nextcloud / server

lib/private/AppFramework/Http/Request.php

Indentation +871 added lines, -871 removed lines

@@ -63,875 +63,875 @@
  * @property mixed[] server
  */
 class Request implements \ArrayAccess, \Countable, IRequest {
-	public const USER_AGENT_IE = '/(MSIE)|(Trident)/';
-	// Microsoft Edge User Agent from https://msdn.microsoft.com/en-us/library/hh869301(v=vs.85).aspx
-	public const USER_AGENT_MS_EDGE = '/^Mozilla\/5\.0 \([^)]+\) AppleWebKit\/[0-9.]+ \(KHTML, like Gecko\) Chrome\/[0-9.]+ (Mobile Safari|Safari)\/[0-9.]+ Edge\/[0-9.]+$/';
-	// Firefox User Agent from https://developer.mozilla.org/en-US/docs/Web/HTTP/Gecko_user_agent_string_reference
-	public const USER_AGENT_FIREFOX = '/^Mozilla\/5\.0 \([^)]+\) Gecko\/[0-9.]+ Firefox\/[0-9.]+$/';
-	// Chrome User Agent from https://developer.chrome.com/multidevice/user-agent
-	public const USER_AGENT_CHROME = '/^Mozilla\/5\.0 \([^)]+\) AppleWebKit\/[0-9.]+ \(KHTML, like Gecko\)( Ubuntu Chromium\/[0-9.]+|) Chrome\/[0-9.]+ (Mobile Safari|Safari)\/[0-9.]+( (Vivaldi|Brave|OPR)\/[0-9.]+|)$/';
-	// Safari User Agent from http://www.useragentstring.com/pages/Safari/
-	public const USER_AGENT_SAFARI = '/^Mozilla\/5\.0 \([^)]+\) AppleWebKit\/[0-9.]+ \(KHTML, like Gecko\) Version\/[0-9.]+ Safari\/[0-9.A-Z]+$/';
-	// Android Chrome user agent: https://developers.google.com/chrome/mobile/docs/user-agent
-	public const USER_AGENT_ANDROID_MOBILE_CHROME = '#Android.*Chrome/[.0-9]*#';
-	public const USER_AGENT_FREEBOX = '#^Mozilla/5\.0$#';
-	public const REGEX_LOCALHOST = '/^(127\.0\.0\.1|localhost|::1)$/';
-
-	/**
-	 * @deprecated use \OCP\IRequest::USER_AGENT_CLIENT_IOS instead
-	 */
-	public const USER_AGENT_OWNCLOUD_IOS = '/^Mozilla\/5\.0 \(iOS\) (ownCloud|Nextcloud)\-iOS.*$/';
-	/**
-	 * @deprecated use \OCP\IRequest::USER_AGENT_CLIENT_ANDROID instead
-	 */
-	public const USER_AGENT_OWNCLOUD_ANDROID = '/^Mozilla\/5\.0 \(Android\) ownCloud\-android.*$/';
-	/**
-	 * @deprecated use \OCP\IRequest::USER_AGENT_CLIENT_DESKTOP instead
-	 */
-	public const USER_AGENT_OWNCLOUD_DESKTOP = '/^Mozilla\/5\.0 \([A-Za-z ]+\) (mirall|csyncoC)\/.*$/';
-
-	protected $inputStream;
-	protected $content;
-	protected $items = [];
-	protected $allowedKeys = [
-		'get',
-		'post',
-		'files',
-		'server',
-		'env',
-		'cookies',
-		'urlParams',
-		'parameters',
-		'method',
-		'requesttoken',
-	];
-	/** @var ISecureRandom */
-	protected $secureRandom;
-	/** @var IConfig */
-	protected $config;
-	/** @var string */
-	protected $requestId = '';
-	/** @var ICrypto */
-	protected $crypto;
-	/** @var CsrfTokenManager|null */
-	protected $csrfTokenManager;
-
-	/** @var bool */
-	protected $contentDecoded = false;
-
-	/**
-	 * @param array $vars An associative array with the following optional values:
-	 *        - array 'urlParams' the parameters which were matched from the URL
-	 *        - array 'get' the $_GET array
-	 *        - array|string 'post' the $_POST array or JSON string
-	 *        - array 'files' the $_FILES array
-	 *        - array 'server' the $_SERVER array
-	 *        - array 'env' the $_ENV array
-	 *        - array 'cookies' the $_COOKIE array
-	 *        - string 'method' the request method (GET, POST etc)
-	 *        - string|false 'requesttoken' the requesttoken or false when not available
-	 * @param ISecureRandom $secureRandom
-	 * @param IConfig $config
-	 * @param CsrfTokenManager|null $csrfTokenManager
-	 * @param string $stream
-	 * @see http://www.php.net/manual/en/reserved.variables.php
-	 */
-	public function __construct(array $vars,
-								ISecureRandom $secureRandom,
-								IConfig $config,
-								CsrfTokenManager $csrfTokenManager = null,
-								string $stream = 'php://input') {
-		$this->inputStream = $stream;
-		$this->items['params'] = [];
-		$this->secureRandom = $secureRandom;
-		$this->config = $config;
-		$this->csrfTokenManager = $csrfTokenManager;
-
-		if (!array_key_exists('method', $vars)) {
-			$vars['method'] = 'GET';
-		}
-
-		foreach ($this->allowedKeys as $name) {
-			$this->items[$name] = isset($vars[$name])
-				? $vars[$name]
-				: [];
-		}
-
-		$this->items['parameters'] = array_merge(
-			$this->items['get'],
-			$this->items['post'],
-			$this->items['urlParams'],
-			$this->items['params']
-		);
-	}
-	/**
-	 * @param array $parameters
-	 */
-	public function setUrlParameters(array $parameters) {
-		$this->items['urlParams'] = $parameters;
-		$this->items['parameters'] = array_merge(
-			$this->items['parameters'],
-			$this->items['urlParams']
-		);
-	}
-
-	/**
-	 * Countable method
-	 * @return int
-	 */
-	public function count(): int {
-		return \count($this->items['parameters']);
-	}
-
-	/**
-	 * ArrayAccess methods
-	 *
-	 * Gives access to the combined GET, POST and urlParams arrays
-	 *
-	 * Examples:
-	 *
-	 * $var = $request['myvar'];
-	 *
-	 * or
-	 *
-	 * if(!isset($request['myvar']) {
-	 * 	// Do something
-	 * }
-	 *
-	 * $request['myvar'] = 'something'; // This throws an exception.
-	 *
-	 * @param string $offset The key to lookup
-	 * @return boolean
-	 */
-	public function offsetExists($offset): bool {
-		return isset($this->items['parameters'][$offset]);
-	}
-
-	/**
-	 * @see offsetExists
-	 * @param string $offset
-	 * @return mixed
-	 */
-	public function offsetGet($offset) {
-		return isset($this->items['parameters'][$offset])
-			? $this->items['parameters'][$offset]
-			: null;
-	}
-
-	/**
-	 * @see offsetExists
-	 * @param string $offset
-	 * @param mixed $value
-	 */
-	public function offsetSet($offset, $value) {
-		throw new \RuntimeException('You cannot change the contents of the request object');
-	}
-
-	/**
-	 * @see offsetExists
-	 * @param string $offset
-	 */
-	public function offsetUnset($offset) {
-		throw new \RuntimeException('You cannot change the contents of the request object');
-	}
-
-	/**
-	 * Magic property accessors
-	 * @param string $name
-	 * @param mixed $value
-	 */
-	public function __set($name, $value) {
-		throw new \RuntimeException('You cannot change the contents of the request object');
-	}
-
-	/**
-	 * Access request variables by method and name.
-	 * Examples:
-	 *
-	 * $request->post['myvar']; // Only look for POST variables
-	 * $request->myvar; or $request->{'myvar'}; or $request->{$myvar}
-	 * Looks in the combined GET, POST and urlParams array.
-	 *
-	 * If you access e.g. ->post but the current HTTP request method
-	 * is GET a \LogicException will be thrown.
-	 *
-	 * @param string $name The key to look for.
-	 * @throws \LogicException
-	 * @return mixed|null
-	 */
-	public function __get($name) {
-		switch ($name) {
-			case 'put':
-			case 'patch':
-			case 'get':
-			case 'post':
-				if ($this->method !== strtoupper($name)) {
-					throw new \LogicException(sprintf('%s cannot be accessed in a %s request.', $name, $this->method));
-				}
-				return $this->getContent();
-			case 'files':
-			case 'server':
-			case 'env':
-			case 'cookies':
-			case 'urlParams':
-			case 'method':
-				return isset($this->items[$name])
-					? $this->items[$name]
-					: null;
-			case 'parameters':
-			case 'params':
-				return $this->getContent();
-			default:
-				return isset($this[$name])
-					? $this[$name]
-					: null;
-		}
-	}
-
-	/**
-	 * @param string $name
-	 * @return bool
-	 */
-	public function __isset($name) {
-		if (\in_array($name, $this->allowedKeys, true)) {
-			return true;
-		}
-		return isset($this->items['parameters'][$name]);
-	}
-
-	/**
-	 * @param string $id
-	 */
-	public function __unset($id) {
-		throw new \RuntimeException('You cannot change the contents of the request object');
-	}
-
-	/**
-	 * Returns the value for a specific http header.
-	 *
-	 * This method returns an empty string if the header did not exist.
-	 *
-	 * @param string $name
-	 * @return string
-	 */
-	public function getHeader(string $name): string {
-		$name = strtoupper(str_replace('-', '_',$name));
-		if (isset($this->server['HTTP_' . $name])) {
-			return $this->server['HTTP_' . $name];
-		}
-
-		// There's a few headers that seem to end up in the top-level
-		// server array.
-		switch ($name) {
-			case 'CONTENT_TYPE':
-			case 'CONTENT_LENGTH':
-			case 'REMOTE_ADDR':
-				if (isset($this->server[$name])) {
-					return $this->server[$name];
-				}
-				break;
-		}
-
-		return '';
-	}
-
-	/**
-	 * Lets you access post and get parameters by the index
-	 * In case of json requests the encoded json body is accessed
-	 *
-	 * @param string $key the key which you want to access in the URL Parameter
-	 *                     placeholder, $_POST or $_GET array.
-	 *                     The priority how they're returned is the following:
-	 *                     1. URL parameters
-	 *                     2. POST parameters
-	 *                     3. GET parameters
-	 * @param mixed $default If the key is not found, this value will be returned
-	 * @return mixed the content of the array
-	 */
-	public function getParam(string $key, $default = null) {
-		return isset($this->parameters[$key])
-			? $this->parameters[$key]
-			: $default;
-	}
-
-	/**
-	 * Returns all params that were received, be it from the request
-	 * (as GET or POST) or throuh the URL by the route
-	 * @return array the array with all parameters
-	 */
-	public function getParams(): array {
-		return is_array($this->parameters) ? $this->parameters : [];
-	}
-
-	/**
-	 * Returns the method of the request
-	 * @return string the method of the request (POST, GET, etc)
-	 */
-	public function getMethod(): string {
-		return $this->method;
-	}
-
-	/**
-	 * Shortcut for accessing an uploaded file through the $_FILES array
-	 * @param string $key the key that will be taken from the $_FILES array
-	 * @return array the file in the $_FILES element
-	 */
-	public function getUploadedFile(string $key) {
-		return isset($this->files[$key]) ? $this->files[$key] : null;
-	}
-
-	/**
-	 * Shortcut for getting env variables
-	 * @param string $key the key that will be taken from the $_ENV array
-	 * @return array the value in the $_ENV element
-	 */
-	public function getEnv(string $key) {
-		return isset($this->env[$key]) ? $this->env[$key] : null;
-	}
-
-	/**
-	 * Shortcut for getting cookie variables
-	 * @param string $key the key that will be taken from the $_COOKIE array
-	 * @return string the value in the $_COOKIE element
-	 */
-	public function getCookie(string $key) {
-		return isset($this->cookies[$key]) ? $this->cookies[$key] : null;
-	}
-
-	/**
-	 * Returns the request body content.
-	 *
-	 * If the HTTP request method is PUT and the body
-	 * not application/x-www-form-urlencoded or application/json a stream
-	 * resource is returned, otherwise an array.
-	 *
-	 * @return array|string|resource The request body content or a resource to read the body stream.
-	 *
-	 * @throws \LogicException
-	 */
-	protected function getContent() {
-		// If the content can't be parsed into an array then return a stream resource.
-		if ($this->method === 'PUT'
-			&& $this->getHeader('Content-Length') !== '0'
-			&& $this->getHeader('Content-Length') !== ''
-			&& strpos($this->getHeader('Content-Type'), 'application/x-www-form-urlencoded') === false
-			&& strpos($this->getHeader('Content-Type'), 'application/json') === false
-		) {
-			if ($this->content === false) {
-				throw new \LogicException(
-					'"put" can only be accessed once if not '
-					. 'application/x-www-form-urlencoded or application/json.'
-				);
-			}
-			$this->content = false;
-			return fopen($this->inputStream, 'rb');
-		} else {
-			$this->decodeContent();
-			return $this->items['parameters'];
-		}
-	}
-
-	/**
-	 * Attempt to decode the content and populate parameters
-	 */
-	protected function decodeContent() {
-		if ($this->contentDecoded) {
-			return;
-		}
-		$params = [];
-
-		// 'application/json' must be decoded manually.
-		if (strpos($this->getHeader('Content-Type'), 'application/json') !== false) {
-			$params = json_decode(file_get_contents($this->inputStream), true);
-			if ($params !== null && \count($params) > 0) {
-				$this->items['params'] = $params;
-				if ($this->method === 'POST') {
-					$this->items['post'] = $params;
-				}
-			}
-
-			// Handle application/x-www-form-urlencoded for methods other than GET
-		// or post correctly
-		} elseif ($this->method !== 'GET'
-				&& $this->method !== 'POST'
-				&& strpos($this->getHeader('Content-Type'), 'application/x-www-form-urlencoded') !== false) {
-			parse_str(file_get_contents($this->inputStream), $params);
-			if (\is_array($params)) {
-				$this->items['params'] = $params;
-			}
-		}
-
-		if (\is_array($params)) {
-			$this->items['parameters'] = array_merge($this->items['parameters'], $params);
-		}
-		$this->contentDecoded = true;
-	}
-
-
-	/**
-	 * Checks if the CSRF check was correct
-	 * @return bool true if CSRF check passed
-	 */
-	public function passesCSRFCheck(): bool {
-		if ($this->csrfTokenManager === null) {
-			return false;
-		}
-
-		if (!$this->passesStrictCookieCheck()) {
-			return false;
-		}
-
-		if (isset($this->items['get']['requesttoken'])) {
-			$token = $this->items['get']['requesttoken'];
-		} elseif (isset($this->items['post']['requesttoken'])) {
-			$token = $this->items['post']['requesttoken'];
-		} elseif (isset($this->items['server']['HTTP_REQUESTTOKEN'])) {
-			$token = $this->items['server']['HTTP_REQUESTTOKEN'];
-		} else {
-			//no token found.
-			return false;
-		}
-		$token = new CsrfToken($token);
-
-		return $this->csrfTokenManager->isTokenValid($token);
-	}
-
-	/**
-	 * Whether the cookie checks are required
-	 *
-	 * @return bool
-	 */
-	private function cookieCheckRequired(): bool {
-		if ($this->getHeader('OCS-APIREQUEST')) {
-			return false;
-		}
-		if ($this->getCookie(session_name()) === null && $this->getCookie('nc_token') === null) {
-			return false;
-		}
-
-		return true;
-	}
-
-	/**
-	 * Wrapper around session_get_cookie_params
-	 *
-	 * @return array
-	 */
-	public function getCookieParams(): array {
-		return session_get_cookie_params();
-	}
-
-	/**
-	 * Appends the __Host- prefix to the cookie if applicable
-	 *
-	 * @param string $name
-	 * @return string
-	 */
-	protected function getProtectedCookieName(string $name): string {
-		$cookieParams = $this->getCookieParams();
-		$prefix = '';
-		if ($cookieParams['secure'] === true && $cookieParams['path'] === '/') {
-			$prefix = '__Host-';
-		}
-
-		return $prefix.$name;
-	}
-
-	/**
-	 * Checks if the strict cookie has been sent with the request if the request
-	 * is including any cookies.
-	 *
-	 * @return bool
-	 * @since 9.1.0
-	 */
-	public function passesStrictCookieCheck(): bool {
-		if (!$this->cookieCheckRequired()) {
-			return true;
-		}
-
-		$cookieName = $this->getProtectedCookieName('nc_sameSiteCookiestrict');
-		if ($this->getCookie($cookieName) === 'true'
-			&& $this->passesLaxCookieCheck()) {
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Checks if the lax cookie has been sent with the request if the request
-	 * is including any cookies.
-	 *
-	 * @return bool
-	 * @since 9.1.0
-	 */
-	public function passesLaxCookieCheck(): bool {
-		if (!$this->cookieCheckRequired()) {
-			return true;
-		}
-
-		$cookieName = $this->getProtectedCookieName('nc_sameSiteCookielax');
-		if ($this->getCookie($cookieName) === 'true') {
-			return true;
-		}
-		return false;
-	}
-
-
-	/**
-	 * Returns an ID for the request, value is not guaranteed to be unique and is mostly meant for logging
-	 * If `mod_unique_id` is installed this value will be taken.
