Chilkat • HOME • Android™ • AutoIt • C • C# • C++ • Chilkat2-Python • CkPython • Classic ASP • DataFlex • Delphi DLL • Go • Java • Node.js • Objective-C • PHP Extension • Perl • PowerBuilder • PowerShell • PureBasic • Ruby • SQL Server • Swift • Tcl • Unicode C • Unicode C++ • VB.NET • VBScript • Visual Basic 6.0 • Visual FoxPro • Xojo Plugin
(Unicode C++) Refresh Cloud Storage OAuth2 Access Token (Authorization Code Flow)See more Google Cloud Storage ExamplesDemonstrates how to refresh an expired or soon-to-expire Cloud Storage OAuth2 access token obtained by the Authorization Code Flow (i.e. NOT for a Service Account).
#include <CkJsonObjectW.h> #include <CkOAuth2W.h> #include <CkStringBuilderW.h> void ChilkatSample(void) { // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkJsonObjectW jsonToken; bool success = jsonToken.LoadFile(L"qa_data/tokens/googleCloudStorage.json"); if (success != true) { wprintf(L"Failed to load googleCloudStorage.json\n"); return; } // The access token JSON looks like this: // { // "access_token": "ya29.a0Ad52N3_4eOd5_T7....", // "token_type": "Bearer", // "expires_in": 3600, // "refresh_token": "1/lEe5abcdNJ77eOSDBabcdkQGVmDalkwabcdR2Hatbo" // } // CkOAuth2W oauth2; oauth2.put_TokenEndpoint(L"https://www.googleapis.com/oauth2/v4/token"); // Replace these with actual values. oauth2.put_ClientId(L"GOOGLE-CLIENT-ID"); oauth2.put_ClientSecret(L"GOOGLE-CLIENT-SECRET"); // Get the "refresh_token" oauth2.put_RefreshToken(jsonToken.stringOf(L"refresh_token")); // Send the HTTP POST to refresh the access token.. success = oauth2.RefreshAccessToken(); if (success != true) { wprintf(L"%s\n",oauth2.lastErrorText()); return; } // The response contains a new access token, but we must keep // our existing refresh token for when we need to refresh again in the future. jsonToken.UpdateString(L"access_token",oauth2.accessToken()); // Save the new JSON access token response to a file. CkStringBuilderW sbJson; jsonToken.put_EmitCompact(false); jsonToken.EmitSb(sbJson); sbJson.WriteFile(L"qa_data/tokens/googleCloudStorage.json",L"utf-8",false); wprintf(L"OAuth2 authorization granted!\n"); wprintf(L"New Access Token = %s\n",oauth2.accessToken()); } |
© 2000-2025 Chilkat Software, Inc. All Rights Reserved.