X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FApp.php;h=4a620313817fa297c4addb0544631d946ccbf36b;hb=6b8db5ad1333e2b430da3a771d9a962d44d4b6fc;hp=49721547316880afa852b7691d873a9b4d256a41;hpb=6546bf5ad645bebb88e16edea44802b7a217e426;p=friendica.git

diff --git a/src/App.php b/src/App.php
index 4972154731..4a62031381 100644
--- a/src/App.php
+++ b/src/App.php
@@ -4,25 +4,21 @@
  */
 namespace Friendica;
 
-use Detection\MobileDetect;
-use DOMDocument;
-use DOMXPath;
 use Exception;
 use Friendica\App\Arguments;
-use Friendica\App\Module;
+use Friendica\App\BaseURL;
+use Friendica\App\Page;
+use Friendica\App\Authentication;
 use Friendica\Core\Config\Cache\ConfigCache;
-use Friendica\Core\Config\Configuration;
-use Friendica\Core\Config\PConfiguration;
+use Friendica\Core\Config\IConfiguration;
+use Friendica\Core\Config\IPConfiguration;
 use Friendica\Core\L10n\L10n;
 use Friendica\Core\System;
 use Friendica\Core\Theme;
 use Friendica\Database\Database;
-use Friendica\Database\DBA;
 use Friendica\Model\Profile;
-use Friendica\Module\Login;
 use Friendica\Module\Special\HTTPException as ModuleHTTPException;
 use Friendica\Network\HTTPException;
-use Friendica\Util\BaseURL;
 use Friendica\Util\ConfigFileLoader;
 use Friendica\Util\HTTPSignature;
 use Friendica\Util\Profiler;
@@ -44,9 +40,6 @@ use Psr\Log\LoggerInterface;
  */
 class App
 {
-	/** @deprecated 2019.09 - use App\Arguments->getQueryString() */
-	public $query_string = '';
-	public $page = [];
 	public $profile;
 	public $profile_uid;
 	public $user;
@@ -56,70 +49,42 @@ class App
 	public $page_contact;
 	public $content;
 	public $data = [];
-	/** @deprecated 2019.09 - use App\Arguments->getCommand() */
-	public $cmd = '';
 	/** @deprecated 2019.09 - use App\Arguments->getArgv() or Arguments->get() */
 	public $argv;
 	/** @deprecated 2019.09 - use App\Arguments->getArgc() */
 	public $argc;
-	/** @deprecated 2019.09 - Use App\Module->getName() instead */
-	public $module;
 	public $timezone;
 	public $interactive = true;
 	public $identities;
-	public $is_mobile = false;
-	public $is_tablet = false;
 	public $theme_info = [];
 	public $category;
 	// Allow themes to control internal parameters
 	// by changing App values in theme.php
 
-	public $sourcename = '';
-	public $videowidth = 425;
-	public $videoheight = 350;
-	public $force_max_items = 0;
+	public $sourcename              = '';
+	public $videowidth              = 425;
+	public $videoheight             = 350;
+	public $force_max_items         = 0;
 	public $theme_events_in_profile = true;
-
-	public $stylesheets = [];
-	public $footerScripts = [];
+	public $queue;
 
 	/**
 	 * @var App\Mode The Mode of the Application
 	 */
 	private $mode;
 
-	/**
-	 * @var App\Router
-	 */
-	private $router;
-
 	/**
 	 * @var BaseURL
 	 */
 	private $baseURL;
 
-	/**
-	 * @var bool true, if the call is from an backend node (f.e. worker)
-	 */
-	private $isBackend;
-
-	/**
-	 * @var string The name of the current theme
-	 */
+	/** @var string The name of the current theme */
 	private $currentTheme;
+	/** @var string The name of the current mobile theme */
+	private $currentMobileTheme;
 
 	/**
-	 * @var bool check if request was an AJAX (xmlhttprequest) request
-	 */
-	private $isAjax;
-
-	/**
-	 * @var MobileDetect
-	 */
-	public $mobileDetect;
-
-	/**
-	 * @var Configuration The config
+	 * @var IConfiguration The config
 	 */
 	private $config;
 
@@ -149,9 +114,9 @@ class App
 	private $args;
 
 	/**
-	 * @var App\Module
+	 * @var Core\Process The process methods
 	 */
-	private $moduleClass;
+	private $process;
 
