mirror of
https://github.com/friendica/friendica
synced 2024-11-14 10:22:57 +00:00
1438 lines
40 KiB
PHP
1438 lines
40 KiB
PHP
<?php
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/**
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* @file src/App.php
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*/
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namespace Friendica;
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use Detection\MobileDetect;
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use DOMDocument;
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use DOMXPath;
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use Exception;
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use Friendica\Core\Config\Cache\IConfigCache;
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use Friendica\Core\Config\Configuration;
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use Friendica\Core\Hook;
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use Friendica\Core\Theme;
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use Friendica\Database\DBA;
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use Friendica\Model\Profile;
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use Friendica\Network\HTTPException\InternalServerErrorException;
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use Friendica\Util\BaseURL;
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use Friendica\Util\Config\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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*
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* class: App
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*
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* @brief 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 $module_class = null;
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public $query_string = '';
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public $page = [];
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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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public $error = false;
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public $cmd = '';
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public $argv;
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public $argc;
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public $module;
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public $timezone;
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public $interactive = true;
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public $identities;
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public $is_mobile = false;
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public $is_tablet = false;
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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 $force_max_items = 0;
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public $theme_events_in_profile = true;
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public $stylesheets = [];
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public $footerScripts = [];
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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 App\Router
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*/
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private $router;
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/**
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* @var BaseURL
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*/
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private $baseURL;
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/**
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* @var bool true, if the call is from the Friendica APP, otherwise false
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*/
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private $isFriendicaApp;
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/**
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* @var bool true, if the call is from an backend node (f.e. worker)
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*/
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private $isBackend;
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/**
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* @var string The name of the current theme
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*/
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private $currentTheme;
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/**
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* @var bool check if request was an AJAX (xmlhttprequest) request
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*/
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private $isAjax;
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/**
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* @var MobileDetect
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*/
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public $mobileDetect;
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/**
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* @var Configuration 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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* Returns the current config cache of this node
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*
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* @return IConfigCache
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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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* Returns the current config of this node
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*
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* @return Configuration
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*/
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public function getConfig()
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{
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return $this->config;
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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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return $this->config->get('system', 'basepath');
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}
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/**
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* The Logger of this app
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*
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* @return LoggerInterface
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*/
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public function getLogger()
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{
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return $this->logger;
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}
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/**
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* The profiler of this app
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*
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* @return Profiler
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*/
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public function getProfiler()
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{
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return $this->profiler;
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}
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/**
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* Returns the Mode of the Application
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*
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* @return App\Mode The Application Mode
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*/
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public function getMode()
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{
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return $this->mode;
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}
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/**
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* Returns the router of the Application
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*
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* @return App\Router
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*/
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public function getRouter()
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{
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return $this->router;
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}
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/**
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* Register a stylesheet file path to be included in the <head> tag of every page.
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* Inclusion is done in App->initHead().
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* The path can be absolute or relative to the Friendica installation base folder.
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*
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* @see initHead()
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*
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* @param string $path
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*/
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public function registerStylesheet($path)
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{
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if (mb_strpos($path, $this->getBasePath() . DIRECTORY_SEPARATOR) === 0) {
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$path = mb_substr($path, mb_strlen($this->getBasePath() . DIRECTORY_SEPARATOR));
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}
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$this->stylesheets[] = trim($path, '/');
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}
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/**
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* Register a javascript file path to be included in the <footer> tag of every page.
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* Inclusion is done in App->initFooter().
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* The path can be absolute or relative to the Friendica installation base folder.
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*
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* @see initFooter()
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*
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* @param string $path
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*/
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public function registerFooterScript($path)
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{
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$url = str_replace($this->getBasePath() . DIRECTORY_SEPARATOR, '', $path);
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$this->footerScripts[] = trim($url, '/');
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}
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public $queue;
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/**
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* @brief App constructor.
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*
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* @param Configuration $config The Configuration
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* @param App\Mode $mode The mode of this Friendica app
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* @param App\Router $router The router 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 bool $isBackend Whether it is used for backend or frontend (Default true=backend)
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*
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* @throws Exception if the Basepath is not usable
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*/
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public function __construct(Configuration $config, App\Mode $mode, App\Router $router, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, $isBackend = true)
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{
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BaseObject::setApp($this);
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$this->config = $config;
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$this->mode = $mode;
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$this->router = $router;
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$this->baseURL = $baseURL;
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$this->profiler = $profiler;
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$this->logger = $logger;
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$this->checkFriendicaApp();
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$this->profiler->reset();
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$this->reload();
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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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. $this->getBasePath());
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if (!empty($_SERVER['QUERY_STRING']) && strpos($_SERVER['QUERY_STRING'], 'pagename=') === 0) {
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$this->query_string = substr($_SERVER['QUERY_STRING'], 9);
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} elseif (!empty($_SERVER['QUERY_STRING']) && strpos($_SERVER['QUERY_STRING'], 'q=') === 0) {
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$this->query_string = substr($_SERVER['QUERY_STRING'], 2);
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}
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// removing trailing / - maybe a nginx problem
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$this->query_string = ltrim($this->query_string, '/');
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if (!empty($_GET['pagename'])) {
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$this->cmd = trim($_GET['pagename'], '/\\');
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} elseif (!empty($_GET['q'])) {
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$this->cmd = trim($_GET['q'], '/\\');
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}
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// fix query_string
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$this->query_string = str_replace($this->cmd . '&', $this->cmd . '?', $this->query_string);
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// unix style "homedir"
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if (substr($this->cmd, 0, 1) === '~') {
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$this->cmd = 'profile/' . substr($this->cmd, 1);
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}
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// Diaspora style profile url
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if (substr($this->cmd, 0, 2) === 'u/') {
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$this->cmd = 'profile/' . substr($this->cmd, 2);
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}
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/*
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* Break the URL path into C style argc/argv style arguments for our
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* modules. Given "http://example.com/module/arg1/arg2", $this->argc
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* will be 3 (integer) and $this->argv will contain:
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* [0] => 'module'
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* [1] => 'arg1'
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* [2] => 'arg2'
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*
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*
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* There will always be one argument. If provided a naked domain
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* URL, $this->argv[0] is set to "home".
