first commit

2026-06-05 17:29:09 +05:30
commit b984b55bc0
31 changed files with 5008 additions and 0 deletions
@@ -0,0 +1,47 @@
+// OS input injection for Windows via user32 SendInput (koffi FFI).
+// On non-Windows platforms, exports a stub that logs instead of injecting,
+// so the agent can run in dev/test environments.
+
+const { toVirtualKey } = require('./keymap');
+
+const MOUSEEVENTF_MOVE = 0x0001;
+const MOUSEEVENTF_ABSOLUTE = 0x8000;
+const MOUSEEVENTF_LEFTDOWN = 0x0002;
+const MOUSEEVENTF_LEFTUP = 0x0004;
+const MOUSEEVENTF_RIGHTDOWN = 0x0008;
+const MOUSEEVENTF_RIGHTUP = 0x0010;
+const MOUSEEVENTF_MIDDLEDOWN = 0x0020;
+const MOUSEEVENTF_MIDDLEUP = 0x0040;
+const MOUSEEVENTF_WHEEL = 0x0800;
+const KEYEVENTF_KEYUP = 0x0002;
+const INPUT_MOUSE = 0;
+const INPUT_KEYBOARD = 1;
+
+const BUTTON_DOWN = { 0: MOUSEEVENTF_LEFTDOWN, 1: MOUSEEVENTF_MIDDLEDOWN, 2: MOUSEEVENTF_RIGHTDOWN };
+const BUTTON_UP = { 0: MOUSEEVENTF_LEFTUP, 1: MOUSEEVENTF_MIDDLEUP, 2: MOUSEEVENTF_RIGHTUP };
+
+function createWindowsInjector() {
+  const koffi = require('koffi');
+  const user32 = koffi.load('user32.dll');
+
+  const MOUSEINPUT = koffi.struct('MOUSEINPUT', {
+    dx: 'long', dy: 'long', mouseData: 'int32',
+    dwFlags: 'uint32', time: 'uint32', dwExtraInfo: 'uintptr_t',
+  });
+  const KEYBDINPUT = koffi.struct('KEYBDINPUT', {
+    wVk: 'uint16', wScan: 'uint16',
+    dwFlags: 'uint32', time: 'uint32', dwExtraInfo: 'uintptr_t',
+  });
+  const HARDWAREINPUT = koffi.struct('HARDWAREINPUT', {
+    uMsg: 'uint32', wParamL: 'uint16', wParamH: 'uint16',
+  });
+  const INPUT_UNION = koffi.union('INPUT_UNION', {
+    mi: MOUSEINPUT, ki: KEYBDINPUT, hi: HARDWAREINPUT,
+  });
+  const INPUT = koffi.struct('INPUT', { type: 'uint32', u: INPUT_UNION });
+
+  const SendInput = user32.func('uint32 SendInput(uint32 cInputs, INPUT *pInputs, int cbSize)');
+  const INPUT_SIZE = koffi.sizeof(INPUT);
+
+  function sendMouse(mi) {
+    SendInput(1, [{ type: INPUT_MOUSE, u: { mi: