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 * Returns the current config of this nodde
144 * @return Configuration
146 public function getConfig()
148 return $this->config;
152 * The basepath of this app
156 public function getBasePath()
158 return $this->config->get('system', 'basepath');
162 * The Logger of this app
164 * @return LoggerInterface
166 public function getLogger()
168 return $this->logger;
172 * The profiler of this app
176 public function getProfiler()
178 return $this->profiler;
182 * Returns the Mode of the Application
184 * @return App\Mode The Application Mode
186 public function getMode()
192 * Returns the router of the Application
196 public function getRouter()
198 return $this->router;
202 * Register a stylesheet file path to be included in the <head> tag of every page.
203 * Inclusion is done in App->initHead().
204 * The path can be absolute or relative to the Friendica installation base folder.
208 * @param string $path
210 public function registerStylesheet($path)
212 if (mb_strpos($path, $this->getBasePath() . DIRECTORY_SEPARATOR) === 0) {
213 $path = mb_substr($path, mb_strlen($this->getBasePath() . DIRECTORY_SEPARATOR));
216 $this->stylesheets[] = trim($path, '/');
220 * Register a javascript file path to be included in the <footer> tag of every page.
221 * Inclusion is done in App->initFooter().
222 * The path can be absolute or relative to the Friendica installation base folder.
226 * @param string $path
228 public function registerFooterScript($path)
230 $url = str_replace($this->getBasePath() . DIRECTORY_SEPARATOR, '', $path);
232 $this->footerScripts[] = trim($url, '/');
238 * @brief App constructor.
240 * @param Configuration $config The Configuration
241 * @param App\Mode $mode The mode of this Friendica app
242 * @param App\Router $router The router of this Friendica app
243 * @param BaseURL $baseURL The full base URL of this Friendica app
244 * @param LoggerInterface $logger The current app logger
245 * @param Profiler $profiler The profiler of this application
246 * @param bool $isBackend Whether it is used for backend or frontend (Default true=backend)
248 * @throws Exception if the Basepath is not usable
250 public function __construct(Configuration $config, App\Mode $mode, App\Router $router, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, $isBackend = true)
252 BaseObject::setApp($this);
254 $this->config = $config;
256 $this->router = $router;
257 $this->baseURL = $baseURL;
258 $this->profiler = $profiler;
259 $this->logger = $logger;
261 $this->checkFriendicaApp();
263 $this->profiler->reset();
269 // This has to be quite large to deal with embedded private photos
270 ini_set('pcre.backtrack_limit', 500000);
273 get_include_path() . PATH_SEPARATOR
274 . $this->getBasePath() . DIRECTORY_SEPARATOR . 'include' . PATH_SEPARATOR
275 . $this->getBasePath() . DIRECTORY_SEPARATOR . 'library' . PATH_SEPARATOR
276 . $this->getBasePath());
278 if (!empty($_SERVER['QUERY_STRING']) && strpos($_SERVER['QUERY_STRING'], 'pagename=') === 0) {
279 $this->query_string = substr($_SERVER['QUERY_STRING'], 9);
280 } elseif (!empty($_SERVER['QUERY_STRING']) && strpos($_SERVER['QUERY_STRING'], 'q=') === 0) {
281 $this->query_string = substr($_SERVER['QUERY_STRING'], 2);
284 // removing trailing / - maybe a nginx problem
285 $this->query_string = ltrim($this->query_string, '/');
287 if (!empty($_GET['pagename'])) {
288 $this->cmd = trim($_GET['pagename'], '/\\');
289 } elseif (!empty($_GET['q'])) {
290 $this->cmd = trim($_GET['q'], '/\\');
294 $this->query_string = str_replace($this->cmd . '&', $this->cmd . '?', $this->query_string);
296 // unix style "homedir"
297 if (substr($this->cmd, 0, 1) === '~') {
298 $this->cmd = 'profile/' . substr($this->cmd, 1);
301 // Diaspora style profile url
302 if (substr($this->cmd, 0, 2) === 'u/') {
303 $this->cmd = 'profile/' . substr($this->cmd, 2);
307 * Break the URL path into C style argc/argv style arguments for our
308 * modules. Given "http://example.com/module/arg1/arg2", $this->argc
309 * will be 3 (integer) and $this->argv will contain:
315 * There will always be one argument. If provided a naked domain
316 * URL, $this->argv[0] is set to "home".
