nonsensebot/app/modules/misskey_preview.py

57 lines
2.1 KiB
Python

"""
This module takes misskey links (e.g.) and provides a preview in a reply.
"""
import niobot
import httpx
import typing
import textwrap
from urllib.parse import urlparse
if typing.TYPE_CHECKING:
from ..main import TortoiseIntegratedBot
class MisskeyPreviewModule(niobot.Module):
bot: "TortoiseIntegratedBot"
@niobot.event("message")
async def on_message(self, room: niobot.MatrixRoom, event: niobot.RoomMessage):
supported_prefixes = self.bot.cfg.get("misskey_preview", {})
supported_prefixes = supported_prefixes.get("urls", ["https://fedi.transgender.ing/notes"])
if not isinstance(event, niobot.RoomMessageText):
return
sent = []
async with httpx.AsyncClient() as client:
for item in event.body.split():
if not event.body.startswith(tuple(supported_prefixes)):
return
parsed = urlparse(item)
post_id = parsed.path.split("/")[-1]
if post_id in sent:
continue
elif len(sent) >= 5:
break
resp = await client.get("https://%s/api/v1/statuses/%s" % (parsed.netloc, post_id))
if resp.status_code != 200:
continue
data = resp.json()
username = data["user"]["fqn"]
if not data.get("text"):
continue
text = textwrap.shorten(data["text"], width=1000)
rendered = await self.bot._markdown_to_html(text)
text_body = "<blockquote>%s</blockquote>" % rendered
body = "<a href=\"%s\">@%s:</a><br>%s" % (
"https://%s/@%s" % (parsed.netloc, username),
username,
text_body,
)
await self.bot.send_message(
room,
body,
reply_to=event,
content_type="html.raw",
override={"body": f"@{username}: {data['text']!r}"}
)
sent.append(post_id)