add db base

This commit is contained in:
Holly Stubbs 2024-04-21 15:35:47 +01:00
parent c895312f7a
commit 8f00e688e0
Signed by: tgpholly
GPG key ID: B8583C4B7D18119E
9 changed files with 352 additions and 33 deletions

View file

@ -0,0 +1,10 @@
{
"port": 38195,
"database": {
"address": "localhost",
"port": 3306,
"username": "user",
"password": "password",
"name": "MultiProbe"
}
}

View file

@ -2,16 +2,19 @@ import { createReader, createWriter, Endian } from "bufferstuff";
import { WebSocketServer } from "ws";
import Config from "./objects/Config";
import FunkyArray from "./objects/FunkyArray";
import User from "./objects/User";
import RemoteUser from "./objects/RemoteUser";
import { MessageType } from "./enums/MessageType";
import Database from "./objects/Database";
const users = new FunkyArray<string, User>();
const users = new FunkyArray<string, RemoteUser>();
new Database(Config.database.address, Config.database.port, Config.database.username, Config.database.password, Config.database.name);
const server = new WebSocketServer({
port: Config.port
}, () => console.log(`Server listening at ${Config.port}`));
function sendToAllButSelf(user:User, data:Buffer) {
function sendToAllButSelf(user:RemoteUser, data:Buffer) {
users.forEach(otherUser => {
if (otherUser.id !== user.id && otherUser.currentURL === user.currentURL) {
otherUser.send(data);
@ -19,7 +22,7 @@ function sendToAllButSelf(user:User, data:Buffer) {
});
}
function sendToAll(user:User, data:Buffer) {
function sendToAll(user:RemoteUser, data:Buffer) {
users.forEach(otherUser => {
if (otherUser.currentURL === user.currentURL) {
otherUser.send(data);
@ -29,7 +32,7 @@ function sendToAll(user:User, data:Buffer) {
server.on("connection", (socket) => {
const myUUID = crypto.randomUUID();
let user:User;
let user:RemoteUser;
function closeOrError() {
if (users.has(myUUID)) {
@ -60,7 +63,7 @@ server.on("connection", (socket) => {
page = "";
}
let lengthOfUsernames = 0;
const usersOnPage = new Array<User>();
const usersOnPage = new Array<RemoteUser>();
await users.forEach(otherUser => {
if (otherUser.currentURL === page) {
usersOnPage.push(otherUser);
@ -71,7 +74,7 @@ server.on("connection", (socket) => {
for (const otherUser of usersOnPage) {
usersToSend.writeUInt(otherUser.id).writeShortString(otherUser.username).writeFloat(otherUser.cursorX).writeInt(otherUser.cursorY);
}
user = users.set(myUUID, new User(socket, username, page, rawURL));
user = users.set(myUUID, new RemoteUser(socket, username, page, rawURL));
sendToAllButSelf(user, createWriter(Endian.LE, 6 + username.length).writeByte(MessageType.ClientJoined).writeUInt(user.id).writeShortString(username).toBuffer());
user.send(usersToSend.toBuffer());
break;

View file

@ -5,5 +5,15 @@ const config = JSON.parse(readFileSync("./config.json").toString());
export default class Config {
public constructor() { throw new Error("Static Class"); }
public static port:number = config.port;
public static port:number = config.port;
public static database:ConfigDatabase = config.database;
}
interface ConfigDatabase {
address: string,
port: number,
username: string,
password: string,
name: string
}

