Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
* @file src/App.php
*/
namespace Friendica;
use Detection\MobileDetect;
use DOMDocument;
use DOMXPath;
use Exception;
use Friendica\App\Arguments;
use Friendica\Core\Config\Cache\ConfigCache;
use Friendica\Core\Config\Configuration;
use Friendica\Core\Config\PConfiguration;
use Friendica\Core\L10n\L10n;
use Friendica\Core\System;
use Friendica\Core\Theme;
use Friendica\Database\Database;
use Friendica\Model\Profile;
use Friendica\Module\Login;
use Friendica\Module\Special\HTTPException as ModuleHTTPException;
use Friendica\Network\HTTPException;
use Friendica\Util\BaseURL;
use Friendica\Util\ConfigFileLoader;
use Friendica\Util\HTTPSignature;
use Friendica\Util\Profiler;
use Friendica\Util\Strings;
use Psr\Log\LoggerInterface;
/**
*
* class: App
*
* @brief Our main application structure for the life of this page.
*
* Primarily deals with the URL that got us here
* and tries to make some sense of it, and
* stores our page contents and config storage
* and anything else that might need to be passed around
* before we spit the page out.
*
*/
class App
{
/** @deprecated 2019.09 - use App\Arguments->getQueryString() */
public $query_string;
public $page;
public $profile;
public $profile_uid;
public $user;
public $cid;
public $contact;
public $contacts;
public $page_contact;
public $content;
public $data = [];
/** @deprecated 2019.09 - use App\Arguments->getCommand() */
public $cmd = '';
/** @deprecated 2019.09 - use App\Arguments->getArgv() or Arguments->get() */
public $argv;
/** @deprecated 2019.09 - use App\Arguments->getArgc() */
public $argc;
/** @deprecated 2019.09 - Use App\Module->getName() instead */
public $module;
public $timezone;
public $interactive = true;
public $identities;
public $is_mobile = false;
public $is_tablet = false;
public $theme_info = [];
public $category;
// Allow themes to control internal parameters
// by changing App values in theme.php
public $sourcename = '';
public $videowidth = 425;
public $videoheight = 350;
public $force_max_items = 0;
public $theme_events_in_profile = true;
public $stylesheets = [];
public $footerScripts = [];
/**
* @var App\Mode The Mode of the Application
*/
private $mode;
/**
* @var App\Router
*/
private $router;
/**
* @var BaseURL
*/
private $baseURL;
/**
* @var string The name of the current theme
*/
private $currentTheme;
/**
* @var bool check if request was an AJAX (xmlhttprequest) request
*/
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;
/**
* @var Database The Friendica database connection
*/
private $database;
/**
* @var L10n The translator
*/
private $l10n;
/**
* @var App\Arguments
*/
private $args;
/**
* Returns the current config cache of this node
*
* @return ConfigCache
*/
public function getConfigCache()
{
return $this->config->getCache();
}
/**
* Returns the current config of this node
*
* @return Configuration
*/
public function getConfig()
{
return $this->config;
}
/**
* The basepath of this app
*
* @return string
*/
public function getBasePath()
{
// Don't use the basepath of the config table for basepath (it should always be the config-file one)
return $this->config->getCache()->get('system', '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;
}
/**
* Returns the Mode of the Application
*
* @return App\Mode The Application Mode
*/
public function getMode()
{
return $this->mode;
}
/**
* Returns the Database of the Application
*
* @return Database
*/
public function getDBA()
{
return $this->database;
}
/**
* Register a stylesheet file path to be included in the <head> tag of every page.
* Inclusion is done in App->initHead().
* The path can be absolute or relative to the Friendica installation base folder.
*
* @param string $path
*
* @see initHead()
*
*/
public function registerStylesheet($path)
{
if (mb_strpos($path, $this->getBasePath() . DIRECTORY_SEPARATOR) === 0) {
$path = mb_substr($path, mb_strlen($this->getBasePath() . DIRECTORY_SEPARATOR));
}
$this->stylesheets[] = trim($path, '/');
}
/**
* Register a javascript file path to be included in the <footer> tag of every page.
