Microsoft Graph -- List Users

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var success = false;

// ------------------------------------------------------------------------------------------------------
// See an easier way to do OAuth2 client credentials:
// Example using Automatic OAuth2 Client Credentials
// ------------------------------------------------------------------------------------------------------

// Get an access token with the required scope using client credentials...
// See How to Create Microsoft Graph App (in Azure Portal) for Client Credentials Authentication
var http = new CkHttp();
var req = new CkHttpRequest();
req.AddParam("client_secret","CLIENT_SECRET");
req.AddParam("client_id","CLIENT_ID");
req.AddParam("scope","https://graph.microsoft.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";

req.HttpVerb = "POST";
req.ContentType = "application/x-www-form-urlencoded";

var resp = new CkHttpResponse();
success = http.HttpReq(url,req,resp);
if (success == false) {
    console.log(http.LastErrorText);
    return;
}

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

var json = new CkJsonObject();
json.Load(resp.BodyStr);

// -----------------------------------------------------
// Use the access token obtained from above.
// Note: We don't need to re-fetch a new access token every time.  An access token is valid 
// for some amount of time, typically an hour (3600 seconds)

// Use your previously obtained access token here:
http.AuthToken = json.StringOf("access_token");

console.log("access token: " + http.AuthToken);

var sbResponse = new CkStringBuilder();

success = http.QuickGetSb("https://graph.microsoft.com/v1.0/users",sbResponse);
if (success == false) {
    console.log(http.LastErrorText);
    return;
}

json.LoadSb(sbResponse);
json.EmitCompact = false;

console.log("Status code = " + http.LastStatus);
if (http.LastStatus !== 200) {
    console.log(json.Emit());
    console.log("Failed.");
}

console.log(json.Emit());

// Sample output
// {
//   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users",
//   "value": [
//     {
//       "@odata.id": "https://graph.microsoft.com/v2/6d8ddd66-68d1-43b0-af5c-e31b4b7dd5cd/directoryObjects/fca490d8-5918-4201-8079-c5dcbeafcdc9/Microsoft.DirectoryServices.User",
//       "businessPhones": [
//       ],
//       "displayName": "Joe Sample",
//       "givenName": "Joe",
//       "jobTitle": null,
//       "mail": null,
//       "mobilePhone": null,
//       "officeLocation": null,
//       "preferredLanguage": null,
//       "surname": "Sample",
//       "userPrincipalName": "admin_chilkatsoft.com#EXT#@adminchilkatsoft.onmicrosoft.com",
//       "id": "fca490d8-5918-4201-8079-c5dcbeafcdc9"
//     }
//   ]
// }

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

var odata_id;
var displayName;
var givenName;
var jobTitle;
var mail;
var mobilePhone;
var officeLocation;
var preferredLanguage;
var surname;
var userPrincipalName;
var id;
var j;
var count_j;

var odata_context = json.StringOf("\"@odata.context\"");
var i = 0;
var count_i = json.SizeOfArray("value");
while (i < count_i) {
    json.I = i;
    odata_id = json.StringOf("value[i].\"@odata.id\"");
    displayName = json.StringOf("value[i].displayName");
    givenName = json.StringOf("value[i].givenName");
    jobTitle = json.StringOf("value[i].jobTitle");
    mail = json.StringOf("value[i].mail");
    mobilePhone = json.StringOf("value[i].mobilePhone");
    officeLocation = json.StringOf("value[i].officeLocation");
    preferredLanguage = json.StringOf("value[i].preferredLanguage");
    surname = json.StringOf("value[i].surname");
    userPrincipalName = json.StringOf("value[i].userPrincipalName");
    id = json.StringOf("value[i].id");
    j = 0;
    count_j = json.SizeOfArray("value[i].businessPhones");
    while (j < count_j) {
        json.J = j;
        j = j+1;
    }

    i = i+1;
}