]> git.mxchange.org Git - friendica.git/blobdiff - src/App.php
Merge pull request #6753 from MrPetovan/bug/notices
[friendica.git] / src / App.php
index 261c3e74cb6f970701ae11281c929905470a3fbd..6945dc459d734d95eaf1decd1209a5c08bc56442 100644 (file)
@@ -8,11 +8,13 @@ use Detection\MobileDetect;
 use DOMDocument;
 use DOMXPath;
 use Exception;
+use Friendica\Core\Config\Cache\ConfigCacheLoader;
+use Friendica\Core\Config\Cache\IConfigCache;
+use Friendica\Core\Config\Configuration;
 use Friendica\Database\DBA;
 use Friendica\Network\HTTPException\InternalServerErrorException;
-
-require_once 'boot.php';
-require_once 'include/text.php';
+use Friendica\Util\Profiler;
+use Psr\Log\LoggerInterface;
 
 /**
  *
@@ -32,7 +34,6 @@ class App
        public $module_loaded = false;
        public $module_class = null;
        public $query_string = '';
-       public $config = [];
        public $page = [];
        public $profile;
        public $profile_uid;
@@ -53,8 +54,6 @@ class App
        public $identities;
        public $is_mobile = false;
        public $is_tablet = false;
-       public $performance = [];
-       public $callstack = [];
        public $theme_info = [];
        public $category;
        // Allow themes to control internal parameters
@@ -104,6 +103,66 @@ class App
         */
        private $isAjax;
 
+       /**
+        * @var MobileDetect
+        */
+       public $mobileDetect;
+
+       /**
+        * @var Configuration The config
+        */
+       private $config;
+
+       /**
+        * @var LoggerInterface The logger
+        */
+       private $logger;
+
+       /**
+        * @var Profiler The profiler of this app
+        */
+       private $profiler;
+
+       /**
+        * Returns the current config cache of this node
+        *
+        * @return IConfigCache
+        */
+       public function getConfigCache()
+       {
+               return $this->config->getCache();
+       }
+
+       /**
+        * The basepath of this app
+        *
+        * @return string
+        */
+       public function getBasePath()
+       {
+               return $this->basePath;
+       }
+
+       /**
+        * 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;
+       }
+
        /**
         * Register a stylesheet file path to be included in the <head> tag of every page.
         * Inclusion is done in App->initHead().
@@ -112,10 +171,11 @@ class App
         * @see initHead()
         *
         * @param string $path
+        * @throws InternalServerErrorException
         */
        public function registerStylesheet($path)
        {
-               $url = str_replace($this->getBasePath() . DIRECTORY_SEPARATOR, '', $path);
+               $url = str_replace($this->basePath . DIRECTORY_SEPARATOR, '', $path);
 
                $this->stylesheets[] = trim($url, '/');
        }
@@ -128,15 +188,15 @@ class App
         * @see initFooter()
         *
         * @param string $path
+        * @throws InternalServerErrorException
         */
        public function registerFooterScript($path)
        {
-               $url = str_replace($this->getBasePath() . DIRECTORY_SEPARATOR, '', $path);
+               $url = str_replace($this->basePath . DIRECTORY_SEPARATOR, '', $path);
 
                $this->footerScripts[] = trim($url, '/');
        }
 
-       public $process_id;
        public $queue;
        private $scheme;
        private $hostname;
@@ -144,45 +204,35 @@ class App
        /**
         * @brief App constructor.
         *
-        * @param string $basePath  Path to the app base folder
-        * @param bool   $isBackend Whether it is used for backend or frontend (Default true=backend)
+        * @param string           $basePath   The basedir of the app
+        * @param Configuration    $config    The Configuration
+        * @param LoggerInterface  $logger    The current app logger
+        * @param Profiler         $profiler  The profiler of this application
+        * @param bool             $isBackend Whether it is used for backend or frontend (Default true=backend)
         *
         * @throws Exception if the Basepath is not usable
         */
-       public function __construct($basePath, $isBackend = true)
+       public function __construct($basePath, Configuration $config, LoggerInterface $logger, Profiler $profiler, $isBackend = true)
        {
-               if (!static::isDirectoryUsable($basePath, false)) {
-                       throw new Exception('Basepath ' . $basePath . ' isn\'t usable.');
-               }
-
                BaseObject::setApp($this);
 