* Inclusion is done in App->initFooter().
* The path can be absolute or relative to the Friendica installation base folder.
*
* @param string $path
*
* @see initFooter()
*
*/
public function registerFooterScript($path)
{
$url = str_replace($this->getBasePath() . DIRECTORY_SEPARATOR, '', $path);
$this->footerScripts[] = trim($url, '/');
}
public $queue;
/**
* @param Database $database The Friendica Database
* @param Configuration $config The Configuration
* @param App\Mode $mode The mode of this Friendica app
* @param App\Router $router The router of this Friendica app
* @param BaseURL $baseURL The full base URL of this Friendica app
* @param LoggerInterface $logger The current app logger
* @param Profiler $profiler The profiler of this application
* @param L10n $l10n The translator instance
* @param App\Arguments $args The Friendica Arguments of the call
* @param MobileDetect $mobileDetect A mobile detection class
*/
public function __construct(Database $database, Configuration $config, App\Mode $mode, App\Router $router, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, L10n $l10n, Arguments $args, MobileDetect $mobileDetect)
{
$this->database = $database;
$this->config = $config;
$this->mode = $mode;
$this->router = $router;
$this->baseURL = $baseURL;
$this->profiler = $profiler;
$this->logger = $logger;
$this->l10n = $l10n;
$this->args = $args;
$this->mobileDetect = $mobileDetect;
$this->cmd = $args->getCommand();
$this->argv = $args->getArgv();
$this->argc = $args->getArgc();
$this->query_string = $args->getQueryString();
$this->is_mobile = $mobileDetect->isMobile();
$this->is_tablet = $mobileDetect->isTablet();
$this->isAjax = strtolower(defaults($_SERVER, 'HTTP_X_REQUESTED_WITH', '')) == 'xmlhttprequest';
$this->page = [
'aside' => '',
'bottom' => '',
'content' => '',
'footer' => '',
'htmlhead' => '',
'nav' => '',
'page_title' => '',
'right_aside' => '',
'template' => '',
'title' => ''
];
$this->load();
}
/**
* Load the whole app instance
*/
public function load()
{
set_time_limit(0);
// This has to be quite large to deal with embedded private photos
ini_set('pcre.backtrack_limit', 500000);
set_include_path(
get_include_path() . PATH_SEPARATOR
. $this->getBasePath() . DIRECTORY_SEPARATOR . 'include' . PATH_SEPARATOR
. $this->getBasePath() . DIRECTORY_SEPARATOR . 'library' . PATH_SEPARATOR
. $this->getBasePath());
$this->profiler->reset();
if ($this->mode->has(App\Mode::DBAVAILABLE)) {
$this->profiler->update($this->config);
Core\Hook::loadHooks();
$loader = new ConfigFileLoader($this->getBasePath());
Core\Hook::callAll('load_config', $loader);
}
$this->loadDefaultTimezone();
// Register template engines
Core\Renderer::registerTemplateEngine('Friendica\Render\FriendicaSmartyEngine');
}
/**
* Loads the default timezone
*
* Include support for legacy $default_timezone
*
* @global string $default_timezone
*/
private function loadDefaultTimezone()
{
if ($this->config->get('system', 'default_timezone')) {
$this->timezone = $this->config->get('system', 'default_timezone');
} else {
global $default_timezone;
$this->timezone = !empty($default_timezone) ? $default_timezone : 'UTC';
}
if ($this->timezone) {
date_default_timezone_set($this->timezone);
}
}
/**
* Returns the scheme of the current call
*
* @return string
*
* @deprecated 2019.06 - use BaseURL->getScheme() instead
*/
public function getScheme()
{
return $this->baseURL->getScheme();
}
/**
* Retrieves the Friendica instance base URL
*
* @param bool $ssl Whether to append http or https under BaseURL::SSL_POLICY_SELFSIGN
*
* @return string Friendica server base URL
*
* @deprecated 2019.09 - use BaseUrl->get($ssl) instead
*/
public function getBaseURL($ssl = false)
{
return $this->baseURL->get($ssl);
}
/**
* @brief Initializes the baseurl components
*
* Clears the baseurl cache to prevent inconsistencies
*
* @param string $url
*
* @deprecated 2019.06 - use BaseURL->saveByURL($url) instead
*/
public function setBaseURL($url)
{
$this->baseURL->saveByURL($url);
}
/**
* Returns the current hostname
*
* @return string
*
* @deprecated 2019.06 - use BaseURL->getHostname() instead
*/
public function getHostName()
{
return $this->baseURL->getHostname();
}
/**
* Returns the sub-path of the full URL
*
* @return string
*
* @deprecated 2019.06 - use BaseURL->getUrlPath() instead
*/
public function getURLPath()
{
return $this->baseURL->getUrlPath();
}
/**
* Initializes App->page['htmlhead'].
