(PHP Extension) Group: Refresh OAuth2 Access Token

Refreshes an expired or non-expired OAuth2 access token for the Microsoft Group REST API.

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux, Solaris

<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$json = new CkJsonObject();
$success = $json->LoadFile('qa_data/tokens/msGraphGroup.json');
if ($success != true) {
    exit;
}

$req = new CkHttpRequest();
$req->AddParam('grant_type','refresh_token');
$req->AddParam('redirect_uri','http://localhost:3017/');
$req->AddParam('client_id','MICROSOFT-GRAPH-CLIENT-ID');
$req->AddParam('client_secret','MICROSOFT-GRAPH-CLIENT-SECRET');
$req->AddParam('refresh_token',$json->stringOf('refresh_token'));
$req->AddParam('scope','openid profile offline_access user.readwrite group.readwrite.all files.readwrite');

$http = new CkHttp();

// resp is a CkHttpResponse
$resp = $http->PostUrlEncoded('https://login.microsoftonline.com/common/oauth2/v2.0/token',$req);
if ($http->get_LastMethodSuccess() != true) {
    print $http->lastErrorText() . "\n";
    exit;
}

// Load the JSON response.
$json->Load($resp->bodyStr());
$json->put_EmitCompact(false);

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

print 'Response status code: ' . $resp->get_StatusCode() . "\n";

// If the response status code is not 200, then it's an error.
if ($resp->get_StatusCode() != 200) {
    exit;
}

// Save the refreshed access token JSON to a file for future requests.
$fac = new CkFileAccess();
$fac->WriteEntireTextFile('qa_data/tokens/msGraphGroup.json',$json->emit(),'utf-8',false);

print 'Success.' . "\n";

?>