7 use Detection\MobileDetect;
11 use Friendica\Core\Config\Cache\IConfigCache;
12 use Friendica\Core\Config\Configuration;
13 use Friendica\Core\Hook;
14 use Friendica\Core\Theme;
15 use Friendica\Database\DBA;
16 use Friendica\Model\Profile;
17 use Friendica\Network\HTTPException\InternalServerErrorException;
18 use Friendica\Util\BaseURL;
19 use Friendica\Util\Config\ConfigFileLoader;
20 use Friendica\Util\HTTPSignature;
21 use Friendica\Util\Profiler;
22 use Friendica\Util\Strings;
23 use Psr\Log\LoggerInterface;
29 * @brief Our main application structure for the life of this page.
31 * Primarily deals with the URL that got us here
32 * and tries to make some sense of it, and
33 * stores our page contents and config storage
34 * and anything else that might need to be passed around
35 * before we spit the page out.
40 public $module_class = null;
41 public $query_string = '';
52 public $error = false;
58 public $interactive = true;
60 public $is_mobile = false;
61 public $is_tablet = false;
62 public $theme_info = [];
64 // Allow themes to control internal parameters
65 // by changing App values in theme.php
67 public $sourcename = '';
68 public $videowidth = 425;
69 public $videoheight = 350;
70 public $force_max_items = 0;
71 public $theme_events_in_profile = true;
73 public $stylesheets = [];
74 public $footerScripts = [];
77 * @var App\Mode The Mode of the Application
92 * @var bool true, if the call is from the Friendica APP, otherwise false
94 private $isFriendicaApp;
97 * @var bool true, if the call is from an backend node (f.e. worker)
102 * @var string The name of the current theme
104 private $currentTheme;
107 * @var bool check if request was an AJAX (xmlhttprequest) request
114 public $mobileDetect;
117 * @var Configuration The config
122 * @var LoggerInterface The logger
127 * @var Profiler The profiler of this app
132 * Returns the current config cache of this node
134 * @return IConfigCache
136 public function getConfigCache()
138 return $this->config->getCache();
142 * The basepath of this app
146 public function getBasePath()
148 return $this->config->get('system', 'basepath');
152 * The Logger of this app
154 * @return LoggerInterface
156 public function getLogger()
158 return $this->logger;
162 * The profiler of this app
166 public function getProfiler()
168 return $this->profiler;
172 * Returns the Mode of the Application
174 * @return App\Mode The Application Mode
176 public function getMode()
182 * Returns the router of the Application
186 public function getRouter()
188 return $this->router;
192 * Register a stylesheet file path to be included in the <head> tag of every page.
193 * Inclusion is done in App->initHead().
194 * The path can be absolute or relative to the Friendica installation base folder.
198 * @param string $path
199 * @throws InternalServerErrorException
201 public function registerStylesheet($path)
203 if (mb_strpos($path, $this->getBasePath() . DIRECTORY_SEPARATOR) === 0) {
204 $path = mb_substr($path, mb_strlen($this->getBasePath() . DIRECTORY_SEPARATOR));
207 $this->stylesheets[] = trim($path, '/');
211 * Register a javascript file path to be included in the <footer> tag of every page.
212 * Inclusion is done in App->initFooter().
213 * The path can be absolute or relative to the Friendica installation base folder.
217 * @param string $path
218 * @throws InternalServerErrorException
220 public function registerFooterScript($path)
222 $url = str_replace($this->getBasePath() . DIRECTORY_SEPARATOR, '', $path);
224 $this->footerScripts[] = trim($url, '/');
230 * @brief App constructor.