319 $this->argv = explode('/', $this->cmd);
320 $this->argc = count($this->argv);
321 if ((array_key_exists('0', $this->argv)) && strlen($this->argv[0])) {
322 $this->module = str_replace('.', '_', $this->argv[0]);
323 $this->module = str_replace('-', '_', $this->module);
326 $this->argv = ['home'];
327 $this->module = 'home';
330 $this->isBackend = $isBackend || $this->checkBackend($this->module);
332 // Detect mobile devices
333 $mobile_detect = new MobileDetect();
335 $this->mobileDetect = $mobile_detect;
337 $this->is_mobile = $mobile_detect->isMobile();
338 $this->is_tablet = $mobile_detect->isTablet();
340 $this->isAjax = strtolower(defaults($_SERVER, 'HTTP_X_REQUESTED_WITH', '')) == 'xmlhttprequest';
342 // Register template engines
343 Core\Renderer::registerTemplateEngine('Friendica\Render\FriendicaSmartyEngine');
347 * Reloads the whole app instance
349 public function reload()
351 $this->getMode()->determine($this->getBasePath());
353 if ($this->getMode()->has(App\Mode::DBAVAILABLE)) {
354 $loader = new ConfigFileLoader($this->getBasePath(), $this->getMode());
355 $this->config->getCache()->load($loader->loadCoreConfig('addon'), true);
357 $this->profiler->update(
358 $this->config->get('system', 'profiler', false),
359 $this->config->get('rendertime', 'callstack', false));
361 Core\Hook::loadHooks();
362 $loader = new ConfigFileLoader($this->getBasePath(), $this->mode);
363 Core\Hook::callAll('load_config', $loader);
366 $this->loadDefaultTimezone();
372 * Loads the default timezone
374 * Include support for legacy $default_timezone
376 * @global string $default_timezone
378 private function loadDefaultTimezone()
380 if ($this->config->get('system', 'default_timezone')) {
381 $this->timezone = $this->config->get('system', 'default_timezone');
383 global $default_timezone;
384 $this->timezone = !empty($default_timezone) ? $default_timezone : 'UTC';
387 if ($this->timezone) {
388 date_default_timezone_set($this->timezone);
393 * Returns the scheme of the current call
396 * @deprecated 2019.06 - use BaseURL->getScheme() instead
398 public function getScheme()
400 return $this->baseURL->getScheme();
404 * Retrieves the Friendica instance base URL
406 * @param bool $ssl Whether to append http or https under BaseURL::SSL_POLICY_SELFSIGN
408 * @return string Friendica server base URL
410 * @deprecated 2019.06 - use BaseURL->get($ssl) instead
412 public function getBaseURL($ssl = false)
414 return $this->baseURL->get($ssl);
418 * @brief Initializes the baseurl components
420 * Clears the baseurl cache to prevent inconsistencies
424 * @deprecated 2019.06 - use BaseURL->saveByURL($url) instead
426 public function setBaseURL($url)
428 $this->baseURL->saveByURL($url);
432 * Returns the current hostname
436 * @deprecated 2019.06 - use BaseURL->getHostname() instead
438 public function getHostName()
440 return $this->baseURL->getHostname();
444 * Returns the sub-path of the full URL
448 * @deprecated 2019.06 - use BaseURL->getUrlPath() instead
450 public function getURLPath()
452 return $this->baseURL->getUrlPath();
456 * Initializes App->page['htmlhead'].
461 * - Registered stylesheets (through App->registerStylesheet())
462 * - Infinite scroll data
463 * - head.tpl template
465 public function initHead()
467 $interval = ((local_user()) ? Core\PConfig::get(local_user(), 'system', 'update_interval') : 40000);
469 // If the update is 'deactivated' set it to the highest integer number (~24 days)
471 $interval = 2147483647;
474 if ($interval < 10000) {
478 // Default title: current module called
479 if (empty($this->page['title']) && $this->module) {
480 $this->page['title'] = ucfirst($this->module);
483 // Prepend the sitename to the page title
484 $this->page['title'] = $this->config->get('config', 'sitename', '') . (!empty($this->page['title']) ? ' | ' . $this->page['title'] : '');
486 if (!empty(Core\Renderer::$theme['stylesheet'])) {
487 $stylesheet = Core\Renderer::$theme['stylesheet'];
489 $stylesheet = $this->getCurrentThemeStylesheetPath();
492 $this->registerStylesheet($stylesheet);
494 $shortcut_icon = $this->config->get('system', 'shortcut_icon');
495 if ($shortcut_icon == '') {
496 $shortcut_icon = 'images/friendica-32.png';
499 $touch_icon = $this->config->get('system', 'touch_icon');
500 if ($touch_icon == '') {
501 $touch_icon = 'images/friendica-128.png';
504 Core\Hook::callAll('head', $this->page['htmlhead']);
506 $tpl = Core\Renderer::getMarkupTemplate('head.tpl');
507 /* put the head template at the beginning of page['htmlhead']
508 * since the code added by the modules frequently depends on it
511 $this->page['htmlhead'] = Core\Renderer::replaceMacros($tpl, [
512 '$baseurl' => $this->getBaseURL(),
513 '$local_user' => local_user(),
514 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
515 '$delitem' => Core\L10n::t('Delete this item?'),
516 '$update_interval' => $interval,
517 '$shortcut_icon' => $shortcut_icon,
518 '$touch_icon' => $touch_icon,
519 '$block_public' => intval($this->config->get('system', 'block_public')),
520 '$stylesheets' => $this->stylesheets,
521 ]) . $this->page['htmlhead'];
525 * Initializes App->page['footer'].
