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server.js
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server.js
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var ffi = require('ffi-napi')
var ref = require('ref-napi');
//var ArrayType = require('ref-array-di')(ref);
//var StructType = require('ref-struct-di')(ref);
//var Union = require('ref-union-di')(ref);
var {
winapi,
user32,
gdi32,
constants,
wintypes,
kernel32
} = require('./winapi.js')
var util=require('node:util')
var udp = require('dgram');
var udps = udp.createSocket({
type: 'udp4',
reuseAddr: true // <- NOTE: we are asking OS to let us reuse port
});
var t={};
const HWND_BROADCAST = 0xffff;
var commands={"messagebox":_=>user32.MessageBoxA(0, "example", "something fun here as well", constants.msgbox.MB_OK | constants.msgbox.MB_ICONEXCLAMATION),
"eval":_=>util.inspect(eval(_)),
"getavailableclipboardformats":_=>{
var clipcount = user32.CountClipboardFormats();
var clipformats = [];
var intervalue = 0;
while (clipcount--) {
intervalue = user32.EnumClipboardFormats(intervalue)
clipformats.push(intervalue)
}
console.log(clipformats)
console.log(clipformats.map(_ => constants.clipboardFormats[_]))
},
"getclipboard":_=>{
return winapi.goodies.getClipboard(+_).toString()
},
"paste":_=>{
return winapi.goodies.wsendFocus(constants.msg.WM_PASTE,0,0);
},
"setclipboard":_=>{
var x=splitat(_);
if(x.length<2){
return "Err";
}
function splitat(str,substr=","){
var i=str.indexOf(substr);
if(i==-1)return [str];
return [str.slice(0,i),str.slice(i+1)]
}
return winapi.goodies.setClipboard(+x[0],Buffer.from(x[1]+'\0'))?"Err":"ok";
},
"copy":_=>{
return winapi.goodies.wsendFocus(constants.msg.WM_COPY,0,0);
},"usetcp":_=>{
var net = require('net');
var server = net.createServer(function(socket) {
socket.write('Echo server\r\n');
socket.pipe(socket);
});
server.listen(1337, '127.0.0.1');
}
,"sendahkString":_=>winapi.goodies.sendInputAhk(_)
};
udps.on('message',async function(msg,info){
t[info.address+'/'+info.port]=info;
console.log('Data received: ' + msg.toString());
console.log('Received %d bytes from %s:%d\n',msg.length, info.address, info.port);
/*try{
JSON.stringify(msg.toString());
}catch(x)console.log('not a json command');*/
var c=msg.toString().match(/^([^ ]*)(?: (.*))?/)
console.log(c,c[1],c[2])
if(c[1].trim() in commands){
var r=await commands[c[1].trim()](c[2]);
udps.send(Buffer.from(typeof r=="object"?JSON.stringify(r):(r?.toString()??"ok")),info.port,info.address,console.log)
}
else {
udps.send(Buffer.from(`command ${c[1].trim()} not found`),info.port,info.address,console.log);
}
});
function msg(msg){
//sending msg
Object.entries(t).forEach(([k,v])=>udps.send(Buffer.from(msg),v.port,v.address,console.log));
}
udps.bind(2222);
var mwin = winapi.goodies.createWindow({
className: "someclass\0",
ExStyle: 0,
title: "Title Text\0",
Style: constants.styles.WS_OVERLAPPEDWINDOW,
X: 0,
Y: 0,
nWidth: 640,
nHeight: 480,
hWndParent: 0,
hMenu: 0,
hInstance: 0,
lParam: ref.NULL,
swflag:constants.ShowWindow.SW_HIDE
});
user32.AddClipboardFormatListener(mwin.hwnd);
mwin.on("WM_CLIPBOARDUPDATE", (obj) => {
var {
hwnd,
wParam,
lParam
} = obj;
// msg("Clipboard has changed mf");
if (!user32.IsClipboardFormatAvailable(constants.clipboardFormats.CF_TEXT) || !user32.OpenClipboard(hwnd))
return;
var clipcount = user32.CountClipboardFormats();
var clipformats = [];
var intervalue = 0;
while (clipcount--) {
intervalue = user32.EnumClipboardFormats(intervalue)
clipformats.push(intervalue)
}
console.log(clipformats)
console.log(clipformats.map(_ => constants.clipboardFormats[_]))
var hglb = user32.GetClipboardData(constants.clipboardFormats.CF_TEXT) //,wintypes.HGLOBAL);
var lptstr = kernel32.GlobalLock(hglb);
var size = kernel32.GlobalSize(hglb);
console.log("buffer size:", size)
// msg(ref.reinterpret(lptstr, size).toString());
kernel32.GlobalUnlock(hglb)
user32.CloseClipboard();
});
mwin.on("WM_PAINT", (obj) => {
var {
hwnd,
wParam,
lParam
} = obj;
const DT_SINGLELINE = 0x20;
const DT_NOCLIP = 0x100;
var ps = new wintypes.PAINTSTRUCT();
var rect = new wintypes.RECT();
var hdc = user32.BeginPaint(hwnd, ps.ref());
//console.log(buf2hex(ps.rcPaint['ref.buffer']));
user32.FillRect(hdc, ps.rcPaint.ref(), 4);
gdi32.TextOutA(hdc, 50, 50, "this is a test\0", 8);
user32.DrawTextA(hdc, "Hello World!", -1, rect.ref(), DT_SINGLELINE | DT_NOCLIP);
user32.EndPaint(hwnd, ps.ref());
obj.preventDefaulted = true;
obj.result = 0;
});
//winapi.goodies.win32messageHandler.open();
mwin.on("WM_DESTROY", (obj) => {
console.log("Did you just click the X button on me?");
user32.PostQuitMessage(0);
//winapi.goodies.win32messageHandler.close();
obj.preventDefaulted = true;
obj.result = 0;
udps.close();
});
mwin.on("WM_HOTKEY",(..._)=>conole.log(..._,"window hotkey, called"));
const MOD_ALT = 0x0001;
const MOD_NOREPEAT = 0x4000;
const MOD_CONTROL = 0x2;
const MOD_SHIFT = 0x4;
winapi.goodies.callbacks = [mwin];