232 * @param Configuration $config The Configuration
233 * @param App\Mode $mode The mode of this Friendica app
234 * @param App\Router $router The router of this Friendica app
235 * @param BaseURL $baseURL The full base URL of this Friendica app
236 * @param LoggerInterface $logger The current app logger
237 * @param Profiler $profiler The profiler of this application
238 * @param bool $isBackend Whether it is used for backend or frontend (Default true=backend)
240 * @throws Exception if the Basepath is not usable
242 public function __construct(Configuration $config, App\Mode $mode, App\Router $router, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, $isBackend = true)
244 BaseObject::setApp($this);
246 $this->config = $config;
248 $this->router = $router;
249 $this->baseURL = $baseURL;
250 $this->profiler = $profiler;
251 $this->logger = $logger;
253 $this->checkBackend($isBackend);
254 $this->checkFriendicaApp();
256 $this->profiler->reset();
262 // This has to be quite large to deal with embedded private photos
263 ini_set('pcre.backtrack_limit', 500000);
266 get_include_path() . PATH_SEPARATOR
267 . $this->getBasePath() . DIRECTORY_SEPARATOR . 'include' . PATH_SEPARATOR
268 . $this->getBasePath() . DIRECTORY_SEPARATOR . 'library' . PATH_SEPARATOR
269 . $this->getBasePath());
271 if (!empty($_SERVER['QUERY_STRING']) && strpos($_SERVER['QUERY_STRING'], 'pagename=') === 0) {
272 $this->query_string = substr($_SERVER['QUERY_STRING'], 9);
273 } elseif (!empty($_SERVER['QUERY_STRING']) && strpos($_SERVER['QUERY_STRING'], 'q=') === 0) {
274 $this->query_string = substr($_SERVER['QUERY_STRING'], 2);
277 // removing trailing / - maybe a nginx problem
278 $this->query_string = ltrim($this->query_string, '/');
280 if (!empty($_GET['pagename'])) {
281 $this->cmd = trim($_GET['pagename'], '/\\');
282 } elseif (!empty($_GET['q'])) {
283 $this->cmd = trim($_GET['q'], '/\\');
287 $this->query_string = str_replace($this->cmd . '&', $this->cmd . '?', $this->query_string);
289 // unix style "homedir"
290 if (substr($this->cmd, 0, 1) === '~') {
291 $this->cmd = 'profile/' . substr($this->cmd, 1);
294 // Diaspora style profile url
295 if (substr($this->cmd, 0, 2) === 'u/') {
296 $this->cmd = 'profile/' . substr($this->cmd, 2);
300 * Break the URL path into C style argc/argv style arguments for our
301 * modules. Given "http://example.com/module/arg1/arg2", $this->argc
302 * will be 3 (integer) and $this->argv will contain:
308 * There will always be one argument. If provided a naked domain
309 * URL, $this->argv[0] is set to "home".
312 $this->argv = explode('/', $this->cmd);
313 $this->argc = count($this->argv);
314 if ((array_key_exists('0', $this->argv)) && strlen($this->argv[0])) {
315 $this->module = str_replace('.', '_', $this->argv[0]);
316 $this->module = str_replace('-', '_', $this->module);
319 $this->argv = ['home'];
320 $this->module = 'home';
323 // Detect mobile devices
324 $mobile_detect = new MobileDetect();
326 $this->mobileDetect = $mobile_detect;
328 $this->is_mobile = $mobile_detect->isMobile();
329 $this->is_tablet = $mobile_detect->isTablet();
331 $this->isAjax = strtolower(defaults($_SERVER, 'HTTP_X_REQUESTED_WITH', '')) == 'xmlhttprequest';
333 // Register template engines
334 Core\Renderer::registerTemplateEngine('Friendica\Render\FriendicaSmartyEngine');
338 * Reloads the whole app instance
340 public function reload()
342 $this->getMode()->determine($this->getBasePath());
344 if ($this->getMode()->has(App\Mode::DBAVAILABLE)) {
345 $loader = new ConfigFileLoader($this->getBasePath(), $this->getMode());
346 $this->config->getCache()->load($loader->loadCoreConfig('addon'), true);
348 $this->profiler->update(
349 $this->config->get('system', 'profiler', false),
350 $this->config->get('rendertime', 'callstack', false));
352 Core\Hook::loadHooks();
353 $loader = new ConfigFileLoader($this->getBasePath(), $this->mode);
354 Core\Hook::callAll('load_config', $loader);
357 $this->loadDefaultTimezone();
363 * Loads the default timezone
365 * Include support for legacy $default_timezone
367 * @global string $default_timezone
369 private function loadDefaultTimezone()
371 if ($this->config->get('system', 'default_timezone')) {
372 $this->timezone = $this->config->get('system', 'default_timezone');
374 global $default_timezone;
375 $this->timezone = !empty($default_timezone) ? $default_timezone : 'UTC';
378 if ($this->timezone) {
379 date_default_timezone_set($this->timezone);
384 * Returns the scheme of the current call
387 * @deprecated 2019.06 - use BaseURL->getScheme() instead
389 public function getScheme()
391 return $this->baseURL->getScheme();
395 * Retrieves the Friendica instance base URL
397 * @param bool $ssl Whether to append http or https under BaseURL::SSL_POLICY_SELFSIGN
399 * @return string Friendica server base URL
401 * @deprecated 2019.06 - use BaseURL->get($ssl) instead
403 public function getBaseURL($ssl = false)
405 return $this->baseURL->get($ssl);
409 * @brief Initializes the baseurl components
411 * Clears the baseurl cache to prevent inconsistencies
415 * @deprecated 2019.06 - use BaseURL->saveByURL($url) instead
417 public function setBaseURL($url)
419 $this->baseURL->saveByURL($url);
423 * Returns the current hostname
427 * @deprecated 2019.06 - use BaseURL->getHostname() instead
429 public function getHostName()
431 return $this->baseURL->getHostname();
435 * Returns the sub-path of the full URL
439 * @deprecated 2019.06 - use BaseURL->getUrlPath() instead
441 public function getURLPath()
443 return $this->baseURL->getUrlPath();
447 * Initializes App->page['htmlhead'].
