(Node.js) Dynamics CRM Oauth2 Client Credentials

Get an OAuth2 access token for Dynamics CRM using client credentials.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

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

    var http = new chilkat.Http();

    // Pass the client ID/secret using Basic HTTP authentication.
    http.Login = "CLIENT_ID";
    http.Password = "CLIENT_SECRET";
    http.BasicAuth = true;

    var req = new chilkat.HttpRequest();
    req.AddParam("client_secret","CLIENT_SECRET");
    req.AddParam("client_id","CLIENT_ID");
    req.AddParam("scope","https://yourdynamicsdomain.crm3.dynamics.com/.default");
    req.AddParam("grant_type","client_credentials");

    // Use your own tenant ID, for example 4d8fdd66-66d1-43b0-ae5c-e31b4b7de5cd
    var url = "https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token";
    // resp: HttpResponse
    var resp = http.PostUrlEncoded(url,req);
    if (http.LastMethodSuccess !== true) {
        console.log(http.LastErrorText);
        return;
    }

    var statusCode = resp.StatusCode;
    console.log("Response status code = " + statusCode);

    var json = new chilkat.JsonObject();
    json.Load(resp.BodyStr);

    json.EmitCompact = false;
    console.log(json.Emit());

    if (statusCode == 200) {
        json.WriteFile("qa_data/tokens/dynamicsCrmClientCredentialsToken.json");
        console.log("Success.");
    }
    else {
        console.log("Failed.");
    }


}

chilkatExample();