/**
* @param IRequest $request
* @return bool
*/
public static function isBrowserRequest(IRequest $request)
{
if ($request->getMethod() !== 'GET') {
return false;
}
return $request->isUserAgent([Request::USER_AGENT_IE, Request::USER_AGENT_MS_EDGE, Request::USER_AGENT_CHROME, Request::USER_AGENT_FIREFOX, Request::USER_AGENT_SAFARI]);
}
/**
* @param RequestInterface $request
* @param ResponseInterface $response
* @return array
* @throws NotAuthenticated
*/
private function auth(RequestInterface $request, ResponseInterface $response)
{
$forcedLogout = false;
if (!$this->request->passesCSRFCheck() && $this->requiresCSRFCheck()) {
// In case of a fail with POST we need to recheck the credentials
if ($this->request->getMethod() === 'POST') {
$forcedLogout = true;
} else {
$response->setStatus(401);
throw new \Sabre\DAV\Exception\NotAuthenticated('CSRF check not passed.');
}
}
if ($forcedLogout) {
$this->userSession->logout();
} else {
if ($this->twoFactorManager->needsSecondFactor()) {
throw new \Sabre\DAV\Exception\NotAuthenticated('2FA challenge not passed.');
}
if (\OC_User::handleApacheAuth() || $this->userSession->isLoggedIn() && is_null($this->session->get(self::DAV_AUTHENTICATED)) || $this->userSession->isLoggedIn() && $this->session->get(self::DAV_AUTHENTICATED) === $this->userSession->getUser()->getUID() && $request->getHeader('Authorization') === null) {
$user = $this->userSession->getUser()->getUID();
\OC_Util::setupFS($user);
$this->currentUser = $user;
$this->session->close();
return [true, $this->principalPrefix . $user];
}
}
if (!$this->userSession->isLoggedIn() && in_array('XMLHttpRequest', explode(',', $request->getHeader('X-Requested-With')))) {
// do not re-authenticate over ajax, use dummy auth name to prevent browser popup
$response->addHeader('WWW-Authenticate', 'DummyBasic realm="' . $this->realm . '"');
$response->setStatus(401);
throw new \Sabre\DAV\Exception\NotAuthenticated('Cannot authenticate over ajax calls');
}
$data = parent::check($request, $response);
if ($data[0] === true) {
$startPos = strrpos($data[1], '/') + 1;
$user = $this->userSession->getUser()->getUID();
$data[1] = substr_replace($data[1], $user, $startPos);
}
return $data;
}
/**
* @param RequestInterface $request
* @param ResponseInterface $response
* @return array
* @throws NotAuthenticated
*/
private function auth(RequestInterface $request, ResponseInterface $response)
{
// If request is not GET and not authenticated via WebDAV a requesttoken is required
if ($this->userSession->isLoggedIn() && $this->request->getMethod() !== 'GET' && !$this->isDavAuthenticated($this->userSession->getUser()->getUID())) {
if (!$this->request->passesCSRFCheck()) {
$response->setStatus(401);
throw new \Sabre\DAV\Exception\NotAuthenticated('CSRF check not passed.');
}
}
if (\OC_User::handleApacheAuth() || $this->userSession->isLoggedIn() && is_null($this->session->get(self::DAV_AUTHENTICATED)) || $this->userSession->isLoggedIn() && $this->session->get(self::DAV_AUTHENTICATED) === $this->userSession->getUser()->getUID() && $request->getHeader('Authorization') === null) {
$user = $this->userSession->getUser()->getUID();
\OC_Util::setupFS($user);
$this->currentUser = $user;
$this->session->close();
return [true, $this->principalPrefix . $user];
}
if (!$this->userSession->isLoggedIn() && in_array('XMLHttpRequest', explode(',', $request->getHeader('X-Requested-With')))) {
// do not re-authenticate over ajax, use dummy auth name to prevent browser popup
$response->addHeader('WWW-Authenticate', 'DummyBasic realm="' . $this->realm . '"');
$response->setStatus(401);
throw new \Sabre\DAV\Exception\NotAuthenticated('Cannot authenticate over ajax calls');
}
return parent::check($request, $response);
}
/**
* Returns the method of the request
* @deprecated 7.0.0 use $this->request instead
* @return string the method of the request (POST, GET, etc)
* @since 6.0.0
*/
public function method()
{
return $this->request->getMethod();
}
