update uv lock file

Extension ID: bfpmkhngkjnfhabmfckgeohlilokodkg

browser_cli/cli.py

@@ -36,6 +36,7 @@ from browser_cli.platform import install_base_dir, is_windows
 console = Console()
 
 NATIVE_HOST_NAME = "com.browsercli.host"
+EXTENSION_ID = "bfpmkhngkjnfhabmfckgeohlilokodkg"
 
 NATIVE_HOST_DIRS = {
     "chrome": {
@@ -284,7 +285,7 @@ def cmd_install(browser):
         wrapper_content = f'@echo off\r\n"{sys.executable}" "{native_host_script_path}" %*\r\n'
         wrapper_path.write_text(wrapper_content, encoding="utf-8")
 
-    # Ask for extension ID
+    # Load extension
     ext_urls = {
         "chrome": "chrome://extensions",
         "chromium": "chrome://extensions",
@@ -297,10 +298,9 @@ def cmd_install(browser):
     console.print(f"  1. Open [cyan]{ext_url}[/cyan]")
     console.print("  2. Enable [bold]Developer mode[/bold] (top-right toggle)")
     console.print(f"  3. Click [bold]Load unpacked[/bold] → select: [cyan]{Path(__file__).parent.parent / 'extension'}[/cyan]")
-    console.print("  4. Copy the [bold]Extension ID[/bold] shown on the extension card\n")
+    console.print(f"  4. Extension ID will be [cyan]{EXTENSION_ID}[/cyan] (fixed by built-in key)\n")
 
-    extension_id = click.prompt("Paste your extension ID here")
-    extension_id = extension_id.strip()
+    extension_id = EXTENSION_ID
 
     # Build native messaging manifest
     manifest = {

extension/manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "browser-cli",
-  "version": "0.6.0",
+  "version": "0.7.1",
   "description": "Control your browser from the terminal via browser-cli",
   "permissions": [
     "tabs",
@@ -13,7 +13,9 @@
     "nativeMessaging",
     "cookies"
   ],
-  "host_permissions": ["<all_urls>"],
+  "host_permissions": [
+    "<all_urls>"
+  ],
   "background": {
     "service_worker": "background.js"
   },
@@ -29,5 +31,6 @@
       "16": "icons/icon-16.png",
       "32": "icons/icon-32.png"
     }
-  }
+  },
+  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlfCvygCocGbU2Bm2Rg6cnvHN0Lt25gJGJ/XX7VuAccrp4dH+Whj3Fw2vYSjgx90wuWuMl5fsWSsSX9H1k1vp7ImGzszCDnScn+o+KRWrVCQVRD1NEaKavuHoaHyc3Hs+njrM8c7c6u2ygdItZkggwPU0U1dKkixP/DWR9oG13Gr4u39p/xHxITiBh0DROYdoKBzw/J+vT7zWITKyG7QBgLMuoaYc15oqRIm7raBW1GIn1A5V2WPpBM9rMAli4vCyc9rbqsUqO1Yu4SrNIoG+wfz3MED3ajylDH6Jh1bsf1l5EZNDR/EpqBsSQcEV0VXX7nkqchqgzh3bgT9psiUQAQIDAQAB"
 }

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "browser-cli"
-version = "0.6.0"
+version = "0.7.1"
 description = "Control your real running browser from the terminal via a browser extension"
 requires-python = ">=3.10"
 dependencies = [

scripts/gen_extension_key.py

@@ -0,0 +1,74 @@
+#!/usr/bin/env -S uv run
+"""Generate or derive Chrome extension key and ID.
+
+Usage:
+  python scripts/gen_extension_key.py                  # generate new key pair
+  python scripts/gen_extension_key.py --from-manifest  # derive ID from extension/manifest.json
+  python scripts/gen_extension_key.py --key <base64>   # derive ID from given public key
+"""
+import argparse, hashlib
+import base64, json, sys
+from pathlib import Path
+
+def public_key_to_extension_id(pub_key_der:bytes) -> str:
+  digest = hashlib.sha256(pub_key_der).hexdigest()
+  return "".join(chr(ord("a") + int(c, 16)) for c in digest[:32])
+
+def derive_from_key_b64(key_b64:str) -> tuple[str, str]:
+  der = base64.b64decode(key_b64)
+  ext_id = public_key_to_extension_id(der)
+  return key_b64, ext_id
+
+def generate_new_key() -> tuple[str, str, str]:
+  try:
+    from cryptography.hazmat.primitives.asymmetric import rsa
+    from cryptography.hazmat.primitives.serialization import (
+      Encoding,
+      PublicFormat,
+      PrivateFormat,
+      NoEncryption,
+    )
+  except ImportError:
+    print("Install 'cryptography' to generate new keys: pip install cryptography", file=sys.stderr)
+    sys.exit(1)
+
+  private_key = rsa.generate_private_key(public_exponent=65537, key_size=2048)
+  pub_der = private_key.public_key().public_bytes(Encoding.DER, PublicFormat.SubjectPublicKeyInfo)
+  priv_pem = private_key.private_bytes(Encoding.PEM, PrivateFormat.TraditionalOpenSSL, NoEncryption()).decode()
+
+  key_b64 = base64.b64encode(pub_der).decode()
+  ext_id = public_key_to_extension_id(pub_der)
+  return key_b64, ext_id, priv_pem
+
+if __name__ == "__main__":
+  parser = argparse.ArgumentParser(description="Chrome extension key/ID tool")
+  group = parser.add_mutually_exclusive_group()
+  group.add_argument("--from-manifest", action="store_true", help="Derive ID from extension/manifest.json")
+  group.add_argument("--key", metavar="BASE64", help="Derive ID from given base64 public key")
+  args = parser.parse_args()
+
+  if args.from_manifest:
+    manifest_path = Path(__file__).parent.parent / "extension" / "manifest.json"
+    manifest = json.loads(manifest_path.read_text())
+    key_b64 = manifest.get("key")
+    if not key_b64:
+      print("No 'key' field in manifest.json", file=sys.stderr)
+      sys.exit(1)
+    key_b64, ext_id = derive_from_key_b64(key_b64)
+    print(f"Extension ID: {ext_id}")
+    print(f"Key (b64):  {key_b64}")
+
+  elif args.key:
+    key_b64, ext_id = derive_from_key_b64(args.key)
+    print(f"Extension ID: {ext_id}")
+
+  else:
+    key_b64, ext_id, priv_pem = generate_new_key()
+    print(f"Extension ID: {ext_id}")
+    print(f"Key (b64):  {key_b64}")
+    print()
+    print("Add this to extension/manifest.json:")
+    print(f'  "key": "{key_b64}"')
+    print()
+    print("Private key (keep secret, needed to re-derive same ID):")
+    print(priv_pem)

uv.lock

@@ -4,7 +4,7 @@ requires-python = ">=3.10"
 
 [[package]]
 name = "browser-cli"
-version = "0.5.12"
+version = "0.7.1"
 source = { editable = "." }
 dependencies = [
     { name = "click" },