1429 lines
37 KiB
PHP
1429 lines
37 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 Friendica\Core\Config;
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use Friendica\Core\L10n;
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use Friendica\Core\PConfig;
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use Friendica\Core\System;
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use Friendica\Database\DBM;
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use dba;
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use Detection\MobileDetect;
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use Exception;
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require_once 'boot.php';
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require_once 'include/dba.php';
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require_once 'include/text.php';
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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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const MODE_LOCALCONFIGPRESENT = 1;
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const MODE_DBAVAILABLE = 2;
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const MODE_DBCONFIGAVAILABLE = 4;
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const MODE_MAINTENANCEDISABLED = 8;
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/**
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* @deprecated since version 2008.08 Use App->isInstallMode() instead to check for install mode.
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*/
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const MODE_INSTALL = 0;
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/**
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* @deprecated since version 2008.08 Use the precise mode constant to check for a specific capability instead.
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*/
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const MODE_NORMAL = App::MODE_LOCALCONFIGPRESENT | App::MODE_DBAVAILABLE | App::MODE_DBCONFIGAVAILABLE | App::MODE_MAINTENANCEDISABLED;
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public $module_loaded = false;
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public $module_class = null;
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public $query_string = '';
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public $config = [];
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public $page = [];
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public $pager = [];
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public $page_offset;
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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 $mode = App::MODE_INSTALL;
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public $strings;
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public $basepath;
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public $urlpath;
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public $hooks = [];
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public $timezone;
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public $interactive = true;
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public $addons;
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public $addons_admin = [];
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public $apps = [];
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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 $is_friendica_app;
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public $performance = [];
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public $callstack = [];
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public $theme_info = [];
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public $backend = true;
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public $nav_sel;
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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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/**
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* @brief An array for all theme-controllable parameters
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*
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* Mostly unimplemented yet. Only options 'template_engine' and
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* beyond are used.
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*/
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public $theme = [
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'sourcename' => '',
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'videowidth' => 425,
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'videoheight' => 350,
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'force_max_items' => 0,
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'stylesheet' => '',
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'template_engine' => 'smarty3',
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];
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/**
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* @brief An array of registered template engines ('name'=>'class name')
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*/
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public $template_engines = [];
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/**
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* @brief An array of instanced template engines ('name'=>'instance')
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*/
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public $template_engine_instance = [];
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public $process_id;
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public $queue;
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private $ldelim = [
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'internal' => '',
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'smarty3' => '{{'
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];
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private $rdelim = [
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'internal' => '',
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'smarty3' => '}}'
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];
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private $scheme;
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private $hostname;
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private $curl_code;
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private $curl_content_type;
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private $curl_headers;
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/**
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* @brief App constructor.
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*
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* @param string $basepath Path to the app base folder
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*/
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public function __construct($basepath)
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{
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if (!static::directory_usable($basepath, false)) {
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throw new Exception('Basepath ' . $basepath . ' isn\'t usable.');
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}
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BaseObject::setApp($this);
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$this->basepath = rtrim($basepath, DIRECTORY_SEPARATOR);
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// The order of the following calls is important to ensure proper initialization
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$this->loadConfigFiles();
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$this->loadDatabase();
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$this->determineMode();
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$this->determineUrlPath();
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Config::load();
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if ($this->mode & self::MODE_DBAVAILABLE) {
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Core\Addon::loadHooks();
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$this->loadAddonConfig();
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}
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$this->loadDefaultTimezone();
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$this->performance['start'] = microtime(true);
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$this->performance['database'] = 0;
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$this->performance['database_write'] = 0;
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$this->performance['cache'] = 0;
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$this->performance['cache_write'] = 0;
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$this->performance['network'] = 0;
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$this->performance['file'] = 0;
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$this->performance['rendering'] = 0;
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$this->performance['parser'] = 0;
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$this->performance['marktime'] = 0;
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$this->performance['markstart'] = microtime(true);
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$this->callstack['database'] = [];
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$this->callstack['database_write'] = [];
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$this->callstack['cache'] = [];
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$this->callstack['cache_write'] = [];
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$this->callstack['network'] = [];
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$this->callstack['file'] = [];
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$this->callstack['rendering'] = [];
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$this->callstack['parser'] = [];
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$this->page = [
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'aside' => '',
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'bottom' => '',
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'content' => '',
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'end' => '',
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'footer' => '',
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'htmlhead' => '',
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'nav' => '',
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'page_title' => '',
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'right_aside' => '',
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'template' => '',
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'title' => ''
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];
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$this->process_id = System::processID('log');
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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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$this->scheme = 'http';
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if ((x($_SERVER, 'HTTPS') && $_SERVER['HTTPS']) ||
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(x($_SERVER, 'HTTP_FORWARDED') && preg_match('/proto=https/', $_SERVER['HTTP_FORWARDED'])) ||
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(x($_SERVER, 'HTTP_X_FORWARDED_PROTO') && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') ||
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(x($_SERVER, 'HTTP_X_FORWARDED_SSL') && $_SERVER['HTTP_X_FORWARDED_SSL'] == 'on') ||
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(x($_SERVER, 'FRONT_END_HTTPS') && $_SERVER['FRONT_END_HTTPS'] == 'on') ||
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(x($_SERVER, 'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443)) // XXX: reasonable assumption, but isn't this hardcoding too much?
