clientlinker-flow-httpproxy/route/req_uniq_key.js

Httpproxy flow for clientlinker

const rawBody = require('util').promisify(require('raw-body'));
const aesid = require('aesid');

exports = module.exports = reqUniqKey;
function reqUniqKey(linker, req) {
	return rawBody(req)
		.then(function(buf) {
			const data = JSON.parse(buf.toString());
			const action = data.action;

			return linker.parseAction(action);
		})
		.then(function(methodInfo) {
			if (!methodInfo.client) return { statusCode: 501 };

			const aesObj = getAesObj(methodInfo.client);
			const content = [
				Date.now(),
				process.pid,
				(Math.random() * 100000000) | 0
			].join(',');

			return {
				statusCode: 200,
				data: { uniq_key: aesObj.encrypt(content) }
			};
		});
}

exports.getAesObj = getAesObj;
function getAesObj(client) {
	let aesObj = client.cache.httpproxyAesObj;

	if (!aesObj) {
		aesObj = client.cache.httpproxyAesObj = aesid(
			client.options.httpproxyKey || 'httpproxy@key',
			{ userid: false }
		);
	}

	return aesObj;
}