mirror of
https://git.sr.ht/~tsileo/microblog.pub
synced 2024-11-15 03:04:28 +00:00
123 lines
3.9 KiB
Python
123 lines
3.9 KiB
Python
import json
|
|
import logging
|
|
import os
|
|
import random
|
|
|
|
import requests
|
|
from celery import Celery
|
|
from little_boxes import activitypub as ap
|
|
from little_boxes.errors import ActivityGoneError
|
|
from little_boxes.errors import ActivityNotFoundError
|
|
from little_boxes.httpsig import HTTPSigAuth
|
|
from little_boxes.linked_data_sig import generate_signature
|
|
from requests.exceptions import HTTPError
|
|
|
|
import activitypub
|
|
from config import DB
|
|
from config import HEADERS
|
|
from config import KEY
|
|
from config import MEDIA_CACHE
|
|
from config import USER_AGENT
|
|
from utils.media import Kind
|
|
|
|
log = logging.getLogger(__name__)
|
|
app = Celery(
|
|
"tasks", broker=os.getenv("MICROBLOGPUB_AMQP_BROKER", "pyamqp://guest@localhost//")
|
|
)
|
|
SigAuth = HTTPSigAuth(KEY)
|
|
|
|
|
|
back = activitypub.MicroblogPubBackend()
|
|
ap.use_backend(back)
|
|
|
|
|
|
@app.task(bind=True, max_retries=12)
|
|
def process_new_activity(self, iri: str) -> None:
|
|
try:
|
|
activity = ap.fetch_remote_activity(iri)
|
|
log.info(f"activity={activity!r}")
|
|
|
|
# Is the activity expected?
|
|
# following = ap.get_backend().following()
|
|
|
|
tag_stream = False
|
|
if activity.has_type(ap.ActivityType.ANNOUNCE):
|
|
tag_stream = True
|
|
elif activity.has_type(ap.ActivityType.CREATE):
|
|
note = activity.get_object()
|
|
if not note.inReplyTo:
|
|
tag_stream = True
|
|
|
|
log.info(f"{iri} tag_stream={tag_stream}")
|
|
DB.activities.update_one(
|
|
{"remote_id": activity.id}, {"$set": {"meta.stream": tag_stream}}
|
|
)
|
|
|
|
log.info(f"new activity {iri} processed")
|
|
cache_attachments.delay(iri)
|
|
except (ActivityGoneError, ActivityNotFoundError):
|
|
log.exception(f"dropping activity {iri}")
|
|
except Exception as err:
|
|
log.exception(f"failed to process new activity {iri}")
|
|
self.retry(exc=err, countdown=int(random.uniform(2, 4) ** self.request.retries))
|
|
|
|
|
|
@app.task(bind=True, max_retries=12)
|
|
def cache_attachments(self, iri: str) -> None:
|
|
try:
|
|
activity = ap.fetch_remote_activity(iri)
|
|
log.info(f"activity={activity!r}")
|
|
# Generates thumbnails for the actor's icon and the attachments if any
|
|
|
|
actor = activity.get_actor()
|
|
|
|
# Update the cached actor
|
|
DB.actors.update_one(
|
|
{"remote_id": iri},
|
|
{"$set": {"remote_id": iri, "data": actor.to_dict(embed=True)}},
|
|
upsert=True,
|
|
)
|
|
|
|
if actor.icon:
|
|
MEDIA_CACHE.cache(actor.icon["url"], Kind.ACTOR_ICON)
|
|
|
|
if activity.has_type(ap.ActivityType.CREATE):
|
|
for attachment in activity.get_object()._data.get("attachment", []):
|
|
MEDIA_CACHE.cache(attachment["url"], Kind.ATTACHMENT)
|
|
|
|
log.info(f"attachments cached for {iri}")
|
|
|
|
except (ActivityGoneError, ActivityNotFoundError):
|
|
log.exception(f"dropping activity {iri}")
|
|
except Exception as err:
|
|
log.exception(f"failed to process new activity {iri}")
|
|
self.retry(exc=err, countdown=int(random.uniform(2, 4) ** self.request.retries))
|
|
|
|
|
|
@app.task(bind=True, max_retries=12)
|
|
def post_to_inbox(self, payload: str, to: str) -> None:
|
|
try:
|
|
log.info("payload=%s", payload)
|
|
log.info("generating sig")
|
|
signed_payload = json.loads(payload)
|
|
generate_signature(signed_payload, KEY)
|
|
log.info("to=%s", to)
|
|
resp = requests.post(
|
|
to,
|
|
data=json.dumps(signed_payload),
|
|
auth=SigAuth,
|
|
headers={
|
|
"Content-Type": HEADERS[1],
|
|
"Accept": HEADERS[1],
|
|
"User-Agent": USER_AGENT,
|
|
},
|
|
)
|
|
log.info("resp=%s", resp)
|
|
log.info("resp_body=%s", resp.text)
|
|
resp.raise_for_status()
|
|
except HTTPError as err:
|
|
log.exception("request failed")
|
|
if 400 >= err.response.status_code >= 499:
|
|
log.info("client error, no retry")
|
|
return
|
|
self.retry(exc=err, countdown=int(random.uniform(2, 4) ** self.request.retries))
|