(MFC) Microsoft Graph -- List Users

See more Microsoft Graph Examples

Retrieve a list of Microsoft Graph user objects.

Note: This example requires Chilkat v9.5.0.67 or greater.

For more information, see https://docs.microsoft.com/en-us/graph/api/user-list?view=graph-rest-1.0&tabs=http

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

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

void ChilkatSample(void)
    {
    CkString strOut;

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

    // Get an access token with the required scope using client credentials...
    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";
    CkHttpResponse *resp = http.PostUrlEncoded(url,req);
    if (http.get_LastMethodSuccess() != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    int statusCode = resp->get_StatusCode();
    strOut.append("Response status code = ");
    strOut.appendInt(statusCode);
    strOut.append("\r\n");

    CkJsonObject json;
    json.Load(resp->bodyStr());
    delete resp;

    // -----------------------------------------------------
    // 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"));

    strOut.append("access token: ");
    strOut.append(http.authToken());
    strOut.append("\r\n");

    CkStringBuilder sbResponse;

    bool success = http.QuickGetSb("https://graph.microsoft.com/v1.0/users",sbResponse);
    if (success != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

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

    strOut.append("Status code = ");
    strOut.appendInt(http.get_LastStatus());
    strOut.append("\r\n");
    if (http.get_LastStatus() != 200) {
        strOut.append(json.emit());
        strOut.append("\r\n");
        strOut.append("Failed.");
        strOut.append("\r\n");
    }

    strOut.append(json.emit());
    strOut.append("\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;
    }



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }