75 lines
3.2 KiB
Python
75 lines
3.2 KiB
Python
"""
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This module takes fediverse links (e.g.) and provides a preview in a reply.
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By default, this will only work with fedi.transgender.ing, but if you set `[fediverse_preview.urls]` in your config,
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you can add more. This module will use the Mastodon protocol, however it is designed to be used with misskey.
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"""
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import logging
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import niobot
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import httpx
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import typing
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import textwrap
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from urllib.parse import urlparse
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if typing.TYPE_CHECKING:
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from ..main import TortoiseIntegratedBot
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class FediversePreviewModule(niobot.Module):
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bot: "TortoiseIntegratedBot"
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log = logging.getLogger(__name__)
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@niobot.event("message")
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async def on_message(self, room: niobot.MatrixRoom, event: niobot.RoomMessage):
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config = self.bot.cfg.get("fediverse_preview")
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supported_prefixes = config.get("urls", ["https://fedi.transgender.ing"])
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ignore = config.get("ignore", [])
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if not isinstance(event, niobot.RoomMessageText):
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return
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if event.sender in ignore or room.room_id in ignore or event.sender == self.bot.user_id:
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return
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sent = []
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async with httpx.AsyncClient(
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headers={"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:129.0) Gecko/20100101 Firefox/129.0"}
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) as client:
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for item in event.body.split():
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if not item.startswith(tuple(supported_prefixes)):
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return
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parsed = urlparse(item)
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post_id = parsed.path.split("/")[-1]
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if post_id in sent:
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self.log.info("Already sent post %s", post_id)
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continue
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elif len(sent) >= 5:
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self.log.info("Already sent 5 posts, stopping")
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break
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resp = await client.get("https://%s/api/v1/statuses/%s" % (parsed.netloc, post_id))
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if resp.status_code != 200:
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self.log.error("Got HTTP %d from %s", resp.status_code, resp.url)
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continue
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data = resp.json()
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self.log.info("Got data: %r", data)
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username = data["account"]["username"]
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if not (text := data.get("content")):
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self.log.warning("No text for post %s", post_id)
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continue
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self.log.info("Detected fediverse post %s: %r", post_id, text)
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rendered = await self.bot._markdown_to_html(text)
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text_body = "<blockquote>%s</blockquote>" % rendered
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body = "<a href=\"%s\">@%s:</a><br>%s" % (
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"https://%s/@%s" % (parsed.netloc, username),
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username,
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text_body,
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)
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if data.get("media_attachments"):
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body += "<p>{:,} attachments</p>".format(len(data["media_attachments"]))
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self.log.info("Sending fediverse post %s", post_id)
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await self.bot.send_message(
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room,
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body,
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reply_to=event,
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content_type="html.raw",
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override={"body": f"@{username}: {data['content']!r}"}
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)
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sent.append(post_id)
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