public static async Task <string> LingkServicecall(LingkProject lingkProject)
{
var service = "/v1/@self/" + lingkProject.EnvironmentKey.ToLower() + "/credentials/docusign";
var method = "GET";
String requestDate;
UriBuilder uri = new UriBuilder(lingkProject.Entrypoint + service);
Console.WriteLine(uri);
requestDate = DateTime.UtcNow.ToString("R");
HttpClientHandler handler = new HttpClientHandler()
{
};
string fullMessage = "date: " + requestDate + "\n(request-target): " + method.ToLower() + " " + service;
using (var client = new HttpClient(handler))
{
string hashString = CreateSignature(fullMessage, lingkProject.ClientSecret);
String authHeader = "Signature keyId=\"" + lingkProject.ClientId + "\",headers=\"date (request-target)\",algorithm=\"hmac-sha1\",signature=\"" + WebUtility.UrlEncode(hashString) + "\"";
client.BaseAddress = new System.Uri(lingkProject.Entrypoint);
client.DefaultRequestHeaders.Add("Date", requestDate);
client.DefaultRequestHeaders.Add("Authorization", authHeader);
var resp2 = await client.GetAsync(service);
var aaa = resp2.Content;
string result = await aaa.ReadAsStringAsync();
return(result);
}
}
public static LingkCredentials GetAccessToken(LingkProject lingkProject)
{
if (lingkCredentials == null || ExpireIn == null || DateTime.Now.Subtract(TimeSpan.FromMinutes(3)) > ExpireIn.Value)
{
var resp = LingkHelper.LingkServicecall(lingkProject);
var lingkDocusign = JsonConvert.DeserializeObject <LingkDocusign>(resp.Result);
if (lingkDocusign.errorCode != null)
{
throw new Exception(lingkDocusign.errorCode + ":" + lingkDocusign.errorDescription
+ "," + lingkDocusign.errorMetadata);
}
var jwtGrant = new JwtGrant
{
grant_type = LingkConst.DocuSignGrantType,
assertion = lingkDocusign.credentialsJson.JWT
};
var client = new RestClient(lingkDocusign.credentialsJson.isSandbox ? LingkConst.DocusignDemoAuthUrl : LingkConst.DocusignProdAuthUrl);
var request = new RestRequest(Method.POST);
request.AddHeader("content-type", "application/json");
request.AddHeader("cache-control", "no-cache");
request.AddParameter("application/json", JsonConvert.SerializeObject(jwtGrant), ParameterType.RequestBody);
IRestResponse responseData = client.Execute(request);
var authToken = JsonConvert.DeserializeObject <Token>(responseData.Content);
if (authToken.error != null)
{
throw new Exception(authToken.error_description + " not able to generate access_token from jwt ");
}
ExpireIn = DateTime.Now.AddSeconds(authToken.expires_in);
lingkCredentials = new LingkCredentials
{
credentialsJson = lingkDocusign.credentialsJson,
docuSignToken = authToken
};
}
return(lingkCredentials);
}