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Moved backend entirely into the backend folder
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Original file line number | Diff line number | Diff line change |
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# Change PyInstaller files permissions | ||
import sys | ||
from typing import Dict | ||
from .localplatform import (chmod, chown, service_stop, service_start, | ||
ON_WINDOWS, get_log_level, get_live_reload, | ||
get_server_port, get_server_host, get_chown_plugin_path, | ||
get_privileged_path) | ||
if hasattr(sys, '_MEIPASS'): | ||
chmod(sys._MEIPASS, 755) # type: ignore | ||
# Full imports | ||
from asyncio import AbstractEventLoop, new_event_loop, set_event_loop, sleep | ||
from logging import basicConfig, getLogger | ||
from os import path | ||
from traceback import format_exc | ||
import multiprocessing | ||
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||
import aiohttp_cors # type: ignore | ||
# Partial imports | ||
from aiohttp import client_exceptions | ||
from aiohttp.web import Application, Response, Request, get, run_app, static # type: ignore | ||
from aiohttp_jinja2 import setup as jinja_setup | ||
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||
# local modules | ||
from .browser import PluginBrowser | ||
from .helpers import (REMOTE_DEBUGGER_UNIT, csrf_middleware, get_csrf_token, | ||
mkdir_as_user, get_system_pythonpaths, get_effective_user_id) | ||
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from .injector import get_gamepadui_tab, Tab, close_old_tabs | ||
from .loader import Loader | ||
from .settings import SettingsManager | ||
from .updater import Updater | ||
from .utilities import Utilities | ||
from .customtypes import UserType | ||
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basicConfig( | ||
level=get_log_level(), | ||
format="[%(module)s][%(levelname)s]: %(message)s" | ||
) | ||
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logger = getLogger("Main") | ||
plugin_path = path.join(get_privileged_path(), "plugins") | ||
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def chown_plugin_dir(): | ||
if not path.exists(plugin_path): # For safety, create the folder before attempting to do anything with it | ||
mkdir_as_user(plugin_path) | ||
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if not chown(plugin_path, UserType.HOST_USER) or not chmod(plugin_path, 555): | ||
logger.error(f"chown/chmod exited with a non-zero exit code") | ||
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if get_chown_plugin_path() == True: | ||
chown_plugin_dir() | ||
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class PluginManager: | ||
def __init__(self, loop: AbstractEventLoop) -> None: | ||
self.loop = loop | ||
self.web_app = Application() | ||
self.web_app.middlewares.append(csrf_middleware) | ||
self.cors = aiohttp_cors.setup(self.web_app, defaults={ | ||
"https://steamloopback.host": aiohttp_cors.ResourceOptions( | ||
expose_headers="*", | ||
allow_headers="*", | ||
allow_credentials=True | ||
) | ||
}) | ||
self.plugin_loader = Loader(self, plugin_path, self.loop, get_live_reload()) | ||
self.settings = SettingsManager("loader", path.join(get_privileged_path(), "settings")) | ||
self.plugin_browser = PluginBrowser(plugin_path, self.plugin_loader.plugins, self.plugin_loader, self.settings) | ||
self.utilities = Utilities(self) | ||
self.updater = Updater(self) | ||
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jinja_setup(self.web_app) | ||
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async def startup(_: Application): | ||
if self.settings.getSetting("cef_forward", False): | ||
self.loop.create_task(service_start(REMOTE_DEBUGGER_UNIT)) | ||
else: | ||
self.loop.create_task(service_stop(REMOTE_DEBUGGER_UNIT)) | ||
self.loop.create_task(self.loader_reinjector()) | ||
self.loop.create_task(self.load_plugins()) | ||
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self.web_app.on_startup.append(startup) | ||
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self.loop.set_exception_handler(self.exception_handler) | ||
self.web_app.add_routes([get("/auth/token", self.get_auth_token)]) | ||
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for route in list(self.web_app.router.routes()): | ||
self.cors.add(route) # type: ignore | ||
self.web_app.add_routes([static("/static", path.join(path.dirname(__file__), 'static'))]) | ||
self.web_app.add_routes([static("/legacy", path.join(path.dirname(__file__), 'legacy'))]) | ||
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def exception_handler(self, loop: AbstractEventLoop, context: Dict[str, str]): | ||
if context["message"] == "Unclosed connection": | ||
return | ||
loop.default_exception_handler(context) | ||