-	 * @return string
-	 */
-	public function getId(): string {
-		if (isset($this->server['UNIQUE_ID'])) {
-			return $this->server['UNIQUE_ID'];
-		}
-
-		if (empty($this->requestId)) {
-			$validChars = ISecureRandom::CHAR_UPPER . ISecureRandom::CHAR_LOWER . ISecureRandom::CHAR_DIGITS;
-			$this->requestId = $this->secureRandom->generate(20, $validChars);
-		}
-
-		return $this->requestId;
-	}
-
-	/**
-	 * Checks if given $remoteAddress matches given $trustedProxy.
-	 * If $trustedProxy is an IPv4 IP range given in CIDR notation, true will be returned if
-	 * $remoteAddress is an IPv4 address within that IP range.
-	 * Otherwise $remoteAddress will be compared to $trustedProxy literally and the result
-	 * will be returned.
-	 * @return boolean true if $remoteAddress matches $trustedProxy, false otherwise
-	 */
-	protected function matchesTrustedProxy($trustedProxy, $remoteAddress) {
-		$cidrre = '/^([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})\/([0-9]{1,2})$/';
-
-		if (preg_match($cidrre, $trustedProxy, $match)) {
-			$net = $match[1];
-			$shiftbits = min(32, max(0, 32 - intval($match[2])));
-			$netnum = ip2long($net) >> $shiftbits;
-			$ipnum = ip2long($remoteAddress) >> $shiftbits;
-
-			return $ipnum === $netnum;
-		}
-
-		return $trustedProxy === $remoteAddress;
-	}
-
-	/**
-	 * Checks if given $remoteAddress matches any entry in the given array $trustedProxies.
-	 * For details regarding what "match" means, refer to `matchesTrustedProxy`.
-	 * @return boolean true if $remoteAddress matches any entry in $trustedProxies, false otherwise
-	 */
-	protected function isTrustedProxy($trustedProxies, $remoteAddress) {
-		foreach ($trustedProxies as $tp) {
-			if ($this->matchesTrustedProxy($tp, $remoteAddress)) {
-				return true;
-			}
-		}
-
-		return false;
-	}
-
-	/**
-	 * Returns the remote address, if the connection came from a trusted proxy
-	 * and `forwarded_for_headers` has been configured then the IP address
-	 * specified in this header will be returned instead.
-	 * Do always use this instead of $_SERVER['REMOTE_ADDR']
-	 * @return string IP address
-	 */
-	public function getRemoteAddress(): string {
-		$remoteAddress = isset($this->server['REMOTE_ADDR']) ? $this->server['REMOTE_ADDR'] : '';
-		$trustedProxies = $this->config->getSystemValue('trusted_proxies', []);
-
-		if (\is_array($trustedProxies) && $this->isTrustedProxy($trustedProxies, $remoteAddress)) {
-			$forwardedForHeaders = $this->config->getSystemValue('forwarded_for_headers', [
-				'HTTP_X_FORWARDED_FOR'
-				// only have one default, so we cannot ship an insecure product out of the box
-			]);
-
-			foreach ($forwardedForHeaders as $header) {
-				if (isset($this->server[$header])) {
-					foreach (explode(',', $this->server[$header]) as $IP) {
-						$IP = trim($IP);
-
-						// remove brackets from IPv6 addresses
-						if (strpos($IP, '[') === 0 && substr($IP, -1) === ']') {
-							$IP = substr($IP, 1, -1);
-						}
-
-						if (filter_var($IP, FILTER_VALIDATE_IP) !== false) {
-							return $IP;
-						}
-					}
-				}
-			}
-		}
-
-		return $remoteAddress;
-	}
-
-	/**
-	 * Check overwrite condition
-	 * @param string $type
-	 * @return bool
-	 */
-	private function isOverwriteCondition(string $type = ''): bool {
-		$regex = '/' . $this->config->getSystemValue('overwritecondaddr', '')  . '/';
-		$remoteAddr = isset($this->server['REMOTE_ADDR']) ? $this->server['REMOTE_ADDR'] : '';
-		return $regex === '//' || preg_match($regex, $remoteAddr) === 1
-		|| $type !== 'protocol';
-	}
-
-	/**
-	 * Returns the server protocol. It respects one or more reverse proxies servers
-	 * and load balancers
-	 * @return string Server protocol (http or https)
-	 */
-	public function getServerProtocol(): string {
-		if ($this->config->getSystemValue('overwriteprotocol') !== ''
-			&& $this->isOverwriteCondition('protocol')) {
-			return $this->config->getSystemValue('overwriteprotocol');
-		}
-
-		if ($this->fromTrustedProxy() && isset($this->server['HTTP_X_FORWARDED_PROTO'])) {
-			if (strpos($this->server['HTTP_X_FORWARDED_PROTO'], ',') !== false) {
-				$parts = explode(',', $this->server['HTTP_X_FORWARDED_PROTO']);
-				$proto = strtolower(trim($parts[0]));
-			} else {
-				$proto = strtolower($this->server['HTTP_X_FORWARDED_PROTO']);
-			}
-
-			// Verify that the protocol is always HTTP or HTTPS
-			// default to http if an invalid value is provided
-			return $proto === 'https' ? 'https' : 'http';
-		}
-
-		if (isset($this->server['HTTPS'])
-			&& $this->server['HTTPS'] !== null
-			&& $this->server['HTTPS'] !== 'off'
-			&& $this->server['HTTPS'] !== '') {
-			return 'https';
-		}
-
-		return 'http';
-	}
-
-	/**
-	 * Returns the used HTTP protocol.
-	 *
-	 * @return string HTTP protocol. HTTP/2, HTTP/1.1 or HTTP/1.0.
-	 */
-	public function getHttpProtocol(): string {
-		$claimedProtocol = $this->server['SERVER_PROTOCOL'];
-
-		if (\is_string($claimedProtocol)) {
-			$claimedProtocol = strtoupper($claimedProtocol);
-		}
-
-		$validProtocols = [
-			'HTTP/1.0',
-			'HTTP/1.1',
-			'HTTP/2',
-		];
-
-		if (\in_array($claimedProtocol, $validProtocols, true)) {
-			return $claimedProtocol;
-		}
-
-		return 'HTTP/1.1';
-	}
-
-	/**
-	 * Returns the request uri, even if the website uses one or more
-	 * reverse proxies
-	 * @return string
-	 */
-	public function getRequestUri(): string {
-		$uri = isset($this->server['REQUEST_URI']) ? $this->server['REQUEST_URI'] : '';
-		if ($this->config->getSystemValue('overwritewebroot') !== '' && $this->isOverwriteCondition()) {
-			$uri = $this->getScriptName() . substr($uri, \strlen($this->server['SCRIPT_NAME']));
-		}
-		return $uri;
-	}
-
-	/**
-	 * Get raw PathInfo from request (not urldecoded)
-	 * @throws \Exception
-	 * @return string Path info
-	 */
-	public function getRawPathInfo(): string {
-		$requestUri = isset($this->server['REQUEST_URI']) ? $this->server['REQUEST_URI'] : '';
-		// remove too many slashes - can be caused by reverse proxy configuration
-		$requestUri = preg_replace('%/{2,}%', '/', $requestUri);
-
-		// Remove the query string from REQUEST_URI
-		if ($pos = strpos($requestUri, '?')) {
-			$requestUri = substr($requestUri, 0, $pos);
-		}
-
-		$scriptName = $this->server['SCRIPT_NAME'];
-		$pathInfo = $requestUri;
-
-		// strip off the script name's dir and file name
-		// FIXME: Sabre does not really belong here
-		list($path, $name) = \Sabre\Uri\split($scriptName);
-		if (!empty($path)) {
-			if ($path === $pathInfo || strpos($pathInfo, $path.'/') === 0) {
-				$pathInfo = substr($pathInfo, \strlen($path));
-			} else {
-				throw new \Exception("The requested uri($requestUri) cannot be processed by the script '$scriptName')");
-			}
-		}
-		if ($name === null) {
-			$name = '';
-		}
-
-		if (strpos($pathInfo, '/'.$name) === 0) {
-			$pathInfo = substr($pathInfo, \strlen($name) + 1);
-		}
-		if ($name !== '' && strpos($pathInfo, $name) === 0) {
-			$pathInfo = substr($pathInfo, \strlen($name));
-		}
-		if ($pathInfo === false || $pathInfo === '/') {
-			return '';
-		} else {
-			return $pathInfo;
-		}
-	}
-
-	/**
-	 * Get PathInfo from request
-	 * @throws \Exception
-	 * @return string|false Path info or false when not found
-	 */
-	public function getPathInfo() {
-		$pathInfo = $this->getRawPathInfo();
-		// following is taken from \Sabre\HTTP\URLUtil::decodePathSegment
-		$pathInfo = rawurldecode($pathInfo);
-		$encoding = mb_detect_encoding($pathInfo, ['UTF-8', 'ISO-8859-1']);
-
-		switch ($encoding) {
-			case 'ISO-8859-1':
-				$pathInfo = utf8_encode($pathInfo);
-		}
-		// end copy
-
-		return $pathInfo;
-	}
-
-	/**
-	 * Returns the script name, even if the website uses one or more
-	 * reverse proxies
-	 * @return string the script name
-	 */
-	public function getScriptName(): string {
-		$name = $this->server['SCRIPT_NAME'];
-		$overwriteWebRoot = $this->config->getSystemValue('overwritewebroot');
-		if ($overwriteWebRoot !== '' && $this->isOverwriteCondition()) {
-			// FIXME: This code is untestable due to __DIR__, also that hardcoded path is really dangerous
-			$serverRoot = str_replace('\\', '/', substr(__DIR__, 0, -\strlen('lib/private/appframework/http/')));
-			$suburi = str_replace('\\', '/', substr(realpath($this->server['SCRIPT_FILENAME']), \strlen($serverRoot)));
-			$name = '/' . ltrim($overwriteWebRoot . $suburi, '/');
-		}
-		return $name;
-	}
-
-	/**
-	 * Checks whether the user agent matches a given regex
-	 * @param array $agent array of agent names
-	 * @return bool true if at least one of the given agent matches, false otherwise
-	 */
-	public function isUserAgent(array $agent): bool {
-		if (!isset($this->server['HTTP_USER_AGENT'])) {
-			return false;
-		}
-		foreach ($agent as $regex) {
-			if (preg_match($regex, $this->server['HTTP_USER_AGENT'])) {
-				return true;
-			}
-		}
-		return false;
-	}
-
-	/**
-	 * Returns the unverified server host from the headers without checking
-	 * whether it is a trusted domain
-	 * @return string Server host
-	 */
-	public function getInsecureServerHost(): string {
-		if ($this->fromTrustedProxy() && $this->getOverwriteHost() !== null) {
-			return $this->getOverwriteHost();
-		}
-
-		$host = 'localhost';
-		if ($this->fromTrustedProxy() && isset($this->server['HTTP_X_FORWARDED_HOST'])) {
-			if (strpos($this->server['HTTP_X_FORWARDED_HOST'], ',') !== false) {
-				$parts = explode(',', $this->server['HTTP_X_FORWARDED_HOST']);
-				$host = trim(current($parts));
-			} else {
-				$host = $this->server['HTTP_X_FORWARDED_HOST'];
-			}
-		} else {
-			if (isset($this->server['HTTP_HOST'])) {
-				$host = $this->server['HTTP_HOST'];
-			} elseif (isset($this->server['SERVER_NAME'])) {
-				$host = $this->server['SERVER_NAME'];
-			}
-		}
-
-		return $host;
-	}
-
-
-	/**
-	 * Returns the server host from the headers, or the first configured
-	 * trusted domain if the host isn't in the trusted list
-	 * @return string Server host
-	 */
-	public function getServerHost(): string {
-		// overwritehost is always trusted
-		$host = $this->getOverwriteHost();
-		if ($host !== null) {
-			return $host;
-		}
-
-		// get the host from the headers
-		$host = $this->getInsecureServerHost();
-
-		// Verify that the host is a trusted domain if the trusted domains
-		// are defined
-		// If no trusted domain is provided the first trusted domain is returned
-		$trustedDomainHelper = new TrustedDomainHelper($this->config);
-		if ($trustedDomainHelper->isTrustedDomain($host)) {
-			return $host;
-		}
-
-		$trustedList = (array)$this->config->getSystemValue('trusted_domains', []);
-		if (count($trustedList) > 0) {
-			return reset($trustedList);
-		}
-
-		return '';
-	}
-
-	/**
-	 * Returns the overwritehost setting from the config if set and
-	 * if the overwrite condition is met
-	 * @return string|null overwritehost value or null if not defined or the defined condition
-	 * isn't met
-	 */
-	private function getOverwriteHost() {
-		if ($this->config->getSystemValue('overwritehost') !== '' && $this->isOverwriteCondition()) {
-			return $this->config->getSystemValue('overwritehost');
-		}
-		return null;
-	}
-
-	private function fromTrustedProxy(): bool {
-		$remoteAddress = isset($this->server['REMOTE_ADDR']) ? $this->server['REMOTE_ADDR'] : '';
-		$trustedProxies = $this->config->getSystemValue('trusted_proxies', []);
-
-		return \is_array($trustedProxies) && $this->isTrustedProxy($trustedProxies, $remoteAddress);
-	}
+    public const USER_AGENT_IE = '/(MSIE)|(Trident)/';
+    // Microsoft Edge User Agent from https://msdn.microsoft.com/en-us/library/hh869301(v=vs.85).aspx
+    public const USER_AGENT_MS_EDGE = '/^Mozilla\/5\.0 \([^)]+\) AppleWebKit\/[0-9.]+ \(KHTML, like Gecko\) Chrome\/[0-9.]+ (Mobile Safari|Safari)\/[0-9.]+ Edge\/[0-9.]+$/';
+    // Firefox User Agent from https://developer.mozilla.org/en-US/docs/Web/HTTP/Gecko_user_agent_string_reference
+    public const USER_AGENT_FIREFOX = '/^Mozilla\/5\.0 \([^)]+\) Gecko\/[0-9.]+ Firefox\/[0-9.]+$/';
+    // Chrome User Agent from https://developer.chrome.com/multidevice/user-agent
+    public const USER_AGENT_CHROME = '/^Mozilla\/5\.0 \([^)]+\) AppleWebKit\/[0-9.]+ \(KHTML, like Gecko\)( Ubuntu Chromium\/[0-9.]+|) Chrome\/[0-9.]+ (Mobile Safari|Safari)\/[0-9.]+( (Vivaldi|Brave|OPR)\/[0-9.]+|)$/';
+    // Safari User Agent from http://www.useragentstring.com/pages/Safari/
+    public const USER_AGENT_SAFARI = '/^Mozilla\/5\.0 \([^)]+\) AppleWebKit\/[0-9.]+ \(KHTML, like Gecko\) Version\/[0-9.]+ Safari\/[0-9.A-Z]+$/';
+    // Android Chrome user agent: https://developers.google.com/chrome/mobile/docs/user-agent
+    public const USER_AGENT_ANDROID_MOBILE_CHROME = '#Android.*Chrome/[.0-9]*#';
+    public const USER_AGENT_FREEBOX = '#^Mozilla/5\.0$#';
+    public const REGEX_LOCALHOST = '/^(127\.0\.0\.1|localhost|::1)$/';
+
+    /**
+     * @deprecated use \OCP\IRequest::USER_AGENT_CLIENT_IOS instead
+     */
+    public const USER_AGENT_OWNCLOUD_IOS = '/^Mozilla\/5\.0 \(iOS\) (ownCloud|Nextcloud)\-iOS.*$/';
+    /**
+     * @deprecated use \OCP\IRequest::USER_AGENT_CLIENT_ANDROID instead
+     */
+    public const USER_AGENT_OWNCLOUD_ANDROID = '/^Mozilla\/5\.0 \(Android\) ownCloud\-android.*$/';
+    /**
+     * @deprecated use \OCP\IRequest::USER_AGENT_CLIENT_DESKTOP instead
+     */
+    public const USER_AGENT_OWNCLOUD_DESKTOP = '/^Mozilla\/5\.0 \([A-Za-z ]+\) (mirall|csyncoC)\/.*$/';
+
+    protected $inputStream;
+    protected $content;
+    protected $items = [];
+    protected $allowedKeys = [
+        'get',
+        'post',
+        'files',
+        'server',
+        'env',
+        'cookies',
+        'urlParams',
+        'parameters',
+        'method',
+        'requesttoken',
+    ];
+    /** @var ISecureRandom */
+    protected $secureRandom;
+    /** @var IConfig */
+    protected $config;
+    /** @var string */
+    protected $requestId = '';
+    /** @var ICrypto */
+    protected $crypto;
+    /** @var CsrfTokenManager|null */
+    protected $csrfTokenManager;
+
+    /** @var bool */
+    protected $contentDecoded = false;
+
+    /**
+     * @param array $vars An associative array with the following optional values:
+     *        - array 'urlParams' the parameters which were matched from the URL
+     *        - array 'get' the $_GET array
+     *        - array|string 'post' the $_POST array or JSON string
+     *        - array 'files' the $_FILES array
+     *        - array 'server' the $_SERVER array
+     *        - array 'env' the $_ENV array
+     *        - array 'cookies' the $_COOKIE array
+     *        - string 'method' the request method (GET, POST etc)
+     *        - string|false 'requesttoken' the requesttoken or false when not available
+     * @param ISecureRandom $secureRandom
+     * @param IConfig $config
+     * @param CsrfTokenManager|null $csrfTokenManager
+     * @param string $stream
+     * @see http://www.php.net/manual/en/reserved.variables.php
+     */
+    public function __construct(array $vars,
+                                ISecureRandom $secureRandom,
+                                IConfig $config,
+                                CsrfTokenManager $csrfTokenManager = null,
+                                string $stream = 'php://input') {
+        $this->inputStream = $stream;
+        $this->items['params'] = [];
+        $this->secureRandom = $secureRandom;
+        $this->config = $config;
+        $this->csrfTokenManager = $csrfTokenManager;
+
+        if (!array_key_exists('method', $vars)) {
+            $vars['method'] = 'GET';
+        }
+
+        foreach ($this->allowedKeys as $name) {
+            $this->items[$name] = isset($vars[$name])
+                ? $vars[$name]
+                : [];
+        }
+
+        $this->items['parameters'] = array_merge(
+            $this->items['get'],
+            $this->items['post'],
+            $this->items['urlParams'],
+            $this->items['params']
+        );
+    }
+    /**
+     * @param array $parameters
+     */
+    public function setUrlParameters(array $parameters) {
+        $this->items['urlParams'] = $parameters;
+        $this->items['parameters'] = array_merge(
+            $this->items['parameters'],
+            $this->items['urlParams']
+        );
+    }
+
+    /**
+     * Countable method
+     * @return int
+     */
+    public function count(): int {
+        return \count($this->items['parameters']);
+    }
+
+    /**
+     * ArrayAccess methods
+     *
+     * Gives access to the combined GET, POST and urlParams arrays
+     *
+     * Examples:
+     *
+     * $var = $request['myvar'];
+     *
+     * or
+     *
+     * if(!isset($request['myvar']) {
+     * 	// Do something
+     * }
+     *
+     * $request['myvar'] = 'something'; // This throws an exception.