101
server/objects/Database.ts Normal file
View file

@ -0,0 +1,101 @@
import { createPool, Pool, RowDataPacket } from "mysql2";
export type DBInDataType = string | number | null | undefined;
export default class Database {
private connectionPool:Pool;
private static readonly CONNECTION_LIMIT = 128;
public connected:boolean = false;
public static Instance:Database;
public constructor(databaseAddress:string, databasePort:number = 3306, databaseUsername:string, databasePassword:string, databaseName:string) {
this.connectionPool = createPool({
connectionLimit: Database.CONNECTION_LIMIT,
host: databaseAddress,
port: databasePort,
user: databaseUsername,
password: databasePassword,
database: databaseName
});
console.log(`DB connection pool created. MAX_CONNECTIONS = ${Database.CONNECTION_LIMIT}`);
Database.Instance = this;
}
public execute(query:string, data?:Array<DBInDataType>) {
return new Promise<boolean>((resolve, reject) => {
this.connectionPool.getConnection((err, connection) => {
if (err) {
return reject(err);
}
if (data == null) {
connection.execute(query, (err, result) => {
if (err) {
connection.release();
return reject(err);
}
resolve(result !== undefined);
});
} else {
connection.execute(query, data, (err, result) => {
if (err) {
connection.release();
return reject(err);
}
resolve(result !== undefined);
});
}
});
});
}
public query(query:string, data?:Array<DBInDataType>) {
return new Promise<RowDataPacket[]>((resolve, reject) => {
this.connectionPool.getConnection((err, connection) => {
if (err) {
return reject(err);
} else {
// Use old query
if (data == null) {
connection.query<RowDataPacket[]>(query, (err, rows) => {
connection.release();
if (err) {
return reject(err);
}
resolve(rows);
connection.release();
});
}
// Use new prepared statements w/ placeholders
else {
connection.execute<RowDataPacket[]>(query, data, (err, rows) => {
connection.release();
if (err) {
return reject(err);
}
resolve(rows);
connection.release();
});
}
}
});
});
}
public async querySingle(query:string, data?:Array<DBInDataType>) {
const dbData = await this.query(query, data);
if (dbData != null && dbData.length > 0) {
return dbData[0];
}
return null;
}
}

View file

@ -0,0 +1,29 @@
import { WebSocket } from "ws";
export default class RemoteUser {
private static USER_IDS = 0;
private readonly socket:WebSocket;
public readonly id:number;
public readonly username:string;
public readonly currentURL:string;
public readonly rawURL:string = "";
public cursorX:number = 0;
public cursorY:number = 0;
public allowedPings:number;
public lastPingReset:number;
constructor(socket:WebSocket, username:string, currentURL:string, rawURL:string) {
this.socket = socket;
this.id = RemoteUser.USER_IDS++;
this.username = username;
this.currentURL = currentURL;
this.rawURL = rawURL;
this.allowedPings = 10;
this.lastPingReset = Date.now();
}
send(data:Buffer) {
this.socket.send(data);
}
}

View file

@ -1,29 +1,41 @@
import { WebSocket } from "ws";
export default class User {
private static USER_IDS = 0;
public Id:number;
public Username:string;
public PasswordSalt:string;
public PasswordHash:string;
public CreatedByUserId:number;
public CreatedDatetime:Date;
public LastModifiedByUserId:number;
public LastModifiedDatetime:Date;
public DeletedByUserId:number;
public DeletedDatetime:Date;
public IsDeleted:boolean;
private readonly socket:WebSocket;
public readonly id:number;
public readonly username:string;
public readonly currentURL:string;
public readonly rawURL:string = "";
public cursorX:number = 0;
public cursorY:number = 0;
public allowedPings:number;
public lastPingReset:number;
constructor(socket:WebSocket, username:string, currentURL:string, rawURL:string) {
this.socket = socket;
this.id = User.USER_IDS++;
this.username = username;
this.currentURL = currentURL;
this.rawURL = rawURL;
this.allowedPings = 10;
this.lastPingReset = Date.now();
}
send(data:Buffer) {
this.socket.send(data);
public constructor(id?:number, username?:string, passwordSalt?:string, passwordHash?:string, createdByUserId?:number, createdDateTime?:Date, lastModifiedByUserId?:number, lastModifiedDatetime?:Date, deletedByUserId?:number, deletedDatetime?:Date, isDeleted?:boolean) {
if (typeof(id) == "number" && typeof(username) == "string" && typeof(passwordHash) == "string" && typeof(passwordSalt) == "string" && typeof(createdByUserId) == "number" && createdDateTime instanceof Date && typeof(lastModifiedByUserId) == "number" && lastModifiedDatetime instanceof Date && typeof(deletedByUserId) == "number" && deletedDatetime instanceof Date && typeof(isDeleted) == "boolean") {
this.Id = id;
this.Username = username;
this.PasswordHash = passwordHash;
this.PasswordSalt = passwordSalt;
this.CreatedByUserId = createdByUserId;
this.CreatedDatetime = createdDateTime;
this.LastModifiedByUserId = lastModifiedByUserId;
this.LastModifiedDatetime = lastModifiedDatetime;
this.DeletedByUserId = deletedByUserId;
this.DeletedDatetime = deletedDatetime;
this.IsDeleted = isDeleted;
} else {
this.Id = Number.MIN_VALUE;
this.Username = "";
this.PasswordHash = "";
this.PasswordSalt = "";
this.CreatedByUserId = Number.MIN_VALUE;
this.CreatedDatetime = new Date(0);
this.LastModifiedByUserId = Number.MIN_VALUE;
this.LastModifiedDatetime = new Date(0);
this.DeletedByUserId = Number.MIN_VALUE;
this.DeletedDatetime = new Date(0);
this.IsDeleted = false;
}
}
}

