Kraut.World/server
3
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Adding support to persist variables in Redis

Browse source
This commit is contained in:
David Négrier 2021-07-19 15:57:50 +02:00
parent 18e4d2ba4e
commit d955ddfe82
24 changed files with 397 additions and 120 deletions
Download patch file Download diff file Expand all files Collapse all files

2
back/package.json
View file

@ -53,6 +53,7 @@
"mkdirp": "^1.0.4",
"prom-client": "^12.0.0",
"query-string": "^6.13.3",
"redis": "^3.1.2",
"systeminformation": "^4.31.1",
"uWebSockets.js": "uNetworking/uWebSockets.js#v18.5.0",
"uuidv4": "^6.0.7"
@ -66,6 +67,7 @@
"@types/jasmine": "^3.5.10",
"@types/jsonwebtoken": "^8.3.8",
"@types/mkdirp": "^1.0.1",
"@types/redis": "^2.8.31",
"@types/uuidv4": "^5.0.0",
"@typescript-eslint/eslint-plugin": "^2.26.0",
"@typescript-eslint/parser": "^2.26.0",

3
back/src/Enum/EnvironmentVariable.ts
View file

@ -12,6 +12,9 @@ const GRPC_PORT = parseInt(process.env.GRPC_PORT || "50051") || 50051;
export const SOCKET_IDLE_TIMER = parseInt(process.env.SOCKET_IDLE_TIMER as string) || 30; // maximum time (in second) without activity before a socket is closed
export const TURN_STATIC_AUTH_SECRET = process.env.TURN_STATIC_AUTH_SECRET || "";
export const MAX_PER_GROUP = parseInt(process.env.MAX_PER_GROUP || "4");
export const REDIS_HOST = process.env.REDIS_HOST || undefined;
export const REDIS_PORT = parseInt(process.env.REDIS_PORT || "6379") || 6379;
export const REDIS_PASSWORD = process.env.REDIS_PASSWORD || undefined;
export {
MINIMUM_DISTANCE,

