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@vovafeldman
Forked from xplodedthemes/.env
Created December 16, 2018 12:47
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Ticksy External Purchase Verification Freemius Integration
FS_API_SCOPE="developer"
FS_API_DEV_ID=000
FS_API_PUBLIC_KEY=""
FS_API_SECRET_KEY=""
TICKSY_SECRET_KEY=""
<?php
require_once 'freemius/FreemiusBase.php';
require_once 'freemius/Freemius.php';
use Carbon\Carbon;
class XT_Freemius_Api
{
/**
*
* @var Singleton
*/
private static $instance;
protected $freemius;
public function __construct()
{
// Init Freemius API.
$this->freemius = new Freemius_Api(getenv('FS_API_SCOPE'), getenv('FS_API_DEV_ID'), getenv('FS_API_PUBLIC_KEY'), getenv('FS_API_SECRET_KEY'));
}
public static function instance()
{
if (is_null(self::$instance)) {
self::$instance = new self();
}
return self::$instance;
}
public function api($endpoint, $method, $args = array())
{
return $this->freemius->Api($endpoint, $method, $args);
}
public function verifyPurchase($product_id, $license_key)
{
$response = $this->api('/plugins/' . $product_id . '/licenses.json', 'GET', array(
'search' => $license_key
));
$license = !empty($response->licenses) ? array_shift($response->licenses) : null;
// License found and matches product id / license key
if (!empty($license) && ($license->plugin_id === $product_id) && $license->secret_key === $license_key) {
$expiration = Carbon::parse($license->expiration);
$today = Carbon::now();
// Check if expired
return $expiration >= $today;
}
// License not found
return false;
}
}
{
"require": {
"vlucas/phpdotenv": "^2.5",
"nesbot/carbon": "^2.7"
}
}
<?php
require 'vendor/autoload.php';
$dotenv = new Dotenv\Dotenv(__DIR__);
$dotenv->load();
require_once('class-xt-fremius-api.php');
use Carbon\Carbon;
$request_body = file_get_contents('php://input');
$data = json_decode($request_body, true);
$hash = base64_encode(hash_hmac('sha256', $request_body, getenv('TICKSY_SECRET_KEY'), true));
// In case of a match, the data is guaranteed to be authentic and is intact.
if (!empty($_SERVER['HTTP_X_TICKSY_SIGNATURE']) && $hash === $_SERVER['HTTP_X_TICKSY_SIGNATURE']) {
// If envato_id is available in the payload, Fail the request, Customer probably selected the wrong category.
if (!empty($data['envato_id'])) {
$return = array(
'success' => false,
'message' => 'Please connect using your Envato account to validate your purchase!'
);
} else {
// Ticksy Category IDs to Freemius product IDs mapping
$products_map = array(
'100014149' => '2907',
'100014155' => '2905'
);
// Customer License Code
$license_key = $data['code'];
// Ticksy Category ID
$category_id = $data['category_id'];
// Check if a valid freemius product
if (!empty($products_map[$category_id])) {
$product_id = $products_map[$category_id];
// Validate Freemius License
$valid = XT_Freemius_Api::instance()->verifyPurchase($product_id, $license_key);
if ($valid) {
// Valid freemius license
$return = array(
'success' => true,
'message' => 'License validated successfully!'
);
} else {
// Invalid freemius license
$return = array(
'success' => false,
'message' => 'Invalid license!'
);
}
} else {
// If not a freemius product, it means it's a ticksy category not related to any paid products.
// Return as succeeded to allow support for other free products. (optional)
$return = array(
'success' => true,
'message' => 'License validated successfully!'
);
}
}
} else {
$return = array(
'success' => false,
'message' => 'Restricted Area!'
);
}
die(json_encode($return));
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