using DocuSign.CodeExamples.Authentication;

using DocuSign.eSign.Client;

using static DocuSign.eSign.Client.Auth.OAuth;

using static DocuSign.eSign.Client.Auth.OAuth.UserInfo;

using eSignature.Examples;

using System;

using System.Diagnostics;

using System.Configuration;

using System.Linq;

using System.Runtime.InteropServices;

using System.Web;

using System.IO;

namespace DocuSign.CodeExamples.JWT_Console

{

class Program

{

static readonly string DevCenterPage = "https://developers.docusign.com/platform/auth/consent";

static void Main(string[] args)

{

Console.ForegroundColor = ConsoleColor.White;

OAuthToken accessToken = null;

try

{

accessToken = JWTAuth.AuthenticateWithJWT("ESignature", ConfigurationManager.AppSettings["ClientId"], ConfigurationManager.AppSettings["ImpersonatedUserId"],

ConfigurationManager.AppSettings["AuthServer"], ConfigurationManager.AppSettings["PrivateKeyFile"]);

}

catch (ApiException apiExp)

{

// Consent for impersonation must be obtained to use JWT Grant

if (apiExp.Message.Contains("consent_required"))

{

// Caret needed for escaping & in windows URL

string caret = "";

if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))

{

caret = "^";

}

// build a URL to provide consent for this Integration Key and this userId

string url = "https://" + ConfigurationManager.AppSettings["AuthServer"] + "/oauth/auth?response_type=code" + caret + "&scope=impersonation%20signature" + caret +

"&client_id=" + ConfigurationManager.AppSettings["ClientId"] + caret + "&redirect_uri=" + DevCenterPage;

Console.WriteLine($"Consent is required - launching browser (URL is {url})");

// Start new browser window for login and consent to this app by DocuSign user

if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))

{

Process.Start(new ProcessStartInfo("cmd", $"/c start {url}") { CreateNoWindow = false });

}

else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))

{

Process.Start("xdg-open", url);

}

else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))

{

Process.Start("open", url);

}

Console.ForegroundColor = ConsoleColor.Red;

Console.WriteLine("Unable to send envelope; Exiting. Please rerun the console app once consent was provided");

Console.ForegroundColor = ConsoleColor.White;

Environment.Exit(-1);

}

}

var apiClient = new ApiClient();

apiClient.SetOAuthBasePath(ConfigurationManager.AppSettings["AuthServer"]);

UserInfo userInfo = apiClient.GetUserInfo(accessToken.access_token);

Account acct = userInfo.Accounts.FirstOrDefault();

Console.WriteLine("Welcome to the JWT Code example! ");

Console.Write("Enter the signer's email address: ");

string signerEmail = Console.ReadLine();

Console.Write("Enter the signer's name: ");

string signerName = Console.ReadLine();

Console.Write("Enter the carbon copy's email address: ");

string ccEmail = Console.ReadLine();

Console.Write("Enter the carbon copy's name: ");

string ccName = Console.ReadLine();

string docDocx = Path.Combine(@"..", "..", "..", "..", "launcher-csharp", "World_Wide_Corp_salary.docx");

string docPdf = Path.Combine(@"..", "..", "..", "..", "launcher-csharp", "World_Wide_Corp_lorem.pdf");

Console.WriteLine("");

string envelopeId = SigningViaEmail.SendEnvelopeViaEmail(signerEmail, signerName, ccEmail, ccName, accessToken.access_token, acct.BaseUri + "/restapi", acct.AccountId, docDocx, docPdf, "sent");

Console.WriteLine("");

Console.ForegroundColor = ConsoleColor.Green;

Console.WriteLine($"Successfully sent envelope with envelopeId {envelopeId}");

Console.WriteLine("");

Console.WriteLine("");

Console.ForegroundColor = ConsoleColor.White;

Environment.Exit(0);

}

}

}