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from logging import getLogger, basicConfig, INFO, DEBUG, Filter, root
from os import getenv
CONFIG = {
"plugin_path": getenv("PLUGIN_PATH", "/home/deck/homebrew/plugins"),
"server_host": getenv("SERVER_HOST", "127.0.0.1"),
"server_port": int(getenv("SERVER_PORT", "1337")),
"live_reload": getenv("LIVE_RELOAD", "1") == "1",
"log_level": {"CRITICAL": 50, "ERROR": 40, "WARNING":30, "INFO": 20, "DEBUG": 10}[getenv("LOG_LEVEL", "INFO")],
"store_url": getenv("STORE_URL", "https://plugins.deckbrew.xyz"),
"log_base_events": getenv("LOG_BASE_EVENTS", "0")=="1"
}
class NoBaseEvents(Filter):
def filter(self, record):
return not "asyncio" in record.name
basicConfig(level=CONFIG["log_level"], format="[%(module)s][%(levelname)s]: %(message)s")
for handler in root.handlers:
if not CONFIG["log_base_events"]:
handler.addFilter(NoBaseEvents())
from aiohttp.web import Application, run_app, static
from aiohttp_jinja2 import setup as jinja_setup
from jinja2 import FileSystemLoader
from os import path
from asyncio import get_event_loop, sleep
from json import loads, dumps
from subprocess import Popen
from loader import Loader
from injector import inject_to_tab, get_tab, tab_has_element
from utilities import Utilities
from browser import PluginBrowser
logger = getLogger("Main")
from traceback import print_exc
async def chown_plugin_dir(_):
Popen(["chown", "-R", "deck:deck", CONFIG["plugin_path"]])
Popen(["chmod", "-R", "555", CONFIG["plugin_path"]])
class PluginManager:
def __init__(self) -> None:
self.loop = get_event_loop()
self.web_app = Application()
self.plugin_loader = Loader(self.web_app, CONFIG["plugin_path"], self.loop, CONFIG["live_reload"])
self.plugin_browser = PluginBrowser(CONFIG["plugin_path"], self.web_app, CONFIG["store_url"])
self.utilities = Utilities(self)
jinja_setup(self.web_app, loader=FileSystemLoader(path.join(path.dirname(__file__), 'templates')))
self.web_app.on_startup.append(self.inject_javascript)
self.web_app.on_startup.append(chown_plugin_dir)
self.web_app.add_routes([static("/static", path.join(path.dirname(__file__), 'static'))])
self.loop.create_task(self.method_call_listener())
self.loop.create_task(self.loader_reinjector())
self.loop.set_exception_handler(self.exception_handler)
def exception_handler(self, loop, context):
if context["message"] == "Unclosed connection":
return
loop.default_exception_handler(context)
async def loader_reinjector(self):
finished_reinjection = False
logger.info("Plugin loader isn't present in Steam anymore, reinjecting...")
while True:
await sleep(1)
if not await tab_has_element("QuickAccess", "plugin_iframe"):
logger.debug("Plugin loader isn't present in Steam anymore, reinjecting...")
await self.inject_javascript()
finished_reinjection = True
elif finished_reinjection:
finished_reinjection = False
logger.info("Reinjecting successful!")
self.loop.create_task(self.method_call_listener())
async def inject_javascript(self, request=None):
try:
await inject_to_tab("QuickAccess", open(path.join(path.dirname(__file__), "static/library.js"), "r").read())
await inject_to_tab("QuickAccess", open(path.join(path.dirname(__file__), "static/plugin_page.js"), "r").read())
except:
logger.info("Failed to inject JavaScript into tab")
pass
async def resolve_method_call(self, tab, call_id, response):
try:
r = dumps(response)
except Exception as e:
logger.error(response["result"])
response["result"] = str(response["result"])
r = response
await tab._send_devtools_cmd({
"id": 1,
"method": "Runtime.evaluate",
"params": {
"expression": f"resolveMethodCall('{call_id}', {r})",
"userGesture": True
}
}, receive=False)
async def handle_method_call(self, method, tab):
res = {}
try:
if method["method"] == "plugin_method":
res["result"] = await self.plugin_loader.handle_plugin_method_call(
method["args"]["plugin_name"],
method["args"]["method_name"],
**method["args"]["args"]
)
res["success"] = True
else:
r = await self.utilities.util_methods[method["method"]](**method["args"])
res["result"] = r
res["success"] = True
except Exception as e:
res["result"] = str(e)
res["success"] = False
finally:
await self.resolve_method_call(tab, method["id"], res)
async def method_call_listener(self):
while True:
try:
tab = await get_tab("QuickAccess")
break
except:
await sleep(1)
await tab.open_websocket()
await tab._send_devtools_cmd({"id": 1, "method": "Runtime.discardConsoleEntries"})
await tab._send_devtools_cmd({"id": 1, "method": "Runtime.enable"})
async for message in tab.listen_for_message():
data = message.json()
if not "id" in data and data["method"] == "Runtime.consoleAPICalled" and data["params"]["type"] == "debug":
method = loads(data["params"]["args"][0]["value"])
self.loop.create_task(self.handle_method_call(method, tab))
def run(self):
return run_app(self.web_app, host=CONFIG["server_host"], port=CONFIG["server_port"], loop=self.loop, access_log=None)
if __name__ == "__main__":
PluginManager().run()
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