528 * - Javascript homebase
529 * - Mobile toggle link
530 * - Registered footer scripts (through App->registerFooterScript())
531 * - footer.tpl template
533 public function initFooter()
535 // If you're just visiting, let javascript take you home
536 if (!empty($_SESSION['visitor_home'])) {
537 $homebase = $_SESSION['visitor_home'];
538 } elseif (local_user()) {
539 $homebase = 'profile/' . $this->user['nickname'];
542 if (isset($homebase)) {
543 $this->page['footer'] .= '<script>var homebase="' . $homebase . '";</script>' . "\n";
547 * Add a "toggle mobile" link if we're using a mobile device
549 if ($this->is_mobile || $this->is_tablet) {
550 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
551 $link = 'toggle_mobile?address=' . urlencode(curPageURL());
553 $link = 'toggle_mobile?off=1&address=' . urlencode(curPageURL());
555 $this->page['footer'] .= Core\Renderer::replaceMacros(Core\Renderer::getMarkupTemplate("toggle_mobile_footer.tpl"), [
556 '$toggle_link' => $link,
557 '$toggle_text' => Core\L10n::t('toggle mobile')
561 Core\Hook::callAll('footer', $this->page['footer']);
563 $tpl = Core\Renderer::getMarkupTemplate('footer.tpl');
564 $this->page['footer'] = Core\Renderer::replaceMacros($tpl, [
565 '$baseurl' => $this->getBaseURL(),
566 '$footerScripts' => $this->footerScripts,
567 ]) . $this->page['footer'];
571 * @brief Removes the base url from an url. This avoids some mixed content problems.
573 * @param string $origURL
575 * @return string The cleaned url
576 * @throws InternalServerErrorException
578 public function removeBaseURL($origURL)
580 // Remove the hostname from the url if it is an internal link
581 $nurl = Util\Strings::normaliseLink($origURL);
582 $base = Util\Strings::normaliseLink($this->getBaseURL());
583 $url = str_replace($base . '/', '', $nurl);
585 // if it is an external link return the orignal value
586 if ($url == Util\Strings::normaliseLink($origURL)) {
594 * Returns the current UserAgent as a String
596 * @return string the UserAgent as a String
597 * @throws InternalServerErrorException
599 public function getUserAgent()
602 FRIENDICA_PLATFORM . " '" .
603 FRIENDICA_CODENAME . "' " .
604 FRIENDICA_VERSION . '-' .
605 DB_UPDATE_VERSION . '; ' .
610 * Checks, if the call is from the Friendica App
613 * The friendica client has problems with the GUID in the notify. this is some workaround
615 private function checkFriendicaApp()
618 $this->isFriendicaApp = isset($_SERVER['HTTP_USER_AGENT']) && $_SERVER['HTTP_USER_AGENT'] == 'Apache-HttpClient/UNAVAILABLE (java 1.4)';
622 * Is the call via the Friendica app? (not a "normale" call)
624 * @return bool true if it's from the Friendica app
626 public function isFriendicaApp()
628 return $this->isFriendicaApp;
632 * @brief Checks if the site is called via a backend process
634 * This isn't a perfect solution. But we need this check very early.
635 * So we cannot wait until the modules are loaded.
637 * @param string $module
640 private function checkBackend($module) {
664 // Check if current module is in backend or backend flag is set
665 return in_array($module, $backends);
669 * Returns true, if the call is from a backend node (f.e. from a worker)
671 * @return bool Is it a known backend?
673 public function isBackend()
675 return $this->isBackend;
679 * @brief Checks if the maximum number of database processes is reached
681 * @return bool Is the limit reached?