+     *
+     * @param string $offset The key to lookup
+     * @return boolean
+     */
+    public function offsetExists($offset): bool {
+        return isset($this->items['parameters'][$offset]);
+    }
+
+    /**
+     * @see offsetExists
+     * @param string $offset
+     * @return mixed
+     */
+    public function offsetGet($offset) {
+        return isset($this->items['parameters'][$offset])
+            ? $this->items['parameters'][$offset]
+            : null;
+    }
+
+    /**
+     * @see offsetExists
+     * @param string $offset
+     * @param mixed $value
+     */
+    public function offsetSet($offset, $value) {
+        throw new \RuntimeException('You cannot change the contents of the request object');
+    }
+
+    /**
+     * @see offsetExists
+     * @param string $offset
+     */
+    public function offsetUnset($offset) {
+        throw new \RuntimeException('You cannot change the contents of the request object');
+    }
+
+    /**
+     * Magic property accessors
+     * @param string $name
+     * @param mixed $value
+     */
+    public function __set($name, $value) {
+        throw new \RuntimeException('You cannot change the contents of the request object');
+    }
+
+    /**
+     * Access request variables by method and name.
+     * Examples:
+     *
+     * $request->post['myvar']; // Only look for POST variables
+     * $request->myvar; or $request->{'myvar'}; or $request->{$myvar}
+     * Looks in the combined GET, POST and urlParams array.
+     *
+     * If you access e.g. ->post but the current HTTP request method
+     * is GET a \LogicException will be thrown.
+     *
+     * @param string $name The key to look for.
+     * @throws \LogicException
+     * @return mixed|null
+     */
+    public function __get($name) {
+        switch ($name) {
+            case 'put':
+            case 'patch':
+            case 'get':
+            case 'post':
+                if ($this->method !== strtoupper($name)) {
+                    throw new \LogicException(sprintf('%s cannot be accessed in a %s request.', $name, $this->method));
+                }
+                return $this->getContent();
+            case 'files':
+            case 'server':
+            case 'env':
+            case 'cookies':
+            case 'urlParams':
+            case 'method':
+                return isset($this->items[$name])
+                    ? $this->items[$name]
+                    : null;
+            case 'parameters':
+            case 'params':
+                return $this->getContent();
+            default:
+                return isset($this[$name])
+                    ? $this[$name]
+                    : null;
+        }
+    }
+
+    /**
+     * @param string $name
+     * @return bool
+     */
+    public function __isset($name) {
+        if (\in_array($name, $this->allowedKeys, true)) {
+            return true;
+        }
+        return isset($this->items['parameters'][$name]);
+    }
+
+    /**
+     * @param string $id
+     */
+    public function __unset($id) {
+        throw new \RuntimeException('You cannot change the contents of the request object');
+    }
+
+    /**
+     * Returns the value for a specific http header.
+     *
+     * This method returns an empty string if the header did not exist.
+     *
+     * @param string $name
+     * @return string
+     */
+    public function getHeader(string $name): string {
+        $name = strtoupper(str_replace('-', '_',$name));
+        if (isset($this->server['HTTP_' . $name])) {
+            return $this->server['HTTP_' . $name];
+        }
+
+        // There's a few headers that seem to end up in the top-level
+        // server array.
+        switch ($name) {
+            case 'CONTENT_TYPE':
+            case 'CONTENT_LENGTH':
+            case 'REMOTE_ADDR':
+                if (isset($this->server[$name])) {
+                    return $this->server[$name];
+                }
+                break;
+        }
+
+        return '';
+    }
+
+    /**
+     * Lets you access post and get parameters by the index
+     * In case of json requests the encoded json body is accessed
+     *
+     * @param string $key the key which you want to access in the URL Parameter
+     *                     placeholder, $_POST or $_GET array.
+     *                     The priority how they're returned is the following:
+     *                     1. URL parameters
+     *                     2. POST parameters
+     *                     3. GET parameters
+     * @param mixed $default If the key is not found, this value will be returned
+     * @return mixed the content of the array
+     */
+    public function getParam(string $key, $default = null) {
+        return isset($this->parameters[$key])
+            ? $this->parameters[$key]
+            : $default;
+    }
+
+    /**
+     * Returns all params that were received, be it from the request
+     * (as GET or POST) or throuh the URL by the route
+     * @return array the array with all parameters
+     */
+    public function getParams(): array {
+        return is_array($this->parameters) ? $this->parameters : [];
+    }
+
+    /**
+     * Returns the method of the request
+     * @return string the method of the request (POST, GET, etc)
+     */
+    public function getMethod(): string {
+        return $this->method;
+    }
+
+    /**
+     * Shortcut for accessing an uploaded file through the $_FILES array
+     * @param string $key the key that will be taken from the $_FILES array
+     * @return array the file in the $_FILES element
+     */
+    public function getUploadedFile(string $key) {
+        return isset($this->files[$key]) ? $this->files[$key] : null;
+    }
+
+    /**
+     * Shortcut for getting env variables
+     * @param string $key the key that will be taken from the $_ENV array
+     * @return array the value in the $_ENV element
+     */
+    public function getEnv(string $key) {
+        return isset($this->env[$key]) ? $this->env[$key] : null;
+    }
+
+    /**
+     * Shortcut for getting cookie variables
+     * @param string $key the key that will be taken from the $_COOKIE array
+     * @return string the value in the $_COOKIE element
+     */
+    public function getCookie(string $key) {
+        return isset($this->cookies[$key]) ? $this->cookies[$key] : null;
+    }
+
+    /**
+     * Returns the request body content.
+     *
+     * If the HTTP request method is PUT and the body
+     * not application/x-www-form-urlencoded or application/json a stream
+     * resource is returned, otherwise an array.
+     *
+     * @return array|string|resource The request body content or a resource to read the body stream.
+     *
+     * @throws \LogicException
+     */
+    protected function getContent() {
+        // If the content can't be parsed into an array then return a stream resource.
+        if ($this->method === 'PUT'
+            && $this->getHeader('Content-Length') !== '0'
+            && $this->getHeader('Content-Length') !== ''
+            && strpos($this->getHeader('Content-Type'), 'application/x-www-form-urlencoded') === false
+            && strpos($this->getHeader('Content-Type'), 'application/json') === false
+        ) {
+            if ($this->content === false) {
+                throw new \LogicException(
+                    '"put" can only be accessed once if not '
+                    . 'application/x-www-form-urlencoded or application/json.'
+                );
+            }
+            $this->content = false;
+            return fopen($this->inputStream, 'rb');
+        } else {
+            $this->decodeContent();
+            return $this->items['parameters'];
+        }
+    }
+
+    /**
+     * Attempt to decode the content and populate parameters
+     */
+    protected function decodeContent() {
+        if ($this->contentDecoded) {
+            return;
+        }
+        $params = [];
+
+        // 'application/json' must be decoded manually.
+        if (strpos($this->getHeader('Content-Type'), 'application/json') !== false) {
+            $params = json_decode(file_get_contents($this->inputStream), true);
+            if ($params !== null && \count($params) > 0) {
+                $this->items['params'] = $params;
+                if ($this->method === 'POST') {
+                    $this->items['post'] = $params;
+                }
+            }
+
+            // Handle application/x-www-form-urlencoded for methods other than GET
+        // or post correctly
+        } elseif ($this->method !== 'GET'
+                && $this->method !== 'POST'
+                && strpos($this->getHeader('Content-Type'), 'application/x-www-form-urlencoded') !== false) {
+            parse_str(file_get_contents($this->inputStream), $params);
+            if (\is_array($params)) {
+                $this->items['params'] = $params;
+            }
+        }
+
+        if (\is_array($params)) {
+            $this->items['parameters'] = array_merge($this->items['parameters'], $params);
+        }
+        $this->contentDecoded = true;
+    }
+
+
+    /**
+     * Checks if the CSRF check was correct
+     * @return bool true if CSRF check passed
+     */
+    public function passesCSRFCheck(): bool {
+        if ($this->csrfTokenManager === null) {
+            return false;
+        }
+
+        if (!$this->passesStrictCookieCheck()) {
+            return false;
+        }
+
+        if (isset($this->items['get']['requesttoken'])) {
+            $token = $this->items['get']['requesttoken'];
+        } elseif (isset($this->items['post']['requesttoken'])) {
+            $token = $this->items['post']['requesttoken'];
+        } elseif (isset($this->items['server']['HTTP_REQUESTTOKEN'])) {
+            $token = $this->items['server']['HTTP_REQUESTTOKEN'];
+        } else {
+            //no token found.
+            return false;
+        }
+        $token = new CsrfToken($token);
+
+        return $this->csrfTokenManager->isTokenValid($token);
+    }
+
+    /**
+     * Whether the cookie checks are required
+     *
+     * @return bool
+     */
+    private function cookieCheckRequired(): bool {
+        if ($this->getHeader('OCS-APIREQUEST')) {
+            return false;
+        }
+        if ($this->getCookie(session_name()) === null && $this->getCookie('nc_token') === null) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Wrapper around session_get_cookie_params
+     *
+     * @return array
+     */
+    public function getCookieParams(): array {
+        return session_get_cookie_params();
+    }
+
+    /**
+     * Appends the __Host- prefix to the cookie if applicable
+     *
+     * @param string $name
+     * @return string
+     */
+    protected function getProtectedCookieName(string $name): string {
+        $cookieParams = $this->getCookieParams();
+        $prefix = '';
+        if ($cookieParams['secure'] === true && $cookieParams['path'] === '/') {
+            $prefix = '__Host-';
+        }
+
+        return $prefix.$name;
+    }
+
+    /**
+     * Checks if the strict cookie has been sent with the request if the request
+     * is including any cookies.
+     *
+     * @return bool
+     * @since 9.1.0
+     */
+    public function passesStrictCookieCheck(): bool {
+        if (!$this->cookieCheckRequired()) {
+            return true;
+        }
+
+        $cookieName = $this->getProtectedCookieName('nc_sameSiteCookiestrict');
+        if ($this->getCookie($cookieName) === 'true'
+            && $this->passesLaxCookieCheck()) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Checks if the lax cookie has been sent with the request if the request
+     * is including any cookies.
+     *
+     * @return bool
+     * @since 9.1.0
+     */
+    public function passesLaxCookieCheck(): bool {
+        if (!$this->cookieCheckRequired()) {
+            return true;
+        }
+
+        $cookieName = $this->getProtectedCookieName('nc_sameSiteCookielax');
+        if ($this->getCookie($cookieName) === 'true') {
+            return true;
+        }
+        return false;
+    }
+
+
+    /**
+     * Returns an ID for the request, value is not guaranteed to be unique and is mostly meant for logging
+     * If `mod_unique_id` is installed this value will be taken.
+     * @return string
+     */
+    public function getId(): string {
+        if (isset($this->server['UNIQUE_ID'])) {
+            return $this->server['UNIQUE_ID'];
+        }
+
+        if (empty($this->requestId)) {
+            $validChars = ISecureRandom::CHAR_UPPER . ISecureRandom::CHAR_LOWER . ISecureRandom::CHAR_DIGITS;
+            $this->requestId = $this->secureRandom->generate(20, $validChars);
+        }
+
+        return $this->requestId;
+    }
+
+    /**
+     * Checks if given $remoteAddress matches given $trustedProxy.
+     * If $trustedProxy is an IPv4 IP range given in CIDR notation, true will be returned if
+     * $remoteAddress is an IPv4 address within that IP range.
+     * Otherwise $remoteAddress will be compared to $trustedProxy literally and the result
+     * will be returned.
+     * @return boolean true if $remoteAddress matches $trustedProxy, false otherwise
+     */
+    protected function matchesTrustedProxy($trustedProxy, $remoteAddress) {
+        $cidrre = '/^([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})\/([0-9]{1,2})$/';
+
+        if (preg_match($cidrre, $trustedProxy, $match)) {
+            $net = $match[1];
+            $shiftbits = min(32, max(0, 32 - intval($match[2])));
+            $netnum = ip2long($net) >> $shiftbits;
+            $ipnum = ip2long($remoteAddress) >> $shiftbits;
+
+            return $ipnum === $netnum;
+        }
+
+        return $trustedProxy === $remoteAddress;
+    }
+
+    /**
+     * Checks if given $remoteAddress matches any entry in the given array $trustedProxies.
+     * For details regarding what "match" means, refer to `matchesTrustedProxy`.
+     * @return boolean true if $remoteAddress matches any entry in $trustedProxies, false otherwise
+     */
+    protected function isTrustedProxy($trustedProxies, $remoteAddress) {
+        foreach ($trustedProxies as $tp) {
+            if ($this->matchesTrustedProxy($tp, $remoteAddress)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Returns the remote address, if the connection came from a trusted proxy
+     * and `forwarded_for_headers` has been configured then the IP address
+     * specified in this header will be returned instead.
+     * Do always use this instead of $_SERVER['REMOTE_ADDR']
+     * @return string IP address
+     */
+    public function getRemoteAddress(): string {
+        $remoteAddress = isset($this->server['REMOTE_ADDR']) ? $this->server['REMOTE_ADDR'] : '';
+        $trustedProxies = $this->config->getSystemValue('trusted_proxies', []);
+
+        if (\is_array($trustedProxies) && $this->isTrustedProxy($trustedProxies, $remoteAddress)) {
+            $forwardedForHeaders = $this->config->getSystemValue('forwarded_for_headers', [
+                'HTTP_X_FORWARDED_FOR'
+                // only have one default, so we cannot ship an insecure product out of the box
+            ]);
+
+            foreach ($forwardedForHeaders as $header) {
+                if (isset($this->server[$header])) {
+                    foreach (explode(',', $this->server[$header]) as $IP) {
+                        $IP = trim($IP);
+
+                        // remove brackets from IPv6 addresses
+                        if (strpos($IP, '[') === 0 && substr($IP, -1) === ']') {
+                            $IP = substr($IP, 1, -1);
+                        }
+
+                        if (filter_var($IP, FILTER_VALIDATE_IP) !== false) {
+                            return $IP;
+                        }
+                    }
+                }
+            }
+        }
+
+        return $remoteAddress;
+    }
+
+    /**
+     * Check overwrite condition
+     * @param string $type
+     * @return bool
+     */
+    private function isOverwriteCondition(string $type = ''): bool {
+        $regex = '/' . $this->config->getSystemValue('overwritecondaddr', '')  . '/';
+        $remoteAddr = isset($this->server['REMOTE_ADDR']) ? $this->server['REMOTE_ADDR'] : '';
+        return $regex === '//' || preg_match($regex, $remoteAddr) === 1
+        || $type !== 'protocol';
+    }
+
+    /**
+     * Returns the server protocol. It respects one or more reverse proxies servers
+     * and load balancers
+     * @return string Server protocol (http or https)
+     */
+    public function getServerProtocol(): string {
+        if ($this->config->getSystemValue('overwriteprotocol') !== ''
+            && $this->isOverwriteCondition('protocol')) {
+            return $this->config->getSystemValue('overwriteprotocol');
+        }
+
+        if ($this->fromTrustedProxy() && isset($this->server['HTTP_X_FORWARDED_PROTO'])) {
+            if (strpos($this->server['HTTP_X_FORWARDED_PROTO'], ',') !== false) {
+                $parts = explode(',', $this->server['HTTP_X_FORWARDED_PROTO']);
+                $proto = strtolower(trim($parts[0]));
+            } else {
+                $proto = strtolower($this->server['HTTP_X_FORWARDED_PROTO']);
+            }
+
+            // Verify that the protocol is always HTTP or HTTPS
+            // default to http if an invalid value is provided
+            return $proto === 'https' ? 'https' : 'http';
+        }
+
+        if (isset($this->server['HTTPS'])
+            && $this->server['HTTPS'] !== null
+            && $this->server['HTTPS'] !== 'off'
+            && $this->server['HTTPS'] !== '') {
+            return 'https';
+        }
+
+        return 'http';
+    }
+
+    /**
+     * Returns the used HTTP protocol.
+     *
+     * @return string HTTP protocol. HTTP/2, HTTP/1.1 or HTTP/1.0.
+     */
+    public function getHttpProtocol(): string {
+        $claimedProtocol = $this->server['SERVER_PROTOCOL'];
+
+        if (\is_string($claimedProtocol)) {
+            $claimedProtocol = strtoupper($claimedProtocol);
+        }
+
+        $validProtocols = [
+            'HTTP/1.0',
+            'HTTP/1.1',
+            'HTTP/2',
+        ];
+
+        if (\in_array($claimedProtocol, $validProtocols, true)) {
+            return $claimedProtocol;
+        }
+
+        return 'HTTP/1.1';
+    }
+
+    /**
+     * Returns the request uri, even if the website uses one or more
+     * reverse proxies
+     * @return string
+     */
+    public function getRequestUri(): string {
+        $uri = isset($this->server['REQUEST_URI']) ? $this->server['REQUEST_URI'] : '';
+        if ($this->config->getSystemValue('overwritewebroot') !== '' && $this->isOverwriteCondition()) {
+            $uri = $this->getScriptName() . substr($uri, \strlen($this->server['SCRIPT_NAME']));
+        }
+        return $uri;
+    }
+
+    /**
+     * Get raw PathInfo from request (not urldecoded)
+     * @throws \Exception
+     * @return string Path info
+     */
+    public function getRawPathInfo(): string {
+        $requestUri = isset($this->server['REQUEST_URI']) ? $this->server['REQUEST_URI'] : '';
+        // remove too many slashes - can be caused by reverse proxy configuration
+        $requestUri = preg_replace('%/{2,}%', '/', $requestUri);
+
+        // Remove the query string from REQUEST_URI
+        if ($pos = strpos($requestUri, '?')) {
+            $requestUri = substr($requestUri, 0, $pos);
+        }
+
+        $scriptName = $this->server['SCRIPT_NAME'];
+        $pathInfo = $requestUri;
+
+        // strip off the script name's dir and file name
+        // FIXME: Sabre does not really belong here
+        list($path, $name) = \Sabre\Uri\split($scriptName);
+        if (!empty($path)) {
+            if ($path === $pathInfo || strpos($pathInfo, $path.'/') === 0) {
+                $pathInfo = substr($pathInfo, \strlen($path));
+            } else {
+                throw new \Exception("The requested uri($requestUri) cannot be processed by the script '$scriptName')");
+            }
+        }
+        if ($name === null) {
+            $name = '';
+        }
+
+        if (strpos($pathInfo, '/'.$name) === 0) {
+            $pathInfo = substr($pathInfo, \strlen($name) + 1);
+        }
+        if ($name !== '' && strpos($pathInfo, $name) === 0) {
+            $pathInfo = substr($pathInfo, \strlen($name));
+        }
+        if ($pathInfo === false || $pathInfo === '/') {
+            return '';
+        } else {
+            return $pathInfo;
+        }
+    }
+
+    /**
+     * Get PathInfo from request
+     * @throws \Exception
+     * @return string|false Path info or false when not found
+     */
+    public function getPathInfo() {
+        $pathInfo = $this->getRawPathInfo();
+        // following is taken from \Sabre\HTTP\URLUtil::decodePathSegment
+        $pathInfo = rawurldecode($pathInfo);
+        $encoding = mb_detect_encoding($pathInfo, ['UTF-8', 'ISO-8859-1']);
+
+        switch ($encoding) {
+            case 'ISO-8859-1':
+                $pathInfo = utf8_encode($pathInfo);
+        }
+        // end copy
+
+        return $pathInfo;
+    }
+
+    /**
+     * Returns the script name, even if the website uses one or more
+     * reverse proxies
+     * @return string the script name
+     */
+    public function getScriptName(): string {
+        $name = $this->server['SCRIPT_NAME'];
+        $overwriteWebRoot = $this->config->getSystemValue('overwritewebroot');
+        if ($overwriteWebRoot !== '' && $this->isOverwriteCondition()) {
+            // FIXME: This code is untestable due to __DIR__, also that hardcoded path is really dangerous
+            $serverRoot = str_replace('\\', '/', substr(__DIR__, 0, -\strlen('lib/private/appframework/http/')));
+            $suburi = str_replace('\\', '/', substr(realpath($this->server['SCRIPT_FILENAME']), \strlen($serverRoot)));
+            $name = '/' . ltrim($overwriteWebRoot . $suburi, '/');
+        }
+        return $name;
+    }
+
+    /**
+     * Checks whether the user agent matches a given regex
+     * @param array $agent array of agent names
+     * @return bool true if at least one of the given agent matches, false otherwise
+     */
+    public function isUserAgent(array $agent): bool {
+        if (!isset($this->server['HTTP_USER_AGENT'])) {
+            return false;
+        }
+        foreach ($agent as $regex) {
+            if (preg_match($regex, $this->server['HTTP_USER_AGENT'])) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Returns the unverified server host from the headers without checking
+     * whether it is a trusted domain
+     * @return string Server host
+     */
+    public function getInsecureServerHost(): string {
+        if ($this->fromTrustedProxy() && $this->getOverwriteHost() !== null) {
+            return $this->getOverwriteHost();
+        }
+
+        $host = 'localhost';
+        if ($this->fromTrustedProxy() && isset($this->server['HTTP_X_FORWARDED_HOST'])) {
+            if (strpos($this->server['HTTP_X_FORWARDED_HOST'], ',') !== false) {
+                $parts = explode(',', $this->server['HTTP_X_FORWARDED_HOST']);
+                $host = trim(current($parts));
+            } else {
+                $host = $this->server['HTTP_X_FORWARDED_HOST'];
+            }
+        } else {
+            if (isset($this->server['HTTP_HOST'])) {
+                $host = $this->server['HTTP_HOST'];
+            } elseif (isset($this->server['SERVER_NAME'])) {
+                $host = $this->server['SERVER_NAME'];
+            }
+        }
+
+        return $host;
+    }
+
+
+    /**
+     * Returns the server host from the headers, or the first configured
+     * trusted domain if the host isn't in the trusted list
+     * @return string Server host
+     */
+    public function getServerHost(): string {
+        // overwritehost is always trusted
+        $host = $this->getOverwriteHost();
+        if ($host !== null) {
+            return $host;
+        }
+
+        // get the host from the headers
+        $host = $this->getInsecureServerHost();
+
+        // Verify that the host is a trusted domain if the trusted domains
+        // are defined
+        // If no trusted domain is provided the first trusted domain is returned
+        $trustedDomainHelper = new TrustedDomainHelper($this->config);
+        if ($trustedDomainHelper->isTrustedDomain($host)) {
+            return $host;
+        }
+
+        $trustedList = (array)$this->config->getSystemValue('trusted_domains', []);
+        if (count($trustedList) > 0) {
+            return reset($trustedList);
+        }
+
+        return '';
+    }
+
+    /**
+     * Returns the overwritehost setting from the config if set and
+     * if the overwrite condition is met
+     * @return string|null overwritehost value or null if not defined or the defined condition
+     * isn't met
+     */
+    private function getOverwriteHost() {
+        if ($this->config->getSystemValue('overwritehost') !== '' && $this->isOverwriteCondition()) {
+            return $this->config->getSystemValue('overwritehost');
+        }
+        return null;
+    }
+
+    private function fromTrustedProxy(): bool {
+        $remoteAddress = isset($this->server['REMOTE_ADDR']) ? $this->server['REMOTE_ADDR'] : '';
+        $trustedProxies = $this->config->getSystemValue('trusted_proxies', []);
+
+        return \is_array($trustedProxies) && $this->isTrustedProxy($trustedProxies, $remoteAddress);
+    }
 }

lib/base.php

Indentation +1009 added lines, -1009 removed lines

@@ -77,1015 +77,1015 @@
  * OC_autoload!
  */
 class OC {
-	/**
-	 * Associative array for autoloading. classname => filename
-	 */
-	public static $CLASSPATH = [];
-	/**
-	 * The installation path for Nextcloud  on the server (e.g. /srv/http/nextcloud)
-	 */
-	public static $SERVERROOT = '';
-	/**
-	 * the current request path relative to the Nextcloud root (e.g. files/index.php)
-	 */
-	private static $SUBURI = '';
-	/**
-	 * the Nextcloud root path for http requests (e.g. nextcloud/)
-	 */
-	public static $WEBROOT = '';
-	/**
-	 * The installation path array of the apps folder on the server (e.g. /srv/http/nextcloud) 'path' and
-	 * web path in 'url'
-	 */
-	public static $APPSROOTS = [];
-
-	/**
-	 * @var string
-	 */
-	public static $configDir;
-
-	/**
-	 * requested app
-	 */
-	public static $REQUESTEDAPP = '';
-
-	/**
-	 * check if Nextcloud runs in cli mode
-	 */
-	public static $CLI = false;
-
-	/**
-	 * @var \OC\Autoloader $loader
-	 */
-	public static $loader = null;
-
-	/** @var \Composer\Autoload\ClassLoader $composerAutoloader */
-	public static $composerAutoloader = null;
-
-	/**
-	 * @var \OC\Server
-	 */
-	public static $server = null;
-
-	/**
-	 * @var \OC\Config
-	 */
-	private static $config = null;
-
-	/**
-	 * @throws \RuntimeException when the 3rdparty directory is missing or
-	 * the app path list is empty or contains an invalid path
-	 */
-	public static function initPaths() {
-		if (defined('PHPUNIT_CONFIG_DIR')) {
-			self::$configDir = OC::$SERVERROOT . '/' . PHPUNIT_CONFIG_DIR . '/';
-		} elseif (defined('PHPUNIT_RUN') and PHPUNIT_RUN and is_dir(OC::$SERVERROOT . '/tests/config/')) {
-			self::$configDir = OC::$SERVERROOT . '/tests/config/';
-		} elseif ($dir = getenv('NEXTCLOUD_CONFIG_DIR')) {
-			self::$configDir = rtrim($dir, '/') . '/';
-		} else {
-			self::$configDir = OC::$SERVERROOT . '/config/';
-		}
-		self::$config = new \OC\Config(self::$configDir);
-
-		OC::$SUBURI = str_replace("\\", "/", substr(realpath($_SERVER["SCRIPT_FILENAME"]), strlen(OC::$SERVERROOT)));
-		/**
-		 * FIXME: The following lines are required because we can't yet instantiate
-		 *        \OC::$server->getRequest() since \OC::$server does not yet exist.
-		 */
-		$params = [
-			'server' => [
-				'SCRIPT_NAME' => $_SERVER['SCRIPT_NAME'],
-				'SCRIPT_FILENAME' => $_SERVER['SCRIPT_FILENAME'],
-			],
-		];
-		$fakeRequest = new \OC\AppFramework\Http\Request($params, new \OC\Security\SecureRandom(), new \OC\AllConfig(new \OC\SystemConfig(self::$config)));
-		$scriptName = $fakeRequest->getScriptName();
-		if (substr($scriptName, -1) == '/') {
-			$scriptName .= 'index.php';
-			//make sure suburi follows the same rules as scriptName
-			if (substr(OC::$SUBURI, -9) != 'index.php') {
-				if (substr(OC::$SUBURI, -1) != '/') {
-					OC::$SUBURI = OC::$SUBURI . '/';
-				}
-				OC::$SUBURI = OC::$SUBURI . 'index.php';
-			}
-		}
-
-
-		if (OC::$CLI) {
-			OC::$WEBROOT = self::$config->getValue('overwritewebroot', '');
-		} else {
-			if (substr($scriptName, 0 - strlen(OC::$SUBURI)) === OC::$SUBURI) {
-				OC::$WEBROOT = substr($scriptName, 0, 0 - strlen(OC::$SUBURI));
-
-				if (OC::$WEBROOT != '' && OC::$WEBROOT[0] !== '/') {
-					OC::$WEBROOT = '/' . OC::$WEBROOT;
-				}
-			} else {
-				// The scriptName is not ending with OC::$SUBURI
-				// This most likely means that we are calling from CLI.
-				// However some cron jobs still need to generate
-				// a web URL, so we use overwritewebroot as a fallback.
-				OC::$WEBROOT = self::$config->getValue('overwritewebroot', '');
-			}
-
-			// Resolve /nextcloud to /nextcloud/ to ensure to always have a trailing
-			// slash which is required by URL generation.
