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| var test = require('tap').test; | |
| var keys = { | |
| a : require('./keys/a.json'), | |
| b : require('./keys/b.json'), | |
| }; | |
| var secure = require('../'); | |
| var peer = { | |
| a : secure(keys.a), | |
| b : secure(keys.b), | |
| }; | |
| var through = require('through'); | |
| var es = require('event-stream'); | |
| test('replay attack', function (t) { | |
| t.plan(3); | |
| var messages = []; | |
| var eve = es.connect(es.split(), through(function (line) { | |
| // eavesdrop on the messages | |
| messages.push(line); | |
| this.emit('data', String(line) + '\n'); | |
| })); | |
| var msgNum = 0; | |
| var replay = es.connect(es.split(), through(function (line) { | |
| var msg = messages.shift(); | |
| if (++msgNum === 1) { | |
| this.emit('data', String(line) + '\n'); | |
| } | |
| else this.emit('data', String(msg) + '\n'); | |
| })); | |
| var a0 = peer.a(function (stream) { | |
| stream.pipe(through(function (buf) { | |
| this.emit('data', String(buf).toUpperCase()); | |
| })).pipe(stream); | |
| }); | |
| var a1 = peer.a(function (stream) { | |
| var ix = 0; | |
| stream.pipe(through(function (buf) { | |
| var s = String(buf).split('').map(function (c) { | |
| return (ix++ % 2) ? c.toLowerCase() : c.toUpperCase(); | |
| }).join(''); | |
| this.emit('data', s); | |
| })).pipe(stream); | |
| }); | |
| var b0 = peer.b(function (stream) { | |
| var data = ''; | |
| stream.on('data', function (buf) { data += buf }); | |
| stream.on('end', function () { | |
| t.equal(data, 'BEEP BOOP'); | |
| }); | |
| stream.write('beep'); | |
| stream.write(' '); | |
| stream.end('boop'); | |
| }); | |
| b0.on('end', function () { | |
| a1.pipe(replay).pipe(b1).pipe(a1); | |
| }); | |
| var b1 = peer.b(function (stream) { | |
| var data = ''; | |
| stream.on('data', function (buf) { data += buf }); | |
| stream.on('end', function () { | |
| console.log('/!\\ WARNING /!\\'); | |
| console.log('RECEIVED REPLAYED DATA: ' + data); | |
| t.fail('stream should have been destroyed for tampering'); | |
| }); | |
| stream.on('close', function () { | |
| t.ok(true, 'socket closed for tampering'); | |
| }); | |
| stream.write('beep'); | |
| stream.write(' '); | |
| stream.end('boop'); | |
| }); | |
| b1.on('end', function () { | |
| t.fail('outer stream should have been destroyed'); | |
| }); | |
| b1.on('close', function () { | |
| t.ok(true, 'outer stream closed'); | |
| }); | |
| a0.pipe(eve).pipe(b0).pipe(a0); | |
| }); |