92
back/src/Model/GameRoom.ts
View file

@ -11,18 +11,19 @@ import {
EmoteEventMessage,
JoinRoomMessage,
SubToPusherRoomMessage,
VariableMessage, VariableWithTagMessage,
VariableMessage,
VariableWithTagMessage,
} from "../Messages/generated/messages_pb";
import { ProtobufUtils } from "../Model/Websocket/ProtobufUtils";
import { RoomSocket, ZoneSocket } from "src/RoomManager";
import { Admin } from "../Model/Admin";
import {adminApi} from "../Services/AdminApi";
import {isMapDetailsData, MapDetailsData} from "../Services/AdminApi/MapDetailsData";
import {ITiledMap} from "@workadventure/tiled-map-type-guard/dist";
import {mapFetcher} from "../Services/MapFetcher";
import {VariablesManager} from "../Services/VariablesManager";
import {ADMIN_API_URL} from "../Enum/EnvironmentVariable";
import {LocalUrlError} from "../Services/LocalUrlError";
import { adminApi } from "../Services/AdminApi";
import { isMapDetailsData, MapDetailsData } from "../Services/AdminApi/MapDetailsData";
import { ITiledMap } from "@workadventure/tiled-map-type-guard/dist";
import { mapFetcher } from "../Services/MapFetcher";
import { VariablesManager } from "../Services/VariablesManager";
import { ADMIN_API_URL } from "../Enum/EnvironmentVariable";
import { LocalUrlError } from "../Services/LocalUrlError";
export type ConnectCallback = (user: User, group: Group) => void;
export type DisconnectCallback = (user: User, group: Group) => void;
@ -68,10 +69,21 @@ export class GameRoom {
onMoves: MovesCallback,
onLeaves: LeavesCallback,
onEmote: EmoteCallback
) : Promise<GameRoom> {
): Promise<GameRoom> {
const mapDetails = await GameRoom.getMapDetails(roomUrl);
const gameRoom = new GameRoom(roomUrl, mapDetails.mapUrl, connectCallback, disconnectCallback, minDistance, groupRadius, onEnters, onMoves, onLeaves, onEmote);
const gameRoom = new GameRoom(
roomUrl,
mapDetails.mapUrl,
connectCallback,
disconnectCallback,
minDistance,
groupRadius,
onEnters,
onMoves,
onLeaves,
onEmote
);
return gameRoom;
}
@ -381,7 +393,7 @@ export class GameRoom {
const match = /\/_\/[^/]+\/(.+)/.exec(roomUrlObj.pathname);
if (!match) {
console.error('Unexpected room URL', roomUrl);
console.error("Unexpected room URL", roomUrl);
throw new Error('Unexpected room URL "' + roomUrl + '"');
}
@ -392,18 +404,18 @@ export class GameRoom {
policy_type: 1,
textures: [],
tags: [],
}
};
}
const result = await adminApi.fetchMapDetails(roomUrl);
if (!isMapDetailsData(result)) {
console.error('Unexpected room details received from server', result);
throw new Error('Unexpected room details received from server');
console.error("Unexpected room details received from server", result);
throw new Error("Unexpected room details received from server");
}
return result;
}
private mapPromise: Promise<ITiledMap>|undefined;
private mapPromise: Promise<ITiledMap> | undefined;
/**
* Returns a promise to the map file.
@ -418,27 +430,45 @@ export class GameRoom {
return this.mapPromise;
}
private variableManagerPromise: Promise<VariablesManager>|undefined;
private variableManagerPromise: Promise<VariablesManager> | undefined;
private getVariableManager(): Promise<VariablesManager> {
if (!this.variableManagerPromise) {
this.variableManagerPromise = new Promise<VariablesManager>((resolve, reject) => {
this.getMap().then((map) => {
resolve(new VariablesManager(map));
}).catch(e => {
if (e instanceof LocalUrlError) {
// If we are trying to load a local URL, we are probably in test mode.
// In this case, let's bypass the server-side checks completely.
this.getMap()
.then((map) => {
const variablesManager = new VariablesManager(this.roomUrl, map);
variablesManager
.init()
.then(() => {
resolve(variablesManager);
})
.catch((e) => {
reject(e);
});
})
.catch((e) => {
if (e instanceof LocalUrlError) {
// If we are trying to load a local URL, we are probably in test mode.
// In this case, let's bypass the server-side checks completely.
// FIXME: find a way to send a warning to the client side
// FIXME: find a way to send a warning to the client side
// FIXME: find a way to send a warning to the client side
// FIXME: find a way to send a warning to the client side
resolve(new VariablesManager(null));
} else {
reject(e);
}
})
// FIXME: find a way to send a warning to the client side
// FIXME: find a way to send a warning to the client side
// FIXME: find a way to send a warning to the client side
// FIXME: find a way to send a warning to the client side
const variablesManager = new VariablesManager(this.roomUrl, null);
variablesManager
.init()
.then(() => {
resolve(variablesManager);
})
.catch((e) => {
reject(e);
});
} else {
reject(e);
}
});
});
}
return this.variableManagerPromise;

