Advanced API для OpenCart

string_to_sign = METHOD + "\n" + REQUEST_URI + "\n" + TIMESTAMP + "\n" + md5(raw_body)
signature      = HMAC-SHA256(api_secret, string_to_sign)

$method    = 'GET';
$uri       = '/index.php?route=api/advanced_api/product';
$timestamp = time();
$body      = '';

$string_to_sign = $method . "\n" . $uri . "\n" . $timestamp . "\n" . md5($body);
$signature      = hash_hmac('sha256', $string_to_sign, $api_secret);

API_KEY="your_api_key"
API_SECRET="your_api_secret"
TIMESTAMP=$(date +%s)
METHOD="GET"
URI="/index.php?route=api/advanced_api/product"
BODY=""

STRING_TO_SIGN="${METHOD}\n${URI}\n${TIMESTAMP}\n$(echo -n "$BODY" | md5sum | cut -d' ' -f1)"
SIGNATURE=$(echo -ne "$STRING_TO_SIGN" | openssl dgst -sha256 -hmac "$API_SECRET" | sed 's/^.* //')

curl -X GET "https://your-store.com${URI}" \
  -H "X-Api-Key: ${API_KEY}" \
  -H "X-Api-Timestamp: ${TIMESTAMP}" \
  -H "X-Api-Signature: ${SIGNATURE}"

const crypto = require('crypto');

const apiKey    = 'your_api_key';
const apiSecret = 'your_api_secret';
const method    = 'GET';
const uri       = '/index.php?route=api/advanced_api/product';
const timestamp = Math.floor(Date.now() / 1000);
const body      = '';

const bodyHash     = crypto.createHash('md5').update(body).digest('hex');
const stringToSign = [method, uri, timestamp, bodyHash].join('\n');
const signature    = crypto.createHmac('sha256', apiSecret).update(stringToSign).digest('hex');

const res = await fetch('https://your-store.com' + uri, {
  method,
  headers: {
    'X-Api-Key': apiKey,
    'X-Api-Timestamp': String(timestamp),
    'X-Api-Signature': signature
  }
});
console.log(await res.json());

POST /index.php?route=api/advanced_api/product&id=42&method=delete   # = DELETE
POST /index.php?route=api/advanced_api/product&id=42&method=put      # = PUT

{
  "success": false,
  "error": "..."
}

POST /index.php?route=api/advanced_api/product&action=bulk_stock

{
  "items": [
    { "product_id": 42, "quantity": 100, "price": 199.99 },
    { "sku": "SKU-001", "quantity": 0, "status": 0 },
    { "model": "PROD-XYZ", "price": 349.50, "stock_status_id": 7 }
  ]
}

{
  "success": true,
  "updated": 2,
  "skipped": 0,
  "not_found": 1,
  "results": [
    { "product_id": 42, "status": "updated" },
    { "sku": "SKU-001", "status": "updated" },
    { "model": "PROD-XYZ", "status": "not_found" }
  ]
}

POST {your_url}
X-Webhook-Event: order.status
X-Webhook-Signature: {HMAC-SHA256(raw_body, secret)}

{
  "event": "order.status",
  "timestamp": 1712345678,
  "data": { "order_id": 1024, "order_status_id": 3 }
}