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) {
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$this->scheme = 'https';
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}
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if (x($_SERVER, 'SERVER_NAME')) {
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$this->hostname = $_SERVER['SERVER_NAME'];
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if (x($_SERVER, 'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443) {
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$this->hostname .= ':' . $_SERVER['SERVER_PORT'];
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}
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}
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set_include_path(
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get_include_path() . PATH_SEPARATOR
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. $this->basepath . DIRECTORY_SEPARATOR . 'include' . PATH_SEPARATOR
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. $this->basepath . DIRECTORY_SEPARATOR . 'library' . PATH_SEPARATOR
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. $this->basepath);
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if ((x($_SERVER, 'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'], 0, 9) === 'pagename=') {
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$this->query_string = substr($_SERVER['QUERY_STRING'], 9);
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} elseif ((x($_SERVER, 'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'], 0, 2) === 'q=') {
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$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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// See if there is any page number information, and initialise pagination
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$this->pager['page'] = ((x($_GET, 'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
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$this->pager['itemspage'] = 50;
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$this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
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if ($this->pager['start'] < 0) {
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$this->pager['start'] = 0;
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}
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$this->pager['total'] = 0;
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// Detect mobile devices
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$mobile_detect = new MobileDetect();
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$this->is_mobile = $mobile_detect->isMobile();
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$this->is_tablet = $mobile_detect->isTablet();
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// Friendica-Client
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$this->is_friendica_app = isset($_SERVER['HTTP_USER_AGENT']) && $_SERVER['HTTP_USER_AGENT'] == 'Apache-HttpClient/UNAVAILABLE (java 1.4)';
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// Register template engines
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$this->register_template_engine('Friendica\Render\FriendicaSmartyEngine');
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}
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/**
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* Load the configuration files
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*
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* First loads the default value for all the configuration keys, then the legacy configuration files, then the
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* expected local.ini.php
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*/
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private function loadConfigFiles()
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{
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$this->loadConfigFile($this->basepath . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'defaults.ini.php');
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// Legacy .htconfig.php support
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if (file_exists($this->basepath . DIRECTORY_SEPARATOR . '.htpreconfig.php')) {
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$a = $this;
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include $this->basepath . DIRECTORY_SEPARATOR . '.htpreconfig.php';
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}
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// Legacy .htconfig.php support
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if (file_exists($this->basepath . DIRECTORY_SEPARATOR . '.htconfig.php')) {
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$a = $this;
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include $this->basepath . DIRECTORY_SEPARATOR . '.htconfig.php';
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unset($db_host, $db_user, $db_pass, $db_data);
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if (isset($default_timezone)) {
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$this->setConfigValue('system', 'default_timezone', $default_timezone);
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unset($default_timezone);
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}
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if (isset($pidfile)) {
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$this->setConfigValue('system', 'pidfile', $pidfile);
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unset($pidfile);
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}
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}
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if (file_exists($this->basepath . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'local.ini.php')) {
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$this->loadConfigFile($this->basepath . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'local.ini.php');
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}
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}
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/**
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* Tries to load the specified configuration file into the App->config array.
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* Overwrites previously set values.
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*
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* The config format is INI and the template for configuration files is the following:
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*
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* <?php return <<<INI
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*
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* [section]
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* key = value
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*
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* INI;
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* // Keep this line
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*
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* @param type $filepath
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* @throws Exception
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*/
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public function loadConfigFile($filepath)
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{
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if (!file_exists($filepath)) {
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throw new Exception('Error parsing non-existent config file ' . $filepath);
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}
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$contents = include($filepath);
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$config = parse_ini_string($contents, true, INI_SCANNER_TYPED);
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if ($config === false) {
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throw new Exception('Error parsing config file ' . $filepath);
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}
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foreach ($config as $category => $values) {
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foreach ($values as $key => $value) {
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$this->setConfigValue($category, $key, $value);
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}
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}
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}
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/**
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* Loads addons configuration files
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*
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* First loads all activated addons default configuration throught the load_config hook, then load the local.ini.php
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* again to overwrite potential local addon configuration.