*
* Includes:
* - Page title
* - Favicons
* - Registered stylesheets (through App->registerStylesheet())
* - Infinite scroll data
* - head.tpl template
*/
private function initHead(App\Module $module, PConfiguration $pconfig)
{
$interval = ((local_user()) ? $pconfig->get(local_user(), 'system', 'update_interval') : 40000);
// If the update is 'deactivated' set it to the highest integer number (~24 days)
if ($interval < 0) {
$interval = 2147483647;
}
if ($interval < 10000) {
$interval = 40000;
}
// Default title: current module called
if (empty($this->page['title']) && $module->getName()) {
$this->page['title'] = ucfirst($module->getName());
}
// Prepend the sitename to the page title
$this->page['title'] = $this->config->get('config', 'sitename', '') . (!empty($this->page['title']) ? ' | ' . $this->page['title'] : '');
if (!empty(Core\Renderer::$theme['stylesheet'])) {
$stylesheet = Core\Renderer::$theme['stylesheet'];
} else {
$stylesheet = $this->getCurrentThemeStylesheetPath();
}
$this->registerStylesheet($stylesheet);
$shortcut_icon = $this->config->get('system', 'shortcut_icon');
if ($shortcut_icon == '') {
$shortcut_icon = 'images/friendica-32.png';
}
$touch_icon = $this->config->get('system', 'touch_icon');
if ($touch_icon == '') {
$touch_icon = 'images/friendica-128.png';
}
Core\Hook::callAll('head', $this->page['htmlhead']);
$tpl = Core\Renderer::getMarkupTemplate('head.tpl');
/* put the head template at the beginning of page['htmlhead']
* since the code added by the modules frequently depends on it
* being first
*/
$this->page['htmlhead'] = Core\Renderer::replaceMacros($tpl, [
'$local_user' => local_user(),
'$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
'$delitem' => $this->l10n->t('Delete this item?'),
'$update_interval' => $interval,
'$shortcut_icon' => $shortcut_icon,
'$touch_icon' => $touch_icon,
'$block_public' => intval($this->config->get('system', 'block_public')),
'$stylesheets' => $this->stylesheets,
]) . $this->page['htmlhead'];
}
/**
* Initializes App->page['footer'].
*
* Includes:
* - Javascript homebase
* - Mobile toggle link
* - Registered footer scripts (through App->registerFooterScript())
* - footer.tpl template
*/
private function initFooter()
{
// If you're just visiting, let javascript take you home
if (!empty($_SESSION['visitor_home'])) {
$homebase = $_SESSION['visitor_home'];
} elseif (local_user()) {
$homebase = 'profile/' . $this->user['nickname'];
}
if (isset($homebase)) {
$this->page['footer'] .= '<script>var homebase="' . $homebase . '";</script>' . "\n";
}
/*
* Add a "toggle mobile" link if we're using a mobile device
*/
if ($this->is_mobile || $this->is_tablet) {
if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
$link = 'toggle_mobile?address=' . urlencode(curPageURL());
} else {
$link = 'toggle_mobile?off=1&address=' . urlencode(curPageURL());
}
$this->page['footer'] .= Core\Renderer::replaceMacros(Core\Renderer::getMarkupTemplate("toggle_mobile_footer.tpl"), [
'$toggle_link' => $link,
'$toggle_text' => $this->l10n->t('toggle mobile')
]);
}
Core\Hook::callAll('footer', $this->page['footer']);
$tpl = Core\Renderer::getMarkupTemplate('footer.tpl');
$this->page['footer'] = Core\Renderer::replaceMacros($tpl, [
'$footerScripts' => $this->footerScripts,
]) . $this->page['footer'];
}
/**
* @brief Removes the base url from an url. This avoids some mixed content problems.