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*/
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$this->argv = explode('/', $this->cmd);
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$this->argc = count($this->argv);
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if ((array_key_exists('0', $this->argv)) && strlen($this->argv[0])) {
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$this->module = str_replace('.', '_', $this->argv[0]);
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$this->module = str_replace('-', '_', $this->module);
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} else {
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$this->argc = 1;
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$this->argv = ['home'];
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$this->module = 'home';
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}
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$this->isBackend = $isBackend || $this->checkBackend($this->module);
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// Detect mobile devices
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$mobile_detect = new MobileDetect();
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$this->mobileDetect = $mobile_detect;
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$this->is_mobile = $mobile_detect->isMobile();
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$this->is_tablet = $mobile_detect->isTablet();
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$this->isAjax = strtolower(defaults($_SERVER, 'HTTP_X_REQUESTED_WITH', '')) == 'xmlhttprequest';
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// Register template engines
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Core\Renderer::registerTemplateEngine('Friendica\Render\FriendicaSmartyEngine');
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}
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/**
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* Reloads the whole app instance
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*/
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public function reload()
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{
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$this->getMode()->determine($this->getBasePath());
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if ($this->getMode()->has(App\Mode::DBAVAILABLE)) {
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$loader = new ConfigFileLoader($this->getBasePath(), $this->getMode());
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$this->config->getCache()->load($loader->loadCoreConfig('addon'), true);
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$this->profiler->update(
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$this->config->get('system', 'profiler', false),
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$this->config->get('rendertime', 'callstack', false));
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Core\Hook::loadHooks();
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$loader = new ConfigFileLoader($this->getBasePath(), $this->mode);
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Core\Hook::callAll('load_config', $loader);
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}
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$this->loadDefaultTimezone();
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Core\L10n::init();
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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 scheme of the current call
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* @return string
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*
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* @deprecated 2019.06 - use BaseURL->getScheme() instead
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*/
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public function getScheme()
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{
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return $this->baseURL->getScheme();
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}
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/**
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* Retrieves the Friendica instance base URL
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*
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* @param bool $ssl Whether to append http or https under BaseURL::SSL_POLICY_SELFSIGN
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*
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* @return string Friendica server base URL
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*
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* @deprecated 2019.06 - use BaseURL->get($ssl) instead
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*/
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public function getBaseURL($ssl = false)
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{
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return $this->baseURL->get($ssl);
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}
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/**
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* @brief Initializes the baseurl components
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*
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* Clears the baseurl cache to prevent inconsistencies
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*
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* @param string $url
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*
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* @deprecated 2019.06 - use BaseURL->saveByURL($url) instead
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*/
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public function setBaseURL($url)
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{
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$this->baseURL->saveByURL($url);
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}
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/**
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* Returns the current hostname
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*
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* @return string
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*
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* @deprecated 2019.06 - use BaseURL->getHostname() instead
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*/
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public function getHostName()
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{
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return $this->baseURL->getHostname();
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}
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/**
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* Returns the sub-path of the full URL
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*
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* @return string
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*
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* @deprecated 2019.06 - use BaseURL->getUrlPath() instead
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*/
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public function getURLPath()
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{
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return $this->baseURL->getUrlPath();
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}
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/**
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* Initializes App->page['htmlhead'].
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*
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* Includes:
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* - Page title
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* - Favicons
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* - Registered stylesheets (through App->registerStylesheet())
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* - Infinite scroll data
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* - head.tpl template
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*/
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public function initHead()
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{
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$interval = ((local_user()) ? Core\PConfig::get(local_user(), 'system', 'update_interval') : 40000);
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// If the update is 'deactivated' set it to the highest integer number (~24 days)
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if ($interval < 0) {
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$interval = 2147483647;
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}
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if ($interval < 10000) {
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$interval = 40000;
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}
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// Default title: current module called
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if (empty($this->page['title']) && $this->module) {
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$this->page['title'] = ucfirst($this->module);
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}
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// Prepend the sitename to the page title
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$this->page['title'] = $this->config->get('config', 'sitename', '') . (!empty($this->page['title']) ? ' | ' . $this->page['title'] : '');
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if (!empty(Core\Renderer::$theme['stylesheet'])) {
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$stylesheet = Core\Renderer::$theme['stylesheet'];
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} else {
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$stylesheet = $this->getCurrentThemeStylesheetPath();
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}
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$this->registerStylesheet($stylesheet);
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$shortcut_icon = $this->config->get('system', 'shortcut_icon');
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if ($shortcut_icon == '') {
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$shortcut_icon = 'images/friendica-32.png';
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}
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$touch_icon = $this->config->get('system', 'touch_icon');
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if ($touch_icon == '') {
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$touch_icon = 'images/friendica-128.png';
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}
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Core\Hook::callAll('head', $this->page['htmlhead']);
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$tpl = Core\Renderer::getMarkupTemplate('head.tpl');
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/* put the head template at the beginning of page['htmlhead']
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* since the code added by the modules frequently depends on it
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* being first
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*/
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$this->page['htmlhead'] = Core\Renderer::replaceMacros($tpl, [
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'$baseurl' => $this->getBaseURL(),
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'$local_user' => local_user(),
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'$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
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'$delitem' => Core\L10n::t('Delete this item?'),
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'$update_interval' => $interval,
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'$shortcut_icon' => $shortcut_icon,
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'$touch_icon' => $touch_icon,
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'$block_public' => intval($this->config->get('system', 'block_public')),
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'$stylesheets' => $this->stylesheets,
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]) . $this->page['htmlhead'];
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}
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/**
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* Initializes App->page['footer'].