683 public function isMaxProcessesReached()
685 // Deactivated, needs more investigating if this check really makes sense
689 * Commented out to suppress static analyzer issues
691 if ($this->is_backend()) {
692 $process = 'backend';
693 $max_processes = $this->config->get('system', 'max_processes_backend');
694 if (intval($max_processes) == 0) {
698 $process = 'frontend';
699 $max_processes = $this->config->get('system', 'max_processes_frontend');
700 if (intval($max_processes) == 0) {
705 $processlist = DBA::processlist();
706 if ($processlist['list'] != '') {
707 Core\Logger::log('Processcheck: Processes: ' . $processlist['amount'] . ' - Processlist: ' . $processlist['list'], Core\Logger::DEBUG);
709 if ($processlist['amount'] > $max_processes) {
710 Core\Logger::log('Processcheck: Maximum number of processes for ' . $process . ' tasks (' . $max_processes . ') reached.', Core\Logger::DEBUG);
719 * @brief Checks if the minimal memory is reached
721 * @return bool Is the memory limit reached?
722 * @throws InternalServerErrorException
724 public function isMinMemoryReached()
726 $min_memory = $this->config->get('system', 'min_memory', 0);
727 if ($min_memory == 0) {
731 if (!is_readable('/proc/meminfo')) {
735 $memdata = explode("\n", file_get_contents('/proc/meminfo'));
738 foreach ($memdata as $line) {
739 $data = explode(':', $line);
740 if (count($data) != 2) {
743 list($key, $val) = $data;
744 $meminfo[$key] = (int) trim(str_replace('kB', '', $val));
745 $meminfo[$key] = (int) ($meminfo[$key] / 1024);
748 if (!isset($meminfo['MemFree'])) {
752 $free = $meminfo['MemFree'];
754 $reached = ($free < $min_memory);
757 Core\Logger::log('Minimal memory reached: ' . $free . '/' . $meminfo['MemTotal'] . ' - limit ' . $min_memory, Core\Logger::DEBUG);
764 * @brief Checks if the maximum load is reached
766 * @return bool Is the load reached?
767 * @throws InternalServerErrorException
769 public function isMaxLoadReached()
771 if ($this->isBackend()) {
772 $process = 'backend';
773 $maxsysload = intval($this->config->get('system', 'maxloadavg'));
774 if ($maxsysload < 1) {
778 $process = 'frontend';
779 $maxsysload = intval($this->config->get('system', 'maxloadavg_frontend'));
780 if ($maxsysload < 1) {
785 $load = Core\System::currentLoad();
787 if (intval($load) > $maxsysload) {
788 Core\Logger::log('system: load ' . $load . ' for ' . $process . ' tasks (' . $maxsysload . ') too high.');
796 * Executes a child process with 'proc_open'
798 * @param string $command The command to execute
799 * @param array $args Arguments to pass to the command ( [ 'key' => value, 'key2' => value2, ... ]
800 * @throws InternalServerErrorException
802 public function proc_run($command, $args)
804 if (!function_exists('proc_open')) {
808 $cmdline = $this->config->get('config', 'php_path', 'php') . ' ' . escapeshellarg($command);
810 foreach ($args as $key => $value) {
811 if (!is_null($value) && is_bool($value) && !$value) {
815 $cmdline .= ' --' . $key;
816 if (!is_null($value) && !is_bool($value)) {
817 $cmdline .= ' ' . $value;
821 if ($this->isMinMemoryReached()) {
825 if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
826 $resource = proc_open('cmd /c start /b ' . $cmdline, [], $foo, $this->getBasePath());
828 $resource = proc_open($cmdline . ' &', [], $foo, $this->getBasePath());
830 if (!is_resource($resource)) {
831 Core\Logger::log('We got no resource for command ' . $cmdline, Core\Logger::DEBUG);
834 proc_close($resource);
838 * Generates the site's default sender email address
841 * @throws InternalServerErrorException
843 public function getSenderEmailAddress()
845 $sender_email = $this->config->get('config', 'sender_email');
846 if (empty($sender_email)) {
847 $hostname = $this->baseURL->getHostname();
848 if (strpos($hostname, ':')) {
849 $hostname = substr($hostname, 0, strpos($hostname, ':'));
852 $sender_email = 'noreply@' . $hostname;
855 return $sender_email;
859 * Returns the current theme name.
