(Unicode C) Microsoft Graph -- List Users

See more Microsoft Graph Examples

Retrieve a list of Microsoft Graph user objects.

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

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#include <C_CkHttpW.h>
#include <C_CkHttpRequestW.h>
#include <C_CkHttpResponseW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    HCkHttpW http;
    HCkHttpRequestW req;
    const wchar_t *url;
    HCkHttpResponseW resp;
    int statusCode;
    HCkJsonObjectW json;
    HCkStringBuilderW sbResponse;
    BOOL success;
    const wchar_t *odata_id;
    const wchar_t *displayName;
    const wchar_t *givenName;
    const wchar_t *jobTitle;
    const wchar_t *mail;
    const wchar_t *mobilePhone;
    const wchar_t *officeLocation;
    const wchar_t *preferredLanguage;
    const wchar_t *surname;
    const wchar_t *userPrincipalName;
    const wchar_t *id;
    int j;
    int count_j;
    const wchar_t *odata_context;
    int i;
    int count_i;

    // 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...
    // See How to Create Microsoft Graph App (in Azure Portal) for Client Credentials Authentication
    http = CkHttpW_Create();
    req = CkHttpRequestW_Create();
    CkHttpRequestW_AddParam(req,L"client_secret",L"CLIENT_SECRET");
    CkHttpRequestW_AddParam(req,L"client_id",L"CLIENT_ID");
    CkHttpRequestW_AddParam(req,L"scope",L"https://graph.microsoft.com/.default");
    CkHttpRequestW_AddParam(req,L"grant_type",L"client_credentials");

    // Use your own tenant ID, for example 4d8fdd66-66d1-43b0-ae5c-e31b4b7de5cd
    url = L"https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token";
    resp = CkHttpW_PostUrlEncoded(http,url,req);
    if (CkHttpW_getLastMethodSuccess(http) != TRUE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkHttpRequestW_Dispose(req);
        return;
    }

    statusCode = CkHttpResponseW_getStatusCode(resp);
    wprintf(L"Response status code = %d\n",statusCode);

    json = CkJsonObjectW_Create();
    CkJsonObjectW_Load(json,CkHttpResponseW_bodyStr(resp));
    CkHttpResponseW_Dispose(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:
    CkHttpW_putAuthToken(http,CkJsonObjectW_stringOf(json,L"access_token"));

    wprintf(L"access token: %s\n",CkHttpW_authToken(http));

    sbResponse = CkStringBuilderW_Create();

    success = CkHttpW_QuickGetSb(http,L"https://graph.microsoft.com/v1.0/users",sbResponse);
    if (success != TRUE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkHttpRequestW_Dispose(req);
        CkJsonObjectW_Dispose(json);
        CkStringBuilderW_Dispose(sbResponse);
        return;
    }

    CkJsonObjectW_LoadSb(json,sbResponse);
    CkJsonObjectW_putEmitCompact(json,FALSE);

    wprintf(L"Status code = %d\n",CkHttpW_getLastStatus(http));
    if (CkHttpW_getLastStatus(http) != 200) {
        wprintf(L"%s\n",CkJsonObjectW_emit(json));
        wprintf(L"Failed.\n");
    }

    wprintf(L"%s\n",CkJsonObjectW_emit(json));

    // 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

    odata_context = CkJsonObjectW_stringOf(json,L"\"@odata.context\"");
    i = 0;
    count_i = CkJsonObjectW_SizeOfArray(json,L"value");
    while (i < count_i) {
        CkJsonObjectW_putI(json,i);
        odata_id = CkJsonObjectW_stringOf(json,L"value[i].\"@odata.id\"");
        displayName = CkJsonObjectW_stringOf(json,L"value[i].displayName");
        givenName = CkJsonObjectW_stringOf(json,L"value[i].givenName");
        jobTitle = CkJsonObjectW_stringOf(json,L"value[i].jobTitle");
        mail = CkJsonObjectW_stringOf(json,L"value[i].mail");
        mobilePhone = CkJsonObjectW_stringOf(json,L"value[i].mobilePhone");
        officeLocation = CkJsonObjectW_stringOf(json,L"value[i].officeLocation");
        preferredLanguage = CkJsonObjectW_stringOf(json,L"value[i].preferredLanguage");
        surname = CkJsonObjectW_stringOf(json,L"value[i].surname");
        userPrincipalName = CkJsonObjectW_stringOf(json,L"value[i].userPrincipalName");
        id = CkJsonObjectW_stringOf(json,L"value[i].id");
        j = 0;
        count_j = CkJsonObjectW_SizeOfArray(json,L"value[i].businessPhones");
        while (j < count_j) {
            CkJsonObjectW_putJ(json,j);
            j = j + 1;
        }

        i = i + 1;
    }



    CkHttpW_Dispose(http);
    CkHttpRequestW_Dispose(req);
    CkJsonObjectW_Dispose(json);
    CkStringBuilderW_Dispose(sbResponse);

    }