159 lines
9.2 KiB
Python
159 lines
9.2 KiB
Python
"""Check native portal wire contracts on a private bus without touching the desktop."""
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import os
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import json
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from pathlib import Path
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import signal
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import subprocess
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import sys
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import tempfile
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import time
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import unittest
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import xml.etree.ElementTree as ET
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REPO = Path(__file__).resolve().parents[2]
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BINARY = REPO / os.environ.get("FERESE_TEST_PORTAL_BINARY", "target/debug/xdg-desktop-portal-ferese")
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NAME = "org.freedesktop.impl.portal.desktop.ferese"
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PATH = "/org/freedesktop/portal/desktop"
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class NativePortalContracts(unittest.TestCase):
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def test_private_bus_contracts(self):
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result = subprocess.run(["dbus-run-session", "--", sys.executable, __file__, "--private"],
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capture_output=True, text=True, timeout=45)
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self.assertEqual(result.returncode, 0, result.stdout + result.stderr)
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def private_bus_checks():
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import gi
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gi.require_version("Gio", "2.0")
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from gi.repository import Gio, GLib
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bus = Gio.bus_get_sync(Gio.BusType.SESSION, None)
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def call(interface, method, parameters, signature=None, destination=NAME):
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return bus.call_sync(destination, PATH, interface, method, parameters,
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GLib.VariantType.new(signature) if signature else None,
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Gio.DBusCallFlags.NO_AUTO_START, 5000, None).unpack()
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with tempfile.TemporaryDirectory(prefix="ferese-portal-contracts-") as directory:
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root = Path(directory)
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config = root / "ferese/config.kdl"
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config.parent.mkdir()
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config.write_text('theme { colors { surface-base "#ffffff"; accent "#ff8000"; }; }; animations { reduced-motion #true; }\n')
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log = (root / "backend.log").open("w")
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process = subprocess.Popen([str(BINARY)], env=dict(os.environ, XDG_CONFIG_HOME=directory),
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stdout=log, stderr=log, start_new_session=True)
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try:
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deadline = time.monotonic() + 15
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while True:
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try:
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xml, = call("org.freedesktop.DBus.Introspectable", "Introspect", None, "(s)")
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break
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except GLib.Error:
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if time.monotonic() > deadline:
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raise AssertionError((root / "backend.log").read_text())
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time.sleep(0.05)
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node = ET.fromstring(xml)
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for name in ("ScreenCast", "Settings", "Screenshot", "Wallpaper", "Background", "Usb"):
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interface = node.find(f"interface[@name='org.freedesktop.impl.portal.{name}']")
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assert interface is not None, name
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expected = ET.parse(f"/usr/share/dbus-1/interfaces/org.freedesktop.impl.portal.{name}.xml").getroot().find("interface")
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for member in expected:
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if member.tag not in ("method", "signal", "property"):
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continue
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actual = interface.find(f"{member.tag}[@name='{member.attrib['name']}']")
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assert actual is not None, (name, member.tag, member.attrib["name"])
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if member.tag == "property":
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assert actual.attrib["type"] == member.attrib["type"]
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else:
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def types(element, direction):
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return [arg.attrib["type"] for arg in element.findall("arg")
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if arg.attrib.get("direction", "out" if element.tag == "signal" else "in") == direction]
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assert types(actual, "in") == types(member, "in"), (name, member.attrib["name"], "in")
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assert types(actual, "out") == types(member, "out"), (name, member.attrib["name"], types(actual, "out"), types(member, "out"))
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values, = call("org.freedesktop.impl.portal.Settings", "ReadAll", GLib.Variant("(as)", ([],)), "(a{sa{sv}})")
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appearance = values["org.freedesktop.appearance"]
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assert appearance["color-scheme"] == 2 and appearance["reduced-motion"] == 1, appearance
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assert appearance["accent-color"][0] == 1. and appearance["accent-color"][2] == 0., appearance
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result, = call("org.freedesktop.impl.portal.Settings", "ReadAll", GLib.Variant("(as)", (["other.*"],)), "(a{sa{sv}})")
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assert result == {}
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try:
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call("org.freedesktop.impl.portal.Settings", "Read", GLib.Variant("(ss)", ("org.freedesktop.appearance", "missing")))
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raise AssertionError("Unknown Settings key succeeded")