 	/**
 	 * Returns the current config cache of this node
@@ -163,16 +128,6 @@ class App
 		return $this->config->getCache();
 	}
 
-	/**
-	 * Returns the current config of this node
-	 *
-	 * @return Configuration
-	 */
-	public function getConfig()
-	{
-		return $this->config;
-	}
-
 	/**
 	 * The basepath of this app
 	 *
@@ -185,112 +140,39 @@ class App
 	}
 
 	/**
-	 * The Logger of this app
-	 *
-	 * @return LoggerInterface
-	 */
-	public function getLogger()
-	{
-		return $this->logger;
-	}
-
-	/**
-	 * The profiler of this app
-	 *
-	 * @return Profiler
-	 */
-	public function getProfiler()
-	{
-		return $this->profiler;
-	}
-
-	/**
-	 * Returns the Mode of the Application
-	 *
-	 * @return App\Mode The Application Mode
-	 */
-	public function getMode()
-	{
-		return $this->mode;
-	}
-
-	/**
-	 * Returns the Database of the Application
-	 *
-	 * @return Database
-	 */
-	public function getDBA()
-	{
-		return $this->database;
-	}
-
-	/**
-	 * Register a stylesheet file path to be included in the <head> tag of every page.
-	 * Inclusion is done in App->initHead().
-	 * The path can be absolute or relative to the Friendica installation base folder.
-	 *
-	 * @see initHead()
-	 *
-	 * @param string $path
-	 */
-	public function registerStylesheet($path)
-	{
-		if (mb_strpos($path, $this->getBasePath() . DIRECTORY_SEPARATOR) === 0) {
-			$path = mb_substr($path, mb_strlen($this->getBasePath() . DIRECTORY_SEPARATOR));
-		}
-
-		$this->stylesheets[] = trim($path, '/');
-	}
-
-	/**
-	 * Register a javascript file path to be included in the <footer> tag of every page.
-	 * Inclusion is done in App->initFooter().
-	 * The path can be absolute or relative to the Friendica installation base folder.
-	 *
-	 * @see initFooter()
-	 *
-	 * @param string $path
+	 * @param Database        $database The Friendica Database
+	 * @param IConfiguration   $config   The Configuration
+	 * @param App\Mode        $mode     The mode of this Friendica app
+	 * @param BaseURL         $baseURL  The full base URL of this Friendica app
+	 * @param LoggerInterface $logger   The current app logger
+	 * @param Profiler        $profiler The profiler of this application
+	 * @param L10n            $l10n     The translator instance
+	 * @param App\Arguments   $args     The Friendica Arguments of the call
+	 * @param Core\Process    $process  The process methods
 	 */
-	public function registerFooterScript($path)
-	{
-		$url = str_replace($this->getBasePath() . DIRECTORY_SEPARATOR, '', $path);
-
-		$this->footerScripts[] = trim($url, '/');
-	}
-
-	public $queue;
-
-	/**
-	 * @brief App constructor.
-	 *
-	 * @param Database $database The Friendica Database
-	 * @param Configuration    $config    The Configuration
-	 * @param App\Mode         $mode      The mode of this Friendica app
-	 * @param App\Router       $router    The router of this Friendica app
-	 * @param BaseURL          $baseURL   The full base URL of this Friendica app
-	 * @param LoggerInterface  $logger    The current app logger
-	 * @param Profiler         $profiler  The profiler of this application
-	 * @param L10n             $l10n      The translator instance
-	 *
-	 * @throws Exception if the Basepath is not usable
-	 */
-	public function __construct(Database $database, Configuration $config, App\Mode $mode, App\Router $router, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, L10n $l10n, Arguments $args, Module $module)
+	public function __construct(Database $database, IConfiguration $config, App\Mode $mode, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, L10n $l10n, Arguments $args, Core\Process $process)
 	{
 		$this->database = $database;
 		$this->config   = $config;
 		$this->mode     = $mode;
-		$this->router   = $router;
 		$this->baseURL  = $baseURL;
 		$this->profiler = $profiler;
 		$this->logger   = $logger;
 		$this->l10n     = $l10n;
-		$this->args = $args;
-		$this->isBackend = $this->checkBackend($module);
+		$this->args     = $args;
+		$this->process  = $process;
 
-		$this->profiler->reset();
+		$this->argv         = $args->getArgv();
+		$this->argc         = $args->getArgc();
 
