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Implement voice encryption support

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qeled
2016-03-18 06:32:35 +03:00
parent 27a0361afc
commit 4d6cca72f4
5 changed files with 97 additions and 23 deletions
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46
lib/Voice/VoicePacket.js
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@@ -2,27 +2,45 @@
exports.__esModule = true;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var VoicePacket = function VoicePacket(data, sequence, time, ssrc) {
_classCallCheck(this, VoicePacket);
var _tweetnacl = require("tweetnacl");
var audioBuffer = data,
returnBuffer = new Buffer(audioBuffer.length + 12);
var _tweetnacl2 = _interopRequireDefault(_tweetnacl);
returnBuffer.fill(0);
returnBuffer[0] = 0x80;
returnBuffer[1] = 0x78;
var nonce = new Buffer(24);
nonce.fill(0);
returnBuffer.writeUIntBE(sequence, 2, 2);
returnBuffer.writeUIntBE(time, 4, 4);
returnBuffer.writeUIntBE(ssrc, 8, 4);
var VoicePacket = function VoicePacket(data, sequence, time, ssrc, secret) {
_classCallCheck(this, VoicePacket);
for (var i = 0; i < audioBuffer.length; i++) {
returnBuffer[i + 12] = audioBuffer[i];
}
var mac = secret ? 16 : 0;
var packetLength = data.length + 12 + mac;
return returnBuffer;
var audioBuffer = data;
var returnBuffer = new Buffer(packetLength);
returnBuffer.fill(0);
returnBuffer[0] = 0x80;
returnBuffer[1] = 0x78;
returnBuffer.writeUIntBE(sequence, 2, 2);
returnBuffer.writeUIntBE(time, 4, 4);
returnBuffer.writeUIntBE(ssrc, 8, 4);
if (secret) {
// copy first 12 bytes
returnBuffer.copy(nonce, 0, 0, 12);
audioBuffer = _tweetnacl2["default"].secretbox(data, nonce, secret);
}
for (var i = 0; i < audioBuffer.length; i++) {
returnBuffer[i + 12] = audioBuffer[i];
}
return returnBuffer;
};
exports["default"] = VoicePacket;