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except GLib.Error as error:
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assert "InvalidArgs" in str(error)
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params = GLib.Variant("(ossa{sv})", (PATH + "/request/test/screenshot", "org.test.App", "", {"target": GLib.Variant("u", 99)}))
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try:
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call("org.freedesktop.impl.portal.Screenshot", "Screenshot", params)
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raise AssertionError("Untrusted backend caller succeeded")
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except GLib.Error:
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pass
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request_name = bus.call_sync("org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus", "RequestName",
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GLib.Variant("(su)", ("org.freedesktop.portal.Desktop", 0)), GLib.VariantType.new("(u)"),
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Gio.DBusCallFlags.NONE, 5000, None).unpack()[0]
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assert request_name == 1
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response, values = call("org.freedesktop.impl.portal.Screenshot", "Screenshot", params, "(ua{sv})")
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assert response == 2 and values == {}
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usb_params = GLib.Variant("(oss a(sa{sv}a{sv}) a{sv})".replace(" ", ""),
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(PATH + "/request/test/usb", "", "org.test.App", [], {}))
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response, values = call("org.freedesktop.impl.portal.Usb", "AcquireDevices", usb_params, "(ua{sv})")
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assert response == 2 and values == {}
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call("org.freedesktop.impl.portal.Background", "GetAppState", None, "(a{sv})")
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script = root / "startup.py"
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script.write_text("import json, os, sys\nfd = int(sys.argv[2])\ntry:\n os.fstat(fd); inherited = True\nexcept OSError:\n inherited = False\nopen(sys.argv[1], 'w').write(json.dumps({'args': sys.argv[3:], 'private_fd': inherited, 'socket_env': os.environ.get('WAYLAND_SOCKET')}))\n")
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output = root / "startup.json"
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read_fd, write_fd = os.pipe()
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try:
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arguments = ["value with spaces", "50%", '$dollar `backtick` "quotes" \\ slash']
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argv = [sys.executable, str(script), str(output), str(write_fd)] + arguments
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result, = call("org.freedesktop.impl.portal.Background", "EnableAutostart",
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GLib.Variant("(sbasu)", ("org.test.Startup", True, argv, 0)), "(b)")
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assert result is True
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os.mkfifo(root / "autostart/000-fifo.desktop")
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env = dict(os.environ, XDG_CONFIG_HOME=directory, XDG_CONFIG_DIRS=str(root / "empty"), XDG_CURRENT_DESKTOP="Ferese", WAYLAND_SOCKET=str(write_fd))
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launcher = REPO / "target/debug/feresectl"
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subprocess.run([str(launcher), "autostart"], env=env, pass_fds=(write_fd,), check=True, timeout=20)
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deadline = time.monotonic() + 5
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while not output.exists() and time.monotonic() < deadline:
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time.sleep(0.02)
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actual = json.loads(output.read_text())
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assert actual == {"args": arguments, "private_fd": False, "socket_env": None}, actual
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result, = call("org.freedesktop.impl.portal.Background", "EnableAutostart",
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GLib.Variant("(sbasu)", ("org.test.Startup", False, [], 0)), "(b)")
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assert result is True and not (root / "autostart/org.test.Startup.desktop").exists()
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finally:
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os.close(read_fd)
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os.close(write_fd)
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signals = []
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subscription = bus.signal_subscribe(NAME, "org.freedesktop.impl.portal.Settings", "SettingChanged", PATH,
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None, Gio.DBusSignalFlags.NONE, lambda *args: signals.append(args[-1].unpack()))
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temporary = config.with_suffix(".tmp")
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temporary.write_text('theme { colors { surface-base "#111111"; accent "#0080ff"; }; }; animations { enabled #false; }\n')
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temporary.replace(config)
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deadline = time.monotonic() + 5
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while time.monotonic() < deadline and not any(signal[1] == "color-scheme" for signal in signals):
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GLib.MainContext.default().iteration(False)
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time.sleep(0.02)
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assert any(signal[1] == "color-scheme" and signal[2] == 1 for signal in signals), signals
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assert any(signal[1] == "accent-color" for signal in signals), signals
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config.write_text('theme { broken')
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time.sleep(1.2)
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scheme, = call("org.freedesktop.impl.portal.Settings", "Read", GLib.Variant("(ss)", ("org.freedesktop.appearance", "color-scheme")))
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assert scheme == 1, scheme
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bus.signal_unsubscribe(subscription)
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finally:
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os.killpg(process.pid, signal.SIGTERM)
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process.wait(timeout=5)
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log.close()
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if __name__ == "__main__":
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if sys.argv[1:] == ["--private"]:
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private_bus_checks()
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else:
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unittest.main()
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