Testing next.js

10 files changed, 1715 insertions, 0 deletions

diff --git a/back/nodemon.json b/back/nodemon.json
new file mode 100644
index 0000000..b1c9f13
--- /dev/null
+++ b/back/nodemon.json
@@ -0,0 +1,5 @@
+{
+	"ext": "js, ts, json",
+	"exec": "npm run dev2 || exit 1",
+	"ignore": ["dist/*"]
+}
diff --git a/back/package-lock.json b/back/package-lock.json
new file mode 100644
index 0000000..6bdbca5
--- /dev/null
+++ b/back/package-lock.json
@@ -0,0 +1,1199 @@
+{
+  "name": "big2-back",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
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+      }
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+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
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+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.28.tgz",
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+      "dev": true,
+      "requires": {
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+        "@types/node": "*",
+        "@types/socket.io-parser": "*"
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+        "is-typedarray": "^1.0.0",
+        "signal-exit": "^3.0.2",
+        "typedarray-to-buffer": "^3.1.5"
+      }
+    },
+    "ws": {
+      "version": "7.4.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.3.tgz",
+      "integrity": "sha512-hr6vCR76GsossIRsr8OLR9acVVm1jyfEWvhbNjtgPOrfvAlKzvyeg/P6r8RuDjRyrcQoPQT7K0DGEPc7Ae6jzA=="
+    },
+    "xdg-basedir": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-4.0.0.tgz",
+      "integrity": "sha512-PSNhEJDejZYV7h50BohL09Er9VaIefr2LMAf3OEmpCkjOi34eYyQYAXUTjEQtZJTKcF0E2UKTh+osDLsgNim9Q==",
+      "dev": true
+    }
+  }
+}
diff --git a/back/package.json b/back/package.json
new file mode 100644
index 0000000..e9fb767
--- /dev/null
+++ b/back/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "big2-back",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "node dist/index.js",
+    "build": "tsc",
+    "dev": "nodemon",
+    "dev2": "npm run build && npm start",
+    "preinstall": "cd ../core && npm i && npm run build"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "big2-core": "file:../core",
+    "dotenv": "^8.2.0",
+    "socket.io": "^3.1.1"
+  },
+  "devDependencies": {
+    "@types/node": "^14.14.28",
+    "@types/socket.io": "^2.1.13",
+    "nodemon": "^2.0.7",
+    "typescript": "^4.1.5"
+  }
+}
diff --git a/back/src/Client.ts b/back/src/Client.ts
new file mode 100644
index 0000000..58c8a1b
--- /dev/null
+++ b/back/src/Client.ts
@@ -0,0 +1,56 @@
+import {Socket} from 'socket.io';
+
+import Room from './Room';
+
+export const clients = new Map();
+export const usernameToId = new Map();
+
+let newClientId = 0;
+
+export default class Client {
+	id: number;
+	username: string;
+	socket: Socket;
+	disconnectTimeout: NodeJS.Timeout | null = null;
+	room: Room | null = null;
+	onListeners = new Map();
+	onceListeners = new Map();
+	constructor(username: string, socket: Socket) {
+		this.id = newClientId++;
+		this.username = username;
+		this.socket = socket;
+	}
+	on(e: string, f: (...args: any[]) => void) {
+		if (!this.onListeners.has(e))
+			this.onListeners.set(e, []);
+		this.onListeners.get(e).push(f);
+		this.socket.on(e, f);
+	}
+	once(e: string, f: (...args: any[]) => void) {
+		if (!this.onceListeners.has(e))
+			this.onceListeners.set(e, []);
+		this.onceListeners.get(e).push(f);
+		this.socket.once(e, (...args) => {
+			this.onceListeners.get(e).splice(this.onceListeners.get(e).indexOf(f), 1);
+			f(...args);
+		});
+	}
+	removeAllListeners(e: string) {
+		this.socket.removeAllListeners(e);
+		this.onListeners.delete(e);
+		this.onceListeners.delete(e);
