C++
C++
QuickBooks - Automatically Refresh Access Token with No User Interaction
See more QuickBooks Examples
Demonstrates how to automaticaly refresh an expired access token and retry the request after a 401 authorization error.Chilkat C++ Downloads
#include <CkJsonObject.h>
#include <CkRest.h>
#include <CkStringBuilder.h>
#include <CkOAuth2.h>
#include <CkDateTime.h>
#include <CkDtObj.h>
void ChilkatSample(void)
{
bool success = false;
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// Get our previously obtained OAuth2 access token, which should contain JSON like this:
// {
// "expires_in": 3600,
// "x_refresh_token_expires_in": 8726400,
// "refresh_token": "L011546037639r ... 3vR2DrbOmg0Sdagw",
// "access_token": "eyJlbmMiOiJBMTI4Q0 ... oETJEMbeggg",
// "token_type": "bearer"
// }
CkJsonObject jsonToken;
success = jsonToken.LoadFile("qa_data/tokens/qb-access-token.json");
CkRest rest;
// Connect using TLS.
// A single REST object, once connected, can be used for many Quickbooks REST API calls.
// The auto-reconnect indicates that if the already-established HTTPS connection is closed,
// then it will be automatically re-established as needed.
bool bAutoReconnect = true;
success = rest.Connect("sandbox-quickbooks.api.intuit.com",443,true,bAutoReconnect);
if (success == false) {
std::cout << rest.lastErrorText() << "\r\n";
return;
}
CkStringBuilder sbAuth;
sbAuth.Append("Bearer ");
sbAuth.Append(jsonToken.stringOf("access_token"));
rest.put_Authorization(sbAuth.getAsString());
rest.AddHeader("Accept","application/json");
rest.put_AllowHeaderFolding(false);
// The company ID is 123146096291789
// The employee ID is 58
const char *responseBody = rest.fullRequestNoBody("GET","/v3/company/123146096291789/employee/58?minorversion=45");
if (rest.get_LastMethodSuccess() == false) {
std::cout << rest.lastErrorText() << "\r\n";
return;
}
// If we get a 401 authorization error, then it's likely because the access token expired.
// We can automatically refresh it without interaction from the user.
if (rest.get_ResponseStatusCode() == 401) {
CkOAuth2 oauth2;
oauth2.put_TokenEndpoint("https://oauth.platform.intuit.com/oauth2/v1/tokens/bearer");
// Replace these with actual values.
oauth2.put_ClientId("QUICKBOOKS-CLIENT-ID");
oauth2.put_ClientSecret("QUICKBOOKS-CLIENT-SECRET");
// Get the "refresh_token"
oauth2.put_RefreshToken(jsonToken.stringOf("refresh_token"));
// Send the HTTP POST to refresh the access token..
success = oauth2.RefreshAccessToken();
if (success == false) {
std::cout << oauth2.lastErrorText() << "\r\n";
return;
}
std::cout << "New access token: " << oauth2.accessToken() << "\r\n";
// Update the JSON with the new tokens.
jsonToken.UpdateString("access_token",oauth2.accessToken());
// Save the new JSON access token response to a file.
// The access + refresh tokens contained in this JSON will be needed for the next refresh.
CkStringBuilder sbJson;
jsonToken.put_EmitCompact(false);
jsonToken.EmitSb(sbJson);
sbJson.WriteFile("qa_data/tokens/qb-access-token.json","utf-8",false);
std::cout << "OAuth2 token refreshed!" << "\r\n";
std::cout << "New Access Token = " << oauth2.accessToken() << "\r\n";
sbAuth.Clear();
sbAuth.Append("Bearer ");
sbAuth.Append(oauth2.accessToken());
rest.put_Authorization(sbAuth.getAsString());
// Now retry the request with the refreshed access token...
responseBody = rest.fullRequestNoBody("GET","/v3/company/123146096291789/employee/58?minorversion=45");
if (rest.get_LastMethodSuccess() == false) {
std::cout << rest.lastErrorText() << "\r\n";
return;
}
}
// We should expect a 200 response if successful.
if (rest.get_ResponseStatusCode() != 200) {
std::cout << "Request Header: " << "\r\n";
std::cout << rest.lastRequestHeader() << "\r\n";
std::cout << "----" << "\r\n";
std::cout << "Response StatusCode = " << rest.get_ResponseStatusCode() << "\r\n";
std::cout << "Response StatusLine: " << rest.responseStatusText() << "\r\n";
std::cout << "Response Header:" << "\r\n";
std::cout << rest.responseHeader() << "\r\n";
std::cout << responseBody << "\r\n";
return;
}
// Load the JSON response into a JSON object for parsing.
// A sample JSON response is shown below.
CkJsonObject json;
json.Load(responseBody);
// These will be used for parsing date/time strings..
CkDateTime dtime;
bool bLocalTime = true;
// Show the JSON.
json.put_EmitCompact(false);
std::cout << json.emit() << "\r\n";
// Get some information from the JSON..
std::cout << "Name: " << json.stringOf("Employee.DisplayName") << "\r\n";
std::cout << "Id: " << json.stringOf("Employee.Id") << "\r\n";
std::cout << "City: " << json.stringOf("Employee.PrimaryAddr.City") << "\r\n";
std::cout << "PostalCode: " << json.stringOf("Employee.PrimaryAddr.PostalCode") << "\r\n";
// Load the CreateTime into a CkDateTime...
dtime.SetFromTimestamp(json.stringOf("Employee.MetaData.CreateTime"));
CkDtObj dt;
dtime.ToDtObj(bLocalTime,dt);
std::cout << dt.get_Month() << "/" << dt.get_Day() << "/" << dt.get_Year() << " " << dt.get_Hour() << ":" << dt.get_Minute() << "\r\n";
std::cout << "Success." << "\r\n";
// Use this online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON
// ------------------------------------------------------
// The JSON response looks like this:
// {
// "Employee": {
// "SSN": "XXX-XX-XXXX",
// "PrimaryAddr": {
// "Id": "116",
// "Line1": "45 N. Elm Street",
// "City": "Middlefield",
// "CountrySubDivisionCode": "CA",
// "PostalCode": "93242"
// },
// "BillableTime": false,
// "domain": "QBO",
// "sparse": false,
// "Id": "98",
// "SyncToken": "0",
// "MetaData": {
// "CreateTime": "2015-07-24T09:34:35-07:00",
// "LastUpdatedTime": "2015-07-24T09:34:35-07:00"
// },
// "GivenName": "Bill",
// "FamilyName": "Miller",
// "DisplayName": "Bill Miller",
// "PrintOnCheckName": "Bill Miller",
// "Active": true,
// "PrimaryPhone": {
// "FreeFormNumber": "234-525-1234"
// }
// },
// "time": "2015-07-24T09:35:54.805-07:00"
// }
}