/**
* Grants access token for request
*
* @param IRequest $request
*
* @throws \OAuth2\Exception\InvalidGrantException
* @throws \OAuth2\Exception\InvalidRequestException
* @throws \OAuth2\Exception\InvalidScopeException
* @throws \OAuth2\Exception\UnauthorizedClientException
* @return IAccessToken
*/
public function grant(IRequest $request)
{
$username = $request->request('username');
$password = $request->request('password');
if (empty($username) || empty($password)) {
throw new InvalidRequestException('Username and password are required.');
}
$client = $this->clientAuthenticator->authenticate($request);
if (!$client->isAllowedToUse($this)) {
throw new UnauthorizedClientException('Client can not use this grant type.');
}
$user = $this->userAuthenticator->authenticate($username, $password);
if (!$user) {
throw new InvalidUserCredentialsException('Invalid user credentials.');
}
$requestedScopes = $request->request('scope');
$availableScopes = $user->getScopes();
if (empty($availableScopes)) {
$availableScopes = $this->scopeResolver->getDefaultScopes();
}
if (empty($availableScopes)) {
throw new InvalidScopeException('Scope parameter has to be specified.');
}
// intersection of requested and user scopes
$scopes = $this->scopeResolver->intersect($requestedScopes, $availableScopes);
return $this->accessTokenStorage->generate($user, $client, $scopes);
}
function it_issues_an_access_token_using_default_scopes(IRequest $request, IClientAuthenticator $clientAuthenticator, IUserAuthenticator $userAuthenticator, IScopeResolver $scopeResolver, IUser $user, IClient $client, IScope $scope, IAccessTokenStorage $accessTokenStorage, IAccessToken $accessToken)
{
$request->request('username')->willReturn('root')->shouldBeCalled();
$request->request('password')->willReturn('p')->shouldBeCalled();
$clientAuthenticator->authenticate($request)->willReturn($client)->shouldBeCalled();
$client->isAllowedToUse($this)->willReturn(true)->shouldBeCalled();
$userAuthenticator->authenticate('root', 'p')->willReturn($user)->shouldBeCalled();
$request->request('scope')->willReturn(null)->shouldBeCalled();
$user->getScopes()->willReturn([])->shouldBeCalled();
$scopeResolver->getDefaultScopes()->willReturn([$scope])->shouldBeCalled();
$scopeResolver->intersect(null, [$scope])->willReturn([$scope])->shouldBeCalled();
$accessTokenStorage->generate($user, $client, [$scope])->willReturn($accessToken)->shouldBeCalled();
$this->grant($request)->shouldReturn($accessToken);
}