(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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#include <C_CkJsonObject.h>
#include <C_CkHttp.h>
#include <C_CkStringBuilder.h>

void ChilkatSample(void)
    {
    HCkJsonObject jsonToken;
    BOOL success;
    HCkHttp http;
    HCkStringBuilder sbResponseBody;
    HCkJsonObject json;

    // 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

    jsonToken = CkJsonObject_Create();
    success = CkJsonObject_LoadFile(jsonToken,"qa_data/tokens/googlePeople.json");
    if (success != TRUE) {
        printf("Failed to load googleContacts.json\n");
        CkJsonObject_Dispose(jsonToken);
        return;
    }

    http = CkHttp_Create();

    // -------------------------------------------------------------------------------------
    // Make sure the access token was obtained with "profile" included in the list of scopes.
    // -------------------------------------------------------------------------------------
    CkHttp_putAuthToken(http,CkJsonObject_stringOf(jsonToken,"access_token"));

    sbResponseBody = CkStringBuilder_Create();
    success = CkHttp_QuickGetSb(http,"https://www.googleapis.com/oauth2/v3/userinfo",sbResponseBody);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        printf("%s\n",CkStringBuilder_getAsString(sbResponseBody));
        CkJsonObject_Dispose(jsonToken);
        CkHttp_Dispose(http);
        CkStringBuilder_Dispose(sbResponseBody);
        return;
    }

    // Sample JSON Response

    json = CkJsonObject_Create();
    CkJsonObject_putEmitCompact(json,FALSE);
    CkJsonObject_Load(json,CkStringBuilder_getAsString(sbResponseBody));
    printf("%s\n",CkJsonObject_emit(json));

    // 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"
    // }
    // 


    CkJsonObject_Dispose(jsonToken);
    CkHttp_Dispose(http);
    CkStringBuilder_Dispose(sbResponseBody);
    CkJsonObject_Dispose(json);

    }