Future _handleAuthorizationCode()

in lib/src/authorization_code_grant.dart [293:327]

• 28 lines of code
• 4 McCabe index (conditional complexity)

  Future<Client> _handleAuthorizationCode(String? authorizationCode) async {
    var startTime = DateTime.now();

    var headers = <String, String>{};

    var body = {
      'grant_type': 'authorization_code',
      'code': authorizationCode,
      'redirect_uri': _redirectEndpoint.toString(),
      'code_verifier': _codeVerifier
    };

    var secret = this.secret;
    if (_basicAuth && secret != null) {
      headers['Authorization'] = basicAuthHeader(identifier, secret);
    } else {
      // The ID is required for this request any time basic auth isn't being
      // used, even if there's no actual client authentication to be done.
      body['client_id'] = identifier;
      if (secret != null) body['client_secret'] = secret;
    }

    var response =
        await _httpClient!.post(tokenEndpoint, headers: headers, body: body);

    var credentials = handleAccessTokenResponse(
        response, tokenEndpoint, startTime, _scopes, _delimiter,
        getParameters: _getParameters);
    return Client(credentials,
        identifier: identifier,
        secret: secret,
        basicAuth: _basicAuth,
        httpClient: _httpClient,
        onCredentialsRefreshed: _onCredentialsRefreshed);
  }