Java Requires Chilkat v11.0.0+

Microsoft Teams OAuth2 Client Credentials Authentication

See more Microsoft Teams Examples

Demonstrates how to authenticate with OAuth 2.0 using the client credentials grant type. Chilkat2 Java

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

public class ChilkatExample {

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

        Http http = new Http();

        // Provide the information needed for Chilkat to automatically fetch the OAuth2.0
        // access token as needed.
        // This is the new "Integrated OAuth2 Client Credentials" feature introduced in Chilkat v9.5.0.96.
        JsonObject jsonOAuthCC = new JsonObject();

        // --------------------------------------------------------------------------------------------------------
        // You'll need to have registered an app in Azure beforehand.
        //
        // Note: Creating a Team requires the following Application permissions:
        // Team.Create, Teamwork.Migrate.All, Group.ReadWrite.All**, Directory.ReadWrite.All**
        //
        // See How to Create an Azure App Registration for OAuth 2.0 Client Credentials
        // --------------------------------------------------------------------------------------------------------

        // Use the values from your App Registration in Azure.
        jsonOAuthCC.updateString("client_id", "e1cd2318-xxxx-4916-bfd6-xxxxxxxxxxxx");
        jsonOAuthCC.updateString("client_secret", "K.d8Q~RoJxxxxvCj_u_xxxxxxxxxxxxxxxxxxxxx");

        // You'll always use this scope for client credentials, because the allowed actions
        // are determined by the App Permissions defined when you registered the app in Azure.
        jsonOAuthCC.updateString("scope", "https://graph.microsoft.com/.default");

        // The token endpoint includes your tenant ID.  Use your tenant ID (not the tenant ID shown here).
        jsonOAuthCC.updateString("token_endpoint", "https://login.microsoftonline.com/112d7ed6-71bf-4eba-a866-738364321bfc/oauth2/v2.0/token");

        // Provide the OAuth2 information. Chilkat will use this information to automatically fetch the OAuth2 access token as needed,
        http.setAuthToken(jsonOAuthCC.emit());

        // ------------------------------------------------------------------------------
        // To create a Microsoft Team, we want to send an HTTP request like the following:
        //
        // Note: The following is the minimal JSON for a request using Applicaton permissions (i.e. the access token retrieved using the client credentials grant).
        //
        // POST https://graph.microsoft.com/v1.0/teams
        // Content-Type: application/json
        //
        // {
        //    "template@odata.bind":"https://graph.microsoft.com/v1.0/teamsTemplates('standard')",
        //    "displayName":"My Sample Team",
        //    "description":"My Sample Team�s Description",
        //    "members":[
        //       {
        //          "@odata.type":"#microsoft.graph.aadUserConversationMember",
        //          "roles":[
        //             "owner"
        //          ],
        //          "user@odata.bind":"https://graph.microsoft.com/v1.0/users('0040b377-61d8-43db-94f5-81374122dc7e')"
        //       }
        //    ]
        // }

        JsonObject json = new JsonObject();
        json.updateString("\"template@odata.bind\"", "https://graph.microsoft.com/v1.0/teamsTemplates('standard')");
        json.updateString("displayName", "My Sample Team");
        json.updateString("description", "My Sample Team�s Description");
        json.updateString("members[0].\"@odata.type\"", "#microsoft.graph.aadUserConversationMember");
        json.updateString("members[0].roles[0]", "owner");
        json.updateString("members[0].\"user@odata.bind\"", "https://graph.microsoft.com/v1.0/users('4ee732c3-322e-4a6b-b729-2fd1eb5c6004')");

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

        http.setRequestHeader("Content-type", "application/json");

        HttpResponse resp = new HttpResponse();
        try {
            http.httpJson("POST", "https://graph.microsoft.com/v1.0/teams", json, "application/json", resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // A successful response is indicated by a 202 response status code and an empty response body.
        System.out.println("Response Status Code: " + resp.getStatusCode());
        System.out.println("Response Body:");
        System.out.println(resp.getBodyStr());

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