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@ -1,17 +1,18 @@
@@ -1,17 +1,18 @@
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mod edus; |
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pub use edus::RoomEdus; |
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use member::MembershipState; |
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use crate::{pdu::PduBuilder, utils, Database, Error, PduEvent, Result}; |
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use log::{debug, error, warn}; |
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use regex::Regex; |
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use ring::digest; |
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use ruma::{ |
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api::client::error::ErrorKind, |
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api::{client::error::ErrorKind, federation}, |
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events::{ |
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ignored_user_list, push_rules, |
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room::{create::CreateEventContent, member, message}, |
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AnyStrippedStateEvent, EventType, |
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AnyStrippedStateEvent, AnySyncStateEvent, EventType, |
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}, |
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push::{self, Action, Tweak}, |
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serde::{to_canonical_value, CanonicalJsonObject, CanonicalJsonValue, Raw}, |
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@ -54,7 +55,8 @@ pub struct Rooms {
@@ -54,7 +55,8 @@ pub struct Rooms {
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pub(super) roomuseroncejoinedids: sled::Tree, |
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pub(super) userroomid_invitestate: sled::Tree, // InviteState = Vec<Raw<Pdu>>
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pub(super) roomuserid_invitecount: sled::Tree, // InviteCount = Count
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pub(super) userroomid_left: sled::Tree, |
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pub(super) userroomid_leftstate: sled::Tree, |
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pub(super) roomuserid_leftcount: sled::Tree, |
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pub(super) userroomid_notificationcount: sled::Tree, // NotifyCount = u64
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pub(super) userroomid_highlightcount: sled::Tree, // HightlightCount = u64
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@ -671,7 +673,7 @@ impl Rooms {
@@ -671,7 +673,7 @@ impl Rooms {
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.users |
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.iter() |
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.filter_map(|r| r.ok()) |
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.filter(|user_id| db.rooms.is_joined(&user_id, &pdu.room_id).unwrap_or(false)) |
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.filter(|user_id| self.is_joined(&user_id, &pdu.room_id).unwrap_or(false)) |
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{ |
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// Don't notify the user of their own events
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if user == pdu.sender { |
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@ -782,9 +784,11 @@ impl Rooms {
@@ -782,9 +784,11 @@ impl Rooms {
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{ |
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state.push(e.to_stripped_state_event()); |
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} |
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if let Some(e) = |
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self.room_state_get(&pdu.room_id, &EventType::RoomMember, pdu.sender.as_str())? |
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{ |
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if let Some(e) = self.room_state_get( |
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&pdu.room_id, |
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&EventType::RoomMember, |
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pdu.sender.as_str(), |
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)? { |
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state.push(e.to_stripped_state_event()); |
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} |
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@ -1380,7 +1384,7 @@ impl Rooms {
@@ -1380,7 +1384,7 @@ impl Rooms {
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.state_key |
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.as_ref() |
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.map_or(false, |state_key| users.is_match(&state_key)) |
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|| db.rooms.room_members(&room_id).any(|userid| { |
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|| self.room_members(&room_id).any(|userid| { |
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userid.map_or(false, |userid| users.is_match(userid.as_str())) |
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}) |
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}; |
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@ -1537,7 +1541,7 @@ impl Rooms {
@@ -1537,7 +1541,7 @@ impl Rooms {
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user_id: &UserId, |
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membership: member::MembershipState, |
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sender: &UserId, |
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invite_state: Option<Vec<Raw<AnyStrippedStateEvent>>>, |
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last_state: Option<Vec<Raw<AnyStrippedStateEvent>>>, |
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account_data: &super::account_data::AccountData, |
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globals: &super::globals::Globals, |
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) -> Result<()> { |
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@ -1643,7 +1647,8 @@ impl Rooms {
@@ -1643,7 +1647,8 @@ impl Rooms {
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self.roomuserid_joined.insert(&roomuser_id, &[])?; |
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self.userroomid_invitestate.remove(&userroom_id)?; |
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self.roomuserid_invitecount.remove(&roomuser_id)?; |
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self.userroomid_left.remove(&userroom_id)?; |
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self.userroomid_leftstate.remove(&userroom_id)?; |
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self.roomuserid_leftcount.remove(&roomuser_id)?; |
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} |
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member::MembershipState::Invite => { |
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// We want to know if the sender is ignored by the receiver
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@ -1664,14 +1669,15 @@ impl Rooms {
@@ -1664,14 +1669,15 @@ impl Rooms {
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self.roomserverids.insert(&roomserver_id, &[])?; |
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self.userroomid_invitestate.insert( |
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&userroom_id, |
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serde_json::to_vec(&invite_state.unwrap_or_default()) |
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serde_json::to_vec(&last_state.unwrap_or_default()) |
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.expect("state to bytes always works"), |
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)?; |
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self.roomuserid_invitecount |
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.insert(&roomuser_id, &globals.next_count()?.to_be_bytes())?; |
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self.userroomid_joined.remove(&userroom_id)?; |
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self.roomuserid_joined.remove(&roomuser_id)?; |
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self.userroomid_left.remove(&userroom_id)?; |
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self.userroomid_leftstate.remove(&userroom_id)?; |
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self.roomuserid_leftcount.remove(&roomuser_id)?; |
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} |
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member::MembershipState::Leave | member::MembershipState::Ban => { |
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if self |
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@ -1682,7 +1688,12 @@ impl Rooms {
@@ -1682,7 +1688,12 @@ impl Rooms {
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{ |
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self.roomserverids.remove(&roomserver_id)?; |
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} |
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self.userroomid_left.insert(&userroom_id, &[])?; |
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self.userroomid_leftstate.insert( |
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&userroom_id, |