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*
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* Includes:
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* - Javascript homebase
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* - Mobile toggle link
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* - Registered footer scripts (through App->registerFooterScript())
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* - footer.tpl template
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*/
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public function initFooter()
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{
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// If you're just visiting, let javascript take you home
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if (!empty($_SESSION['visitor_home'])) {
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$homebase = $_SESSION['visitor_home'];
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} elseif (local_user()) {
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$homebase = 'profile/' . $this->user['nickname'];
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}
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if (isset($homebase)) {
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$this->page['footer'] .= '<script>var homebase="' . $homebase . '";</script>' . "\n";
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}
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/*
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* Add a "toggle mobile" link if we're using a mobile device
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*/
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if ($this->is_mobile || $this->is_tablet) {
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if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
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$link = 'toggle_mobile?address=' . urlencode(curPageURL());
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} else {
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$link = 'toggle_mobile?off=1&address=' . urlencode(curPageURL());
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}
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$this->page['footer'] .= Core\Renderer::replaceMacros(Core\Renderer::getMarkupTemplate("toggle_mobile_footer.tpl"), [
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'$toggle_link' => $link,
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'$toggle_text' => Core\L10n::t('toggle mobile')
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]);
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}
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Core\Hook::callAll('footer', $this->page['footer']);
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$tpl = Core\Renderer::getMarkupTemplate('footer.tpl');
|
|
$this->page['footer'] = Core\Renderer::replaceMacros($tpl, [
|
|
'$baseurl' => $this->getBaseURL(),
|
|
'$footerScripts' => $this->footerScripts,
|
|
]) . $this->page['footer'];
|
|
}
|
|
|
|
/**
|
|
* @brief Removes the base url from an url. This avoids some mixed content problems.
|
|
*
|
|
* @param string $origURL
|
|
*
|
|
* @return string The cleaned url
|
|
* @throws InternalServerErrorException
|
|
*/
|
|
public function removeBaseURL($origURL)
|
|
{
|
|
// Remove the hostname from the url if it is an internal link
|
|
$nurl = Util\Strings::normaliseLink($origURL);
|
|
$base = Util\Strings::normaliseLink($this->getBaseURL());
|
|
$url = str_replace($base . '/', '', $nurl);
|
|
|
|
// if it is an external link return the orignal value
|
|
if ($url == Util\Strings::normaliseLink($origURL)) {
|
|
return $origURL;
|
|
} else {
|
|
return $url;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the current UserAgent as a String
|
|
*
|
|
* @return string the UserAgent as a String
|
|
* @throws InternalServerErrorException
|
|
*/
|
|
public function getUserAgent()
|
|
{
|
|
return
|
|
FRIENDICA_PLATFORM . " '" .
|
|
FRIENDICA_CODENAME . "' " .
|
|
FRIENDICA_VERSION . '-' .
|
|
DB_UPDATE_VERSION . '; ' .
|
|
$this->getBaseURL();
|
|
}
|
|
|
|
/**
|
|
* Checks, if the call is from the Friendica App
|
|
*
|
|
* Reason:
|
|
* The friendica client has problems with the GUID in the notify. this is some workaround
|
|
*/
|
|
private function checkFriendicaApp()
|
|
{
|
|
// Friendica-Client
|
|
$this->isFriendicaApp = isset($_SERVER['HTTP_USER_AGENT']) && $_SERVER['HTTP_USER_AGENT'] == 'Apache-HttpClient/UNAVAILABLE (java 1.4)';
|
|
}
|
|
|
|
/**
|
|
* Is the call via the Friendica app? (not a "normale" call)
|
|
*
|
|
* @return bool true if it's from the Friendica app
|
|
*/
|
|
public function isFriendicaApp()
|
|
{
|
|
return $this->isFriendicaApp;
|
|
}
|
|
|
|
/**
|
|
* @brief Checks if the site is called via a backend process
|
|
*
|
|
* This isn't a perfect solution. But we need this check very early.
|
|
* So we cannot wait until the modules are loaded.
|
|
*
|
|
* @param string $module
|
|
* @return bool
|
|
*/
|
|
private function checkBackend($module) {
|
|
static $backends = [
|
|
'_well_known',
|
|
'api',
|
|
'dfrn_notify',
|
|
'feed',
|
|
'fetch',
|
|
'followers',
|
|
'following',
|
|
'hcard',
|
|
'hostxrd',
|
|
'inbox',
|
|
'manifest',
|
|
'nodeinfo',
|
|
'noscrape',
|
|
'objects',
|
|
'outbox',
|
|
'poco',
|
|
'post',
|
|
'proxy',
|
|
'pubsub',
|
|
'pubsubhubbub',
|
|
'receive',
|
|
'rsd_xml',
|
|
'salmon',
|
|
'statistics_json',
|
|
'xrd',
|
|
];
|
|
|
|
// Check if current module is in backend or backend flag is set
|
|
return in_array($module, $backends);
|
|
}
|
|
|
|
/**
|
|
* Returns true, if the call is from a backend node (f.e. from a worker)
|
|
*
|
|
* @return bool Is it a known backend?
|
|
*/
|
|
public function isBackend()
|
|
{
|
|
return $this->isBackend;
|
|
}
|
|
|
|
/**
|
|
* @brief Checks if the maximum number of database processes is reached
|
|
*
|
|
* @return bool Is the limit reached?