*
* @param string $origURL
*
* @return string The cleaned url
* @throws HTTPException\InternalServerErrorException
*/
public function removeBaseURL($origURL)
{
// Remove the hostname from the url if it is an internal link
$nurl = Util\Strings::normaliseLink($origURL);
$base = Util\Strings::normaliseLink($this->getBaseURL());
$url = str_replace($base . '/', '', $nurl);
// if it is an external link return the orignal value
if ($url == Util\Strings::normaliseLink($origURL)) {
return $origURL;
} else {
return $url;
}
}
/**
* Returns the current UserAgent as a String
*
* @return string the UserAgent as a String
* @throws HTTPException\InternalServerErrorException
*/
public function getUserAgent()
{
return
FRIENDICA_PLATFORM . " '" .
FRIENDICA_CODENAME . "' " .
FRIENDICA_VERSION . '-' .
DB_UPDATE_VERSION . '; ' .
$this->getBaseURL();
}
/**
* Returns true, if the call is from a backend node (f.e. from a worker)
*
* @return bool Is it a known backend?
*
* @deprecated 2019.09 - use App\Mode->isBackend() instead
* @see App\Mode::isBackend()
* Use BaseObject::getClass(App\Mode::class) to get the global instance of Mode
*/
public function isBackend()
{
return $this->mode->isBackend();
}
/**
* @brief Checks if the maximum number of database processes is reached
*
* @return bool Is the limit reached?
*/
public function isMaxProcessesReached()
{
// Deactivated, needs more investigating if this check really makes sense
return false;
/*
* Commented out to suppress static analyzer issues
*
if ($this->is_backend()) {
$process = 'backend';
$max_processes = $this->config->get('system', 'max_processes_backend');
if (intval($max_processes) == 0) {
$max_processes = 5;
}
} else {
$process = 'frontend';
$max_processes = $this->config->get('system', 'max_processes_frontend');
if (intval($max_processes) == 0) {
$max_processes = 20;
}
}
$processlist = DBA::processlist();
if ($processlist['list'] != '') {
$this->logger->debug('Processcheck: Processes: ' . $processlist['amount'] . ' - Processlist: ' . $processlist['list']);
if ($processlist['amount'] > $max_processes) {
$this->logger->debug('Processcheck: Maximum number of processes for ' . $process . ' tasks (' . $max_processes . ') reached.');
return true;
}
}
return false;
*/
}
/**
* @brief Checks if the minimal memory is reached
*
* @return bool Is the memory limit reached?
* @throws HTTPException\InternalServerErrorException
*/
public function isMinMemoryReached()
{
$min_memory = $this->config->get('system', 'min_memory', 0);
if ($min_memory == 0) {
return false;
}
if (!is_readable('/proc/meminfo')) {
return false;
}
$memdata = explode("\n", file_get_contents('/proc/meminfo'));
$meminfo = [];
foreach ($memdata as $line) {
$data = explode(':', $line);
if (count($data) != 2) {
continue;
}
list($key, $val) = $data;
$meminfo[$key] = (int)trim(str_replace('kB', '', $val));
$meminfo[$key] = (int)($meminfo[$key] / 1024);
}
if (!isset($meminfo['MemFree'])) {
return false;
}
$free = $meminfo['MemFree'];
$reached = ($free < $min_memory);
if ($reached) {
$this->logger->debug('Minimal memory reached.', ['free' => $free, 'memtotal' => $meminfo['MemTotal'], 'limit' => $min_memory]);
}
return $reached;
}
/**
* @brief Checks if the maximum load is reached
*
* @return bool Is the load reached?