452 * - Registered stylesheets (through App->registerStylesheet())
453 * - Infinite scroll data
454 * - head.tpl template
456 public function initHead()
458 $interval = ((local_user()) ? Core\PConfig::get(local_user(), 'system', 'update_interval') : 40000);
460 // If the update is 'deactivated' set it to the highest integer number (~24 days)
462 $interval = 2147483647;
465 if ($interval < 10000) {
469 // Default title: current module called
470 if (empty($this->page['title']) && $this->module) {
471 $this->page['title'] = ucfirst($this->module);
474 // Prepend the sitename to the page title
475 $this->page['title'] = $this->config->get('config', 'sitename', '') . (!empty($this->page['title']) ? ' | ' . $this->page['title'] : '');
477 if (!empty(Core\Renderer::$theme['stylesheet'])) {
478 $stylesheet = Core\Renderer::$theme['stylesheet'];
480 $stylesheet = $this->getCurrentThemeStylesheetPath();
483 $this->registerStylesheet($stylesheet);
485 $shortcut_icon = $this->config->get('system', 'shortcut_icon');
486 if ($shortcut_icon == '') {
487 $shortcut_icon = 'images/friendica-32.png';
490 $touch_icon = $this->config->get('system', 'touch_icon');
491 if ($touch_icon == '') {
492 $touch_icon = 'images/friendica-128.png';
495 Core\Hook::callAll('head', $this->page['htmlhead']);
497 $tpl = Core\Renderer::getMarkupTemplate('head.tpl');
498 /* put the head template at the beginning of page['htmlhead']
499 * since the code added by the modules frequently depends on it
502 $this->page['htmlhead'] = Core\Renderer::replaceMacros($tpl, [
503 '$baseurl' => $this->getBaseURL(),
504 '$local_user' => local_user(),
505 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
506 '$delitem' => Core\L10n::t('Delete this item?'),
507 '$update_interval' => $interval,
508 '$shortcut_icon' => $shortcut_icon,
509 '$touch_icon' => $touch_icon,
510 '$block_public' => intval($this->config->get('system', 'block_public')),
511 '$stylesheets' => $this->stylesheets,
512 ]) . $this->page['htmlhead'];
516 * Initializes App->page['footer'].
519 * - Javascript homebase
520 * - Mobile toggle link
521 * - Registered footer scripts (through App->registerFooterScript())
522 * - footer.tpl template
524 public function initFooter()
526 // If you're just visiting, let javascript take you home
527 if (!empty($_SESSION['visitor_home'])) {
528 $homebase = $_SESSION['visitor_home'];
529 } elseif (local_user()) {
530 $homebase = 'profile/' . $this->user['nickname'];
533 if (isset($homebase)) {
534 $this->page['footer'] .= '<script>var homebase="' . $homebase . '";</script>' . "\n";
538 * Add a "toggle mobile" link if we're using a mobile device
540 if ($this->is_mobile || $this->is_tablet) {
541 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
542 $link = 'toggle_mobile?address=' . urlencode(curPageURL());
544 $link = 'toggle_mobile?off=1&address=' . urlencode(curPageURL());
546 $this->page['footer'] .= Core\Renderer::replaceMacros(Core\Renderer::getMarkupTemplate("toggle_mobile_footer.tpl"), [
547 '$toggle_link' => $link,
548 '$toggle_text' => Core\L10n::t('toggle mobile')
552 Core\Hook::callAll('footer', $this->page['footer']);
554 $tpl = Core\Renderer::getMarkupTemplate('footer.tpl');
555 $this->page['footer'] = Core\Renderer::replaceMacros($tpl, [
556 '$baseurl' => $this->getBaseURL(),
557 '$footerScripts' => $this->footerScripts,
558 ]) . $this->page['footer'];
562 * @brief Removes the base url from an url. This avoids some mixed content problems.
564 * @param string $origURL
566 * @return string The cleaned url
567 * @throws InternalServerErrorException
569 public function removeBaseURL($origURL)
571 // Remove the hostname from the url if it is an internal link
572 $nurl = Util\Strings::normaliseLink($origURL);
573 $base = Util\Strings::normaliseLink($this->getBaseURL());
574 $url = str_replace($base . '/', '', $nurl);
576 // if it is an external link return the orignal value
577 if ($url == Util\Strings::normaliseLink($origURL)) {
585 * Returns the current UserAgent as a String
587 * @return string the UserAgent as a String
588 * @throws InternalServerErrorException
590 public function getUserAgent()
593 FRIENDICA_PLATFORM . " '" .
594 FRIENDICA_CODENAME . "' " .
595 FRIENDICA_VERSION . '-' .
596 DB_UPDATE_VERSION . '; ' .
601 * Checks, if the call is from the Friendica App
604 * The friendica client has problems with the GUID in the notify. this is some workaround
606 private function checkFriendicaApp()
609 $this->isFriendicaApp = isset($_SERVER['HTTP_USER_AGENT']) && $_SERVER['HTTP_USER_AGENT'] == 'Apache-HttpClient/UNAVAILABLE (java 1.4)';
613 * Is the call via the Friendica app? (not a "normale" call)
615 * @return bool true if it's from the Friendica app
617 public function isFriendicaApp()
619 return $this->isFriendicaApp;
623 * @brief Checks if the site is called via a backend process
625 * This isn't a perfect solution. But we need this check very early.