861 * @return string the name of the current theme
862 * @throws InternalServerErrorException
864 public function getCurrentTheme()
866 if ($this->getMode()->isInstall()) {
870 if (!$this->currentTheme) {
871 $this->computeCurrentTheme();
874 return $this->currentTheme;
877 public function setCurrentTheme($theme)
879 $this->currentTheme = $theme;
883 * Computes the current theme name based on the node settings, the user settings and the device type
887 private function computeCurrentTheme()
889 $system_theme = $this->config->get('system', 'theme');
890 if (!$system_theme) {
891 throw new Exception(Core\L10n::t('No system theme config value set.'));
895 $this->currentTheme = $system_theme;
898 // Find the theme that belongs to the user whose stuff we are looking at
899 if ($this->profile_uid && ($this->profile_uid != local_user())) {
900 // Allow folks to override user themes and always use their own on their own site.
901 // This works only if the user is on the same server
902 $user = DBA::selectFirst('user', ['theme'], ['uid' => $this->profile_uid]);
903 if (DBA::isResult($user) && !Core\PConfig::get(local_user(), 'system', 'always_my_theme')) {
904 $page_theme = $user['theme'];
908 $user_theme = Core\Session::get('theme', $system_theme);
910 // Specific mobile theme override
911 if (($this->is_mobile || $this->is_tablet) && Core\Session::get('show-mobile', true)) {
912 $system_mobile_theme = $this->config->get('system', 'mobile-theme');
913 $user_mobile_theme = Core\Session::get('mobile-theme', $system_mobile_theme);
915 // --- means same mobile theme as desktop
916 if (!empty($user_mobile_theme) && $user_mobile_theme !== '---') {
917 $user_theme = $user_mobile_theme;
922 $theme_name = $page_theme;
924 $theme_name = $user_theme;
927 $theme_name = Strings::sanitizeFilePathItem($theme_name);
929 && in_array($theme_name, Theme::getAllowedList())
930 && (file_exists('view/theme/' . $theme_name . '/style.css')
931 || file_exists('view/theme/' . $theme_name . '/style.php'))
933 $this->currentTheme = $theme_name;
938 * @brief Return full URL to theme which is currently in effect.
940 * Provide a sane default if nothing is chosen or the specified theme does not exist.
943 * @throws InternalServerErrorException
945 public function getCurrentThemeStylesheetPath()
947 return Core\Theme::getStylesheetPath($this->getCurrentTheme());
951 * Check if request was an AJAX (xmlhttprequest) request.
953 * @return boolean true if it was an AJAX request
955 public function isAjax()
957 return $this->isAjax;
961 * Returns the value of a argv key
962 * TODO there are a lot of $a->argv usages in combination with defaults() which can be replaced with this method
964 * @param int $position the position of the argument
965 * @param mixed $default the default value if not found
967 * @return mixed returns the value of the argument
969 public function getArgumentValue($position, $default = '')
971 if (array_key_exists($position, $this->argv)) {
972 return $this->argv[$position];
979 * Sets the base url for use in cmdline programs which don't have
982 public function checkURL()
984 $url = $this->config->get('system', 'url');
986 // if the url isn't set or the stored url is radically different
987 // than the currently visited url, store the current value accordingly.
988 // "Radically different" ignores common variations such as http vs https
989 // and www.example.com vs example.com.
990 // We will only change the url to an ip address if there is no existing setting
992 if (empty($url) || (!Util\Strings::compareLink($url, $this->getBaseURL())) && (!preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/", $this->baseURL->getHostname()))) {
993 $this->config->set('system', 'url', $this->getBaseURL());
998 * Frontend App script
1000 * The App object behaves like a container and a dispatcher at the same time, including a representation of the
1001 * request and a representation of the response.
1003 * This probably should change to limit the size of this monster method.
