--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/rust/hedgewars-server/src/handlers/inroom.rs Tue May 28 19:04:18 2019 +0300
@@ -0,0 +1,615 @@
+use mio;
+
+use super::common::rnd_reply;
+use crate::utils::to_engine_msg;
+use crate::{
+ protocol::messages::{
+ add_flags, remove_flags, server_chat, HWProtocolMessage, HWServerMessage::*,
+ ProtocolFlags as Flags,
+ },
+ core::{
+ server::HWServer,
+ types,
+ types::{ClientId, GameCfg, RoomId, VoteType, Voting, MAX_HEDGEHOGS_PER_TEAM},
+ room::{HWRoom, RoomFlags, MAX_TEAMS_IN_ROOM},
+ },
+ utils::is_name_illegal,
+};
+use base64::{decode, encode};
+use log::*;
+use std::{cmp::min, iter::once, mem::swap};
+
+#[derive(Clone)]
+struct ByMsg<'a> {
+ messages: &'a [u8],
+}
+
+impl<'a> Iterator for ByMsg<'a> {
+ type Item = &'a [u8];
+
+ fn next(&mut self) -> Option<<Self as Iterator>::Item> {
+ if let Some(size) = self.messages.get(0) {
+ let (msg, next) = self.messages.split_at(*size as usize + 1);
+ self.messages = next;
+ Some(msg)
+ } else {
+ None
+ }
+ }
+}
+
+fn by_msg(source: &[u8]) -> ByMsg {
+ ByMsg { messages: source }
+}
+
+const VALID_MESSAGES: &[u8] =
+ b"M#+LlRrUuDdZzAaSjJ,NpPwtgfhbc12345\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A";
+const NON_TIMED_MESSAGES: &[u8] = b"M#hb";
+
+#[cfg(canhazslicepatterns)]
+fn is_msg_valid(msg: &[u8], team_indices: &[u8]) -> bool {
+ match msg {
+ [size, typ, body..] => {
+ VALID_MESSAGES.contains(typ)
+ && match body {
+ [1...MAX_HEDGEHOGS_PER_TEAM, team, ..] if *typ == b'h' => {
+ team_indices.contains(team)
+ }
+ _ => *typ != b'h',
+ }
+ }
+ _ => false,
+ }
+}
+
+fn is_msg_valid(msg: &[u8], _team_indices: &[u8]) -> bool {
+ if let Some(typ) = msg.get(1) {
+ VALID_MESSAGES.contains(typ)
+ } else {
+ false
+ }
+}
+
+fn is_msg_empty(msg: &[u8]) -> bool {
+ msg.get(1).filter(|t| **t == b'+').is_some()
+}
+
+fn is_msg_timed(msg: &[u8]) -> bool {
+ msg.get(1)
+ .filter(|t| !NON_TIMED_MESSAGES.contains(t))
+ .is_some()
+}
+
+fn voting_description(kind: &VoteType) -> String {
+ format!(
+ "New voting started: {}",
+ match kind {
+ VoteType::Kick(nick) => format!("kick {}", nick),
+ VoteType::Map(name) => format!("map {}", name.as_ref().unwrap()),
+ VoteType::Pause => "pause".to_string(),
+ VoteType::NewSeed => "new seed".to_string(),
+ VoteType::HedgehogsPerTeam(number) => format!("hedgehogs per team: {}", number),
+ }
+ )
+}
+
+fn room_message_flag(msg: &HWProtocolMessage) -> RoomFlags {
+ use crate::protocol::messages::HWProtocolMessage::*;
+ match msg {
+ ToggleRestrictJoin => RoomFlags::RESTRICTED_JOIN,
+ ToggleRestrictTeams => RoomFlags::RESTRICTED_TEAM_ADD,
+ ToggleRegisteredOnly => RoomFlags::RESTRICTED_UNREGISTERED_PLAYERS,
+ _ => RoomFlags::empty(),
+ }
+}
+
+pub fn handle(
+ server: &mut HWServer,
+ client_id: ClientId,
+ response: &mut super::Response,
+ room_id: RoomId,
+ message: HWProtocolMessage,
+) {
+ let client = &mut server.clients[client_id];
+ let room = &mut server.rooms[room_id];
+
+ use crate::protocol::messages::HWProtocolMessage::*;
+ match message {
+ Part(msg) => {
+ let msg = match msg {
+ Some(s) => format!("part: {}", s),
+ None => "part".to_string(),
+ };
+ super::common::exit_room(server, client_id, response, &msg);
+ }
+ Chat(msg) => {
+ response.add(
+ ChatMsg {
+ nick: client.nick.clone(),
+ msg,
+ }
