remove WebRTC

This commit is contained in:
Manuel Araoz 2014-08-19 12:46:20 -04:00
parent 1ae700f805
commit e0b8f3319f
3 changed files with 1 additions and 1033 deletions

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@ -1,525 +0,0 @@
'use strict';
var EventEmitter = require('events').EventEmitter;
var bitcore = require('bitcore');
var util = bitcore.util;
var nodeUtil = require('util');
var Message = require('../core/Message');
/*
* Emits
* 'connect'
* when network layout has change (new/lost peers, etc)
*
* 'data'
* when an unknown data type arrives
*
* Provides
* send(toPeerIds, {data}, cb?)
*
*/
function Network(opts) {
var self = this;
opts = opts || {};
this.apiKey = opts.apiKey || 'lwjd5qra8257b9';
this.debug = opts.debug || 3;
this.maxPeers = opts.maxPeers || 10;
this.reconnectAttempts = opts.reconnectAttempts || 3;
this.sjclParams = opts.sjclParams || {
salt: 'f28bfb49ef70573c',
iter: 500,
mode: 'ccm',
ts: parseInt(64),
};
this.opts = {};
['config', 'port', 'host', 'path', 'debug', 'key', 'secure'].forEach(function(k) {
if (opts.hasOwnProperty(k)) self.opts[k] = opts[k];
});
this.cleanUp();
}
nodeUtil.inherits(Network, EventEmitter);
Network.prototype.cleanUp = function() {
this.started = false;
this.connectedPeers = [];
this.peerId = null;
this.privkey = null; //TODO: hide privkey in a closure
this.key = null;
this.copayerId = null;
this.allowedCopayerIds = null;
this.isInboundPeerAuth = [];
this.copayerForPeer = {};
this.connections = {};
this.criticalErr = '';
if (this.peer) {
this.peer.disconnect();
this.peer.destroy();
this.peer.removeAllListeners();
this.peer = null;
}
this.closing = 0;
this.tries = 0;
this.removeAllListeners();
};
// Array helpers
Network._arrayDiff = function(a, b) {
var seen = [];
var diff = [];
for (var i = 0; i < b.length; i++)
seen[b[i]] = true;
for (var j = 0; j < a.length; j++)
if (!seen[a[j]])
diff.push(a[j]);
return diff;
};
Network._inArray = function(el, array) {
return array.indexOf(el) > -1;
};
Network._arrayPushOnce = function(el, array) {
var ret = false;
if (!Network._inArray(el, array)) {
array.push(el);
ret = true;
}
return ret;
};
Network._arrayRemove = function(el, array) {
var pos = array.indexOf(el);
if (pos >= 0) array.splice(pos, 1);
return array;
};
Network.prototype.connectedCopayers = function() {
var ret = [];
for (var i in this.connectedPeers) {
var copayerId = this.copayerForPeer[this.connectedPeers[i]];
if (copayerId) ret.push(copayerId);
}
return ret;
};
Network.prototype._deletePeer = function(peerId) {
delete this.isInboundPeerAuth[peerId];
delete this.copayerForPeer[peerId];
if (this.connections[peerId]) {
this.connections[peerId].close();
}
delete this.connections[peerId];
this.connectedPeers = Network._arrayRemove(peerId, this.connectedPeers);
};
Network.prototype._onClose = function(peerID) {
this._deletePeer(peerID);
this.emit('disconnect', peerID);
};
Network.prototype.connectToCopayers = function(copayerIds) {
var self = this;
var arrayDiff = Network._arrayDiff(copayerIds, self.connectedCopayers());
arrayDiff.forEach(function(copayerId) {
if (self.allowedCopayerIds && !self.allowedCopayerIds[copayerId]) {
self._deletePeer(self.peerFromCopayer(copayerId));
} else {
self.connectTo(copayerId);
}
});
};
Network.prototype._sendHello = function(copayerId) {
this.send(copayerId, {
type: 'hello',
copayerId: this.copayerId,
});
};
Network.prototype._addConnectedCopayer = function(copayerId, isInbound) {
var peerId = this.peerFromCopayer(copayerId);
this._addCopayerMap(peerId, copayerId);
Network._arrayPushOnce(peerId, this.connectedPeers);
this.emit('connect', copayerId);
};
Network.prototype.getKey = function() {
if (!this.key) {
var key = new bitcore.Key();
key.private = new Buffer(this.privkey, 'hex');
key.regenerateSync();
this.key = key;
}
return this.key;
};
//hex version of one's own nonce