626 * So we cannot wait until the modules are loaded.
628 * @param string $backend true, if the backend flag was set during App initialization
631 private function checkBackend($backend) {
655 // Check if current module is in backend or backend flag is set
656 $this->isBackend = (in_array($this->module, $backends) || $backend || $this->isBackend);
660 * Returns true, if the call is from a backend node (f.e. from a worker)
662 * @return bool Is it a known backend?
664 public function isBackend()
666 return $this->isBackend;
670 * @brief Checks if the maximum number of database processes is reached
672 * @return bool Is the limit reached?
674 public function isMaxProcessesReached()
676 // Deactivated, needs more investigating if this check really makes sense
680 * Commented out to suppress static analyzer issues
682 if ($this->is_backend()) {
683 $process = 'backend';
684 $max_processes = $this->config->get('system', 'max_processes_backend');
685 if (intval($max_processes) == 0) {
689 $process = 'frontend';
690 $max_processes = $this->config->get('system', 'max_processes_frontend');
691 if (intval($max_processes) == 0) {
696 $processlist = DBA::processlist();
697 if ($processlist['list'] != '') {
698 Core\Logger::log('Processcheck: Processes: ' . $processlist['amount'] . ' - Processlist: ' . $processlist['list'], Core\Logger::DEBUG);
700 if ($processlist['amount'] > $max_processes) {
701 Core\Logger::log('Processcheck: Maximum number of processes for ' . $process . ' tasks (' . $max_processes . ') reached.', Core\Logger::DEBUG);
710 * @brief Checks if the minimal memory is reached
712 * @return bool Is the memory limit reached?
713 * @throws InternalServerErrorException
715 public function isMinMemoryReached()
717 $min_memory = $this->config->get('system', 'min_memory', 0);
718 if ($min_memory == 0) {
722 if (!is_readable('/proc/meminfo')) {
726 $memdata = explode("\n", file_get_contents('/proc/meminfo'));
729 foreach ($memdata as $line) {
730 $data = explode(':', $line);
731 if (count($data) != 2) {
734 list($key, $val) = $data;
735 $meminfo[$key] = (int) trim(str_replace('kB', '', $val));
736 $meminfo[$key] = (int) ($meminfo[$key] / 1024);
739 if (!isset($meminfo['MemFree'])) {
743 $free = $meminfo['MemFree'];
745 $reached = ($free < $min_memory);
748 Core\Logger::log('Minimal memory reached: ' . $free . '/' . $meminfo['MemTotal'] . ' - limit ' . $min_memory, Core\Logger::DEBUG);
755 * @brief Checks if the maximum load is reached
757 * @return bool Is the load reached?
758 * @throws InternalServerErrorException
760 public function isMaxLoadReached()
762 if ($this->isBackend()) {
763 $process = 'backend';
764 $maxsysload = intval($this->config->get('system', 'maxloadavg'));
765 if ($maxsysload < 1) {
769 $process = 'frontend';
770 $maxsysload = intval($this->config->get('system', 'maxloadavg_frontend'));
771 if ($maxsysload < 1) {
776 $load = Core\System::currentLoad();
778 if (intval($load) > $maxsysload) {
779 Core\Logger::log('system: load ' . $load . ' for ' . $process . ' tasks (' . $maxsysload . ') too high.');
787 * Executes a child process with 'proc_open'
789 * @param string $command The command to execute
790 * @param array $args Arguments to pass to the command ( [ 'key' => value, 'key2' => value2, ... ]
791 * @throws InternalServerErrorException
793 public function proc_run($command, $args)
795 if (!function_exists('proc_open')) {
799 $cmdline = $this->config->get('config', 'php_path', 'php') . ' ' . escapeshellarg($command);
801 foreach ($args as $key => $value) {
802 if (!is_null($value) && is_bool($value) && !$value) {
806 $cmdline .= ' --' . $key;
807 if (!is_null($value) && !is_bool($value)) {
808 $cmdline .= ' ' . $value;
812 if ($this->isMinMemoryReached()) {
816 if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
817 $resource = proc_open('cmd /c start /b ' . $cmdline, [], $foo, $this->getBasePath());
819 $resource = proc_open($cmdline . ' &', [], $foo, $this->getBasePath());
821 if (!is_resource($resource)) {
822 Core\Logger::log('We got no resource for command ' . $cmdline, Core\Logger::DEBUG);
825 proc_close($resource);
829 * Generates the site's default sender email address
832 * @throws InternalServerErrorException
834 public function getSenderEmailAddress()
836 $sender_email = $this->config->get('config', 'sender_email');
837 if (empty($sender_email)) {
838 $hostname = $this->getHostName();
839 if (strpos($hostname, ':')) {
840 $hostname = substr($hostname, 0, strpos($hostname, ':'));
843 $sender_email = 'noreply@' . $hostname;
846 return $sender_email;
850 * Returns the current theme name.