+ .send_all()
+ .in_room(room_id),
+ );
+ }
+ TeamChat(msg) => {
+ let room = &server.rooms[room_id];
+ if let Some(ref info) = room.game_info {
+ if let Some(clan_color) = room.find_team_color(client_id) {
+ let client = &server.clients[client_id];
+ let engine_msg =
+ to_engine_msg(format!("b{}]{}\x20\x20", client.nick, msg).bytes());
+ let team = room.clan_team_owners(clan_color).collect();
+ response.add(ForwardEngineMessage(vec![engine_msg]).send_many(team))
+ }
+ }
+ }
+ Fix => {
+ if client.is_admin() {
+ room.set_is_fixed(true);
+ room.set_join_restriction(false);
+ room.set_team_add_restriction(false);
+ room.set_unregistered_players_restriction(true);
+ }
+ }
+ Unfix => {
+ if client.is_admin() {
+ room.set_is_fixed(false);
+ }
+ }
+ Greeting(text) => {
+ if client.is_admin() || client.is_master() && !room.is_fixed() {
+ room.greeting = text;
+ }
+ }
+ MaxTeams(count) => {
+ if !client.is_master() {
+ response.add(Warning("You're not the room master!".to_string()).send_self());
+ } else if !(2..=MAX_TEAMS_IN_ROOM).contains(&count) {
+ response
+ .add(Warning("/maxteams: specify number from 2 to 8".to_string()).send_self());
+ } else {
+ server.rooms[room_id].max_teams = count;
+ }
+ }
+ RoomName(new_name) => {
+ if is_name_illegal(&new_name) {
+ response.add(Warning("Illegal room name! A room name must be between 1-40 characters long, must not have a trailing or leading space and must not have any of these characters: $()*+?[]^{|}".to_string()).send_self());
+ } else if server.has_room(&new_name) {
+ response.add(
+ Warning("A room with the same name already exists.".to_string()).send_self(),
+ );
+ } else {
+ let room = &mut server.rooms[room_id];
+ if room.is_fixed() || room.master_id != Some(client_id) {
+ response.add(Warning("Access denied.".to_string()).send_self());
+ } else {
+ let mut old_name = new_name.clone();
+ let client = &server.clients[client_id];
+ swap(&mut room.name, &mut old_name);
+ super::common::get_room_update(Some(old_name), room, Some(&client), response);
+ }
+ }
+ }
+ ToggleReady => {
+ let flags = if client.is_ready() {
+ room.ready_players_number -= 1;
+ remove_flags(&[Flags::Ready])
+ } else {
+ room.ready_players_number += 1;
+ add_flags(&[Flags::Ready])
+ };
+
+ let msg = if client.protocol_number < 38 {
+ LegacyReady(client.is_ready(), vec![client.nick.clone()])
+ } else {
+ ClientFlags(flags, vec![client.nick.clone()])
+ };
+ response.add(msg.send_all().in_room(room.id));
+ client.set_is_ready(!client.is_ready());
+
+ if room.is_fixed() && room.ready_players_number == room.players_number {
+ super::common::start_game(server, room_id, response);
+ }
+ }
+ AddTeam(mut info) => {
+ if room.teams.len() >= room.max_teams as usize {
+ response.add(Warning("Too many teams!".to_string()).send_self());
+ } else if room.addable_hedgehogs() == 0 {
+ response.add(Warning("Too many hedgehogs!".to_string()).send_self());
+ } else if room.find_team(|t| t.name == info.name) != None {
+ response.add(
+ Warning("There's already a team with same name in the list.".to_string())
+ .send_self(),
+ );
+ } else if room.game_info.is_some() {
+ response.add(
+ Warning("Joining not possible: Round is in progress.".to_string()).send_self(),
+ );
+ } else if room.is_team_add_restricted() {
+ response.add(