Network.prototype.setHexNonce = function(networkNonce) {
if (networkNonce) {
if (networkNonce.length !== 16)
throw new Error('incorrect length of hex nonce');
this.networkNonce = new Buffer(networkNonce, 'hex');
}
else
this.iterateNonce();
};
//hex version of copayers' nonces
Network.prototype.setHexNonces = function(networkNonces) {
for (var i in networkNonces) {
if (!this.networkNonces)
this.networkNonces = {};
if (networkNonces[i].length === 16)
this.networkNonces[i] = new Buffer(networkNonces[i], 'hex');
}
};
//for oneself
Network.prototype.getHexNonce = function() {
return this.networkNonce.toString('hex');
};
//for copayers
Network.prototype.getHexNonces = function() {
var networkNoncesHex = [];
for (var i in this.networkNonces) {
networkNoncesHex[i] = this.networkNonces[i].toString('hex');
}
return networkNoncesHex;
};
Network.prototype.iterateNonce = function() {
if (!this.networkNonce || this.networkNonce.length !== 8) {
this.networkNonce = new Buffer(8);
this.networkNonce.fill(0);
}
//the first 4 bytes of a nonce is a unix timestamp in seconds
//the second 4 bytes is just an iterated "sub" nonce
//the whole thing is interpreted as one big endian number
var noncep1 = this.networkNonce.slice(0, 4);
noncep1.writeUInt32BE(Math.floor(Date.now()/1000), 0);
var noncep2uint = this.networkNonce.slice(4, 8).readUInt32BE(0);
var noncep2 = this.networkNonce.slice(4, 8);
noncep2.writeUInt32BE(noncep2uint + 1, 0);
return this.networkNonce;
};
Network.prototype._onData = function(enc, isInbound, peerId) {
var encUint8Array = new Uint8Array(enc);
var encbuf = new Buffer(encUint8Array);
var encstr = encbuf.toString();
var privkey = this.privkey;
var key = this.getKey();
try {
var encoded = JSON.parse(encstr);
var prevnonce = this.networkNonces ? this.networkNonces[peerId] : undefined;
var opts = {prevnonce: prevnonce};
var decoded = this._decode(key, encoded, opts);
//if no error thrown in the last step, we can set the copayer's nonce
if (!this.networkNonces)
this.networkNonces = {};
this.networkNonces[peerId] = decoded.nonce;
var databuf = decoded.payload;
var datastr = databuf.toString();
var payload = JSON.parse(datastr);
} catch (e) {
this._deletePeer(peerId);
return;
}
if (isInbound && payload.type === 'hello') {
var payloadStr = JSON.stringify(payload);
//ensure claimed public key is actually the public key of the peer
//e.g., their public key should hash to be their peerId
if (peerId.toString() !== this.peerFromCopayer(payload.copayerId) || peerId.toString() !== this.peerFromCopayer(encoded.pubkey)) {
this._deletePeer(peerId, 'incorrect pubkey for peerId');
return;
}
if (this.allowedCopayerIds && !this.allowedCopayerIds[payload.copayerId]) {
this._deletePeer(peerId);
return;
}
this._addConnectedCopayer(payload.copayerId, isInbound);
this._setInboundPeerAuth(peerId, true);
return;
}
if (!this.copayerForPeer[peerId] || (isInbound && !this.isInboundPeerAuth[peerId])) {
this._deletePeer(peerId);
return;
}
var self = this;
switch (payload.type) {
case 'disconnect':
this._onClose(peerId);
break;
default:
this.emit('data', self.copayerForPeer[peerId], payload, isInbound);
}
};
Network.prototype._checkAnyPeer = function(msg) {
if (this.connectedPeers.length === 1) {
this.emit('onlyYou');
}
};
Network.prototype._setupConnectionHandlers = function(dataConn, toCopayerId) {
var self = this;
var isInbound = toCopayerId ? false : true;
dataConn.on('open', function() {
if (!Network._inArray(dataConn.peer, self.connectedPeers) &&
!self.connections[dataConn.peer]) {
self.connections[dataConn.peer] = dataConn;
// The connecting peer send hello
if (toCopayerId) {
self.emit('connected');
self._sendHello(toCopayerId);
self._addConnectedCopayer(toCopayerId);
}
}
});
dataConn.on('data', function(data) {
self._onData(data, isInbound, dataConn.peer);
});
dataConn.on('error', function(e) {
self._onClose(dataConn.peer);
self._checkAnyPeer();
