commit 681b44533fb46b822e3a72b52a725480d25fb632 · edavis.dev/bsky-tools

+45 -3

bsky-activity.py

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       #!/usr/bin/env python3

     

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       import asyncio

     

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       from datetime import datetime, timezone

     

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       from io import BytesIO

     

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       import os

     

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       import redis

     

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       import sqlite3

     

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       import sys

     

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       from datetime import datetime, timezone

     

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       from firehose_utils import bsky_activity

     

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       from atproto import CAR

     

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       import redis

     

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       import dag_cbor

     

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       import websockets

     

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       app_bsky_allowlist = set([

     

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           'app.bsky.actor.profile',

     
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           'app.bsky.graph.listitem',

     

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           'app.bsky.labeler.service',

     

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       ])

     

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       async def bsky_activity():

     

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           redis_cnx = redis.Redis()

     

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           relay_url = 'wss://bsky.network/xrpc/com.atproto.sync.subscribeRepos'

     

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           firehose_seq = redis_cnx.get('dev.edavis.muninsky.seq')

     

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           if firehose_seq:

     

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               relay_url += f'?cursor={firehose_seq.decode()}'

     

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           sys.stdout.write(f'opening websocket connection to {relay_url}\n')

     

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           sys.stdout.flush()

     

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           async with websockets.connect(relay_url, ping_timeout=None) as firehose:

     

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               while True:

     

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                   frame = BytesIO(await firehose.recv())

     

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                   header = dag_cbor.decode(frame, allow_concat=True)

     

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                   if header['op'] != 1 or header['t'] != '#commit':

     

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                       continue

     

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                   payload = dag_cbor.decode(frame)

     

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                   if payload['tooBig']:

     

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                       # TODO(ejd): figure out how to get blocks out-of-band

     

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                       continue

     

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                   # TODO(ejd): figure out how to validate blocks

     

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                   blocks = payload.pop('blocks')

     

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                   car_parsed = CAR.from_bytes(blocks)

     

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                   message = payload.copy()

     

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                   del message['ops']

     

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                   message['commit'] = message['commit'].encode('base32')

     

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                   for commit_op in payload['ops']:

     

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                       op = commit_op.copy()

     

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                       if op['cid'] is not None:

     

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                           op['cid'] = op['cid'].encode('base32')

     

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                           op['record'] = car_parsed.blocks.get(op['cid'])

     

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                       yield message, op

     

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       async def main():

     

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           redis_cnx = redis.Redis()

-45

firehose_utils.py

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       import apsw

     

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       import dag_cbor

     

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       import redis

     

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       import sys

     

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       import websockets

     

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       from atproto import CAR

     

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       from io import BytesIO

     

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       async def bsky_activity():

     

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           redis_cnx = redis.Redis()

     

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           relay_url = 'wss://bsky.network/xrpc/com.atproto.sync.subscribeRepos'

     

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           firehose_seq = redis_cnx.get('dev.edavis.muninsky.seq')

     

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           if firehose_seq:

     

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               relay_url += f'?cursor={firehose_seq.decode()}'

     

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           sys.stdout.write(f'opening websocket connection to {relay_url}\n')

     

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           sys.stdout.flush()

     

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           async with websockets.connect(relay_url, ping_timeout=None) as firehose:

     

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               while True:

     

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                   frame = BytesIO(await firehose.recv())

     

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                   header = dag_cbor.decode(frame, allow_concat=True)

     

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                   if header['op'] != 1 or header['t'] != '#commit':

     

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                       continue

     

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                   payload = dag_cbor.decode(frame)

     

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                   if payload['tooBig']:

     

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                       # TODO(ejd): figure out how to get blocks out-of-band

     

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                       continue

     

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                   # TODO(ejd): figure out how to validate blocks

     

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                   blocks = payload.pop('blocks')

     

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                   car_parsed = CAR.from_bytes(blocks)

     

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                   message = payload.copy()

     

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                   del message['ops']

     

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                   message['commit'] = message['commit'].encode('base32')

     

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                   for commit_op in payload['ops']:

     

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                       op = commit_op.copy()

     

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                       if op['cid'] is not None:

     

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                           op['cid'] = op['cid'].encode('base32')

     

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                           op['record'] = car_parsed.blocks.get(op['cid'])

     

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                       yield message, op