852 * @return string the name of the current theme
853 * @throws InternalServerErrorException
855 public function getCurrentTheme()
857 if ($this->getMode()->isInstall()) {
861 if (!$this->currentTheme) {
862 $this->computeCurrentTheme();
865 return $this->currentTheme;
868 public function setCurrentTheme($theme)
870 $this->currentTheme = $theme;
874 * Computes the current theme name based on the node settings, the user settings and the device type
878 private function computeCurrentTheme()
880 $system_theme = $this->config->get('system', 'theme');
881 if (!$system_theme) {
882 throw new Exception(Core\L10n::t('No system theme config value set.'));
886 $this->currentTheme = $system_theme;
889 // Find the theme that belongs to the user whose stuff we are looking at
890 if ($this->profile_uid && ($this->profile_uid != local_user())) {
891 // Allow folks to override user themes and always use their own on their own site.
892 // This works only if the user is on the same server
893 $user = DBA::selectFirst('user', ['theme'], ['uid' => $this->profile_uid]);
894 if (DBA::isResult($user) && !Core\PConfig::get(local_user(), 'system', 'always_my_theme')) {
895 $page_theme = $user['theme'];
899 $user_theme = Core\Session::get('theme', $system_theme);
901 // Specific mobile theme override
902 if (($this->is_mobile || $this->is_tablet) && Core\Session::get('show-mobile', true)) {
903 $system_mobile_theme = $this->config->get('system', 'mobile-theme');
904 $user_mobile_theme = Core\Session::get('mobile-theme', $system_mobile_theme);
906 // --- means same mobile theme as desktop
907 if (!empty($user_mobile_theme) && $user_mobile_theme !== '---') {
908 $user_theme = $user_mobile_theme;
913 $theme_name = $page_theme;
915 $theme_name = $user_theme;
918 $theme_name = Strings::sanitizeFilePathItem($theme_name);
920 && in_array($theme_name, Theme::getAllowedList())
921 && (file_exists('view/theme/' . $theme_name . '/style.css')
922 || file_exists('view/theme/' . $theme_name . '/style.php'))
924 $this->currentTheme = $theme_name;
929 * @brief Return full URL to theme which is currently in effect.
931 * Provide a sane default if nothing is chosen or the specified theme does not exist.
934 * @throws InternalServerErrorException
936 public function getCurrentThemeStylesheetPath()
938 return Core\Theme::getStylesheetPath($this->getCurrentTheme());
942 * Check if request was an AJAX (xmlhttprequest) request.
944 * @return boolean true if it was an AJAX request
946 public function isAjax()
948 return $this->isAjax;
952 * Returns the value of a argv key
953 * TODO there are a lot of $a->argv usages in combination with defaults() which can be replaced with this method
955 * @param int $position the position of the argument
956 * @param mixed $default the default value if not found
958 * @return mixed returns the value of the argument
960 public function getArgumentValue($position, $default = '')
962 if (array_key_exists($position, $this->argv)) {
963 return $this->argv[$position];
970 * Sets the base url for use in cmdline programs which don't have
973 public function checkURL()
975 $url = $this->config->get('system', 'url');
977 // if the url isn't set or the stored url is radically different
978 // than the currently visited url, store the current value accordingly.
979 // "Radically different" ignores common variations such as http vs https
980 // and www.example.com vs example.com.
981 // We will only change the url to an ip address if there is no existing setting
983 if (empty($url) || (!Util\Strings::compareLink($url, $this->getBaseURL())) && (!preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/", $this->getHostName()))) {
984 $this->config->set('system', 'url', $this->getBaseURL());
989 * Frontend App script
991 * The App object behaves like a container and a dispatcher at the same time, including a representation of the
992 * request and a representation of the response.
994 * This probably should change to limit the size of this monster method.