75
back/src/RoomManager.ts
View file

@ -4,7 +4,9 @@ import {
AdminMessage,
AdminPusherToBackMessage,
AdminRoomMessage,
BanMessage, BatchToPusherMessage, BatchToPusherRoomMessage,
BanMessage,
BatchToPusherMessage,
BatchToPusherRoomMessage,
EmotePromptMessage,
EmptyMessage,
ItemEventMessage,
@ -12,17 +14,19 @@ import {
PlayGlobalMessage,
PusherToBackMessage,
QueryJitsiJwtMessage,
RefreshRoomPromptMessage, RoomMessage,
RefreshRoomPromptMessage,
RoomMessage,
ServerToAdminClientMessage,
SilentMessage,
UserMovesMessage, VariableMessage,
UserMovesMessage,
VariableMessage,
WebRtcSignalToServerMessage,
WorldFullWarningToRoomMessage,
ZoneMessage,
} from "./Messages/generated/messages_pb";
import { sendUnaryData, ServerDuplexStream, ServerUnaryCall, ServerWritableStream } from "grpc";
import { socketManager } from "./Services/SocketManager";
import {emitError, emitErrorOnRoomSocket, emitErrorOnZoneSocket} from "./Services/MessageHelpers";
import { emitError, emitErrorOnRoomSocket, emitErrorOnZoneSocket } from "./Services/MessageHelpers";
import { User, UserSocket } from "./Model/User";
import { GameRoom } from "./Model/GameRoom";
import Debug from "debug";
@ -55,7 +59,8 @@ const roomManager: IRoomManagerServer = {
//Connexion may have been closed before the init was finished, so we have to manually disconnect the user.
socketManager.leaveRoom(gameRoom, myUser);
}
}).catch(e => emitError(call, e));
})
.catch((e) => emitError(call, e));
} else {
throw new Error("The first message sent MUST be of type JoinRoomMessage");
}
@ -138,22 +143,30 @@ const roomManager: IRoomManagerServer = {
debug("listenZone called");
const zoneMessage = call.request;
socketManager.addZoneListener(call, zoneMessage.getRoomid(), zoneMessage.getX(), zoneMessage.getY()).catch(e => {
emitErrorOnZoneSocket(call, e.toString());
});
socketManager
.addZoneListener(call, zoneMessage.getRoomid(), zoneMessage.getX(), zoneMessage.getY())
.catch((e) => {
emitErrorOnZoneSocket(call, e.toString());
});
call.on("cancelled", () => {
debug("listenZone cancelled");
socketManager.removeZoneListener(call, zoneMessage.getRoomid(), zoneMessage.getX(), zoneMessage.getY()).catch(e => console.error(e));
socketManager
.removeZoneListener(call, zoneMessage.getRoomid(), zoneMessage.getX(), zoneMessage.getY())
.catch((e) => console.error(e));
call.end();
});
call.on("close", () => {
debug("listenZone connection closed");
socketManager.removeZoneListener(call, zoneMessage.getRoomid(), zoneMessage.getX(), zoneMessage.getY()).catch(e => console.error(e));
socketManager
.removeZoneListener(call, zoneMessage.getRoomid(), zoneMessage.getX(), zoneMessage.getY())
.catch((e) => console.error(e));
}).on("error", (e) => {
console.error("An error occurred in listenZone stream:", e);
socketManager.removeZoneListener(call, zoneMessage.getRoomid(), zoneMessage.getX(), zoneMessage.getY()).catch(e => console.error(e));
socketManager
.removeZoneListener(call, zoneMessage.getRoomid(), zoneMessage.getX(), zoneMessage.getY())
.catch((e) => console.error(e));
call.end();
});
},
@ -162,25 +175,24 @@ const roomManager: IRoomManagerServer = {
debug("listenRoom called");
const roomMessage = call.request;
socketManager.addRoomListener(call, roomMessage.getRoomid()).catch(e => {
socketManager.addRoomListener(call, roomMessage.getRoomid()).catch((e) => {
emitErrorOnRoomSocket(call, e.toString());
});
call.on("cancelled", () => {
debug("listenRoom cancelled");
socketManager.removeRoomListener(call, roomMessage.getRoomid()).catch(e => console.error(e));
socketManager.removeRoomListener(call, roomMessage.getRoomid()).catch((e) => console.error(e));
call.end();
});
call.on("close", () => {
debug("listenRoom connection closed");
socketManager.removeRoomListener(call, roomMessage.getRoomid()).catch(e => console.error(e));
socketManager.removeRoomListener(call, roomMessage.getRoomid()).catch((e) => console.error(e));
}).on("error", (e) => {
console.error("An error occurred in listenRoom stream:", e);
socketManager.removeRoomListener(call, roomMessage.getRoomid()).catch(e => console.error(e));
socketManager.removeRoomListener(call, roomMessage.getRoomid()).catch((e) => console.error(e));
call.end();
});
},
adminRoom(call: AdminSocket): void {
@ -194,9 +206,12 @@ const roomManager: IRoomManagerServer = {
if (room === null) {
if (message.hasSubscribetoroom()) {
const roomId = message.getSubscribetoroom();
socketManager.handleJoinAdminRoom(admin, roomId).then((gameRoom: GameRoom) => {
room = gameRoom;
}).catch(e => console.error(e));
socketManager
.handleJoinAdminRoom(admin, roomId)
.then((gameRoom: GameRoom) => {
room = gameRoom;
})
.catch((e) => console.error(e));
} else {
throw new Error("The first message sent MUST be of type JoinRoomMessage");
}
@ -221,11 +236,9 @@ const roomManager: IRoomManagerServer = {
});
},
sendAdminMessage(call: ServerUnaryCall<AdminMessage>, callback: sendUnaryData<EmptyMessage>): void {
socketManager.sendAdminMessage(
call.request.getRoomid(),
call.request.getRecipientuuid(),
call.request.getMessage()
).catch(e => console.error(e));
socketManager
.sendAdminMessage(call.request.getRoomid(), call.request.getRecipientuuid(), call.request.getMessage())
.catch((e) => console.error(e));
callback(null, new EmptyMessage());
},
@ -236,13 +249,17 @@ const roomManager: IRoomManagerServer = {
},
ban(call: ServerUnaryCall<BanMessage>, callback: sendUnaryData<EmptyMessage>): void {
// FIXME Work in progress
socketManager.banUser(call.request.getRoomid(), call.request.getRecipientuuid(), call.request.getMessage()).catch(e => console.error(e));
socketManager
.banUser(call.request.getRoomid(), call.request.getRecipientuuid(), call.request.getMessage())
.catch((e) => console.error(e));
callback(null, new EmptyMessage());
},
sendAdminMessageToRoom(call: ServerUnaryCall<AdminRoomMessage>, callback: sendUnaryData<EmptyMessage>): void {
// FIXME: we could improve return message by returning a Success|ErrorMessage message
socketManager.sendAdminRoomMessage(call.request.getRoomid(), call.request.getMessage()).catch(e => console.error(e));
socketManager
.sendAdminRoomMessage(call.request.getRoomid(), call.request.getMessage())
.catch((e) => console.error(e));
callback(null, new EmptyMessage());
},
sendWorldFullWarningToRoom(
@ -250,7 +267,7 @@ const roomManager: IRoomManagerServer = {
callback: sendUnaryData<EmptyMessage>
): void {
// FIXME: we could improve return message by returning a Success|ErrorMessage message
socketManager.dispatchWorldFullWarning(call.request.getRoomid()).catch(e => console.error(e));
socketManager.dispatchWorldFullWarning(call.request.getRoomid()).catch((e) => console.error(e));
callback(null, new EmptyMessage());
},
sendRefreshRoomPrompt(
@ -258,9 +275,9 @@ const roomManager: IRoomManagerServer = {
callback: sendUnaryData<EmptyMessage>
): void {
// FIXME: we could improve return message by returning a Success|ErrorMessage message
socketManager.dispatchRoomRefresh(call.request.getRoomid()).catch(e => console.error(e));
socketManager.dispatchRoomRefresh(call.request.getRoomid()).catch((e) => console.error(e));
callback(null, new EmptyMessage());
}
},
};
export { roomManager };