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*/
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private function loadAddonConfig()
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{
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// Loads addons default config
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Core\Addon::callHooks('load_config');
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// Load the local addon config file to overwritten default addon config values
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if (file_exists($this->basepath . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'addon.ini.php')) {
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$this->loadConfigFile($this->basepath . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'addon.ini.php');
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}
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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->getConfigValue('system', 'default_timezone')) {
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$this->timezone = $this->getConfigValue('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($this->timezone);
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}
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}
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/**
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* Figure out if we are running at the top of a domain or in a sub-directory and adjust accordingly
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*/
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private function determineUrlPath()
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{
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$this->urlpath = $this->getConfigValue('system', 'urlpath');
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/* SCRIPT_URL gives /path/to/friendica/module/parameter
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* QUERY_STRING gives pagename=module/parameter
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*
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* To get /path/to/friendica we perform dirname() for as many levels as there are slashes in the QUERY_STRING
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*/
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if (!empty($_SERVER['SCRIPT_URL'])) {
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// Module
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if (!empty($_SERVER['QUERY_STRING'])) {
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$path = trim(dirname($_SERVER['SCRIPT_URL'], substr_count(trim($_SERVER['QUERY_STRING'], '/'), '/') + 1), '/');
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} else {
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// Root page
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$path = trim($_SERVER['SCRIPT_URL'], '/');
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}
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if ($path && $path != $this->urlpath) {
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$this->urlpath = $path;
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}
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}
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}
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/**
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* Sets the App mode
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*
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* - App::MODE_INSTALL : Either the database connection can't be established or the config table doesn't exist
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* - App::MODE_MAINTENANCE: The maintenance mode has been set
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* - App::MODE_NORMAL : Normal run with all features enabled
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*
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* @return type
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*/
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private function determineMode()
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{
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$this->mode = 0;
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if (!file_exists($this->basepath . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'local.ini.php')
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&& !file_exists($this->basepath . DIRECTORY_SEPARATOR . '.htconfig.php')) {
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return;
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}
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$this->mode |= App::MODE_LOCALCONFIGPRESENT;
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if (!\dba::connected()) {
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return;
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}
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$this->mode |= App::MODE_DBAVAILABLE;
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if (\dba::fetch_first("SHOW TABLES LIKE 'config'") === false) {
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return;
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}
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$this->mode |= App::MODE_DBCONFIGAVAILABLE;
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if (Config::get('system', 'maintenance')) {
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return;
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}
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$this->mode |= App::MODE_MAINTENANCEDISABLED;
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}
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public function loadDatabase()
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{
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if (\dba::connected()) {
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return;
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}
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$db_host = $this->getConfigValue('database', 'hostname');
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$db_user = $this->getConfigValue('database', 'username');
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$db_pass = $this->getConfigValue('database', 'password');
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$db_data = $this->getConfigValue('database', 'database');
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$charset = $this->getConfigValue('database', 'charset');
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// Use environment variables for mysql if they are set beforehand
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if (!empty(getenv('MYSQL_HOST'))
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&& (!empty(getenv('MYSQL_USERNAME')) || !empty(getenv('MYSQL_USER')))
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&& getenv('MYSQL_PASSWORD') !== false
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&& !empty(getenv('MYSQL_DATABASE')))
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{
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$db_host = getenv('MYSQL_HOST');
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if (!empty(getenv('MYSQL_PORT'))) {
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$db_host .= ':' . getenv('MYSQL_PORT');
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}
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if (!empty(getenv('MYSQL_USERNAME'))) {
|
|
$db_user = getenv('MYSQL_USERNAME');
|
|
} else {
|
|
$db_user = getenv('MYSQL_USER');
|
|
}
|
|
$db_pass = (string) getenv('MYSQL_PASSWORD');
|
|
$db_data = getenv('MYSQL_DATABASE');
|
|
} elseif (file_exists($this->basepath . DIRECTORY_SEPARATOR . '.htconfig.php')) {
|
|
$a = new \stdClass();
|
|
include $this->basepath . DIRECTORY_SEPARATOR . '.htconfig.php';
|
|
$charset = isset($a->config["system"]["db_charset"]) ? $a->config["system"]["db_charset"] : $charset;
|
|
|
|
unset($a);
|
|
}
|
|
|
|
$stamp1 = microtime(true);
|
|
|
|
\dba::connect($db_host, $db_user, $db_pass, $db_data, $charset);
|
|
unset($db_host, $db_user, $db_pass, $db_data, $charset);
|
|
|
|
$this->save_timestamp($stamp1, "network");
|
|
}
|
|
|
|
/**
|
|
* Install mode is when the local config file is missing or the DB schema hasn't been installed yet.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function isInstallMode()
|
|
{
|
|
return !($this->mode & App::MODE_LOCALCONFIGPRESENT) || !($this->mode & App::MODE_DBCONFIGAVAILABLE);
|
|
}
|
|
|
|
/**
|
|
* @brief Returns the base filesystem path of the App
|
|
*
|
|
* It first checks for the internal variable, then for DOCUMENT_ROOT and
|
|
* finally for PWD
|
|
*
|
|
* @return string
|
|
*/
|
|
public function get_basepath()
|
|
{
|
|
$basepath = $this->basepath;
|
|
|
|
if (!$basepath) {
|
|
$basepath = Config::get('system', 'basepath');
|
|
}
|
|
|
|
if (!$basepath && x($_SERVER, 'DOCUMENT_ROOT')) {
|
|
$basepath = $_SERVER['DOCUMENT_ROOT'];
|
|
}
|
|
|
|
if (!$basepath && x($_SERVER, 'PWD')) {
|
|
$basepath = $_SERVER['PWD'];
|
|
}
|
|
|
|
return self::realpath($basepath);
|
|
}
|
|
|
|
/**
|
|
* @brief Returns a normalized file path
|
|
*
|
|
* This is a wrapper for the "realpath" function.
|
|
* That function cannot detect the real path when some folders aren't readable.
|
|
* Since this could happen with some hosters we need to handle this.
