Unicode C

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

See more Google APIs Examples

Demonstrates how to get the Google OAuth2 v3 userinfo.

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

Unicode C

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

void ChilkatSample(void)
    {
    BOOL success;
    HCkJsonObjectW jsonToken;
    HCkHttpW http;
    HCkStringBuilderW sbResponseBody;
    HCkJsonObjectW json;

    success = FALSE;

    // 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 = CkJsonObjectW_Create();
    success = CkJsonObjectW_LoadFile(jsonToken,L"qa_data/tokens/googlePeople.json");
    if (success != TRUE) {
        wprintf(L"Failed to load googleContacts.json\n");
        CkJsonObjectW_Dispose(jsonToken);
        return;
    }

    http = CkHttpW_Create();

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

    sbResponseBody = CkStringBuilderW_Create();
    success = CkHttpW_QuickGetSb(http,L"https://www.googleapis.com/oauth2/v3/userinfo",sbResponseBody);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponseBody));
        CkJsonObjectW_Dispose(jsonToken);
        CkHttpW_Dispose(http);
        CkStringBuilderW_Dispose(sbResponseBody);
        return;
    }

    // Sample JSON Response

    json = CkJsonObjectW_Create();
    CkJsonObjectW_putEmitCompact(json,FALSE);
    CkJsonObjectW_Load(json,CkStringBuilderW_getAsString(sbResponseBody));
    wprintf(L"%s\n",CkJsonObjectW_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"
    // }
    // 


    CkJsonObjectW_Dispose(jsonToken);
    CkHttpW_Dispose(http);
    CkStringBuilderW_Dispose(sbResponseBody);
    CkJsonObjectW_Dispose(json);

    }