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Merge branch 'dont-give-guests-admin' into 'next'

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fix(accounts): don't give guests admin

See merge request famedly/conduit!591
This commit is contained in:
Timo Kösters 2024-03-04 17:00:14 +00:00
commit 57575b7c6f
3 changed files with 237 additions and 239 deletions
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21
src/api/client_server/account.rs
View file

@ -239,13 +239,22 @@ pub async fn register_route(body: Ruma<register::v3::Request>) -> Result<registe
// If this is the first real user, grant them admin privileges
// Note: the server user, @conduit:servername, is generated first
if services().users.count()? == 2 {
services()
.admin
.make_user_admin(&user_id, displayname)
.await?;
if !is_guest {
if let Some(admin_room) = services().admin.get_admin_room()? {
if services()
.rooms
.state_cache
.room_joined_count(&admin_room)?
== Some(1)
{
services()
.admin
.make_user_admin(&user_id, displayname)
.await?;
warn!("Granting {} admin privileges as the first user", user_id);
warn!("Granting {} admin privileges as the first user", user_id);
}
}
}
Ok(register::v3::Response {

281
src/service/admin/mod.rs
View file

@ -23,7 +23,7 @@ use ruma::{
},
TimelineEventType,
},
EventId, OwnedRoomAliasId, RoomAliasId, RoomId, RoomVersionId, ServerName, UserId,
EventId, OwnedRoomAliasId, OwnedRoomId, RoomAliasId, RoomId, RoomVersionId, ServerName, UserId,
};
use serde_json::value::to_raw_value;
use tokio::sync::{mpsc, Mutex, MutexGuard};
@ -214,60 +214,51 @@ impl Service {
let conduit_user = UserId::parse(format!("@conduit:{}", services().globals.server_name()))
.expect("@conduit:server_name is valid");
let conduit_room = services()
.rooms
.alias
.resolve_local_alias(
format!("#admins:{}", services().globals.server_name())
.as_str()
.try_into()
.expect("#admins:server_name is a valid room alias"),
)
.expect("Database data for admin room alias must be valid")
.expect("Admin room must exist");
if let Ok(Some(conduit_room)) = services().admin.get_admin_room() {
let send_message = |message: RoomMessageEventContent,
mutex_lock: &MutexGuard<'_, ()>| {
services()
.rooms
.timeline
.build_and_append_pdu(
PduBuilder {
event_type: TimelineEventType::RoomMessage,
content: to_raw_value(&message)
.expect("event is valid, we just created it"),
unsigned: None,
state_key: None,
redacts: None,
},
&conduit_user,
&conduit_room,
mutex_lock,
)
.unwrap();
};
let send_message = |message: RoomMessageEventContent, mutex_lock: &MutexGuard<'_, ()>| {
services()
.rooms
.timeline
.build_and_append_pdu(
PduBuilder {
event_type: TimelineEventType::RoomMessage,
content: to_raw_value(&message)
.expect("event is valid, we just created it"),
unsigned: None,
state_key: None,
redacts: None,
},
&conduit_user,
&conduit_room,
mutex_lock,
)
.unwrap();
};
loop {
tokio::select! {
Some(event) = receiver.recv() => {
let message_content = match event {
AdminRoomEvent::SendMessage(content) => content,
AdminRoomEvent::ProcessMessage(room_message) => self.process_admin_message(room_message).await
};
loop {
tokio::select! {
Some(event) = receiver.recv() => {
let message_content = match event {
AdminRoomEvent::SendMessage(content) => content,
AdminRoomEvent::ProcessMessage(room_message) => self.process_admin_message(room_message).await
};
let mutex_state = Arc::clone(
services().globals
.roomid_mutex_state
.write()
.unwrap()
.entry(conduit_room.to_owned())
.or_default(),
);
let mutex_state = Arc::clone(
services().globals
.roomid_mutex_state
.write()
.unwrap()
.entry(conduit_room.to_owned())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let state_lock = mutex_state.lock().await;
send_message(message_content, &state_lock);
send_message(message_content, &state_lock);
drop(state_lock);
drop(state_lock);
}
}
}
}
@ -1105,6 +1096,21 @@ impl Service {
Ok(())
}
/// Gets the room ID of the admin room
///
/// Errors are propagated from the database, and will have None if there is no admin room
pub(crate) fn get_admin_room(&self) -> Result<Option<OwnedRoomId>> {
let admin_room_alias: Box<RoomAliasId> =
format!("#admins:{}", services().globals.server_name())
.try_into()
.expect("#admins:server_name is a valid alias name");
services()
.rooms
.alias
.resolve_local_alias(&admin_room_alias)
}
/// Invite the user to the conduit admin room.
///
/// In conduit, this is equivalent to granting admin privileges.
@ -1113,102 +1119,93 @@ impl Service {
user_id: &UserId,