-		$this->reload();
+		$this->load();
+	}
 
+	/**
+	 * Load the whole app instance
+	 */
+	public function load()
+	{
 		set_time_limit(0);
 
 		// This has to be quite large to deal with embedded private photos
@@ -302,31 +184,9 @@ class App
 			. $this->getBasePath() . DIRECTORY_SEPARATOR . 'library' . PATH_SEPARATOR
 			. $this->getBasePath());
 
-		$this->cmd = $args->getCommand();
-		$this->argv = $args->getArgv();
-		$this->argc = $args->getArgc();
-		$this->query_string = $args->getQueryString();
-
-		// Detect mobile devices
-		$mobile_detect = new MobileDetect();
-
-		$this->mobileDetect = $mobile_detect;
-
-		$this->is_mobile = $mobile_detect->isMobile();
-		$this->is_tablet = $mobile_detect->isTablet();
-
-		$this->isAjax = strtolower(defaults($_SERVER, 'HTTP_X_REQUESTED_WITH', '')) == 'xmlhttprequest';
-
-		// Register template engines
-		Core\Renderer::registerTemplateEngine('Friendica\Render\FriendicaSmartyEngine');
-	}
+		$this->profiler->reset();
 
-	/**
-	 * Reloads the whole app instance
-	 */
-	public function reload()
-	{
-		if ($this->getMode()->has(App\Mode::DBAVAILABLE)) {
+		if ($this->mode->has(App\Mode::DBAVAILABLE)) {
 			$this->profiler->update($this->config);
 
 			Core\Hook::loadHooks();
@@ -335,6 +195,8 @@ class App
 		}
 
 		$this->loadDefaultTimezone();
+		// Register template engines
+		Core\Renderer::registerTemplateEngine('Friendica\Render\FriendicaSmartyEngine');
 	}
 
