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