996 public function runFrontend()
998 // Missing DB connection: ERROR
999 if ($this->getMode()->has(App\Mode::LOCALCONFIGPRESENT) && !$this->getMode()->has(App\Mode::DBAVAILABLE)) {
1000 Core\System::httpExit(500, ['title' => 'Error 500 - Internal Server Error', 'description' => 'Apologies but the website is unavailable at the moment.']);
1003 // Max Load Average reached: ERROR
1004 if ($this->isMaxProcessesReached() || $this->isMaxLoadReached()) {
1005 header('Retry-After: 120');
1006 header('Refresh: 120; url=' . $this->getBaseURL() . "/" . $this->query_string);
1008 Core\System::httpExit(503, ['title' => 'Error 503 - Service Temporarily Unavailable', 'description' => 'Core\System is currently overloaded. Please try again later.']);
1011 if (strstr($this->query_string, '.well-known/host-meta') && ($this->query_string != '.well-known/host-meta')) {
1012 Core\System::httpExit(404);
1015 if (!$this->getMode()->isInstall()) {
1016 // Force SSL redirection
1017 if ($this->config->get('system', 'force_ssl') && ($this->getScheme() == "http")
1018 && intval($this->config->get('system', 'ssl_policy')) == BaseURL::SSL_POLICY_FULL
1019 && strpos($this->getBaseURL(), 'https://') === 0
1020 && $_SERVER['REQUEST_METHOD'] == 'GET') {
1021 header('HTTP/1.1 302 Moved Temporarily');
1022 header('Location: ' . $this->getBaseURL() . '/' . $this->query_string);
1026 Core\Session::init();
1027 Core\Hook::callAll('init_1');
1030 // Exclude the backend processes from the session management
1031 if (!$this->isBackend()) {
1032 $stamp1 = microtime(true);
1034 $this->profiler->saveTimestamp($stamp1, 'parser', Core\System::callstack());
1035 Core\L10n::setSessionVariable();
1036 Core\L10n::setLangFromSession();
1039 Core\Worker::executeIfIdle();
1042 if ($this->getMode()->isNormal()) {
1043 $requester = HTTPSignature::getSigner('', $_SERVER);
1044 if (!empty($requester)) {
1045 Profile::addVisitorCookieForHandle($requester);
1050 if (!empty($_GET['zrl']) && $this->getMode()->isNormal()) {
1051 $this->query_string = Model\Profile::stripZrls($this->query_string);
1052 if (!local_user()) {
1053 // Only continue when the given profile link seems valid
1054 // Valid profile links contain a path with "/profile/" and no query parameters
1055 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") &&
1056 strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
1057 if (defaults($_SESSION, "visitor_home", "") != $_GET["zrl"]) {
1058 $_SESSION['my_url'] = $_GET['zrl'];
1059 $_SESSION['authenticated'] = 0;
1061 Model\Profile::zrlInit($this);
1063 // Someone came with an invalid parameter, maybe as a DDoS attempt
1064 // We simply stop processing here
1065 Core\Logger::log("Invalid ZRL parameter " . $_GET['zrl'], Core\Logger::DEBUG);
1066 Core\System::httpExit(403, ['title' => '403 Forbidden']);
1071 if (!empty($_GET['owt']) && $this->getMode()->isNormal()) {
1072 $token = $_GET['owt'];
1073 $this->query_string = Model\Profile::stripQueryParam($this->query_string, 'owt');
1074 Model\Profile::openWebAuthInit($token);
1077 Module\Login::sessionAuth();
1079 if (empty($_SESSION['authenticated'])) {
1080 header('X-Account-Management-Status: none');
1083 $_SESSION['sysmsg'] = defaults($_SESSION, 'sysmsg' , []);
1084 $_SESSION['sysmsg_info'] = defaults($_SESSION, 'sysmsg_info' , []);
1085 $_SESSION['last_updated'] = defaults($_SESSION, 'last_updated', []);
1088 * check_config() is responsible for running update scripts. These automatically
1089 * update the DB schema whenever we push a new one out. It also checks to see if
1090 * any addons have been added or removed and reacts accordingly.
1093 // in install mode, any url loads install module
1094 // but we need "view" module for stylesheet
1095 if ($this->getMode()->isInstall() && $this->module != 'view') {
1096 $this->module = 'install';
1097 } elseif (!$this->getMode()->has(App\Mode::MAINTENANCEDISABLED) && $this->module != 'view') {
1098 $this->module = 'maintenance';
1101 Core\Update::check($this->getBasePath(), false, $this->getMode());
1102 Core\Addon::loadAddons();
1103 Core\Hook::loadHooks();
1114 'right_aside' => '',
1119 if (strlen($this->module)) {
1120 // Compatibility with the Android Diaspora client
1121 if ($this->module == 'stream') {
1122 $this->internalRedirect('network?f=&order=post');
1125 if ($this->module == 'conversations') {
1126 $this->internalRedirect('message');
1129 if ($this->module == 'commented') {
1130 $this->internalRedirect('network?f=&order=comment');
1133 if ($this->module == 'liked') {
1134 $this->internalRedirect('network?f=&order=comment');
1137 if ($this->module == 'activity') {
1138 $this->internalRedirect('network/?f=&conv=1');
1141 if (($this->module == 'status_messages') && ($this->cmd == 'status_messages/new')) {
1142 $this->internalRedirect('bookmarklet');
1145 if (($this->module == 'user') && ($this->cmd == 'user/edit')) {
1146 $this->internalRedirect('settings');
1149 if (($this->module == 'tag_followings') && ($this->cmd == 'tag_followings/manage')) {
1150 $this->internalRedirect('search');
1153 // Compatibility with the Firefox App
1154 if (($this->module == "users") && ($this->cmd == "users/sign_in")) {
1155 $this->module = "login";
1161 * From the request URL, routing consists of obtaining the name of a BaseModule-extending class of which the
1162 * post() and/or content() static methods can be respectively called to produce a data change or an output.
