Add native message maker

native/gen_native_message.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import os
+import sys
+import json
+import struct
+
+
+def usage():
+    """Show usage and exit with non-zero status."""
+    sys.stderr.write(
+        "\n[+] Usage: %s cmd [command] | %s\n"
+        % (os.path.basename(__file__), "native_main.py")
+    )
+
+    sys.stderr.write("\n   - Note: Use '..' as key-value separator")
+    sys.stderr.write(
+        "\n   - Example: %s %s %s %s | %s\n"
+        % (
+            os.path.basename(__file__),
+            "cmd..win_restart_firefox",
+            "profiledir..auto",
+            "browser..firefox",
+            "native_main.py",
+        )
+    )
+
+    exit(-1)
+
+
+if __name__ == "__main__":
+    """Main functionalities are here for now."""
+    separator = ".."
+    msg = dict()
+    if len(sys.argv) > 1:
+        for i in range(1, len(sys.argv)):
+            key = sys.argv[i].strip().split(separator)[0]
+            val = sys.argv[i].strip().split(separator)[1]
+            msg[key] = val
+
+    if len(sys.argv) == 1:
+        usage()
+
+    msg = json.dumps(msg)
+    msg = "\r\n" + msg + "\r\n"
+    msg = msg.encode("utf-8")
+    packed_len = struct.pack("@I", len(msg))
+
+    sys.stdout.buffer.write(packed_len + msg)
+    sys.stdout.flush()