|
|
*
|
|
* @param string $path The path that is about to be normalized
|
|
* @return string normalized path - when possible
|
|
*/
|
|
public static function realpath($path)
|
|
{
|
|
$normalized = realpath($path);
|
|
|
|
if (!is_bool($normalized)) {
|
|
return $normalized;
|
|
} else {
|
|
return $path;
|
|
}
|
|
}
|
|
|
|
public function get_scheme()
|
|
{
|
|
return $this->scheme;
|
|
}
|
|
|
|
/**
|
|
* @brief Retrieves the Friendica instance base URL
|
|
*
|
|
* This function assembles the base URL from multiple parts:
|
|
* - Protocol is determined either by the request or a combination of
|
|
* system.ssl_policy and the $ssl parameter.
|
|
* - Host name is determined either by system.hostname or inferred from request
|
|
* - Path is inferred from SCRIPT_NAME
|
|
*
|
|
* Note: $ssl parameter value doesn't directly correlate with the resulting protocol
|
|
*
|
|
* @param bool $ssl Whether to append http or https under SSL_POLICY_SELFSIGN
|
|
* @return string Friendica server base URL
|
|
*/
|
|
public function get_baseurl($ssl = false)
|
|
{
|
|
$scheme = $this->scheme;
|
|
|
|
if (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL) {
|
|
$scheme = 'https';
|
|
}
|
|
|
|
// Basically, we have $ssl = true on any links which can only be seen by a logged in user
|
|
// (and also the login link). Anything seen by an outsider will have it turned off.
|
|
|
|
if (Config::get('system', 'ssl_policy') == SSL_POLICY_SELFSIGN) {
|
|
if ($ssl) {
|
|
$scheme = 'https';
|
|
} else {
|
|
$scheme = 'http';
|
|
}
|
|
}
|
|
|
|
if (Config::get('config', 'hostname') != '') {
|
|
$this->hostname = Config::get('config', 'hostname');
|
|
}
|
|
|
|
return $scheme . '://' . $this->hostname . (!empty($this->urlpath) ? '/' . $this->urlpath : '' );
|
|
}
|
|
|
|
/**
|
|
* @brief Initializes the baseurl components
|
|
*
|
|
* Clears the baseurl cache to prevent inconsistencies
|
|
*
|
|
* @param string $url
|
|
*/
|
|
public function set_baseurl($url)
|
|
{
|
|
$parsed = @parse_url($url);
|
|
$hostname = '';
|
|
|
|
if (x($parsed)) {
|
|
if (!empty($parsed['scheme'])) {
|
|
$this->scheme = $parsed['scheme'];
|
|
}
|
|
|
|
if (!empty($parsed['host'])) {
|
|
$hostname = $parsed['host'];
|
|
}
|
|
|
|
if (x($parsed, 'port')) {
|
|
$hostname .= ':' . $parsed['port'];
|
|
}
|
|
if (x($parsed, 'path')) {
|
|
$this->urlpath = trim($parsed['path'], '\\/');
|
|
}
|
|
|
|
if (file_exists($this->basepath . DIRECTORY_SEPARATOR . '.htpreconfig.php')) {
|
|
include $this->basepath . DIRECTORY_SEPARATOR . '.htpreconfig.php';
|
|
}
|
|
|
|
if (Config::get('config', 'hostname') != '') {
|
|
$this->hostname = Config::get('config', 'hostname');
|
|
}
|
|
|
|
if (!isset($this->hostname) || ($this->hostname == '')) {
|
|
$this->hostname = $hostname;
|
|
}
|
|
}
|
|
}
|
|
|
|
public function get_hostname()
|
|
{
|
|
if (Config::get('config', 'hostname') != '') {
|
|
$this->hostname = Config::get('config', 'hostname');
|
|
}
|
|
|
|
return $this->hostname;
|
|
}
|
|
|
|
public function get_path()
|
|
{
|
|
return $this->urlpath;
|
|
}
|
|
|
|
public function set_pager_total($n)
|
|
{
|
|
$this->pager['total'] = intval($n);
|
|
}
|
|
|
|
public function set_pager_itemspage($n)
|
|
{
|
|
$this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
|
|
$this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
|
|
}
|
|
|
|
public function set_pager_page($n)
|
|
{
|
|
$this->pager['page'] = $n;
|
|
$this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
|
|
}
|
|
|
|
public function init_pagehead()
|
|
{
|
|
$interval = ((local_user()) ? PConfig::get(local_user(), 'system', 'update_interval') : 40000);
|
|
|
|
// If the update is 'deactivated' set it to the highest integer number (~24 days)
|
|
if ($interval < 0) {
|
|
$interval = 2147483647;
|
|
}
|
|
|
|
if ($interval < 10000) {
|
|
$interval = 40000;
|
|
}
|
|
|
|
// compose the page title from the sitename and the
|
|
// current module called
|
|
