C++

Microsoft Graph -- List Users

See more Microsoft Graph Examples

Retrieve a list of Microsoft Graph user objects. C++

#include <CkHttp.h>
#include <CkHttpRequest.h>
#include <CkHttpResponse.h>
#include <CkJsonObject.h>
#include <CkStringBuilder.h>

void ChilkatSample(void)
    {
    bool 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
    CkHttp http;
    CkHttpRequest req;
    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
    const char *url = "https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token";

    req.put_HttpVerb("POST");
    req.put_ContentType("application/x-www-form-urlencoded");

    CkHttpResponse resp;
    success = http.HttpReq(url,req,resp);
    if (success == false) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    int statusCode = resp.get_StatusCode();
    std::cout << "Response status code = " << statusCode << "\r\n";

    CkJsonObject json;
    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.put_AuthToken(json.stringOf("access_token"));

    std::cout << "access token: " << http.authToken() << "\r\n";

    CkStringBuilder sbResponse;

    success = http.QuickGetSb("https://graph.microsoft.com/v1.0/users",sbResponse);
    if (success == false) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    json.LoadSb(sbResponse);
    json.put_EmitCompact(false);

    std::cout << "Status code = " << http.get_LastStatus() << "\r\n";
    if (http.get_LastStatus() != 200) {
        std::cout << json.emit() << "\r\n";
        std::cout << "Failed." << "\r\n";
    }

    std::cout << json.emit() << "\r\n";

    // 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

    const char *odata_id = 0;
    const char *displayName = 0;
    const char *givenName = 0;
    const char *jobTitle = 0;
    const char *mail = 0;
    const char *mobilePhone = 0;
    const char *officeLocation = 0;
    const char *preferredLanguage = 0;
    const char *surname = 0;
    const char *userPrincipalName = 0;
    const char *id = 0;
    int j;
    int count_j;

    const char *odata_context = json.stringOf("\"@odata.context\"");
    int i = 0;
    int count_i = json.SizeOfArray("value");
    while (i < count_i) {
        json.put_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.put_J(j);
            j = j + 1;
        }

        i = i + 1;
    }
    }