Began work on spying code

server/spying.js

@@ -0,0 +1,62 @@
+//environment variables
+require('dotenv').config();
+
+//libraries
+let CronJob = require('cron').CronJob;
+
+//utilities
+let { logDiagnostics } = require('./diagnostics.js');
+let { log } = require('../common/utilities.js');
+
+let { isSpying } = require('./utilities.js');
+
+const spyRequest = (connection) => (req, res) => {
+	//TODO
+	res.status(400).write(log('Not yet implemented', 'spyRequest'));
+	res.end();
+};
+
+const spyStatusRequest = (connection) => (req, res) => {
+	//verify the credentials
+	let query = 'SELECT COUNT(*) AS total FROM sessions WHERE accountId = ? AND token = ?;';
+	connection.query(query, [req.body.id, req.body.token], (err, results) => {
+		if (err) throw err;
+
+		if (results[0].total !== 1) {
+			res.status(400).write(log('Invalid spy status request credentials', req.body.id, req.body.token));
+			res.end();
+			return;
+		}
+
+		isSpying(connection, req.body.id, (err, spying, defender) => {
+			if (err) throw err;
+
+			res.status(200).json({
+				status: spying ? 'spying' : 'idle',
+				attacker: req.body.attacker,
+				defender: defender,
+				msg: null
+			});
+
+			res.end();
+		});
+	});
+};
+
+const spyLogRequest = (connection) => (req, res) => {
+	//TODO
+	res.status(400).write(log('Not yet implemented', 'spyLogRequest'));
+	res.end();
+};
+
+const runSpyTick = (connection) => {
+	//TODO
+};
+
+module.exports = {
+	spyRequest: spyRequest,
+	spyStatusRequest: spyStatusRequest,
+	spyLogRequest: spyLogRequest,
+	runSpyTick: runSpyTick
+};
+