-               $this->basePath = rtrim($basePath, DIRECTORY_SEPARATOR);
+               $this->logger   = $logger;
+               $this->config   = $config;
+               $this->profiler = $profiler;
+               $cfgBasePath = $this->config->get('system', 'basepath');
+               $this->basePath = !empty($cfgBasePath) ? $cfgBasePath : $basePath;
+
+               if (!Core\System::isDirectoryUsable($this->basePath, false)) {
+                       throw new Exception('Basepath \'' . $this->basePath . '\' isn\'t usable.');
+               }
+               $this->basePath = rtrim($this->basePath, DIRECTORY_SEPARATOR);
+
                $this->checkBackend($isBackend);
                $this->checkFriendicaApp();
 
-               $this->performance['start'] = microtime(true);
-               $this->performance['database'] = 0;
-               $this->performance['database_write'] = 0;
-               $this->performance['cache'] = 0;
-               $this->performance['cache_write'] = 0;
-               $this->performance['network'] = 0;
-               $this->performance['file'] = 0;
-               $this->performance['rendering'] = 0;
-               $this->performance['parser'] = 0;
-               $this->performance['marktime'] = 0;
-               $this->performance['markstart'] = microtime(true);
-
-               $this->callstack['database'] = [];
-               $this->callstack['database_write'] = [];
-               $this->callstack['cache'] = [];
-               $this->callstack['cache_write'] = [];
-               $this->callstack['network'] = [];
-               $this->callstack['file'] = [];
-               $this->callstack['rendering'] = [];
-               $this->callstack['parser'] = [];
-
-               $this->mode = new App\Mode($basePath);
+               $this->profiler->reset();
+
+               $this->mode = new App\Mode($this->basePath);
 
                $this->reload();
 
@@ -213,9 +263,9 @@ class App
 
                set_include_path(
                        get_include_path() . PATH_SEPARATOR
-                       . $this->getBasePath() . DIRECTORY_SEPARATOR . 'include' . PATH_SEPARATOR
-                       . $this->getBasePath() . DIRECTORY_SEPARATOR . 'library' . PATH_SEPARATOR
-                       . $this->getBasePath());
+                       . $this->basePath . DIRECTORY_SEPARATOR . 'include' . PATH_SEPARATOR
+                       . $this->basePath . DIRECTORY_SEPARATOR . 'library' . PATH_SEPARATOR
+                       . $this->basePath);
 
                if (!empty($_SERVER['QUERY_STRING']) && strpos($_SERVER['QUERY_STRING'], 'pagename=') === 0) {
                        $this->query_string = substr($_SERVER['QUERY_STRING'], 9);
@@ -271,6 +321,9 @@ class App
 
                // Detect mobile devices
                $mobile_detect = new MobileDetect();
+
+               $this->mobileDetect = $mobile_detect;
+
                $this->is_mobile = $mobile_detect->isMobile();
                $this->is_tablet = $mobile_detect->isTablet();
 
@@ -301,180 +354,25 @@ class App
         */
        public function reload()
        {
-               // The order of the following calls is important to ensure proper initialization
-               $this->loadConfigFiles();
-
-               $this->loadDatabase();
-
-               $this->getMode()->determine($this->getBasePath());
-
                $this->determineURLPath();
 
-               Core\Config::load();
+               $this->getMode()->determine($this->basePath);
 
                if ($this->getMode()->has(App\Mode::DBAVAILABLE)) {
-                       Core\Hook::loadHooks();
+                       $loader = new ConfigCacheLoader($this->basePath);
+                       $this->config->getCache()->load($loader->loadCoreConfig('addon'), true);
+
+                       $this->profiler->update(
+                               $this->config->get('system', 'profiler', false),
+                               $this->config->get('rendertime', 'callstack', false));
 
-                       $this->loadAddonConfig();
+                       Core\Hook::loadHooks();
+                       Core\Hook::callAll('load_config', $loader);
                }
 
                $this->loadDefaultTimezone();
 
