github-such-software/adaptive-multi-protocol-browser
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Add route-aware desktop proxy profile

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This commit is contained in:
jwinterm
2026-07-08 10:53:15 -04:00
parent e255093203
commit dad491928e
5 changed files with 159 additions and 8 deletions
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ampbrowser/cli.py
+19 -1
View File
@@ -39,6 +39,11 @@ def main(argv: list[str] | None = None) -> int:
action="store_true",
help="Approve first-use setup in the dry-run plan.",
)
open_parser.add_argument(
"--route-aware",
action="store_true",
help="Launch one desktop profile with PAC routing for clearnet, Tor, and I2P.",
)
open_mode = open_parser.add_mutually_exclusive_group()
open_mode.add_argument(
"--dry-run",
@@ -99,6 +104,7 @@ def main(argv: list[str] | None = None) -> int:
launch=args.launch,
config_path=args.config,
platform=args.platform,
route_aware=args.route_aware,
)
if args.command == "shell":
return _cmd_shell(args.url, approve=args.yes, config_path=args.config)
@@ -162,9 +168,17 @@ def _cmd_open(
launch: bool,
config_path: Path | None,
platform: str | None,
route_aware: bool,
) -> int:
config = load_config(Path.cwd(), config_path)
open_plan = prepare_open(url, consent=consent, dry_run=dry_run, config=config, platform=platform)
open_plan = prepare_open(
url,
consent=consent,
dry_run=dry_run,
config=config,
platform=platform,
route_aware=route_aware,
)
if launch:
open_plan = launch_open_plan(open_plan, config=config, root=Path.cwd())
_print_open_plan("AMPBROWSER_OPEN", open_plan)
@@ -192,6 +206,8 @@ def _print_open_plan(prefix: str, open_plan, extra_fields: tuple[str, ...] = ())
launch_command = shlex.join(launch_spec.command) if launch_spec else "-"
runtime_path = launch_spec.runtime_path if launch_spec else "-"
user_js_path = launch_spec.user_js_path if launch_spec else "-"
route_aware = str(bool(launch_spec and launch_spec.route_aware)).lower()
pac_path = launch_spec.pac_path if launch_spec else "-"
message = _safe(open_plan.message)
extra = (" " + " ".join(extra_fields)) if extra_fields else ""
print(
@@ -210,8 +226,10 @@ def _print_open_plan(prefix: str, open_plan, extra_fields: tuple[str, ...] = ())
f"browser_pid={open_plan.browser_pid} "
f"profile_path={open_plan.profile_path} "
f"proxy={open_plan.proxy} "
f"route_aware={route_aware} "
f"runtime_path={runtime_path} "
f"user_js_path={user_js_path} "
f"pac_path={pac_path} "
f"setup_prompt_title=\"{_safe(open_plan.setup_prompt_title)}\" "
f"setup_prompt_body=\"{_safe(open_plan.setup_prompt_body)}\" "
f"setup_prompt_approve_label=\"{_safe(open_plan.setup_prompt_approve_label)}\" "
ampbrowser/launch.py
+95 -7
View File
@@ -14,6 +14,11 @@ from .config import AppConfig, default_config
from .plan import BrowsePlan, plan_url
ROUTE_AWARE_PROFILE = "route-aware"
ROUTE_AWARE_PAC_NAME = "ampb-proxy.pac"
PAC_URL_PLACEHOLDER = "__AMPB_ROUTE_AWARE_PAC_URL__"
@dataclass(frozen=True)
class BrowserLaunchSpec:
runtime_path: str
@@ -21,6 +26,9 @@ class BrowserLaunchSpec:
user_js_path: str
command: tuple[str, ...]
prefs: tuple[str, ...]
route_aware: bool = False
pac_path: str = "-"
pac_content: str = ""
@dataclass(frozen=True)
@@ -55,12 +63,18 @@ def prepare_open(
dry_run: bool = True,
config: AppConfig | None = None,
platform: str | None = None,
route_aware: bool = False,
) -> OpenPlan:
config = config or default_config()
browse_plan = plan_url(raw_url, config=config, platform=platform)
profile_path = config.profile_path(browse_plan.route.profile)
profile_name = (
ROUTE_AWARE_PROFILE
if route_aware and browse_plan.route.transport in {"clearnet", "tor", "i2p"}
else browse_plan.route.profile
)
profile_path = config.profile_path(profile_name)
proxy = _proxy_for(browse_plan)
launch_spec = _launch_spec_for(browse_plan, config=config, profile_path=profile_path)
launch_spec = _launch_spec_for(browse_plan, config=config, profile_path=profile_path, route_aware=route_aware)
if browse_plan.action.startswith("blocked"):
return OpenPlan(
@@ -77,7 +91,7 @@ def prepare_open(
if browse_plan.requires_consent:
setup_steps = _setup_steps(browse_plan)
setup_prompt = _setup_prompt(browse_plan, setup_steps)
setup_prompt = _setup_prompt(browse_plan, setup_steps, route_aware=route_aware)
if not consent:
return OpenPlan(
browse_plan=browse_plan,
@@ -192,7 +206,7 @@ class _SetupPrompt:
approval_command: str
def _setup_prompt(browse_plan: BrowsePlan, setup_steps: tuple[str, ...]) -> _SetupPrompt:
def _setup_prompt(browse_plan: BrowsePlan, setup_steps: tuple[str, ...], *, route_aware: bool = False) -> _SetupPrompt:
transport = browse_plan.route.transport
label = _transport_label(transport)
platform = browse_plan.platform_capability.platform
@@ -214,7 +228,10 @@ def _setup_prompt(browse_plan: BrowsePlan, setup_steps: tuple[str, ...]) -> _Set
f"{availability} {management} The browser will use {endpoint} for "
f"{browse_plan.route.normalized}. Setup plan: {setup_summary}."
