Zig 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. Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

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

    const http = try chilkat.Http.init();
    defer http.deinit();

    // 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.
    const json_o_auth_cc = try chilkat.JsonObject.init();
    defer json_o_auth_cc.deinit();

    // --------------------------------------------------------------------------------------------------------
    // 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.
    json_o_auth_cc.updateString("client_id", "e1cd2318-xxxx-4916-bfd6-xxxxxxxxxxxx") catch {};
    json_o_auth_cc.updateString("client_secret", "K.d8Q~RoJxxxxvCj_u_xxxxxxxxxxxxxxxxxxxxx") catch {};

    // 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.
    json_o_auth_cc.updateString("scope", "https://graph.microsoft.com/.default") catch {};

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

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

    // ------------------------------------------------------------------------------
    // 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')"
    //       }
    //    ]
    // }

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

    json.setEmitCompact(false);
    std.debug.print("{s}\n", .{try json.emit(alloc)});

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

    const resp = try chilkat.HttpResponse.init();
    defer resp.deinit();
    http.httpJson("POST", "https://graph.microsoft.com/v1.0/teams", json, "application/json", resp) catch {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    };

    // A successful response is indicated by a 202 response status code and an empty response body.
    std.debug.print("Response Status Code: {d}\n", .{resp.getStatusCode()});
    std.debug.print("Response Body:\n", .{});
    std.debug.print("{s}\n", .{try resp.getBodyStr(alloc)});

    if (resp.getStatusCode() >= 400) {
        std.debug.print("Response Header:\n", .{});
        std.debug.print("{s}\n", .{try resp.getHeader(alloc)});
        std.debug.print("Failed.\n", .{});
    }
}