2
back/src/Services/AdminApi/MapDetailsData.ts
View file

@ -15,7 +15,7 @@ export const isMapDetailsData = new tg.IsInterface()
textures: tg.isArray(isCharacterTexture),
})
.withOptionalProperties({
roomSlug: tg.isUnion(tg.isString, tg.isNull), // deprecated
roomSlug: tg.isUnion(tg.isString, tg.isNull), // deprecated
})
.get();
export type MapDetailsData = tg.GuardedType<typeof isMapDetailsData>;

3
back/src/Services/LocalUrlError.ts
View file

@ -1,2 +1 @@
export class LocalUrlError extends Error {
}
export class LocalUrlError extends Error {}

22
back/src/Services/MapFetcher.ts
View file

@ -1,17 +1,17 @@
import Axios from "axios";
import ipaddr from 'ipaddr.js';
import { Resolver } from 'dns';
import { promisify } from 'util';
import {LocalUrlError} from "./LocalUrlError";
import {ITiledMap} from "@workadventure/tiled-map-type-guard";
import {isTiledMap} from "@workadventure/tiled-map-type-guard/dist";
import ipaddr from "ipaddr.js";
import { Resolver } from "dns";
import { promisify } from "util";
import { LocalUrlError } from "./LocalUrlError";
import { ITiledMap } from "@workadventure/tiled-map-type-guard";
import { isTiledMap } from "@workadventure/tiled-map-type-guard/dist";
class MapFetcher {
async fetchMap(mapUrl: string): Promise<ITiledMap> {
// Before trying to make the query, let's verify the map is actually on the open internet (and not a local test map)
if (await this.isLocalUrl(mapUrl)) {
throw new LocalUrlError('URL for map "'+mapUrl+'" targets a local map');
throw new LocalUrlError('URL for map "' + mapUrl + '" targets a local map');
}
// Note: mapUrl is provided by the client. A possible attack vector would be to use a rogue DNS server that
@ -22,12 +22,12 @@ class MapFetcher {
// - We make sure we are only passing "GET" requests
// - The result of the query is never displayed to the end user
const res = await Axios.get(mapUrl, {
maxContentLength: 50*1024*1024, // Max content length: 50MB. Maps should not be bigger
maxContentLength: 50 * 1024 * 1024, // Max content length: 50MB. Maps should not be bigger
timeout: 10000, // Timeout after 10 seconds
});
if (!isTiledMap(res.data)) {
throw new Error('Invalid map format for map '+mapUrl);
throw new Error("Invalid map format for map " + mapUrl);
}
return res.data;
@ -39,7 +39,7 @@ class MapFetcher {
*/
private async isLocalUrl(url: string): Promise<boolean> {
const urlObj = new URL(url);
if (urlObj.hostname === 'localhost' || urlObj.hostname.endsWith('.localhost')) {
if (urlObj.hostname === "localhost" || urlObj.hostname.endsWith(".localhost")) {
return true;
}
@ -53,7 +53,7 @@ class MapFetcher {
for (const address of addresses) {
const addr = ipaddr.parse(address);
if (addr.range() !== 'unicast') {
if (addr.range() !== "unicast") {
return true;
}
}

