320 lines
12 KiB
Python
320 lines
12 KiB
Python
from __future__ import annotations
|
|
|
|
import logging
|
|
import os
|
|
import shutil
|
|
import subprocess
|
|
import time
|
|
import winreg
|
|
from dataclasses import dataclass
|
|
from pathlib import Path
|
|
|
|
from .browser_profile import FirefoxHardening, ensure_firefox_profile, persona_env
|
|
from .paths import app_data_dir
|
|
from .signup_prep import SignupDraft, install_signup_extension
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
# CREATE_NO_WINDOW suppresses the console; DETACHED_PROCESS fully separates
|
|
# the child from Python's job object so Firefox lives past Python's exit.
|
|
_CREATE_FLAGS = (
|
|
getattr(subprocess, "CREATE_NO_WINDOW", 0x08000000)
|
|
| getattr(subprocess, "DETACHED_PROCESS", 0x00000008)
|
|
| getattr(subprocess, "CREATE_NEW_PROCESS_GROUP", 0x00000200)
|
|
)
|
|
|
|
|
|
@dataclass
|
|
class BrowserConfig:
|
|
firefox_path: str = ""
|
|
profile_dir: str = ""
|
|
clear_on_close: bool = True
|
|
disposable_profile: bool = False
|
|
kill_on_chain_drop: bool = True
|
|
auto_relaunch: bool = False
|
|
lock_managed_profile: bool = True
|
|
force_proxy: bool = True
|
|
disable_webrtc: bool = True
|
|
resist_fingerprinting: bool = True
|
|
disable_telemetry: bool = True
|
|
first_party_isolation: bool = True
|
|
strict_tracking_protection: bool = True
|
|
timezone_utc: bool = True
|
|
persona: str = "blend_windows_chrome"
|
|
cookie_mode: str = "block_third_party"
|
|
|
|
|
|
def _find_firefox_via_registry() -> str:
|
|
"""Look up Firefox install path in the Windows registry."""
|
|
hives = [
|
|
(winreg.HKEY_LOCAL_MACHINE, r"SOFTWARE\Mozilla\Mozilla Firefox"),
|
|
(winreg.HKEY_LOCAL_MACHINE, r"SOFTWARE\WOW6432Node\Mozilla\Mozilla Firefox"),
|
|
(winreg.HKEY_CURRENT_USER, r"SOFTWARE\Mozilla\Mozilla Firefox"),
|
|
]
|
|
for hive, key_path in hives:
|
|
try:
|
|
with winreg.OpenKey(hive, key_path) as root:
|
|
version = winreg.QueryValue(root, None)
|
|
for sub in (f"{version}\\Main", "bin"):
|
|
try:
|
|
with winreg.OpenKey(root, sub) as k:
|
|
path = winreg.QueryValueEx(k, "PathToExe")[0]
|
|
if path and Path(path).is_file():
|
|
return str(path)
|
|
except OSError:
|
|
continue
|
|
except OSError:
|
|
continue
|
|
|
|
# Also try the "Uninstall" key
|
|
for hive in (winreg.HKEY_LOCAL_MACHINE, winreg.HKEY_CURRENT_USER):
|
|
for root_path in (
|
|
r"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall",
|
|
r"SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall",
|
|
):
|
|
try:
|
|
with winreg.OpenKey(hive, root_path) as base:
|
|
i = 0
|
|
while True:
|
|
try:
|
|
sub = winreg.EnumKey(base, i)
|
|
i += 1
|
|
if "firefox" not in sub.lower():
|
|
continue
|
|
with winreg.OpenKey(base, sub) as k:
|
|
loc = winreg.QueryValueEx(k, "InstallLocation")[0]
|
|
candidate = Path(loc) / "firefox.exe"
|
|
if candidate.is_file():
|
|
return str(candidate)
|
|
except OSError:
|
|
break
|
|
except OSError:
|
|
continue
|
|
return ""
|
|
|
|
|
|
def default_firefox_path() -> str:
|
|
"""Find Firefox.exe — registry first, then well-known paths."""