+ Warning("This room currently does not allow adding new teams.".to_string())
+ .send_self(),
+ );
+ } else {
+ info.owner = client.nick.clone();
+ let team = room.add_team(client.id, *info, client.protocol_number < 42);
+ client.teams_in_game += 1;
+ client.clan = Some(team.color);
+ response.add(TeamAccepted(team.name.clone()).send_self());
+ response.add(
+ TeamAdd(team.to_protocol())
+ .send_all()
+ .in_room(room_id)
+ .but_self(),
+ );
+ response.add(
+ TeamColor(team.name.clone(), team.color)
+ .send_all()
+ .in_room(room_id),
+ );
+ response.add(
+ HedgehogsNumber(team.name.clone(), team.hedgehogs_number)
+ .send_all()
+ .in_room(room_id),
+ );
+
+ let room_master = if let Some(id) = room.master_id {
+ Some(&server.clients[id])
+ } else {
+ None
+ };
+ super::common::get_room_update(None, room, room_master, response);
+ }
+ }
+ RemoveTeam(name) => match room.find_team_owner(&name) {
+ None => response.add(
+ Warning("Error: The team you tried to remove does not exist.".to_string())
+ .send_self(),
+ ),
+ Some((id, _)) if id != client_id => response
+ .add(Warning("You can't remove a team you don't own.".to_string()).send_self()),
+ Some((_, name)) => {
+ client.teams_in_game -= 1;
+ client.clan = room.find_team_color(client.id);
+ super::common::remove_teams(
+ room,
+ vec![name.to_string()],
+ client.is_in_game(),
+ response,
+ );
+
+ match room.game_info {
+ Some(ref info) if info.teams_in_game == 0 => {
+ super::common::end_game(server, room_id, response)
+ }
+ _ => (),
+ }
+ }
+ },
+ SetHedgehogsNumber(team_name, number) => {
+ let addable_hedgehogs = room.addable_hedgehogs();
+ if let Some((_, team)) = room.find_team_and_owner_mut(|t| t.name == team_name) {
+ let max_hedgehogs = min(
+ MAX_HEDGEHOGS_PER_TEAM,
+ addable_hedgehogs + team.hedgehogs_number,
+ );
+ if !client.is_master() {
+ response.add(Error("You're not the room master!".to_string()).send_self());
+ } else if !(1..=max_hedgehogs).contains(&number) {
+ response
+ .add(HedgehogsNumber(team.name.clone(), team.hedgehogs_number).send_self());
+ } else {
+ team.hedgehogs_number = number;
+ response.add(
+ HedgehogsNumber(team.name.clone(), number)
+ .send_all()
+ .in_room(room_id)
+ .but_self(),
+ );
+ }
+ } else {
+ response.add(Warning("No such team.".to_string()).send_self());
+ }
+ }
+ SetTeamColor(team_name, color) => {
+ if let Some((owner, team)) = room.find_team_and_owner_mut(|t| t.name == team_name) {
+ if !client.is_master() {
+ response.add(Error("You're not the room master!".to_string()).send_self());
+ } else {
+ team.color = color;
+ response.add(
+ TeamColor(team.name.clone(), color)
+ .send_all()
+ .in_room(room_id)
+ .but_self(),
+ );
+ server.clients[owner].clan = Some(color);
+ }
+ } else {
+ response.add(Warning("No such team.".to_string()).send_self());
+ }
+ }
+ Cfg(cfg) => {
+ if room.is_fixed() {
+ response.add(Warning("Access denied.".to_string()).send_self());
+ } else if !client.is_master() {
+ response.add(Error("You're not the room master!".to_string()).send_self());
+ } else {
+ let cfg = match cfg {
+ GameCfg::Scheme(name, mut values) => {
+ if client.protocol_number == 49 && values.len() >= 2 {
+ let mut s = "X".repeat(50);
+ s.push_str(&values.pop().unwrap());
+ values.push(s);
+ }
+ GameCfg::Scheme(name, values)
+ }
+ cfg => cfg,
+ };
+