self.emit('dataError');
});
dataConn.on('close', function() {
if (self.closing) return;
self._onClose(dataConn.peer);
self._checkAnyPeer();
});
};
Network.prototype._handlePeerOpen = function(openCallback) {
this.connectedPeers = [this.peerId];
this.copayerForPeer[this.peerId] = this.copayerId;
return openCallback();
};
Network.prototype._handlePeerError = function(err) {
console.log('RECV ERROR: ', err);
if (err.message.match(/Could\snot\sconnect\sto peer/)) {
this._checkAnyPeer();
} else {
this.criticalError = err.message;
}
};
Network.prototype._handlePeerConnection = function(dataConn) {
if (this.connectedPeers.length >= self.maxPeers) {
dataConn.on('open', function() {
dataConn.close();
});
} else {
this._setInboundPeerAuth(dataConn.peer, false);
this._setupConnectionHandlers(dataConn);
}
};
Network.prototype._setupPeerHandlers = function(openCallback) {
var p = this.peer;
p.on('open', this._handlePeerOpen.bind(this, openCallback));
p.on('error', this._handlePeerError.bind(this));
p.on('connection', this._handlePeerConnection.bind(this));
};
Network.prototype._addCopayerMap = function(peerId, copayerId) {
if (!this.copayerForPeer[peerId]) {
if (Object.keys(this.copayerForPeer).length < this.maxPeers) {
this.copayerForPeer[peerId] = copayerId;
} else {}
}
};
Network.prototype._setInboundPeerAuth = function(peerId, isAuthenticated) {
this.isInboundPeerAuth[peerId] = isAuthenticated;
};
Network.prototype.setCopayerId = function(copayerId) {
if (this.started) {
throw new Error('network already started: can not change peerId')
}
this.copayerId = copayerId;
this.copayerIdBuf = new Buffer(copayerId, 'hex');
this.peerId = this.peerFromCopayer(this.copayerId);
this._addCopayerMap(this.peerId, copayerId);
};
// TODO cache this.
Network.prototype.peerFromCopayer = function(hex) {
var SIN = bitcore.SIN;
return new SIN(new Buffer(hex, 'hex')).toString();
};
Network.prototype.start = function(opts, openCallback) {
opts = opts || {};
if (this.started) return openCallback();
if (!this.privkey)
this.privkey = opts.privkey;
this.maxPeers = opts.maxPeers || this.maxPeers;
if (opts.token)
this.opts.token = opts.token;
if (!this.copayerId)
this.setCopayerId(opts.copayerId);
var self = this;
var setupPeer = function() {
if (self.connectedPeers.length > 0) return; // Already connected!
if (self.peer) {
self.peer.destroy();
self.peer.removeAllListeners();
}
if (!self.criticalError && self.tries < self.reconnectAttempts) {
self.tries++;
self.opts.token = util.sha256(self.peerId).toString('hex');
self.peer = new Peer(self.peerId, self.opts);
self.started = true;
self._setupPeerHandlers(openCallback);
setTimeout(setupPeer, 3000); // Schedule retry
return;
}
if (self.criticalError && self.criticalError.match(/taken/)) {
self.criticalError = ' Looks like you are already connected to this wallet please close all other Copay Wallets '
}
self.emit('serverError', self.criticalError);
self.cleanUp();
}
this.tries = 0;
setupPeer();
};
Network.prototype.getOnlinePeerIDs = function() {
return this.connectedPeers;
};
Network.prototype.getPeer = function() {
return this.peer;
};
Network.prototype._encode = function(topubkey, fromkey, payload, opts) {
var encoded = Message.encode(topubkey, fromkey, payload, opts);
return encoded;
};
Network.prototype._decode = function(key, encoded, opts) {
var decoded = Message.decode(key, encoded, opts);
return decoded;
};
Network.prototype._sendToOne = function(copayerId, payload, cb) {
if (!Buffer.isBuffer(payload))
throw new Error('payload must be a buffer');
var peerId = this.peerFromCopayer(copayerId);
if (peerId !== this.peerId) {
var dataConn = this.connections[peerId];
if (dataConn) {
dataConn.send(payload);
}
}
if (typeof cb === 'function') cb();
};
Network.prototype.send = function(copayerIds, payload, cb) {
if (!payload) return cb();
var self = this;
if (!copayerIds) {