|
|
*/
|
|
public function isMaxProcessesReached()
|
|
{
|
|
// Deactivated, needs more investigating if this check really makes sense
|
|
return false;
|
|
|
|
/*
|
|
* Commented out to suppress static analyzer issues
|
|
*
|
|
if ($this->is_backend()) {
|
|
$process = 'backend';
|
|
$max_processes = $this->config->get('system', 'max_processes_backend');
|
|
if (intval($max_processes) == 0) {
|
|
$max_processes = 5;
|
|
}
|
|
} else {
|
|
$process = 'frontend';
|
|
$max_processes = $this->config->get('system', 'max_processes_frontend');
|
|
if (intval($max_processes) == 0) {
|
|
$max_processes = 20;
|
|
}
|
|
}
|
|
|
|
$processlist = DBA::processlist();
|
|
if ($processlist['list'] != '') {
|
|
Core\Logger::log('Processcheck: Processes: ' . $processlist['amount'] . ' - Processlist: ' . $processlist['list'], Core\Logger::DEBUG);
|
|
|
|
if ($processlist['amount'] > $max_processes) {
|
|
Core\Logger::log('Processcheck: Maximum number of processes for ' . $process . ' tasks (' . $max_processes . ') reached.', Core\Logger::DEBUG);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
*/
|
|
}
|
|
|
|
/**
|
|
* @brief Checks if the minimal memory is reached
|
|
*
|
|
* @return bool Is the memory limit reached?
|
|
* @throws InternalServerErrorException
|
|
*/
|
|
public function isMinMemoryReached()
|
|
{
|
|
$min_memory = $this->config->get('system', 'min_memory', 0);
|
|
if ($min_memory == 0) {
|
|
return false;
|
|
}
|
|
|
|
if (!is_readable('/proc/meminfo')) {
|
|
return false;
|
|
}
|
|
|
|
$memdata = explode("\n", file_get_contents('/proc/meminfo'));
|
|
|
|
$meminfo = [];
|
|
foreach ($memdata as $line) {
|
|
$data = explode(':', $line);
|
|
if (count($data) != 2) {
|
|
continue;
|
|
}
|
|
list($key, $val) = $data;
|
|
$meminfo[$key] = (int) trim(str_replace('kB', '', $val));
|
|
$meminfo[$key] = (int) ($meminfo[$key] / 1024);
|
|
}
|
|
|
|
if (!isset($meminfo['MemFree'])) {
|
|
return false;
|
|
}
|
|
|
|
$free = $meminfo['MemFree'];
|
|
|
|
$reached = ($free < $min_memory);
|
|
|
|
if ($reached) {
|
|
Core\Logger::log('Minimal memory reached: ' . $free . '/' . $meminfo['MemTotal'] . ' - limit ' . $min_memory, Core\Logger::DEBUG);
|
|
}
|
|
|
|
return $reached;
|
|
}
|
|
|
|
/**
|
|
* @brief Checks if the maximum load is reached
|
|
*
|
|
* @return bool Is the load reached?
|
|
* @throws InternalServerErrorException
|
|
*/
|
|
public function isMaxLoadReached()
|
|
{
|
|
if ($this->isBackend()) {
|
|
$process = 'backend';
|
|
$maxsysload = intval($this->config->get('system', 'maxloadavg'));
|
|
if ($maxsysload < 1) {
|
|
$maxsysload = 50;
|
|
}
|
|
} else {
|
|
$process = 'frontend';
|
|
$maxsysload = intval($this->config->get('system', 'maxloadavg_frontend'));
|
|
if ($maxsysload < 1) {
|
|
$maxsysload = 50;
|
|
}
|
|
}
|
|
|
|
$load = Core\System::currentLoad();
|
|
if ($load) {
|
|
if (intval($load) > $maxsysload) {
|
|
Core\Logger::log('system: load ' . $load . ' for ' . $process . ' tasks (' . $maxsysload . ') too high.');
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Executes a child process with 'proc_open'
|
|
*
|
|
* @param string $command The command to execute
|
|
* @param array $args Arguments to pass to the command ( [ 'key' => value, 'key2' => value2, ... ]
|
|
* @throws InternalServerErrorException
|
|
*/
|
|
public function proc_run($command, $args)
|
|
{
|
|
if (!function_exists('proc_open')) {
|
|
return;
|
|
}
|
|
|
|
$cmdline = $this->config->get('config', 'php_path', 'php') . ' ' . escapeshellarg($command);
|
|
|
|
foreach ($args as $key => $value) {
|
|
if (!is_null($value) && is_bool($value) && !$value) {
|
|
continue;
|
|
}
|
|
|
|
$cmdline .= ' --' . $key;
|
|
if (!is_null($value) && !is_bool($value)) {
|
|
$cmdline .= ' ' . $value;
|
|
}
|
|
}
|
|
|
|
if ($this->isMinMemoryReached()) {
|
|
return;
|
|
}
|
|
|
|
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
|
|
$resource = proc_open('cmd /c start /b ' . $cmdline, [], $foo, $this->getBasePath());
|
|
} else {
|
|
$resource = proc_open($cmdline . ' &', [], $foo, $this->getBasePath());
|
|
}
|
|
if (!is_resource($resource)) {
|
|
Core\Logger::log('We got no resource for command ' . $cmdline, Core\Logger::DEBUG);
|
|
return;
|
|
}
|
|
proc_close($resource);
|
|
}
|
|
|
|
/**
|
|
* Generates the site's default sender email address
|
|
*
|
|
* @return string
|
|
* @throws InternalServerErrorException
|
|
*/
|
|
public function getSenderEmailAddress()
|
|
{
|
|
$sender_email = $this->config->get('config', 'sender_email');
|
|
if (empty($sender_email)) {
|
|
$hostname = $this->baseURL->getHostname();
|
|
if (strpos($hostname, ':')) {
|
|
$hostname = substr($hostname, 0, strpos($hostname, ':'));
|
|
}
|
|
|
|
$sender_email = 'noreply@' . $hostname;
|
|
}
|
|
|
|
return $sender_email;
|
|
}
|
|
|
|
/**
|
|
* Returns the current theme name.