-			if (isset($_SERVER['REQUEST_URI']) && $_SERVER['REQUEST_URI'] === \OC::$WEBROOT &&
-					substr($_SERVER['REQUEST_URI'], -1) !== '/') {
-				header('Location: '.\OC::$WEBROOT.'/');
-				exit();
-			}
-		}
-
-		// search the apps folder
-		$config_paths = self::$config->getValue('apps_paths', []);
-		if (!empty($config_paths)) {
-			foreach ($config_paths as $paths) {
-				if (isset($paths['url']) && isset($paths['path'])) {
-					$paths['url'] = rtrim($paths['url'], '/');
-					$paths['path'] = rtrim($paths['path'], '/');
-					OC::$APPSROOTS[] = $paths;
-				}
-			}
-		} elseif (file_exists(OC::$SERVERROOT . '/apps')) {
-			OC::$APPSROOTS[] = ['path' => OC::$SERVERROOT . '/apps', 'url' => '/apps', 'writable' => true];
-		} elseif (file_exists(OC::$SERVERROOT . '/../apps')) {
-			OC::$APPSROOTS[] = [
-				'path' => rtrim(dirname(OC::$SERVERROOT), '/') . '/apps',
-				'url' => '/apps',
-				'writable' => true
-			];
-		}
-
-		if (empty(OC::$APPSROOTS)) {
-			throw new \RuntimeException('apps directory not found! Please put the Nextcloud apps folder in the Nextcloud folder'
-				. ' or the folder above. You can also configure the location in the config.php file.');
-		}
-		$paths = [];
-		foreach (OC::$APPSROOTS as $path) {
-			$paths[] = $path['path'];
-			if (!is_dir($path['path'])) {
-				throw new \RuntimeException(sprintf('App directory "%s" not found! Please put the Nextcloud apps folder in the'
-					. ' Nextcloud folder or the folder above. You can also configure the location in the'
-					. ' config.php file.', $path['path']));
-			}
-		}
-
-		// set the right include path
-		set_include_path(
-			implode(PATH_SEPARATOR, $paths)
-		);
-	}
-
-	public static function checkConfig() {
-		$l = \OC::$server->getL10N('lib');
-
-		// Create config if it does not already exist
-		$configFilePath = self::$configDir .'/config.php';
-		if (!file_exists($configFilePath)) {
-			@touch($configFilePath);
-		}
-
-		// Check if config is writable
-		$configFileWritable = is_writable($configFilePath);
-		if (!$configFileWritable && !OC_Helper::isReadOnlyConfigEnabled()
-			|| !$configFileWritable && \OCP\Util::needUpgrade()) {
-			$urlGenerator = \OC::$server->getURLGenerator();
-
-			if (self::$CLI) {
-				echo $l->t('Cannot write into "config" directory!')."\n";
-				echo $l->t('This can usually be fixed by giving the webserver write access to the config directory')."\n";
-				echo "\n";
-				echo $l->t('Or, if you prefer to keep config.php file read only, set the option "config_is_read_only" to true in it.')."\n";
-				echo $l->t('See %s', [ $urlGenerator->linkToDocs('admin-config') ])."\n";
-				exit;
-			} else {
-				OC_Template::printErrorPage(
-					$l->t('Cannot write into "config" directory!'),
-					$l->t('This can usually be fixed by giving the webserver write access to the config directory.') . '. '
-					. $l->t('Or, if you prefer to keep config.php file read only, set the option "config_is_read_only" to true in it. See %s',
-					[ $urlGenerator->linkToDocs('admin-config') ]),
-					503
-				);
-			}
-		}
-	}
-
-	public static function checkInstalled() {
-		if (defined('OC_CONSOLE')) {
-			return;
-		}
-		// Redirect to installer if not installed
-		if (!\OC::$server->getSystemConfig()->getValue('installed', false) && OC::$SUBURI !== '/index.php' && OC::$SUBURI !== '/status.php') {
-			if (OC::$CLI) {
-				throw new Exception('Not installed');
-			} else {
-				$url = OC::$WEBROOT . '/index.php';
-				header('Location: ' . $url);
-			}
-			exit();
-		}
-	}
-
-	public static function checkMaintenanceMode() {
-		// Allow ajax update script to execute without being stopped
-		if (((bool) \OC::$server->getSystemConfig()->getValue('maintenance', false)) && OC::$SUBURI != '/core/ajax/update.php') {
-			// send http status 503
-			http_response_code(503);
-			header('Retry-After: 120');
-
-			// render error page
-			$template = new OC_Template('', 'update.user', 'guest');
-			OC_Util::addScript('dist/maintenance');
-			OC_Util::addStyle('core', 'guest');
-			$template->printPage();
-			die();
-		}
-	}
-
-	/**
-	 * Prints the upgrade page
-	 *
-	 * @param \OC\SystemConfig $systemConfig
-	 */
-	private static function printUpgradePage(\OC\SystemConfig $systemConfig) {
-		$disableWebUpdater = $systemConfig->getValue('upgrade.disable-web', false);
-		$tooBig = false;
-		if (!$disableWebUpdater) {
-			$apps = \OC::$server->getAppManager();
-			if ($apps->isInstalled('user_ldap')) {
-				$qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
-
-				$result = $qb->select($qb->func()->count('*', 'user_count'))
-					->from('ldap_user_mapping')
-					->execute();
-				$row = $result->fetch();
-				$result->closeCursor();
-
-				$tooBig = ($row['user_count'] > 50);
-			}
-			if (!$tooBig && $apps->isInstalled('user_saml')) {
-				$qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
-
-				$result = $qb->select($qb->func()->count('*', 'user_count'))
-					->from('user_saml_users')
-					->execute();
-				$row = $result->fetch();
-				$result->closeCursor();
-
-				$tooBig = ($row['user_count'] > 50);
-			}
-			if (!$tooBig) {
-				// count users
-				$stats = \OC::$server->getUserManager()->countUsers();
-				$totalUsers = array_sum($stats);
-				$tooBig = ($totalUsers > 50);
-			}
-		}
-		$ignoreTooBigWarning = isset($_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup']) &&
-			$_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup'] === 'IAmSuperSureToDoThis';
-
-		if ($disableWebUpdater || ($tooBig && !$ignoreTooBigWarning)) {
-			// send http status 503
-			http_response_code(503);
-			header('Retry-After: 120');
-
-			// render error page
-			$template = new OC_Template('', 'update.use-cli', 'guest');
-			$template->assign('productName', 'nextcloud'); // for now
-			$template->assign('version', OC_Util::getVersionString());
-			$template->assign('tooBig', $tooBig);
-
-			$template->printPage();
-			die();
-		}
-
-		// check whether this is a core update or apps update
-		$installedVersion = $systemConfig->getValue('version', '0.0.0');
-		$currentVersion = implode('.', \OCP\Util::getVersion());
-
-		// if not a core upgrade, then it's apps upgrade
-		$isAppsOnlyUpgrade = version_compare($currentVersion, $installedVersion, '=');
-
-		$oldTheme = $systemConfig->getValue('theme');
-		$systemConfig->setValue('theme', '');
-		OC_Util::addScript('update');
-
-		/** @var \OC\App\AppManager $appManager */
-		$appManager = \OC::$server->getAppManager();
-
-		$tmpl = new OC_Template('', 'update.admin', 'guest');
-		$tmpl->assign('version', OC_Util::getVersionString());
-		$tmpl->assign('isAppsOnlyUpgrade', $isAppsOnlyUpgrade);
-
-		// get third party apps
-		$ocVersion = \OCP\Util::getVersion();
-		$ocVersion = implode('.', $ocVersion);
-		$incompatibleApps = $appManager->getIncompatibleApps($ocVersion);
-		$incompatibleShippedApps = [];
-		foreach ($incompatibleApps as $appInfo) {
-			if ($appManager->isShipped($appInfo['id'])) {
-				$incompatibleShippedApps[] = $appInfo['name'] . ' (' . $appInfo['id'] . ')';
-			}
-		}
-
-		if (!empty($incompatibleShippedApps)) {
-			$l = \OC::$server->getL10N('core');
-			$hint = $l->t('The files of the app %1$s were not replaced correctly. Make sure it is a version compatible with the server.', [implode(', ', $incompatibleShippedApps)]);
-			throw new \OC\HintException('The files of the app ' . implode(', ', $incompatibleShippedApps) . ' were not replaced correctly. Make sure it is a version compatible with the server.', $hint);
-		}
-
-		$tmpl->assign('appsToUpgrade', $appManager->getAppsNeedingUpgrade($ocVersion));
-		$tmpl->assign('incompatibleAppsList', $incompatibleApps);
-		$tmpl->assign('productName', 'Nextcloud'); // for now
-		$tmpl->assign('oldTheme', $oldTheme);
-		$tmpl->printPage();
-	}
-
-	public static function initSession() {
-		if (self::$server->getRequest()->getServerProtocol() === 'https') {
-			ini_set('session.cookie_secure', true);
-		}
-
-		// prevents javascript from accessing php session cookies
-		ini_set('session.cookie_httponly', 'true');
-
-		// set the cookie path to the Nextcloud directory
-		$cookie_path = OC::$WEBROOT ? : '/';
-		ini_set('session.cookie_path', $cookie_path);
-
-		// Let the session name be changed in the initSession Hook
-		$sessionName = OC_Util::getInstanceId();
-
-		try {
-			// set the session name to the instance id - which is unique
-			$session = new \OC\Session\Internal($sessionName);
-
-			$cryptoWrapper = \OC::$server->getSessionCryptoWrapper();
-			$session = $cryptoWrapper->wrapSession($session);
-			self::$server->setSession($session);
-
-			// if session can't be started break with http 500 error
-		} catch (Exception $e) {
-			\OC::$server->getLogger()->logException($e, ['app' => 'base']);
-			//show the user a detailed error page
-			OC_Template::printExceptionErrorPage($e, 500);
-			die();
-		}
-
-		$sessionLifeTime = self::getSessionLifeTime();
-
-		// session timeout
-		if ($session->exists('LAST_ACTIVITY') && (time() - $session->get('LAST_ACTIVITY') > $sessionLifeTime)) {
-			if (isset($_COOKIE[session_name()])) {
-				setcookie(session_name(), '', -1, self::$WEBROOT ? : '/');
-			}
-			\OC::$server->getUserSession()->logout();
-		}
-
-		$session->set('LAST_ACTIVITY', time());
-	}
-
-	/**
-	 * @return string
-	 */
-	private static function getSessionLifeTime() {
-		return \OC::$server->getConfig()->getSystemValue('session_lifetime', 60 * 60 * 24);
-	}
-
-	/**
-	 * Try to set some values to the required Nextcloud default
-	 */
-	public static function setRequiredIniValues() {
-		@ini_set('default_charset', 'UTF-8');
-		@ini_set('gd.jpeg_ignore_warning', '1');
-	}
-
-	/**
-	 * Send the same site cookies
-	 */
-	private static function sendSameSiteCookies() {
-		$cookieParams = session_get_cookie_params();
-		$secureCookie = ($cookieParams['secure'] === true) ? 'secure; ' : '';
-		$policies = [
-			'lax',
-			'strict',
-		];
-
-		// Append __Host to the cookie if it meets the requirements
-		$cookiePrefix = '';
-		if ($cookieParams['secure'] === true && $cookieParams['path'] === '/') {
-			$cookiePrefix = '__Host-';
-		}
-
-		foreach ($policies as $policy) {
-			header(
-				sprintf(
-					'Set-Cookie: %snc_sameSiteCookie%s=true; path=%s; httponly;' . $secureCookie . 'expires=Fri, 31-Dec-2100 23:59:59 GMT; SameSite=%s',
-					$cookiePrefix,
-					$policy,
-					$cookieParams['path'],
-					$policy
-				),
-				false
-			);
-		}
-	}
-
-	/**
-	 * Same Site cookie to further mitigate CSRF attacks. This cookie has to
-	 * be set in every request if cookies are sent to add a second level of
-	 * defense against CSRF.
-	 *
-	 * If the cookie is not sent this will set the cookie and reload the page.
-	 * We use an additional cookie since we want to protect logout CSRF and
-	 * also we can't directly interfere with PHP's session mechanism.
-	 */
-	private static function performSameSiteCookieProtection() {
-		$request = \OC::$server->getRequest();
-
-		// Some user agents are notorious and don't really properly follow HTTP
-		// specifications. For those, have an automated opt-out. Since the protection
-		// for remote.php is applied in base.php as starting point we need to opt out
-		// here.
-		$incompatibleUserAgents = \OC::$server->getConfig()->getSystemValue('csrf.optout');
-
-		// Fallback, if csrf.optout is unset
-		if (!is_array($incompatibleUserAgents)) {
-			$incompatibleUserAgents = [
-				// OS X Finder
-				'/^WebDAVFS/',
-				// Windows webdav drive
-				'/^Microsoft-WebDAV-MiniRedir/',
-			];
-		}
-
-		if ($request->isUserAgent($incompatibleUserAgents)) {
-			return;
-		}
-
-		if (count($_COOKIE) > 0) {
-			$requestUri = $request->getScriptName();
-			$processingScript = explode('/', $requestUri);
-			$processingScript = $processingScript[count($processingScript) - 1];
-
-			// index.php routes are handled in the middleware
-			if ($processingScript === 'index.php') {
-				return;
-			}
-
-			// All other endpoints require the lax and the strict cookie
-			if (!$request->passesStrictCookieCheck()) {
-				self::sendSameSiteCookies();
-				// Debug mode gets access to the resources without strict cookie
-				// due to the fact that the SabreDAV browser also lives there.
-				if (!\OC::$server->getConfig()->getSystemValue('debug', false)) {
-					http_response_code(\OCP\AppFramework\Http::STATUS_SERVICE_UNAVAILABLE);
-					exit();
-				}
-			}
-		} elseif (!isset($_COOKIE['nc_sameSiteCookielax']) || !isset($_COOKIE['nc_sameSiteCookiestrict'])) {
-			self::sendSameSiteCookies();
-		}
-	}
-
-	public static function init() {
-		// calculate the root directories
-		OC::$SERVERROOT = str_replace("\\", '/', substr(__DIR__, 0, -4));
-
-		// register autoloader
-		$loaderStart = microtime(true);
-		require_once __DIR__ . '/autoloader.php';
-		self::$loader = new \OC\Autoloader([
-			OC::$SERVERROOT . '/lib/private/legacy',
-		]);
-		if (defined('PHPUNIT_RUN')) {
-			self::$loader->addValidRoot(OC::$SERVERROOT . '/tests');
-		}
-		spl_autoload_register([self::$loader, 'load']);
-		$loaderEnd = microtime(true);
-
-		self::$CLI = (php_sapi_name() == 'cli');
-
-		// Add default composer PSR-4 autoloader
-		self::$composerAutoloader = require_once OC::$SERVERROOT . '/lib/composer/autoload.php';
-
-		try {
-			self::initPaths();
-			// setup 3rdparty autoloader
-			$vendorAutoLoad = OC::$SERVERROOT. '/3rdparty/autoload.php';
-			if (!file_exists($vendorAutoLoad)) {
-				throw new \RuntimeException('Composer autoloader not found, unable to continue. Check the folder "3rdparty". Running "git submodule update --init" will initialize the git submodule that handles the subfolder "3rdparty".');
-			}
-			require_once $vendorAutoLoad;
-		} catch (\RuntimeException $e) {
-			if (!self::$CLI) {
-				http_response_code(503);
-			}
-			// we can't use the template error page here, because this needs the
-			// DI container which isn't available yet
-			print($e->getMessage());
-			exit();
-		}
-
-		// setup the basic server
-		self::$server = new \OC\Server(\OC::$WEBROOT, self::$config);
-		self::$server->boot();
-		\OC::$server->getEventLogger()->log('autoloader', 'Autoloader', $loaderStart, $loaderEnd);
-		\OC::$server->getEventLogger()->start('boot', 'Initialize');
-
-		// Override php.ini and log everything if we're troubleshooting
-		if (self::$config->getValue('loglevel') === ILogger::DEBUG) {
-			error_reporting(E_ALL);
-		}
-
-		// Don't display errors and log them
-		@ini_set('display_errors', '0');
-		@ini_set('log_errors', '1');
-
-		if (!date_default_timezone_set('UTC')) {
-			throw new \RuntimeException('Could not set timezone to UTC');
-		}
-
-		//try to configure php to enable big file uploads.
-		//this doesn´t work always depending on the webserver and php configuration.
-		//Let´s try to overwrite some defaults anyway
-
-		//try to set the maximum execution time to 60min
-		if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
-			@set_time_limit(3600);
-		}
-		@ini_set('max_execution_time', '3600');
-		@ini_set('max_input_time', '3600');
-
-		//try to set the maximum filesize to 10G
-		@ini_set('upload_max_filesize', '10G');
-		@ini_set('post_max_size', '10G');
-		@ini_set('file_uploads', '50');
-
-		self::setRequiredIniValues();
-		self::handleAuthHeaders();
-		self::registerAutoloaderCache();
-
-		// initialize intl fallback is necessary
-		\Patchwork\Utf8\Bootup::initIntl();
-		OC_Util::isSetLocaleWorking();
-
-		if (!defined('PHPUNIT_RUN')) {
-			OC\Log\ErrorHandler::setLogger(\OC::$server->getLogger());
-			$debug = \OC::$server->getConfig()->getSystemValue('debug', false);
-			OC\Log\ErrorHandler::register($debug);
-		}
-
-		/** @var \OC\AppFramework\Bootstrap\Coordinator $bootstrapCoordinator */
-		$bootstrapCoordinator = \OC::$server->query(\OC\AppFramework\Bootstrap\Coordinator::class);
-		$bootstrapCoordinator->runInitialRegistration();
-
-		\OC::$server->getEventLogger()->start('init_session', 'Initialize session');
-		OC_App::loadApps(['session']);
-		if (!self::$CLI) {
-			self::initSession();
-		}
-		\OC::$server->getEventLogger()->end('init_session');
-		self::checkConfig();
-		self::checkInstalled();
-
-		OC_Response::addSecurityHeaders();
-
-		self::performSameSiteCookieProtection();
-
-		if (!defined('OC_CONSOLE')) {
-			$errors = OC_Util::checkServer(\OC::$server->getSystemConfig());
-			if (count($errors) > 0) {
-				if (!self::$CLI) {
-					http_response_code(503);
-					OC_Util::addStyle('guest');
-					try {
-						OC_Template::printGuestPage('', 'error', ['errors' => $errors]);
-						exit;
-					} catch (\Exception $e) {
-						// In case any error happens when showing the error page, we simply fall back to posting the text.
-						// This might be the case when e.g. the data directory is broken and we can not load/write SCSS to/from it.
