discord-rich-presence-plex/core/discord.py

119 lines
4.3 KiB
Python

from config.constants import discordClientID, isUnix, processID
from typing import Any, Optional
from utils.logging import logger
import asyncio
import json
import models.discord
import os
import struct
import time
class DiscordIpcService:
def __init__(self, ipcPipeNumber: Optional[int]):
ipcPipeNumber = ipcPipeNumber or -1
ipcPipeNumbers = range(10) if ipcPipeNumber == -1 else [ipcPipeNumber]
ipcPipeBase = ("/run/app" if os.path.isdir("/run/app") else os.environ.get("XDG_RUNTIME_DIR", os.environ.get("TMPDIR", os.environ.get("TMP", os.environ.get("TEMP", "/tmp"))))) if isUnix else r"\\?\pipe"
self.ipcPipes: list[str] = []
for ipcPipeNumber in ipcPipeNumbers:
pipeFilename = f"discord-ipc-{ipcPipeNumber}"
self.ipcPipes.append(os.path.join(ipcPipeBase, pipeFilename))
if ipcPipeBase == os.environ.get("XDG_RUNTIME_DIR"):
self.ipcPipes.append(os.path.join(ipcPipeBase, "app", "com.discordapp.Discord", pipeFilename))
self.ipcPipes.append(os.path.join(ipcPipeBase, ".flatpak", "com.discordapp.Discord", "xdg-run", pipeFilename))
self.loop: Optional[asyncio.AbstractEventLoop] = None
self.pipeReader: Optional[asyncio.StreamReader] = None
self.pipeWriter: Optional[asyncio.StreamWriter] = None
self.connected = False
async def handshake(self) -> None:
if not self.loop:
return
for ipcPipe in self.ipcPipes:
try:
if isUnix:
self.pipeReader, self.pipeWriter = await asyncio.open_unix_connection(ipcPipe) # pyright: ignore[reportGeneralTypeIssues,reportUnknownMemberType]
else:
self.pipeReader = asyncio.StreamReader()
self.pipeWriter = (await self.loop.create_pipe_connection(lambda: asyncio.StreamReaderProtocol(self.pipeReader), ipcPipe))[0] # pyright: ignore[reportGeneralTypeIssues,reportUnknownMemberType]
self.write(0, { "v": 1, "client_id": discordClientID })
if await self.read():
self.connected = True
logger.info(f"Connected to Discord IPC pipe {ipcPipe}")
break
except FileNotFoundError:
pass
except:
logger.exception(f"An unexpected error occured while connecting to Discord IPC pipe {ipcPipe}")
if not self.connected:
logger.error(f"Discord IPC pipe not found (attempted pipes: {', '.join(self.ipcPipes)})")
async def read(self) -> Optional[Any]:
if not self.pipeReader:
return
try:
dataBytes = await self.pipeReader.read(1024)
data = json.loads(dataBytes[8:].decode("utf-8"))
logger.debug("[READ] %s", data)
return data
except:
logger.exception("An unexpected error occured during an IPC read operation")
self.connected = False
def write(self, op: int, payload: Any) -> None:
if not self.pipeWriter:
return
try:
logger.debug("[WRITE] %s", payload)
payload = json.dumps(payload)
self.pipeWriter.write(struct.pack("<ii", op, len(payload)) + payload.encode("utf-8"))
except:
logger.exception("An unexpected error occured during an IPC write operation")
self.connected = False
def connect(self) -> None:
if self.connected:
logger.warning("Attempt to connect to Discord IPC pipe while already connected")
return
logger.info("Connecting to Discord IPC pipe")
self.loop = asyncio.new_event_loop()
self.loop.run_until_complete(self.handshake())
def disconnect(self) -> None:
if not self.connected:
logger.warning("Attempt to disconnect from Discord IPC pipe while not connected")
return
if not self.loop or not self.pipeWriter or not self.pipeReader:
return
logger.info("Disconnecting from Discord IPC pipe")
try:
self.pipeWriter.close()
except:
logger.exception("An unexpected error occured while closing the IPC pipe writer")
try:
self.loop.run_until_complete(self.pipeReader.read())
except:
logger.exception("An unexpected error occured while closing the IPC pipe reader")
try:
self.loop.close()
except:
logger.exception("An unexpected error occured while closing the asyncio event loop")
self.connected = False
def setActivity(self, activity: models.discord.Activity) -> None:
if not self.connected:
logger.warning("Attempt to set activity while not connected to Discord IPC pipe")
return
if not self.loop:
return
logger.info("Activity update: %s", activity)
payload = {
"cmd": "SET_ACTIVITY",
"args": {
"pid": processID,
"activity": activity,
},
"nonce": "{0:.2f}".format(time.time()),
}
self.write(1, payload)
self.loop.run_until_complete(self.read())