continuwuity/src/admin/room/room_moderation_commands.rs
Jason Volk 48d9677959 rustfmt nightly/stable compats
Signed-off-by: Jason Volk <jason@zemos.net>
2024-06-16 03:07:59 +00:00

521 lines
16 KiB
Rust

use std::fmt::Write;
use api::client::{get_alias_helper, leave_room};
use ruma::{
events::room::message::RoomMessageEventContent, OwnedRoomId, OwnedUserId, RoomAliasId, RoomId, RoomOrAliasId,
};
use tracing::{debug, error, info, warn};
use super::{super::Service, RoomModerationCommand};
use crate::{escape_html, get_room_info, services, user_is_local, Result};
pub(crate) async fn process(command: RoomModerationCommand, body: Vec<&str>) -> Result<RoomMessageEventContent> {
match command {
RoomModerationCommand::BanRoom {
force,
room,
disable_federation,
} => ban_room(body, force, room, disable_federation).await,
RoomModerationCommand::BanListOfRooms {
force,
disable_federation,
} => ban_list_of_rooms(body, force, disable_federation).await,
RoomModerationCommand::UnbanRoom {
room,
enable_federation,
} => unban_room(body, room, enable_federation).await,
RoomModerationCommand::ListBannedRooms => list_banned_rooms(body).await,
}
}
async fn ban_room(
_body: Vec<&str>, force: bool, room: Box<RoomOrAliasId>, disable_federation: bool,
) -> Result<RoomMessageEventContent> {
debug!("Got room alias or ID: {}", room);
let admin_room_alias = &services().globals.admin_alias;
if let Some(admin_room_id) = Service::get_admin_room()? {
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");
services().rooms.metadata.ban_room(&room_id, true)?;
room_id
} 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 = if let Some(room_id) = services().rooms.alias.resolve_local_alias(&room_alias)? {
room_id
} else {
debug!("We don't have this room alias to a room ID locally, attempting to fetch room ID over federation");
match get_alias_helper(room_alias, None).await {
Ok(response) => {
debug!("Got federation response fetching room ID for room {room}: {:?}", response);
response.room_id
},
Err(e) => {
return Ok(RoomMessageEventContent::text_plain(format!(
"Failed to resolve room alias {room} to a room ID: {e}"
)));
},
}
};
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);
if force {
for local_user in services()
.rooms
.state_cache
.room_members(&room_id)
.filter_map(|user| {
user.ok().filter(|local_user| {
user_is_local(local_user)
// additional wrapped check here is to avoid adding remote users
// who are in the admin room to the list of local users (would
// fail auth check)
&& (user_is_local(local_user)
// since this is a force operation, assume user is an admin
// if somehow this fails
&& services()
.users
.is_admin(local_user)
.unwrap_or(true))
})
})
.collect::<Vec<OwnedUserId>>()
{
debug!(
"Attempting leave for user {} in room {} (forced, ignoring all errors, evicting admins too)",
&local_user, &room_id
);
if let Err(e) = leave_room(&local_user, &room_id, None).await {
warn!(%e, "Failed to leave room");
}
}
} else {
for local_user in services()
.rooms
.state_cache
.room_members(&room_id)
.filter_map(|user| {
user.ok().filter(|local_user| {
local_user.server_name() == services().globals.server_name()
// additional wrapped check here is to avoid adding remote users
// who are in the admin room to the list of local users (would fail auth check)
&& (local_user.server_name()
== services().globals.server_name()
&& !services()
.users
.is_admin(local_user)
.unwrap_or(false))
})
})
.collect::<Vec<OwnedUserId>>()
{
debug!("Attempting leave for user {} in room {}", &local_user, &room_id);
if let Err(e) = leave_room(&local_user, &room_id, None).await {
error!(
"Error attempting to make local user {} leave room {} during room banning: {}",
&local_user, &room_id, e
);
return Ok(RoomMessageEventContent::text_plain(format!(
"Error attempting to make local user {} leave room {} during room banning (room is still banned \
but not removing any more users): {}\nIf you would like to ignore errors, use --force",
&local_user, &room_id, e
)));
}
}
}
if disable_federation {
services().rooms.metadata.disable_room(&room_id, true)?;
return Ok(RoomMessageEventContent::text_plain(
"Room banned, removed all our local users, and disabled incoming federation with room.",
));
}
Ok(RoomMessageEventContent::text_plain(
"Room banned and removed all our local users, use `!admin federation disable-room` to stop receiving new \
inbound federation events as well if needed.",
))
}
async fn ban_list_of_rooms(body: Vec<&str>, force: bool, disable_federation: bool) -> Result<RoomMessageEventContent> {
if body.len() < 2 || !body[0].trim().starts_with("```") || body.last().unwrap_or(&"").trim() != "```" {
