production init

front/irc/entry.py

@@ -0,0 +1,61 @@
+from typing import Optional, Callable
+
+import asyncio, settings
+
+from core.backend import Backend
+from util.misc import Logger
+
+from .ctrl import IRCCtrl
+
+def register(loop: asyncio.AbstractEventLoop, backend: Backend, *, devmode: bool = False) -> None:
+	from util.misc import ProtocolRunner
+	backend.add_runner(ProtocolRunner('0.0.0.0', 6667, ListenerIRC, args = ['IRC', backend, IRCCtrl], service = 'IRC'))
+	if settings.ENABLE_FRONT_IRC_SSL:
+		if devmode:
+			from brutus import Brutus
+			ssl_context = Brutus('CrossTalk').create_ssl_context()
+		else:
+			from core.tls import TLSContext
+			ssl_context = TLSContext(settings.CERT_ROOT, settings.CERT_DIR).create_ssl_context()
+		backend.add_runner(ProtocolRunner('0.0.0.0', 6697, ListenerIRC, args = ['IRC + TLS', backend, IRCCtrl], ssl_context = ssl_context, service = 'IRC/TLS'))
+
+class ListenerIRC(asyncio.Protocol):
+	logger: Logger
+	backend: Backend
+	controller: IRCCtrl
+	transport: Optional[asyncio.WriteTransport]
+	
+	def __init__(self, logger_prefix: str, backend: Backend, controller_factory: Callable[[Logger, str, Backend], IRCCtrl]) -> None:
+		super().__init__()
+		self.logger = Logger(logger_prefix, self)
+		self.backend = backend
+		self.controller = controller_factory(self.logger, 'direct', backend)
+		self.controller.close_callback = self._on_close
+		self.transport = None
+	
+	def connection_made(self, transport: asyncio.BaseTransport) -> None:
+		assert isinstance(transport, asyncio.WriteTransport)
+		self.transport = transport
+		self.logger.log_connect()
+	
+	def connection_lost(self, exc: Optional[Exception]) -> None:
+		self.controller.close()
+		self.logger.log_disconnect()
+		self.transport = None
+	
+	def data_received(self, data: bytes) -> None:
+		transport = self.transport
+		assert transport is not None
+		if self.backend.maintenance_mode:
+			transport.close()
+			return
+		self.controller.transport = None
+		if self.controller.transport is None:
+			self.controller.transport = self.transport
+		self.controller.data_received(data)
+		transport.write(self.controller.flush())
+		self.controller.transport = transport
+	
+	def _on_close(self) -> None:
+		if self.transport is None: return
+		self.transport.close()