68 lines
2.6 KiB
Python
68 lines
2.6 KiB
Python
import requests
|
|
from urllib.parse import urlparse
|
|
|
|
from .urlutils import check_url
|
|
from .errors import ActivityNotFoundError
|
|
|
|
|
|
class ObjectService(object):
|
|
def __init__(self, user_agent, col, inbox, outbox, instances):
|
|
self._user_agent = user_agent
|
|
self._col = col
|
|
self._inbox = inbox
|
|
self._outbox = outbox
|
|
self._instances = instances
|
|
self._known_instances = set()
|
|
|
|
def _fetch_remote(self, object_id):
|
|
print(f'fetch remote {object_id}')
|
|
check_url(object_id)
|
|
resp = requests.get(object_id, headers={
|
|
'Accept': 'application/activity+json',
|
|
'User-Agent': self._user_agent,
|
|
})
|
|
if resp.status_code == 404:
|
|
raise ActivityNotFoundError(f'{object_id} cannot be fetched, 404 error not found')
|
|
|
|
resp.raise_for_status()
|
|
return resp.json()
|
|
|
|
def _fetch(self, object_id):
|
|
instance = urlparse(object_id)._replace(path='', query='', fragment='').geturl()
|
|
if instance not in self._known_instances:
|
|
self._known_instances.add(instance)
|
|
if not self._instances.find_one({'instance': instance}):
|
|
self._instances.insert({'instance': instance, 'first_object': object_id})
|
|
|
|
obj = self._inbox.find_one({'$or': [{'remote_id': object_id}, {'type': 'Create', 'activity.object.id': object_id}]})
|
|
if obj:
|
|
if obj['remote_id'] == object_id:
|
|
return obj['activity']
|
|
return obj['activity']['object']
|
|
|
|
obj = self._outbox.find_one({'$or': [{'remote_id': object_id}, {'type': 'Create', 'activity.object.id': object_id}]})
|
|
if obj:
|
|
if obj['remote_id'] == object_id:
|
|
return obj['activity']
|
|
return obj['activity']['object']
|
|
|
|
return self._fetch_remote(object_id)
|
|
|
|
def get(self, object_id, reload_cache=False, part_of_stream=False, announce_published=None):
|
|
if reload_cache:
|
|
obj = self._fetch(object_id)
|
|
self._col.update({'object_id': object_id}, {'$set': {'cached_object': obj, 'meta.part_of_stream': part_of_stream, 'meta.announce_published': announce_published}}, upsert=True)
|
|
return obj
|
|
|
|
cached_object = self._col.find_one({'object_id': object_id})
|
|
if cached_object:
|
|
print(f'ObjectService: {cached_object}')
|
|
return cached_object['cached_object']
|
|
|
|
obj = self._fetch(object_id)
|
|
|
|
self._col.update({'object_id': object_id}, {'$set': {'cached_object': obj, 'meta.part_of_stream': part_of_stream, 'meta.announce_published': announce_published}}, upsert=True)
|
|
# print(f'ObjectService: {obj}')
|
|
|
|
return obj
|