return Ok(RoomMessageEventContent::text_plain(
"Expected code block in command body. Add --help for details.",
));
}
let rooms_s = body.clone().drain(1..body.len() - 1).collect::<Vec<_>>();
let admin_room_alias = &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 Some(admin_room_id) = Service::get_admin_room()? {
if room.to_owned().eq(&admin_room_id) || room.to_owned().eq(admin_room_alias) {
info!("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) => {
if force {
// ignore rooms we failed to parse if we're force banning
warn!(
"Error parsing room \"{room}\" during bulk room banning, ignoring error and \
logging here: {e}"
);
continue;
}
return Ok(RoomMessageEventContent::text_plain(format!(
"{room} is not a valid room ID or room alias, please fix the list and try again: {e}"
)));
},
};
room_ids.push(room_id);
}
if room_alias_or_id.is_room_alias_id() {
match RoomAliasId::parse(room_alias_or_id) {
Ok(room_alias) => {
let room_id =
if let Some(room_id) = services().rooms.alias.resolve_local_alias(&room_alias)? {
room_id
} else {
debug!(
"We don't have this room alias to a room ID locally, attempting to fetch room \
ID over federation"
);
match get_alias_helper(room_alias, None).await {
Ok(response) => {
debug!(
"Got federation response fetching room ID for room {room}: {:?}",
response
);
response.room_id
},
Err(e) => {
// don't fail if force blocking
if force {
warn!("Failed to resolve room alias {room} to a room ID: {e}");
continue;
}
return Ok(RoomMessageEventContent::text_plain(format!(
"Failed to resolve room alias {room} to a room ID: {e}"
)));
},
}
};
room_ids.push(room_id);
},
Err(e) => {
if force {
// ignore rooms we failed to parse if we're force deleting
error!(
"Error parsing room \"{room}\" during bulk room banning, ignoring error and \
logging here: {e}"
);
continue;
}
return Ok(RoomMessageEventContent::text_plain(format!(
"{room} is not a valid room ID or room alias, please fix the list and try again: {e}"
)));
},
}
}
},
Err(e) => {
if force {
// ignore rooms we failed to parse if we're force deleting
error!(
"Error parsing room \"{room}\" during bulk room banning, ignoring error and logging here: {e}"
);
continue;
}
return Ok(RoomMessageEventContent::text_plain(format!(
"{room} is not a valid room ID or room alias, please fix the list and try again: {e}"
)));
},
}
}
for room_id in room_ids {
if services().rooms.metadata.ban_room(&room_id, true).is_ok() {
debug!("Banned {room_id} successfully");
room_ban_count = room_ban_count.saturating_add(1);
}
debug!("Making all users leave the room {}", &room_id);
if force {
for local_user in services()
.rooms
.state_cache
.room_members(&room_id)
.filter_map(|user| {
user.ok().filter(|local_user| {
local_user.server_name() == services().globals.server_name()
// additional wrapped check here is to avoid adding remote
// users who are in the admin room to the list of local
// users (would fail auth check)
&& (local_user.server_name()
== services().globals.server_name()
// since this is a force operation, assume user is an
// admin if somehow this fails
&& services()
.users
.is_admin(local_user)
.unwrap_or(true))
})
})
.collect::<Vec<OwnedUserId>>()
{
debug!(
"Attempting leave for user {} in room {} (forced, ignoring all errors, evicting admins too)",
&local_user, room_id
);
if let Err(e) = leave_room(&local_user, &room_id, None).await {
warn!(%e, "Failed to leave room");
}
}
} else {
for local_user in services()
.rooms
.state_cache
.room_members(&room_id)
.filter_map(|user| {
user.ok().filter(|local_user| {
local_user.server_name() == services().globals.server_name()
// additional wrapped check here is to avoid adding remote
// users who are in the admin room to the list of local
// users (would fail auth check)
&& (local_user.server_name()
== services().globals.server_name()
&& !services()
.users
.is_admin(local_user)
.unwrap_or(false))
})
})
.collect::<Vec<OwnedUserId>>()
{
debug!("Attempting leave for user {} in room {}", &local_user, &room_id);
if let Err(e) = leave_room(&local_user, &room_id, None).await {
error!(
"Error attempting to make local user {} leave room {} during bulk room banning: {}",
&local_user, &room_id, e
);
return Ok(RoomMessageEventContent::text_plain(format!(
"Error attempting to make local user {} leave room {} during room banning (room is still \
banned but not removing any more users and not banning any more rooms): {}\nIf you would \
like to ignore errors, use --force",
&local_user, &room_id, e
)));
}
}
}
if disable_federation {
services().rooms.metadata.disable_room(&room_id, true)?;
}
}
if disable_federation {
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."