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serde_json::to_vec(&Vec::<Raw<AnySyncStateEvent>>::new()).unwrap(), |
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)?; // TODO
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self.roomuserid_leftcount |
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.insert(&roomuser_id, &globals.next_count()?.to_be_bytes())?; |
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self.userroomid_joined.remove(&userroom_id)?; |
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self.roomuserid_joined.remove(&roomuser_id)?; |
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self.userroomid_invitestate.remove(&userroom_id)?; |
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@ -1694,13 +1705,191 @@ impl Rooms {
@@ -1694,13 +1705,191 @@ impl Rooms {
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Ok(()) |
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} |
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pub async fn leave_room( |
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&self, |
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user_id: &UserId, |
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room_id: &RoomId, |
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db: &Database, |
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) -> Result<()> { |
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// Ask a remote server if we don't have this room
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if !self.exists(room_id)? && room_id.server_name() != db.globals.server_name() { |
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if let Err(e) = self.remote_leave_room(user_id, room_id, db).await { |
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warn!("Failed to leave room {} remotely: {}", user_id, e); |
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// Don't tell the client about this error
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} |
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let last_state = self |
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.invite_state(user_id, room_id)? |
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.map_or_else(|| self.left_state(user_id, room_id), |s| Ok(Some(s)))?; |
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// We always drop the invite, we can't rely on other servers
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self.update_membership( |
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room_id, |
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user_id, |
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MembershipState::Leave, |
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user_id, |
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last_state, |
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&db.account_data, |
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&db.globals, |
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)?; |
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} else { |
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let mut event = serde_json::from_value::<Raw<member::MemberEventContent>>( |
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self.room_state_get(room_id, &EventType::RoomMember, &user_id.to_string())? |
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.ok_or(Error::BadRequest( |
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ErrorKind::BadState, |
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"Cannot leave a room you are not a member of.", |
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))? |
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.content, |
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) |
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.expect("from_value::<Raw<..>> can never fail") |
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.deserialize() |
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.map_err(|_| Error::bad_database("Invalid member event in database."))?; |
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event.membership = member::MembershipState::Leave; |
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self.build_and_append_pdu( |
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PduBuilder { |
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event_type: EventType::RoomMember, |
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content: serde_json::to_value(event) |
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.expect("event is valid, we just created it"), |
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unsigned: None, |
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state_key: Some(user_id.to_string()), |
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redacts: None, |
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}, |
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user_id, |
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room_id, |
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db, |
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)?; |
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} |
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Ok(()) |
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} |
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async fn remote_leave_room( |
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&self, |
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user_id: &UserId, |
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room_id: &RoomId, |
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db: &Database, |
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) -> Result<()> { |
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let mut make_leave_response_and_server = Err(Error::BadServerResponse( |
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"No server available to assist in leaving.", |
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)); |
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let invite_state = db |
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.rooms |
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.invite_state(user_id, room_id)? |
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.ok_or(Error::BadRequest( |
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ErrorKind::BadState, |
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"User is not invited.", |
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))?; |
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let servers = invite_state |
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.iter() |
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.filter_map(|event| { |
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serde_json::from_str::<serde_json::Value>(&event.json().to_string()).ok() |
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}) |
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.filter_map(|event| event.get("sender").cloned()) |
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.filter_map(|sender| sender.as_str().map(|s| s.to_owned())) |
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.filter_map(|sender| UserId::try_from(sender).ok()) |
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.map(|user| user.server_name().to_owned()); |
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for remote_server in servers { |
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let make_leave_response = db |
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.sending |
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.send_federation_request( |
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&db.globals, |
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&remote_server, |
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federation::membership::get_leave_event::v1::Request { room_id, user_id }, |
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) |
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.await; |
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make_leave_response_and_server = make_leave_response.map(|r| (r, remote_server)); |
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if make_leave_response_and_server.is_ok() { |
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break; |
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} |
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} |
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let (make_leave_response, remote_server) = make_leave_response_and_server?; |
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let room_version = match make_leave_response.room_version { |
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Some(room_version) if room_version == RoomVersionId::Version6 => room_version, |
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_ => return Err(Error::BadServerResponse("Room version is not supported")), |
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}; |
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let mut leave_event_stub = |
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serde_json::from_str::<CanonicalJsonObject>(make_leave_response.event.json().get()) |
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.map_err(|_| { |
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Error::BadServerResponse("Invalid make_leave event json received from server.") |
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})?; |
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// TODO: Is origin needed?