101
server/package-lock.json generated
View file

@ -10,6 +10,7 @@
"license": "MIT",
"dependencies": {
"bufferstuff": "^1.5.1",
"mysql2": "^3.9.7",
"ws": "^8.16.0"
},
"devDependencies": {
@ -539,6 +540,14 @@
"url": "https://github.com/sponsors/ljharb"
}
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@ -761,6 +770,14 @@
"url": "https://github.com/sponsors/ljharb"
}
},
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@ -929,6 +946,17 @@
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"dev": true
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@ -1122,6 +1150,11 @@
"url": "https://github.com/sponsors/ljharb"
}
},
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@ -1243,6 +1276,11 @@
"node": ">=4"
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@ -1282,6 +1320,51 @@
"node": "*"
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"generate-function": "^2.3.1",
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"long": "^5.2.1",
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"named-placeholders": "^1.1.3",
"seq-queue": "^0.0.5",
"sqlstring": "^2.3.2"
},
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@ -1629,6 +1712,11 @@
"url": "https://github.com/sponsors/ljharb"
}
},
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@ -1644,6 +1732,11 @@
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@ -1787,6 +1880,14 @@
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"dev": true
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"version": "3.1.6",
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View file

@ -16,6 +16,7 @@
"license": "MIT",
"dependencies": {
"bufferstuff": "^1.5.1",
"mysql2": "^3.9.7",
"ws": "^8.16.0"
},
"devDependencies": {

52
server/repos/UserRepo.ts Normal file
View file

@ -0,0 +1,52 @@
import Database from "../objects/Database";
import User from "../objects/User";
export default class UsersRepo {
public static async selectById(id:number) {
const dbUser = await Database.Instance.query("SELECT * FROM User WHERE Id = ? LIMIT 1", [id]);
if (dbUser == null || dbUser.length === 0) {
return null;
} else {
const user = new User();
populateUserFromDB(user, dbUser[0]);
return user;
}
}
public static async selectByUsername(username:string) {
const dbUser = await Database.Instance.query("SELECT * FROM User WHERE Username = ? LIMIT 1", [username]);
if (dbUser == null || dbUser.length === 0) {
return null;
} else {
const user = new User();
populateUserFromDB(user, dbUser[0]);
return user;
}
}
public static async insertUpdate(user:User) {
if (user.Id === Number.MIN_VALUE) {
await Database.Instance.query("INSERT users (Username, PasswordHash, PasswordSalt, CreatedByUserId, CreatedDatetime, LastModifiedByUserId, LastModifiedDatetime, DeletedByUserId, DeletedDatetime, IsDeleted) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)", [
user.Username, user.PasswordHash, user.PasswordSalt, user.CreatedByUserId, user.CreatedDatetime.getTime(), user.LastModifiedByUserId, user.LastModifiedDatetime.getTime(), user.DeletedByUserId, user.DeletedDatetime.getTime(), Number(user.IsDeleted)
]);
} else {
await Database.Instance.query(`UPDATE users SET Username = ?, PasswordHash = ?, PasswordSalt = ?, CreatedByUserId = ?, CreatedDatetime = ?, LastModifiedByUserId = ?, LastModifiedDatetime = ?, DeletedByUserId = ?, DeletedDatetime = ?, IsDeleted = ?, WHERE Id = ?`, [
user.Username, user.PasswordHash, user.PasswordSalt, user.CreatedByUserId, user.CreatedDatetime.getTime(), user.LastModifiedByUserId, user.LastModifiedDatetime.getTime(), user.DeletedByUserId, user.DeletedDatetime.getTime(), Number(user.IsDeleted), user.Id
]);
}
}
}
function populateUserFromDB(user:User, dbUser:any) {
user.Id = dbUser.Id;
user.Username = dbUser.Username;
user.PasswordHash = dbUser.PasswordHash;
user.PasswordSalt = dbUser.PasswordSalt;
user.CreatedByUserId = dbUser.CreatedByUserId;
user.CreatedDatetime = dbUser.CreatedDatetime;
user.LastModifiedByUserId = dbUser.LastModifiedByUserId;
user.LastModifiedDatetime = dbUser.LastModifiedDatetime;
user.DeletedByUserId = dbUser.DeletedByUserId;
user.DeletedDatetime = dbUser.DeletedDatetime;
user.IsDeleted = dbUser.IsDeleted;
}