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async def get_auth_token(self, request: Request): | ||
return Response(text=get_csrf_token()) | ||
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async def load_plugins(self): | ||
# await self.wait_for_server() | ||
logger.debug("Loading plugins") | ||
self.plugin_loader.import_plugins() | ||
# await inject_to_tab("SP", "window.syncDeckyPlugins();") | ||
if self.settings.getSetting("pluginOrder", None) == None: | ||
self.settings.setSetting("pluginOrder", list(self.plugin_loader.plugins.keys())) | ||
logger.debug("Did not find pluginOrder setting, set it to default") | ||
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async def loader_reinjector(self): | ||
while True: | ||
tab = None | ||
nf = False | ||
dc = False | ||
while not tab: | ||
try: | ||
tab = await get_gamepadui_tab() | ||
except (client_exceptions.ClientConnectorError, client_exceptions.ServerDisconnectedError): | ||
if not dc: | ||
logger.debug("Couldn't connect to debugger, waiting...") | ||
dc = True | ||
pass | ||
except ValueError: | ||
if not nf: | ||
logger.debug("Couldn't find GamepadUI tab, waiting...") | ||
nf = True | ||
pass | ||
if not tab: | ||
await sleep(5) | ||
await tab.open_websocket() | ||
await tab.enable() | ||
await self.inject_javascript(tab, True) | ||
try: | ||
async for msg in tab.listen_for_message(): | ||
# this gets spammed a lot | ||
if msg.get("method", None) != "Page.navigatedWithinDocument": | ||
logger.debug("Page event: " + str(msg.get("method", None))) | ||
if msg.get("method", None) == "Page.domContentEventFired": | ||
if not await tab.has_global_var("deckyHasLoaded", False): | ||
await self.inject_javascript(tab) | ||
if msg.get("method", None) == "Inspector.detached": | ||
logger.info("CEF has requested that we detach.") | ||
await tab.close_websocket() | ||
break | ||
# If this is a forceful disconnect the loop will just stop without any failure message. In this case, injector.py will handle this for us so we don't need to close the socket. | ||
# This is because of https://github.com/aio-libs/aiohttp/blob/3ee7091b40a1bc58a8d7846e7878a77640e96996/aiohttp/client_ws.py#L321 | ||
logger.info("CEF has disconnected...") | ||
# At this point the loop starts again and we connect to the freshly started Steam client once it is ready. | ||
except Exception: | ||
logger.error("Exception while reading page events " + format_exc()) | ||
await tab.close_websocket() | ||
pass | ||
# while True: | ||
# await sleep(5) | ||
# if not await tab.has_global_var("deckyHasLoaded", False): | ||
# logger.info("Plugin loader isn't present in Steam anymore, reinjecting...") | ||
# await self.inject_javascript(tab) | ||
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async def inject_javascript(self, tab: Tab, first: bool=False, request: Request|None=None): | ||
logger.info("Loading Decky frontend!") | ||
try: | ||
if first: | ||
if await tab.has_global_var("deckyHasLoaded", False): | ||
await close_old_tabs() | ||
await tab.evaluate_js("try{if (window.deckyHasLoaded){setTimeout(() => location.reload(), 100)}else{window.deckyHasLoaded = true;(async()=>{try{while(!window.SP_REACT){await new Promise(r => setTimeout(r, 10))};await import('http://localhost:1337/frontend/index.js')}catch(e){console.error(e)};})();}}catch(e){console.error(e)}", False, False, False) | ||
except: | ||
logger.info("Failed to inject JavaScript into tab\n" + format_exc()) | ||
pass | ||
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def run(self): | ||
return run_app(self.web_app, host=get_server_host(), port=get_server_port(), loop=self.loop, access_log=None) | ||
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def main(): | ||
if ON_WINDOWS: | ||
# Fix windows/flask not recognising that .js means 'application/javascript' | ||
import mimetypes | ||
mimetypes.add_type('application/javascript', '.js') | ||
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# Required for multiprocessing support in frozen files | ||
multiprocessing.freeze_support() | ||
else: | ||
if get_effective_user_id() != 0: | ||
logger.warning(f"decky is running as an unprivileged user, this is not officially supported and may cause issues") | ||
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# Append the loader's plugin path to the recognized python paths | ||
sys.path.append(path.join(path.dirname(__file__), "plugin")) | ||
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# Append the system and user python paths | ||
sys.path.extend(get_system_pythonpaths()) | ||
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loop = new_event_loop() | ||
set_event_loop(loop) | ||
PluginManager(loop).run() | ||
# This file is needed to make the relative imports in backend/ work properly. | ||
if __name__ == "__main__": | ||
from src.main import main | ||
main() |
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