+ response.add(cfg.to_server_msg().send_all().in_room(room.id).but_self());
+ room.set_config(cfg);
+ }
+ }
+ Save(name, location) => {
+ response.add(
+ server_chat(format!("Room config saved as {}", name))
+ .send_all()
+ .in_room(room_id),
+ );
+ room.save_config(name, location);
+ }
+ #[cfg(feature = "official-server")]
+ SaveRoom(filename) => {
+ if client.is_admin() {
+ match room.get_saves() {
+ Ok(contents) => response.request_io(super::IoTask::SaveRoom {
+ room_id,
+ filename,
+ contents,
+ }),
+ Err(e) => {
+ warn!("Error while serializing the room configs: {}", e);
+ response.add(
+ Warning("Unable to serialize the room configs.".to_string())
+ .send_self(),
+ )
+ }
+ }
+ }
+ }
+ #[cfg(feature = "official-server")]
+ LoadRoom(filename) => {
+ if client.is_admin() {
+ response.request_io(super::IoTask::LoadRoom { room_id, filename });
+ }
+ }
+ Delete(name) => {
+ if !room.delete_config(&name) {
+ response.add(Warning(format!("Save doesn't exist: {}", name)).send_self());
+ } else {
+ response.add(
+ server_chat(format!("Room config {} has been deleted", name))
+ .send_all()
+ .in_room(room_id),
+ );
+ }
+ }
+ CallVote(None) => {
+ response.add(server_chat("Available callvote commands: kick <nickname>, map <name>, pause, newseed, hedgehogs <number>".to_string())
+ .send_self());
+ }
+ CallVote(Some(kind)) => {
+ let is_in_game = room.game_info.is_some();
+ let error = match &kind {
+ VoteType::Kick(nick) => {
+ if server
+ .find_client(&nick)
+ .filter(|c| c.room_id == Some(room_id))
+ .is_some()
+ {
+ None
+ } else {
+ Some("/callvote kick: No such user!".to_string())
+ }
+ }
+ VoteType::Map(None) => {
+ let names: Vec<_> = server.rooms[room_id].saves.keys().cloned().collect();
+ if names.is_empty() {
+ Some("/callvote map: No maps saved in this room!".to_string())
+ } else {
+ Some(format!("Available maps: {}", names.join(", ")))
+ }
+ }
+ VoteType::Map(Some(name)) => {
+ if room.saves.get(&name[..]).is_some() {
+ None
+ } else {
+ Some("/callvote map: No such map!".to_string())
+ }
+ }
+ VoteType::Pause => {
+ if is_in_game {
+ None
+ } else {
+ Some("/callvote pause: No game in progress!".to_string())
+ }
+ }
+ VoteType::NewSeed => None,
+ VoteType::HedgehogsPerTeam(number) => match number {
+ 1...MAX_HEDGEHOGS_PER_TEAM => None,
+ _ => Some("/callvote hedgehogs: Specify number from 1 to 8.".to_string()),
+ },
+ };
+
+ match error {
+ None => {
+ let msg = voting_description(&kind);
+ let voting = Voting::new(kind, server.room_clients(client_id).collect());
+ let room = &mut server.rooms[room_id];
+ room.voting = Some(voting);
+ response.add(server_chat(msg).send_all().in_room(room_id));
+ super::common::submit_vote(
+ server,
+ types::Vote {
+ is_pro: true,
+ is_forced: false,
+ },
+ response,
+ );
+ }
+ Some(msg) => {
+ response.add(server_chat(msg).send_self());
+ }
+ }
+ }
+ Vote(vote) => {
+ super::common::submit_vote(
+ server,
+ types::Vote {
+ is_pro: vote,
+ is_forced: false,
+ },
+ response,
+ );
+ }
+ ForceVote(vote) => {
+ let is_forced = client.is_admin();
+ super::common::submit_vote(
+ server,
+ types::Vote {
+ is_pro: vote,
+ is_forced,
+ },
+ response,
+ );
+ }
+ ToggleRestrictJoin | ToggleRestrictTeams | ToggleRegisteredOnly => {
+ if client.is_master() {
+ room.flags.toggle(room_message_flag(&message));