1165 // First we try explicit routes defined in App\Router
1166 $this->router->collectRoutes();
1168 $data = $this->router->getRouteCollector();
1169 Hook::callAll('route_collection', $data);
1171 $this->module_class = $this->router->getModuleClass($this->cmd);
1173 // Then we try addon-provided modules that we wrap in the LegacyModule class
1174 if (!$this->module_class && Core\Addon::isEnabled($this->module) && file_exists("addon/{$this->module}/{$this->module}.php")) {
1175 //Check if module is an app and if public access to apps is allowed or not
1176 $privateapps = $this->config->get('config', 'private_addons', false);
1177 if ((!local_user()) && Core\Hook::isAddonApp($this->module) && $privateapps) {
1178 info(Core\L10n::t("You must be logged in to use addons. "));
1180 include_once "addon/{$this->module}/{$this->module}.php";
1181 if (function_exists($this->module . '_module')) {
1182 LegacyModule::setModuleFile("addon/{$this->module}/{$this->module}.php");
1183 $this->module_class = 'Friendica\\LegacyModule';
1188 // Then we try name-matching a Friendica\Module class
1189 if (!$this->module_class && class_exists('Friendica\\Module\\' . ucfirst($this->module))) {
1190 $this->module_class = 'Friendica\\Module\\' . ucfirst($this->module);
1193 /* Finally, we look for a 'standard' program module in the 'mod' directory
1194 * We emulate a Module class through the LegacyModule class
1196 if (!$this->module_class && file_exists("mod/{$this->module}.php")) {
1197 LegacyModule::setModuleFile("mod/{$this->module}.php");
1198 $this->module_class = 'Friendica\\LegacyModule';
1201 /* The URL provided does not resolve to a valid module.
1203 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
1204 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
1205 * we are going to trap this and redirect back to the requested page. As long as you don't have a critical error on your page
1206 * this will often succeed and eventually do the right thing.
1208 * Otherwise we are going to emit a 404 not found.
1210 if (!$this->module_class) {
1211 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
1212 if (!empty($_SERVER['QUERY_STRING']) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
1216 if (!empty($_SERVER['QUERY_STRING']) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
1217 Core\Logger::log('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
1218 $this->internalRedirect($_SERVER['REQUEST_URI']);
1221 Core\Logger::log('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], Core\Logger::DEBUG);
1223 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . Core\L10n::t('Not Found'));
1224 $tpl = Core\Renderer::getMarkupTemplate("404.tpl");
1225 $this->page['content'] = Core\Renderer::replaceMacros($tpl, [
1226 '$message' => Core\L10n::t('Page not found.')
1233 // Initialize module that can set the current theme in the init() method, either directly or via App->profile_uid
1234 if ($this->module_class) {
1235 $this->page['page_title'] = $this->module;
1238 Core\Hook::callAll($this->module . '_mod_init', $placeholder);
1240 call_user_func([$this->module_class, 'init']);
1242 // "rawContent" is especially meant for technical endpoints.
1243 // This endpoint doesn't need any theme initialization or other comparable stuff.
1244 if (!$this->error) {
1245 call_user_func([$this->module_class, 'rawContent']);
1249 // Load current theme info after module has been initialized as theme could have been set in module
1250 $theme_info_file = 'view/theme/' . $this->getCurrentTheme() . '/theme.php';
1251 if (file_exists($theme_info_file)) {
1252 require_once $theme_info_file;
1255 if (function_exists(str_replace('-', '_', $this->getCurrentTheme()) . '_init')) {
1256 $func = str_replace('-', '_', $this->getCurrentTheme()) . '_init';
1260 if ($this->module_class) {
1261 if (! $this->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
1262 Core\Hook::callAll($this->module . '_mod_post', $_POST);
1263 call_user_func([$this->module_class, 'post']);
1266 if (! $this->error) {
1267 Core\Hook::callAll($this->module . '_mod_afterpost', $placeholder);
1268 call_user_func([$this->module_class, 'afterpost']);
1271 if (! $this->error) {
1272 $arr = ['content' => $content];
1273 Core\Hook::callAll($this->module . '_mod_content', $arr);
1274 $content = $arr['content'];
1275 $arr = ['content' => call_user_func([$this->module_class, 'content'])];
1276 Core\Hook::callAll($this->module . '_mod_aftercontent', $arr);
1277 $content .= $arr['content'];
1281 // initialise content region
1282 if ($this->getMode()->isNormal()) {
1283 Core\Hook::callAll('page_content_top', $this->page['content']);
1286 $this->page['content'] .= $content;
1288 /* Create the page head after setting the language
1289 * and getting any auth credentials.
