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add whitelist feature

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This commit is contained in:
Izalia Mae 2019-05-21 12:29:55 -04:00
parent f34b42ae78
commit 1a922ecb29
3 changed files with 20 additions and 4 deletions
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5
relay.yaml.example
View file

@ -17,4 +17,7 @@ ap:
blocked_instances:
- 'bad-instance.example.com'
- 'another-bad-instance.example.com'
whitelist_enabled: false
whitelist:
- 'good-instance.example.com'
- 'another.good-instance.example.com'

12
relay/actor.py
View file

@ -35,7 +35,7 @@ from . import app, CONFIG
from .remote_actor import fetch_actor
AP_CONFIG = CONFIG.get('ap', {'host': 'localhost','blocked_instances':[]})
AP_CONFIG = CONFIG.get('ap', {'host': 'localhost','blocked_instances':[], 'whitelist_enabled': False, 'whitelist': []})
CACHE_SIZE = CONFIG.get('cache-size', 16384)
@ -106,10 +106,15 @@ async def push_message_to_actor(actor, message, our_key_id):
async def follow_remote_actor(actor_uri):
actor = await fetch_actor(actor_uri)
if not actor:
logging.info('failed to fetch actor at: %r', actor_uri)
return
if AP_CONFIG['whitelist_enabled'] is True and urlsplit(actor_uri).hostname not in AP_CONFIG['whitelist']:
logging.info('refusing to follow non-whitelisted actor: %r', actor_uri)
return
logging.info('following: %r', actor_uri)
message = {
@ -294,7 +299,10 @@ async def inbox(request):
if 'actor' not in data or not request['validated']:
raise aiohttp.web.HTTPUnauthorized(body='access denied', content_type='text/plain')
if data['type'] != 'Follow' and 'https://{}/inbox'.format(instance) not in DATABASE['relay-list']:
elif data['type'] != 'Follow' and 'https://{}/inbox'.format(instance) not in DATABASE['relay-list']:
raise aiohttp.web.HTTPUnauthorized(body='access denied', content_type='text/plain')
elif AP_CONFIG['whitelist_enabled'] is True and instance not in AP_CONFIG['whitelist']:
raise aiohttp.web.HTTPUnauthorized(body='access denied', content_type='text/plain')
actor = await fetch_actor(data["actor"])

7
relay/database.py
View file

@ -5,6 +5,7 @@ import simplejson as json
from . import CONFIG
AP_CONFIG = CONFIG.get('ap', {'blocked_instances':[], 'whitelist_enabled': False, 'whitelist': []})
try:
@ -16,7 +17,11 @@ except:
following = DATABASE.get('relay-list', [])
for inbox in following:
if urllib.parse.urlsplit(inbox).hostname in CONFIG['ap']['blocked_instances']:
if urllib.parse.urlsplit(inbox).hostname in AP_CONFIG['blocked_instances']:
following.remove(inbox)
DATABASE['relay-list'] = following
elif AP_CONFIG['whitelist_enabled'] is True and urllib.parse.urlsplit(inbox).hostname not in AP_CONFIG['whitelist']:
following.remove(inbox)
DATABASE['relay-list'] = following