* @throws HTTPException\InternalServerErrorException
*/
public function isMaxLoadReached()
{
if ($this->mode->isBackend()) {
$process = 'backend';
$maxsysload = intval($this->config->get('system', 'maxloadavg'));
if ($maxsysload < 1) {
$maxsysload = 50;
}
} else {
$process = 'frontend';
$maxsysload = intval($this->config->get('system', 'maxloadavg_frontend'));
if ($maxsysload < 1) {
$maxsysload = 50;
}
}
$load = Core\System::currentLoad();
if ($load) {
if (intval($load) > $maxsysload) {
$this->logger->info('system load for process too high.', ['load' => $load, 'process' => $process, 'maxsysload' => $maxsysload]);
return true;
}
}
return false;
}
/**
* Executes a child process with 'proc_open'
*
* @param string $command The command to execute
* @param array $args Arguments to pass to the command ( [ 'key' => value, 'key2' => value2, ... ]
*
* @throws HTTPException\InternalServerErrorException
*/
public function proc_run($command, $args)
{
if (!function_exists('proc_open')) {
return;
}
$cmdline = $this->config->get('config', 'php_path', 'php') . ' ' . escapeshellarg($command);
foreach ($args as $key => $value) {
if (!is_null($value) && is_bool($value) && !$value) {
continue;
}
$cmdline .= ' --' . $key;
if (!is_null($value) && !is_bool($value)) {
$cmdline .= ' ' . $value;
}
}
if ($this->isMinMemoryReached()) {
return;
}
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
$resource = proc_open('cmd /c start /b ' . $cmdline, [], $foo, $this->getBasePath());
} else {
$resource = proc_open($cmdline . ' &', [], $foo, $this->getBasePath());
}
if (!is_resource($resource)) {
$this->logger->debug('We got no resource for command.', ['cmd' => $cmdline]);
return;
}
proc_close($resource);
}
/**
* Generates the site's default sender email address
*
* @return string
* @throws HTTPException\InternalServerErrorException
*/
public function getSenderEmailAddress()
{
$sender_email = $this->config->get('config', 'sender_email');
if (empty($sender_email)) {
$hostname = $this->baseURL->getHostname();
if (strpos($hostname, ':')) {
$hostname = substr($hostname, 0, strpos($hostname, ':'));
}
$sender_email = 'noreply@' . $hostname;
}
return $sender_email;
}
/**
* Returns the current theme name.
*
* @return string the name of the current theme
* @throws HTTPException\InternalServerErrorException
*/
public function getCurrentTheme()
{
if ($this->mode->isInstall()) {
return '';
}
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
*
* @throws Exception
*/
private function computeCurrentTheme()
{
$system_theme = $this->config->get('system', 'theme');
if (!$system_theme) {
throw new Exception($this->l10n->t('No system theme config value set.'));
}
// Sane default
$this->currentTheme = $system_theme;
$page_theme = null;
// Find the theme that belongs to the user whose stuff we are looking at
if ($this->profile_uid && ($this->profile_uid != local_user())) {
// Allow folks to override user themes and always use their own on their own site.
// This works only if the user is on the same server
$user = $this->database->selectFirst('user', ['theme'], ['uid' => $this->profile_uid]);
if ($this->database->isResult($user) && !Core\PConfig::get(local_user(), 'system', 'always_my_theme')) {
$page_theme = $user['theme'];
}
}
$user_theme = Core\Session::get('theme', $system_theme);
// Specific mobile theme override
if (($this->is_mobile || $this->is_tablet) && Core\Session::get('show-mobile', true)) {
$system_mobile_theme = $this->config->get('system', 'mobile-theme');
$user_mobile_theme = Core\Session::get('mobile-theme', $system_mobile_theme);
// --- means same mobile theme as desktop
if (!empty($user_mobile_theme) && $user_mobile_theme !== '---') {
$user_theme = $user_mobile_theme;
}
}
if ($page_theme) {
$theme_name = $page_theme;
} else {
$theme_name = $user_theme;
}
$theme_name = Strings::sanitizeFilePathItem($theme_name);
if ($theme_name
&& in_array($theme_name, Theme::getAllowedList())
&& (file_exists('view/theme/' . $theme_name . '/style.css')
|| file_exists('view/theme/' . $theme_name . '/style.php'))
) {
$this->currentTheme = $theme_name;
}
}
/**
* @brief Return full URL to theme which is currently in effect.
