Add telemetry support from via Judd

judd/middleware/validate-boss-digest.js

@@ -0,0 +1,14 @@
+const crypto = require('crypto');
+
+function validateBOSSDigestMiddleware(request, response, next) {
+	const calculatedHash = crypto.createHash('sha1').update(request.rawBody).digest('hex');
+	const expectedHash = request.headers['x-boss-digest'];
+
+	if (calculatedHash !== expectedHash) {
+		return next('Provided BOSS digest does not match the calculated hash');
+	}
+
+	next();
+}
+
+module.exports = validateBOSSDigestMiddleware;