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import uuid
import os
from json.decoder import JSONDecodeError
from traceback import format_exc
from asyncio import sleep, start_server, gather, open_connection
from aiohttp import ClientSession, web
from logging import getLogger
from injector import inject_to_tab, get_gamepadui_tab
import helpers
import subprocess
class Utilities:
def __init__(self, context) -> None:
self.context = context
self.util_methods = {
"ping": self.ping,
"http_request": self.http_request,
"install_plugin": self.install_plugin,
"cancel_plugin_install": self.cancel_plugin_install,
"confirm_plugin_install": self.confirm_plugin_install,
"uninstall_plugin": self.uninstall_plugin,
"execute_in_tab": self.execute_in_tab,
"inject_css_into_tab": self.inject_css_into_tab,
"remove_css_from_tab": self.remove_css_from_tab,
"allow_remote_debugging": self.allow_remote_debugging,
"disallow_remote_debugging": self.disallow_remote_debugging,
"set_setting": self.set_setting,
"get_setting": self.get_setting,
"filepicker_ls": self.filepicker_ls,
"disable_rdt": self.disable_rdt,
"enable_rdt": self.enable_rdt
}
self.logger = getLogger("Utilities")
self.rdt_proxy_server = None
self.rdt_script_id = None
self.rdt_proxy_task = None
if context:
context.web_app.add_routes([
web.post("/methods/{method_name}", self._handle_server_method_call)
])
async def _handle_server_method_call(self, request):
method_name = request.match_info["method_name"]
try:
args = await request.json()
except JSONDecodeError:
args = {}
res = {}
try:
r = await self.util_methods[method_name](**args)
res["result"] = r
res["success"] = True
except Exception as e:
res["result"] = str(e)
res["success"] = False
return web.json_response(res)
async def install_plugin(self, artifact="", name="No name", version="dev", hash=False):
return await self.context.plugin_browser.request_plugin_install(
artifact=artifact,
name=name,
version=version,
hash=hash
)
async def confirm_plugin_install(self, request_id):
return await self.context.plugin_browser.confirm_plugin_install(request_id)
def cancel_plugin_install(self, request_id):
return self.context.plugin_browser.cancel_plugin_install(request_id)
async def uninstall_plugin(self, name):
return await self.context.plugin_browser.uninstall_plugin(name)
async def http_request(self, method="", url="", **kwargs):
async with ClientSession() as web:
async with web.request(method, url, ssl=helpers.get_ssl_context(), **kwargs) as res:
return {
"status": res.status,
"headers": dict(res.headers),
"body": await res.text()
}
async def ping(self, **kwargs):
return "pong"
async def execute_in_tab(self, tab, run_async, code):
try:
result = await inject_to_tab(tab, code, run_async)
if "exceptionDetails" in result["result"]:
return {
"success": False,
"result": result["result"]
}
return {
"success": True,
"result": result["result"]["result"].get("value")
}
except Exception as e:
return {
"success": False,
"result": e
}
async def inject_css_into_tab(self, tab, style):
try:
css_id = str(uuid.uuid4())
result = await inject_to_tab(tab,
f"""
(function() {{
const style = document.createElement('style');
style.id = "{css_id}";
document.head.append(style);
style.textContent = `{style}`;
}})()
""", False)
if "exceptionDetails" in result["result"]:
return {
"success": False,
"result": result["result"]
}
return {
"success": True,
"result": css_id
}
except Exception as e:
return {
"success": False,
"result": e
}
async def remove_css_from_tab(self, tab, css_id):
try:
result = await inject_to_tab(tab,
f"""
(function() {{
let style = document.getElementById("{css_id}");
if (style.nodeName.toLowerCase() == 'style')
style.parentNode.removeChild(style);
}})()
""", False)
if "exceptionDetails" in result["result"]:
return {
"success": False,
"result": result
}
return {
"success": True
}
except Exception as e:
return {
"success": False,
"result": e
}
async def get_setting(self, key, default):
return self.context.settings.getSetting(key, default)
async def set_setting(self, key, value):
return self.context.settings.setSetting(key, value)
async def allow_remote_debugging(self):
await helpers.start_systemd_unit(helpers.REMOTE_DEBUGGER_UNIT)
return True
async def disallow_remote_debugging(self):
await helpers.stop_systemd_unit(helpers.REMOTE_DEBUGGER_UNIT)
return True
async def filepicker_ls(self, path, include_files=True):
# def sorter(file): # Modification time
# if os.path.isdir(os.path.join(path, file)) or os.path.isfile(os.path.join(path, file)):
# return os.path.getmtime(os.path.join(path, file))
# return 0
# file_names = sorted(os.listdir(path), key=sorter, reverse=True) # TODO provide more sort options
file_names = sorted(os.listdir(path)) # Alphabetical
files = []
for file in file_names:
full_path = os.path.join(path, file)
is_dir = os.path.isdir(full_path)
if is_dir or include_files:
files.append({
"isdir": is_dir,
"name": file,
"realpath": os.path.realpath(full_path)
})
return {
"realpath": os.path.realpath(path),
"files": files
}
# Based on https://stackoverflow.com/a/46422554/13174603
def start_rdt_proxy(self, ip, port):
async def pipe(reader, writer):
try:
while not reader.at_eof():
writer.write(await reader.read(2048))
finally:
writer.close()
async def handle_client(local_reader, local_writer):
try:
remote_reader, remote_writer = await open_connection(
ip, port)
pipe1 = pipe(local_reader, remote_writer)
pipe2 = pipe(remote_reader, local_writer)
await gather(pipe1, pipe2)
finally:
local_writer.close()
self.rdt_proxy_server = start_server(handle_client, "127.0.0.1", port)
self.rdt_proxy_task = self.context.loop.create_task(self.rdt_proxy_server)
def stop_rdt_proxy(self):
if self.rdt_proxy_server:
self.rdt_proxy_server.close()
self.rdt_proxy_task.cancel()
async def enable_rdt(self):
# TODO un-hardcode port
try:
self.stop_rdt_proxy()
ip = self.context.settings.getSetting("developer.rdt.ip", None)
if ip != None:
self.logger.info("Connecting to React DevTools at " + ip)
async with ClientSession() as web:
async with web.request("GET", "http://" + ip + ":8097", ssl=helpers.get_ssl_context()) as res:
if res.status != 200:
self.logger.error("Failed to connect to React DevTools at " + ip)
return False
self.start_rdt_proxy(ip, 8097)
script = "if(!window.deckyHasConnectedRDT){window.deckyHasConnectedRDT=true;\n" + await res.text() + "\n}"
self.logger.info("Connected to React DevTools, loading script")
tab = await get_gamepadui_tab()
# RDT needs to load before React itself to work.
result = await tab.reload_and_evaluate(script)
self.logger.info(result)
except Exception:
self.logger.error("Failed to connect to React DevTools")
self.logger.error(format_exc())
async def disable_rdt(self):
self.logger.info("Disabling React DevTools")
tab = await get_gamepadui_tab()
self.rdt_script_id = None
await tab.evaluate_js("location.reload();", False, True, False)
self.logger.info("React DevTools disabled")
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