def task_process_new_activity() -> _Response:
"""Process an activity received in the inbox"""
task = p.parse(flask.request)
app.logger.info(f"task={task!r}")
iri = task.payload
try:
activity = ap.fetch_remote_activity(iri)
app.logger.info(f"activity={activity!r}")
flags = {}
if not activity.published:
flags[_meta(MetaKey.PUBLISHED)] = now()
else:
flags[_meta(MetaKey.PUBLISHED)] = activity.published
set_inbox_flags(activity, flags)
app.logger.info(f"a={activity}, flags={flags!r}")
if flags:
DB.activities.update_one({"remote_id": activity.id}, {"$set": flags})
app.logger.info(f"new activity {iri} processed")
if not activity.has_type(ap.ActivityType.DELETE):
Tasks.cache_actor(iri)
except (ActivityGoneError, ActivityNotFoundError):
app.logger.exception(f"dropping activity {iri}, skip processing")
return ""
except Exception as err:
app.logger.exception(f"failed to process new activity {iri}")
raise TaskError() from err
return ""
def post_to_inbox(activity: ap.BaseActivity) -> None:
# Check for Block activity
actor = activity.get_actor()
if outbox_is_blocked(actor.id):
logger.info(
f"actor {actor!r} is blocked, dropping the received activity {activity!r}"
)
return
# If the message is coming from a Pleroma relay, we process it as a possible reply for a stream activity
if (
actor.has_type(ap.ActivityType.APPLICATION)
and actor.id.endswith("/relay")
and activity.has_type(ap.ActivityType.ANNOUNCE)
and not find_one_activity(
{
**by_object_id(activity.get_object_id()),
**by_type(ap.ActivityType.CREATE),
}
)
and not DB.replies.find_one(by_remote_id(activity.get_object_id()))
):
Tasks.process_reply(activity.get_object_id())
return
# Hubzilla sends Update with the same ID as the actor, and it poisons the cache
if (
activity.has_type(ap.ActivityType.UPDATE)
and activity.id == activity.get_object_id()
):
# Start a task to update the cached actor
Tasks.cache_actor(activity.id)
return
# Honk forwards activities in a Read, process them as replies
if activity.has_type(ap.ActivityType.READ):
Tasks.process_reply(activity.get_object_id())
return
# TODO(tsileo): support ignore from Honk
# Hubzilla forwards activities in a Create, process them as possible replies
if activity.has_type(ap.ActivityType.CREATE) and server(activity.id) != server(
activity.get_object_id()
):
Tasks.process_reply(activity.get_object_id())
return
if DB.activities.find_one({"box": Box.INBOX.value, "remote_id": activity.id}):
# The activity is already in the inbox
logger.info(f"received duplicate activity {activity!r}, dropping it")
return
save(Box.INBOX, activity)
logger.info(f"spawning tasks for {activity!r}")
if not activity.has_type([ap.ActivityType.DELETE, ap.ActivityType.UPDATE]):
Tasks.cache_actor(activity.id)
Tasks.process_new_activity(activity.id)
Tasks.finish_post_to_inbox(activity.id)
def post_to_outbox(activity: ap.BaseActivity) -> str:
if activity.has_type(ap.CREATE_TYPES):
activity = activity.build_create()
# Assign create a random ID
obj_id = binascii.hexlify(os.urandom(8)).decode("utf-8")
uri = activity_url(obj_id)
activity._data["id"] = uri
if activity.has_type(ap.ActivityType.CREATE):
activity._data["object"]["id"] = urljoin(
BASE_URL, url_for("outbox_activity", item_id=obj_id))
activity._data["object"]["url"] = urljoin(
BASE_URL, url_for("note_by_id", note_id=obj_id))
activity.reset_object_cache()
save(Box.OUTBOX, activity)
Tasks.cache_actor(activity.id)
Tasks.finish_post_to_outbox(activity.id)
return activity.id
def post_to_inbox(activity: ap.BaseActivity) -> None:
# Check for Block activity
actor = activity.get_actor()
if outbox_is_blocked(actor.id):
logger.info(
f"actor {actor!r} is blocked, dropping the received activity {activity!r}"
)
return
if DB.activities.find_one({
"box": Box.INBOX.value,
"remote_id": activity.id
}):
# The activity is already in the inbox
logger.info(f"received duplicate activity {activity!r}, dropping it")
return
save(Box.INBOX, activity)
logger.info(f"spawning tasks for {activity!r}")
if not activity.has_type(ap.ActivityType.DELETE):
Tasks.cache_actor(activity.id)
Tasks.process_new_activity(activity.id)
Tasks.finish_post_to_inbox(activity.id)
