PHP Requires Chilkat v10.1.2+

SharePoint Rest API using OAuth

See more OAuth2 Examples

Demonstrates how to get an OAuth2 access token for the SharePoint REST API. Chilkat2 PHP

<?php

use Chilkat2\OAuth2;

// To further clarify, see OAuth 2.0 Authorization Flow

$oauth2 = new OAuth2();

// The ListenPort should match the port in your localhost Reply URL of your Azure AD app.
// Your Reply URL must be exactly "http://localhost:LISTEN_PORT/"
//    * Do not use "https"
//    * Make sure the ending "/" is included.
//    * You may choose any port number that doesn't collide with anything else.
$oauth2->ListenPort = 3017;

$oauth2->AuthorizationEndpoint = 'https://login.microsoftonline.com/TENANT_ID/oauth2/authorize';
$oauth2->TokenEndpoint = 'https://login.windows.net/TENANT_ID/oauth2/token?api-version=1.0';

// Replace these with actual values.
// Use the application ID
$oauth2->ClientId = 'CLIENT_ID';
// Use the password
$oauth2->ClientSecret = 'CLIENT_SECRET';

$oauth2->CodeChallenge = false;

$oauth2->Scope = 'openid';
$oauth2->Resource = 'https://graph.microsoft.com/';

$oauth2->IncludeNonce = true;
$oauth2->ResponseMode = 'form_post';
$oauth2->ResponseType = 'id_token+code';

// Begin the OAuth2 Authorization code flow.  This returns a URL that should be loaded in a browser.
try {
    $url = $oauth2->StartAuth();
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

echo 'url = ', $url, "\n";

// Launch the default browser on the system and navigate to the url.
// The LaunchBrowser method was added in Chilkat v10.1.2.
try {
    $oauth2->LaunchBrowser($url);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

// Wait for the user to approve or deny authorization in the browser.
$numMsWaited = 0;
while (($numMsWaited < 90000) && ($oauth2->AuthFlowState < 3)) {
    $oauth2->SleepMs(100);
    $numMsWaited = $numMsWaited + 100;
}

// If the browser does not respond within the specified time, AuthFlowState will be:
//
// 1: Waiting for Redirect – The OAuth2 background thread is waiting for the browser's redirect request.
// 2: Waiting for Final Response – The thread is awaiting the final access token response.
// In either case, cancel the background task initiated by StartAuth.

if ($oauth2->AuthFlowState < 3) {
    $oauth2->Cancel();
    echo "No response from the browser!\n";
    exit;
}

// Check AuthFlowState to determine if authorization was granted, denied, or failed:
//
// 3: Success – OAuth2 flow completed, the background thread exited, and the successful response is in AccessTokenResponse.
// 4: Access Denied – OAuth2 flow completed, the background thread exited, and the error response is in AccessTokenResponse.
// 5: Failure – OAuth2 flow failed before completion, the background thread exited, and error details are in FailureInfo.

if ($oauth2->AuthFlowState == 5) {
    echo "OAuth2 failed to complete.\n";
    echo $oauth2->FailureInfo, "\n";
    exit;
}

if ($oauth2->AuthFlowState == 4) {
    echo "OAuth2 authorization was denied.\n";
    echo $oauth2->AccessTokenResponse, "\n";
    exit;
}

if ($oauth2->AuthFlowState != 3) {
    echo 'Unexpected AuthFlowState:', $oauth2->AuthFlowState, "\n";
    exit;
}

echo "OAuth2 authorization granted!\n";
echo 'Access Token = ', $oauth2->AccessToken, "\n";