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add authentication via new Message core class

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This commit is contained in:
Ryan X. Charles 2014-06-26 08:49:22 -07:00
commit 543c42a6a8
9 changed files with 226 additions and 23 deletions
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35
js/models/network/WebRTC.js
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@ -5,6 +5,7 @@ var EventEmitter = imports.EventEmitter || require('events').EventEmitter;
var bitcore = require('bitcore');
var util = bitcore.util;
var extend = require('util')._extend;
var Message = require('../core/Message');
/*
* Emits
* 'connect'
@ -45,6 +46,7 @@ Network.prototype.cleanUp = function() {
this.connectedPeers = [];
this.peerId = null;
this.privkey = null; //TODO: hide privkey in a closure
this.key = null;
this.copayerId = null;
this.signingKey = null;
this.allowedCopayerIds = null;
@ -151,16 +153,30 @@ Network.prototype._addConnectedCopayer = function(copayerId, isInbound) {
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;
};
Network.prototype._onData = function(enchex, isInbound, peerId) {
var sig, payload;
var encUint8Array = new Uint8Array(enchex);
var encbuf = new Buffer(encUint8Array);
var encstr = encbuf.toString();
var privkey = this.privkey;
var key = this.getKey();
try {
var data = this._decrypt(privkey, encbuf);
payload = JSON.parse(data);
var encoded = JSON.parse(encstr);
var databuf = this._decode(key, encoded);
var datastr = databuf.toString();
payload = JSON.parse(datastr);
} catch (e) {
this._deletePeer(peerId);
return;
@ -349,18 +365,19 @@ Network.prototype.getPeer = function() {
return this.peer;
};
Network.prototype._encrypt = function(pubkey, payload) {
var encrypted = bitcore.ECIES.encrypt(pubkey, payload);
return encrypted;
Network.prototype._encode = function(topubkey, fromkey, payload) {
var encoded = Message.encode(topubkey, fromkey, payload);
return encoded;
};
Network.prototype._decrypt = function(privkey, encrypted) {
var decrypted = bitcore.ECIES.decrypt(privkey, encrypted);
return decrypted;
Network.prototype._decode = function(key, encoded) {
var payload = Message.decode(key, encoded);
return payload;
};
Network.prototype._sendToOne = function(copayerId, payload, sig, cb) {
console.log('payload: ' + payload);
var peerId = this.peerFromCopayer(copayerId);
if (peerId !== this.peerId) {
var dataConn = this.connections[peerId];
@ -391,7 +408,7 @@ Network.prototype.send = function(copayerIds, payload, cb) {
var i = 0;
copayerIds.forEach(function(copayerId) {
var copayerIdBuf = new Buffer(copayerId, 'hex');
var encPayload = self._encrypt(copayerIdBuf, payloadBuf);
var encPayload = self._encode(copayerIdBuf, self.getKey(), payloadBuf);
self._sendToOne(copayerId, encPayload, sig, function() {
if (++i === l && typeof cb === 'function') cb();
});