9
back/src/Services/MessageHelpers.ts
View file

@ -1,11 +1,14 @@
import {
BatchMessage,
BatchToPusherMessage, BatchToPusherRoomMessage,
BatchToPusherMessage,
BatchToPusherRoomMessage,
ErrorMessage,
ServerToClientMessage, SubToPusherMessage, SubToPusherRoomMessage
ServerToClientMessage,
SubToPusherMessage,
SubToPusherRoomMessage,
} from "../Messages/generated/messages_pb";
import { UserSocket } from "_Model/User";
import {RoomSocket, ZoneSocket} from "../RoomManager";
import { RoomSocket, ZoneSocket } from "../RoomManager";
export function emitError(Client: UserSocket, message: string): void {
const errorMessage = new ErrorMessage();

23
back/src/Services/RedisClient.ts Normal file
View file

@ -0,0 +1,23 @@
import { ClientOpts, createClient, RedisClient } from "redis";
import { REDIS_HOST, REDIS_PASSWORD, REDIS_PORT } from "../Enum/EnvironmentVariable";
let redisClient: RedisClient | null = null;
if (REDIS_HOST !== undefined) {
const config: ClientOpts = {
host: REDIS_HOST,
port: REDIS_PORT,
};
if (REDIS_PASSWORD) {
config.password = REDIS_PASSWORD;
}
redisClient = createClient(config);
redisClient.on("error", (err) => {
console.error("Error connecting to Redis:", err);
});
}
export { redisClient };

40
back/src/Services/Repository/RedisVariablesRepository.ts Normal file
View file

@ -0,0 +1,40 @@
import { promisify } from "util";
import { RedisClient } from "redis";
import { VariablesRepositoryInterface } from "./VariablesRepositoryInterface";
/**
* Class in charge of saving/loading variables from the data store
*/
export class RedisVariablesRepository implements VariablesRepositoryInterface {
private readonly hgetall: OmitThisParameter<(arg1: string) => Promise<{ [p: string]: string }>>;
private readonly hset: OmitThisParameter<(arg1: [string, ...string[]]) => Promise<number>>;
constructor(redisClient: RedisClient) {
// @eslint-disable-next-line @typescript-eslint/unbound-method
this.hgetall = promisify(redisClient.hgetall).bind(redisClient);
// @eslint-disable-next-line @typescript-eslint/unbound-method
this.hset = promisify(redisClient.hset).bind(redisClient);
}
/**
* Load all variables for a room.
*
* Note: in Redis, variables are stored in a hashmap and the key is the roomUrl
*/
async loadVariables(roomUrl: string): Promise<{ [key: string]: string }> {
return this.hgetall(roomUrl);
}
async saveVariable(roomUrl: string, key: string, value: string): Promise<number> {
// TODO: handle the case for "undefined"
// TODO: handle the case for "undefined"
// TODO: handle the case for "undefined"
// TODO: handle the case for "undefined"
// TODO: handle the case for "undefined"
// TODO: SLOW WRITING EVERY 2 SECONDS WITH A TIMEOUT
// @ts-ignore See https://stackoverflow.com/questions/63539317/how-do-i-use-hmset-with-node-promisify
return this.hset(roomUrl, key, value);
}
}

14
back/src/Services/Repository/VariablesRepository.ts Normal file
View file

@ -0,0 +1,14 @@
import { RedisVariablesRepository } from "./RedisVariablesRepository";
import { redisClient } from "../RedisClient";
import { VoidVariablesRepository } from "./VoidVariablesRepository";
import { VariablesRepositoryInterface } from "./VariablesRepositoryInterface";
let variablesRepository: VariablesRepositoryInterface;
if (!redisClient) {
console.warn("WARNING: Redis isnot configured. No variables will be persisted.");
variablesRepository = new VoidVariablesRepository();
} else {
variablesRepository = new RedisVariablesRepository(redisClient);
}
export { variablesRepository };

10
back/src/Services/Repository/VariablesRepositoryInterface.ts Normal file
View file

