continuwuity/src/admin/room/moderation.rs
June Clementine Strawberry 5efe804a20
always disable fed, evict admins, and forget the room when banning a room
Signed-off-by: June Clementine Strawberry <june@3.dog>
2025-03-08 18:29:19 -05:00

493 lines
13 KiB
Rust

use api::client::leave_room;
use clap::Subcommand;
use conduwuit::{
Result, debug,
utils::{IterStream, ReadyExt},
warn,
};
use futures::StreamExt;
use ruma::{
OwnedRoomId, RoomAliasId, RoomId, RoomOrAliasId,
events::room::message::RoomMessageEventContent,
};
use crate::{admin_command, admin_command_dispatch, get_room_info};
#[admin_command_dispatch]
#[derive(Debug, Subcommand)]
pub(crate) enum RoomModerationCommand {
/// - Bans a room from local users joining and evicts all our local users
/// (including server
/// admins)
/// from the room. Also blocks any invites (local and remote) for the
/// banned room, and disables federation entirely with it.
BanRoom {
/// The room in the format of `!roomid:example.com` or a room alias in
/// the format of `#roomalias:example.com`
room: Box<RoomOrAliasId>,
},
/// - Bans a list of rooms (room IDs and room aliases) from a newline
/// delimited codeblock similar to `user deactivate-all`. Applies the same
/// steps as ban-room
BanListOfRooms,
/// - Unbans a room to allow local users to join again
UnbanRoom {
/// The room in the format of `!roomid:example.com` or a room alias in
/// the format of `#roomalias:example.com`
room: Box<RoomOrAliasId>,
},
/// - List of all rooms we have banned
ListBannedRooms {
#[arg(long)]
/// Whether to only output room IDs without supplementary room
/// information
no_details: bool,
},
}
#[admin_command]
async fn ban_room(&self, room: Box<RoomOrAliasId>) -> Result<RoomMessageEventContent> {
debug!("Got room alias or ID: {}", room);
let admin_room_alias = &self.services.globals.admin_alias;
if let Ok(admin_room_id) = self.services.admin.get_admin_room().await {
if room.to_string().eq(&admin_room_id) || room.to_string().eq(admin_room_alias) {
return Ok(RoomMessageEventContent::text_plain("Not allowed to ban the admin room."));
}
}
let room_id = if room.is_room_id() {
let room_id = match RoomId::parse(&room) {
| Ok(room_id) => room_id,
| Err(e) => {
return Ok(RoomMessageEventContent::text_plain(format!(
"Failed to parse room ID {room}. Please note that this requires a full room \
ID (`!awIh6gGInaS5wLQJwa:example.com`) or a room alias \
(`#roomalias:example.com`): {e}"
)));
},
};
debug!("Room specified is a room ID, banning room ID");
self.services.rooms.metadata.ban_room(room_id, true);
room_id.to_owned()
} else if room.is_room_alias_id() {
let room_alias = match RoomAliasId::parse(&room) {
| Ok(room_alias) => room_alias,
| Err(e) => {
return Ok(RoomMessageEventContent::text_plain(format!(
"Failed to parse room ID {room}. Please note that this requires a full room \
ID (`!awIh6gGInaS5wLQJwa:example.com`) or a room alias \
(`#roomalias:example.com`): {e}"
)));
},
};
debug!(
"Room specified is not a room ID, attempting to resolve room alias to a room ID \
locally, if not using get_alias_helper to fetch room ID remotely"
);
let room_id = match self
.services
.rooms
.alias
.resolve_local_alias(room_alias)
.await
{
| Ok(room_id) => room_id,
| _ => {
debug!(
"We don't have this room alias to a room ID locally, attempting to fetch \
room ID over federation"
);
match self
.services
.rooms
.alias
.resolve_alias(room_alias, None)
.await
{
| Ok((room_id, servers)) => {
debug!(
?room_id,
?servers,
"Got federation response fetching room ID for {room_id}"
);
room_id
},
| Err(e) => {
return Ok(RoomMessageEventContent::notice_plain(format!(
"Failed to resolve room alias {room_alias} to a room ID: {e}"
)));
},
}
},
};
self.services.rooms.metadata.ban_room(&room_id, true);
room_id
} else {
return Ok(RoomMessageEventContent::text_plain(
"Room specified is not a room ID or room alias. Please note that this requires a \
full room ID (`!awIh6gGInaS5wLQJwa:example.com`) or a room alias \
(`#roomalias:example.com`)",
));
};
debug!("Making all users leave the room {room_id} and forgetting it");
let mut users = self
.services
.rooms
.state_cache
.room_members(&room_id)
.map(ToOwned::to_owned)
.ready_filter(|user| self.services.globals.user_is_local(user))
.boxed();
while let Some(ref user_id) = users.next().await {
debug!(
