mirror of https://github.com/jesopo/ircrobots
50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
from ssl import SSLContext
|
|
from typing import Optional, Tuple
|
|
from asyncio import StreamReader, StreamWriter
|
|
from async_stagger import open_connection
|
|
|
|
from .interface import ITCPTransport, ITCPReader, ITCPWriter
|
|
from .security import tls_context
|
|
|
|
class TCPReader(ITCPReader):
|
|
def __init__(self, reader: StreamReader):
|
|
self._reader = reader
|
|
|
|
async def read(self, byte_count: int) -> bytes:
|
|
return await self._reader.read(byte_count)
|
|
class TCPWriter(ITCPWriter):
|
|
def __init__(self, writer: StreamWriter):
|
|
self._writer = writer
|
|
|
|
def write(self, data: bytes):
|
|
self._writer.write(data)
|
|
|
|
async def drain(self):
|
|
await self._writer.drain()
|
|
|
|
class TCPTransport(ITCPTransport):
|
|
async def connect(self,
|
|
hostname: str,
|
|
port: int,
|
|
tls: bool,
|
|
tls_verify: bool=True,
|
|
bindhost: Optional[str]=None
|
|
) -> Tuple[ITCPReader, ITCPWriter]:
|
|
|
|
cur_ssl: Optional[SSLContext] = None
|
|
if tls:
|
|
cur_ssl = tls_context(tls_verify)
|
|
|
|
local_addr: Optional[Tuple[str, int]] = None
|
|
if not bindhost is None:
|
|
local_addr = (bindhost, 53567)
|
|
|
|
reader, writer = await open_connection(
|
|
hostname,
|
|
port,
|
|
server_hostname=hostname,
|
|
ssl =cur_ssl,
|
|
local_addr =local_addr)
|
|
return (TCPReader(reader), TCPWriter(writer))
|
|
|