*
* Provide a sane default if nothing is chosen or the specified theme does not exist.
*
* @return string
* @throws HTTPException\InternalServerErrorException
*/
public function getCurrentThemeStylesheetPath()
{
return Core\Theme::getStylesheetPath($this->getCurrentTheme());
}
/**
* Check if request was an AJAX (xmlhttprequest) request.
*
* @return boolean true if it was an AJAX request
*/
public function isAjax()
{
return $this->isAjax;
}
/**
* @deprecated use Arguments->get() instead
*
* @see App\Arguments
*/
public function getArgumentValue($position, $default = '')
{
return $this->args->get($position, $default);
}
/**
* Sets the base url for use in cmdline programs which don't have
* $_SERVER variables
*/
public function checkURL()
{
$url = $this->config->get('system', 'url');
// if the url isn't set or the stored url is radically different
// than the currently visited url, store the current value accordingly.
// "Radically different" ignores common variations such as http vs https
// and www.example.com vs example.com.
// We will only change the url to an ip address if there is no existing setting
if (empty($url) || (!Util\Strings::compareLink($url, $this->getBaseURL())) && (!preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/", $this->baseURL->getHostname()))) {
$this->config->set('system', 'url', $this->getBaseURL());
}
}
/**
* Frontend App script
*
* The App object behaves like a container and a dispatcher at the same time, including a representation of the
* request and a representation of the response.
*
* This probably should change to limit the size of this monster method.
*
* @param App\Module $module The determined module
*/
public function runFrontend(App\Module $module, App\Router $router, PConfiguration $pconfig)
{
$moduleName = $module->getName();
try {
// Missing DB connection: ERROR
if ($this->mode->has(App\Mode::LOCALCONFIGPRESENT) && !$this->mode->has(App\Mode::DBAVAILABLE)) {
throw new HTTPException\InternalServerErrorException('Apologies but the website is unavailable at the moment.');
}
// Max Load Average reached: ERROR
if ($this->isMaxProcessesReached() || $this->isMaxLoadReached()) {
header('Retry-After: 120');
header('Refresh: 120; url=' . $this->baseURL->get() . "/" . $this->args->getQueryString());
throw new HTTPException\ServiceUnavailableException('The node is currently overloaded. Please try again later.');
}
if (!$this->mode->isInstall()) {
// Force SSL redirection
if ($this->baseURL->checkRedirectHttps()) {
System::externalRedirect($this->baseURL->get() . '/' . $this->args->getQueryString());
}
Core\Session::init();
Core\Hook::callAll('init_1');
}
// Exclude the backend processes from the session management
if (!$this->mode->isBackend()) {
$stamp1 = microtime(true);
session_start();
$this->profiler->saveTimestamp($stamp1, 'parser', Core\System::callstack());
$this->l10n->setSessionVariable();
$this->l10n->setLangFromSession();
} else {
$_SESSION = [];
Core\Worker::executeIfIdle();
}
if ($this->mode->isNormal()) {
$requester = HTTPSignature::getSigner('', $_SERVER);
if (!empty($requester)) {
Profile::addVisitorCookieForHandle($requester);
}
}
// ZRL
if (!empty($_GET['zrl']) && $this->mode->isNormal()) {
if (!local_user()) {
// Only continue when the given profile link seems valid
// Valid profile links contain a path with "/profile/" and no query parameters
if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") &&
strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
if (Core\Session::get('visitor_home') != $_GET["zrl"]) {
Core\Session::set('my_url', $_GET['zrl']);