                Core\L10n::init();
-
-               $this->process_id = Core\System::processID('log');
-       }
-
-       /**
-        * Load the configuration files
-        *
-        * First loads the default value for all the configuration keys, then the legacy configuration files, then the
-        * expected local.config.php
-        */
-       private function loadConfigFiles()
-       {
-               $this->loadConfigFile($this->getBasePath() . '/config/defaults.config.php');
-               $this->loadConfigFile($this->getBasePath() . '/config/settings.config.php');
-
-               // Legacy .htconfig.php support
-               if (file_exists($this->getBasePath() . '/.htpreconfig.php')) {
-                       $a = $this;
-                       include $this->getBasePath() . '/.htpreconfig.php';
-               }
-
-               // Legacy .htconfig.php support
-               if (file_exists($this->getBasePath() . '/.htconfig.php')) {
-                       $a = $this;
-
-                       include $this->getBasePath() . '/.htconfig.php';
-
-                       $this->setConfigValue('database', 'hostname', $db_host);
-                       $this->setConfigValue('database', 'username', $db_user);
-                       $this->setConfigValue('database', 'password', $db_pass);
-                       $this->setConfigValue('database', 'database', $db_data);
-                       if (isset($a->config['system']['db_charset'])) {
-                               $this->setConfigValue('database', 'charset', $a->config['system']['db_charset']);
-                       }
-
-                       unset($db_host, $db_user, $db_pass, $db_data);
-
-                       if (isset($default_timezone)) {
-                               $this->setConfigValue('system', 'default_timezone', $default_timezone);
-                               unset($default_timezone);
-                       }
-
-                       if (isset($pidfile)) {
-                               $this->setConfigValue('system', 'pidfile', $pidfile);
-                               unset($pidfile);
-                       }
-
-                       if (isset($lang)) {
-                               $this->setConfigValue('system', 'language', $lang);
-                               unset($lang);
-                       }
-               }
-
-               if (file_exists($this->getBasePath() . '/config/local.config.php')) {
-                       $this->loadConfigFile($this->getBasePath() . '/config/local.config.php', true);
-               } elseif (file_exists($this->getBasePath() . '/config/local.ini.php')) {
-                       $this->loadINIConfigFile($this->getBasePath() . '/config/local.ini.php', true);
-               }
-       }
-
-       /**
-        * Tries to load the specified legacy configuration file into the App->config array.
-        * Doesn't overwrite previously set values by default to prevent default config files to supersede DB Config.
-        *
-        * @deprecated since version 2018.12
-        * @param string $filepath
-        * @param bool $overwrite Force value overwrite if the config key already exists
-        * @throws Exception
-        */
-       public function loadINIConfigFile($filepath, $overwrite = false)
-       {
-               if (!file_exists($filepath)) {
-                       throw new Exception('Error parsing non-existent INI config file ' . $filepath);
-               }
-
-               $contents = include($filepath);
-
-               $config = parse_ini_string($contents, true, INI_SCANNER_TYPED);
-
-               if ($config === false) {
-                       throw new Exception('Error parsing INI config file ' . $filepath);
-               }
-
-               $this->loadConfigArray($config, $overwrite);
-       }
-
-       /**
-        * Tries to load the specified configuration file into the App->config array.
-        * Doesn't overwrite previously set values by default to prevent default config files to supersede DB Config.
-        *
-        * The config format is PHP array and the template for configuration files is the following:
-        *
-        * <?php return [
-        *      'section' => [
-        *          'key' => 'value',
-        *      ],
-        * ];
-        *
-        * @param string $filepath
-        * @param bool $overwrite Force value overwrite if the config key already exists
-        * @throws Exception
-        */
-       public function loadConfigFile($filepath, $overwrite = false)
-       {
-               if (!file_exists($filepath)) {
-                       throw new Exception('Error loading non-existent config file ' . $filepath);
-               }
-
-               $config = include($filepath);
-
-               if (!is_array($config)) {
-                       throw new Exception('Error loading config file ' . $filepath);
-               }
-
-               $this->loadConfigArray($config, $overwrite);
-       }
-
-       /**
-        * Loads addons configuration files
-        *
-        * First loads all activated addons default configuration through the load_config hook, then load the local.config.php
-        * again to overwrite potential local addon configuration.
-        */
-       private function loadAddonConfig()
-       {
-               // Loads addons default config
-               Core\Hook::callAll('load_config');
-
-               // Load the local addon config file to overwritten default addon config values
-               if (file_exists($this->getBasePath() . '/config/addon.config.php')) {
-                       $this->loadConfigFile($this->getBasePath() . '/config/addon.config.php', true);
-               } elseif (file_exists($this->getBasePath() . '/config/addon.ini.php')) {
-                       $this->loadINIConfigFile($this->getBasePath() . '/config/addon.ini.php', true);
-               }
-       }
-
-       /**
-        * Tries to load the specified configuration array into the App->config array.
-        * Doesn't overwrite previously set values by default to prevent default config files to supersede DB Config.
-        *
-        * @param array $config
-        * @param bool  $overwrite Force value overwrite if the config key already exists
-        */
-       private function loadConfigArray(array $config, $overwrite = false)
-       {
-               foreach ($config as $category => $values) {
-                       foreach ($values as $key => $value) {
-                               if ($overwrite) {
-                                       $this->setConfigValue($category, $key, $value);
-                               } else {
-                                       $this->setDefaultConfigValue($category, $key, $value);
-                               }
-                       }
-               }
        }
 
