Objective-C

Microsoft Graph -- List Users

See more Microsoft Graph Examples

Retrieve a list of Microsoft Graph user objects. Objective-C

#import <CkoHttp.h>
#import <CkoHttpRequest.h>
#import <NSString.h>
#import <CkoHttpResponse.h>
#import <CkoJsonObject.h>
#import <CkoStringBuilder.h>

BOOL success = NO;

// ------------------------------------------------------------------------------------------------------
// 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
CkoHttp *http = [[CkoHttp alloc] init];
CkoHttpRequest *req = [[CkoHttpRequest alloc] init];
[req AddParam: @"client_secret" value: @"CLIENT_SECRET"];
[req AddParam: @"client_id" value: @"CLIENT_ID"];
[req AddParam: @"scope" value: @"https://graph.microsoft.com/.default"];
[req AddParam: @"grant_type" value: @"client_credentials"];

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

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

CkoHttpResponse *resp = [[CkoHttpResponse alloc] init];
success = [http HttpReq: url request: req response: resp];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

int statusCode = [resp.StatusCode intValue];
NSLog(@"%@%d",@"Response status code = ",statusCode);

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[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"];

NSLog(@"%@%@",@"access token: ",http.AuthToken);

CkoStringBuilder *sbResponse = [[CkoStringBuilder alloc] init];

success = [http QuickGetSb: @"https://graph.microsoft.com/v1.0/users" sbContent: sbResponse];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

[json LoadSb: sbResponse];
json.EmitCompact = NO;

NSLog(@"%@%d",@"Status code = ",[http.LastStatus intValue]);
if ([http.LastStatus intValue] != 200) {
    NSLog(@"%@",[json Emit]);
    NSLog(@"%@",@"Failed.");
}

NSLog(@"%@",[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

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

NSString *odata_context = [json StringOf: @"\"@odata.context\""];
int i = 0;
int count_i = [[json SizeOfArray: @"value"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: 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"] intValue];
    while (j < count_j) {
        json.J = [NSNumber numberWithInt: j];
        j = j + 1;
    }

    i = i + 1;
}