"Attempting leave for user {user_id} in room {room_id} (ignoring all errors, \
evicting admins too)",
);
if let Err(e) = leave_room(self.services, user_id, &room_id, None).await {
warn!("Failed to leave room: {e}");
}
self.services.rooms.state_cache.forget(&room_id, user_id);
}
self.services
.rooms
.alias
.local_aliases_for_room(&room_id)
.map(ToOwned::to_owned)
.for_each(|local_alias| async move {
self.services
.rooms
.alias
.remove_alias(&local_alias, &self.services.globals.server_user)
.await
.ok();
})
.await;
// unpublish from room directory
self.services.rooms.directory.set_not_public(&room_id);
self.services.rooms.metadata.disable_room(&room_id, true);
Ok(RoomMessageEventContent::text_plain(
"Room banned, removed all our local users, and disabled incoming federation with room.",
))
}
#[admin_command]
async fn ban_list_of_rooms(&self) -> Result<RoomMessageEventContent> {
if self.body.len() < 2
|| !self.body[0].trim().starts_with("```")
|| self.body.last().unwrap_or(&"").trim() != "```"
{
return Ok(RoomMessageEventContent::text_plain(
"Expected code block in command body. Add --help for details.",
));
}
let rooms_s = self
.body
.to_vec()
.drain(1..self.body.len().saturating_sub(1))
.collect::<Vec<_>>();
let admin_room_alias = &self.services.globals.admin_alias;
let mut room_ban_count: usize = 0;
let mut room_ids: Vec<OwnedRoomId> = Vec::new();
for &room in &rooms_s {
match <&RoomOrAliasId>::try_from(room) {
| Ok(room_alias_or_id) => {
if let Ok(admin_room_id) = self.services.admin.get_admin_room().await {
if room.to_owned().eq(&admin_room_id) || room.to_owned().eq(admin_room_alias)
{
warn!("User specified admin room in bulk ban list, ignoring");
continue;
}
}
if room_alias_or_id.is_room_id() {
let room_id = match RoomId::parse(room_alias_or_id) {
| Ok(room_id) => room_id,
| Err(e) => {
// ignore rooms we failed to parse
warn!(
"Error parsing room \"{room}\" during bulk room banning, \
ignoring error and logging here: {e}"
);
continue;
},
};
room_ids.push(room_id.to_owned());
}
if room_alias_or_id.is_room_alias_id() {
match RoomAliasId::parse(room_alias_or_id) {
| Ok(room_alias) => {
let room_id = match self
.services
.rooms
.alias
.resolve_local_alias(room_alias)
.await
{
| Ok(room_id) => room_id,
| _ => {
debug!(
"We don't have this room alias to a room ID locally, \
attempting to fetch room ID over federation"
);
match self
.services
.rooms
.alias
.resolve_alias(room_alias, None)
.await
{
| Ok((room_id, servers)) => {
debug!(
?room_id,
?servers,
"Got federation response fetching room ID for \
{room}",
);
room_id
},
| Err(e) => {
warn!(
"Failed to resolve room alias {room} to a room \
ID: {e}"
);
continue;
},
}
},
};
room_ids.push(room_id);
},
| Err(e) => {
warn!(
"Error parsing room \"{room}\" during bulk room banning, \
ignoring error and logging here: {e}"
);
continue;
},
}
}
},
| Err(e) => {
warn!(
"Error parsing room \"{room}\" during bulk room banning, ignoring error and \
logging here: {e}"
);
continue;
},
}
}
for room_id in room_ids {
self.services.rooms.metadata.ban_room(&room_id, true);
debug!("Banned {room_id} successfully");
room_ban_count = room_ban_count.saturating_add(1);
debug!("Making all users leave the room {room_id} and forgetting it");
let mut users = self
.services
.rooms
.state_cache
.room_members(&room_id)
.map(ToOwned::to_owned)
.ready_filter(|user| self.services.globals.user_is_local(user))
.boxed();
while let Some(ref user_id) = users.next().await {
debug!(
"Attempting leave for user {user_id} in room {room_id} (ignoring all errors, \
evicting admins too)",
);
if let Err(e) = leave_room(self.services, user_id, &room_id, None).await {
warn!("Failed to leave room: {e}");
}
self.services.rooms.state_cache.forget(&room_id, user_id);
}
// remove any local aliases, ignore errors
self.services
.rooms
.alias
.local_aliases_for_room(&room_id)
.map(ToOwned::to_owned)
.for_each(|local_alias| async move {
self.services
.rooms
.alias
.remove_alias(&local_alias, &self.services.globals.server_user)
.await
.ok();
})
.await;
// unpublish from room directory, ignore errors
self.services.rooms.directory.set_not_public(&room_id);
self.services.rooms.metadata.disable_room(&room_id, true);
}
Ok(RoomMessageEventContent::text_plain(format!(
"Finished bulk room ban, banned {room_ban_count} total rooms, evicted all users, and \
disabled incoming federation with the room."