        /**
@@ -486,8 +384,8 @@ class App
         */
        private function loadDefaultTimezone()
        {
-               if ($this->getConfigValue('system', 'default_timezone')) {
-                       $this->timezone = $this->getConfigValue('system', 'default_timezone');
+               if ($this->config->get('system', 'default_timezone')) {
+                       $this->timezone = $this->config->get('system', 'default_timezone');
                } else {
                        global $default_timezone;
                        $this->timezone = !empty($default_timezone) ? $default_timezone : 'UTC';
@@ -503,23 +401,33 @@ class App
         */
        private function determineURLPath()
        {
+               /*
+                * The automatic path detection in this function is currently deactivated,
+                * see issue https://github.com/friendica/friendica/issues/6679
+                *
+                * The problem is that the function seems to be confused with some url.
+                * These then confuses the detection which changes the url path.
+                */
+
                /* Relative script path to the web server root
                 * Not all of those $_SERVER properties can be present, so we do by inverse priority order
                 */
+/*
                $relative_script_path = '';
                $relative_script_path = defaults($_SERVER, 'REDIRECT_URL'       , $relative_script_path);
                $relative_script_path = defaults($_SERVER, 'REDIRECT_URI'       , $relative_script_path);
                $relative_script_path = defaults($_SERVER, 'REDIRECT_SCRIPT_URL', $relative_script_path);
                $relative_script_path = defaults($_SERVER, 'SCRIPT_URL'         , $relative_script_path);
                $relative_script_path = defaults($_SERVER, 'REQUEST_URI'        , $relative_script_path);
-
-               $this->urlPath = $this->getConfigValue('system', 'urlpath');
+*/
+               $this->urlPath = $this->config->get('system', 'urlpath');
 
                /* $relative_script_path gives /relative/path/to/friendica/module/parameter
                 * QUERY_STRING gives pagename=module/parameter
                 *
                 * To get /relative/path/to/friendica we perform dirname() for as many levels as there are slashes in the QUERY_STRING
                 */
+/*
                if (!empty($relative_script_path)) {
                        // Module
                        if (!empty($_SERVER['QUERY_STRING'])) {
@@ -533,97 +441,7 @@ class App
                                $this->urlPath = $path;
                        }
                }
-       }
-
-       public function loadDatabase()
-       {
-               if (DBA::connected()) {
-                       return;
-               }
-
-               $db_host = $this->getConfigValue('database', 'hostname');
-               $db_user = $this->getConfigValue('database', 'username');
-               $db_pass = $this->getConfigValue('database', 'password');
-               $db_data = $this->getConfigValue('database', 'database');
-               $charset = $this->getConfigValue('database', 'charset');
-
-               // Use environment variables for mysql if they are set beforehand
-               if (!empty(getenv('MYSQL_HOST'))
-                       && !empty(getenv('MYSQL_USERNAME') || !empty(getenv('MYSQL_USER')))
-                       && getenv('MYSQL_PASSWORD') !== false
-                       && !empty(getenv('MYSQL_DATABASE')))
-               {
-                       $db_host = getenv('MYSQL_HOST');
-                       if (!empty(getenv('MYSQL_PORT'))) {
-                               $db_host .= ':' . getenv('MYSQL_PORT');
-                       }
-                       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');
-               }
-
-               $stamp1 = microtime(true);
-
-               if (DBA::connect($db_host, $db_user, $db_pass, $db_data, $charset)) {
-                       // Loads DB_UPDATE_VERSION constant
-                       Database\DBStructure::definition(false);
-               }
-
-               unset($db_host, $db_user, $db_pass, $db_data, $charset);
-
-               $this->saveTimestamp($stamp1, 'network');
-       }
-
-       /**
-        * @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 getBasePath()
-       {
-               $basepath = $this->basePath;
-
-               if (!$basepath) {
-                       $basepath = Core\Config::get('system', 'basepath');
-               }
-
-               if (!$basepath && !empty($_SERVER['DOCUMENT_ROOT'])) {
-                       $basepath = $_SERVER['DOCUMENT_ROOT'];
-               }
-
-               if (!$basepath && !empty($_SERVER['PWD'])) {
-                       $basepath = $_SERVER['PWD'];
-               }
-
-               return self::getRealPath($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 $path The path that is about to be normalized
-        * @return string normalized path - when possible
-        */
-       public static function getRealPath($path)
-       {
-               $normalized = realpath($path);
-
-               if (!is_bool($normalized)) {
-                       return $normalized;
-               } else {
-                       return $path;
-               }
+*/
        }
 
