227 lines
6.5 KiB
Python
227 lines
6.5 KiB
Python
import logging
|
|
import traceback
|
|
|
|
from aiohttp import ClientSession, ClientTimeout, TCPConnector
|
|
from aiohttp.client_exceptions import ClientConnectorError, ServerTimeoutError
|
|
from aputils import Nodeinfo, WellKnownNodeinfo
|
|
from datetime import datetime
|
|
from cachetools import LRUCache
|
|
from json.decoder import JSONDecodeError
|
|
from urllib.parse import urlparse
|
|
|
|
from . import __version__
|
|
from .misc import (
|
|
MIMETYPES,
|
|
DotDict,
|
|
Message
|
|
)
|
|
|
|
|
|
HEADERS = {
|
|
'Accept': f'{MIMETYPES["activity"]}, {MIMETYPES["json"]};q=0.9',
|
|
'User-Agent': f'ActivityRelay/{__version__}'
|
|
}
|
|
|
|
|
|
class Cache(LRUCache):
|
|
def set_maxsize(self, value):
|
|
self.__maxsize = int(value)
|
|
|
|
|
|
class HttpClient:
|
|
def __init__(self, database, limit=100, timeout=10, cache_size=1024):
|
|
self.database = database
|
|
self.cache = Cache(cache_size)
|
|
self.cfg = {'limit': limit, 'timeout': timeout}
|
|
self._conn = None
|
|
self._session = None
|
|
|
|
@property
|
|
def limit(self):
|
|
return self.cfg['limit']
|
|
|
|
@property
|
|
def timeout(self):
|
|
return self.cfg['timeout']
|
|
|
|
async def open(self):
|
|
if self._session:
|
|
return
|
|
|
|
self._conn = TCPConnector(
|
|
limit=self.limit,
|
|
ttl_dns_cache=300,
|
|
)
|
|
|
|
self._session = ClientSession(
|
|
connector=self._conn,
|
|
headers=HEADERS,
|
|
connector_owner=True,
|
|
timeout=ClientTimeout(total=self.timeout)
|
|
)
|
|
|
|
async def close(self):
|
|
if not self._session:
|
|
return
|
|
|
|
await self._session.close()
|
|
await self._conn.close()
|
|
|
|
self._conn = None
|
|
self._session = None
|
|
|
|
async def get(self, url, sign_headers=False, loads=None, force=False):
|
|
await self.open()
|
|
|
|
try:
|
|
url, _ = url.split('#', 1)
|
|
except:
|
|
pass
|
|
|
|
if not force and url in self.cache:
|
|
return self.cache[url]
|
|
|
|
headers = {}
|
|
|
|
if sign_headers:
|
|
headers.update(self.database.signer.sign_headers(
|
|
'GET', url, algorithm='original'))
|
|
|
|
try:
|
|
logging.verbose(f'Fetching resource: {url}')
|
|
|
|
async with self._session.get(url, headers=headers) as resp:
|
|
# Not expecting a response with 202s, so just return
|
|
if resp.status == 202:
|
|
return
|
|
|
|
elif resp.status != 200:
|
|
logging.verbose(
|
|
f'Received error when requesting {url}: {resp.status}')
|
|
logging.verbose(await resp.read()) # change this to debug
|
|
return
|
|
|
|
if loads:
|
|
message = await resp.json(loads=loads)
|
|
|
|
elif resp.content_type == MIMETYPES['activity']:
|
|
message = await resp.json(loads=Message.new_from_json)
|
|
|
|
elif resp.content_type == MIMETYPES['json']:
|
|
message = await resp.json(loads=DotDict.new_from_json)
|
|
|
|
else:
|
|
# todo: raise TypeError or something
|
|
logging.verbose(
|
|
f'Invalid Content-Type for "{url}": {resp.content_type}')
|
|
return logging.debug(f'Response: {resp.read()}')
|
|
|
|
logging.debug(f'{url} >> resp {message.to_json(4)}')
|
|
|
|
self.cache[url] = message
|
|
return message
|
|
|
|
except JSONDecodeError:
|
|
logging.verbose(f'Failed to parse JSON')
|
|
|
|
except (ClientConnectorError, ServerTimeoutError):
|
|
logging.verbose(f'Failed to connect to {urlparse(url).netloc}')
|
|
|
|
except Exception as e:
|
|
traceback.print_exc()
|
|
raise e
|
|
|
|
async def post(self, url, message):
|
|
instance = self.database.get_inbox(url)
|
|
|
|
# Using the old algo by default is probably a better idea right now
|
|