 	/**
@@ -358,205 +220,6 @@ class App
 		}
 	}
 
-	/**
-	 * Returns the scheme of the current call
-	 * @return string
-	 *
-	 * @deprecated 2019.06 - use BaseURL->getScheme() instead
-	 */
-	public function getScheme()
-	{
-		return $this->baseURL->getScheme();
-	}
-
-	/**
-	 * Retrieves the Friendica instance base URL
-	 *
-	 * @param bool $ssl Whether to append http or https under BaseURL::SSL_POLICY_SELFSIGN
-	 *
-	 * @return string Friendica server base URL
-	 *
-	 * @deprecated 2019.09 - use BaseUrl->get($ssl) instead
-	 */
-	public function getBaseURL($ssl = false)
-	{
-		return $this->baseURL->get($ssl);
-	}
-
-	/**
-	 * @brief Initializes the baseurl components
-	 *
-	 * Clears the baseurl cache to prevent inconsistencies
-	 *
-	 * @param string $url
-	 *
-	 * @deprecated 2019.06 - use BaseURL->saveByURL($url) instead
-	 */
-	public function setBaseURL($url)
-	{
-		$this->baseURL->saveByURL($url);
-	}
-
-	/**
-	 * Returns the current hostname
-	 *
-	 * @return string
-	 *
-	 * @deprecated 2019.06 - use BaseURL->getHostname() instead
-	 */
-	public function getHostName()
-	{
-		return $this->baseURL->getHostname();
-	}
-
-	/**
-	 * Returns the sub-path of the full URL
-	 *
-	 * @return string
-	 *
-	 * @deprecated 2019.06 - use BaseURL->getUrlPath() instead
-	 */
-	public function getURLPath()
-	{
-		return $this->baseURL->getUrlPath();
-	}
-
-	/**
-	 * Initializes App->page['htmlhead'].
-	 *
-	 * Includes:
-	 * - Page title
-	 * - Favicons
-	 * - Registered stylesheets (through App->registerStylesheet())
-	 * - Infinite scroll data
-	 * - head.tpl template
-	 */
-	private function initHead(App\Module $module, PConfiguration $pconfig)
-	{
-		$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) {
-			$interval = 40000;
-		}
-
-		// Default title: current module called
-		if (empty($this->page['title']) && $module->getName()) {
-			$this->page['title'] = ucfirst($module->getName());
-		}
-
-		// Prepend the sitename to the page title
-		$this->page['title'] = $this->config->get('config', 'sitename', '') . (!empty($this->page['title']) ? ' | ' . $this->page['title'] : '');
-
-		if (!empty(Core\Renderer::$theme['stylesheet'])) {
-			$stylesheet = Core\Renderer::$theme['stylesheet'];
-		} else {
-			$stylesheet = $this->getCurrentThemeStylesheetPath();
-		}
-
-		$this->registerStylesheet($stylesheet);
-
-		$shortcut_icon = $this->config->get('system', 'shortcut_icon');
-		if ($shortcut_icon == '') {
-			$shortcut_icon = 'images/friendica-32.png';
-		}
-
-		$touch_icon = $this->config->get('system', 'touch_icon');
-		if ($touch_icon == '') {
-			$touch_icon = 'images/friendica-128.png';
-		}
-
-		Core\Hook::callAll('head', $this->page['htmlhead']);
-
-		$tpl = Core\Renderer::getMarkupTemplate('head.tpl');
-		/* put the head template at the beginning of page['htmlhead']
-		 * since the code added by the modules frequently depends on it
-		 * being first
-		 */
-		$this->page['htmlhead'] = Core\Renderer::replaceMacros($tpl, [
-			'$local_user'      => local_user(),
-			'$generator'       => 'Friendica' . ' ' . FRIENDICA_VERSION,
-			'$delitem'         => $this->l10n->t('Delete this item?'),
-			'$update_interval' => $interval,
-			'$shortcut_icon'   => $shortcut_icon,
-			'$touch_icon'      => $touch_icon,
-			'$block_public'    => intval($this->config->get('system', 'block_public')),
-			'$stylesheets'     => $this->stylesheets,
-		]) . $this->page['htmlhead'];
-	}
-
-	/**
-	 * Initializes App->page['footer'].
-	 *
-	 * Includes:
-	 * - Javascript homebase
-	 * - Mobile toggle link
-	 * - Registered footer scripts (through App->registerFooterScript())
-	 * - footer.tpl template
-	 */
-	private function initFooter()
-	{
-		// If you're just visiting, let javascript take you home
-		if (!empty($_SESSION['visitor_home'])) {
-			$homebase = $_SESSION['visitor_home'];
-		} elseif (local_user()) {
-			$homebase = 'profile/' . $this->user['nickname'];
-		}
-
-		if (isset($homebase)) {
-			$this->page['footer'] .= '<script>var homebase="' . $homebase . '";</script>' . "\n";
-		}
-
-		/*
-		 * Add a "toggle mobile" link if we're using a mobile device
-		 */
-		if ($this->is_mobile || $this->is_tablet) {
-			if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
-				$link = 'toggle_mobile?address=' . urlencode(curPageURL());
-			} else {
-				$link = 'toggle_mobile?off=1&address=' . urlencode(curPageURL());
-			}
-			$this->page['footer'] .= Core\Renderer::replaceMacros(Core\Renderer::getMarkupTemplate("toggle_mobile_footer.tpl"), [
-				'$toggle_link' => $link,
-				'$toggle_text' => $this->l10n->t('toggle mobile')
-			]);
-		}
-
-		Core\Hook::callAll('footer', $this->page['footer']);
-
-		$tpl = Core\Renderer::getMarkupTemplate('footer.tpl');
-		$this->page['footer'] = Core\Renderer::replaceMacros($tpl, [
-			'$footerScripts' => $this->footerScripts,
-		]) . $this->page['footer'];
-	}
-
-	/**
-	 * @brief Removes the base url from an url. This avoids some mixed content problems.
-	 *
-	 * @param string $origURL
-	 *
-	 * @return string The cleaned url
-	 * @throws HTTPException\InternalServerErrorException
-	 */
-	public function removeBaseURL($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
 	 *
@@ -570,229 +233,76 @@ class App
 			FRIENDICA_CODENAME . "' " .
 			FRIENDICA_VERSION . '-' .
 			DB_UPDATE_VERSION . '; ' .
-			$this->getBaseURL();
-	}
-
-	/**
-	 * Checks if the site is called via a backend process
-	 *
-	 * @param Module $module The pre-loaded module (just name, not class!)
-
-	 * @return bool True, if the call is a backend call
-	 */
-	private function checkBackend(Module $module)
-	{
-		return basename(($_SERVER['PHP_SELF'] ?? ''), '.php') !== 'index' ||
-		       $module->isBackend();
-	}
-
-	/**
-	 * 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;
+			$this->baseURL->get();
 	}
 