Core\Session::set('authenticated', 0);
}
Model\Profile::zrlInit($this);
} else {
// Someone came with an invalid parameter, maybe as a DDoS attempt
// We simply stop processing here
$this->logger->debug('Invalid ZRL parameter.', ['zrl' => $_GET['zrl']]);
throw new HTTPException\ForbiddenException();
}
}
}
if (!empty($_GET['owt']) && $this->mode->isNormal()) {
$token = $_GET['owt'];
Model\Profile::openWebAuthInit($token);
}
Login::sessionAuth();
if (empty($_SESSION['authenticated'])) {
header('X-Account-Management-Status: none');
}
$_SESSION['sysmsg'] = Core\Session::get('sysmsg', []);
$_SESSION['sysmsg_info'] = Core\Session::get('sysmsg_info', []);
$_SESSION['last_updated'] = Core\Session::get('last_updated', []);
/*
* check_config() is responsible for running update scripts. These automatically
* update the DB schema whenever we push a new one out. It also checks to see if
* any addons have been added or removed and reacts accordingly.
*/
// in install mode, any url loads install module
// but we need "view" module for stylesheet
if ($this->mode->isInstall() && $moduleName !== 'install') {
$this->internalRedirect('install');
} elseif (!$this->mode->isInstall() && !$this->mode->has(App\Mode::MAINTENANCEDISABLED) && $moduleName !== 'maintenance') {
$this->internalRedirect('maintenance');
} else {
$this->checkURL();
Core\Update::check($this->getBasePath(), false, $this->mode);
Core\Addon::loadAddons();
Core\Hook::loadHooks();
}
// Compatibility with the Android Diaspora client
if ($moduleName == 'stream') {
$this->internalRedirect('network?order=post');
}
if ($moduleName == 'conversations') {
$this->internalRedirect('message');
}
if ($moduleName == 'commented') {
$this->internalRedirect('network?order=comment');
}
if ($moduleName == 'liked') {
$this->internalRedirect('network?order=comment');
}
if ($moduleName == 'activity') {
$this->internalRedirect('network?conv=1');
}
if (($moduleName == 'status_messages') && ($this->args->getCommand() == 'status_messages/new')) {
$this->internalRedirect('bookmarklet');
}
if (($moduleName == 'user') && ($this->args->getCommand() == 'user/edit')) {
$this->internalRedirect('settings');
}
if (($moduleName == 'tag_followings') && ($this->args->getCommand() == 'tag_followings/manage')) {
$this->internalRedirect('search');
}
// Initialize module that can set the current theme in the init() method, either directly or via App->profile_uid
$this->page['page_title'] = $moduleName;
// determine the module class and save it to the module instance
// @todo there's an implicit dependency due SESSION::start(), so it has to be called here (yet)
$module = $module->determineClass($this->args, $router, $this->config);
// Let the module run it's internal process (init, get, post, ...)
$module->run($this->l10n, $this, $this->logger, $this->getCurrentTheme(), $_SERVER, $_POST);
} catch (HTTPException $e) {
ModuleHTTPException::rawContent($e);
}
$content = '';
try {
$moduleClass = $module->getClassName();
$arr = ['content' => $content];
Core\Hook::callAll($moduleClass . '_mod_content', $arr);
$content = $arr['content'];
$arr = ['content' => call_user_func([$moduleClass, 'content'])];
Core\Hook::callAll($moduleClass . '_mod_aftercontent', $arr);
$content .= $arr['content'];
} catch (HTTPException $e) {
$content = ModuleHTTPException::content($e);
}
// initialise content region
if ($this->mode->isNormal()) {
Core\Hook::callAll('page_content_top', $this->page['content']);
}
$this->page['content'] .= $content;
/* Create the page head after setting the language
* and getting any auth credentials.