|
|
*
|
|
* @return string the name of the current theme
|
|
* @throws InternalServerErrorException
|
|
*/
|
|
public function getCurrentTheme()
|
|
{
|
|
if ($this->getMode()->isInstall()) {
|
|
return '';
|
|
}
|
|
|
|
if (!$this->currentTheme) {
|
|
$this->computeCurrentTheme();
|
|
}
|
|
|
|
return $this->currentTheme;
|
|
}
|
|
|
|
public function setCurrentTheme($theme)
|
|
{
|
|
$this->currentTheme = $theme;
|
|
}
|
|
|
|
/**
|
|
* Computes the current theme name based on the node settings, the user settings and the device type
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
private function computeCurrentTheme()
|
|
{
|
|
$system_theme = $this->config->get('system', 'theme');
|
|
if (!$system_theme) {
|
|
throw new Exception(Core\L10n::t('No system theme config value set.'));
|
|
}
|
|
|
|
// Sane default
|
|
$this->currentTheme = $system_theme;
|
|
|
|
$page_theme = null;
|
|
// Find the theme that belongs to the user whose stuff we are looking at
|
|
if ($this->profile_uid && ($this->profile_uid != local_user())) {
|
|
// Allow folks to override user themes and always use their own on their own site.
|
|
// This works only if the user is on the same server
|
|
$user = DBA::selectFirst('user', ['theme'], ['uid' => $this->profile_uid]);
|
|
if (DBA::isResult($user) && !Core\PConfig::get(local_user(), 'system', 'always_my_theme')) {
|
|
$page_theme = $user['theme'];
|
|
}
|
|
}
|
|
|
|
$user_theme = Core\Session::get('theme', $system_theme);
|
|
|
|
// Specific mobile theme override
|
|
if (($this->is_mobile || $this->is_tablet) && Core\Session::get('show-mobile', true)) {
|
|
$system_mobile_theme = $this->config->get('system', 'mobile-theme');
|
|
$user_mobile_theme = Core\Session::get('mobile-theme', $system_mobile_theme);
|
|
|
|
// --- means same mobile theme as desktop
|
|
if (!empty($user_mobile_theme) && $user_mobile_theme !== '---') {
|
|
$user_theme = $user_mobile_theme;
|
|
}
|
|
}
|
|
|
|
if ($page_theme) {
|
|
$theme_name = $page_theme;
|
|
} else {
|
|
$theme_name = $user_theme;
|
|
}
|
|
|
|
$theme_name = Strings::sanitizeFilePathItem($theme_name);
|
|
if ($theme_name
|
|
&& in_array($theme_name, Theme::getAllowedList())
|
|
&& (file_exists('view/theme/' . $theme_name . '/style.css')
|
|
|| file_exists('view/theme/' . $theme_name . '/style.php'))
|
|
) {
|
|
$this->currentTheme = $theme_name;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Return full URL to theme which is currently in effect.
|
|
*
|
|
* Provide a sane default if nothing is chosen or the specified theme does not exist.
|
|
*
|
|
* @return string
|
|
* @throws InternalServerErrorException
|
|
*/
|
|
public function getCurrentThemeStylesheetPath()
|
|
{
|
|
return Core\Theme::getStylesheetPath($this->getCurrentTheme());
|
|
}
|
|
|
|
/**
|
|
* Check if request was an AJAX (xmlhttprequest) request.
|
|
*
|
|
* @return boolean true if it was an AJAX request
|
|
*/
|
|
public function isAjax()
|
|
{
|
|
return $this->isAjax;
|
|
}
|
|
|
|
/**
|
|
* Returns the value of a argv key
|
|
* TODO there are a lot of $a->argv usages in combination with defaults() which can be replaced with this method
|
|
*
|
|
* @param int $position the position of the argument
|
|
* @param mixed $default the default value if not found
|
|
*
|
|
* @return mixed returns the value of the argument
|
|
*/
|
|
public function getArgumentValue($position, $default = '')
|
|
{
|
|
if (array_key_exists($position, $this->argv)) {
|
|
return $this->argv[$position];
|
|
}
|
|
|
|
return $default;
|
|
}
|
|
|
|
/**
|
|
* Sets the base url for use in cmdline programs which don't have
|
|
* $_SERVER variables
|
|
*/
|
|
public function checkURL()
|
|
{
|
|
$url = $this->config->get('system', 'url');
|
|
|
|
// if the url isn't set or the stored url is radically different
|
|
// than the currently visited url, store the current value accordingly.
|
|
// "Radically different" ignores common variations such as http vs https
|
|
// and www.example.com vs example.com.
|
|
// We will only change the url to an ip address if there is no existing setting
|
|
|
|
if (empty($url) || (!Util\Strings::compareLink($url, $this->getBaseURL())) && (!preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/", $this->baseURL->getHostname()))) {
|
|
$this->config->set('system', 'url', $this->getBaseURL());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Frontend App script
|
|
*
|
|
* The App object behaves like a container and a dispatcher at the same time, including a representation of the
|
|
* request and a representation of the response.
|
|
*
|
|
* This probably should change to limit the size of this monster method.