@ -0,0 +1,10 @@
export interface VariablesRepositoryInterface {
/**
* Load all variables for a room.
*
* Note: in Redis, variables are stored in a hashmap and the key is the roomUrl
*/
loadVariables(roomUrl: string): Promise<{ [key: string]: string }>;
saveVariable(roomUrl: string, key: string, value: string): Promise<number>;
}

14
back/src/Services/Repository/VoidVariablesRepository.ts Normal file
View file

@ -0,0 +1,14 @@
import { VariablesRepositoryInterface } from "./VariablesRepositoryInterface";
/**
* Mock class in charge of NOT saving/loading variables from the data store
*/
export class VoidVariablesRepository implements VariablesRepositoryInterface {
loadVariables(roomUrl: string): Promise<{ [key: string]: string }> {
return Promise.resolve({});
}
saveVariable(roomUrl: string, key: string, value: string): Promise<number> {
return Promise.resolve(0);
}
}

16
back/src/Services/SocketManager.ts
View file

@ -305,13 +305,15 @@ export class SocketManager {
this.onClientLeave(thing, newZone, listener),
(emoteEventMessage: EmoteEventMessage, listener: ZoneSocket) =>
this.onEmote(emoteEventMessage, listener)
).then((gameRoom) => {
gaugeManager.incNbRoomGauge();
resolve(gameRoom);
}).catch((e) => {
this.roomsPromises.delete(roomId);
reject(e);
});
)
.then((gameRoom) => {
gaugeManager.incNbRoomGauge();
resolve(gameRoom);
})
.catch((e) => {
this.roomsPromises.delete(roomId);
reject(e);
});
});
this.roomsPromises.set(roomId, roomPromise);
}

94
back/src/Services/VariablesManager.ts
View file

@ -1,14 +1,16 @@
/**
* Handles variables shared between the scripting API and the server.
*/
import {ITiledMap, ITiledMapObject, ITiledMapObjectLayer} from "@workadventure/tiled-map-type-guard/dist";
import {User} from "_Model/User";
import { ITiledMap, ITiledMapObject, ITiledMapObjectLayer } from "@workadventure/tiled-map-type-guard/dist";
import { User } from "_Model/User";
import { variablesRepository } from "./Repository/VariablesRepository";
import { redisClient } from "./RedisClient";
interface Variable {
defaultValue?: string,
persist?: boolean,
readableBy?: string,
writableBy?: string,
defaultValue?: string;
persist?: boolean;
readableBy?: string;
writableBy?: string;
}
export class VariablesManager {
@ -25,7 +27,7 @@ export class VariablesManager {
/**
* @param map The map can be "null" if it is hosted on a private network. In this case, we assume this is a test setup and bypass any server-side checks.
*/
constructor(private map: ITiledMap | null) {
constructor(private roomUrl: string, private map: ITiledMap | null) {
// We initialize the list of variable object at room start. The objects cannot be edited later
// (otherwise, this would cause a security issue if the scripting API can edit this list of objects)
if (map) {
@ -40,14 +42,43 @@ export class VariablesManager {
}
}
/**
* Let's load data from the Redis backend.
*/
public async init(): Promise<void> {
if (!this.shouldPersist()) {
return;
}
const variables = await variablesRepository.loadVariables(this.roomUrl);
console.error("LIST OF VARIABLES FETCHED", variables);
for (const key in variables) {
this._variables.set(key, variables[key]);
}
}
/**
* Returns true if saving should be enabled, and false otherwise.
*
* Saving is enabled if REDIS_HOST is set
* unless we are editing a local map
* unless we are in dev mode in which case it is ok to save
*
* @private
*/
private shouldPersist(): boolean {
return redisClient !== null && (this.map !== null || process.env.NODE_ENV === "development");
}
private static findVariablesInMap(map: ITiledMap): Map<string, Variable> {
const objects = new Map<string, Variable>();
for (const layer of map.layers) {
if (layer.type === 'objectgroup') {
if (layer.type === "objectgroup") {
for (const object of (layer as ITiledMapObjectLayer).objects) {
if (object.type === 'variable') {
if (object.type === "variable") {
if (object.template) {
console.warn('Warning, a variable object is using a Tiled "template". WorkAdventure does not support objects generated from Tiled templates.')
console.warn(
'Warning, a variable object is using a Tiled "template". WorkAdventure does not support objects generated from Tiled templates.'
);
continue;
}
@ -67,26 +98,30 @@ export class VariablesManager {
for (const property of object.properties) {
const value = property.value;
switch (property.name) {
case 'default':
case "default":
variable.defaultValue = JSON.stringify(value);
break;
case 'persist':
if (typeof value !== 'boolean') {
case "persist":
if (typeof value !== "boolean") {
throw new Error('The persist property of variable "' + object.name + '" must be a boolean');
}
variable.persist = value;
break;
case 'writableBy':
if (typeof value !== 'string') {
throw new Error('The writableBy property of variable "' + object.name + '" must be a string');
case "writableBy":
if (typeof value !== "string") {
throw new Error(
'The writableBy property of variable "' + object.name + '" must be a string'
);
}
if (value) {
variable.writableBy = value;
}
break;
case 'readableBy':
if (typeof value !== 'string') {
throw new Error('The readableBy property of variable "' + object.name + '" must be a string');
case "readableBy":
if (typeof value !== "string") {
throw new Error(
'The readableBy property of variable "' + object.name + '" must be a string'
);
}
if (value) {
variable.readableBy = value;
@ -107,14 +142,27 @@ export class VariablesManager {
throw new Error('Trying to set a variable "' + name + '" that is not defined as an object in the map.');
}
if (variableObject.writableBy && user.tags.indexOf(variableObject.writableBy) === -1) {
throw new Error('Trying to set a variable "' + name + '". User "' + user.name + '" does not have sufficient permission. Required tag: "' + variableObject.writableBy + '". User tags: ' + user.tags.join(', ') + ".");
if (variableObject.writableBy && !user.tags.includes(variableObject.writableBy)) {
throw new Error(
'Trying to set a variable "' +
name +
'". User "' +
user.name +
'" does not have sufficient permission. Required tag: "' +
variableObject.writableBy +
'". User tags: ' +
user.tags.join(", ") +
"."
);
}
readableBy = variableObject.readableBy;
}
this._variables.set(name, value);
variablesRepository
.saveVariable(this.roomUrl, name, value)
.catch((e) => console.error("Error while saving variable in Redis:", e));
return readableBy;
}
@ -128,9 +176,9 @@ export class VariablesManager {
for (const [key, value] of this._variables.entries()) {
const variableObject = this.variableObjects.get(key);
if (variableObject === undefined) {
throw new Error('Unexpected variable "'+key+'" found has no associated variableObject.');
throw new Error('Unexpected variable "' + key + '" found has no associated variableObject.');
}
if (!variableObject.readableBy || tags.indexOf(variableObject.readableBy) !== -1) {
if (!variableObject.readableBy || tags.includes(variableObject.readableBy)) {
readableVariables.set(key, value);
}
}