+	}
+	updateSocket(socket: Socket) {
+		this.socket = socket;
+		// Add listeners
+		this.onListeners.forEach((fs, e) => fs.forEach((f: (...args: any[]) => void) => socket.on(e, f)));
+		this.onceListeners.forEach((fs, e) => fs.forEach((f: (...args: any[]) => void) => {
+			socket.once(e, (...args) => {
+				this.onceListeners.get(e).splice(this.onceListeners.get(e).indexOf(f), 1);
+				f(...args);
+			});
+		}));
+		if (this.room)
+			this.room.updateSocket(this);
+	}
+}
diff --git a/back/src/Game.ts b/back/src/Game.ts
new file mode 100644
index 0000000..4d13070
--- /dev/null
+++ b/back/src/Game.ts
@@ -0,0 +1,169 @@
+import {canPlay, Card, cmpCard, Suit} from 'big2-core';
+
+import Client from './Client';
+import logSocket from './logSocket';
+import Room from './Room';
+import server from './server';
+
+class Player {
+	game: Game;
+	client: Client;
+	cards: Card[] = [];
+	disconnected = false;
+	disconnectListener?: () => void;
+	rank = 0;
+	passed = false;
+	constructor(game: Game, client: Client) {
+		this.game = game;
+		this.client = client;
+	}
+	sendGameState() {
+		this.cards.sort(cmpCard);
+		const i = this.game.players.indexOf(this);
+		const otherPlayers = [];
+		for (let j = 1; j < this.game.players.length; ++j)
+			otherPlayers.push(this.game.players[(i + j) % this.game.players.length]);
+		this.client.socket.emit('gameState', {
+			cards: this.cards,
+			rank: this.rank,
+			passed: this.passed,
+			players: otherPlayers.map((p: Player) => ({
+				username: p.client.username,
+				numCards: p.cards.length,
+				rank: p.rank,
+				passed: p.passed
+			})),
+			lastPlayed: this.game.lastPlayed,
+			lastPlayedPlayer: this.game.lastPlayedPlayer < 0 ? null : this.game.players[this.game.lastPlayedPlayer].client.username,
+			playerTurn: this.game.players[this.game.playerTurn].client.username
+		});
+	}
+}
+
+export default class Game {
+	room: Room;
+	players: Player[] = [];
+	lastPlayed: Card[] | null = null;
+	lastPlayedPlayer = -1;
+	playerTurn = 0;
+	playersFinished = 0;
+	constructor(room: Room) {
+		this.room = room;
+		this.start();
+	}
+	async start() {
+		const cards = [];
+		for (let i = 1; i <= 13; ++i)
+			for (let j = 0; j < 4; ++j)
+				cards.push({rank: i, suit: j});
+		for (let i = 0; i < 52; ++i) {
+			const j = Math.floor(Math.random() * (i+1));
+			[cards[i], cards[j]] = [cards[j], cards[i]];
+		}
+		const handSize = Math.floor(52 / this.room.clients.length);
+		for (let i = 0; i < this.room.clients.length; ++i) {
+			this.players.push(new Player(this, this.room.clients[i]));
+			this.players[i].cards = cards.slice(i * handSize, (i + 1) * handSize);
+		}
+		const startingPlayer = this.players.find((p: Player) => p.cards.some(
+			(card: Card) => card.rank === 3 && card.suit === Suit.Clubs
+		)) || this.players[0];
+		if (this.room.clients.length === 3)
+			 startingPlayer.cards.push(cards[51]);
+		this.playerTurn = this.players.indexOf(startingPlayer);
+		while (true) {
+			// Check if game ended
+			const playersLeft: Player[] = [];
+			this.players.forEach((p: Player) => {
+				if (!p.rank && !p.disconnected)
+					playersLeft.push(p);
+			});
+			if (playersLeft.length < 2) {
+				if (playersLeft.length === 1)
+					playersLeft[0].rank = ++this.playersFinished;
+				break;
+			}
+			await this.round();
+		}
+		this.broadcastGameState();
+		setTimeout(() => {
+			server.to(this.room.name).emit('endGame');
+			this.room.host.once('startGame', () => this.room.startGame());
+			this.room.game = null;
+		}, 5000);
+	}
+	broadcastGameState() {
+		this.players.forEach((p: Player) => p.sendGameState());
+	}
+	async round() {
+		while (true) {
+			// Everyone passes