        public function getScheme()
@@ -644,6 +462,7 @@ class App
         *
         * @param bool $ssl Whether to append http or https under SSL_POLICY_SELFSIGN
         * @return string Friendica server base URL
+        * @throws InternalServerErrorException
         */
        public function getBaseURL($ssl = false)
        {
@@ -668,7 +487,7 @@ class App
                        $this->hostname = Core\Config::get('config', 'hostname');
                }
 
-               return $scheme . '://' . $this->hostname . !empty($this->getURLPath() ? '/' . $this->getURLPath() : '' );
+               return $scheme . '://' . $this->hostname . (!empty($this->getURLPath()) ? '/' . $this->getURLPath() : '' );
        }
 
        /**
@@ -677,6 +496,7 @@ class App
         * Clears the baseurl cache to prevent inconsistencies
         *
         * @param string $url
+        * @throws InternalServerErrorException
         */
        public function setBaseURL($url)
        {
@@ -699,8 +519,8 @@ class App
                                $this->urlPath = trim($parsed['path'], '\\/');
                        }
 
-                       if (file_exists($this->getBasePath() . '/.htpreconfig.php')) {
-                               include $this->getBasePath() . '/.htpreconfig.php';
+                       if (file_exists($this->basePath . '/.htpreconfig.php')) {
+                               include $this->basePath . '/.htpreconfig.php';
                        }
 
                        if (Core\Config::get('config', 'hostname') != '') {
@@ -753,9 +573,9 @@ class App
                // compose the page title from the sitename and the
                // current module called
                if (!$this->module == '') {
-                       $this->page['title'] = $this->config['sitename'] . ' (' . $this->module . ')';
+                       $this->page['title'] = $this->config->get('config', 'sitename') . ' (' . $this->module . ')';
                } else {
-                       $this->page['title'] = $this->config['sitename'];
+                       $this->page['title'] = $this->config->get('config', 'sitename');
                }
 
                if (!empty(Core\Renderer::$theme['stylesheet'])) {
@@ -776,7 +596,7 @@ class App
                        $touch_icon = 'images/friendica-128.png';
                }
 
-               Core\Addon::callHooks('head', $this->page['htmlhead']);
+               Core\Hook::callAll('head', $this->page['htmlhead']);
 
                $tpl = Core\Renderer::getMarkupTemplate('head.tpl');
                /* put the head template at the beginning of page['htmlhead']
@@ -788,8 +608,6 @@ class App
                        '$local_user'      => local_user(),
                        '$generator'       => 'Friendica' . ' ' . FRIENDICA_VERSION,
                        '$delitem'         => Core\L10n::t('Delete this item?'),
-                       '$showmore'        => Core\L10n::t('show more'),
-                       '$showfewer'       => Core\L10n::t('show fewer'),
                        '$update_interval' => $interval,
                        '$shortcut_icon'   => $shortcut_icon,
                        '$touch_icon'      => $touch_icon,
@@ -835,7 +653,7 @@ class App
                        ]);
                }
 
