C

Microsoft Graph -- List Users

See more Microsoft Graph Examples

Retrieve a list of Microsoft Graph user objects. C

#include <C_CkHttp.h>
#include <C_CkHttpRequest.h>
#include <C_CkHttpResponse.h>
#include <C_CkJsonObject.h>
#include <C_CkStringBuilder.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttp http;
    HCkHttpRequest req;
    const char *url;
    HCkHttpResponse resp;
    int statusCode;
    HCkJsonObject json;
    HCkStringBuilder sbResponse;
    const char *odata_id;
    const char *displayName;
    const char *givenName;
    const char *jobTitle;
    const char *mail;
    const char *mobilePhone;
    const char *officeLocation;
    const char *preferredLanguage;
    const char *surname;
    const char *userPrincipalName;
    const char *id;
    int j;
    int count_j;
    const char *odata_context;
    int i;
    int count_i;

    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
    http = CkHttp_Create();
    req = CkHttpRequest_Create();
    CkHttpRequest_AddParam(req,"client_secret","CLIENT_SECRET");
    CkHttpRequest_AddParam(req,"client_id","CLIENT_ID");
    CkHttpRequest_AddParam(req,"scope","https://graph.microsoft.com/.default");
    CkHttpRequest_AddParam(req,"grant_type","client_credentials");

    // Use your own tenant ID, for example 4d8fdd66-66d1-43b0-ae5c-e31b4b7de5cd
    url = "https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token";

    CkHttpRequest_putHttpVerb(req,"POST");
    CkHttpRequest_putContentType(req,"application/x-www-form-urlencoded");

    resp = CkHttpResponse_Create();
    success = CkHttp_HttpReq(http,url,req,resp);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkHttpRequest_Dispose(req);
        CkHttpResponse_Dispose(resp);
        return;
    }

    statusCode = CkHttpResponse_getStatusCode(resp);
    printf("Response status code = %d\n",statusCode);

    json = CkJsonObject_Create();
    CkJsonObject_Load(json,CkHttpResponse_bodyStr(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:
    CkHttp_putAuthToken(http,CkJsonObject_stringOf(json,"access_token"));

    printf("access token: %s\n",CkHttp_authToken(http));

    sbResponse = CkStringBuilder_Create();

    success = CkHttp_QuickGetSb(http,"https://graph.microsoft.com/v1.0/users",sbResponse);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkHttpRequest_Dispose(req);
        CkHttpResponse_Dispose(resp);
        CkJsonObject_Dispose(json);
        CkStringBuilder_Dispose(sbResponse);
        return;
    }

    CkJsonObject_LoadSb(json,sbResponse);
    CkJsonObject_putEmitCompact(json,FALSE);

    printf("Status code = %d\n",CkHttp_getLastStatus(http));
    if (CkHttp_getLastStatus(http) != 200) {
        printf("%s\n",CkJsonObject_emit(json));
        printf("Failed.\n");
    }

    printf("%s\n",CkJsonObject_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 = CkJsonObject_stringOf(json,"\"@odata.context\"");
    i = 0;
    count_i = CkJsonObject_SizeOfArray(json,"value");
    while (i < count_i) {
        CkJsonObject_putI(json,i);
        odata_id = CkJsonObject_stringOf(json,"value[i].\"@odata.id\"");
        displayName = CkJsonObject_stringOf(json,"value[i].displayName");
        givenName = CkJsonObject_stringOf(json,"value[i].givenName");
        jobTitle = CkJsonObject_stringOf(json,"value[i].jobTitle");
        mail = CkJsonObject_stringOf(json,"value[i].mail");
        mobilePhone = CkJsonObject_stringOf(json,"value[i].mobilePhone");
        officeLocation = CkJsonObject_stringOf(json,"value[i].officeLocation");
        preferredLanguage = CkJsonObject_stringOf(json,"value[i].preferredLanguage");
        surname = CkJsonObject_stringOf(json,"value[i].surname");
        userPrincipalName = CkJsonObject_stringOf(json,"value[i].userPrincipalName");
        id = CkJsonObject_stringOf(json,"value[i].id");
        j = 0;
        count_j = CkJsonObject_SizeOfArray(json,"value[i].businessPhones");
        while (j < count_j) {
            CkJsonObject_putJ(json,j);
            j = j + 1;
        }

        i = i + 1;
    }



    CkHttp_Dispose(http);
    CkHttpRequest_Dispose(req);
    CkHttpResponse_Dispose(resp);
    CkJsonObject_Dispose(json);
    CkStringBuilder_Dispose(sbResponse);

    }