13
back/tests/GameRoomTest.ts
View file

@ -37,7 +37,7 @@ function createJoinRoomMessage(uuid: string, x: number, y: number): JoinRoomMess
const emote: EmoteCallback = (emoteEventMessage, listener): void => {}
describe("GameRoom", () => {
it("should connect user1 and user2", () => {
it("should connect user1 and user2", async () => {
let connectCalledNumber: number = 0;
const connect: ConnectCallback = (user: User, group: Group): void => {
connectCalledNumber++;
@ -47,8 +47,7 @@ describe("GameRoom", () => {
}
const world = new GameRoom('_/global/test.json', connect, disconnect, 160, 160, () => {}, () => {}, () => {}, emote);
const world = await GameRoom.create('https://play.workadventu.re/_/global/localhost/test.json', connect, disconnect, 160, 160, () => {}, () => {}, () => {}, emote);
const user1 = world.join(createMockUserSocket(), createJoinRoomMessage('1', 100, 100));
@ -67,7 +66,7 @@ describe("GameRoom", () => {
expect(connectCalledNumber).toBe(2);
});
it("should connect 3 users", () => {
it("should connect 3 users", async () => {
let connectCalled: boolean = false;
const connect: ConnectCallback = (user: User, group: Group): void => {
connectCalled = true;
@ -76,7 +75,7 @@ describe("GameRoom", () => {
}
const world = new GameRoom('_/global/test.json', connect, disconnect, 160, 160, () => {}, () => {}, () => {}, emote);
const world = await GameRoom.create('https://play.workadventu.re/_/global/localhost/test.json', connect, disconnect, 160, 160, () => {}, () => {}, () => {}, emote);
const user1 = world.join(createMockUserSocket(), createJoinRoomMessage('1', 100, 100));
@ -95,7 +94,7 @@ describe("GameRoom", () => {
expect(connectCalled).toBe(true);
});
it("should disconnect user1 and user2", () => {
it("should disconnect user1 and user2", async () => {
let connectCalled: boolean = false;
let disconnectCallNumber: number = 0;
const connect: ConnectCallback = (user: User, group: Group): void => {
@ -105,7 +104,7 @@ describe("GameRoom", () => {
disconnectCallNumber++;
}
const world = new GameRoom('_/global/test.json', connect, disconnect, 160, 160, () => {}, () => {}, () => {}, emote);
const world = await GameRoom.create('https://play.workadventu.re/_/global/localhost/test.json', connect, disconnect, 160, 160, () => {}, () => {}, () => {}, emote);
const user1 = world.join(createMockUserSocket(), createJoinRoomMessage('1', 100, 100));

