public async Task <FormUrlResult> GenerateFormUrl(FormUrlOptions parameters)
{
if (parameters == null)
{
throw new Exception("parameters not provided");
}
if (parameters.formsAppId == null)
{
Form form = await oneBlinkApiClient.GetRequest <Form>($"/forms/{parameters.formId}");
parameters.formsAppId = form.formsAppIds[0];
}
if (parameters.formsAppId == null)
{
throw new Exception("This form has not been added to a forms app yet.");
}
FormsListFormsApp formsApp = await oneBlinkApiClient.GetRequest <FormsListFormsApp>($"/forms-apps/{parameters.formsAppId}");
string preFillFormDataId = null;
if (parameters.preFillData != null)
{
PrefillClient prefillClient = new PrefillClient(oneBlinkApiClient);
PreFillMeta preFillMeta = await prefillClient.GetPreFillMeta((int)parameters.formId);
string preFillMetaId = await prefillClient.PutPreFillData <dynamic>(parameters.preFillData, preFillMeta);
preFillFormDataId = preFillMeta.preFillFormDataId;
}
string userToken = null;
if (parameters.username != null)
{
AesUserToken aesUserToken = new AesUserToken(parameters.secret);
userToken = aesUserToken.encrypt(parameters.username);
}
// Default expiry for token is 8 hours
int jwtExpiry = parameters.expiryInSeconds ?? 28800;
string token = Token.GenerateJSONWebToken(accessKey: oneBlinkApiClient.accessKey, oneBlinkApiClient.secretKey, jwtExpiry);
string formUrl = _generateFormUrl(
formId: parameters.formId,
formsApp: formsApp,
token: token,
externalId: parameters.externalId,
preFillFormDataId: preFillFormDataId,
userToken: userToken,
previousFormSubmissionApprovalId: parameters.previousFormSubmissionApprovalId
);
string expiry = DateTime.UtcNow.AddSeconds(jwtExpiry).ToString("o");
return(new FormUrlResult()
{
formUrl = formUrl,
expiry = expiry
});
}
public static string DecryptUserToken(string userToken, string secret)
{
if (String.IsNullOrEmpty(userToken) || String.IsNullOrEmpty(secret))
{
throw new Exception("Must pass a valid userToken and secret");
}
AesUserToken aesUserToken = new AesUserToken(secret);
return(aesUserToken.decrypt(userToken));
}