-               Core\Addon::callHooks('footer', $this->page['footer']);
+               Core\Hook::callAll('footer', $this->page['footer']);
 
                $tpl = Core\Renderer::getMarkupTemplate('footer.tpl');
                $this->page['footer'] = Core\Renderer::replaceMacros($tpl, [
@@ -850,6 +668,7 @@ class App
         * @param string $origURL
         *
         * @return string The cleaned url
+        * @throws InternalServerErrorException
         */
        public function removeBaseURL($origURL)
        {
@@ -866,43 +685,11 @@ class App
                }
        }
 
-       /**
-        * Saves a timestamp for a value - f.e. a call
-        * Necessary for profiling Friendica
-        *
-        * @param int $timestamp the Timestamp
-        * @param string $value A value to profile
-        */
-       public function saveTimestamp($timestamp, $value)
-       {
-               if (!isset($this->config['system']['profiler']) || !$this->config['system']['profiler']) {
-                       return;
-               }
-
-               $duration = (float) (microtime(true) - $timestamp);
-
-               if (!isset($this->performance[$value])) {
-                       // Prevent ugly E_NOTICE
-                       $this->performance[$value] = 0;
-               }
-
-               $this->performance[$value] += (float) $duration;
-               $this->performance['marktime'] += (float) $duration;
-
-               $callstack = Core\System::callstack();
-
-               if (!isset($this->callstack[$value][$callstack])) {
-                       // Prevent ugly E_NOTICE
-                       $this->callstack[$value][$callstack] = 0;
-               }
-
-               $this->callstack[$value][$callstack] += (float) $duration;
-       }
-
        /**
         * Returns the current UserAgent as a String
         *
         * @return string the UserAgent as a String
+        * @throws InternalServerErrorException
         */
        public function getUserAgent()
        {
@@ -1026,6 +813,7 @@ class App
         * @brief Checks if the minimal memory is reached
         *
         * @return bool Is the memory limit reached?
+        * @throws InternalServerErrorException
         */
        public function isMinMemoryReached()
        {
@@ -1070,6 +858,7 @@ class App
         * @brief Checks if the maximum load is reached
         *
         * @return bool Is the load reached?
+        * @throws InternalServerErrorException
         */
        public function isMaxLoadReached()
        {
@@ -1102,6 +891,7 @@ class App
         *
         * @param string $command The command to execute
         * @param array  $args    Arguments to pass to the command ( [ 'key' => value, 'key2' => value2, ... ]
+        * @throws InternalServerErrorException
         */
        public function proc_run($command, $args)
        {
@@ -1109,7 +899,7 @@ class App
                        return;
                }
 
-               $cmdline = $this->getConfigValue('config', 'php_path', 'php') . ' ' . escapeshellarg($command);
+               $cmdline = $this->config->get('config', 'php_path', 'php') . ' ' . escapeshellarg($command);
 
                foreach ($args as $key => $value) {
                        if (!is_null($value) && is_bool($value) && !$value) {
@@ -1127,9 +917,9 @@ class App
                }
 
