(Objective-C) Google OAuth2 v3 userinfo (https://www.googleapis.com/oauth2/v3/userinfo)

Demonstrates how to get the Google OAuth2 v3 userinfo.

Important: Make sure the OAuth2 access token included "profile" in the list of scopes.

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#import <CkoJsonObject.h>
#import <CkoHttp.h>
#import <CkoStringBuilder.h>

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

// It is assumed we previously obtained an OAuth2 access token.
// This example loads the JSON access token file 
// originally obtained by this example: Get Google People API OAuth2 Access Token
// or refreshed by this example: Refresh Google People API OAuth2 Access Token

CkoJsonObject *jsonToken = [[CkoJsonObject alloc] init];
BOOL success = [jsonToken LoadFile: @"qa_data/tokens/googlePeople.json"];
if (success != YES) {
    NSLog(@"%@",@"Failed to load googleContacts.json");
    return;
}

CkoHttp *http = [[CkoHttp alloc] init];

// -------------------------------------------------------------------------------------
// Make sure the access token was obtained with "profile" included in the list of scopes.
// -------------------------------------------------------------------------------------
http.AuthToken = [jsonToken StringOf: @"access_token"];

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [http QuickGetSb: @"https://www.googleapis.com/oauth2/v3/userinfo" sbContent: sbResponseBody];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    NSLog(@"%@",[sbResponseBody GetAsString]);
    return;
}

// Sample JSON Response

CkoJsonObject *json = [[CkoJsonObject alloc] init];
json.EmitCompact = NO;
[json Load: [sbResponseBody GetAsString]];
NSLog(@"%@",[json Emit]);

// Sample response:

// {
//   "sub": "119999690625687999964",
//   "name": "Matt",
//   "given_name": "Matt",
//   "picture": "https://lh3.googleusercontent.com/-b4...eg3Zjo/AAAAAAAAAAI/AAAAAAAAAAA/AMZuu....3RpdA/s96-c/photo.jpg",
//   "locale": "en"
// }
//