src/GrantType/PasswordGrantTypeHandler.php
private function checkUsername(Request $request)
    {
        // username must exist and in valid format.
        $username = $request->request->get('username');
        $errors = $this->validator->validate($username, [
            new \Symfony\Component\Validator\Constraints\NotBlank(),
            new \AuthBucket\OAuth2\Symfony\Component\Validator\Constraints\Username(),
        ]);
        if (count($errors) > 0) {
            throw new InvalidRequestException([
                'error_description' => 'The request includes an invalid parameter value.',
            ]);
        }

        // password must exist and in valid format.
        $password = $request->request->get('password');
        $errors = $this->validator->validate($password, [
            new \Symfony\Component\Validator\Constraints\NotBlank(),
            new \AuthBucket\OAuth2\Symfony\Component\Validator\Constraints\Password(),
        ]);
        if (count($errors) > 0) {
            throw new InvalidRequestException([
                'error_description' => 'The request includes an invalid parameter value.',
            ]);
        }

        // Validate credentials with authentication manager.
        try {
            $token = new UsernamePasswordToken($username, $password, 'oauth2');
            $authenticationProvider = new DaoAuthenticationProvider(
                $this->userProvider,
                new UserChecker(),
                'oauth2',
                $this->encoderFactory
            );
            $authenticationProvider->authenticate($token);
        } catch (BadCredentialsException $e) {
            throw new InvalidGrantException([
                'error_description' => 'The provided resource owner credentials is invalid.',
            ]);
        }

        return $username;
    }
private function checkUsername(Request $request)
    {
        // username must exist and in valid format.
        $username = $request->request->get('username');
        $errors = $this->validator->validate($username, [
            new \Symfony\Component\Validator\Constraints\NotBlank(),
            new \AuthBucket\OAuth2\Symfony\Component\Validator\Constraints\Username(),
        ]);
        if (count($errors) > 0) {
            throw new InvalidRequestException([
                'error_description' => 'The request includes an invalid parameter value.',
            ]);
        }

        // password must exist and in valid format.
        $password = $request->request->get('password');
        $errors = $this->validator->validate($password, [
            new \Symfony\Component\Validator\Constraints\NotBlank(),
            new \AuthBucket\OAuth2\Symfony\Component\Validator\Constraints\Password(),
        ]);
        if (count($errors) > 0) {
            throw new InvalidRequestException([
                'error_description' => 'The request includes an invalid parameter value.',
            ]);
        }

        // Validate credentials with authentication manager.
        try {
            $token = new UsernamePasswordToken($username, $password, 'oauth2');
            $authenticationProvider = new DaoAuthenticationProvider(
                $this->userProvider,
                new UserChecker(),
                'oauth2',
                $this->encoderFactory
            );
            $authenticationProvider->authenticate($token);
        } catch (BadCredentialsException $e) {
            throw new InvalidGrantException([
                'error_description' => 'The provided resource owner credentials is invalid.',
            ]);
        }

        return $username;
    }
private function checkUsername ( Request $ request ) { // username must exist and in valid format. $ username = $ request -> request -> get ( 'username' ) ; $ errors = $ this -> validator -> validate ( $ username , [ new \ Symfony \ Component \ Validator \ Constraints \ NotBlank ( ) , new \ AuthBucket \ OAuth2 \ Symfony \ Component \ Validator \ Constraints \ Username ( ) , ] ) ; if ( count ( $ errors ) > 0 ) { throw new InvalidRequestException ( [ 'error_description' => 'The request includes an invalid parameter value.' , ] ) ; } // password must exist and in valid format. $ password = $ request -> request -> get ( 'password' ) ; $ errors = $ this -> validator -> validate ( $ password , [ new \ Symfony \ Component \ Validator \ Constraints \ NotBlank ( ) , new \ AuthBucket \ OAuth2 \ Symfony \ Component \ Validator \ Constraints \ Password ( ) , ] ) ; if ( count ( $ errors ) > 0 ) { throw new InvalidRequestException ( [ 'error_description' => 'The request includes an invalid parameter value.' , ] ) ; } // Validate credentials with authentication manager. try { $ token = new UsernamePasswordToken ( $ username , $ password , 'oauth2' ) ; $ authenticationProvider = new DaoAuthenticationProvider ( $ this -> userProvider , new UserChecker ( ) , 'oauth2' , $ this -> encoderFactory ) ; $ authenticationProvider -> authenticate ( $ token ) ; } catch ( BadCredentialsException $ e ) { throw new InvalidGrantException ( [ 'error_description' => 'The provided resource owner credentials is invalid.' , ] ) ; } return $ username ; }
Fetch username from POST.

@param Request $request Incoming request object

@return string The supplied username

@throw InvalidRequestException If username or password in invalid format.
@throw InvalidGrantException If reported as bad credentials from authentication provider.
Fetch username from POST .