PHP ActiveX

SharePoint OAuth2 Client Credentials Authentication

Demonstrates how to authenticate with OAuth 2.0 using the client credentials grant type. This is for SharePoint Online which is the cloud-based service provided by Microsoft as part of Office 365. (Users access SharePoint Online through a web browser, and the service is hosted on Microsoft's servers.) PHP ActiveX

<?php

$success = 0;

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

$http = new COM("Chilkat.Http");

// Provide the information needed for Chilkat to automatically fetch the OAuth2.0 
// access token as needed.
$jsonOAuthCC = new COM("Chilkat.JsonObject");

// --------------------------------------------------------------------------------------------------------
// You'll need to have registered an app in Azure beforehand.
// See How to Create SharePoint App Registration for OAuth 2.0 Client Credentials
// --------------------------------------------------------------------------------------------------------

// Use the values from your App Registration in Azure.
$jsonOAuthCC->UpdateString('client_id','CLIENT_ID');
$jsonOAuthCC->UpdateString('client_secret','SECRET_VALUE');

// You'll always use this scope for client credentials, because the allowed actions
// are determined by the App Permissions defined when you registered the app in Azure.
$jsonOAuthCC->UpdateString('scope','https://graph.microsoft.com/.default');

// The token endpoint includes your tenant ID. 
$jsonOAuthCC->UpdateString('token_endpoint','https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token');

// Provide the OAuth2 information. Chilkat will use this information to automatically fetch the OAuth2 access token as needed,
$http->AuthToken = $jsonOAuthCC->emit();

// Get information about all SharePoint sites.
$sbJson = new COM("Chilkat.StringBuilder");
$success = $http->QuickGetSb('https://graph.microsoft.com/v1.0/sites/getAllSites',$sbJson);
if ($success == 0) {
    print $http->LastErrorText . "\n";
    exit;
}

$statusCode = $http->LastStatus;

print 'Response status code = ' . $statusCode . "\n";

if ($statusCode != 200) {
    print $sbJson->getAsString() . "\n";
    print 'Failed.' . "\n";
    exit;
}

$jsonResp = new COM("Chilkat.JsonObject");
$jsonResp->LoadSb($sbJson);
$jsonResp->EmitCompact = 0;

print $jsonResp->emit() . "\n";
print 'Success.' . "\n";

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

?>