copayerIds = this.connectedCopayers();
payload.isBroadcast = 1;
}
if (typeof copayerIds === 'string')
copayerIds = [copayerIds];
var payloadStr = JSON.stringify(payload);
var payloadBuf = new Buffer(payloadStr);
var l = copayerIds.length;
var i = 0;
copayerIds.forEach(function(copayerId) {
self.iterateNonce();
var opts = {nonce: self.networkNonce};
var copayerIdBuf = new Buffer(copayerId, 'hex');
var encPayload = self._encode(copayerIdBuf, self.getKey(), payloadBuf, opts);
var enc = new Buffer(JSON.stringify(encPayload));
self._sendToOne(copayerId, enc, function() {
if (++i === l && typeof cb === 'function') cb();
});
});
};
Network.prototype.isOnline = function() {
return !!this.peer;
};
Network.prototype.connectTo = function(copayerId) {
var self = this;
var peerId = this.peerFromCopayer(copayerId);
var dataConn = this.peer.connect(peerId, {
serialization: 'none',
reliable: true,
});
self._setupConnectionHandlers(dataConn, copayerId);
};
Network.prototype.lockIncommingConnections = function(allowedCopayerIdsArray) {
this.allowedCopayerIds = {};
for (var i in allowedCopayerIdsArray) {
this.allowedCopayerIds[allowedCopayerIdsArray[i]] = true;
}
};
Network.prototype.disconnect = function(cb, forced) {
var self = this;
self.closing = 1;
self.send(null, {
type: 'disconnect'
}, function() {
self.cleanUp();
if (typeof cb === 'function') cb();
});
};
module.exports = Network;

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@ -16,7 +16,7 @@
<script src="../js/copayBundle.js"></script>
<script src="test.blockchain.Insight.js"></script>
<script src="test.Message.js"></script>
<script src="test.network.WebRTC.js"></script>
<script src="test.network.Async.js"></script>
<script src="test.PayPro.js"></script>
<script src="test.PrivateKey.js"></script>
<script src="test.PublicKeyRing.js"></script>

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@ -1,507 +0,0 @@
'use strict';
var chai = chai || require('chai');
var should = chai.should();
var expect = chai.expect;
var sinon = sinon || require('sinon');
var bitcore = bitcore || require('bitcore');
var WebRTC = require('../js/models/network/WebRTC');
describe('Network / WebRTC', function() {
it('should create an instance', function() {
var n = new WebRTC();
should.exist(n);
});
describe('#WebRTC constructor', function() {
it('should set reconnect attempts', function() {
var n = new WebRTC();
n.reconnectAttempts.should.equal(3);
});
it('should call cleanUp', function() {
var save = WebRTC.prototype.cleanUp;
WebRTC.prototype.cleanUp = sinon.spy();
var n = new WebRTC();
n.cleanUp.calledOnce.should.equal(true);
WebRTC.prototype.cleanUp = save;
});
});
describe('#cleanUp', function() {
it('should not set netKey', function() {
var n = new WebRTC();
(n.netKey === undefined).should.equal(true);
});
it('should set privkey to null', function() {
var n = new WebRTC();
n.cleanUp();
expect(n.privkey).to.equal(null);
});
it('should remove handlers', function() {
var n = new WebRTC();
var save = WebRTC.prototype.removeAllListeners;
var spy = WebRTC.prototype.removeAllListeners = sinon.spy();
n.cleanUp();
spy.calledOnce.should.equal(true);
WebRTC.prototype.removeAllListeners = save;
});
});
describe('#_setupPeerHandlers', function() {
var n = new WebRTC();
n.peer = {};
var spy = n.peer.on = sinon.spy();
it('should setup handlers', function() {
n._setupPeerHandlers();
spy.calledWith('connection').should.equal(true);
spy.calledWith('open').should.equal(true);
spy.calledWith('error').should.equal(true);
});
});
describe('#_handlePeerOpen', function() {
var n = new WebRTC();
it('should call openCallback handler', function(done) {
n.peerId = 1;
n.copayerId = 2;
n._handlePeerOpen(function() {
n.connectedPeers.should.deep.equal([1]);
n.copayerForPeer.should.deep.equal({
1: 2
});
done();
});
});
});
describe('#_handlePeerError', function() {
var log = console.log;