1005 public function runFrontend()
1007 // Missing DB connection: ERROR
1008 if ($this->getMode()->has(App\Mode::LOCALCONFIGPRESENT) && !$this->getMode()->has(App\Mode::DBAVAILABLE)) {
1009 Core\System::httpExit(500, ['title' => 'Error 500 - Internal Server Error', 'description' => 'Apologies but the website is unavailable at the moment.']);
1012 // Max Load Average reached: ERROR
1013 if ($this->isMaxProcessesReached() || $this->isMaxLoadReached()) {
1014 header('Retry-After: 120');
1015 header('Refresh: 120; url=' . $this->getBaseURL() . "/" . $this->query_string);
1017 Core\System::httpExit(503, ['title' => 'Error 503 - Service Temporarily Unavailable', 'description' => 'Core\System is currently overloaded. Please try again later.']);
1020 if (strstr($this->query_string, '.well-known/host-meta') && ($this->query_string != '.well-known/host-meta')) {
1021 Core\System::httpExit(404);
1024 if (!$this->getMode()->isInstall()) {
1025 // Force SSL redirection
1026 if ($this->baseURL->checkRedirectHttps()) {
1027 header('HTTP/1.1 302 Moved Temporarily');
1028 header('Location: ' . $this->getBaseURL() . '/' . $this->query_string);
1032 Core\Session::init();
1033 Core\Hook::callAll('init_1');
1036 // Exclude the backend processes from the session management
1037 if (!$this->isBackend()) {
1038 $stamp1 = microtime(true);
1040 $this->profiler->saveTimestamp($stamp1, 'parser', Core\System::callstack());
1041 Core\L10n::setSessionVariable();
1042 Core\L10n::setLangFromSession();
1045 Core\Worker::executeIfIdle();
1048 if ($this->getMode()->isNormal()) {
1049 $requester = HTTPSignature::getSigner('', $_SERVER);
1050 if (!empty($requester)) {
1051 Profile::addVisitorCookieForHandle($requester);
1056 if (!empty($_GET['zrl']) && $this->getMode()->isNormal()) {
1057 $this->query_string = Model\Profile::stripZrls($this->query_string);
1058 if (!local_user()) {
1059 // Only continue when the given profile link seems valid
1060 // Valid profile links contain a path with "/profile/" and no query parameters
1061 if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") &&
1062 strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
1063 if (defaults($_SESSION, "visitor_home", "") != $_GET["zrl"]) {
1064 $_SESSION['my_url'] = $_GET['zrl'];
1065 $_SESSION['authenticated'] = 0;
1067 Model\Profile::zrlInit($this);
1069 // Someone came with an invalid parameter, maybe as a DDoS attempt
1070 // We simply stop processing here
1071 Core\Logger::log("Invalid ZRL parameter " . $_GET['zrl'], Core\Logger::DEBUG);
1072 Core\System::httpExit(403, ['title' => '403 Forbidden']);
1077 if (!empty($_GET['owt']) && $this->getMode()->isNormal()) {
1078 $token = $_GET['owt'];
1079 $this->query_string = Model\Profile::stripQueryParam($this->query_string, 'owt');
1080 Model\Profile::openWebAuthInit($token);
1083 Module\Login::sessionAuth();
1085 if (empty($_SESSION['authenticated'])) {
1086 header('X-Account-Management-Status: none');
1089 $_SESSION['sysmsg'] = defaults($_SESSION, 'sysmsg' , []);
1090 $_SESSION['sysmsg_info'] = defaults($_SESSION, 'sysmsg_info' , []);
1091 $_SESSION['last_updated'] = defaults($_SESSION, 'last_updated', []);
1094 * check_config() is responsible for running update scripts. These automatically
1095 * update the DB schema whenever we push a new one out. It also checks to see if
1096 * any addons have been added or removed and reacts accordingly.
1099 // in install mode, any url loads install module
1100 // but we need "view" module for stylesheet
1101 if ($this->getMode()->isInstall() && $this->module != 'view') {
1102 $this->module = 'install';
1103 } elseif (!$this->getMode()->has(App\Mode::MAINTENANCEDISABLED) && $this->module != 'view') {
1104 $this->module = 'maintenance';
1107 Core\Update::check($this->getBasePath(), false, $this->getMode());
1108 Core\Addon::loadAddons();
1109 Core\Hook::loadHooks();
1120 'right_aside' => '',
1125 if (strlen($this->module)) {
1126 // Compatibility with the Android Diaspora client
1127 if ($this->module == 'stream') {
1128 $this->internalRedirect('network?f=&order=post');
1131 if ($this->module == 'conversations') {
1132 $this->internalRedirect('message');
1135 if ($this->module == 'commented') {
1136 $this->internalRedirect('network?f=&order=comment');
1139 if ($this->module == 'liked') {
1140 $this->internalRedirect('network?f=&order=comment');
1143 if ($this->module == 'activity') {
1144 $this->internalRedirect('network/?f=&conv=1');
1147 if (($this->module == 'status_messages') && ($this->cmd == 'status_messages/new')) {
1148 $this->internalRedirect('bookmarklet');
1151 if (($this->module == 'user') && ($this->cmd == 'user/edit')) {
1152 $this->internalRedirect('settings');
1155 if (($this->module == 'tag_followings') && ($this->cmd == 'tag_followings/manage')) {
1156 $this->internalRedirect('search');
1159 // Compatibility with the Firefox App
1160 if (($this->module == "users") && ($this->cmd == "users/sign_in")) {
1161 $this->module = "login";
1167 * From the request URL, routing consists of obtaining the name of a BaseModule-extending class of which the
1168 * post() and/or content() static methods can be respectively called to produce a data change or an output.
