import aputils
import asyncio
import logging
import subprocess
import traceback
from pathlib import Path
from urllib.parse import urlparse
from . import __version__, misc
from .misc import DotDict, Message, Response
from .processors import run_processor
routes = []
version = __version__
if Path(__file__).parent.parent.joinpath('.git').exists():
try:
commit_label = subprocess.check_output(["git", "rev-parse", "HEAD"]).strip().decode('ascii')
version = f'{__version__} {commit_label}'
except:
pass
def register_route(method, *paths):
def wrapper(func):
for path in paths:
routes.append([method, path, func])
return func
return wrapper
@register_route('GET', '/')
async def home(request, s):
hostnames = s.get_hostnames()
config = s.get_config_all()
targets = '
'.join(hostnames)
note = config.description
count = len(hostnames)
host = request.config.host
text = f"""
ActivityPub Relay at {host}
This is an Activity Relay for fediverse instances.
{note}
You may subscribe to this relay with the address: https://{host}/actor
To host your own relay, you may download the code at this address: https://git.pleroma.social/pleroma/relay
List of {count} registered instances:
{targets}
"""
return Response.new(text, ctype='html')
@register_route('GET', '/actor', '/inbox')
async def actor(request, s):
data = Message.new_actor(
host = request.config.host,
pubkey = request.app.signer.pubkey,
name = s.get_config('name'),
description = s.get_config('description'),
locked = s.get_config('require_approval')
)
return Response.new(data, ctype='activity')
@register_route('POST', '/actor', '/inbox')
async def inbox(request, s):
## reject if missing signature header
if not request.signature:
logging.verbose('Actor missing signature header')
raise HTTPUnauthorized(body='missing signature')
domain = urlparse(request.signature.keyid).hostname
## reject if actor is banned
if s.get_ban('domain', domain):
logging.verbose(f'Ignored request from banned actor: {domain}')
return Response.new_error(403, 'access denied', 'json')
try:
request['message'] = await request.json(loads=Message.new_from_json)
## reject if there is no message
if not request.message:
logging.verbose('empty message')
return Response.new_error(400, 'missing message', 'json')
## reject if there is no actor in the message
if 'actor' not in request.message:
logging.verbose('actor not in message')
return Response.new_error(400, 'no actor in message', 'json')
except:
## this code should hopefully never get called
traceback.print_exc()
logging.verbose('Failed to parse inbox message')
return Response.new_error(400, 'failed to parse message', 'json')
request['actor'] = await request.app.client.get(request.signature.keyid, sign_headers=True)
## reject if actor is empty
if not request.actor:
## ld signatures aren't handled atm, so just ignore it
if request['message'].type == 'Delete':
logging.verbose(f'Instance sent a delete which cannot be handled')
return Response.new(status=202)
logging.verbose(f'Failed to fetch actor: {request.signature.keyid}')
return Response.new_error(400, 'failed to fetch actor', 'json')
request['instance'] = s.get_instance(request.actor.shared_inbox)
config = s.get_config_all()
## reject if the signature is invalid
try:
await request.actor.signer.validate_aiohttp_request(request)
except aputils.SignatureValidationError as e:
logging.verbose(f'signature validation failed for: {actor.id}')
logging.debug(str(e))
return Response.new_error(401, str(e), 'json')
## reject if activity type isn't 'Follow' and the actor isn't following
if request.message.type != 'Follow' and (not request.instance or not request.instance.joined):
logging.verbose(f'Rejected actor for trying to post while not following: {request.actor.id}')
return Response.new_error(401, 'access denied', 'json')
logging.debug(f">> payload {request.message.to_json(4)}")
asyncio.ensure_future(run_processor(request))
return Response.new(status=202)
@register_route('GET', '/.well-known/webfinger')
async def webfinger(request):
try:
subject = request.query['resource']
except KeyError:
return Response.new_error(400, 'missing \'resource\' query key', 'json')
if subject != f'acct:relay@{request.config.host}':
return Response.new_error(404, 'user not found', 'json')
data = aputils.Webfinger.new(
handle = 'relay',
domain = request.config.host,
actor = request.config.actor
)
return Response.new(data, ctype='json')
@register_route('GET', '/nodeinfo/{version:\d.\d\.json}')
async def nodeinfo(request, s):
niversion = request.match_info['version'][:3]
data = dict(
name = 'activityrelay',
version = version,
protocols = ['activitypub'],
open_regs = not s.get_config('whitelist'),
users = 1,
metadata = {'peers': s.get_hostnames()}
)
if niversion == '2.1':
data['repo'] = 'https://git.pleroma.social/pleroma/relay'
return Response.new(aputils.Nodeinfo.new(**data), ctype='json')
@register_route('GET', '/.well-known/nodeinfo')
async def nodeinfo_wellknown(request):
data = aputils.WellKnownNodeinfo.new_template(request.config.host)
return Response.new(data, ctype='json')