PHP ActiveX Requires Chilkat v11.0.0+

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. PHP ActiveX

<?php

$success = 0;

//  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"
//  }

$jsonToken = new COM("Chilkat.JsonObject");
$success = $jsonToken->LoadFile('qa_data/tokens/qb-access-token.json');

$rest = new COM("Chilkat.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.
$bAutoReconnect = 1;
$success = $rest->Connect('sandbox-quickbooks.api.intuit.com',443,1,$bAutoReconnect);
if ($success == 0) {
    print $rest->LastErrorText . "\n";
    exit;
}

$sbAuth = new COM("Chilkat.StringBuilder");
$sbAuth->Append('Bearer ');
$sbAuth->Append($jsonToken->stringOf('access_token'));
$rest->Authorization = $sbAuth->getAsString();

$rest->AddHeader('Accept','application/json');
$rest->AllowHeaderFolding = 0;

//  The company ID is 123146096291789
//  The employee ID is 58
$responseBody = $rest->fullRequestNoBody('GET','/v3/company/123146096291789/employee/58?minorversion=45');
if ($rest->LastMethodSuccess == 0) {
    print $rest->LastErrorText . "\n";
    exit;
}

//  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->ResponseStatusCode == 401) {

    $oauth2 = new COM("Chilkat.OAuth2");

    $oauth2->TokenEndpoint = 'https://oauth.platform.intuit.com/oauth2/v1/tokens/bearer';

    //  Replace these with actual values.
    $oauth2->ClientId = 'QUICKBOOKS-CLIENT-ID';
    $oauth2->ClientSecret = 'QUICKBOOKS-CLIENT-SECRET';

    //  Get the "refresh_token"
    $oauth2->RefreshToken = $jsonToken->stringOf('refresh_token');

    //  Send the HTTP POST to refresh the access token..
    $success = $oauth2->RefreshAccessToken();
    if ($success == 0) {
        print $oauth2->LastErrorText . "\n";
        exit;
    }

    print 'New access token: ' . $oauth2->AccessToken . "\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.
    $sbJson = new COM("Chilkat.StringBuilder");
    $jsonToken->EmitCompact = 0;
    $jsonToken->EmitSb($sbJson);
    $sbJson->WriteFile('qa_data/tokens/qb-access-token.json','utf-8',0);

    print 'OAuth2 token refreshed!' . "\n";
    print 'New Access Token = ' . $oauth2->AccessToken . "\n";

    $sbAuth->Clear();
    $sbAuth->Append('Bearer ');
    $sbAuth->Append($oauth2->AccessToken);
    $rest->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->LastMethodSuccess == 0) {
        print $rest->LastErrorText . "\n";
        exit;
    }

}

//  We should expect a 200 response if successful.
if ($rest->ResponseStatusCode != 200) {
    print 'Request Header: ' . "\n";
    print $rest->LastRequestHeader . "\n";
    print '----' . "\n";
    print 'Response StatusCode = ' . $rest->ResponseStatusCode . "\n";
    print 'Response StatusLine: ' . $rest->ResponseStatusText . "\n";
    print 'Response Header:' . "\n";
    print $rest->ResponseHeader . "\n";
    print $responseBody . "\n";
    exit;
}

//  Load the JSON response into a JSON object for parsing.
//  A sample JSON response is shown below.
$json = new COM("Chilkat.JsonObject");
$json->Load($responseBody);

//  These will be used for parsing date/time strings..
$dtime = new COM("Chilkat.CkDateTime");
$bLocalTime = 1;

//  Show the JSON.   
$json->EmitCompact = 0;
print $json->emit() . "\n";

//  Get some information from the JSON..
print 'Name: ' . $json->stringOf('Employee.DisplayName') . "\n";
print 'Id: ' . $json->stringOf('Employee.Id') . "\n";
print 'City: ' . $json->stringOf('Employee.PrimaryAddr.City') . "\n";
print 'PostalCode: ' . $json->stringOf('Employee.PrimaryAddr.PostalCode') . "\n";

//  Load the CreateTime into a CkDateTime...
$dtime->SetFromTimestamp($json->stringOf('Employee.MetaData.CreateTime'));
$dt = new COM("Chilkat.DtObj");
$dtime->ToDtObj($bLocalTime,$dt);

print $dt->Month . '/' . $dt->Day . '/' . $dt->Year . '  ' . $dt->Hour . ':' . $dt->Minute . "\n";

print 'Success.' . "\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"
//  }

?>