205 lines
5.8 KiB
Python
205 lines
5.8 KiB
Python
import logging
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import subprocess
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import traceback
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from pathlib import Path
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from . import __version__, misc
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from .http_debug import STATS
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from .misc import DotDict, Message, Response, WKNodeinfo
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from .processors import run_processor
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routes = []
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version = __version__
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if Path(__file__).parent.parent.joinpath('.git').exists():
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try:
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commit_label = subprocess.check_output(["git", "rev-parse", "HEAD"]).strip().decode('ascii')
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version = f'{__version__} {commit_label}'
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except:
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pass
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def register_route(method, path):
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def wrapper(func):
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routes.append([method, path, func])
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return func
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return wrapper
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@register_route('GET', '/')
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async def home(request):
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targets = '<br>'.join(request.app.database.hostnames)
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note = request.app.config.note
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count = len(request.app.database.hostnames)
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host = request.app.config.host
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text = f"""
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<html><head>
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<title>ActivityPub Relay at {host}</title>
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<style>
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p {{ color: #FFFFFF; font-family: monospace, arial; font-size: 100%; }}
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body {{ background-color: #000000; }}
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a {{ color: #26F; }}
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a:visited {{ color: #46C; }}
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a:hover {{ color: #8AF; }}
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</style>
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</head>
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<body>
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<p>This is an Activity Relay for fediverse instances.</p>
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<p>{note}</p>
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<p>You may subscribe to this relay with the address: <a href="https://{host}/actor">https://{host}/actor</a></p>
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<p>To host your own relay, you may download the code at this address: <a href="https://git.pleroma.social/pleroma/relay">https://git.pleroma.social/pleroma/relay</a></p>
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<br><p>List of {count} registered instances:<br>{targets}</p>
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</body></html>"""
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return Response.new(text, ctype='html')
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@register_route('GET', '/inbox')
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@register_route('GET', '/actor')
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async def actor(request):
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data = Message.new_actor(
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host = request.app.config.host,
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pubkey = request.app.database.pubkey
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)
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return Response.new(data, ctype='activity')
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@register_route('POST', '/inbox')
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@register_route('POST', '/actor')
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async def inbox(request):
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config = request.app.config
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database = request.app.database
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## reject if missing signature header
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try:
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signature = DotDict.new_from_signature(request.headers['signature'])
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except KeyError:
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logging.verbose('Actor missing signature header')
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raise HTTPUnauthorized(body='missing signature')
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## read message
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try:
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data = await request.json(loads=Message.new_from_json)
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## reject if there is no actor in the message
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if 'actor' not in data:
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logging.verbose('actor not in data')
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return Response.new_error(400, 'no actor in message', 'json')
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except:
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traceback.print_exc()
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logging.verbose('Failed to parse inbox message')
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return Response.new_error(400, 'failed to parse message', 'json')
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actor = await misc.request(signature.keyid)
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software = await misc.fetch_nodeinfo(actor.domain)
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## reject if actor is empty
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if not actor:
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logging.verbose(f'Failed to fetch actor: {actor.id}')
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return Response.new_error(400, 'failed to fetch actor', 'json')
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## reject if the actor isn't whitelisted while the whiltelist is enabled
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elif config.whitelist_enabled and not config.is_whitelisted(actor.domain):
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logging.verbose(f'Rejected actor for not being in the whitelist: {actor.id}')
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return Response.new_error(403, 'access denied', 'json')
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## reject if actor is banned
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if request.app['config'].is_banned(actor.domain):
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logging.verbose(f'Ignored request from banned actor: {actor.id}')
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return Response.new_error(403, 'access denied', 'json')
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## reject if software used by actor is banned
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if config.is_banned_software(software):
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logging.verbose(f'Rejected actor for using specific software: {software}')
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return Response.new_error(403, 'access denied', 'json')
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## reject if the signature is invalid
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if not (await misc.validate_signature(actor, signature, request)):
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logging.verbose(f'signature validation failed for: {actor.id}')
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return Response.new_error(401, 'signature check failed', 'json')
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## reject if activity type isn't 'Follow' and the actor isn't following
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if data['type'] != 'Follow' and not database.get_inbox(actor.domain):
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logging.verbose(f'Rejected actor for trying to post while not following: {actor.id}')
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return Response.new_error(401, 'access denied', 'json')
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logging.debug(f">> payload {data}")
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await run_processor(request, actor, data, software)
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return Response.new(status=202)
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@register_route('GET', '/.well-known/webfinger')
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async def webfinger(request):
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subject = request.query['resource']
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if subject != f'acct:relay@{request.app.config.host}':
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return Response.new_error(404, 'user not found', 'json')
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data = {
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'subject': subject,
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'aliases': [request.app.config.actor],
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'links': [
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{'href': request.app.config.actor, 'rel': 'self', 'type': 'application/activity+json'},
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{'href': request.app.config.actor, 'rel': 'self', 'type': 'application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"'}
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]
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}
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return Response.new(data, ctype='json')
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@register_route('GET', '/nodeinfo/{version:\d.\d\.json}')
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async def nodeinfo_2_0(request):
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niversion = request.match_info['version'][:3]
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data = {
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'openRegistrations': not request.app.config.whitelist_enabled,
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'protocols': ['activitypub'],
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'services': {
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'inbound': [],
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'outbound': []
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},
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'software': {
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'name': 'activityrelay',
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'version': version
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},
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'usage': {
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'localPosts': 0,
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'users': {
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'total': 1
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}
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},
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'metadata': {
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'peers': request.app.database.hostnames
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},
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'version': niversion
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}
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if version == '2.1':
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data['software']['repository'] = 'https://git.pleroma.social/pleroma/relay'
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return Response.new(data, ctype='json')
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@register_route('GET', '/.well-known/nodeinfo')
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async def nodeinfo_wellknown(request):
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data = WKNodeinfo.new(
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v20 = f'https://{request.app.config.host}/nodeinfo/2.0.json',
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v21 = f'https://{request.app.config.host}/nodeinfo/2.1.json'
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)
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return Response.new(data, ctype='json')
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@register_route('GET', '/stats')
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async def stats(request):
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return Response.new(STATS, ctype='json')
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