Java Requires Chilkat v11.0.0+

Azure OAuth2 Client Credentials Grant Flow

See more OAuth2 Examples

Demonstrates how to get an OAuth2 access token for an Azure Registered App using the Client Credentials Grant Flow.

Note: Your Azure app must be registered as a single-tenant app to use client credentials.

Java

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

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

    CkHttp http = new CkHttp();

    CkHttpRequest req = new CkHttpRequest();
    req.AddParam("client_secret","CLIENT_SECRET");
    req.AddParam("client_id","CLIENT_ID");

    //  See Understanding Scopes in Azure OAuth2 Client Credentials Flow
    req.AddParam("scope","https://graph.microsoft.com/.default");

    req.AddParam("grant_type","client_credentials");

    //  Note: Your Azure app must be registered as a single-tenant app to use client credentials.
    //  Use your own tenant ID, for example 4d8fdd66-66d1-43b0-ae5c-e31b4b7de5cd
    String url = "https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token";

    req.put_HttpVerb("POST");
    req.put_ContentType("application/x-www-form-urlencoded");

    CkHttpResponse resp = new CkHttpResponse();
    success = http.HttpReq(url,req,resp);
    if (success == false) {
        System.out.println(http.lastErrorText());
        return;
        }

    int statusCode = resp.get_StatusCode();
    System.out.println("Response status code = " + statusCode);

    CkJsonObject json = new CkJsonObject();
    json.Load(resp.bodyStr());

    json.put_EmitCompact(false);
    System.out.println(json.emit());

    //  Sample successful output:

    //  {
    //    "token_type": "Bearer",
    //    "expires_in": 3599,
    //    "ext_expires_in": 3599,
    //    "access_token": "eyJ0eX...K0jOERg"
    //  }

    if (statusCode == 200) {
        json.WriteFile("qa_data/tokens/azureClientCredentialsToken.json");
        System.out.println("Success.");
        }
    else {
        System.out.println("Failed.");
        }
  }
}