39
back/yarn.lock
View file

@ -122,6 +122,13 @@
resolved "https://registry.yarnpkg.com/@types/parse-json/-/parse-json-4.0.0.tgz#2f8bb441434d163b35fb8ffdccd7138927ffb8c0"
integrity sha512-//oorEZjL6sbPcKUaCdIGlIUeH26mgzimjBB77G6XRgnDl/L5wOnpyBGRe/Mmf5CVW3PwEBE1NjiMZ/ssFh4wA==
"@types/redis@^2.8.31":
version "2.8.31"
resolved "https://registry.yarnpkg.com/@types/redis/-/redis-2.8.31.tgz#c11c1b269fec132ac2ec9eb891edf72fc549149e"
integrity sha512-daWrrTDYaa5iSDFbgzZ9gOOzyp2AJmYK59OlG/2KGBgYWF3lfs8GDKm1c//tik5Uc93hDD36O+qLPvzDolChbA==
dependencies:
"@types/node" "*"
"@types/strip-bom@^3.0.0":
version "3.0.0"
resolved "https://registry.yarnpkg.com/@types/strip-bom/-/strip-bom-3.0.0.tgz#14a8ec3956c2e81edb7520790aecf21c290aebd2"
@ -804,6 +811,11 @@ delegates@^1.0.0:
resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
integrity sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=
denque@^1.5.0:
version "1.5.0"
resolved "https://registry.yarnpkg.com/denque/-/denque-1.5.0.tgz#773de0686ff2d8ec2ff92914316a47b73b1c73de"
integrity sha512-CYiCSgIF1p6EUByQPlGkKnP1M9g0ZV3qMIrqMqZqdwazygIA/YP2vrbcyl1h/WppKJTdl1F85cXIle+394iDAQ==
detect-libc@^1.0.2:
version "1.0.3"
resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
@ -2441,6 +2453,33 @@ redent@^1.0.0:
indent-string "^2.1.0"
strip-indent "^1.0.1"
redis-commands@^1.7.0:
version "1.7.0"
resolved "https://registry.yarnpkg.com/redis-commands/-/redis-commands-1.7.0.tgz#15a6fea2d58281e27b1cd1acfb4b293e278c3a89"
integrity sha512-nJWqw3bTFy21hX/CPKHth6sfhZbdiHP6bTawSgQBlKOVRG7EZkfHbbHwQJnrE4vsQf0CMNE+3gJ4Fmm16vdVlQ==
redis-errors@^1.0.0, redis-errors@^1.2.0:
version "1.2.0"
resolved "https://registry.yarnpkg.com/redis-errors/-/redis-errors-1.2.0.tgz#eb62d2adb15e4eaf4610c04afe1529384250abad"
integrity sha1-62LSrbFeTq9GEMBK/hUpOEJQq60=
redis-parser@^3.0.0:
version "3.0.0"
resolved "https://registry.yarnpkg.com/redis-parser/-/redis-parser-3.0.0.tgz#b66d828cdcafe6b4b8a428a7def4c6bcac31c8b4"
integrity sha1-tm2CjNyv5rS4pCin3vTGvKwxyLQ=
dependencies:
redis-errors "^1.0.0"
redis@^3.1.2:
version "3.1.2"
resolved "https://registry.yarnpkg.com/redis/-/redis-3.1.2.tgz#766851117e80653d23e0ed536254677ab647638c"
integrity sha512-grn5KoZLr/qrRQVwoSkmzdbw6pwF+/rwODtrOr6vuBRiR/f3rjSTGupbF90Zpqm2oenix8Do6RV7pYEkGwlKkw==
dependencies:
denque "^1.5.0"
redis-commands "^1.7.0"
redis-errors "^1.2.0"
redis-parser "^3.0.0"
regex-not@^1.0.0, regex-not@^1.0.2:
version "1.0.2"
resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"