+			if (this.playerTurn === this.lastPlayedPlayer) break;
+			const p = this.players[this.playerTurn];
+			// Guy passes
+			if (p.rank || p.disconnected || p.passed) {
+				this.playerTurn = (this.playerTurn + 1) % this.players.length;
+				continue;
+			}
+			await this.turn();
+			this.playerTurn = (this.playerTurn + 1) % this.players.length;
+			// Check if person ends
+			if (p.rank)
+				break;
+		}
+		this.lastPlayed = null;
+		this.lastPlayedPlayer = -1;
+		this.players.forEach((p: Player) => p.passed = false);
+	}
+	async turn() {
+		const p = this.players[this.playerTurn];
+		if (p.passed) return;
+		this.broadcastGameState();
+		await new Promise<void>(resolve => {
+			p.client.once('turn', cards => {
+				delete p.disconnectListener;
+				(() => {
+					// Pass
+					if (cards === null) {
+						p.passed = true;
+						return;
+					}
+					// Play
+					if (cards && Array.isArray(cards) && cards.every((a: Card) => a && p.cards.some((b: Card) => !cmpCard(a, b))) && canPlay(this.lastPlayed, cards)) {
+						// Cards have to be ascending
+						let ok = true;
+						for (let i = 0; i + 1 < cards.length; ++i)
+							ok = ok && cmpCard(cards[i], cards[i + 1]) < 0;
+						if (ok) {
+							// Remove cards
+							p.cards = p.cards.filter((a: Card) => !cards.some((b: Card) => !cmpCard(a, b)));
+							// Check if won
+							if (!p.cards.length)
+								p.rank = ++this.playersFinished;
+							this.lastPlayed = cards;
+							this.lastPlayedPlayer = this.playerTurn;
+							return;
+						}
+					}
+					p.client.socket.disconnect();
+					logSocket(p.client.socket, 'Bad cards argument on turn');
+				})();
+				resolve();
+			});
+			p.disconnectListener = () => {
+				delete p.disconnectListener;
+				p.client.removeAllListeners('turn');
+				resolve();
+			};
+		});
+	}
+	updateSocket(client: Client) {
+		this.players.find((p: Player) => p.client === client)!.sendGameState();
+	}
+	remove(client: Client) {
+		const p = this.players.find((p: Player) => p.client === client)!;
+		p.disconnected = true;
+		if (p.disconnectListener)
+			p.disconnectListener();
+	}
+};
diff --git a/back/src/Room.ts b/back/src/Room.ts
new file mode 100644
index 0000000..07a5a38
--- /dev/null
+++ b/back/src/Room.ts
@@ -0,0 +1,74 @@
+import Client from './Client';
+import Game from './Game';
+import logSocket from './logSocket';
+import server from './server';
+
+export default class Room {
+	static rooms = new Map();
+	static get(name: string) {
+		return this.rooms.get(name);
+	}
+	name: string;
+	password: string;
+	clients: Client[] = [];
+	host: Client;
+	game: Game | null = null;
+	constructor(name: string, password: string, host: Client) {
+		this.name = name;
+		this.password = password;
+		this.host = host;
+		this.add(host);
+		host.once('startGame', () => this.startGame());
+		Room.rooms.set(name, this);
+	}
+	add(client: Client) {
+		this.clients.push(client);
+		client.room = this;
+		server.to(this.name).emit('roomUpdate', {
+			users: this.clients.map((client: Client) => client.username),
+			host: this.host.username
+		});
+		client.once('leaveRoom', () => this.remove(client));
+		this.updateSocket(client);
+	}
+	updateSocket(client: Client) {
+		client.socket.join(this.name);
+		client.socket.emit('joinRoom', {name: this.name});
+		client.socket.emit('roomUpdate', {
+			users: this.clients.map((client: Client) => client.username),
+			host: this.host.username
+		});
+		if (this.game)
+			this.game.updateSocket(client);
+	}
+	remove(client: Client) {
+		this.clients.splice(this.clients.indexOf(client), 1);
+		client.room = null;
+		client.socket.leave(this.name);
+		client.socket.emit('leaveRoom');
+		if (!this.clients.length) {