)))
} else {
Ok(RoomMessageEventContent::text_plain(format!(
"Finished bulk room ban, banned {room_ban_count} total rooms and evicted all users."
)))
}
}
async fn unban_room(
_body: Vec<&str>, room: Box<RoomOrAliasId>, enable_federation: bool,
) -> 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");
services().rooms.metadata.ban_room(&room_id, false)?;
room_id
} 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 = if let Some(room_id) = services().rooms.alias.resolve_local_alias(&room_alias)? {
room_id
} else {
debug!("We don't have this room alias to a room ID locally, attempting to fetch room ID over federation");
match get_alias_helper(room_alias, None).await {
Ok(response) => {
debug!("Got federation response fetching room ID for room {room}: {:?}", response);
response.room_id
},
Err(e) => {
return Ok(RoomMessageEventContent::text_plain(format!(
"Failed to resolve room alias {room} to a room ID: {e}"
)));
},
}
};
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`)",
));
};
if enable_federation {
services().rooms.metadata.disable_room(&room_id, false)?;
return Ok(RoomMessageEventContent::text_plain("Room unbanned."));
}
Ok(RoomMessageEventContent::text_plain(
"Room unbanned, you may need to re-enable federation with the room using enable-room if this is a remote room \
to make it fully functional.",
))
}
async fn list_banned_rooms(_body: Vec<&str>) -> Result<RoomMessageEventContent> {
let rooms = services()
.rooms
.metadata
.list_banned_rooms()
.collect::<Result<Vec<_>, _>>();
match rooms {
Ok(room_ids) => {
if room_ids.is_empty() {
return Ok(RoomMessageEventContent::text_plain("No rooms are banned."));
}
let mut rooms = room_ids
.into_iter()
.map(|room_id| get_room_info(&room_id))
.collect::<Vec<_>>();
rooms.sort_by_key(|r| r.1);
rooms.reverse();
let output_plain = format!(
"Rooms Banned ({}):\n```\n{}```",
rooms.len(),
rooms
.iter()
.map(|(id, members, name)| format!("{id}\tMembers: {members}\tName: {name}"))
.collect::<Vec<_>>()
.join("\n")
);
let output_html = format!(
"<table><caption>Rooms Banned ({}) \
</caption>\n<tr><th>id</th>\t<th>members</th>\t<th>name</th></tr>\n{}</table>",
rooms.len(),
rooms
.iter()
.fold(String::new(), |mut output, (id, members, name)| {
writeln!(
output,
"<tr><td>{}</td>\t<td>{}</td>\t<td>{}</td></tr>",
id,
members,
escape_html(name.as_ref())
)
.expect("should be able to write to string buffer");
output
})
);
Ok(RoomMessageEventContent::text_html(output_plain, output_html))
},
Err(e) => {
error!("Failed to list banned rooms: {}", e);
Ok(RoomMessageEventContent::text_plain(format!("Unable to list banned rooms: {e}")))
},
}
}