-					}
-				}
-
-				// Convert l10n string into regular string for usage in database
-				$staticErrors = [];
-				foreach ($errors as $error) {
-					echo $error['error'] . "\n";
-					echo $error['hint'] . "\n\n";
-					$staticErrors[] = [
-						'error' => (string)$error['error'],
-						'hint' => (string)$error['hint'],
-					];
-				}
-
-				try {
-					\OC::$server->getConfig()->setAppValue('core', 'cronErrors', json_encode($staticErrors));
-				} catch (\Exception $e) {
-					echo('Writing to database failed');
-				}
-				exit(1);
-			} elseif (self::$CLI && \OC::$server->getConfig()->getSystemValue('installed', false)) {
-				\OC::$server->getConfig()->deleteAppValue('core', 'cronErrors');
-			}
-		}
-		//try to set the session lifetime
-		$sessionLifeTime = self::getSessionLifeTime();
-		@ini_set('gc_maxlifetime', (string)$sessionLifeTime);
-
-		$systemConfig = \OC::$server->getSystemConfig();
-
-		// User and Groups
-		if (!$systemConfig->getValue("installed", false)) {
-			self::$server->getSession()->set('user_id', '');
-		}
-
-		OC_User::useBackend(new \OC\User\Database());
-		\OC::$server->getGroupManager()->addBackend(new \OC\Group\Database());
-
-		// Subscribe to the hook
-		\OCP\Util::connectHook(
-			'\OCA\Files_Sharing\API\Server2Server',
-			'preLoginNameUsedAsUserName',
-			'\OC\User\Database',
-			'preLoginNameUsedAsUserName'
-		);
-
-		//setup extra user backends
-		if (!\OCP\Util::needUpgrade()) {
-			OC_User::setupBackends();
-		} else {
-			// Run upgrades in incognito mode
-			OC_User::setIncognitoMode(true);
-		}
-
-		self::registerCleanupHooks();
-		self::registerFilesystemHooks();
-		self::registerShareHooks();
-		self::registerEncryptionWrapper();
-		self::registerEncryptionHooks();
-		self::registerAccountHooks();
-		self::registerResourceCollectionHooks();
-		self::registerAppRestrictionsHooks();
-
-		// Make sure that the application class is not loaded before the database is setup
-		if ($systemConfig->getValue("installed", false)) {
-			OC_App::loadApp('settings');
-		}
-
-		//make sure temporary files are cleaned up
-		$tmpManager = \OC::$server->getTempManager();
-		register_shutdown_function([$tmpManager, 'clean']);
-		$lockProvider = \OC::$server->getLockingProvider();
-		register_shutdown_function([$lockProvider, 'releaseAll']);
-
-		// Check whether the sample configuration has been copied
-		if ($systemConfig->getValue('copied_sample_config', false)) {
-			$l = \OC::$server->getL10N('lib');
-			OC_Template::printErrorPage(
-				$l->t('Sample configuration detected'),
-				$l->t('It has been detected that the sample configuration has been copied. This can break your installation and is unsupported. Please read the documentation before performing changes on config.php'),
-				503
-			);
-			return;
-		}
-
-		$request = \OC::$server->getRequest();
-		$host = $request->getInsecureServerHost();
-		/**
-		 * if the host passed in headers isn't trusted
-		 * FIXME: Should not be in here at all :see_no_evil:
-		 */
-		if (!OC::$CLI
-			&& !\OC::$server->getTrustedDomainHelper()->isTrustedDomain($host)
-			&& self::$server->getConfig()->getSystemValue('installed', false)
-		) {
-			// Allow access to CSS resources
-			$isScssRequest = false;
-			if (strpos($request->getPathInfo(), '/css/') === 0) {
-				$isScssRequest = true;
-			}
-
-			if (substr($request->getRequestUri(), -11) === '/status.php') {
-				http_response_code(400);
-				header('Content-Type: application/json');
-				echo '{"error": "Trusted domain error.", "code": 15}';
-				exit();
-			}
-
-			if (!$isScssRequest) {
-				http_response_code(400);
-
-				\OC::$server->getLogger()->info(
-					'Trusted domain error. "{remoteAddress}" tried to access using "{host}" as host.',
-					[
-						'app' => 'core',
-						'remoteAddress' => $request->getRemoteAddress(),
-						'host' => $host,
-					]
-				);
-
-				$tmpl = new OCP\Template('core', 'untrustedDomain', 'guest');
-				$tmpl->assign('docUrl', \OC::$server->getURLGenerator()->linkToDocs('admin-trusted-domains'));
-				$tmpl->printPage();
-
-				exit();
-			}
-		}
-		\OC::$server->getEventLogger()->end('boot');
-	}
-
-	/**
-	 * register hooks for the cleanup of cache and bruteforce protection
-	 */
-	public static function registerCleanupHooks() {
-		//don't try to do this before we are properly setup
-		if (\OC::$server->getSystemConfig()->getValue('installed', false) && !\OCP\Util::needUpgrade()) {
-
-			// NOTE: This will be replaced to use OCP
-			$userSession = self::$server->getUserSession();
-			$userSession->listen('\OC\User', 'postLogin', function () use ($userSession) {
-				if (!defined('PHPUNIT_RUN') && $userSession->isLoggedIn()) {
-					// reset brute force delay for this IP address and username
-					$uid = \OC::$server->getUserSession()->getUser()->getUID();
-					$request = \OC::$server->getRequest();
-					$throttler = \OC::$server->getBruteForceThrottler();
-					$throttler->resetDelay($request->getRemoteAddress(), 'login', ['user' => $uid]);
-				}
-
-				try {
-					$cache = new \OC\Cache\File();
-					$cache->gc();
-				} catch (\OC\ServerNotAvailableException $e) {
-					// not a GC exception, pass it on
-					throw $e;
-				} catch (\OC\ForbiddenException $e) {
-					// filesystem blocked for this request, ignore
-				} catch (\Exception $e) {
-					// a GC exception should not prevent users from using OC,
-					// so log the exception
-					\OC::$server->getLogger()->logException($e, [
-						'message' => 'Exception when running cache gc.',
-						'level' => ILogger::WARN,
-						'app' => 'core',
-					]);
-				}
-			});
-		}
-	}
-
-	private static function registerEncryptionWrapper() {
-		$manager = self::$server->getEncryptionManager();
-		\OCP\Util::connectHook('OC_Filesystem', 'preSetup', $manager, 'setupStorage');
-	}
-
-	private static function registerEncryptionHooks() {
-		$enabled = self::$server->getEncryptionManager()->isEnabled();
-		if ($enabled) {
-			\OCP\Util::connectHook(Share::class, 'post_shared', HookManager::class, 'postShared');
-			\OCP\Util::connectHook(Share::class, 'post_unshare', HookManager::class, 'postUnshared');
-			\OCP\Util::connectHook('OC_Filesystem', 'post_rename', HookManager::class, 'postRename');
-			\OCP\Util::connectHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', HookManager::class, 'postRestore');
-		}
-	}
-
-	private static function registerAccountHooks() {
-		$hookHandler = \OC::$server->get(\OC\Accounts\Hooks::class);
-		\OCP\Util::connectHook('OC_User', 'changeUser', $hookHandler, 'changeUserHook');
-	}
-
-	private static function registerAppRestrictionsHooks() {
-		/** @var \OC\Group\Manager $groupManager */
-		$groupManager = self::$server->query(\OCP\IGroupManager::class);
-		$groupManager->listen('\OC\Group', 'postDelete', function (\OCP\IGroup $group) {
-			$appManager = self::$server->getAppManager();
-			$apps = $appManager->getEnabledAppsForGroup($group);
-			foreach ($apps as $appId) {
-				$restrictions = $appManager->getAppRestriction($appId);
-				if (empty($restrictions)) {
-					continue;
-				}
-				$key = array_search($group->getGID(), $restrictions);
-				unset($restrictions[$key]);
-				$restrictions = array_values($restrictions);
-				if (empty($restrictions)) {
-					$appManager->disableApp($appId);
-				} else {
-					$appManager->enableAppForGroups($appId, $restrictions);
-				}
-			}
-		});
-	}
-
-	private static function registerResourceCollectionHooks() {
-		\OC\Collaboration\Resources\Listener::register(\OC::$server->getEventDispatcher());
-	}
-
-	/**
-	 * register hooks for the filesystem
-	 */
-	public static function registerFilesystemHooks() {
-		// Check for blacklisted files
-		OC_Hook::connect('OC_Filesystem', 'write', Filesystem::class, 'isBlacklisted');
-		OC_Hook::connect('OC_Filesystem', 'rename', Filesystem::class, 'isBlacklisted');
-	}
-
-	/**
-	 * register hooks for sharing
-	 */
-	public static function registerShareHooks() {
-		if (\OC::$server->getSystemConfig()->getValue('installed')) {
-			OC_Hook::connect('OC_User', 'post_deleteUser', Hooks::class, 'post_deleteUser');
-			OC_Hook::connect('OC_User', 'post_deleteGroup', Hooks::class, 'post_deleteGroup');
-
-			/** @var IEventDispatcher $dispatcher */
-			$dispatcher = \OC::$server->get(IEventDispatcher::class);
-			$dispatcher->addServiceListener(UserRemovedEvent::class, \OC\Share20\UserRemovedListener::class);
-		}
-	}
-
-	protected static function registerAutoloaderCache() {
-		// The class loader takes an optional low-latency cache, which MUST be
-		// namespaced. The instanceid is used for namespacing, but might be
-		// unavailable at this point. Furthermore, it might not be possible to
-		// generate an instanceid via \OC_Util::getInstanceId() because the
-		// config file may not be writable. As such, we only register a class
-		// loader cache if instanceid is available without trying to create one.
-		$instanceId = \OC::$server->getSystemConfig()->getValue('instanceid', null);
-		if ($instanceId) {
-			try {
-				$memcacheFactory = \OC::$server->getMemCacheFactory();
-				self::$loader->setMemoryCache($memcacheFactory->createLocal('Autoloader'));
-			} catch (\Exception $ex) {
-			}
-		}
-	}
-
-	/**
-	 * Handle the request
-	 */
-	public static function handleRequest() {
-		\OC::$server->getEventLogger()->start('handle_request', 'Handle request');
-		$systemConfig = \OC::$server->getSystemConfig();
-
-		// Check if Nextcloud is installed or in maintenance (update) mode
-		if (!$systemConfig->getValue('installed', false)) {
-			\OC::$server->getSession()->clear();
-			$setupHelper = new OC\Setup(
-				$systemConfig,
-				\OC::$server->get(\bantu\IniGetWrapper\IniGetWrapper::class),
-				\OC::$server->getL10N('lib'),
-				\OC::$server->query(\OCP\Defaults::class),
-				\OC::$server->getLogger(),
-				\OC::$server->getSecureRandom(),
-				\OC::$server->query(\OC\Installer::class)
-			);
-			$controller = new OC\Core\Controller\SetupController($setupHelper);
-			$controller->run($_POST);
-			exit();
-		}
-
-		$request = \OC::$server->getRequest();
-		$requestPath = $request->getRawPathInfo();
-		if ($requestPath === '/heartbeat') {
-			return;
-		}
-		if (substr($requestPath, -3) !== '.js') { // we need these files during the upgrade
-			self::checkMaintenanceMode();
-
-			if (\OCP\Util::needUpgrade()) {
-				if (function_exists('opcache_reset')) {
-					opcache_reset();
-				}
-				if (!((bool) $systemConfig->getValue('maintenance', false))) {
-					self::printUpgradePage($systemConfig);
-					exit();
-				}
-			}
-		}
-
-		// emergency app disabling
-		if ($requestPath === '/disableapp'
-			&& $request->getMethod() === 'POST'
-			&& ((array)$request->getParam('appid')) !== ''
-		) {
-			\OC_JSON::callCheck();
-			\OC_JSON::checkAdminUser();
-			$appIds = (array)$request->getParam('appid');
-			foreach ($appIds as $appId) {
-				$appId = \OC_App::cleanAppId($appId);
-				\OC::$server->getAppManager()->disableApp($appId);
-			}
-			\OC_JSON::success();
-			exit();
-		}
-
-		// Always load authentication apps
-		OC_App::loadApps(['authentication']);
-
-		// Load minimum set of apps
-		if (!\OCP\Util::needUpgrade()
-			&& !((bool) $systemConfig->getValue('maintenance', false))) {
-			// For logged-in users: Load everything
-			if (\OC::$server->getUserSession()->isLoggedIn()) {
-				OC_App::loadApps();
-			} else {
-				// For guests: Load only filesystem and logging
-				OC_App::loadApps(['filesystem', 'logging']);
-				self::handleLogin($request);
-			}
-		}
-
-		if (!self::$CLI) {
-			try {
-				if (!((bool) $systemConfig->getValue('maintenance', false)) && !\OCP\Util::needUpgrade()) {
-					OC_App::loadApps(['filesystem', 'logging']);
-					OC_App::loadApps();
-				}
-				OC::$server->get(\OC\Route\Router::class)->match(\OC::$server->getRequest()->getRawPathInfo());
-				return;
-			} catch (Symfony\Component\Routing\Exception\ResourceNotFoundException $e) {
-				//header('HTTP/1.0 404 Not Found');
-			} catch (Symfony\Component\Routing\Exception\MethodNotAllowedException $e) {
-				http_response_code(405);
-				return;
-			}
-		}
-
-		// Handle WebDAV
-		if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PROPFIND') {
-			// not allowed any more to prevent people
-			// mounting this root directly.
-			// Users need to mount remote.php/webdav instead.
-			http_response_code(405);
-			return;
-		}
-
-		// Someone is logged in
-		if (\OC::$server->getUserSession()->isLoggedIn()) {
-			OC_App::loadApps();
-			OC_User::setupBackends();
-			OC_Util::setupFS();
-			// FIXME
-			// Redirect to default application
-			OC_Util::redirectToDefaultPage();
-		} else {
-			// Not handled and not logged in
-			header('Location: '.\OC::$server->getURLGenerator()->linkToRouteAbsolute('core.login.showLoginForm'));
-		}
-	}
-
-	/**
-	 * Check login: apache auth, auth token, basic auth
-	 *
-	 * @param OCP\IRequest $request
-	 * @return boolean
-	 */
-	public static function handleLogin(OCP\IRequest $request) {
-		$userSession = self::$server->getUserSession();
-		if (OC_User::handleApacheAuth()) {
-			return true;
-		}
-		if ($userSession->tryTokenLogin($request)) {
-			return true;
-		}
-		if (isset($_COOKIE['nc_username'])
-			&& isset($_COOKIE['nc_token'])
-			&& isset($_COOKIE['nc_session_id'])
-			&& $userSession->loginWithCookie($_COOKIE['nc_username'], $_COOKIE['nc_token'], $_COOKIE['nc_session_id'])) {
-			return true;
-		}
-		if ($userSession->tryBasicAuthLogin($request, \OC::$server->getBruteForceThrottler())) {
-			return true;
-		}
-		return false;
-	}
-
-	protected static function handleAuthHeaders() {
-		//copy http auth headers for apache+php-fcgid work around
-		if (isset($_SERVER['HTTP_XAUTHORIZATION']) && !isset($_SERVER['HTTP_AUTHORIZATION'])) {
-			$_SERVER['HTTP_AUTHORIZATION'] = $_SERVER['HTTP_XAUTHORIZATION'];
-		}
-
-		// Extract PHP_AUTH_USER/PHP_AUTH_PW from other headers if necessary.
-		$vars = [
-			'HTTP_AUTHORIZATION', // apache+php-cgi work around
-			'REDIRECT_HTTP_AUTHORIZATION', // apache+php-cgi alternative
-		];
-		foreach ($vars as $var) {
-			if (isset($_SERVER[$var]) && preg_match('/Basic\s+(.*)$/i', $_SERVER[$var], $matches)) {
-				$credentials = explode(':', base64_decode($matches[1]), 2);
-				if (count($credentials) === 2) {
-					$_SERVER['PHP_AUTH_USER'] = $credentials[0];
-					$_SERVER['PHP_AUTH_PW'] = $credentials[1];
-					break;
-				}
-			}
-		}
-	}
+    /**
+     * Associative array for autoloading. classname => filename
+     */
+    public static $CLASSPATH = [];
+    /**
+     * The installation path for Nextcloud  on the server (e.g. /srv/http/nextcloud)
+     */
+    public static $SERVERROOT = '';
+    /**
+     * the current request path relative to the Nextcloud root (e.g. files/index.php)
+     */
+    private static $SUBURI = '';
+    /**
+     * the Nextcloud root path for http requests (e.g. nextcloud/)
+     */
+    public static $WEBROOT = '';
+    /**
+     * The installation path array of the apps folder on the server (e.g. /srv/http/nextcloud) 'path' and
+     * web path in 'url'
+     */
+    public static $APPSROOTS = [];
+
+    /**
+     * @var string
+     */
+    public static $configDir;
+
+    /**
+     * requested app
+     */
+    public static $REQUESTEDAPP = '';
+
+    /**
+     * check if Nextcloud runs in cli mode
+     */
+    public static $CLI = false;
+
+    /**
+     * @var \OC\Autoloader $loader
+     */
+    public static $loader = null;
+
+    /** @var \Composer\Autoload\ClassLoader $composerAutoloader */
+    public static $composerAutoloader = null;
+
+    /**
+     * @var \OC\Server
+     */
+    public static $server = null;
+
+    /**
+     * @var \OC\Config
+     */
+    private static $config = null;
+
+    /**
+     * @throws \RuntimeException when the 3rdparty directory is missing or
+     * the app path list is empty or contains an invalid path
+     */
+    public static function initPaths() {
+        if (defined('PHPUNIT_CONFIG_DIR')) {
+            self::$configDir = OC::$SERVERROOT . '/' . PHPUNIT_CONFIG_DIR . '/';
+        } elseif (defined('PHPUNIT_RUN') and PHPUNIT_RUN and is_dir(OC::$SERVERROOT . '/tests/config/')) {
+            self::$configDir = OC::$SERVERROOT . '/tests/config/';
+        } elseif ($dir = getenv('NEXTCLOUD_CONFIG_DIR')) {
+            self::$configDir = rtrim($dir, '/') . '/';
+        } else {
+            self::$configDir = OC::$SERVERROOT . '/config/';
+        }
+        self::$config = new \OC\Config(self::$configDir);
+
+        OC::$SUBURI = str_replace("\\", "/", substr(realpath($_SERVER["SCRIPT_FILENAME"]), strlen(OC::$SERVERROOT)));
+        /**
+         * FIXME: The following lines are required because we can't yet instantiate
+         *        \OC::$server->getRequest() since \OC::$server does not yet exist.
+         */
+        $params = [
+            'server' => [
+                'SCRIPT_NAME' => $_SERVER['SCRIPT_NAME'],
+                'SCRIPT_FILENAME' => $_SERVER['SCRIPT_FILENAME'],
+            ],
+        ];
+        $fakeRequest = new \OC\AppFramework\Http\Request($params, new \OC\Security\SecureRandom(), new \OC\AllConfig(new \OC\SystemConfig(self::$config)));
+        $scriptName = $fakeRequest->getScriptName();
+        if (substr($scriptName, -1) == '/') {
+            $scriptName .= 'index.php';
+            //make sure suburi follows the same rules as scriptName
+            if (substr(OC::$SUBURI, -9) != 'index.php') {
+                if (substr(OC::$SUBURI, -1) != '/') {
+                    OC::$SUBURI = OC::$SUBURI . '/';
+                }
+                OC::$SUBURI = OC::$SUBURI . 'index.php';
+            }
+        }
+
+
+        if (OC::$CLI) {
+            OC::$WEBROOT = self::$config->getValue('overwritewebroot', '');
+        } else {
+            if (substr($scriptName, 0 - strlen(OC::$SUBURI)) === OC::$SUBURI) {
+                OC::$WEBROOT = substr($scriptName, 0, 0 - strlen(OC::$SUBURI));
+
+                if (OC::$WEBROOT != '' && OC::$WEBROOT[0] !== '/') {
+                    OC::$WEBROOT = '/' . OC::$WEBROOT;
+                }
+            } else {
+                // The scriptName is not ending with OC::$SUBURI
+                // This most likely means that we are calling from CLI.
+                // However some cron jobs still need to generate
+                // a web URL, so we use overwritewebroot as a fallback.
+                OC::$WEBROOT = self::$config->getValue('overwritewebroot', '');
+            }
+
+            // Resolve /nextcloud to /nextcloud/ to ensure to always have a trailing
+            // slash which is required by URL generation.