+ super::common::get_room_update(None, room, Some(&client), response);
+ }
+ }
+ StartGame => {
+ super::common::start_game(server, room_id, response);
+ }
+ EngineMessage(em) => {
+ if client.teams_in_game > 0 {
+ let decoding = decode(&em[..]).unwrap();
+ let messages = by_msg(&decoding);
+ let valid = messages.filter(|m| is_msg_valid(m, &client.team_indices));
+ let non_empty = valid.clone().filter(|m| !is_msg_empty(m));
+ let sync_msg = valid.clone().filter(|m| is_msg_timed(m)).last().map(|m| {
+ if is_msg_empty(m) {
+ Some(encode(m))
+ } else {
+ None
+ }
+ });
+
+ let em_response = encode(&valid.flat_map(|msg| msg).cloned().collect::<Vec<_>>());
+ if !em_response.is_empty() {
+ response.add(
+ ForwardEngineMessage(vec![em_response])
+ .send_all()
+ .in_room(room.id)
+ .but_self(),
+ );
+ }
+ let em_log = encode(&non_empty.flat_map(|msg| msg).cloned().collect::<Vec<_>>());
+ if let Some(ref mut info) = room.game_info {
+ if !em_log.is_empty() {
+ info.msg_log.push(em_log);
+ }
+ if let Some(msg) = sync_msg {
+ info.sync_msg = msg;
+ }
+ }
+ }
+ }
+ RoundFinished => {
+ let mut game_ended = false;
+ if client.is_in_game() {
+ client.set_is_in_game(false);
+ response.add(
+ ClientFlags(remove_flags(&[Flags::InGame]), vec![client.nick.clone()])
+ .send_all()
+ .in_room(room.id),
+ );
+ let team_names: Vec<_> = room
+ .client_teams(client_id)
+ .map(|t| t.name.clone())
+ .collect();
+
+ if let Some(ref mut info) = room.game_info {
+ info.teams_in_game -= team_names.len() as u8;
+ if info.teams_in_game == 0 {
+ game_ended = true;
+ }
+
+ for team_name in team_names {
+ let msg = once(b'F').chain(team_name.bytes());
+ response.add(
+ ForwardEngineMessage(vec![to_engine_msg(msg)])
+ .send_all()
+ .in_room(room_id)
+ .but_self(),
+ );
+
+ let remove_msg = to_engine_msg(once(b'F').chain(team_name.bytes()));
+ if let Some(m) = &info.sync_msg {
+ info.msg_log.push(m.clone());
+ }
+ if info.sync_msg.is_some() {
+ info.sync_msg = None
+ }
+ info.msg_log.push(remove_msg.clone());
+ response.add(
+ ForwardEngineMessage(vec![remove_msg])
+ .send_all()
+ .in_room(room_id)
+ .but_self(),
+ );
+ }
+ }
+ }
+ if game_ended {
+ super::common::end_game(server, room_id, response)
+ }
+ }
+ Rnd(v) => {
+ let result = rnd_reply(&v);
+ let mut echo = vec!["/rnd".to_string()];
+ echo.extend(v.into_iter());
+ let chat_msg = ChatMsg {
+ nick: server.clients[client_id].nick.clone(),
+ msg: echo.join(" "),
+ };
+ response.add(chat_msg.send_all().in_room(room_id));
+ response.add(result.send_all().in_room(room_id));
+ }
+ Delegate(nick) => {
+ let delegate_id = server.find_client(&nick).map(|c| (c.id, c.room_id));
+ let client = &server.clients[client_id];
+ if !(client.is_admin() || client.is_master()) {
+ response.add(
+ Warning("You're not the room master or a server admin!".to_string())
+ .send_self(),
+ )
+ } else {
+ match delegate_id {
+ None => response.add(Warning("Player is not online.".to_string()).send_self()),
+ Some((id, _)) if id == client_id => response
+ .add(Warning("You're already the room master.".to_string()).send_self()),
+ Some((_, id)) if id != Some(room_id) => response
+ .add(Warning("The player is not in your room.".to_string()).send_self()),
+ Some((id, _)) => {
+ super::common::change_master(server, room_id, id, response);
+ }
+ }
+ }
+ }
+ _ => warn!("Unimplemented!"),
+ }
+}