|
|
*/
|
|
public function runFrontend()
|
|
{
|
|
// Missing DB connection: ERROR
|
|
if ($this->getMode()->has(App\Mode::LOCALCONFIGPRESENT) && !$this->getMode()->has(App\Mode::DBAVAILABLE)) {
|
|
Core\System::httpExit(500, ['title' => 'Error 500 - Internal Server Error', 'description' => 'Apologies but the website is unavailable at the moment.']);
|
|
}
|
|
|
|
// Max Load Average reached: ERROR
|
|
if ($this->isMaxProcessesReached() || $this->isMaxLoadReached()) {
|
|
header('Retry-After: 120');
|
|
header('Refresh: 120; url=' . $this->getBaseURL() . "/" . $this->query_string);
|
|
|
|
Core\System::httpExit(503, ['title' => 'Error 503 - Service Temporarily Unavailable', 'description' => 'Core\System is currently overloaded. Please try again later.']);
|
|
}
|
|
|
|
if (strstr($this->query_string, '.well-known/host-meta') && ($this->query_string != '.well-known/host-meta')) {
|
|
Core\System::httpExit(404);
|
|
}
|
|
|
|
if (!$this->getMode()->isInstall()) {
|
|
// Force SSL redirection
|
|
if ($this->baseURL->checkRedirectHttps()) {
|
|
header('HTTP/1.1 302 Moved Temporarily');
|
|
header('Location: ' . $this->getBaseURL() . '/' . $this->query_string);
|
|
exit();
|
|
}
|
|
|
|
Core\Session::init();
|
|
Core\Hook::callAll('init_1');
|
|
}
|
|
|
|
// Exclude the backend processes from the session management
|
|
if (!$this->isBackend()) {
|
|
$stamp1 = microtime(true);
|
|
session_start();
|
|
$this->profiler->saveTimestamp($stamp1, 'parser', Core\System::callstack());
|
|
Core\L10n::setSessionVariable();
|
|
Core\L10n::setLangFromSession();
|
|
} else {
|
|
$_SESSION = [];
|
|
Core\Worker::executeIfIdle();
|
|
}
|
|
|
|
if ($this->getMode()->isNormal()) {
|
|
$requester = HTTPSignature::getSigner('', $_SERVER);
|
|
if (!empty($requester)) {
|
|
Profile::addVisitorCookieForHandle($requester);
|
|
}
|
|
}
|
|
|
|
// ZRL
|
|
if (!empty($_GET['zrl']) && $this->getMode()->isNormal()) {
|
|
$this->query_string = Model\Profile::stripZrls($this->query_string);
|
|
if (!local_user()) {
|
|
// Only continue when the given profile link seems valid
|
|
// Valid profile links contain a path with "/profile/" and no query parameters
|
|
if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") &&
|
|
strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
|
|
if (defaults($_SESSION, "visitor_home", "") != $_GET["zrl"]) {
|
|
$_SESSION['my_url'] = $_GET['zrl'];
|
|
$_SESSION['authenticated'] = 0;
|
|
}
|
|
Model\Profile::zrlInit($this);
|
|
} else {
|
|
// Someone came with an invalid parameter, maybe as a DDoS attempt
|
|
// We simply stop processing here
|
|
Core\Logger::log("Invalid ZRL parameter " . $_GET['zrl'], Core\Logger::DEBUG);
|
|
Core\System::httpExit(403, ['title' => '403 Forbidden']);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!empty($_GET['owt']) && $this->getMode()->isNormal()) {
|
|
$token = $_GET['owt'];
|
|
$this->query_string = Model\Profile::stripQueryParam($this->query_string, 'owt');
|
|
Model\Profile::openWebAuthInit($token);
|
|
}
|
|
|
|
Module\Login::sessionAuth();
|
|
|
|
if (empty($_SESSION['authenticated'])) {
|
|
header('X-Account-Management-Status: none');
|
|
}
|
|
|
|
$_SESSION['sysmsg'] = defaults($_SESSION, 'sysmsg' , []);
|
|
$_SESSION['sysmsg_info'] = defaults($_SESSION, 'sysmsg_info' , []);
|
|
$_SESSION['last_updated'] = defaults($_SESSION, 'last_updated', []);
|
|
|
|
/*
|
|
* check_config() is responsible for running update scripts. These automatically
|
|
* update the DB schema whenever we push a new one out. It also checks to see if
|
|
* any addons have been added or removed and reacts accordingly.
|
|
*/
|
|
|
|
// in install mode, any url loads install module
|
|
// but we need "view" module for stylesheet
|
|
if ($this->getMode()->isInstall() && $this->module != 'view') {
|
|
$this->module = 'install';
|
|
} elseif (!$this->getMode()->has(App\Mode::MAINTENANCEDISABLED) && $this->module != 'view') {
|
|
$this->module = 'maintenance';
|
|
} else {
|
|
$this->checkURL();
|
|
Core\Update::check($this->getBasePath(), false, $this->getMode());
|
|
Core\Addon::loadAddons();
|
|
Core\Hook::loadHooks();
|
|
}
|
|
|
|
$this->page = [
|
|
'aside' => '',
|
|
'bottom' => '',
|
|
'content' => '',
|
|
'footer' => '',
|
|
'htmlhead' => '',
|
|
'nav' => '',
|
|
'page_title' => '',
|
|
'right_aside' => '',
|
|
'template' => '',
|
|
'title' => ''
|
|
];
|
|
|
|
if (strlen($this->module)) {
|
|
// Compatibility with the Android Diaspora client
|
|
if ($this->module == 'stream') {
|
|
$this->internalRedirect('network?f=&order=post');
|
|
}
|
|
|
|
if ($this->module == 'conversations') {
|
|
$this->internalRedirect('message');
|
|
}
|
|
|
|
if ($this->module == 'commented') {
|
|
$this->internalRedirect('network?f=&order=comment');
|
|
}
|
|
|
|
if ($this->module == 'liked') {
|
|
$this->internalRedirect('network?f=&order=comment');
|
|
}
|
|
|
|
if ($this->module == 'activity') {
|
|
$this->internalRedirect('network/?f=&conv=1');
|
|
}
|
|
|
|
if (($this->module == 'status_messages') && ($this->cmd == 'status_messages/new')) {
|
|
$this->internalRedirect('bookmarklet');
|
|
}
|
|
|
|
if (($this->module == 'user') && ($this->cmd == 'user/edit')) {
|
|
$this->internalRedirect('settings');
|
|
}
|
|
|
|
if (($this->module == 'tag_followings') && ($this->cmd == 'tag_followings/manage')) {
|
|
$this->internalRedirect('search');
|
|
}
|
|
|
|
// Compatibility with the Firefox App
|
|
if (($this->module == "users") && ($this->cmd == "users/sign_in")) {
|
|
$this->module = "login";
|
|
}
|
|
|
|
/*
|
|
* ROUTING
|
|
*
|
|
* From the request URL, routing consists of obtaining the name of a BaseModule-extending class of which the
|
|
* post() and/or content() static methods can be respectively called to produce a data change or an output.