                if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
-                       $resource = proc_open('cmd /c start /b ' . $cmdline, [], $foo, $this->getBasePath());
+                       $resource = proc_open('cmd /c start /b ' . $cmdline, [], $foo, $this->basePath);
                } else {
-                       $resource = proc_open($cmdline . ' &', [], $foo, $this->getBasePath());
+                       $resource = proc_open($cmdline . ' &', [], $foo, $this->basePath);
                }
                if (!is_resource($resource)) {
                        Core\Logger::log('We got no resource for command ' . $cmdline, Core\Logger::DEBUG);
@@ -1138,204 +928,11 @@ class App
                proc_close($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 getSystemUser()
-       {
-               if (!function_exists('posix_getpwuid') || !function_exists('posix_geteuid')) {
-                       return '';
-               }
-
-               $processUser = posix_getpwuid(posix_geteuid());
-               return $processUser['name'];
-       }
-
-       /**
-        * @brief Checks if a given directory is usable for the system
-        *
-        * @return boolean the directory is usable
-        */
-       public static function isDirectoryUsable($directory, $check_writable = true)
-       {
-               if ($directory == '') {
-                       Core\Logger::log('Directory is empty. This shouldn\'t happen.', Core\Logger::DEBUG);
-                       return false;
-               }
-
-               if (!file_exists($directory)) {
-                       Core\Logger::log('Path "' . $directory . '" does not exist for user ' . self::getSystemUser(), Core\Logger::DEBUG);
-                       return false;
-               }
-
-               if (is_file($directory)) {
-                       Core\Logger::log('Path "' . $directory . '" is a file for user ' . self::getSystemUser(), Core\Logger::DEBUG);
-                       return false;
-               }
-
-               if (!is_dir($directory)) {
-                       Core\Logger::log('Path "' . $directory . '" is not a directory for user ' . self::getSystemUser(), Core\Logger::DEBUG);
-                       return false;
-               }
-
-               if ($check_writable && !is_writable($directory)) {
-                       Core\Logger::log('Path "' . $directory . '" is not writable for user ' . self::getSystemUser(), Core\Logger::DEBUG);
-                       return false;
-               }
-
-               return true;
-       }
-
-       /**
-        * @param string $cat     Config category
-        * @param string $k       Config key
-        * @param mixed  $default Default value if it isn't set
-        *
-        * @return string Returns the value of the Config entry
-        */
-       public function getConfigValue($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 default value in the config cache. Ignores already existing keys.
-        *
-        * @param string $cat Config category
-        * @param string $k   Config key
-        * @param mixed  $v   Default value to set
-        */
-       private function setDefaultConfigValue($cat, $k, $v)
-       {
-               if (!isset($this->config[$cat][$k])) {
-                       $this->setConfigValue($cat, $k, $v);
-               }
-       }
-
-       /**
-        * 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  $default Default value if key isn't set
-        *
-        * @return string The value of the config entry
-        */
-       public function getPConfigValue($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[$uid]) || !is_array($this->config[$uid])) {
-                       $this->config[$uid] = [];
-               }
-
-               if (!isset($this->config[$uid][$cat]) || !is_array($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
+        * @throws InternalServerErrorException
         */
        public function getSenderEmailAddress()
        {
@@ -1356,6 +953,7 @@ class App
         * Returns the current theme name.
         *
         * @return string the name of the current theme
+        * @throws InternalServerErrorException
         */
        public function getCurrentTheme()
        {
@@ -1363,14 +961,18 @@ class App
                        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)
-               $this->computeCurrentTheme();
+               if (!$this->currentTheme) {
+                       $this->computeCurrentTheme();
+               }
 
                return $this->currentTheme;
        }
 
+       public function setCurrentTheme($theme)
+       {
+               $this->currentTheme = $theme;
+       }
+
        /**
         * Computes the current theme name based on the node settings, the user settings and the device type
         *
@@ -1433,6 +1035,7 @@ class App
         * Provide a sane default if nothing is chosen or the specified theme does not exist.
         *
         * @return string
+        * @throws InternalServerErrorException
         */
        public function getCurrentThemeStylesheetPath()
        {
@@ -1525,14 +1128,14 @@ class App
                        }
 
                        Core\Session::init();
-                       Core\Addon::callHooks('init_1');
+                       Core\Hook::callAll('init_1');
                }
 
                // Exclude the backend processes from the session management
                if (!$this->isBackend()) {
                        $stamp1 = microtime(true);
                        session_start();
-                       $this->saveTimestamp($stamp1, 'parser');
+                       $this->profiler->saveTimestamp($stamp1, 'parser', Core\System::callstack());
                        Core\L10n::setSessionVariable();
                        Core\L10n::setLangFromSession();
                } else {
@@ -1592,7 +1195,7 @@ class App
                        $this->module = 'maintenance';
                } else {
                        $this->checkURL();
-                       Core\Update::check(false);
+                       Core\Update::check($this->basePath, false);
                        Core\Addon::loadAddons();
                        Core\Hook::loadHooks();
                }
@@ -1709,23 +1312,14 @@ class App
                        }
                }
 
-               // Load current theme info
-               $theme_info_file = 'view/theme/' . $this->getCurrentTheme() . '/theme.php';
-               if (file_exists($theme_info_file)) {
-                       require_once $theme_info_file;
-               }
+               $content = '';
 
