(JavaScript) Docusign Refresh OAuth2 Access Token

See more DocuSign Examples

For more information, see https://developers.docusign.com/esign-rest-api/guides/authentication/oauth2-code-grant

Note

This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.

var success = false;

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// It is assumed we previously obtained an OAuth2 access token.
// This example loads the JSON access token file 
// saved by this example: Get Docusign OAuth2 Access Token

var jsonToken = new CkJsonObject();
success = jsonToken.LoadFile("qa_data/tokens/docusign.json");
if (success !== true) {
    console.log("Failed to load docusign.json");
    return;
}

// The access token JSON looks like this:

// {
//   "access_token": "eyJ0eXA....YQyig",
//   "token_type": "Bearer",
//   "refresh_token": "eyJ0eXA....auE3eHKg",
//   "expires_in": 28800
// }

var oauth2 = new CkOAuth2();

// For the developer sandbox environment, the token endpoint is https://account-d.docusign.com/oauth/token
// For the production platform, the token endpoint is https://account.docusign.com/oauth/token
oauth2.TokenEndpoint = "https://account-d.docusign.com/oauth/token";

// Replace these with actual values.
// The client ID is also known as the "integration key" in Docusign.
oauth2.ClientId = "MY_DOCUSIGN_CLIENT_ID";
// This is your secret key for the authorization code grant.
oauth2.ClientSecret = "MY_DOCUSIGN_CLIENT_SECRET";

// Get the "refresh_token"
oauth2.RefreshToken = jsonToken.StringOf("refresh_token");

// Send the HTTP POST to refresh the access token..
success = oauth2.RefreshAccessToken();
if (success !== true) {
    console.log(oauth2.LastErrorText);
    return;
}

console.log("New access token: " + oauth2.AccessToken);
console.log("New refresh token: " + oauth2.RefreshToken);

// Update the JSON with the new tokens.
jsonToken.UpdateString("access_token",oauth2.AccessToken);
jsonToken.UpdateString("refresh_token",oauth2.RefreshToken);

// Save the new JSON access token response to a file.
var sbJson = new CkStringBuilder();
jsonToken.EmitCompact = false;
jsonToken.EmitSb(sbJson);
sbJson.WriteFile("qa_data/tokens/docusign.json","utf-8",false);

console.log("OAuth2 authorization granted!");
console.log("New Access Token = " + oauth2.AccessToken);