diff options
| -rw-r--r-- | bot/exts/filtering/_filters/unique/rich_embed.py | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/bot/exts/filtering/_filters/unique/rich_embed.py b/bot/exts/filtering/_filters/unique/rich_embed.py deleted file mode 100644 index cbcc90272..000000000 --- a/bot/exts/filtering/_filters/unique/rich_embed.py +++ /dev/null @@ -1,51 +0,0 @@ -import re - -from pydis_core.utils.logging import get_logger - -from bot.exts.filtering._filter_context import Event, FilterContext -from bot.exts.filtering._filters.filter import UniqueFilter -from bot.utils.helpers import remove_subdomain_from_url - -log = get_logger(__name__) - -URL_RE = re.compile(r"(https?://[^\)\s]+)", flags=re.IGNORECASE) - - -class RichEmbedFilter(UniqueFilter): - """Filter messages which contain rich embeds not auto-generated from a URL.""" - - name = "rich_embed" - events = (Event.MESSAGE, Event.MESSAGE_EDIT) - - async def triggered_on(self, ctx: FilterContext) -> bool: - """Determine if `msg` contains any rich embeds not auto-generated from a URL.""" - if ctx.embeds: - if ctx.event == Event.MESSAGE_EDIT: - if not ctx.message.edited_at: # This might happen, apparently. - return False - # If the edit delta is less than 100 microseconds, it's probably a double filter trigger. - delta = ctx.message.edited_at - (ctx.before_message.edited_at or ctx.before_message.created_at) - if delta.total_seconds() < 0.0001: - return False - - for embed in ctx.embeds: - if embed.type == "rich": - urls = URL_RE.findall(ctx.content) - final_urls = set(urls) - # This is due to the way discord renders relative urls in Embeds - # if the following url is sent: https://mobile.twitter.com/something - # Discord renders it as https://twitter.com/something - for url in urls: - final_urls.add(remove_subdomain_from_url(url)) - if not embed.url or embed.url not in final_urls: - # If `embed.url` does not exist or if `embed.url` is not part of the content - # of the message, it's unlikely to be an auto-generated embed by Discord. - ctx.alert_embeds.extend(ctx.embeds) - return True - - log.trace( - "Found a rich embed sent by a regular user account, " - "but it was likely just an automatic URL embed." - ) - - return False |