+            if (isset($_SERVER['REQUEST_URI']) && $_SERVER['REQUEST_URI'] === \OC::$WEBROOT &&
+                    substr($_SERVER['REQUEST_URI'], -1) !== '/') {
+                header('Location: '.\OC::$WEBROOT.'/');
+                exit();
+            }
+        }
+
+        // search the apps folder
+        $config_paths = self::$config->getValue('apps_paths', []);
+        if (!empty($config_paths)) {
+            foreach ($config_paths as $paths) {
+                if (isset($paths['url']) && isset($paths['path'])) {
+                    $paths['url'] = rtrim($paths['url'], '/');
+                    $paths['path'] = rtrim($paths['path'], '/');
+                    OC::$APPSROOTS[] = $paths;
+                }
+            }
+        } elseif (file_exists(OC::$SERVERROOT . '/apps')) {
+            OC::$APPSROOTS[] = ['path' => OC::$SERVERROOT . '/apps', 'url' => '/apps', 'writable' => true];
+        } elseif (file_exists(OC::$SERVERROOT . '/../apps')) {
+            OC::$APPSROOTS[] = [
+                'path' => rtrim(dirname(OC::$SERVERROOT), '/') . '/apps',
+                'url' => '/apps',
+                'writable' => true
+            ];
+        }
+
+        if (empty(OC::$APPSROOTS)) {
+            throw new \RuntimeException('apps directory not found! Please put the Nextcloud apps folder in the Nextcloud folder'
+                . ' or the folder above. You can also configure the location in the config.php file.');
+        }
+        $paths = [];
+        foreach (OC::$APPSROOTS as $path) {
+            $paths[] = $path['path'];
+            if (!is_dir($path['path'])) {
+                throw new \RuntimeException(sprintf('App directory "%s" not found! Please put the Nextcloud apps folder in the'
+                    . ' Nextcloud folder or the folder above. You can also configure the location in the'
+                    . ' config.php file.', $path['path']));
+            }
+        }
+
+        // set the right include path
+        set_include_path(
+            implode(PATH_SEPARATOR, $paths)
+        );
+    }
+
+    public static function checkConfig() {
+        $l = \OC::$server->getL10N('lib');
+
+        // Create config if it does not already exist
+        $configFilePath = self::$configDir .'/config.php';
+        if (!file_exists($configFilePath)) {
+            @touch($configFilePath);
+        }
+
+        // Check if config is writable
+        $configFileWritable = is_writable($configFilePath);
+        if (!$configFileWritable && !OC_Helper::isReadOnlyConfigEnabled()
+            || !$configFileWritable && \OCP\Util::needUpgrade()) {
+            $urlGenerator = \OC::$server->getURLGenerator();
+
+            if (self::$CLI) {
+                echo $l->t('Cannot write into "config" directory!')."\n";
+                echo $l->t('This can usually be fixed by giving the webserver write access to the config directory')."\n";
+                echo "\n";
+                echo $l->t('Or, if you prefer to keep config.php file read only, set the option "config_is_read_only" to true in it.')."\n";
+                echo $l->t('See %s', [ $urlGenerator->linkToDocs('admin-config') ])."\n";
+                exit;
+            } else {
+                OC_Template::printErrorPage(
+                    $l->t('Cannot write into "config" directory!'),
+                    $l->t('This can usually be fixed by giving the webserver write access to the config directory.') . '. '
+                    . $l->t('Or, if you prefer to keep config.php file read only, set the option "config_is_read_only" to true in it. See %s',
+                    [ $urlGenerator->linkToDocs('admin-config') ]),
+                    503
+                );
+            }
+        }
+    }
+
+    public static function checkInstalled() {
+        if (defined('OC_CONSOLE')) {
+            return;
+        }
+        // Redirect to installer if not installed
+        if (!\OC::$server->getSystemConfig()->getValue('installed', false) && OC::$SUBURI !== '/index.php' && OC::$SUBURI !== '/status.php') {
+            if (OC::$CLI) {
+                throw new Exception('Not installed');
+            } else {
+                $url = OC::$WEBROOT . '/index.php';
+                header('Location: ' . $url);
+            }
+            exit();
+        }
+    }
+
+    public static function checkMaintenanceMode() {
+        // Allow ajax update script to execute without being stopped
+        if (((bool) \OC::$server->getSystemConfig()->getValue('maintenance', false)) && OC::$SUBURI != '/core/ajax/update.php') {
+            // send http status 503
+            http_response_code(503);
+            header('Retry-After: 120');
+
+            // render error page
+            $template = new OC_Template('', 'update.user', 'guest');
+            OC_Util::addScript('dist/maintenance');
+            OC_Util::addStyle('core', 'guest');
+            $template->printPage();
+            die();
+        }
+    }
+
+    /**
+     * Prints the upgrade page
+     *
+     * @param \OC\SystemConfig $systemConfig
+     */
+    private static function printUpgradePage(\OC\SystemConfig $systemConfig) {
+        $disableWebUpdater = $systemConfig->getValue('upgrade.disable-web', false);
+        $tooBig = false;
+        if (!$disableWebUpdater) {
+            $apps = \OC::$server->getAppManager();
+            if ($apps->isInstalled('user_ldap')) {
+                $qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
+
+                $result = $qb->select($qb->func()->count('*', 'user_count'))
+                    ->from('ldap_user_mapping')
+                    ->execute();
+                $row = $result->fetch();
+                $result->closeCursor();
+
+                $tooBig = ($row['user_count'] > 50);
+            }
+            if (!$tooBig && $apps->isInstalled('user_saml')) {
+                $qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
+
+                $result = $qb->select($qb->func()->count('*', 'user_count'))
+                    ->from('user_saml_users')
+                    ->execute();
+                $row = $result->fetch();
+                $result->closeCursor();
+
+                $tooBig = ($row['user_count'] > 50);
+            }
+            if (!$tooBig) {
+                // count users
+                $stats = \OC::$server->getUserManager()->countUsers();
+                $totalUsers = array_sum($stats);
+                $tooBig = ($totalUsers > 50);
+            }
+        }
+        $ignoreTooBigWarning = isset($_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup']) &&
+            $_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup'] === 'IAmSuperSureToDoThis';
+
+        if ($disableWebUpdater || ($tooBig && !$ignoreTooBigWarning)) {
+            // send http status 503
+            http_response_code(503);
+            header('Retry-After: 120');
+
+            // render error page
+            $template = new OC_Template('', 'update.use-cli', 'guest');
+            $template->assign('productName', 'nextcloud'); // for now
+            $template->assign('version', OC_Util::getVersionString());
+            $template->assign('tooBig', $tooBig);
+
+            $template->printPage();
+            die();
+        }
+
+        // check whether this is a core update or apps update
+        $installedVersion = $systemConfig->getValue('version', '0.0.0');
+        $currentVersion = implode('.', \OCP\Util::getVersion());
+
+        // if not a core upgrade, then it's apps upgrade
+        $isAppsOnlyUpgrade = version_compare($currentVersion, $installedVersion, '=');
+
+        $oldTheme = $systemConfig->getValue('theme');
+        $systemConfig->setValue('theme', '');
+        OC_Util::addScript('update');
+
+        /** @var \OC\App\AppManager $appManager */
+        $appManager = \OC::$server->getAppManager();
+
+        $tmpl = new OC_Template('', 'update.admin', 'guest');
+        $tmpl->assign('version', OC_Util::getVersionString());
+        $tmpl->assign('isAppsOnlyUpgrade', $isAppsOnlyUpgrade);
+
+        // get third party apps
+        $ocVersion = \OCP\Util::getVersion();
+        $ocVersion = implode('.', $ocVersion);
+        $incompatibleApps = $appManager->getIncompatibleApps($ocVersion);
+        $incompatibleShippedApps = [];
+        foreach ($incompatibleApps as $appInfo) {
+            if ($appManager->isShipped($appInfo['id'])) {
+                $incompatibleShippedApps[] = $appInfo['name'] . ' (' . $appInfo['id'] . ')';
+            }
+        }
+
+        if (!empty($incompatibleShippedApps)) {
+            $l = \OC::$server->getL10N('core');
+            $hint = $l->t('The files of the app %1$s were not replaced correctly. Make sure it is a version compatible with the server.', [implode(', ', $incompatibleShippedApps)]);
+            throw new \OC\HintException('The files of the app ' . implode(', ', $incompatibleShippedApps) . ' were not replaced correctly. Make sure it is a version compatible with the server.', $hint);
+        }
+
+        $tmpl->assign('appsToUpgrade', $appManager->getAppsNeedingUpgrade($ocVersion));
+        $tmpl->assign('incompatibleAppsList', $incompatibleApps);
+        $tmpl->assign('productName', 'Nextcloud'); // for now
+        $tmpl->assign('oldTheme', $oldTheme);
+        $tmpl->printPage();
+    }
+
+    public static function initSession() {
+        if (self::$server->getRequest()->getServerProtocol() === 'https') {
+            ini_set('session.cookie_secure', true);
+        }
+
+        // prevents javascript from accessing php session cookies
+        ini_set('session.cookie_httponly', 'true');
+
+        // set the cookie path to the Nextcloud directory
+        $cookie_path = OC::$WEBROOT ? : '/';
+        ini_set('session.cookie_path', $cookie_path);
+
+        // Let the session name be changed in the initSession Hook
+        $sessionName = OC_Util::getInstanceId();
+
+        try {
+            // set the session name to the instance id - which is unique
+            $session = new \OC\Session\Internal($sessionName);
+
+            $cryptoWrapper = \OC::$server->getSessionCryptoWrapper();
+            $session = $cryptoWrapper->wrapSession($session);
+            self::$server->setSession($session);
+
+            // if session can't be started break with http 500 error
+        } catch (Exception $e) {
+            \OC::$server->getLogger()->logException($e, ['app' => 'base']);
+            //show the user a detailed error page
+            OC_Template::printExceptionErrorPage($e, 500);
+            die();
+        }
+
+        $sessionLifeTime = self::getSessionLifeTime();
+
+        // session timeout
+        if ($session->exists('LAST_ACTIVITY') && (time() - $session->get('LAST_ACTIVITY') > $sessionLifeTime)) {
+            if (isset($_COOKIE[session_name()])) {
+                setcookie(session_name(), '', -1, self::$WEBROOT ? : '/');
+            }
+            \OC::$server->getUserSession()->logout();
+        }
+
+        $session->set('LAST_ACTIVITY', time());
+    }
+
+    /**
+     * @return string
+     */
+    private static function getSessionLifeTime() {
+        return \OC::$server->getConfig()->getSystemValue('session_lifetime', 60 * 60 * 24);
+    }
+
+    /**
+     * Try to set some values to the required Nextcloud default
+     */
+    public static function setRequiredIniValues() {
+        @ini_set('default_charset', 'UTF-8');
+        @ini_set('gd.jpeg_ignore_warning', '1');
+    }
+
+    /**
+     * Send the same site cookies
+     */
+    private static function sendSameSiteCookies() {
+        $cookieParams = session_get_cookie_params();
+        $secureCookie = ($cookieParams['secure'] === true) ? 'secure; ' : '';
+        $policies = [
+            'lax',
+            'strict',
+        ];
+
+        // Append __Host to the cookie if it meets the requirements
+        $cookiePrefix = '';
+        if ($cookieParams['secure'] === true && $cookieParams['path'] === '/') {
+            $cookiePrefix = '__Host-';
+        }
+
+        foreach ($policies as $policy) {
+            header(
+                sprintf(
+                    'Set-Cookie: %snc_sameSiteCookie%s=true; path=%s; httponly;' . $secureCookie . 'expires=Fri, 31-Dec-2100 23:59:59 GMT; SameSite=%s',
+                    $cookiePrefix,
+                    $policy,
+                    $cookieParams['path'],
+                    $policy
+                ),
+                false
+            );
+        }
+    }
+
+    /**
+     * Same Site cookie to further mitigate CSRF attacks. This cookie has to
+     * be set in every request if cookies are sent to add a second level of
+     * defense against CSRF.
+     *
+     * If the cookie is not sent this will set the cookie and reload the page.
+     * We use an additional cookie since we want to protect logout CSRF and
+     * also we can't directly interfere with PHP's session mechanism.
+     */
+    private static function performSameSiteCookieProtection() {
+        $request = \OC::$server->getRequest();
+
+        // Some user agents are notorious and don't really properly follow HTTP
+        // specifications. For those, have an automated opt-out. Since the protection
+        // for remote.php is applied in base.php as starting point we need to opt out
+        // here.
+        $incompatibleUserAgents = \OC::$server->getConfig()->getSystemValue('csrf.optout');
+
+        // Fallback, if csrf.optout is unset
+        if (!is_array($incompatibleUserAgents)) {
+            $incompatibleUserAgents = [
+                // OS X Finder
+                '/^WebDAVFS/',
+                // Windows webdav drive
+                '/^Microsoft-WebDAV-MiniRedir/',
+            ];
+        }
+
+        if ($request->isUserAgent($incompatibleUserAgents)) {
+            return;
+        }
+
+        if (count($_COOKIE) > 0) {
+            $requestUri = $request->getScriptName();
+            $processingScript = explode('/', $requestUri);
+            $processingScript = $processingScript[count($processingScript) - 1];
+
+            // index.php routes are handled in the middleware
+            if ($processingScript === 'index.php') {
+                return;
+            }
+
+            // All other endpoints require the lax and the strict cookie
+            if (!$request->passesStrictCookieCheck()) {
+                self::sendSameSiteCookies();
+                // Debug mode gets access to the resources without strict cookie
+                // due to the fact that the SabreDAV browser also lives there.
+                if (!\OC::$server->getConfig()->getSystemValue('debug', false)) {
+                    http_response_code(\OCP\AppFramework\Http::STATUS_SERVICE_UNAVAILABLE);
+                    exit();
+                }
+            }
+        } elseif (!isset($_COOKIE['nc_sameSiteCookielax']) || !isset($_COOKIE['nc_sameSiteCookiestrict'])) {
+            self::sendSameSiteCookies();
+        }
+    }
+
+    public static function init() {
+        // calculate the root directories
+        OC::$SERVERROOT = str_replace("\\", '/', substr(__DIR__, 0, -4));
+
+        // register autoloader
+        $loaderStart = microtime(true);
+        require_once __DIR__ . '/autoloader.php';
+        self::$loader = new \OC\Autoloader([
+            OC::$SERVERROOT . '/lib/private/legacy',
+        ]);
+        if (defined('PHPUNIT_RUN')) {
+            self::$loader->addValidRoot(OC::$SERVERROOT . '/tests');
+        }
+        spl_autoload_register([self::$loader, 'load']);
+        $loaderEnd = microtime(true);
+
+        self::$CLI = (php_sapi_name() == 'cli');
+
+        // Add default composer PSR-4 autoloader
+        self::$composerAutoloader = require_once OC::$SERVERROOT . '/lib/composer/autoload.php';
+
+        try {
+            self::initPaths();
+            // setup 3rdparty autoloader
+            $vendorAutoLoad = OC::$SERVERROOT. '/3rdparty/autoload.php';
+            if (!file_exists($vendorAutoLoad)) {
+                throw new \RuntimeException('Composer autoloader not found, unable to continue. Check the folder "3rdparty". Running "git submodule update --init" will initialize the git submodule that handles the subfolder "3rdparty".');
+            }
+            require_once $vendorAutoLoad;
+        } catch (\RuntimeException $e) {
+            if (!self::$CLI) {
+                http_response_code(503);
+            }
+            // we can't use the template error page here, because this needs the
+            // DI container which isn't available yet
+            print($e->getMessage());
+            exit();
+        }
+
+        // setup the basic server
+        self::$server = new \OC\Server(\OC::$WEBROOT, self::$config);
+        self::$server->boot();
+        \OC::$server->getEventLogger()->log('autoloader', 'Autoloader', $loaderStart, $loaderEnd);
+        \OC::$server->getEventLogger()->start('boot', 'Initialize');
+
+        // Override php.ini and log everything if we're troubleshooting
+        if (self::$config->getValue('loglevel') === ILogger::DEBUG) {
+            error_reporting(E_ALL);
+        }
+
+        // Don't display errors and log them
+        @ini_set('display_errors', '0');
+        @ini_set('log_errors', '1');
+
+        if (!date_default_timezone_set('UTC')) {
+            throw new \RuntimeException('Could not set timezone to UTC');
+        }
+
+        //try to configure php to enable big file uploads.
+        //this doesn´t work always depending on the webserver and php configuration.
+        //Let´s try to overwrite some defaults anyway
+
+        //try to set the maximum execution time to 60min
+        if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
+            @set_time_limit(3600);
+        }
+        @ini_set('max_execution_time', '3600');
+        @ini_set('max_input_time', '3600');
+
+        //try to set the maximum filesize to 10G
+        @ini_set('upload_max_filesize', '10G');
+        @ini_set('post_max_size', '10G');
+        @ini_set('file_uploads', '50');
+
+        self::setRequiredIniValues();
+        self::handleAuthHeaders();
+        self::registerAutoloaderCache();
+
+        // initialize intl fallback is necessary
+        \Patchwork\Utf8\Bootup::initIntl();
+        OC_Util::isSetLocaleWorking();
+
+        if (!defined('PHPUNIT_RUN')) {
+            OC\Log\ErrorHandler::setLogger(\OC::$server->getLogger());
+            $debug = \OC::$server->getConfig()->getSystemValue('debug', false);
+            OC\Log\ErrorHandler::register($debug);
+        }
+
+        /** @var \OC\AppFramework\Bootstrap\Coordinator $bootstrapCoordinator */
+        $bootstrapCoordinator = \OC::$server->query(\OC\AppFramework\Bootstrap\Coordinator::class);
+        $bootstrapCoordinator->runInitialRegistration();
+
+        \OC::$server->getEventLogger()->start('init_session', 'Initialize session');
+        OC_App::loadApps(['session']);
+        if (!self::$CLI) {
+            self::initSession();
+        }
+        \OC::$server->getEventLogger()->end('init_session');
+        self::checkConfig();
+        self::checkInstalled();
+
+        OC_Response::addSecurityHeaders();
+
+        self::performSameSiteCookieProtection();
+
+        if (!defined('OC_CONSOLE')) {
+            $errors = OC_Util::checkServer(\OC::$server->getSystemConfig());
+            if (count($errors) > 0) {
+                if (!self::$CLI) {
+                    http_response_code(503);
+                    OC_Util::addStyle('guest');
+                    try {
+                        OC_Template::printGuestPage('', 'error', ['errors' => $errors]);
+                        exit;
+                    } catch (\Exception $e) {
+                        // In case any error happens when showing the error page, we simply fall back to posting the text.
