function checkSignature()

in code/index.js [127:139]

• 11 lines of code
• 2 McCabe index (conditional complexity)

function checkSignature(signingSecret, signature, body) {
    console.log('info', '>>> signingSecret()');
    const hash = crypto.createHmac('sha256', signingSecret).update(body).digest('hex');

    const signatureHash = signature.split('=');
    if (signatureHash[1] === hash) {
        console.log('info', '<<< signingSecret()');
        return true;
    }

    console.log('info', '<<< signingSecret()');
    return false;
}