylesheetPath()
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{
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return Core\Theme::getStylesheetPath($this->getCurrentTheme());
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}
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/**
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* Sets the base url for use in cmdline programs which don't have
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* $_SERVER variables
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*/
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public function checkURL()
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{
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$url = $this->config->get('system', 'url');
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// if the url isn't set or the stored url is radically different
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// than the currently visited url, store the current value accordingly.
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// "Radically different" ignores common variations such as http vs https
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// and www.example.com vs example.com.
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// We will only change the url to an ip address if there is no existing setting
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if (empty($url) || (!Util\Strings::compareLink($url, $this->baseURL->get())) && (!preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/", $this->baseURL->getHostname()))) {
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$this->config->set('system', 'url', $this->baseURL->get());
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}
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}
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/**
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* Frontend App script
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*
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* The App object behaves like a container and a dispatcher at the same time, including a representation of the
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* request and a representation of the response.
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*
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* This probably should change to limit the size of this monster method.
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*
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* @param App\Module $module The determined module
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* @param App\Router $router
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* @param IPConfig $pconfig
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* @param Authentication $auth The Authentication backend of the node
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* @param App\Page $page The Friendica page printing container
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*
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* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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public function runFrontend(App\Module $module, App\Router $router, IPConfig $pconfig, Authentication $auth, App\Page $page)
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{
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$moduleName = $module->getName();
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try {
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// Missing DB connection: ERROR
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if ($this->mode->has(App\Mode::LOCALCONFIGPRESENT) && !$this->mode->has(App\Mode::DBAVAILABLE)) {
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throw new HTTPException\InternalServerErrorException('Apologies but the website is unavailable at the moment.');
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}
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// Max Load Average reached: ERROR
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if ($this->process->isMaxProcessesReached() || $this->process->isMaxLoadReached()) {
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header('Retry-After: 120');
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header('Refresh: 120; url=' . $this->baseURL->get() . "/" . $this->args->getQueryString());
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throw new HTTPException\ServiceUnavailableException('The node is currently overloaded. Please try again later.');
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}
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if (!$this->mode->isInstall()) {
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// Force SSL redirection
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if ($this->baseURL->checkRedirectHttps()) {
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System::externalRedirect($this->baseURL->get() . '/' . $this->args->getQueryString());
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}
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Core\Hook::callAll('init_1');
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}
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// Exclude the backend processes from the session management
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if ($this->mode->isBackend()) {
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Core\Worker::executeIfIdle();
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}
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if ($this->mode->isNormal() && !$this->mode->isBackend()) {
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$requester = HTTPSignature::getSigner('', $_SERVER);
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if (!empty($requester)) {
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Profile::addVisitorCookieForHandle($requester);
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}
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}
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// ZRL
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if (!empty($_GET['zrl']) && $this->mode->isNormal() && !$this->mode->isBackend()) {
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if (!local_user()) {
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// Only continue when the given profile link seems valid
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// Valid profile links contain a path with "/profile/" and no query parameters
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if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") &&
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strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
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if (Core\Session::get('visitor_home') != $_GET["zrl"]) {
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Core\Session::set('my_url', $_GET['zrl']);
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Core\Session::set('authenticated', 0);
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}
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Model\Profile::zrlInit($this);
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} else {
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// Someone came with an invalid parameter, maybe as a DDoS attempt
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// We simply stop processing here
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$this->logger->debug('Invalid ZRL parameter.', ['zrl' => $_GET['zrl']]);
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throw new HTTPException\ForbiddenException();
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}
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}
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}
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if (!empty($_GET['owt']) && $this->mode->isNormal()) {
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$token = $_GET['owt'];
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Model\Profile::openWebAuthInit($token);
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}
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$auth->withSession($this);
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if (empty($_SESSION['authenticated'])) {
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header('X-Account-Management-Status: none');
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}
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$_SESSION['sysmsg'] = Core\Session::get('sysmsg', []);
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$_SESSION['sysmsg_info'] = Core\Session::get('sysmsg_info', []);
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$_SESSION['last_updated'] = Core\Session::get('last_updated', []);
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/*
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* check_config() is responsible for running update scripts. These automatically
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* update the DB schema whenever we push a new one out. It also checks to see if
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* any addons have been added or removed and reacts accordingly.
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*/
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// in install mode, any url loads install module
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// but we need "view" module for stylesheet
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if ($this->mode->isInstall() && $moduleName !== 'install') {
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$this->baseURL->redirect('install');
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} elseif (!$this->mode->isInstall() && !$this->mode->has(App\Mode::MAINTENANCEDISABLED) && $moduleName !== 'maintenance') {
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$this->baseURL->redirect('maintenance');
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} else {
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$this->checkURL();
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Core\Update::check($this->getBasePath(), false, $this->mode);
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Core\Addon::loadAddons();
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Core\Hook::loadHooks();
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}
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// Compatibility with the Android Diaspora client
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if ($moduleName == 'stream') {
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$this->baseURL->redirect('network?order=post');
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}
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if ($moduleName == 'conversations') {
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$this->baseURL->redirect('message');
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}
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if ($moduleName == 'commented') {
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$this->baseURL->redirect('network?order=comment');
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}
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if ($moduleName == 'liked') {
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$this->baseURL->redirect('network?order=comment');
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}
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if ($moduleName == 'activity') {
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$this->baseURL->redirect('network?conv=1');
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}
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if (($moduleName == 'status_messages') && ($this->args->getCommand() == 'status_messages/new')) {
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|
$this->baseURL->redirect('bookmarklet');
|
|
}
|
|
|
|
if (($moduleName == 'user') && ($this->args->getCommand() == 'user/edit')) {
|
|
$this->baseURL->redirect('settings');
|
|
}
|
|
|
|
if (($moduleName == 'tag_followings') && ($this->args->getCommand() == 'tag_followings/manage')) {
|
|
$this->baseURL->redirect('search');
|
|
}
|
|
|
|
// Initialize module that can set the current theme in the init() method, either directly or via App->profile_uid
|
|
$page['page_title'] = $moduleName;
|
|
|
|
// determine the module class and save it to the module instance
|
|
// @todo there's an implicit dependency due SESSION::start(), so it has to be called here (yet)
|
|
$module = $module->determineClass($this->args, $router, $this->config);
|
|
|
|
// Let the module run it's internal process (init, get, post, ...)
|
|
$module->run($this->l10n, $this->baseURL, $this->logger, $_SERVER, $_POST);
|
|
} catch (HTTPException $e) {
|
|
ModuleHTTPException::rawContent($e);
|
|
}
|
|
|
|
$page->run($this, $this->baseURL, $this->mode, $module, $this->l10n, $this->config, $pconfig);
|
|
}
|
|
|
|
/**
|
|
* Automatically redirects to relative or absolute URL
|
|
* Should only be used if it isn't clear if the URL is either internal or external
|
|
*
|
|
* @param string $toUrl The target URL
|
|
*
|
|
* @throws HTTPException\InternalServerErrorException
|
|
*/
|
|
public function redirect($toUrl)
|
|
{
|
|
if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
|
|
Core\System::externalRedirect($toUrl);
|
|
} else {
|
|
$this->baseURL->redirect($toUrl);
|
|
}
|
|
}
|
|
}
|