verifyFace function

Future<Either<VerificationFailure, Map<String, dynamic>>> verifyFace({ required String? faceImage, required String verificationSessionId, required String apiKey, required String accessToken, })

Implementation

Future<Either<VerificationFailure, Map<String, dynamic>>> verifyFace({
  required String? faceImage,
  required String verificationSessionId,
  required String apiKey,
  required String accessToken,
}) async {
  try {
    final String timeStamp = getCurrentDateTimeInISO8601();
    var requestBody = await FaceVerificationDto().toJson(
      faceImage,
      verificationSessionId,
      timeStamp,
    );

    var tempBody = {
      'faceImage_base64': faceImage,
      'documentIdentificationId': verificationSessionId,
      'timestamp': timeStamp
    };

    final signature = createJWT(tempBody, jwtSecret);

    headers.addAll({"x-api-key": apiKey});
    headers.addAll({"x-signature": signature});
    headers.addAll({"x-timestamp": timeStamp});
    headers.addAll({"Authorization": "Bearer $accessToken"});

    final http.Response response = await http.post(
      Uri.parse('${apiBaseUrl}face-authentication'),
      headers: headers,
      body: jsonEncode(requestBody),
    );

    var result = jsonDecode(response.body);

    if (kDebugMode) {
      print(result);
    }

    if (result['success'] == true && result.containsKey('score')) {
      return right(
        {
          "faceMatch": result['score'],
          "frontImage": result['outputs']['frontImage'],
          "backImage": result['outputs']['backImage'],
          "sideImage": result['outputs']['sideImage'],
          "faceImage": result['outputs']['faceImage'],
        },
      );
    }

    return left(const VerificationFailure.faceNotMatch());
  } catch (e) {
    if (kDebugMode) {
      print(e);
    }

    return left(VerificationFailure.serverError(e.toString()));
  }
}