if instance and instance.get('software') in {'mastodon'}:
|
|
algorithm = 'hs2019'
|
|
|
|
else:
|
|
algorithm = 'original'
|
|
|
|
headers = {'Content-Type': 'application/activity+json'}
|
|
headers.update(self.database.signer.sign_headers(
|
|
'POST', url, message, algorithm=algorithm))
|
|
|
|
try:
|
|
logging.verbose(f'Sending "{message.type}" to {url}')
|
|
logging.verbose(
|
|
f'url: {url}\nheaders: {headers}\ndata: {message.to_json()}')
|
|
|
|
# The following does not work and throws exception on 'relay inbox follow':
|
|
# Traceback (most recent call last):
|
|
# File "/home/vriess/Dokumente/Repos/relay-1/relay/http_client.py", line 153, in post
|
|
# async with self._session.post(url, headers=headers, data=message.to_json()) as resp:
|
|
# File "/home/vriess/Dokumente/Repos/relay-1/.venv/lib/python3.10/site-packages/aiohttp/client.py", line 1141, in __aenter__
|
|
# self._resp = await self._coro
|
|
# File "/home/vriess/Dokumente/Repos/relay-1/.venv/lib/python3.10/site-packages/aiohttp/client.py", line 448, in _request
|
|
# handle = tm.start()
|
|
# File "/home/vriess/Dokumente/Repos/relay-1/.venv/lib/python3.10/site-packages/aiohttp/helpers.py", line 651, in start
|
|
# return self._loop.call_at(when, self.__call__)
|
|
# File "/usr/lib/python3.10/asyncio/base_events.py", line 732, in call_at
|
|
# self._check_closed()
|
|
# File "/usr/lib/python3.10/asyncio/base_events.py", line 515, in _check_closed
|
|
# raise RuntimeError('Event loop is closed')
|
|
# RuntimeError: Event loop is closed
|
|
# ↓↓↓↓
|
|
# async with self._session.post(url, headers=headers, data=message.to_json()) as resp:
|
|
# ## Not expecting a response, so just return
|
|
# if resp.status in {200, 202}:
|
|
# return logging.info(f'Successfully sent "{message.type}" to {url}')
|
|
|
|
# logging.info(f'Received error when pushing to {url}: {resp.status}')
|
|
# return logging.info(await resp.read()) # change this to debug
|
|
|
|
# Creating a session here works for some reason and does not throw an error
|
|
async with ClientSession(
|
|
connector=TCPConnector(
|
|
limit=self.limit, ttl_dns_cache=300),
|
|
headers=HEADERS,
|
|
connector_owner=True,
|
|
timeout=ClientTimeout(total=self.timeout)) as session:
|
|
async with session.post(url, headers=headers, data=message.to_json()) as resp:
|
|
# Not expecting a response, so just return
|
|
if resp.status in {200, 202}:
|
|
return logging.info(f'Successfully sent "{message.type}" to {url}')
|
|
|
|
logging.info(
|
|
f'Received error when pushing to {url}: {resp.status}')
|
|
# change this to debug
|
|
return logging.info(await resp.read())
|
|
|
|
except (ClientConnectorError, ServerTimeoutError):
|
|
logging.verbose(f'Failed to connect to {url}')
|
|
|
|
# prevent workers from being brought down
|
|
except Exception as e:
|
|
traceback.print_exc()
|
|
|
|
## Additional methods ##
|
|
|
|
async def fetch_nodeinfo(self, domain):
|
|
nodeinfo_url = None
|
|
wk_nodeinfo = await self.get(
|
|
f'https://{domain}/.well-known/nodeinfo',
|
|
loads=WellKnownNodeinfo.new_from_json
|
|
)
|
|
|
|
if not wk_nodeinfo:
|
|
logging.verbose(
|
|
f'Failed to fetch well-known nodeinfo url for domain: {domain}')
|
|
return False
|
|
|
|
for version in ['20', '21']:
|
|
try:
|
|
nodeinfo_url = wk_nodeinfo.get_url(version)
|
|
|
|
except KeyError:
|
|
pass
|
|
|
|
if not nodeinfo_url:
|
|
logging.verbose(
|
|
f'Failed to fetch nodeinfo url for domain: {domain}')
|
|
return False
|
|
|
|
return await self.get(nodeinfo_url, loads=Nodeinfo.new_from_json) or False
|