GoogleAuthFailure.fromResponse constructor

Implementation

factory GoogleAuthFailure.fromResponse(dynamic e) {
  String errorDescription = "An unexpected error occurred.";
  switch (e["error_description"]) {
    case "Invalid grant_type: ":
      errorDescription =
          "The grant type parameter is invalid or missing. Ensure the 'grant_type' field in the request body is set to 'authorization_code'.";
      break;

    case "Missing code verifier.":
      errorDescription =
          "The code verifier parameter is missing. Ensure you include a valid 'code_verifier' in the request body.";
      break;

    case "Missing parameter: redirect_uri":
      errorDescription =
          "The redirect URI parameter is missing. Ensure the 'redirect_uri' is provided and matches the URI used during the authorization request.";
      break;
    case "client_secret is missing.":
      errorDescription =
          "The client secret parameter is missing. Ensure you include the 'client_secret' field in the request body and that it matches the secret provided in your OAuth2 credentials.";
      break;
    case "Could not determine client ID from request.":
      errorDescription =
          "The client ID could not be determined from the request. Ensure you include the 'client_id' field in the request body and that it matches the client ID provided in your OAuth2 credentials.";
      break;
    case "Missing required parameter: code":
      errorDescription =
          "The authorization code parameter is missing. Ensure you include the 'code' field in the request body, which is obtained after user authentication.";
      break;
    default:
      errorDescription = e["error_description"];
      break;
  }

  return GoogleAuthFailure(message: errorDescription);
}