Java

Azure AD Service-to-service access token request

See more Azure OAuth2 Examples

Send an Azure AD service-to-service token request to get an access token using a shared secret. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.HttpRequest;
import com.chilkatsoft.chilkat2.HttpResponse;
import com.chilkatsoft.chilkat2.JsonObject;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Http http = new Http();

        // To see the exact HTTP request sent and the response, set the SessionLogFilename property:
        http.setSessionLogFilename("qa_output/chilkatHttpLog.txt");

        HttpRequest req = new HttpRequest();

        // Set the following request params:
        // grant_type     required     Specifies the requested grant type. In a Client Credentials Grant flow, the value must be client_credentials.
        //
        // client_id     required     Specifies the Azure AD client id of the calling web service.
        //     To find the calling application's client ID, in the Azure portal, click Azure Active Directory, click App registrations, click the application.
        //     The client_id is the Application ID
        //
        // client_secret     required     Enter a key registered for the calling web service or daemon application in Azure AD.
        //     To create a key, in the Azure portal, click Azure Active Directory, click App registrations, click the application, click Settings, click Keys, and add a Key.
        //     URL-encode this secret when providing it.
        //
        // resource     required     Enter the App ID URI of the receiving web service. To find the App ID URI, in the Azure portal, click Azure Active Directory,
        //     click App registrations, click the service application, and then click Settings and Properties.

        req.addParam("grant_type", "client_credentials");
        req.addParam("client_id", "MY_CLIENT_ID");
        req.addParam("client_secret", "MY_CLIENT_SECRET");
        req.addParam("resource", "https://service.contoso.com/");

        req.setHttpVerb("POST");
        req.setContentType("application/x-www-form-urlencoded");

        HttpResponse resp = new HttpResponse();
        try {
            http.httpReq("https://login.microsoftonline.com/<tenant_id>/oauth2/token", req, resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        int respStatusCode = resp.getStatusCode();
        System.out.println("Response Status Code = " + respStatusCode);

        JsonObject json = new JsonObject();
        json.setEmitCompact(false);
        json.load(resp.getBodyStr());
        System.out.println("Response JSON:");
        System.out.println(json.emit());

        if (respStatusCode >= 400) {
            System.out.println("Response Header:");
            System.out.println(resp.getHeader());
            System.out.println("Failed.");
            return;
        }

        // Sample response:

        // {
        //   "token_type": "Bearer",
        //   "expires_in": "3599",
        //   "ext_expires_in": "3599",
        //   "expires_on": "1570059833",
        //   "not_before": "1570055933",
        //   "resource": "https://adminchilkatsoft.onmicrosoft.com/eb1b8ced-76b7-4845-aec5-d3e91776e345",
        //   "access_token": "eyJ0eXAiO ... pmgw"
        // }

        // To get the items from the JSON....
        String token_type = json.stringOf("token_type");
        String expires_in = json.stringOf("expires_in");
        String ext_expires_in = json.stringOf("ext_expires_in");
        String expires_on = json.stringOf("expires_on");
        String not_before = json.stringOf("not_before");
        String resource = json.stringOf("resource");
        String access_token = json.stringOf("access_token");
    }
}