if (!$this->module == '') {
|
|
$this->page['title'] = $this->config['sitename'] . ' (' . $this->module . ')';
|
|
} else {
|
|
$this->page['title'] = $this->config['sitename'];
|
|
}
|
|
|
|
/* put the head template at the beginning of page['htmlhead']
|
|
* since the code added by the modules frequently depends on it
|
|
* being first
|
|
*/
|
|
if (!isset($this->page['htmlhead'])) {
|
|
$this->page['htmlhead'] = '';
|
|
}
|
|
|
|
// If we're using Smarty, then doing replace_macros() will replace
|
|
// any unrecognized variables with a blank string. Since we delay
|
|
// replacing $stylesheet until later, we need to replace it now
|
|
// with another variable name
|
|
if ($this->theme['template_engine'] === 'smarty3') {
|
|
$stylesheet = $this->get_template_ldelim('smarty3') . '$stylesheet' . $this->get_template_rdelim('smarty3');
|
|
} else {
|
|
$stylesheet = '$stylesheet';
|
|
}
|
|
|
|
$shortcut_icon = Config::get('system', 'shortcut_icon');
|
|
if ($shortcut_icon == '') {
|
|
$shortcut_icon = 'images/friendica-32.png';
|
|
}
|
|
|
|
$touch_icon = Config::get('system', 'touch_icon');
|
|
if ($touch_icon == '') {
|
|
$touch_icon = 'images/friendica-128.png';
|
|
}
|
|
|
|
// get data wich is needed for infinite scroll on the network page
|
|
$invinite_scroll = infinite_scroll_data($this->module);
|
|
|
|
$tpl = get_markup_template('head.tpl');
|
|
$this->page['htmlhead'] = replace_macros($tpl, [
|
|
'$baseurl' => $this->get_baseurl(),
|
|
'$local_user' => local_user(),
|
|
'$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
|
|
'$delitem' => L10n::t('Delete this item?'),
|
|
'$showmore' => L10n::t('show more'),
|
|
'$showfewer' => L10n::t('show fewer'),
|
|
'$update_interval' => $interval,
|
|
'$shortcut_icon' => $shortcut_icon,
|
|
'$touch_icon' => $touch_icon,
|
|
'$stylesheet' => $stylesheet,
|
|
'$infinite_scroll' => $invinite_scroll,
|
|
'$block_public' => intval(Config::get('system', 'block_public')),
|
|
]) . $this->page['htmlhead'];
|
|
}
|
|
|
|
public function init_page_end()
|
|
{
|
|
if (!isset($this->page['end'])) {
|
|
$this->page['end'] = '';
|
|
}
|
|
$tpl = get_markup_template('end.tpl');
|
|
$this->page['end'] = replace_macros($tpl, [
|
|
'$baseurl' => $this->get_baseurl()
|
|
]) . $this->page['end'];
|
|
}
|
|
|
|
public function set_curl_code($code)
|
|
{
|
|
$this->curl_code = $code;
|
|
}
|
|
|
|
public function get_curl_code()
|
|
{
|
|
return $this->curl_code;
|
|
}
|
|
|
|
public function set_curl_content_type($content_type)
|
|
{
|
|
$this->curl_content_type = $content_type;
|
|
}
|
|
|
|
public function get_curl_content_type()
|
|
{
|
|
return $this->curl_content_type;
|
|
}
|
|
|
|
public function set_curl_headers($headers)
|
|
{
|
|
$this->curl_headers = $headers;
|
|
}
|
|
|
|
public function get_curl_headers()
|
|
{
|
|
return $this->curl_headers;
|
|
}
|
|
|
|
/**
|
|
* @brief Removes the base url from an url. This avoids some mixed content problems.
|
|
*
|
|
* @param string $orig_url
|
|
*
|
|
* @return string The cleaned url
|
|
*/
|
|
public function remove_baseurl($orig_url)
|
|
{
|
|
// Remove the hostname from the url if it is an internal link
|
|
$nurl = normalise_link($orig_url);
|
|
$base = normalise_link($this->get_baseurl());
|
|
$url = str_replace($base . '/', '', $nurl);
|
|
|
|
// if it is an external link return the orignal value
|
|
if ($url == normalise_link($orig_url)) {
|
|
return $orig_url;
|
|
} else {
|
|
return $url;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Register template engine class
|
|
*
|
|
* @param string $class
|
|
*/
|
|
private function register_template_engine($class)
|
|
{
|
|
$v = get_class_vars($class);
|
|
if (x($v, 'name')) {
|
|
$name = $v['name'];
|
|
$this->template_engines[$name] = $class;
|
|
} else {
|
|
echo "template engine <tt>$class</tt> cannot be registered without a name.\n";
|
|
die();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Return template engine instance.