-               // initialise content region
-               if ($this->getMode()->isNormal()) {
-                       Core\Addon::callHooks('page_content_top', $this->page['content']);
-               }
-
-               // Call module functions
+               // Initialize module that can set the current theme in the init() method, either directly or via App->profile_uid
                if ($this->module_loaded) {
                        $this->page['page_title'] = $this->module;
                        $placeholder = '';
 
-                       Core\Addon::callHooks($this->module . '_mod_init', $placeholder);
+                       Core\Hook::callAll($this->module . '_mod_init', $placeholder);
 
                        call_user_func([$this->module_class, 'init']);
 
@@ -1734,37 +1328,47 @@ class App
                        if (!$this->error) {
                                call_user_func([$this->module_class, 'rawContent']);
                        }
+               }
 
-                       if (function_exists(str_replace('-', '_', $this->getCurrentTheme()) . '_init')) {
-                               $func = str_replace('-', '_', $this->getCurrentTheme()) . '_init';
-                               $func($this);
-                       }
+               // Load current theme info after module has been initialized as theme could have been set in module
+               $theme_info_file = 'view/theme/' . $this->getCurrentTheme() . '/theme.php';
+               if (file_exists($theme_info_file)) {
+                       require_once $theme_info_file;
+               }
 
+               if (function_exists(str_replace('-', '_', $this->getCurrentTheme()) . '_init')) {
+                       $func = str_replace('-', '_', $this->getCurrentTheme()) . '_init';
+                       $func($this);
+               }
+
+               if ($this->module_loaded) {
                        if (! $this->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
-                               Core\Addon::callHooks($this->module . '_mod_post', $_POST);
+                               Core\Hook::callAll($this->module . '_mod_post', $_POST);
                                call_user_func([$this->module_class, 'post']);
                        }
 
                        if (! $this->error) {
-                               Core\Addon::callHooks($this->module . '_mod_afterpost', $placeholder);
+                               Core\Hook::callAll($this->module . '_mod_afterpost', $placeholder);
                                call_user_func([$this->module_class, 'afterpost']);
                        }
 
                        if (! $this->error) {
-                               $arr = ['content' => $this->page['content']];
-                               Core\Addon::callHooks($this->module . '_mod_content', $arr);
-                               $this->page['content'] = $arr['content'];
+                               $arr = ['content' => $content];
+                               Core\Hook::callAll($this->module . '_mod_content', $arr);
+                               $content = $arr['content'];
                                $arr = ['content' => call_user_func([$this->module_class, 'content'])];
-                               Core\Addon::callHooks($this->module . '_mod_aftercontent', $arr);
-                               $this->page['content'] .= $arr['content'];
+                               Core\Hook::callAll($this->module . '_mod_aftercontent', $arr);
+                               $content .= $arr['content'];
                        }
+               }
 
-                       if (function_exists(str_replace('-', '_', $this->getCurrentTheme()) . '_content_loaded')) {
-                               $func = str_replace('-', '_', $this->getCurrentTheme()) . '_content_loaded';
-                               $func($this);
-                       }
+               // 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.
                 *
@@ -1787,7 +1391,7 @@ class App
                }
 
                // Report anything which needs to be communicated in the notification area (before the main body)
-               Core\Addon::callHooks('page_end', $this->page['content']);
+               Core\Hook::callAll('page_end', $this->page['content']);
 
                // Add the navigation (menu) template
                if ($this->module != 'install' && $this->module != 'maintenance') {
@@ -1817,14 +1421,14 @@ class App
                                // And then append it to the target
                                $target->documentElement->appendChild($item);
                        }
-               }
 
-               if (isset($_GET["mode"]) && ($_GET["mode"] == "raw")) {
-                       header("Content-type: text/html; charset=utf-8");
+                       if ($_GET["mode"] == "raw") {
+                               header("Content-type: text/html; charset=utf-8");
 
-                       echo substr($target->saveHTML(), 6, -8);
+                               echo substr($target->saveHTML(), 6, -8);
 
-                       exit();
+                               exit();
+                       }
                }
 
                $page    = $this->page;
@@ -1893,7 +1497,7 @@ class App
         * Should only be used if it isn't clear if the URL is either internal or external
         *
         * @param string $toUrl The target URL
-        *
+        * @throws InternalServerErrorException
         */
        public function redirect($toUrl)
        {