 	/**
-	 * @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
+	 * Generates the site's default sender email address
 	 *
-	 * @return bool Is the memory limit reached?
+	 * @return string
 	 * @throws HTTPException\InternalServerErrorException
 	 */
-	public function isMinMemoryReached()
+	public function getSenderEmailAddress()
 	{
-		$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;
+		$sender_email = $this->config->get('config', 'sender_email');
+		if (empty($sender_email)) {
+			$hostname = $this->baseURL->getHostname();
+			if (strpos($hostname, ':')) {
+				$hostname = substr($hostname, 0, strpos($hostname, ':'));
 			}
-			list($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 $reached;
-	}
-
-	/**
-	 * @brief Checks if the maximum load is reached
-	 *
-	 * @return bool Is the load reached?
-	 * @throws HTTPException\InternalServerErrorException
-	 */
-	public function isMaxLoadReached()
-	{
-		if ($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;
-			}
+			$sender_email = 'noreply@' . $hostname;
 		}
 
-		$load = Core\System::currentLoad();
-		if ($load) {
-			if (intval($load) > $maxsysload) {
-				Core\Logger::log('system: load ' . $load . ' for ' . $process . ' tasks (' . $maxsysload . ') too high.');
-				return true;
-			}
-		}
-		return false;
+		return $sender_email;
 	}
 
 	/**
-	 * Executes a child process with 'proc_open'
+	 * Returns the current theme name. May be overriden by the mobile theme name.
 	 *
-	 * @param string $command The command to execute
-	 * @param array  $args    Arguments to pass to the command ( [ 'key' => value, 'key2' => value2, ... ]
-	 * @throws HTTPException\InternalServerErrorException
+	 * @return string
+	 * @throws Exception
 	 */
-	public function proc_run($command, $args)
+	public function getCurrentTheme()
 	{
-		if (!function_exists('proc_open')) {
-			return;
+		if ($this->mode->isInstall()) {
+			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;
-			}
+		// Specific mobile theme override
+		if (($this->mode->isMobile() || $this->mode->isTablet()) && Core\Session::get('show-mobile', true)) {
+			$user_mobile_theme = $this->getCurrentMobileTheme();
 
-			$cmdline .= ' --' . $key;
-			if (!is_null($value) && !is_bool($value)) {
-				$cmdline .= ' ' . $value;
+			// --- means same mobile theme as desktop
+			if (!empty($user_mobile_theme) && $user_mobile_theme !== '---') {
+				return $user_mobile_theme;
 			}
 		}
 
-		if ($this->isMinMemoryReached()) {
-			return;
+		if (!$this->currentTheme) {
+			$this->computeCurrentTheme();
 		}
 
-		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);
+		return $this->currentTheme;
 	}
 
 	/**
-	 * Generates the site's default sender email address
+	 * Returns the current mobile theme name.
 	 *
 	 * @return string
-	 * @throws HTTPException\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 $sender_email;
-	}
-
-	/**
-	 * Returns the current theme name.
-	 *
-	 * @return string the name of the current theme
-	 * @throws HTTPException\InternalServerErrorException
+	 * @throws Exception
 	 */
-	public function getCurrentTheme()
+	public function getCurrentMobileTheme()
 	{
-		if ($this->getMode()->isInstall()) {
+		if ($this->mode->isInstall()) {
 			return '';
 		}
 
-		if (!$this->currentTheme) {
-			$this->computeCurrentTheme();
+		if (is_null($this->currentMobileTheme)) {
+			$this->computeCurrentMobileTheme();
 		}
 
-		return $this->currentTheme;
+		return $this->currentMobileTheme;
 	}
 
 	public function setCurrentTheme($theme)
@@ -800,8 +310,13 @@ class App
 		$this->currentTheme = $theme;
 	}
 
+	public function setCurrentMobileTheme($theme)
+	{
+		$this->currentMobileTheme = $theme;
+	}
+
 	/**
-	 * Computes the current theme name based on the node settings, the user settings and the device type
+	 * Computes the current theme name based on the node settings, the page owner settings and the user settings
 	 *
 	 * @throws Exception
 	 */
@@ -813,45 +328,61 @@ class App
 		}
 