|
|
*
|
|
* If $name is not defined, return engine defined by theme,
|
|
* or default
|
|
*
|
|
* @return object Template Engine instance
|
|
*/
|
|
public function template_engine()
|
|
{
|
|
$template_engine = 'smarty3';
|
|
if (x($this->theme, 'template_engine')) {
|
|
$template_engine = $this->theme['template_engine'];
|
|
}
|
|
|
|
if (isset($this->template_engines[$template_engine])) {
|
|
if (isset($this->template_engine_instance[$template_engine])) {
|
|
return $this->template_engine_instance[$template_engine];
|
|
} else {
|
|
$class = $this->template_engines[$template_engine];
|
|
$obj = new $class;
|
|
$this->template_engine_instance[$template_engine] = $obj;
|
|
return $obj;
|
|
}
|
|
}
|
|
|
|
echo "template engine <tt>$template_engine</tt> is not registered!\n";
|
|
killme();
|
|
}
|
|
|
|
/**
|
|
* @brief Returns the active template engine.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function get_template_engine()
|
|
{
|
|
return $this->theme['template_engine'];
|
|
}
|
|
|
|
public function set_template_engine($engine = 'smarty3')
|
|
{
|
|
$this->theme['template_engine'] = $engine;
|
|
}
|
|
|
|
public function get_template_ldelim($engine = 'smarty3')
|
|
{
|
|
return $this->ldelim[$engine];
|
|
}
|
|
|
|
public function get_template_rdelim($engine = 'smarty3')
|
|
{
|
|
return $this->rdelim[$engine];
|
|
}
|
|
|
|
public function save_timestamp($stamp, $value)
|
|
{
|
|
if (!isset($this->config['system']['profiler']) || !$this->config['system']['profiler']) {
|
|
return;
|
|
}
|
|
|
|
$duration = (float) (microtime(true) - $stamp);
|
|
|
|
if (!isset($this->performance[$value])) {
|
|
// Prevent ugly E_NOTICE
|
|
$this->performance[$value] = 0;
|
|
}
|
|
|
|
$this->performance[$value] += (float) $duration;
|
|
$this->performance['marktime'] += (float) $duration;
|
|
|
|
$callstack = System::callstack();
|
|
|
|
if (!isset($this->callstack[$value][$callstack])) {
|
|
// Prevent ugly E_NOTICE
|
|
$this->callstack[$value][$callstack] = 0;
|
|
}
|
|
|
|
$this->callstack[$value][$callstack] += (float) $duration;
|
|
}
|
|
|
|
public function get_useragent()
|
|
{
|
|
return
|
|
FRIENDICA_PLATFORM . " '" .
|
|
FRIENDICA_CODENAME . "' " .
|
|
FRIENDICA_VERSION . '-' .
|
|
DB_UPDATE_VERSION . '; ' .
|
|
$this->get_baseurl();
|
|
}
|
|
|
|
public function is_friendica_app()
|
|
{
|
|
return $this->is_friendica_app;
|
|
}
|
|
|
|
/**
|
|
* @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.
|
|
*
|
|
* @return bool Is it a known backend?
|
|
*/
|
|
public function is_backend()
|
|
{
|
|
static $backends = [
|
|
'_well_known',
|
|
'api',
|
|
'dfrn_notify',
|
|
'fetch',
|
|
'hcard',
|
|
'hostxrd',
|
|
'nodeinfo',
|
|
'noscrape',
|
|
'p',
|
|
'poco',
|
|
'post',
|
|
'proxy',
|
|
'pubsub',
|
|
'pubsubhubbub',
|
|
'receive',
|
|
'rsd_xml',
|
|
'salmon',
|
|
'statistics_json',
|
|
'xrd',
|
|
];
|
|
|
|
// Check if current module is in backend or backend flag is set
|
|
return (in_array($this->module, $backends) || $this->backend);
|
|
}
|
|
|
|
/**
|
|
* @brief Checks if the maximum number of database processes is reached
|
|
*
|
|
* @return bool Is the limit reached?
|
|
*/
|
|
public function isMaxProcessesReached()
|
|
{
|
|
// Deactivated, needs more investigating if this check really makes sense
|
|
return false;
|
|
|
|
/*
|
|
* Commented out to suppress static analyzer issues
|
|
*
|
|
if ($this->is_backend()) {
|
|
$process = 'backend';
|
|
$max_processes = Config::get('system', 'max_processes_backend');
|
|
if (intval($max_processes) == 0) {
|
|
$max_processes = 5;
|
|
}
|
|
} else {
|
|
$process = 'frontend';
|
|
$max_processes = Config::get('system', 'max_processes_frontend');
|
|
if (intval($max_processes) == 0) {
|
|
$max_processes = 20;
|
|
}
|
|
}
|
|
|
|
$processlist = DBM::processlist();
|
|
if ($processlist['list'] != '') {
|
|
logger('Processcheck: Processes: ' . $processlist['amount'] . ' - Processlist: ' . $processlist['list'], LOGGER_DEBUG);
|
|
|
|
if ($processlist['amount'] > $max_processes) {
|
|
logger('Processcheck: Maximum number of processes for ' . $process . ' tasks (' . $max_processes . ') reached.', LOGGER_DEBUG);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
*/
|
|
}
|
|
|
|
/**
|
|
* @brief Checks if the minimal memory is reached
|
|
*
|
|
* @return bool Is the memory limit reached?
|
|
*/
|
|
public function min_memory_reached()
|
|
{
|
|
$min_memory = Config::get('system', 'min_memory', 0);
|
|
if ($min_memory == 0) {
|
|
return false;
|
|
}
|
|
|
|
if (!is_readable('/proc/meminfo')) {
|
|
return false;
|
|
}
|
|
|
|
$memdata = explode("\n", file_get_contents('/proc/meminfo'));
|
|
|
|
$meminfo = [];
|
|
foreach ($memdata as $line) {
|
|
list($key, $val) = explode(':', $line);
|
|
$meminfo[$key] = (int) trim(str_replace('kB', '', $val));
|
|
$meminfo[$key] = (int) ($meminfo[$key] / 1024);
|
|
}
|
|
|
|
if (!isset($meminfo['MemAvailable']) || !isset($meminfo['MemFree'])) {
|
|
return false;
|
|
}
|
|
|
|
$free = $meminfo['MemAvailable'] + $meminfo['MemFree'];
|
|
|
|
$reached = ($free < $min_memory);
|
|
|
|
if ($reached) {
|
|
logger('Minimal memory reached: ' . $free . '/' . $meminfo['MemTotal'] . ' - limit ' . $min_memory, LOGGER_DEBUG);
|
|
}
|
|
|
|
return $reached;
|
|
}
|
|
|
|
/**
|
|
* @brief Checks if the maximum load is reached
|
|
*
|
|
* @return bool Is the load reached?