*
* Moved initHead() and initFooter() to after
* all the module functions have executed so that all
* theme choices made by the modules can take effect.
*/
$this->initHead($module, $pconfig);
/* Build the page ending -- this is stuff that goes right before
* the closing </body> tag
*/
$this->initFooter();
if (!$this->isAjax()) {
Core\Hook::callAll('page_end', $this->page['content']);
}
// Add the navigation (menu) template
if ($moduleName != 'install' && $moduleName != 'maintenance') {
$this->page['htmlhead'] .= Core\Renderer::replaceMacros(Core\Renderer::getMarkupTemplate('nav_head.tpl'), []);
$this->page['nav'] = Content\Nav::build($this);
}
// Build the page - now that we have all the components
if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
$doc = new DOMDocument();
$target = new DOMDocument();
$target->loadXML("<root></root>");
$content = mb_convert_encoding($this->page["content"], 'HTML-ENTITIES', "UTF-8");
/// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
@$doc->loadHTML($content);
$xpath = new DOMXPath($doc);
$list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
foreach ($list as $item) {
$item = $target->importNode($item, true);
// And then append it to the target
$target->documentElement->appendChild($item);
}
if ($_GET["mode"] == "raw") {
header("Content-type: text/html; charset=utf-8");
echo substr($target->saveHTML(), 6, -8);
exit();
}
}
$page = $this->page;
$profile = $this->profile;
header("X-Friendica-Version: " . FRIENDICA_VERSION);
header("Content-type: text/html; charset=utf-8");
if ($this->config->get('system', 'hsts') && ($this->baseURL->getSSLPolicy() == BaseUrl::SSL_POLICY_FULL)) {
header("Strict-Transport-Security: max-age=31536000");
}
// Some security stuff
header('X-Content-Type-Options: nosniff');
header('X-XSS-Protection: 1; mode=block');
header('X-Permitted-Cross-Domain-Policies: none');
header('X-Frame-Options: sameorigin');
// Things like embedded OSM maps don't work, when this is enabled
// header("Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; connect-src 'self'; style-src 'self' 'unsafe-inline'; font-src 'self'; img-src 'self' https: data:; media-src 'self' https:; child-src 'self' https:; object-src 'none'");
/* We use $_GET["mode"] for special page templates. So we will check if we have
* to load another page template than the default one.
* The page templates are located in /view/php/ or in the theme directory.
*/
if (isset($_GET["mode"])) {
$template = Core\Theme::getPathForFile($_GET["mode"] . '.php');
}
// If there is no page template use the default page template
if (empty($template)) {
$template = Core\Theme::getPathForFile("default.php");
}
// Theme templates expect $a as an App instance
$a = $this;
// Used as is in view/php/default.php
$lang = $this->l10n->getCurrentLang();
/// @TODO Looks unsafe (remote-inclusion), is maybe not but Core\Theme::getPathForFile() uses file_exists() but does not escape anything
require_once $template;
}
/**
* Redirects to another module relative to the current Friendica base.
* If you want to redirect to a external URL, use System::externalRedirectTo()
*
* @param string $toUrl The destination URL (Default is empty, which is the default page of the Friendica node)
* @param bool $ssl if true, base URL will try to get called with https:// (works just for relative paths)
*
* @throws HTTPException\InternalServerErrorException In Case the given URL is not relative to the Friendica node
*/
public function internalRedirect($toUrl = '', $ssl = false)
{
if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
throw new HTTPException\InternalServerErrorException("'$toUrl is not a relative path, please use System::externalRedirectTo");
}
$redirectTo = $this->baseURL->get($ssl) . '/' . ltrim($toUrl, '/');
Core\System::externalRedirect($redirectTo);
}
/**
* Automatically redirects to relative or absolute URL
* Should only be used if it isn't clear if the URL is either internal or external
*
* @param string $toUrl The target URL
*
* @throws HTTPException\InternalServerErrorException
*/
public function redirect($toUrl)
{
if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
Core\System::externalRedirect($toUrl);
} else {
$this->internalRedirect($toUrl);
}
}
}