var n = new WebRTC();
it('should call _checkAnyPeer on could not connect error', function() {
var save = n._checkAnyPeer;
var spy = n._checkAnyPeer = sinon.spy();
var logSpy = console.log = sinon.spy();
n._handlePeerError({
message: 'Could not connect to peer xxx'
});
console.log = log;
spy.called.should.equal(true);
logSpy.called.should.equal(true);
n._checkAnyPeer = save;
});
it('should call not call _checkAnyPeer other error', function() {
var save = n._checkAnyPeer;
var spy = n._checkAnyPeer = sinon.spy();
var otherMessage = 'Could connect to peer xxx';
var logSpy = console.log = sinon.spy();
n._handlePeerError({
message: otherMessage,
});
console.log = log;
spy.called.should.equal(false);
n.criticalError.should.equal(otherMessage);
logSpy.called.should.equal(true);
n._checkAnyPeer = save;
});
});
describe('#_encode', function() {
it('should encode data successfully', function() {
var n = new WebRTC();
var data = new bitcore.Buffer('my data to encode');
var privkeystr = new bitcore.Buffer('test privkey');
var privkey = bitcore.util.sha256(privkeystr);
var key = new bitcore.Key();
key.private = privkey;
key.regenerateSync();
var encoded = n._encode(key.public, key, data);
should.exist(encoded);
encoded.sig.length.should.not.equal(0);
encoded.pubkey.length.should.not.equal(0);
encoded.encrypted.length.should.not.equal(0);
});
});
describe('#_decode', function() {
it('should decode that which was encoded', function() {
var n = new WebRTC();
var data = new bitcore.Buffer('my data to encrypt');
var privkeystr = new bitcore.Buffer('test privkey');
var privkey = bitcore.util.sha256(privkeystr);
var key = new bitcore.Key();
key.private = privkey;
key.regenerateSync();
var encoded = n._encode(key.public, key, data);
var decoded = n._decode(key, encoded);
encoded.sig.should.not.equal(0);
decoded.payload.toString().should.equal('my data to encrypt');
});
});
describe('#send', function() {
it('should call _sendToOne for a copayer', function(done) {
var n = new WebRTC();
n.privkey = bitcore.util.sha256('test');
var data = new bitcore.Buffer('my data to send');
var privkeystr = new bitcore.Buffer('test privkey');
var privkey = bitcore.util.sha256(privkeystr);
var key = new bitcore.Key();
key.private = privkey;
key.regenerateSync();
var copayerId = key.public.toString('hex');
n._sendToOne = function(a1, a2, cb) {
cb();
};
var opts = {};
n.send(copayerId, data, function() {
done();
});
});
it('should call _sendToOne with encrypted data for a copayer', function(done) {
var n = new WebRTC();
n.privkey = bitcore.util.sha256('test');
var data = new bitcore.Buffer('my data to send');
var privkeystr = new bitcore.Buffer('test privkey');
var privkey = bitcore.util.sha256(privkeystr);
var key = new bitcore.Key();
key.private = privkey;
key.regenerateSync();
var copayerId = key.public.toString('hex');
n._sendToOne = function(a1, enc, cb) {
var encPayload = JSON.parse(enc.toString());
encPayload.sig.length.should.be.greaterThan(0);
cb();
};
var opts = {};
n.send(copayerId, data, function() {
done();
});
});
it('should call _sendToOne for a list of copayers', function(done) {
var n = new WebRTC();
n.privkey = bitcore.util.sha256('test');
var data = new bitcore.Buffer('my data to send');
var privkeystr = new bitcore.Buffer('test privkey');
var privkey = bitcore.util.sha256(privkeystr);
var key = new bitcore.Key();
key.private = privkey;
key.regenerateSync();
var copayerIds = [key.public.toString('hex')];
n._sendToOne = function(a1, a2, cb) {
cb();
};
var opts = {};
n.send(copayerIds, data, function() {
done();
});
});
});
describe('#_onData', function() {
var privkey1 = bitcore.util.sha256('test privkey 1');
var privkey2 = bitcore.util.sha256('test privkey 2');
var privkey3 = bitcore.util.sha256('test privkey 2');
var key1 = new bitcore.Key();
key1.private = privkey1;
key1.regenerateSync();
var key2 = new bitcore.Key();