+			Room.rooms.delete(this.name);
+			return;
+		}
+		if (this.host === client) {
+			this.host.removeAllListeners('startGame');
+			this.host = this.clients[0];
+			if (!this.game)
+				this.host.once('startGame', () => this.startGame());
+		}
+		server.to(this.name).emit('roomUpdate', {
+			users: this.clients.map((client: Client) => client.username),
+			host: this.host.username
+		});
+		if (this.game)
+			this.game.remove(client);
+	}
+	startGame() {
+		if (this.clients.length < 3) {
+			this.host.socket.disconnect();
+			logSocket(this.host.socket, 'Not enough users for startGame');
+			return;
+		}
+		this.game = new Game(this);
+	}
+};
diff --git a/back/src/index.ts b/back/src/index.ts
new file mode 100644
index 0000000..6938cea
--- /dev/null
+++ b/back/src/index.ts
@@ -0,0 +1,155 @@
+import dotenv from 'dotenv';
+import {Socket} from 'socket.io';
+
+dotenv.config();
+
+import Client, {clients, usernameToId} from './Client';
+import logSocket from './logSocket';
+import Room from './Room';
+import server from './server';
+
+server.on('connection', (socket: Socket) => {
+	logSocket(socket, 'Connect');
+	let client: Client | null = null;
+
+	socket.on('login', username => {
+		logSocket(socket, `Login as ${username}`);
+		// Shouldn't login again???
+		if (client) {
+			socket.disconnect();
+			logSocket(socket, 'Already logged in');
+			return;
+		}
+		// Bad username argument
+		if (typeof username !== 'string' || username.length < 1 || username.length > 15) {
+			socket.disconnect();
+			logSocket(socket, 'Bad username argument on login');
+			return;
+		}
+		// Character filter
+		if (!username.match(/^[0-9a-zA-Z]+$/)) {
+			socket.emit('loginRes', {success: false, error: 'Username can only consist of alphanumeric characters'});
+			return;
+		}
+		if (usernameToId.has(username)) {
+			const client2 = clients.get(usernameToId.get(username)) as Client;
+			if(client2.socket.connected || client2.socket.handshake.address !== socket.handshake.address) {
+				socket.emit('loginRes', {success: false, error: 'Username taken'});
+				logSocket(socket, 'Username taken');
+				return;
+			}
+			client = client2;
+			clearTimeout(client.disconnectTimeout!);
+			// client.socket = socket;
+			client.updateSocket(socket);
+			socket.emit('loginRes', {success: true});
+			// if (client.room)
+				// client.room.updateSocket(client);
+			logSocket(socket, 'Reconnect login successful');
+		} else {
+			client = new Client(username, socket);
+			clients.set(client.id, client);
+			usernameToId.set(username, client.id);
+			socket.emit('loginRes', {success: true});
+			logSocket(socket, 'Login successful');
+
+			client.on('joinRoom', (name, password) => {
+				client = client as Client;
+				// Bad name argument
+				if (typeof name !== 'string' || name.length < 1 || name.length > 15) {
+					socket.disconnect();
+					logSocket(socket, 'Bad name argument on joinRoom');
+					return;
+				}
+				// Bad password argument
+				if (typeof password !== 'string' || password.length > 15) {
+					socket.disconnect();
+					logSocket(socket, 'Bad password argument on joinRoom');
+					return;
+				}
+				// Character filter
+				if (!name.match(/^[0-9a-zA-Z ]+$/)) {
+					socket.emit('joinRoomRes', {success: false, error: 'Room name can only consist of alphanumeric characters and spaces'});
+					return;
+				}
+				// Make sure not in room
+				if (client.room) {
+					socket.disconnect();
+					logSocket(socket, 'Already in room on joinRoom');
+					return;
+				}
+				// Make sure room exists
+				if (!Room.get(name)) {
+					socket.emit('joinRoomRes', {success: false, error: `Room "${name}" does not exist`});