 		// Sane default
-		$this->currentTheme = $system_theme;
+		$this->setCurrentTheme($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')) {
+			$user = $this->database->selectFirst('user', ['theme'], ['uid' => $this->profile_uid]);
+			if ($this->database->isResult($user) && !Core\PConfig::get(local_user(), 'system', 'always_my_theme')) {
 				$page_theme = $user['theme'];
 			}
 		}
 
-		$user_theme = Core\Session::get('theme', $system_theme);
+		$theme_name = $page_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);
+		$theme_name = Strings::sanitizeFilePathItem($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'))
+		) {
+			$this->setCurrentTheme($theme_name);
+		}
+	}
 
-			// --- means same mobile theme as desktop
-			if (!empty($user_mobile_theme) && $user_mobile_theme !== '---') {
-				$user_theme = $user_mobile_theme;
+	/**
+	 * Computes the current mobile theme name based on the node settings, the page owner settings and the user settings
+	 */
+	private function computeCurrentMobileTheme()
+	{
+		$system_mobile_theme = $this->config->get('system', 'mobile-theme', '');
+
+		// Sane default
+		$this->setCurrentMobileTheme($system_mobile_theme);
+
+		$page_mobile_theme = null;
+		// Find the theme that belongs to the user whose stuff we are looking at
+		if ($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
+			if (!Core\PConfig::get(local_user(), 'system', 'always_my_theme')) {
+				$page_mobile_theme = Core\PConfig::get($this->profile_uid, 'system', 'mobile-theme');
 			}
 		}
 
-		if ($page_theme) {
-			$theme_name = $page_theme;
-		} else {
-			$theme_name = $user_theme;
-		}
+		$mobile_theme_name = $page_mobile_theme ?: Core\Session::get('mobile-theme', $system_mobile_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'))
+		$mobile_theme_name = Strings::sanitizeFilePathItem($mobile_theme_name);
+		if ($mobile_theme_name == '---'
+			||
+			in_array($mobile_theme_name, Theme::getAllowedList())
+			&& (file_exists('view/theme/' . $mobile_theme_name . '/style.css')
+				|| file_exists('view/theme/' . $mobile_theme_name . '/style.php'))
 		) {
-			$this->currentTheme = $theme_name;
+			$this->setCurrentMobileTheme($mobile_theme_name);
 		}
 	}
 
@@ -861,33 +392,13 @@ class App
 	 * Provide a sane default if nothing is chosen or the specified theme does not exist.
 	 *
 	 * @return string
-	 * @throws HTTPException\InternalServerErrorException
+	 * @throws Exception
 	 */
 	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 $this->isAjax;
-	}
-
-	/**
-	 * @deprecated use Arguments->get() instead
-	 *
-	 * @see App\Arguments
-	 */
-	public function getArgumentValue($position, $default = '')
-	{
-		return $this->args->get($position, $default);
-	}
-
 	/**
 	 * Sets the base url for use in cmdline programs which don't have
 	 * $_SERVER variables
@@ -902,8 +413,8 @@ class App
 		// 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', $this->getBaseURL());
+		if (empty($url) || (!Util\Strings::compareLink($url, $this->baseURL->get())) && (!preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/", $this->baseURL->getHostname()))) {
+			$this->config->set('system', 'url', $this->baseURL->get());
 		}
 	}
 
@@ -915,49 +426,47 @@ class App
 	 *
 	 * This probably should change to limit the size of this monster method.
 	 *
-	 * @param App\Module $module The determined module
+	 * @param App\Module     $module The determined module
+	 * @param App\Router     $router
+	 * @param IPConfiguration $pconfig
+	 * @param Authentication $auth The Authentication backend of the node
+	 * @param App\Page $page The Friendica page printing container
+	 * @throws HTTPException\InternalServerErrorException
+	 * @throws \ImagickException
 	 */
-	public function runFrontend(App\Module $module, App\Router $router, PConfiguration $pconfig)
+	public function runFrontend(App\Module $module, App\Router $router, IPConfiguration $pconfig, Authentication $auth, App\Page $page)
 	{
 		$moduleName = $module->getName();
 
 		try {
 			// Missing DB connection: ERROR
-			if ($this->getMode()->has(App\Mode::LOCALCONFIGPRESENT) && !$this->getMode()->has(App\Mode::DBAVAILABLE)) {
+			if ($this->mode->has(App\Mode::LOCALCONFIGPRESENT) && !$this->mode->has(App\Mode::DBAVAILABLE)) {
 				throw new HTTPException\InternalServerErrorException('Apologies but the website is unavailable at the moment.');
 			}
 
