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
});
}
internal async Task <string> PutPreFillData <T>(T preFillData, PreFillMeta preFillMeta)
{
RegionEndpoint regionEndpoint = RegionEndpoint.GetBySystemName(preFillMeta.s3.region);
SessionAWSCredentials sessionAWSCredentials = new SessionAWSCredentials(
preFillMeta.credentials.AccessKeyId,
preFillMeta.credentials.SecretAccessKey,
preFillMeta.credentials.SessionToken
);
AmazonS3Client amazonS3Client = new AmazonS3Client(sessionAWSCredentials, regionEndpoint);
PutObjectRequest request = new PutObjectRequest
{
BucketName = preFillMeta.s3.bucket,
Key = preFillMeta.s3.key,
ContentBody = JsonConvert.SerializeObject(preFillData),
ContentType = "application/json",
CannedACL = S3CannedACL.Private,
ServerSideEncryptionMethod = ServerSideEncryptionMethod.AES256,
};
await amazonS3Client.PutObjectAsync(request);
return(preFillMeta.preFillFormDataId);
}
internal async Task <string> SetPreFillData <T>(T preFillData, int formId)
{
PreFillMeta preFillMeta = await GetPreFillMeta(formId);
return(await PutPreFillData <T>(preFillData, preFillMeta));
}