|
|
*/
|
|
|
|
// First we try explicit routes defined in App\Router
|
|
$this->router->collectRoutes();
|
|
|
|
$data = $this->router->getRouteCollector();
|
|
Hook::callAll('route_collection', $data);
|
|
|
|
$this->module_class = $this->router->getModuleClass($this->cmd);
|
|
|
|
// Then we try addon-provided modules that we wrap in the LegacyModule class
|
|
if (!$this->module_class && Core\Addon::isEnabled($this->module) && file_exists("addon/{$this->module}/{$this->module}.php")) {
|
|
//Check if module is an app and if public access to apps is allowed or not
|
|
$privateapps = $this->config->get('config', 'private_addons', false);
|
|
if ((!local_user()) && Core\Hook::isAddonApp($this->module) && $privateapps) {
|
|
info(Core\L10n::t("You must be logged in to use addons. "));
|
|
} else {
|
|
include_once "addon/{$this->module}/{$this->module}.php";
|
|
if (function_exists($this->module . '_module')) {
|
|
LegacyModule::setModuleFile("addon/{$this->module}/{$this->module}.php");
|
|
$this->module_class = 'Friendica\\LegacyModule';
|
|
}
|
|
}
|
|
}
|
|
|
|
// Then we try name-matching a Friendica\Module class
|
|
if (!$this->module_class && class_exists('Friendica\\Module\\' . ucfirst($this->module))) {
|
|
$this->module_class = 'Friendica\\Module\\' . ucfirst($this->module);
|
|
}
|
|
|
|
/* Finally, we look for a 'standard' program module in the 'mod' directory
|
|
* We emulate a Module class through the LegacyModule class
|
|
*/
|
|
if (!$this->module_class && file_exists("mod/{$this->module}.php")) {
|
|
LegacyModule::setModuleFile("mod/{$this->module}.php");
|
|
$this->module_class = 'Friendica\\LegacyModule';
|
|
}
|
|
|
|
/* The URL provided does not resolve to a valid module.
|
|
*
|
|
* On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
|
|
* We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
|
|
* we are going to trap this and redirect back to the requested page. As long as you don't have a critical error on your page
|
|
* this will often succeed and eventually do the right thing.
|
|
*
|
|
* Otherwise we are going to emit a 404 not found.
|
|
*/
|
|
if (!$this->module_class) {
|
|
// Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
|
|
if (!empty($_SERVER['QUERY_STRING']) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
|
|
exit();
|
|
}
|
|
|
|
if (!empty($_SERVER['QUERY_STRING']) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
|
|
Core\Logger::log('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
|
|
$this->internalRedirect($_SERVER['REQUEST_URI']);
|
|
}
|
|
|
|
Core\Logger::log('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], Core\Logger::DEBUG);
|
|
|
|
header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . Core\L10n::t('Not Found'));
|
|
$tpl = Core\Renderer::getMarkupTemplate("404.tpl");
|
|
$this->page['content'] = Core\Renderer::replaceMacros($tpl, [
|
|
'$message' => Core\L10n::t('Page not found.')
|
|
]);
|
|
}
|
|
}
|
|
|
|
$content = '';
|
|
|
|
// Initialize module that can set the current theme in the init() method, either directly or via App->profile_uid
|
|
if ($this->module_class) {
|
|
$this->page['page_title'] = $this->module;
|
|
$placeholder = '';
|
|
|
|
Core\Hook::callAll($this->module . '_mod_init', $placeholder);
|
|
|
|
call_user_func([$this->module_class, 'init']);
|
|
|
|
// "rawContent" is especially meant for technical endpoints.
|
|
// This endpoint doesn't need any theme initialization or other comparable stuff.
|
|
if (!$this->error) {
|
|
call_user_func([$this->module_class, 'rawContent']);
|
|
}
|
|
}
|
|
|
|
// Load current theme info after module has been initialized as theme could have been set in module
|
|
$theme_info_file = 'view/theme/' . $this->getCurrentTheme() . '/theme.php';
|
|
if (file_exists($theme_info_file)) {
|
|
require_once $theme_info_file;
|
|
}
|
|
|
|
if (function_exists(str_replace('-', '_', $this->getCurrentTheme()) . '_init')) {
|
|
$func = str_replace('-', '_', $this->getCurrentTheme()) . '_init';
|
|
$func($this);
|
|
}
|
|
|
|
if ($this->module_class) {
|
|
if (! $this->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
|
|
Core\Hook::callAll($this->module . '_mod_post', $_POST);
|
|
call_user_func([$this->module_class, 'post']);
|
|
}
|
|
|
|
if (! $this->error) {
|
|
Core\Hook::callAll($this->module . '_mod_afterpost', $placeholder);
|
|
call_user_func([$this->module_class, 'afterpost']);
|
|
}
|
|
|
|
if (! $this->error) {
|
|
$arr = ['content' => $content];
|
|
Core\Hook::callAll($this->module . '_mod_content', $arr);
|
|
$content = $arr['content'];
|
|
$arr = ['content' => call_user_func([$this->module_class, 'content'])];
|
|
Core\Hook::callAll($this->module . '_mod_aftercontent', $arr);
|
|
$content .= $arr['content'];
|
|
}
|
|
}
|
|
|
|
// initialise content region
|
|
if ($this->getMode()->isNormal()) {
|
|
Core\Hook::callAll('page_content_top', $this->page['content']);
|
|
}
|
|
|
|
$this->page['content'] .= $content;
|
|
|
|
/* Create the page head after setting the language
|
|
* and getting any auth credentials.