+                        // This might be the case when e.g. the data directory is broken and we can not load/write SCSS to/from it.
+                    }
+                }
+
+                // Convert l10n string into regular string for usage in database
+                $staticErrors = [];
+                foreach ($errors as $error) {
+                    echo $error['error'] . "\n";
+                    echo $error['hint'] . "\n\n";
+                    $staticErrors[] = [
+                        'error' => (string)$error['error'],
+                        'hint' => (string)$error['hint'],
+                    ];
+                }
+
+                try {
+                    \OC::$server->getConfig()->setAppValue('core', 'cronErrors', json_encode($staticErrors));
+                } catch (\Exception $e) {
+                    echo('Writing to database failed');
+                }
+                exit(1);
+            } elseif (self::$CLI && \OC::$server->getConfig()->getSystemValue('installed', false)) {
+                \OC::$server->getConfig()->deleteAppValue('core', 'cronErrors');
+            }
+        }
+        //try to set the session lifetime
+        $sessionLifeTime = self::getSessionLifeTime();
+        @ini_set('gc_maxlifetime', (string)$sessionLifeTime);
+
+        $systemConfig = \OC::$server->getSystemConfig();
+
+        // User and Groups
+        if (!$systemConfig->getValue("installed", false)) {
+            self::$server->getSession()->set('user_id', '');
+        }
+
+        OC_User::useBackend(new \OC\User\Database());
+        \OC::$server->getGroupManager()->addBackend(new \OC\Group\Database());
+
+        // Subscribe to the hook
+        \OCP\Util::connectHook(
+            '\OCA\Files_Sharing\API\Server2Server',
+            'preLoginNameUsedAsUserName',
+            '\OC\User\Database',
+            'preLoginNameUsedAsUserName'
+        );
+
+        //setup extra user backends
+        if (!\OCP\Util::needUpgrade()) {
+            OC_User::setupBackends();
+        } else {
+            // Run upgrades in incognito mode
+            OC_User::setIncognitoMode(true);
+        }
+
+        self::registerCleanupHooks();
+        self::registerFilesystemHooks();
+        self::registerShareHooks();
+        self::registerEncryptionWrapper();
+        self::registerEncryptionHooks();
+        self::registerAccountHooks();
+        self::registerResourceCollectionHooks();
+        self::registerAppRestrictionsHooks();
+
+        // Make sure that the application class is not loaded before the database is setup
+        if ($systemConfig->getValue("installed", false)) {
+            OC_App::loadApp('settings');
+        }
+
+        //make sure temporary files are cleaned up
+        $tmpManager = \OC::$server->getTempManager();
+        register_shutdown_function([$tmpManager, 'clean']);
+        $lockProvider = \OC::$server->getLockingProvider();
+        register_shutdown_function([$lockProvider, 'releaseAll']);
+
+        // Check whether the sample configuration has been copied
+        if ($systemConfig->getValue('copied_sample_config', false)) {
+            $l = \OC::$server->getL10N('lib');
+            OC_Template::printErrorPage(
+                $l->t('Sample configuration detected'),
+                $l->t('It has been detected that the sample configuration has been copied. This can break your installation and is unsupported. Please read the documentation before performing changes on config.php'),
+                503
+            );
+            return;
+        }
+
+        $request = \OC::$server->getRequest();
+        $host = $request->getInsecureServerHost();
+        /**
+         * if the host passed in headers isn't trusted
+         * FIXME: Should not be in here at all :see_no_evil:
+         */
+        if (!OC::$CLI
+            && !\OC::$server->getTrustedDomainHelper()->isTrustedDomain($host)
+            && self::$server->getConfig()->getSystemValue('installed', false)
+        ) {
+            // Allow access to CSS resources
+            $isScssRequest = false;
+            if (strpos($request->getPathInfo(), '/css/') === 0) {
+                $isScssRequest = true;
+            }
+
+            if (substr($request->getRequestUri(), -11) === '/status.php') {
+                http_response_code(400);
+                header('Content-Type: application/json');
+                echo '{"error": "Trusted domain error.", "code": 15}';
+                exit();
+            }
+
+            if (!$isScssRequest) {
+                http_response_code(400);
+
+                \OC::$server->getLogger()->info(
+                    'Trusted domain error. "{remoteAddress}" tried to access using "{host}" as host.',
+                    [
+                        'app' => 'core',
+                        'remoteAddress' => $request->getRemoteAddress(),
+                        'host' => $host,
+                    ]
+                );
+
+                $tmpl = new OCP\Template('core', 'untrustedDomain', 'guest');
+                $tmpl->assign('docUrl', \OC::$server->getURLGenerator()->linkToDocs('admin-trusted-domains'));
+                $tmpl->printPage();
+
+                exit();
+            }
+        }
+        \OC::$server->getEventLogger()->end('boot');
+    }
+
+    /**
+     * register hooks for the cleanup of cache and bruteforce protection
+     */
+    public static function registerCleanupHooks() {
+        //don't try to do this before we are properly setup
+        if (\OC::$server->getSystemConfig()->getValue('installed', false) && !\OCP\Util::needUpgrade()) {
+
+            // NOTE: This will be replaced to use OCP
+            $userSession = self::$server->getUserSession();
+            $userSession->listen('\OC\User', 'postLogin', function () use ($userSession) {
+                if (!defined('PHPUNIT_RUN') && $userSession->isLoggedIn()) {
+                    // reset brute force delay for this IP address and username
+                    $uid = \OC::$server->getUserSession()->getUser()->getUID();
+                    $request = \OC::$server->getRequest();
+                    $throttler = \OC::$server->getBruteForceThrottler();
+                    $throttler->resetDelay($request->getRemoteAddress(), 'login', ['user' => $uid]);
+                }
+
+                try {
+                    $cache = new \OC\Cache\File();
+                    $cache->gc();
+                } catch (\OC\ServerNotAvailableException $e) {
+                    // not a GC exception, pass it on
+                    throw $e;
+                } catch (\OC\ForbiddenException $e) {
+                    // filesystem blocked for this request, ignore
+                } catch (\Exception $e) {
+                    // a GC exception should not prevent users from using OC,
+                    // so log the exception
+                    \OC::$server->getLogger()->logException($e, [
+                        'message' => 'Exception when running cache gc.',
+                        'level' => ILogger::WARN,
+                        'app' => 'core',
+                    ]);
+                }
+            });
+        }
+    }
+
+    private static function registerEncryptionWrapper() {
+        $manager = self::$server->getEncryptionManager();
+        \OCP\Util::connectHook('OC_Filesystem', 'preSetup', $manager, 'setupStorage');
+    }
+
+    private static function registerEncryptionHooks() {
+        $enabled = self::$server->getEncryptionManager()->isEnabled();
+        if ($enabled) {
+            \OCP\Util::connectHook(Share::class, 'post_shared', HookManager::class, 'postShared');
+            \OCP\Util::connectHook(Share::class, 'post_unshare', HookManager::class, 'postUnshared');
+            \OCP\Util::connectHook('OC_Filesystem', 'post_rename', HookManager::class, 'postRename');
+            \OCP\Util::connectHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', HookManager::class, 'postRestore');
+        }
+    }
+
+    private static function registerAccountHooks() {
+        $hookHandler = \OC::$server->get(\OC\Accounts\Hooks::class);
+        \OCP\Util::connectHook('OC_User', 'changeUser', $hookHandler, 'changeUserHook');
+    }
+
+    private static function registerAppRestrictionsHooks() {
+        /** @var \OC\Group\Manager $groupManager */
+        $groupManager = self::$server->query(\OCP\IGroupManager::class);
+        $groupManager->listen('\OC\Group', 'postDelete', function (\OCP\IGroup $group) {
+            $appManager = self::$server->getAppManager();
+            $apps = $appManager->getEnabledAppsForGroup($group);
+            foreach ($apps as $appId) {
+                $restrictions = $appManager->getAppRestriction($appId);
+                if (empty($restrictions)) {
+                    continue;
+                }
+                $key = array_search($group->getGID(), $restrictions);
+                unset($restrictions[$key]);
+                $restrictions = array_values($restrictions);
+                if (empty($restrictions)) {
+                    $appManager->disableApp($appId);
+                } else {
+                    $appManager->enableAppForGroups($appId, $restrictions);
+                }
+            }
+        });
+    }
+
+    private static function registerResourceCollectionHooks() {
+        \OC\Collaboration\Resources\Listener::register(\OC::$server->getEventDispatcher());
+    }
+
+    /**
+     * register hooks for the filesystem
+     */
+    public static function registerFilesystemHooks() {
+        // Check for blacklisted files
+        OC_Hook::connect('OC_Filesystem', 'write', Filesystem::class, 'isBlacklisted');
+        OC_Hook::connect('OC_Filesystem', 'rename', Filesystem::class, 'isBlacklisted');
+    }
+
+    /**
+     * register hooks for sharing
+     */
+    public static function registerShareHooks() {
+        if (\OC::$server->getSystemConfig()->getValue('installed')) {
+            OC_Hook::connect('OC_User', 'post_deleteUser', Hooks::class, 'post_deleteUser');
+            OC_Hook::connect('OC_User', 'post_deleteGroup', Hooks::class, 'post_deleteGroup');
+
+            /** @var IEventDispatcher $dispatcher */
+            $dispatcher = \OC::$server->get(IEventDispatcher::class);
+            $dispatcher->addServiceListener(UserRemovedEvent::class, \OC\Share20\UserRemovedListener::class);
+        }
+    }
+
+    protected static function registerAutoloaderCache() {
+        // The class loader takes an optional low-latency cache, which MUST be
+        // namespaced. The instanceid is used for namespacing, but might be
+        // unavailable at this point. Furthermore, it might not be possible to
+        // generate an instanceid via \OC_Util::getInstanceId() because the
+        // config file may not be writable. As such, we only register a class
+        // loader cache if instanceid is available without trying to create one.
+        $instanceId = \OC::$server->getSystemConfig()->getValue('instanceid', null);
+        if ($instanceId) {
+            try {
+                $memcacheFactory = \OC::$server->getMemCacheFactory();
+                self::$loader->setMemoryCache($memcacheFactory->createLocal('Autoloader'));
+            } catch (\Exception $ex) {
+            }
+        }
+    }
+
+    /**
+     * Handle the request
+     */
+    public static function handleRequest() {
+        \OC::$server->getEventLogger()->start('handle_request', 'Handle request');
+        $systemConfig = \OC::$server->getSystemConfig();
+
+        // Check if Nextcloud is installed or in maintenance (update) mode
+        if (!$systemConfig->getValue('installed', false)) {
+            \OC::$server->getSession()->clear();
+            $setupHelper = new OC\Setup(
+                $systemConfig,
+                \OC::$server->get(\bantu\IniGetWrapper\IniGetWrapper::class),
+                \OC::$server->getL10N('lib'),
+                \OC::$server->query(\OCP\Defaults::class),
+                \OC::$server->getLogger(),
+                \OC::$server->getSecureRandom(),
+                \OC::$server->query(\OC\Installer::class)
+            );
+            $controller = new OC\Core\Controller\SetupController($setupHelper);
+            $controller->run($_POST);
+            exit();
+        }
+
+        $request = \OC::$server->getRequest();
+        $requestPath = $request->getRawPathInfo();
+        if ($requestPath === '/heartbeat') {
+            return;
+        }
+        if (substr($requestPath, -3) !== '.js') { // we need these files during the upgrade
+            self::checkMaintenanceMode();
+
+            if (\OCP\Util::needUpgrade()) {
+                if (function_exists('opcache_reset')) {
+                    opcache_reset();
+                }
+                if (!((bool) $systemConfig->getValue('maintenance', false))) {
+                    self::printUpgradePage($systemConfig);
+                    exit();
+                }
+            }
+        }
+
+        // emergency app disabling
+        if ($requestPath === '/disableapp'
+            && $request->getMethod() === 'POST'
+            && ((array)$request->getParam('appid')) !== ''
+        ) {
+            \OC_JSON::callCheck();
+            \OC_JSON::checkAdminUser();
+            $appIds = (array)$request->getParam('appid');
+            foreach ($appIds as $appId) {
+                $appId = \OC_App::cleanAppId($appId);
+                \OC::$server->getAppManager()->disableApp($appId);
+            }
+            \OC_JSON::success();
+            exit();
+        }
+
+        // Always load authentication apps
+        OC_App::loadApps(['authentication']);
+
+        // Load minimum set of apps
+        if (!\OCP\Util::needUpgrade()
+            && !((bool) $systemConfig->getValue('maintenance', false))) {
+            // For logged-in users: Load everything
+            if (\OC::$server->getUserSession()->isLoggedIn()) {
+                OC_App::loadApps();
+            } else {
+                // For guests: Load only filesystem and logging
+                OC_App::loadApps(['filesystem', 'logging']);
+                self::handleLogin($request);
+            }
+        }
+
+        if (!self::$CLI) {
+            try {
+                if (!((bool) $systemConfig->getValue('maintenance', false)) && !\OCP\Util::needUpgrade()) {
+                    OC_App::loadApps(['filesystem', 'logging']);
+                    OC_App::loadApps();
+                }
+                OC::$server->get(\OC\Route\Router::class)->match(\OC::$server->getRequest()->getRawPathInfo());
+                return;
+            } catch (Symfony\Component\Routing\Exception\ResourceNotFoundException $e) {
+                //header('HTTP/1.0 404 Not Found');
+            } catch (Symfony\Component\Routing\Exception\MethodNotAllowedException $e) {
+                http_response_code(405);
+                return;
+            }
+        }
+
+        // Handle WebDAV
+        if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PROPFIND') {
+            // not allowed any more to prevent people
+            // mounting this root directly.
+            // Users need to mount remote.php/webdav instead.
+            http_response_code(405);
+            return;
+        }
+
+        // Someone is logged in
+        if (\OC::$server->getUserSession()->isLoggedIn()) {
+            OC_App::loadApps();
+            OC_User::setupBackends();
+            OC_Util::setupFS();
+            // FIXME
+            // Redirect to default application
+            OC_Util::redirectToDefaultPage();
+        } else {
+            // Not handled and not logged in
+            header('Location: '.\OC::$server->getURLGenerator()->linkToRouteAbsolute('core.login.showLoginForm'));
+        }
+    }
+
+    /**
+     * Check login: apache auth, auth token, basic auth
+     *
+     * @param OCP\IRequest $request
+     * @return boolean
+     */
+    public static function handleLogin(OCP\IRequest $request) {
+        $userSession = self::$server->getUserSession();
+        if (OC_User::handleApacheAuth()) {
+            return true;
+        }
+        if ($userSession->tryTokenLogin($request)) {
+            return true;
+        }
+        if (isset($_COOKIE['nc_username'])
+            && isset($_COOKIE['nc_token'])
+            && isset($_COOKIE['nc_session_id'])
+            && $userSession->loginWithCookie($_COOKIE['nc_username'], $_COOKIE['nc_token'], $_COOKIE['nc_session_id'])) {
+            return true;
+        }
+        if ($userSession->tryBasicAuthLogin($request, \OC::$server->getBruteForceThrottler())) {
+            return true;
+        }
+        return false;
+    }
+
+    protected static function handleAuthHeaders() {
+        //copy http auth headers for apache+php-fcgid work around
+        if (isset($_SERVER['HTTP_XAUTHORIZATION']) && !isset($_SERVER['HTTP_AUTHORIZATION'])) {
+            $_SERVER['HTTP_AUTHORIZATION'] = $_SERVER['HTTP_XAUTHORIZATION'];
+        }
+
+        // Extract PHP_AUTH_USER/PHP_AUTH_PW from other headers if necessary.
+        $vars = [
+            'HTTP_AUTHORIZATION', // apache+php-cgi work around
+            'REDIRECT_HTTP_AUTHORIZATION', // apache+php-cgi alternative
+        ];
+        foreach ($vars as $var) {
+            if (isset($_SERVER[$var]) && preg_match('/Basic\s+(.*)$/i', $_SERVER[$var], $matches)) {
+                $credentials = explode(':', base64_decode($matches[1]), 2);
+                if (count($credentials) === 2) {
+                    $_SERVER['PHP_AUTH_USER'] = $credentials[0];
+                    $_SERVER['PHP_AUTH_PW'] = $credentials[1];
+                    break;
+                }
+            }
+        }
+    }
 }
 
 OC::init();