displayname: String,
) -> Result<()> {
let admin_room_alias: Box<RoomAliasId> =
format!("#admins:{}", services().globals.server_name())
.try_into()
.expect("#admins:server_name is a valid alias name");
let room_id = services()
.rooms
.alias
.resolve_local_alias(&admin_room_alias)?
.expect("Admin room must exist");
if let Some(room_id) = services().admin.get_admin_room()? {
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.unwrap()
.entry(room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
let mutex_state = Arc::clone(
services()
.globals
.roomid_mutex_state
.write()
.unwrap()
.entry(room_id.clone())
.or_default(),
);
let state_lock = mutex_state.lock().await;
// Use the server user to grant the new admin's power level
let conduit_user =
UserId::parse_with_server_name("conduit", services().globals.server_name())
.expect("@conduit:server_name is valid");
// Use the server user to grant the new admin's power level
let conduit_user =
UserId::parse_with_server_name("conduit", services().globals.server_name())
.expect("@conduit:server_name is valid");
// Invite and join the real user
services().rooms.timeline.build_and_append_pdu(
PduBuilder {
event_type: TimelineEventType::RoomMember,
content: to_raw_value(&RoomMemberEventContent {
membership: MembershipState::Invite,
displayname: None,
avatar_url: None,
is_direct: None,
third_party_invite: None,
blurhash: None,
reason: None,
join_authorized_via_users_server: None,
})
.expect("event is valid, we just created it"),
unsigned: None,
state_key: Some(user_id.to_string()),
redacts: None,
},
&conduit_user,
&room_id,
&state_lock,
)?;
services().rooms.timeline.build_and_append_pdu(
PduBuilder {
event_type: TimelineEventType::RoomMember,
content: to_raw_value(&RoomMemberEventContent {
membership: MembershipState::Join,
displayname: Some(displayname),
avatar_url: None,
is_direct: None,
third_party_invite: None,
blurhash: None,
reason: None,
join_authorized_via_users_server: None,
})
.expect("event is valid, we just created it"),
unsigned: None,
state_key: Some(user_id.to_string()),
redacts: None,
},
user_id,
&room_id,
&state_lock,
)?;
// Invite and join the real user
services().rooms.timeline.build_and_append_pdu(
PduBuilder {
event_type: TimelineEventType::RoomMember,
content: to_raw_value(&RoomMemberEventContent {
membership: MembershipState::Invite,
displayname: None,
avatar_url: None,
is_direct: None,
third_party_invite: None,
blurhash: None,
reason: None,
join_authorized_via_users_server: None,
})
.expect("event is valid, we just created it"),
unsigned: None,
state_key: Some(user_id.to_string()),
redacts: None,
},
&conduit_user,
&room_id,
&state_lock,
)?;
services().rooms.timeline.build_and_append_pdu(
PduBuilder {
event_type: TimelineEventType::RoomMember,
content: to_raw_value(&RoomMemberEventContent {
membership: MembershipState::Join,
displayname: Some(displayname),
avatar_url: None,
is_direct: None,
third_party_invite: None,
blurhash: None,
reason: None,
join_authorized_via_users_server: None,
})
.expect("event is valid, we just created it"),
unsigned: None,
state_key: Some(user_id.to_string()),
redacts: None,
},
user_id,
&room_id,
&state_lock,
)?;
// Set power level
let mut users = BTreeMap::new();
users.insert(conduit_user.to_owned(), 100.into());
users.insert(user_id.to_owned(), 100.into());
// Set power level
let mut users = BTreeMap::new();
users.insert(conduit_user.to_owned(), 100.into());
users.insert(user_id.to_owned(), 100.into());
services().rooms.timeline.build_and_append_pdu(
PduBuilder {
event_type: TimelineEventType::RoomPowerLevels,
content: to_raw_value(&RoomPowerLevelsEventContent {
users,
..Default::default()
})
.expect("event is valid, we just created it"),
unsigned: None,
state_key: Some("".to_owned()),
redacts: None,
},
&conduit_user,
&room_id,
&state_lock,
)?;
services().rooms.timeline.build_and_append_pdu(
PduBuilder {
event_type: TimelineEventType::RoomPowerLevels,
content: to_raw_value(&RoomPowerLevelsEventContent {
users,
..Default::default()
})
.expect("event is valid, we just created it"),
unsigned: None,
state_key: Some("".to_owned()),
redacts: None,
},
&conduit_user,
&room_id,
&state_lock,
)?;
// Send welcome message
services().rooms.timeline.build_and_append_pdu(
// Send welcome message
services().rooms.timeline.build_and_append_pdu(
PduBuilder {
event_type: TimelineEventType::RoomMessage,
content: to_raw_value(&RoomMessageEventContent::text_html(
@ -1224,7 +1221,7 @@ impl Service {
&room_id,
&state_lock,
)?;
}
Ok(())
}
}