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leave_event_stub.insert( |
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"origin".to_owned(), |
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to_canonical_value(db.globals.server_name()) |
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.map_err(|_| Error::bad_database("Invalid server name found"))?, |
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); |
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leave_event_stub.insert( |
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"origin_server_ts".to_owned(), |
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to_canonical_value(utils::millis_since_unix_epoch()) |
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.expect("Timestamp is valid js_int value"), |
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); |
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// We don't leave the event id in the pdu because that's only allowed in v1 or v2 rooms
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leave_event_stub.remove("event_id"); |
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// In order to create a compatible ref hash (EventID) the `hashes` field needs to be present
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ruma::signatures::hash_and_sign_event( |
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db.globals.server_name().as_str(), |
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db.globals.keypair(), |
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&mut leave_event_stub, |
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&room_version, |
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) |
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.expect("event is valid, we just created it"); |
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// Generate event id
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let event_id = EventId::try_from(&*format!( |
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"${}", |
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ruma::signatures::reference_hash(&leave_event_stub, &room_version) |
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.expect("ruma can calculate reference hashes") |
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)) |
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.expect("ruma's reference hashes are valid event ids"); |
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// Add event_id back
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leave_event_stub.insert( |
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"event_id".to_owned(), |
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to_canonical_value(&event_id).expect("EventId is a valid CanonicalJsonValue"), |
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); |
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// It has enough fields to be called a proper event now
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let leave_event = leave_event_stub; |
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db.sending |
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.send_federation_request( |
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&db.globals, |
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&remote_server, |
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federation::membership::create_leave_event::v2::Request { |
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room_id, |
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event_id: &event_id, |
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pdu: PduEvent::convert_to_outgoing_federation_event(leave_event.clone()), |
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}, |
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) |
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.await?; |
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Ok(()) |
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} |
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/// Makes a user forget a room.
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pub fn forget(&self, room_id: &RoomId, user_id: &UserId) -> Result<()> { |
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let mut userroom_id = user_id.as_bytes().to_vec(); |
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userroom_id.push(0xff); |
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userroom_id.extend_from_slice(room_id.as_bytes()); |
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self.userroomid_left.remove(userroom_id)?; |
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let mut roomuser_id = room_id.as_bytes().to_vec(); |
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roomuser_id.push(0xff); |
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roomuser_id.extend_from_slice(user_id.as_bytes()); |
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self.userroomid_leftstate.remove(userroom_id)?; |
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self.roomuserid_leftcount.remove(roomuser_id)?; |
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Ok(()) |
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} |
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@ -1977,7 +2166,6 @@ impl Rooms {
@@ -1977,7 +2166,6 @@ impl Rooms {
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}) |
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} |
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/// Returns an iterator over all invited members of a room.
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#[tracing::instrument(skip(self))] |
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pub fn get_invite_count(&self, room_id: &RoomId, user_id: &UserId) -> Result<Option<u64>> { |
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let mut key = room_id.as_bytes().to_vec(); |
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@ -1993,6 +2181,21 @@ impl Rooms {
@@ -1993,6 +2181,21 @@ impl Rooms {
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}) |
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} |
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#[tracing::instrument(skip(self))] |
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pub fn get_left_count(&self, room_id: &RoomId, user_id: &UserId) -> Result<Option<u64>> { |
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let mut key = room_id.as_bytes().to_vec(); |
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key.push(0xff); |
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key.extend_from_slice(user_id.as_bytes()); |
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self.roomuserid_leftcount |
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.get(key)? |
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.map_or(Ok(None), |bytes| { |
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Ok(Some(utils::u64_from_bytes(&bytes).map_err(|_| { |
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Error::bad_database("Invalid leftcount in db.") |
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})?)) |
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}) |
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} |
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/// Returns an iterator over all rooms this user joined.