)
approval_command = shlex.join(("ampbrowser", "open", browse_plan.route.normalized, "--yes", "--launch"))
approval_args = ["ampbrowser", "open", browse_plan.route.normalized, "--yes", "--launch"]
if route_aware:
approval_args.append("--route-aware")
approval_command = shlex.join(approval_args)
return _SetupPrompt(
title=f"Set up {label}?",
body=body,
@@ -239,19 +256,25 @@ def _launch_spec_for(
*,
config: AppConfig,
profile_path: str,
route_aware: bool = False,
) -> BrowserLaunchSpec | None:
if browse_plan.route.transport not in {"clearnet", "tor", "i2p"}:
return None
runtime_path = _runtime_path(config)
user_js_path = str(Path(profile_path) / "user.js")
command = (runtime_path, "-no-remote", "-profile", profile_path, browse_plan.route.normalized)
prefs = _prefs_for(browse_plan)
prefs = _prefs_for(browse_plan, route_aware=route_aware)
pac_path = str(Path(profile_path) / ROUTE_AWARE_PAC_NAME) if route_aware else "-"
pac_content = _route_aware_pac() if route_aware else ""
return BrowserLaunchSpec(
runtime_path=runtime_path,
profile_path=profile_path,
user_js_path=user_js_path,
command=command,
prefs=prefs,
route_aware=route_aware,
pac_path=pac_path,
pac_content=pac_content,
)
@@ -277,7 +300,7 @@ def _runtime_candidates(build_root: Path) -> tuple[Path, ...]:
)
def _prefs_for(browse_plan: BrowsePlan) -> tuple[str, ...]:
def _prefs_for(browse_plan: BrowsePlan, *, route_aware: bool = False) -> tuple[str, ...]:
prefs: list[tuple[str, str | int | bool]] = [
("browser.shell.checkDefaultBrowser", False),
("datareporting.policy.dataSubmissionEnabled", False),
@@ -286,6 +309,18 @@ def _prefs_for(browse_plan: BrowsePlan) -> tuple[str, ...]:
("network.predictor.enabled", False),
]
if route_aware:
prefs.extend(
[
("network.proxy.type", 2),
("network.proxy.autoconfig_url", PAC_URL_PLACEHOLDER),
("network.proxy.failover_direct", False),
("network.proxy.socks_remote_dns", True),
("network.proxy.no_proxies_on", ""),
]
)
return tuple(_format_pref(name, value) for name, value in prefs)
transport = browse_plan.route.transport
if transport == "tor" and browse_plan.status:
host, port = _endpoint_host_port(browse_plan.status.endpoint)
@@ -317,6 +352,52 @@ def _prefs_for(browse_plan: BrowsePlan) -> tuple[str, ...]:
return tuple(_format_pref(name, value) for name, value in prefs)
def _route_aware_pac() -> str:
tor_proxy = _pac_proxy_for_endpoint(
"SOCKS5",
_endpoint_for_transport("tor", "socks5://127.0.0.1:9050"),
)
i2p_proxy = _pac_proxy_for_endpoint(
"PROXY",
_endpoint_for_transport("i2p", "http://127.0.0.1:4444"),
)
return "\n".join(
(
"// Managed by AMPB. Route-aware proxy policy.",
"function hasSuffix(value, suffix) {",
" return value.length >= suffix.length && value.substring(value.length - suffix.length) === suffix;",
"}",
"",
"function FindProxyForURL(url, host) {",
' var h = (host || "").toLowerCase();',
' if (h.length > 0 && h.charAt(h.length - 1) === ".") {',
" h = h.substring(0, h.length - 1);",
" }",
' if (hasSuffix(h, ".onion")) {',
f' return "{tor_proxy}";',
" }",
' if (hasSuffix(h, ".i2p")) {',
f' return "{i2p_proxy}";',
" }",
' return "DIRECT";',
"}",
"",
)
)
def _endpoint_for_transport(transport: str, fallback: str) -> str:
adapter = adapter_for(transport)
if adapter:
return adapter.endpoint
return fallback
def _pac_proxy_for_endpoint(proxy_type: str, endpoint: str) -> str:
host, port = _endpoint_host_port(endpoint)
return f"{proxy_type} {host}:{port}"
def _endpoint_host_port(endpoint: str) -> tuple[str, int]:
parsed = urlparse(endpoint)
return parsed.hostname or "127.0.0.1", parsed.port or 0
@@ -335,8 +416,15 @@ def _format_pref(name: str, value: str | int | bool) -> str:
def _write_profile(root: Path, spec: BrowserLaunchSpec) -> None:
profile_path = _path_from(root, spec.profile_path)
profile_path.mkdir(parents=True, exist_ok=True)
pac_url = "-"
if spec.route_aware and spec.pac_content:
pac_path = _path_from(root, spec.pac_path)
pac_path.parent.mkdir(parents=True, exist_ok=True)
pac_path.write_text(spec.pac_content, encoding="utf-8")
pac_url = pac_path.resolve().as_uri()
user_js_path = _path_from(root, spec.user_js_path)
text = "// Managed by AMPB. Local browser profile policy.\n" + "\n".join(spec.prefs) + "\n"
text = text.replace(PAC_URL_PLACEHOLDER, pac_url)
user_js_path.write_text(text, encoding="utf-8")