key2.private = privkey2;
key2.regenerateSync();
var key3 = new bitcore.Key();
key3.private = privkey3;
key3.regenerateSync();
it('should not reject data sent from a peer with hijacked pubkey', function() {
var n = new WebRTC();
n.privkey = key2.private.toString('hex');
var message = {
type: 'hello',
copayerId: key1.public.toString('hex')
};
var messagestr = JSON.stringify(message);
var messagebuf = new Buffer(messagestr);
var encoded = n._encode(key2.public, key1, messagebuf);
var encodedstr = JSON.stringify(encoded);
var encodeduint = new Buffer(encodedstr);
var isInbound = true;
var peerId = new bitcore.SIN(key1.public);
n._deletePeer = sinon.spy();
n._onData(encodeduint, isInbound, peerId);
n._deletePeer.calledOnce.should.equal(false);
});
it('should reject data sent from a peer with hijacked pubkey', function() {
var n = new WebRTC();
n.privkey = key2.private.toString('hex');
var message = {
type: 'hello',
copayerId: key3.public.toString('hex') //MITM pubkey 3
};
var messagestr = JSON.stringify(message);
var messagebuf = new Buffer(messagestr);
var encoded = n._encode(key2.public, key1, messagebuf);
var encodedstr = JSON.stringify(encoded);
var encodeduint = new Buffer(encodedstr);
var isInbound = true;
var peerId = new bitcore.SIN(key1.public);
n._deletePeer = sinon.spy();
n._onData(encodeduint, isInbound, peerId);
n._deletePeer.calledOnce.should.equal(true);
n._deletePeer.getCall(0).args[0].should.equal(peerId);
n._deletePeer.getCall(0).args[1].should.equal('incorrect pubkey for peerId');
});
it('should not reject data sent from a peer with no previously set nonce but who is setting one now', function() {
var n = new WebRTC();
n.privkey = key2.private.toString('hex');
//n.networkNonces = {};
//n.networkNonces[(new bitcore.SIN(key1.public)).toString()] = new Buffer('0000000000000001', 'hex'); //previously used nonce
var message = {
type: 'hello',
copayerId: key1.public.toString('hex')
};
var messagestr = JSON.stringify(message);
var messagebuf = new Buffer(messagestr);
var opts = {nonce: new Buffer('0000000000000001', 'hex')}; //message send with new nonce
var encoded = n._encode(key2.public, key1, messagebuf, opts);
var encodedstr = JSON.stringify(encoded);
var encodeduint = new Buffer(encodedstr);
var isInbound = true;
var peerId = new bitcore.SIN(key1.public);
n._deletePeer = sinon.spy();
n._onData(encodeduint, isInbound, peerId);
n._deletePeer.calledOnce.should.equal(false);
n.getHexNonces()[(new bitcore.SIN(key1.public)).toString()].toString('hex').should.equal('0000000000000001');
});
it('should not reject data sent from a peer with a really big new nonce', function() {
var n = new WebRTC();
n.privkey = key2.private.toString('hex');
n.networkNonces = {};
n.networkNonces[(new bitcore.SIN(key1.public)).toString()] = new Buffer('5000000000000001', 'hex'); //previously used nonce
var message = {
type: 'hello',
copayerId: key1.public.toString('hex')
};
var messagestr = JSON.stringify(message);
var messagebuf = new Buffer(messagestr);
var opts = {nonce: new Buffer('5000000000000002', 'hex')}; //message send with new nonce
var encoded = n._encode(key2.public, key1, messagebuf, opts);
var encodedstr = JSON.stringify(encoded);
var encodeduint = new Buffer(encodedstr);
var isInbound = true;
var peerId = new bitcore.SIN(key1.public);
n._deletePeer = sinon.spy();
n._onData(encodeduint, isInbound, peerId);
n._deletePeer.calledOnce.should.equal(false);
});
it('should not reject data sent from a peer with a really big new nonce', function() {
var n = new WebRTC();
n.privkey = key2.private.toString('hex');
n.networkNonces = {};
n.networkNonces[(new bitcore.SIN(key1.public)).toString()] = new Buffer('5000000000000001', 'hex'); //previously used nonce
var message = {
type: 'hello',
copayerId: key1.public.toString('hex')
};
var messagestr = JSON.stringify(message);
var messagebuf = new Buffer(messagestr);