+					return;
+				}
+				const room = Room.get(name);
+				// Make sure password is correct
+				if (password !== room.password) {
+					socket.emit('joinRoomRes', {success: false, error: 'Password is incorrect'});
+					return;
+				}
+				// Make sure game has not yet started
+				if (room.game) {
+					socket.emit('joinRoomRes', {success: false, error: 'The game has already started'});
+					return;
+				}
+				// Make sure room has space
+				if (room.clients.length > 3) {
+					socket.emit('joinRoomRes', {success: false, error: 'Room does not have enough space'});
+					return;
+				}
+				// Success
+				socket.emit('joinRoomRes', {success: true});
+				room.add(client);
+			});
+
+			client.on('createRoom', (name, password) => {
+				client = client as Client;
+				// Bad name argument
+				if (typeof name !== 'string' || name.length < 1 || name.length > 15) {
+					socket.disconnect();
+					logSocket(socket, 'Bad name argument on createRoom');
+					return;
+				}
+				// Bad password argument
+				if (typeof password !== 'string' || password.length > 15) {
+					socket.disconnect();
+					logSocket(socket, 'Bad password argument on createRoom');
+					return;
+				}
+				// Character filter
+				if (!name.match(/^[0-9a-zA-Z ]+$/)) {
+					socket.emit('createRoomRes', {success: false, error: 'Room name can only consist of alphanumeric characters and spaces'});
+					return;
+				}
+				// Make sure not in room
+				if (client.room) {
+					socket.disconnect();
+					logSocket(socket, 'Already in room on createRoom');
+					return;
+				}
+				// Make sure room does not exist
+				if (Room.get(name)) {
+					socket.emit('createRoomRes', {success: false, error: `Room "${name}" already exists`});
+					return;
+				}
+				// Success
+				socket.emit('createRoomRes', {success: true});
+				new Room(name, password, client);
+			});
+		}
+	});
+
+	socket.on('disconnect', () => {
+		logSocket(socket, 'Disconnect');
+		if (!client) return;
+		client.disconnectTimeout = setTimeout(() => {
+			client = client as Client;
+			if (client.room) client.room.remove(client);
+			logSocket(socket, 'Full disconnect');
+			clients.delete(client.id);
+			usernameToId.delete(client.username);
+		}, 60000);
+	});
+});
diff --git a/back/src/logSocket.ts b/back/src/logSocket.ts
new file mode 100644
index 0000000..43b5c5a
--- /dev/null
+++ b/back/src/logSocket.ts
@@ -0,0 +1,5 @@
+import {Socket} from 'socket.io';
+
+export default (socket: Socket, s: string) => {
+	console.log(`[${socket.id}, ${socket.handshake.address}] ${s}`);
+};
diff --git a/back/src/server.ts b/back/src/server.ts
new file mode 100644
index 0000000..6c040ae
--- /dev/null
+++ b/back/src/server.ts
@@ -0,0 +1,15 @@
+import fs from 'fs';
+import http from 'http';
+import https from 'https';
+import {Server} from 'socket.io';
+
+const base = process.env.SSL_KEY && process.env.SSL_CERT && process.env.SSL_CA ? https.createServer({
+	"key": fs.readFileSync(process.env.SSL_KEY),
+  "cert": fs.readFileSync(process.env.SSL_CERT),
+  "ca": fs.readFileSync(process.env.SSL_CA)
+}) : http.createServer();
+base.listen(+process.env.PORT!, () => {
+	console.log(`Listening on port ${process.env.PORT}`);
+});
+
+export default new Server(base, {cors: {origin: process.env.ORIGIN, methods: ['GET', 'POST']}});
diff --git a/back/tsconfig.json b/back/tsconfig.json
new file mode 100644
index 0000000..8e44465
--- /dev/null
+++ b/back/tsconfig.json
@@ -0,0 +1,11 @@
+{
+	"compilerOptions": {
+		"target": "es5",
+		"module": "commonjs",
+		"outDir": "dist",
+		"strict": true,
+		"esModuleInterop": true,
+		"skipLibCheck": true,
+		"forceConsistentCasingInFileNames": true
+	}
+}