|
|
*/
|
|
public function isMaxLoadReached()
|
|
{
|
|
if ($this->is_backend()) {
|
|
$process = 'backend';
|
|
$maxsysload = intval(Config::get('system', 'maxloadavg'));
|
|
if ($maxsysload < 1) {
|
|
$maxsysload = 50;
|
|
}
|
|
} else {
|
|
$process = 'frontend';
|
|
$maxsysload = intval(Config::get('system', 'maxloadavg_frontend'));
|
|
if ($maxsysload < 1) {
|
|
$maxsysload = 50;
|
|
}
|
|
}
|
|
|
|
$load = current_load();
|
|
if ($load) {
|
|
if (intval($load) > $maxsysload) {
|
|
logger('system: load ' . $load . ' for ' . $process . ' tasks (' . $maxsysload . ') too high.');
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function proc_run($args)
|
|
{
|
|
if (!function_exists('proc_open')) {
|
|
return;
|
|
}
|
|
|
|
array_unshift($args, $this->getConfigValue('config', 'php_path', 'php'));
|
|
|
|
for ($x = 0; $x < count($args); $x ++) {
|
|
$args[$x] = escapeshellarg($args[$x]);
|
|
}
|
|
|
|
$cmdline = implode(' ', $args);
|
|
|
|
if ($this->min_memory_reached()) {
|
|
return;
|
|
}
|
|
|
|
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
|
|
$resource = proc_open('cmd /c start /b ' . $cmdline, [], $foo, $this->get_basepath());
|
|
} else {
|
|
$resource = proc_open($cmdline . ' &', [], $foo, $this->get_basepath());
|
|
}
|
|
if (!is_resource($resource)) {
|
|
logger('We got no resource for command ' . $cmdline, LOGGER_DEBUG);
|
|
return;
|
|
}
|
|
proc_close($resource);
|
|
}
|
|
|
|
/**
|
|
* @brief Returns the system user that is executing the script
|
|
*
|
|
* This mostly returns something like "www-data".
|
|
*
|
|
* @return string system username
|
|
*/
|
|
private static function systemuser()
|
|
{
|
|
if (!function_exists('posix_getpwuid') || !function_exists('posix_geteuid')) {
|
|
return '';
|
|
}
|
|
|
|
$processUser = posix_getpwuid(posix_geteuid());
|
|
return $processUser['name'];
|
|
}
|
|
|
|
/**
|
|
* @brief Checks if a given directory is usable for the system
|
|
*
|
|
* @return boolean the directory is usable
|
|
*/
|
|
public static function directory_usable($directory, $check_writable = true)
|
|
{
|
|
if ($directory == '') {
|
|
logger('Directory is empty. This shouldn\'t happen.', LOGGER_DEBUG);
|
|
return false;
|
|
}
|
|
|
|
if (!file_exists($directory)) {
|
|
logger('Path "' . $directory . '" does not exist for user ' . self::systemuser(), LOGGER_DEBUG);
|
|
return false;
|
|
}
|
|
|
|
if (is_file($directory)) {
|
|
logger('Path "' . $directory . '" is a file for user ' . self::systemuser(), LOGGER_DEBUG);
|
|
return false;
|
|
}
|
|
|
|
if (!is_dir($directory)) {
|
|
logger('Path "' . $directory . '" is not a directory for user ' . self::systemuser(), LOGGER_DEBUG);
|
|
return false;
|
|
}
|
|
|
|
if ($check_writable && !is_writable($directory)) {
|
|
logger('Path "' . $directory . '" is not writable for user ' . self::systemuser(), LOGGER_DEBUG);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param string $cat Config category
|
|
* @param string $k Config key
|
|
* @param mixed $default Default value if it isn't set
|
|
*/
|
|
public function getConfigValue($cat, $k, $default = null)
|
|
{
|
|
$return = $default;
|
|
|
|
if ($cat === 'config') {
|
|
if (isset($this->config[$k])) {
|
|
$return = $this->config[$k];
|
|
}
|
|
} else {
|
|
if (isset($this->config[$cat][$k])) {
|
|
$return = $this->config[$cat][$k];
|
|
}
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Sets a value in the config cache. Accepts raw output from the config table
|
|
*
|
|
* @param string $cat Config category
|
|
* @param string $k Config key
|
|
* @param mixed $v Value to set
|
|
*/
|
|
public function setConfigValue($cat, $k, $v)
|
|
{
|
|
// Only arrays are serialized in database, so we have to unserialize sparingly
|
|
$value = is_string($v) && preg_match("|^a:[0-9]+:{.*}$|s", $v) ? unserialize($v) : $v;
|
|
|
|
if ($cat === 'config') {
|
|
$this->config[$k] = $value;
|
|
} else {
|
|
if (!isset($this->config[$cat])) {
|
|
$this->config[$cat] = [];
|
|
}
|
|
|
|
$this->config[$cat][$k] = $value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Deletes a value from the config cache
|
|
*
|
|
* @param string $cat Config category
|
|
* @param string $k Config key
|
|
*/
|
|
public function deleteConfigValue($cat, $k)
|
|
{
|
|
if ($cat === 'config') {
|
|
if (isset($this->config[$k])) {
|
|
unset($this->config[$k]);
|
|
}
|
|
} else {
|
|
if (isset($this->config[$cat][$k])) {