1171 // First we try explicit routes defined in App\Router
1172 $this->router->collectRoutes();
1174 $data = $this->router->getRouteCollector();
1175 Hook::callAll('route_collection', $data);
1177 $this->module_class = $this->router->getModuleClass($this->cmd);
1179 // Then we try addon-provided modules that we wrap in the LegacyModule class
1180 if (!$this->module_class && Core\Addon::isEnabled($this->module) && file_exists("addon/{$this->module}/{$this->module}.php")) {
1181 //Check if module is an app and if public access to apps is allowed or not
1182 $privateapps = $this->config->get('config', 'private_addons', false);
1183 if ((!local_user()) && Core\Hook::isAddonApp($this->module) && $privateapps) {
1184 info(Core\L10n::t("You must be logged in to use addons. "));
1186 include_once "addon/{$this->module}/{$this->module}.php";
1187 if (function_exists($this->module . '_module')) {
1188 LegacyModule::setModuleFile("addon/{$this->module}/{$this->module}.php");
1189 $this->module_class = 'Friendica\\LegacyModule';
1194 // Then we try name-matching a Friendica\Module class
1195 if (!$this->module_class && class_exists('Friendica\\Module\\' . ucfirst($this->module))) {
1196 $this->module_class = 'Friendica\\Module\\' . ucfirst($this->module);
1199 /* Finally, we look for a 'standard' program module in the 'mod' directory
1200 * We emulate a Module class through the LegacyModule class
1202 if (!$this->module_class && file_exists("mod/{$this->module}.php")) {
1203 LegacyModule::setModuleFile("mod/{$this->module}.php");
1204 $this->module_class = 'Friendica\\LegacyModule';
1207 /* The URL provided does not resolve to a valid module.
1209 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
1210 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
1211 * we are going to trap this and redirect back to the requested page. As long as you don't have a critical error on your page
1212 * this will often succeed and eventually do the right thing.
1214 * Otherwise we are going to emit a 404 not found.
1216 if (!$this->module_class) {
1217 // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
1218 if (!empty($_SERVER['QUERY_STRING']) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
1222 if (!empty($_SERVER['QUERY_STRING']) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
1223 Core\Logger::log('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
1224 $this->internalRedirect($_SERVER['REQUEST_URI']);
1227 Core\Logger::log('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], Core\Logger::DEBUG);
1229 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . Core\L10n::t('Not Found'));
1230 $tpl = Core\Renderer::getMarkupTemplate("404.tpl");
1231 $this->page['content'] = Core\Renderer::replaceMacros($tpl, [
1232 '$message' => Core\L10n::t('Page not found.')
1239 // Initialize module that can set the current theme in the init() method, either directly or via App->profile_uid
1240 if ($this->module_class) {
1241 $this->page['page_title'] = $this->module;
1244 Core\Hook::callAll($this->module . '_mod_init', $placeholder);
1246 call_user_func([$this->module_class, 'init']);
1248 // "rawContent" is especially meant for technical endpoints.
1249 // This endpoint doesn't need any theme initialization or other comparable stuff.
1250 if (!$this->error) {
1251 call_user_func([$this->module_class, 'rawContent']);
1255 // Load current theme info after module has been initialized as theme could have been set in module
1256 $theme_info_file = 'view/theme/' . $this->getCurrentTheme() . '/theme.php';
1257 if (file_exists($theme_info_file)) {
1258 require_once $theme_info_file;
1261 if (function_exists(str_replace('-', '_', $this->getCurrentTheme()) . '_init')) {
1262 $func = str_replace('-', '_', $this->getCurrentTheme()) . '_init';
1266 if ($this->module_class) {
1267 if (! $this->error && $_SERVER['REQUEST_METHOD'] === 'POST') {
1268 Core\Hook::callAll($this->module . '_mod_post', $_POST);
1269 call_user_func([$this->module_class, 'post']);
1272 if (! $this->error) {
1273 Core\Hook::callAll($this->module . '_mod_afterpost', $placeholder);
1274 call_user_func([$this->module_class, 'afterpost']);
1277 if (! $this->error) {
1278 $arr = ['content' => $content];
1279 Core\Hook::callAll($this->module . '_mod_content', $arr);
1280 $content = $arr['content'];
1281 $arr = ['content' => call_user_func([$this->module_class, 'content'])];
1282 Core\Hook::callAll($this->module . '_mod_aftercontent', $arr);
1283 $content .= $arr['content'];
1287 // initialise content region
1288 if ($this->getMode()->isNormal()) {
1289 Core\Hook::callAll('page_content_top', $this->page['content']);
1292 $this->page['content'] .= $content;
1294 /* Create the page head after setting the language
1295 * and getting any auth credentials.