|
|
# 1) Registry
|
|
reg = _find_firefox_via_registry()
|
|
if reg:
|
|
return reg
|
|
|
|
# 2) Standard install locations
|
|
candidates: list[Path] = [
|
|
Path(r"C:\Program Files\Mozilla Firefox\firefox.exe"),
|
|
Path(r"C:\Program Files (x86)\Mozilla Firefox\firefox.exe"),
|
|
Path(os.path.expandvars(r"%LOCALAPPDATA%\Mozilla Firefox\firefox.exe")),
|
|
Path(os.path.expandvars(r"%APPDATA%\Mozilla Firefox\firefox.exe")),
|
|
]
|
|
# 3) Scoop / winget / portable in PATH
|
|
which = shutil.which("firefox") or shutil.which("firefox.exe")
|
|
if which:
|
|
candidates.insert(0, Path(which))
|
|
|
|
for c in candidates:
|
|
if c.is_file():
|
|
return str(c)
|
|
return ""
|
|
|
|
|
|
def default_profile_dir() -> str:
|
|
return str(app_data_dir() / "browser_profiles" / "firefox_hardened")
|
|
|
|
|
|
def _firefox_is_running_on_system() -> bool:
|
|
"""Check if any firefox.exe process is alive (tasklist, no admin needed)."""
|
|
try:
|
|
r = subprocess.run(
|
|
["tasklist", "/FI", "IMAGENAME eq firefox.exe", "/NH", "/FO", "CSV"],
|
|
capture_output=True, text=True, timeout=6,
|
|
creationflags=getattr(subprocess, "CREATE_NO_WINDOW", 0x08000000),
|
|
)
|
|
return "firefox.exe" in (r.stdout or "").lower()
|
|
except Exception:
|
|
return False
|
|
|
|
|
|
class BrowserSession:
|
|
def __init__(self) -> None:
|
|
self._proc: subprocess.Popen[str] | None = None
|
|
self._profile_path: Path | None = None
|
|
self._launched_at: float = 0.0
|
|
|
|
def is_running(self) -> bool:
|
|
if self._proc is None:
|
|
return False
|
|
# Firefox's initial launcher process exits quickly (code 0) while
|
|
# browser child processes carry on. Poll the parent process but also
|
|
# fall back to checking the system process list so the GUI doesn't
|
|
# falsely report "stopped".
|
|
if self._proc.poll() is None:
|
|
return True
|
|
# Parent has exited — check if any firefox.exe is still alive AND we
|
|
# launched within the last 5 minutes (to avoid false positives from
|
|
# unrelated browser sessions).
|
|
age = time.monotonic() - self._launched_at
|
|
return age < 300 and _firefox_is_running_on_system()
|
|
|
|
def pid(self) -> int | None:
|
|
if self._proc is None:
|
|
return None
|
|
return self._proc.pid
|
|
|
|
def launch(
|
|
self,
|
|
cfg: BrowserConfig,
|
|
proxy_host: str,
|
|
proxy_port: int,
|
|
start_url: str = "",
|
|
signup_draft: SignupDraft | None = None,
|
|
) -> tuple[bool, str]:
|
|
raw_exe = (cfg.firefox_path or default_firefox_path()).strip().strip('"').strip("'")
|
|
if not raw_exe:
|
|
return (
|
|
False,
|
|
"Firefox not found. Install Firefox then set the path in the Browser tab "
|
|
"(or browse to it with the Browse button).",
|
|
)
|
|
exe = Path(raw_exe)
|
|
if not exe.is_file():
|
|
return False, (
|
|
f"Firefox executable not found: {raw_exe} "
|
|
"Use the Browse button on the Browser tab to locate firefox.exe."
|
|
)
|
|
|
|
raw_profile = (cfg.profile_dir or default_profile_dir()).strip().strip('"').strip("'")
|
|
profile_dir = Path(raw_profile)
|
|
|
|
hard = FirefoxHardening(
|
|
force_proxy=cfg.force_proxy,
|
|
disable_webrtc=cfg.disable_webrtc,
|
|
resist_fingerprinting=cfg.resist_fingerprinting,
|
|
disable_telemetry=cfg.disable_telemetry,
|
|
first_party_isolation=cfg.first_party_isolation,
|
|
strict_tracking_protection=cfg.strict_tracking_protection,
|
|
clear_on_shutdown=cfg.clear_on_close,
|
|
timezone_utc=cfg.timezone_utc,
|
|
persona_key=cfg.persona,
|
|
cookie_mode=cfg.cookie_mode,
|
|
)
|
|
|
|
try:
|
|
if cfg.lock_managed_profile:
|
|
ensure_firefox_profile(profile_dir, proxy_host, int(proxy_port), hard)
|
|
if signup_draft is not None:
|
|
install_signup_extension(profile_dir, signup_draft)
|
|
except Exception as e:
|
|
return False, f"Profile setup failed: {e!s}"
|
|
|
|
if self.is_running():
|
|
self.stop()
|
|
|
|
if cfg.lock_managed_profile:
|
|
args = [str(exe), "-no-remote", "-profile", str(profile_dir)]
|
|
else:
|
|
args = [str(exe)]
|
|
|
|
url = (start_url or "").strip()
|
|
if url:
|
|
args.append(url)
|
|
|
|
env = os.environ.copy()
|
|
env.update(persona_env(hard))
|
|
|
|
try:
|
|
self._proc = subprocess.Popen(
|
|
args,
|
|
# DETACHED_PROCESS ensures Firefox outlives Python and is not
|
|
# killed when Python's job object exits. CREATE_NO_WINDOW
|
|
# suppresses any console window. CREATE_NEW_PROCESS_GROUP
|
|
# isolates Ctrl-C handling.
|
|
creationflags=_CREATE_FLAGS,
|
|
stdin=subprocess.DEVNULL,
|
|
stdout=subprocess.DEVNULL,
|
|
stderr=subprocess.DEVNULL,
|
|
text=True,
|
|
env=env,
|
|
)
|
|
except Exception as e:
|
|
self._proc = None
|
|
return False, f"Launch failed: {e!s}"
|
|
|
|
self._launched_at = time.monotonic()
|
|
|
|
# Firefox's multi-process launcher exits (code 0) within ~0.5 s while
|
|
# the actual browser window loads in child processes. We therefore do
|
|
# NOT treat a quick exit of the parent as an error — we just verify
|
|
# that *some* firefox.exe appears in the process list within 3 s.
|
|
deadline = time.monotonic() + 3.0
|
|
found = False
|
|
while time.monotonic() < deadline:
|
|
time.sleep(0.3)
|
|
rc = self._proc.poll()
|
|
# If it already exited with an error code, report it.
|
|
if rc is not None and rc not in (0, None):
|
|
self._proc = None
|
|
return False, f"Firefox exited with error code {rc}."
|
|
if _firefox_is_running_on_system():
|
|
found = True
|
|
break
|
|
|
|
if not found:
|
|
# One last check — maybe the profile write was the only action needed
|
|
# and Firefox opened fast; accept success if parent is still alive.
|
|
if self._proc.poll() is None:
|
|
found = True
|
|
|
|
if not found:
|
|
self._proc = None
|
|
return False, (
|
|
"Firefox did not appear in the process list after 3 s. "
|
|
"Check that the path is correct and Firefox is not already blocked by another -profile lock."
|
|
)
|
|
|
|
self._profile_path = profile_dir if cfg.lock_managed_profile else None
|
|
pid = self._proc.pid
|
|
log.info("Launched hardened Firefox pid=%s profile=%s", pid, profile_dir)
|
|
mode = "hardened profile" if cfg.lock_managed_profile else "unlocked mode"
|
|
return True, f"Firefox started ({mode}, pid {pid})."
|
|
|
|
def stop(self, dispose: bool = False) -> tuple[bool, str]:
|
|
# Capture our PID before clearing the handle
|
|
launched_pid: int | None = self._proc.pid if self._proc else None
|
|
|
|
# Terminate the Popen handle if still alive
|
|
if self._proc and self._proc.poll() is None:
|
|
try:
|
|
self._proc.terminate()
|
|
self._proc.wait(timeout=8)
|
|
except Exception:
|
|
try:
|
|
self._proc.kill()
|
|
except Exception:
|
|
pass
|
|
finally:
|
|
self._proc = None
|
|
|
|
# Kill only the process tree we spawned (handles the detached-child
|
|
# case where the launcher process already exited naturally).
|
|
# /T kills the entire child tree; /PID scopes to our PID only.
|
|
if launched_pid is not None:
|
|
try:
|
|
subprocess.run(
|
|
["taskkill", "/F", "/T", "/PID", str(launched_pid)],
|
|
capture_output=True,
|
|
timeout=10,
|
|
creationflags=getattr(subprocess, "CREATE_NO_WINDOW", 0x08000000),
|
|
)
|
|
except Exception:
|
|
pass
|
|
|
|
self._proc = None
|
|
if dispose and self._profile_path and self._profile_path.exists():
|
|
try:
|
|
shutil.rmtree(self._profile_path, ignore_errors=True)
|
|
except Exception:
|
|
pass
|
|
self._launched_at = 0.0
|
|
return True, "Browser stopped."
|