)))
}
#[admin_command]
async fn unban_room(&self, room: Box<RoomOrAliasId>) -> Result<RoomMessageEventContent> {
let room_id = if room.is_room_id() {
let room_id = match RoomId::parse(&room) {
| Ok(room_id) => room_id,
| Err(e) => {
return Ok(RoomMessageEventContent::text_plain(format!(
"Failed to parse room ID {room}. Please note that this requires a full room \
ID (`!awIh6gGInaS5wLQJwa:example.com`) or a room alias \
(`#roomalias:example.com`): {e}"
)));
},
};
debug!("Room specified is a room ID, unbanning room ID");
self.services.rooms.metadata.ban_room(room_id, false);
room_id.to_owned()
} else if room.is_room_alias_id() {
let room_alias = match RoomAliasId::parse(&room) {
| Ok(room_alias) => room_alias,
| Err(e) => {
return Ok(RoomMessageEventContent::text_plain(format!(
"Failed to parse room ID {room}. Please note that this requires a full room \
ID (`!awIh6gGInaS5wLQJwa:example.com`) or a room alias \
(`#roomalias:example.com`): {e}"
)));
},
};
debug!(
"Room specified is not a room ID, attempting to resolve room alias to a room ID \
locally, if not using get_alias_helper to fetch room ID remotely"
);
let room_id = match self
.services
.rooms
.alias
.resolve_local_alias(room_alias)
.await
{
| Ok(room_id) => room_id,
| _ => {
debug!(
"We don't have this room alias to a room ID locally, attempting to fetch \
room ID over federation"
);
match self
.services
.rooms
.alias
.resolve_alias(room_alias, None)
.await
{
| Ok((room_id, servers)) => {
debug!(
?room_id,
?servers,
"Got federation response fetching room ID for room {room}"
);
room_id
},
| Err(e) => {
return Ok(RoomMessageEventContent::text_plain(format!(
"Failed to resolve room alias {room} to a room ID: {e}"
)));
},
}
},
};
self.services.rooms.metadata.ban_room(&room_id, false);
room_id
} else {
return Ok(RoomMessageEventContent::text_plain(
"Room specified is not a room ID or room alias. Please note that this requires a \
full room ID (`!awIh6gGInaS5wLQJwa:example.com`) or a room alias \
(`#roomalias:example.com`)",
));
};
self.services.rooms.metadata.disable_room(&room_id, false);
Ok(RoomMessageEventContent::text_plain("Room unbanned and federation re-enabled."))
}
#[admin_command]
async fn list_banned_rooms(&self, no_details: bool) -> Result<RoomMessageEventContent> {
let room_ids: Vec<OwnedRoomId> = self
.services
.rooms
.metadata
.list_banned_rooms()
.map(Into::into)
.collect()
.await;
if room_ids.is_empty() {
return Ok(RoomMessageEventContent::text_plain("No rooms are banned."));
}
let mut rooms = room_ids
.iter()
.stream()
.then(|room_id| get_room_info(self.services, room_id))
.collect::<Vec<_>>()
.await;
rooms.sort_by_key(|r| r.1);
rooms.reverse();
let output_plain = format!(
"Rooms Banned ({}):\n```\n{}\n```",
rooms.len(),
rooms
.iter()
.map(|(id, members, name)| if no_details {
format!("{id}")
} else {
format!("{id}\tMembers: {members}\tName: {name}")
})
.collect::<Vec<_>>()
.join("\n")
);
Ok(RoomMessageEventContent::notice_markdown(output_plain))
}