1297 * Moved initHead() and initFooter() to after
1298 * all the module functions have executed so that all
1299 * theme choices made by the modules can take effect.
1303 /* Build the page ending -- this is stuff that goes right before
1304 * the closing </body> tag
1306 $this->initFooter();
1308 /* now that we've been through the module content, see if the page reported
1309 * a permission problem and if so, a 403 response would seem to be in order.
1311 if (stristr(implode("", $_SESSION['sysmsg']), Core\L10n::t('Permission denied'))) {
1312 header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . Core\L10n::t('Permission denied.'));
1315 if (!$this->isAjax()) {
1316 Core\Hook::callAll('page_end', $this->page['content']);
1319 // Add the navigation (menu) template
1320 if ($this->module != 'install' && $this->module != 'maintenance') {
1321 $this->page['htmlhead'] .= Core\Renderer::replaceMacros(Core\Renderer::getMarkupTemplate('nav_head.tpl'), []);
1322 $this->page['nav'] = Content\Nav::build($this);
1325 // Build the page - now that we have all the components
1326 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
1327 $doc = new DOMDocument();
1329 $target = new DOMDocument();
1330 $target->loadXML("<root></root>");
1332 $content = mb_convert_encoding($this->page["content"], 'HTML-ENTITIES', "UTF-8");
1334 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
1335 @$doc->loadHTML($content);
1337 $xpath = new DOMXPath($doc);
1339 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
1341 foreach ($list as $item) {
1342 $item = $target->importNode($item, true);
1344 // And then append it to the target
1345 $target->documentElement->appendChild($item);
1348 if ($_GET["mode"] == "raw") {
1349 header("Content-type: text/html; charset=utf-8");
1351 echo substr($target->saveHTML(), 6, -8);
1357 $page = $this->page;
1358 $profile = $this->profile;
1360 header("X-Friendica-Version: " . FRIENDICA_VERSION);
1361 header("Content-type: text/html; charset=utf-8");
1363 if ($this->config->get('system', 'hsts') && ($this->baseURL->getSSLPolicy() == BaseUrl::SSL_POLICY_FULL)) {
1364 header("Strict-Transport-Security: max-age=31536000");
1367 // Some security stuff
1368 header('X-Content-Type-Options: nosniff');
1369 header('X-XSS-Protection: 1; mode=block');
1370 header('X-Permitted-Cross-Domain-Policies: none');
1371 header('X-Frame-Options: sameorigin');
1373 // Things like embedded OSM maps don't work, when this is enabled
1374 // 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'");
1376 /* We use $_GET["mode"] for special page templates. So we will check if we have
1377 * to load another page template than the default one.
1378 * The page templates are located in /view/php/ or in the theme directory.
1380 if (isset($_GET["mode"])) {
1381 $template = Core\Theme::getPathForFile($_GET["mode"] . '.php');
1384 // If there is no page template use the default page template
1385 if (empty($template)) {
1386 $template = Core\Theme::getPathForFile("default.php");
1389 // Theme templates expect $a as an App instance
1392 // Used as is in view/php/default.php
1393 $lang = Core\L10n::getCurrentLang();
1395 /// @TODO Looks unsafe (remote-inclusion), is maybe not but Core\Theme::getPathForFile() uses file_exists() but does not escape anything
1396 require_once $template;
1400 * Redirects to another module relative to the current Friendica base.
1401 * If you want to redirect to a external URL, use System::externalRedirectTo()
1403 * @param string $toUrl The destination URL (Default is empty, which is the default page of the Friendica node)
1404 * @param bool $ssl if true, base URL will try to get called with https:// (works just for relative paths)
1406 * @throws InternalServerErrorException In Case the given URL is not relative to the Friendica node
1408 public function internalRedirect($toUrl = '', $ssl = false)
1410 if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
1411 throw new InternalServerErrorException("'$toUrl is not a relative path, please use System::externalRedirectTo");
1414 $redirectTo = $this->getBaseURL($ssl) . '/' . ltrim($toUrl, '/');
1415 Core\System::externalRedirect($redirectTo);
1419 * Automatically redirects to relative or absolute URL
1420 * Should only be used if it isn't clear if the URL is either internal or external
1422 * @param string $toUrl The target URL
1423 * @throws InternalServerErrorException
1425 public function redirect($toUrl)
1427 if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
1428 Core\System::externalRedirect($toUrl);
1430 $this->internalRedirect($toUrl);