 			// Max Load Average reached: ERROR
-			if ($this->isMaxProcessesReached() || $this->isMaxLoadReached()) {
+			if ($this->process->isMaxProcessesReached() || $this->process->isMaxLoadReached()) {
 				header('Retry-After: 120');
 				header('Refresh: 120; url=' . $this->baseURL->get() . "/" . $this->args->getQueryString());
 
 				throw new HTTPException\ServiceUnavailableException('The node is currently overloaded. Please try again later.');
 			}
 
-			if (!$this->getMode()->isInstall()) {
+			if (!$this->mode->isInstall()) {
 				// Force SSL redirection
 				if ($this->baseURL->checkRedirectHttps()) {
 					System::externalRedirect($this->baseURL->get() . '/' . $this->args->getQueryString());
 				}
 
-				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());
-				$this->l10n->setSessionVariable();
-				$this->l10n->setLangFromSession();
-			} else {
-				$_SESSION = [];
+			if ($this->mode->isBackend()) {
 				Core\Worker::executeIfIdle();
 			}
 
-			if ($this->getMode()->isNormal()) {
+			if ($this->mode->isNormal()) {
 				$requester = HTTPSignature::getSigner('', $_SERVER);
 				if (!empty($requester)) {
 					Profile::addVisitorCookieForHandle($requester);
@@ -965,12 +474,12 @@ class App
 			}
 
 			// ZRL
-			if (!empty($_GET['zrl']) && $this->getMode()->isNormal()) {
+			if (!empty($_GET['zrl']) && $this->mode->isNormal()) {
 				if (!local_user()) {
 					// Only continue when the given profile link seems valid
 					// Valid profile links contain a path with "/profile/" and no query parameters
 					if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") &&
-						strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
+					    strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
 						if (Core\Session::get('visitor_home') != $_GET["zrl"]) {
 							Core\Session::set('my_url', $_GET['zrl']);
 							Core\Session::set('authenticated', 0);
@@ -980,18 +489,18 @@ class App
 					} 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);
+						$this->logger->debug('Invalid ZRL parameter.', ['zrl' => $_GET['zrl']]);
 						throw new HTTPException\ForbiddenException();
 					}
 				}
 			}
 
-			if (!empty($_GET['owt']) && $this->getMode()->isNormal()) {
+			if (!empty($_GET['owt']) && $this->mode->isNormal()) {
 				$token = $_GET['owt'];
 				Model\Profile::openWebAuthInit($token);
 			}
 
-			Login::sessionAuth();
+			$auth->withSession($this);
 
 			if (empty($_SESSION['authenticated'])) {
 				header('X-Account-Management-Status: none');
@@ -1009,214 +518,64 @@ class App
 
 			// in install mode, any url loads install module
 			// but we need "view" module for stylesheet
-			if ($this->getMode()->isInstall() && $moduleName !== 'install') {
-				$this->internalRedirect('install');
-			} elseif (!$this->getMode()->isInstall() && !$this->getMode()->has(App\Mode::MAINTENANCEDISABLED) && $moduleName !== 'maintenance') {
-				$this->internalRedirect('maintenance');
+			if ($this->mode->isInstall() && $moduleName !== 'install') {
+				$this->baseURL->redirect('install');
+			} elseif (!$this->mode->isInstall() && !$this->mode->has(App\Mode::MAINTENANCEDISABLED) && $moduleName !== 'maintenance') {
+				$this->baseURL->redirect('maintenance');
 			} else {
 				$this->checkURL();
-				Core\Update::check($this->getBasePath(), false, $this->getMode());
+				Core\Update::check($this->getBasePath(), false, $this->mode);
 				Core\Addon::loadAddons();
 				Core\Hook::loadHooks();
 			}
 