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#[tracing::instrument(skip(self))] |
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pub fn rooms_joined(&self, user_id: &UserId) -> impl Iterator<Item = Result<RoomId>> { |
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@ -2045,25 +2248,75 @@ impl Rooms {
@@ -2045,25 +2248,75 @@ impl Rooms {
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}) |
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} |
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#[tracing::instrument(skip(self))] |
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pub fn invite_state( |
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&self, |
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user_id: &UserId, |
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room_id: &RoomId, |
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) -> Result<Option<Vec<Raw<AnyStrippedStateEvent>>>> { |
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let mut key = user_id.as_bytes().to_vec(); |
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key.push(0xff); |
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key.extend_from_slice(&room_id.as_bytes()); |
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self.userroomid_invitestate |
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.get(key)? |
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.map(|state| { |
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let state = serde_json::from_slice(&state) |
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.map_err(|_| Error::bad_database("Invalid state in userroomid_invitestate."))?; |
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Ok(state) |
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}) |
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.transpose() |
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} |
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#[tracing::instrument(skip(self))] |
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pub fn left_state( |
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&self, |
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user_id: &UserId, |
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room_id: &RoomId, |
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) -> Result<Option<Vec<Raw<AnyStrippedStateEvent>>>> { |
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let mut key = user_id.as_bytes().to_vec(); |
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key.push(0xff); |
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key.extend_from_slice(&room_id.as_bytes()); |
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self.userroomid_leftstate |
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.get(key)? |
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.map(|state| { |
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let state = serde_json::from_slice(&state) |
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.map_err(|_| Error::bad_database("Invalid state in userroomid_leftstate."))?; |
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Ok(state) |
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}) |
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.transpose() |
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} |
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/// Returns an iterator over all rooms a user left.
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#[tracing::instrument(skip(self))] |
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|
pub fn rooms_left(&self, user_id: &UserId) -> impl Iterator<Item = Result<RoomId>> { |
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|
pub fn rooms_left( |
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|
&self, |
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|
user_id: &UserId, |
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|
) -> impl Iterator<Item = Result<(RoomId, Vec<Raw<AnySyncStateEvent>>)>> { |
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|
let mut prefix = user_id.as_bytes().to_vec(); |
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|
prefix.push(0xff); |
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|
self.userroomid_left.scan_prefix(prefix).keys().map(|key| { |
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|
Ok(RoomId::try_from( |
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|
self.userroomid_leftstate.scan_prefix(prefix).map(|r| { |
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|
let (key, state) = r?; |
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|
let room_id = RoomId::try_from( |
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|
utils::string_from_bytes( |
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|
&key? |
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|
.rsplit(|&b| b == 0xff) |
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|
&key.rsplit(|&b| b == 0xff) |
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|
.next() |
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|
.expect("rsplit always returns an element"), |
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|
) |
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|
.map_err(|_| { |
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|
|
Error::bad_database("Room ID in userroomid_left is invalid unicode.") |
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|
|
Error::bad_database("Room ID in userroomid_invited is invalid unicode.") |
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|
|
})?, |
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|
) |
|
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|
|
.map_err(|_| Error::bad_database("Room ID in userroomid_left is invalid."))?) |
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|
|
.map_err(|_| Error::bad_database("Room ID in userroomid_invited is invalid."))?; |
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|
|
|
|
|
let state = serde_json::from_slice(&state) |
|
|
|
|
.map_err(|_| Error::bad_database("Invalid state in userroomid_leftstate."))?; |
|
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|
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|
|
Ok((room_id, state)) |
|
|
|
|
}) |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
@ -2096,6 +2349,6 @@ impl Rooms {
@@ -2096,6 +2349,6 @@ impl Rooms {
|
|
|
|
|
userroom_id.push(0xff); |
|
|
|
|
userroom_id.extend_from_slice(room_id.as_bytes()); |
|
|
|
|
|
|
|
|
|
Ok(self.userroomid_left.get(userroom_id)?.is_some()) |
|
|
|
|
Ok(self.userroomid_leftstate.get(userroom_id)?.is_some()) |
|
|
|
|
} |
|
|
|
|
} |
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|
Timo Kösters
5 years ago