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Code Issues Releases Wiki Activity

Added local remote desktop recording.

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This commit is contained in:
Ylian Saint-Hilaire 2020-05-02 17:59:12 -07:00
parent f5fc3134b3
commit 4606e8beb1
8 changed files with 66 additions and 18 deletions
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45
public/scripts/agent-desktop-0.0.2.js
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@ -196,7 +196,7 @@ var CreateAgentRemoteDesktop = function (canvasid, scrolldiv) {
if (obj.debugmode > 1) { console.log("KRecv(" + str.length + "): " + rstr2hex(str.substring(0, Math.min(str.length, 40)))); }
if (str.length < 4) return;
var cmdmsg = null, X = 0, Y = 0, command = ReadShort(str, 0), cmdsize = ReadShort(str, 2), jumboAdd = 0;
if (obj.recordedData != null) { obj.recordedData.push({ t: Date.now(), d: str }); }
if (obj.recordedData != null) { obj.recordedData.push(recordingEntry(2, 1, str.length)); obj.recordedData.push(str); }
if ((command == 27) && (cmdsize == 8)) {
// Jumbo packet
if (str.length < 12) return;
@ -779,17 +779,56 @@ var CreateAgentRemoteDesktop = function (canvasid, scrolldiv) {
}
obj.StartRecording = function () {
obj.recordedData = [];
obj.recordedStart = Date.now();
if (obj.recordedData != null) return;
// Take a screen shot and save it to file
obj.CanvasId['toBlob'](function (blob) {
var fileReader = new FileReader();
fileReader.readAsArrayBuffer(blob);
fileReader.onload = function (event) {
// This is an ArrayBuffer, convert it to a string array
var binary = '', bytes = new Uint8Array(fileReader.result), length = bytes.byteLength;
for (var i = 0; i < length; i++) { binary += String.fromCharCode(bytes[i]); }
obj.recordedData = [];
obj.recordedStart = Date.now();
obj.recordedSize = 0;
obj.recordedData.push(recordingEntry(1, 0, JSON.stringify({ magic: 'MeshCentralRelaySession', ver: 1, time: new Date().toLocaleString(), protocol: 2 }))); // Metadata (nodeid: obj.nodeid)
obj.recordedData.push(recordingEntry(2, 1, obj.shortToStr(7) + obj.shortToStr(8) + obj.shortToStr(obj.ScreenWidth) + obj.shortToStr(obj.ScreenHeight))); // Screen width and height
// Save a screenshot
var cmdlen = (4 + binary.length);
if (cmdlen > 65000) {
// Jumbo Packet
obj.recordedData.push(recordingEntry(2, 1, obj.shortToStr(27) + obj.shortToStr(8) + obj.intToStr(cmdlen) + obj.shortToStr(3) + obj.shortToStr(0) + obj.shortToStr(0) + obj.shortToStr(0) + binary));
} else {
// Normal packet
obj.recordedData.push(recordingEntry(2, 1, obj.shortToStr(3) + obj.shortToStr(cmdlen) + obj.shortToStr(0) + obj.shortToStr(0) + binary));
}
};
});
}
obj.StopRecording = function () {
if (obj.recordedData == null) return;
var r = obj.recordedData;
r.push(recordingEntry(3, 0, 'MeshCentralMCREC'));
delete obj.recordedData;
delete obj.recordedStart;
delete obj.recordedSize;
return r;
}
function recordingEntry(type, flags, data) {
// Header: Type (2) + Flags (2) + Size(4) + Time(8)
// Type (1 = Header, 2 = Network Data), Flags (1 = Binary, 2 = User), Size (4 bytes), Time (8 bytes)
var now = Date.now();
if (typeof data == 'number') {
obj.recordedSize += data;
return obj.shortToStr(type) + obj.shortToStr(flags) + obj.intToStr(data) + obj.intToStr(now >> 32) + obj.intToStr(now & 32);
} else {
obj.recordedSize += data.length;
return obj.shortToStr(type) + obj.shortToStr(flags) + obj.intToStr(data.length) + obj.intToStr(now >> 32) + obj.intToStr(now & 32) + data;
}
}
// Private method
obj.MuchTheSame = function (a, b) { return (Math.abs(a - b) < 4); }
obj.Debug = function (msg) { console.log(msg); }