|
|
*
|
|
* Moved initHead() and initFooter() to after
|
|
* all the module functions have executed so that all
|
|
* theme choices made by the modules can take effect.
|
|
*/
|
|
$this->initHead();
|
|
|
|
/* Build the page ending -- this is stuff that goes right before
|
|
* the closing </body> tag
|
|
*/
|
|
$this->initFooter();
|
|
|
|
/* now that we've been through the module content, see if the page reported
|
|
* a permission problem and if so, a 403 response would seem to be in order.
|
|
*/
|
|
if (stristr(implode("", $_SESSION['sysmsg']), Core\L10n::t('Permission denied'))) {
|
|
header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . Core\L10n::t('Permission denied.'));
|
|
}
|
|
|
|
if (!$this->isAjax()) {
|
|
Core\Hook::callAll('page_end', $this->page['content']);
|
|
}
|
|
|
|
// Add the navigation (menu) template
|
|
if ($this->module != 'install' && $this->module != 'maintenance') {
|
|
$this->page['htmlhead'] .= Core\Renderer::replaceMacros(Core\Renderer::getMarkupTemplate('nav_head.tpl'), []);
|
|
$this->page['nav'] = Content\Nav::build($this);
|
|
}
|
|
|
|
// Build the page - now that we have all the components
|
|
if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
|
|
$doc = new DOMDocument();
|
|
|
|
$target = new DOMDocument();
|
|
$target->loadXML("<root></root>");
|
|
|
|
$content = mb_convert_encoding($this->page["content"], 'HTML-ENTITIES', "UTF-8");
|
|
|
|
/// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
|
|
@$doc->loadHTML($content);
|
|
|
|
$xpath = new DOMXPath($doc);
|
|
|
|
$list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
|
|
|
|
foreach ($list as $item) {
|
|
$item = $target->importNode($item, true);
|
|
|
|
// And then append it to the target
|
|
$target->documentElement->appendChild($item);
|
|
}
|
|
|
|
if ($_GET["mode"] == "raw") {
|
|
header("Content-type: text/html; charset=utf-8");
|
|
|
|
echo substr($target->saveHTML(), 6, -8);
|
|
|
|
exit();
|
|
}
|
|
}
|
|
|
|
$page = $this->page;
|
|
$profile = $this->profile;
|
|
|
|
header("X-Friendica-Version: " . FRIENDICA_VERSION);
|
|
header("Content-type: text/html; charset=utf-8");
|
|
|
|
if ($this->config->get('system', 'hsts') && ($this->baseURL->getSSLPolicy() == BaseUrl::SSL_POLICY_FULL)) {
|
|
header("Strict-Transport-Security: max-age=31536000");
|
|
}
|
|
|
|
// Some security stuff
|
|
header('X-Content-Type-Options: nosniff');
|
|
header('X-XSS-Protection: 1; mode=block');
|
|
header('X-Permitted-Cross-Domain-Policies: none');
|
|
header('X-Frame-Options: sameorigin');
|
|
|
|
// Things like embedded OSM maps don't work, when this is enabled
|
|
// header("Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; connect-src 'self'; style-src 'self' 'unsafe-inline'; font-src 'self'; img-src 'self' https: data:; media-src 'self' https:; child-src 'self' https:; object-src 'none'");
|
|
|
|
/* We use $_GET["mode"] for special page templates. So we will check if we have
|
|
* to load another page template than the default one.
|
|
* The page templates are located in /view/php/ or in the theme directory.
|
|
*/
|
|
if (isset($_GET["mode"])) {
|
|
$template = Core\Theme::getPathForFile($_GET["mode"] . '.php');
|
|
}
|
|
|
|
// If there is no page template use the default page template
|
|
if (empty($template)) {
|
|
$template = Core\Theme::getPathForFile("default.php");
|
|
}
|
|
|
|
// Theme templates expect $a as an App instance
|
|
$a = $this;
|
|
|
|
// Used as is in view/php/default.php
|
|
$lang = Core\L10n::getCurrentLang();
|
|
|
|
/// @TODO Looks unsafe (remote-inclusion), is maybe not but Core\Theme::getPathForFile() uses file_exists() but does not escape anything
|
|
require_once $template;
|
|
}
|
|
|
|
/**
|
|
* Redirects to another module relative to the current Friendica base.
|
|
* If you want to redirect to a external URL, use System::externalRedirectTo()
|
|
*
|
|
* @param string $toUrl The destination URL (Default is empty, which is the default page of the Friendica node)
|
|
* @param bool $ssl if true, base URL will try to get called with https:// (works just for relative paths)
|
|
*
|
|
* @throws InternalServerErrorException In Case the given URL is not relative to the Friendica node
|
|
*/
|
|
public function internalRedirect($toUrl = '', $ssl = false)
|
|
{
|
|
if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
|
|
throw new InternalServerErrorException("'$toUrl is not a relative path, please use System::externalRedirectTo");
|
|
}
|
|
|
|
$redirectTo = $this->getBaseURL($ssl) . '/' . ltrim($toUrl, '/');
|
|
Core\System::externalRedirect($redirectTo);
|
|
}
|
|
|
|
/**
|
|
* 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 $toUrl The target URL
|
|
* @throws InternalServerErrorException
|
|
*/
|
|
public function redirect($toUrl)
|
|
{
|
|
if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
|
|
Core\System::externalRedirect($toUrl);
|
|
} else {
|
|
$this->internalRedirect($toUrl);
|
|
}
|
|
}
|
|
}
|