var opts = {nonce: new Buffer('5000000000000002', 'hex')}; //message send with new nonce
var encoded = n._encode(key2.public, key1, messagebuf, opts);
var encodedstr = JSON.stringify(encoded);
var encodeduint = new Buffer(encodedstr);
var isInbound = true;
var peerId = new bitcore.SIN(key1.public);
n._deletePeer = sinon.spy();
n._onData(encodeduint, isInbound, peerId);
n._deletePeer.calledOnce.should.equal(false);
});
it('should reject data sent from a peer with an outdated nonce', function() {
var n = new WebRTC();
n.privkey = key2.private.toString('hex');
n.networkNonces = {};
n.networkNonces[(new bitcore.SIN(key1.public)).toString()] = new Buffer('0000000000000002', 'hex'); //previously used nonce
var message = {
type: 'hello',
copayerId: key1.public.toString('hex')
};
var messagestr = JSON.stringify(message);
var messagebuf = new Buffer(messagestr);
var opts = {nonce: new Buffer('0000000000000001', 'hex')}; //message send with old nonce
var encoded = n._encode(key2.public, key1, messagebuf, opts);
var encodedstr = JSON.stringify(encoded);
var encodeduint = new Buffer(encodedstr);
var isInbound = true;
var peerId = new bitcore.SIN(key1.public);
n._deletePeer = sinon.spy();
n._onData(encodeduint, isInbound, peerId);
n._deletePeer.calledOnce.should.equal(true);
});
it('should reject data sent from a peer with a really big outdated nonce', function() {
var n = new WebRTC();
n.privkey = key2.private.toString('hex');
n.networkNonces = {};
n.networkNonces[(new bitcore.SIN(key1.public)).toString()] = new Buffer('5000000000000002', 'hex'); //previously used nonce
var message = {
type: 'hello',
copayerId: key1.public.toString('hex')
};
var messagestr = JSON.stringify(message);
var messagebuf = new Buffer(messagestr);
var opts = {nonce: new Buffer('5000000000000001', 'hex')}; //message send with old nonce
var encoded = n._encode(key2.public, key1, messagebuf, opts);
var encodedstr = JSON.stringify(encoded);
var encodeduint = new Buffer(encodedstr);
var isInbound = true;
var peerId = new bitcore.SIN(key1.public);
n._deletePeer = sinon.spy();
n._onData(encodeduint, isInbound, peerId);
n._deletePeer.calledOnce.should.equal(true);
});
});
describe('#setHexNonce', function() {
it('should set a nonce from a hex value', function() {
var hex = '0000000000000000';
var n = new WebRTC();
n.setHexNonce(hex);
n.getHexNonce().should.equal(hex);
n.networkNonce.toString('hex').should.equal(hex);
});
});
describe('#setHexNonces', function() {
it('should set a nonce from a hex value', function() {
var hex = '0000000000000000';
var n = new WebRTC();
n.setHexNonces({fakeid: hex});
n.getHexNonces().fakeid.should.equal(hex);
});
});
describe('#getHexNonce', function() {
it('should get a nonce hex value', function() {
var hex = '0000000000000000';
var n = new WebRTC();
n.setHexNonce(hex);
n.getHexNonce().should.equal(hex);
});
});
describe('#getHexNonces', function() {
it('should get a nonce from a hex value', function() {
var hex = '0000000000000000';
var n = new WebRTC();
n.setHexNonces({fakeid: hex});
n.getHexNonces().fakeid.should.equal(hex);
});
});
describe('#iterateNonce', function() {
it('should set a nonce not already set', function() {
var n = new WebRTC();
n.iterateNonce();
n.networkNonce.slice(4, 8).toString('hex').should.equal('00000001');
n.networkNonce.slice(0, 4).toString('hex').should.not.equal('00000000');
});
it('called twice should increment', function() {
var n = new WebRTC();
n.iterateNonce();
n.networkNonce.slice(4, 8).toString('hex').should.equal('00000001');
n.iterateNonce();
n.networkNonce.slice(4, 8).toString('hex').should.equal('00000002');
});
it('should set the first byte to the most significant "now" digit', function() {
var n = new WebRTC();
n.iterateNonce();
var buf = new Buffer(4);
buf.writeUInt32BE(Math.floor(Date.now()/1000), 0);
n.networkNonce[0].should.equal(buf[0]);
});
});
});