-			$this->page = [
-				'aside' => '',
-				'bottom' => '',
-				'content' => '',
-				'footer' => '',
-				'htmlhead' => '',
-				'nav' => '',
-				'page_title' => '',
-				'right_aside' => '',
-				'template' => '',
-				'title' => ''
-			];
-
 			// Compatibility with the Android Diaspora client
 			if ($moduleName == 'stream') {
-				$this->internalRedirect('network?order=post');
+				$this->baseURL->redirect('network?order=post');
 			}
 
 			if ($moduleName == 'conversations') {
-				$this->internalRedirect('message');
+				$this->baseURL->redirect('message');
 			}
 
 			if ($moduleName == 'commented') {
-				$this->internalRedirect('network?order=comment');
+				$this->baseURL->redirect('network?order=comment');
 			}
 
 			if ($moduleName == 'liked') {
-				$this->internalRedirect('network?order=comment');
+				$this->baseURL->redirect('network?order=comment');
 			}
 
 			if ($moduleName == 'activity') {
-				$this->internalRedirect('network?conv=1');
+				$this->baseURL->redirect('network?conv=1');
 			}
 
 			if (($moduleName == 'status_messages') && ($this->args->getCommand() == 'status_messages/new')) {
-				$this->internalRedirect('bookmarklet');
+				$this->baseURL->redirect('bookmarklet');
 			}
 
 			if (($moduleName == 'user') && ($this->args->getCommand() == 'user/edit')) {
-				$this->internalRedirect('settings');
+				$this->baseURL->redirect('settings');
 			}
 
 			if (($moduleName == 'tag_followings') && ($this->args->getCommand() == 'tag_followings/manage')) {
-				$this->internalRedirect('search');
+				$this->baseURL->redirect('search');
 			}
 
 			// Initialize module that can set the current theme in the init() method, either directly or via App->profile_uid
-			$this->page['page_title'] = $moduleName;
+			$page['page_title'] = $moduleName;
 
 			// determine the module class and save it to the module instance
 			// @todo there's an implicit dependency due SESSION::start(), so it has to be called here (yet)
 			$module = $module->determineClass($this->args, $router, $this->config);
 
 			// Let the module run it's internal process (init, get, post, ...)
-			$module->run($this->l10n, $this, $this->logger, $this->getCurrentTheme(), $_SERVER, $_POST);
-
-		} catch(HTTPException $e) {
+			$module->run($this->l10n, $this->baseURL, $this->logger, $_SERVER, $_POST);
+		} catch (HTTPException $e) {
 			ModuleHTTPException::rawContent($e);
 		}
 
-		$content = '';
-
-		try {
-			$moduleClass = $module->getClassName();
-
-			$arr = ['content' => $content];
-			Core\Hook::callAll($moduleClass . '_mod_content', $arr);
-			$content = $arr['content'];
-			$arr = ['content' => call_user_func([$moduleClass, 'content'])];
-			Core\Hook::callAll($moduleClass . '_mod_aftercontent', $arr);
-			$content .= $arr['content'];
-		} catch(HTTPException $e) {
-			$content = ModuleHTTPException::content($e);
-		}
-
-		// 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.
-		 */
-		$this->initHead($module, $pconfig);
-
-		/* Build the page ending -- this is stuff that goes right before
-		 * the closing </body> tag
-		 */
-		$this->initFooter();
-
-		if (!$this->isAjax()) {
-			Core\Hook::callAll('page_end', $this->page['content']);
-		}
-
-		// Add the navigation (menu) template
-		if ($moduleName != 'install' && $moduleName != '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 = $this->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 $ssl if true, base URL will try to get called with https:// (works just for relative paths)
-	 *
-	 * @throws HTTPException\InternalServerErrorException In Case the given URL is not relative to the Friendica node
-	 */
-	public function internalRedirect($toUrl = '', $ssl = false)
-	{
-		if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
-			throw new HTTPException\InternalServerErrorException("'$toUrl is not a relative path, please use System::externalRedirectTo");
-		}
-
-		$redirectTo = $this->getBaseURL($ssl) . '/' . ltrim($toUrl, '/');
-		Core\System::externalRedirect($redirectTo);
+		$page->run($this, $this->baseURL, $this->mode, $module, $this->l10n, $this->config, $pconfig);
 	}
 
 	/**
@@ -1224,6 +583,7 @@ class App
 	 * Should only be used if it isn't clear if the URL is either internal or external
 	 *
 	 * @param string $toUrl The target URL
+	 *
 	 * @throws HTTPException\InternalServerErrorException
 	 */
 	public function redirect($toUrl)
@@ -1231,7 +591,7 @@ class App
 		if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
 			Core\System::externalRedirect($toUrl);
 		} else {
-			$this->internalRedirect($toUrl);
+			$this->baseURL->redirect($toUrl);
 		}
 	}
 }