|
|
unset($this->config[$cat][$k]);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Retrieves a value from the user config cache
|
|
*
|
|
* @param int $uid User Id
|
|
* @param string $cat Config category
|
|
* @param string $k Config key
|
|
* @param mixed $default Default value if key isn't set
|
|
*/
|
|
public function getPConfigValue($uid, $cat, $k, $default = null)
|
|
{
|
|
$return = $default;
|
|
|
|
if (isset($this->config[$uid][$cat][$k])) {
|
|
$return = $this->config[$uid][$cat][$k];
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Sets a value in the user config cache
|
|
*
|
|
* Accepts raw output from the pconfig table
|
|
*
|
|
* @param int $uid User Id
|
|
* @param string $cat Config category
|
|
* @param string $k Config key
|
|
* @param mixed $v Value to set
|
|
*/
|
|
public function setPConfigValue($uid, $cat, $k, $v)
|
|
{
|
|
// Only arrays are serialized in database, so we have to unserialize sparingly
|
|
$value = is_string($v) && preg_match("|^a:[0-9]+:{.*}$|s", $v) ? unserialize($v) : $v;
|
|
|
|
if (!isset($this->config[$uid])) {
|
|
$this->config[$uid] = [];
|
|
}
|
|
|
|
if (!isset($this->config[$uid][$cat])) {
|
|
$this->config[$uid][$cat] = [];
|
|
}
|
|
|
|
$this->config[$uid][$cat][$k] = $value;
|
|
}
|
|
|
|
/**
|
|
* Deletes a value from the user config cache
|
|
*
|
|
* @param int $uid User Id
|
|
* @param string $cat Config category
|
|
* @param string $k Config key
|
|
*/
|
|
public function deletePConfigValue($uid, $cat, $k)
|
|
{
|
|
if (isset($this->config[$uid][$cat][$k])) {
|
|
unset($this->config[$uid][$cat][$k]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generates the site's default sender email address
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getSenderEmailAddress()
|
|
{
|
|
$sender_email = Config::get('config', 'sender_email');
|
|
if (empty($sender_email)) {
|
|
$hostname = $this->get_hostname();
|
|
if (strpos($hostname, ':')) {
|
|
$hostname = substr($hostname, 0, strpos($hostname, ':'));
|
|
}
|
|
|
|
$sender_email = 'noreply@' . $hostname;
|
|
}
|
|
|
|
return $sender_email;
|
|
}
|
|
|
|
/**
|
|
* Returns the current theme name.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getCurrentTheme()
|
|
{
|
|
if ($this->isInstallMode()) {
|
|
return '';
|
|
}
|
|
|
|
//// @TODO Compute the current theme only once (this behavior has
|
|
/// already been implemented, but it didn't work well -
|
|
/// https://github.com/friendica/friendica/issues/5092)
|
|
$this->computeCurrentTheme();
|
|
|
|
return $this->current_theme;
|
|
}
|
|
|
|
/**
|
|
* Computes the current theme name based on the node settings, the user settings and the device type
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
private function computeCurrentTheme()
|
|
{
|
|
$system_theme = Config::get('system', 'theme');
|
|
if (!$system_theme) {
|
|
throw new Exception(L10n::t('No system theme config value set.'));
|
|
}
|
|
|
|
// Sane default
|
|
$this->current_theme = $system_theme;
|
|
|
|
$allowed_themes = explode(',', Config::get('system', 'allowed_themes', $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' => $this->profile_uid]);
|
|
if (DBM::is_result($user) && !PConfig::get(local_user(), 'system', 'always_my_theme')) {
|
|
$page_theme = $user['theme'];
|
|
}
|
|
}
|
|
|
|
if (!empty($_SESSION)) {
|
|
$user_theme = defaults($_SESSION, 'theme', $system_theme);
|
|
} else {
|
|
$user_theme = $system_theme;
|
|
}
|
|
|
|
// Specific mobile theme override
|
|
if (($this->is_mobile || $this->is_tablet) && defaults($_SESSION, 'show-mobile', true)) {
|
|
$system_mobile_theme = Config::get('system', 'mobile-theme');
|
|
$user_mobile_theme = defaults($_SESSION, '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 = $user_theme;
|
|
}
|
|
|
|
if ($theme_name
|
|
&& in_array($theme_name, $allowed_themes)
|
|
&& (file_exists('view/theme/' . $theme_name . '/style.css')
|
|
|| file_exists('view/theme/' . $theme_name . '/style.php'))
|
|
) {
|
|
$this->current_theme = $theme_name;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Return full URL to theme which is currently in effect.
|
|
*
|
|
* Provide a sane default if nothing is chosen or the specified theme does not exist.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getCurrentThemeStylesheetPath()
|
|
{
|
|
return Core\Theme::getStylesheetPath($this->getCurrentTheme());
|
|
}
|
|
}
|