1291 * Moved initHead() and initFooter() to after
1292 * all the module functions have executed so that all
1293 * theme choices made by the modules can take effect.
1297 /* Build the page ending -- this is stuff that goes right before
1298 * the closing </body> tag
1300 $this->initFooter();
1302 /* now that we've been through the module content, see if the page reported
1303 * a permission problem and if so, a 403 response would seem to be in order.
1305 if (stristr(implode("", $_SESSION['sysmsg']), Core\L10n::t('Permission denied'))) {
1306 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . Core\L10n::t('Permission denied.'));
1309 // Report anything which needs to be communicated in the notification area (before the main body)
1310 Core\Hook::callAll('page_end', $this->page['content']);
1312 // Add the navigation (menu) template
1313 if ($this->module != 'install' && $this->module != 'maintenance') {
1314 $this->page['htmlhead'] .= Core\Renderer::replaceMacros(Core\Renderer::getMarkupTemplate('nav_head.tpl'), []);
1315 $this->page['nav'] = Content\Nav::build($this);
1318 // Build the page - now that we have all the components
1319 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
1320 $doc = new DOMDocument();
1322 $target = new DOMDocument();
1323 $target->loadXML("<root></root>");
1325 $content = mb_convert_encoding($this->page["content"], 'HTML-ENTITIES', "UTF-8");
1327 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
1328 @$doc->loadHTML($content);
1330 $xpath = new DOMXPath($doc);
1332 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
1334 foreach ($list as $item) {
1335 $item = $target->importNode($item, true);
1337 // And then append it to the target
1338 $target->documentElement->appendChild($item);
1341 if ($_GET["mode"] == "raw") {
1342 header("Content-type: text/html; charset=utf-8");
1344 echo substr($target->saveHTML(), 6, -8);
1350 $page = $this->page;
1351 $profile = $this->profile;
1353 header("X-Friendica-Version: " . FRIENDICA_VERSION);
1354 header("Content-type: text/html; charset=utf-8");
1356 if ($this->config->get('system', 'hsts') && ($this->config->get('system', 'ssl_policy') == BaseUrl::SSL_POLICY_FULL)) {
1357 header("Strict-Transport-Security: max-age=31536000");
1360 // Some security stuff
1361 header('X-Content-Type-Options: nosniff');
1362 header('X-XSS-Protection: 1; mode=block');
1363 header('X-Permitted-Cross-Domain-Policies: none');
1364 header('X-Frame-Options: sameorigin');
1366 // Things like embedded OSM maps don't work, when this is enabled
1367 // 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'");
1369 /* We use $_GET["mode"] for special page templates. So we will check if we have
1370 * to load another page template than the default one.
1371 * The page templates are located in /view/php/ or in the theme directory.
1373 if (isset($_GET["mode"])) {
1374 $template = Core\Theme::getPathForFile($_GET["mode"] . '.php');
1377 // If there is no page template use the default page template
1378 if (empty($template)) {
1379 $template = Core\Theme::getPathForFile("default.php");
1382 // Theme templates expect $a as an App instance
1385 // Used as is in view/php/default.php
1386 $lang = Core\L10n::getCurrentLang();
1388 /// @TODO Looks unsafe (remote-inclusion), is maybe not but Core\Theme::getPathForFile() uses file_exists() but does not escape anything
1389 require_once $template;
1393 * Redirects to another module relative to the current Friendica base.
1394 * If you want to redirect to a external URL, use System::externalRedirectTo()
1396 * @param string $toUrl The destination URL (Default is empty, which is the default page of the Friendica node)
1397 * @param bool $ssl if true, base URL will try to get called with https:// (works just for relative paths)
1399 * @throws InternalServerErrorException In Case the given URL is not relative to the Friendica node
1401 public function internalRedirect($toUrl = '', $ssl = false)
1403 if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
1404 throw new InternalServerErrorException("'$toUrl is not a relative path, please use System::externalRedirectTo");
1407 $redirectTo = $this->getBaseURL($ssl) . '/' . ltrim($toUrl, '/');
1408 Core\System::externalRedirect($redirectTo);
1412 * Automatically redirects to relative or absolute URL
1413 * Should only be used if it isn't clear if the URL is either internal or external
1415 * @param string $toUrl The target URL
1416 * @throws InternalServerErrorException
1418 public function redirect($toUrl)
1420 if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
1421 Core\System::externalRedirect($toUrl);
1423 $this->internalRedirect($toUrl);