174
src/service/rooms/timeline/mod.rs
View file

@ -28,7 +28,7 @@ use ruma::{
state_res,
state_res::{Event, RoomVersion},
uint, user_id, CanonicalJsonObject, CanonicalJsonValue, EventId, OwnedEventId, OwnedRoomId,
OwnedServerName, RoomAliasId, RoomId, ServerName, UserId,
OwnedServerName, RoomId, ServerName, UserId,
};
use serde::Deserialize;
use serde_json::value::{to_raw_value, RawValue as RawJsonValue};
@ -448,12 +448,6 @@ impl Service {
.search
.index_pdu(shortroomid, &pdu_id, &body)?;
let admin_room = services().rooms.alias.resolve_local_alias(
<&RoomAliasId>::try_from(
format!("#admins:{}", services().globals.server_name()).as_str(),
)
.expect("#admins:server_name is a valid room alias"),
)?;
let server_user = format!("@conduit:{}", services().globals.server_name());
let to_conduit = body.starts_with(&format!("{server_user}: "))
@ -466,8 +460,10 @@ impl Service {
let from_conduit = pdu.sender == server_user
&& services().globals.emergency_password().is_none();
if to_conduit && !from_conduit && admin_room.as_ref() == Some(&pdu.room_id) {
services().admin.process_message(body);
if let Some(admin_room) = services().admin.get_admin_room()? {
if to_conduit && !from_conduit && admin_room == pdu.room_id {
services().admin.process_message(body);
}
}
}
}
@ -820,89 +816,85 @@ impl Service {
let (pdu, pdu_json) =
self.create_hash_and_sign_event(pdu_builder, sender, room_id, state_lock)?;
let admin_room = services().rooms.alias.resolve_local_alias(
<&RoomAliasId>::try_from(
format!("#admins:{}", services().globals.server_name()).as_str(),
)
.expect("#admins:server_name is a valid room alias"),
)?;
if admin_room.filter(|v| v == room_id).is_some() {
match pdu.event_type() {
TimelineEventType::RoomEncryption => {
warn!("Encryption is not allowed in the admins room");
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"Encryption is not allowed in the admins room.",
));
if let Some(admin_room) = services().admin.get_admin_room()? {
if admin_room == room_id {
match pdu.event_type() {
TimelineEventType::RoomEncryption => {
warn!("Encryption is not allowed in the admins room");
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"Encryption is not allowed in the admins room.",
));
}
TimelineEventType::RoomMember => {
#[derive(Deserialize)]
struct ExtractMembership {
membership: MembershipState,
}
let target = pdu
.state_key()
.filter(|v| v.starts_with('@'))
.unwrap_or(sender.as_str());
let server_name = services().globals.server_name();
let server_user = format!("@conduit:{}", server_name);
let content = serde_json::from_str::<ExtractMembership>(pdu.content.get())
.map_err(|_| Error::bad_database("Invalid content in pdu."))?;
if content.membership == MembershipState::Leave {
if target == server_user {
warn!("Conduit user cannot leave from admins room");
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"Conduit user cannot leave from admins room.",
));
}
let count = services()
.rooms
.state_cache
.room_members(room_id)
.filter_map(|m| m.ok())
.filter(|m| m.server_name() == server_name)
.filter(|m| m != target)
.count();
if count < 2 {
warn!("Last admin cannot leave from admins room");
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"Last admin cannot leave from admins room.",
));
}
}
if content.membership == MembershipState::Ban && pdu.state_key().is_some() {
if target == server_user {
warn!("Conduit user cannot be banned in admins room");
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"Conduit user cannot be banned in admins room.",
));
}
let count = services()
.rooms
.state_cache
.room_members(room_id)
.filter_map(|m| m.ok())
.filter(|m| m.server_name() == server_name)
.filter(|m| m != target)
.count();
if count < 2 {
warn!("Last admin cannot be banned in admins room");
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"Last admin cannot be banned in admins room.",
));
}
}
}
_ => {}
}
TimelineEventType::RoomMember => {
#[derive(Deserialize)]
struct ExtractMembership {
membership: MembershipState,
}
let target = pdu
.state_key()
.filter(|v| v.starts_with('@'))
.unwrap_or(sender.as_str());
let server_name = services().globals.server_name();
let server_user = format!("@conduit:{}", server_name);
let content = serde_json::from_str::<ExtractMembership>(pdu.content.get())
.map_err(|_| Error::bad_database("Invalid content in pdu."))?;
if content.membership == MembershipState::Leave {
if target == server_user {
warn!("Conduit user cannot leave from admins room");
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"Conduit user cannot leave from admins room.",
));
}
let count = services()
.rooms
.state_cache
.room_members(room_id)
.filter_map(|m| m.ok())
.filter(|m| m.server_name() == server_name)
.filter(|m| m != target)
.count();
if count < 2 {
warn!("Last admin cannot leave from admins room");
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"Last admin cannot leave from admins room.",
));
}
}
if content.membership == MembershipState::Ban && pdu.state_key().is_some() {
if target == server_user {
warn!("Conduit user cannot be banned in admins room");
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"Conduit user cannot be banned in admins room.",
));
}
let count = services()
.rooms
.state_cache
.room_members(room_id)
.filter_map(|m| m.ok())
.filter(|m| m.server_name() == server_name)
.filter(|m| m != target)
.count();
if count < 2 {
warn!("Last admin cannot be banned in admins room");
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"Last admin cannot be banned in admins room.",
));
}
}
}
_ => {}
}
}