Create new user

server/Auth.js

@@ -0,0 +1,37 @@
+import { randomBytes } from 'crypto'
+import jwt from 'jsonwebtoken'
+import db from './Database.js'
+
+export default {
+  async createAccount(name) {
+    console.log("Creating user");
+    if (db.userExists(name)) {
+      console.log("User exists");
+      return {
+        error: "The name alredy occupied"
+      }
+    }
+
+    const pass = randomBytes(16).toString('hex')
+    const token = jwt.sign({
+      name: name,
+      record: 0,
+      rank: 0
+    }, process.env.secret)
+
+    await db.addUser({
+      name,
+      pass,
+      record: 0,
+      rank: 0,
+    })
+
+    return {
+      name,
+      pass,
+      record: 0,
+      rank: 0,
+      token
+    }
+  }
+}

server/Database.js

@@ -0,0 +1,33 @@
+import { join, dirname } from 'path'
+import { Low, JSONFile } from 'lowdb'
+import { fileURLToPath } from 'url'
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+
+class Database {
+  constructor() {
+    const file = join(__dirname, 'storage', 'db.json')
+    const adapter = new JSONFile(file)
+    this.db = new Low(adapter)
+  }
+
+  async read() {
+    await this.db.read();
+    this.db.data = this.db.data || {
+      users: [],
+      records: []
+    }
+  }
+
+  userExists(name) {
+    return this.db.data.users.find(user => user.name == name) !== undefined
+  }
+
+  async addUser(user) {
+    this.db.data.users.push(user)
+    await this.db.write()
+    return user
+  }
+}
+
+export default new Database

server/package-lock.json

@@ -15,7 +15,8 @@
         "@babel/preset-env": "^7.15.6",
         "dotenv": "^10.0.0",
         "express": "^4.17.1",
-        "express-jwt": "^6.1.0"
+        "jsonwebtoken": "^8.5.1",
+        "lowdb": "^3.0.0"
       },
       "devDependencies": {
         "nodemon": "^2.0.13"
@@ -1766,11 +1767,6 @@
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
-    "node_modules/async": {
-      "version": "1.5.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
-      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
-    },
     "node_modules/babel-plugin-dynamic-import-node": {
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/babel-plugin-dynamic-import-node/-/babel-plugin-dynamic-import-node-2.3.3.tgz",
@@ -2521,25 +2517,6 @@
         "node": ">= 0.10.0"
       }
     },
-    "node_modules/express-jwt": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/express-jwt/-/express-jwt-6.1.0.tgz",
-      "integrity": "sha512-mmSR52Ps1FMeGwchroHzEJONWhsobd5KHVVKBffYiUEpZh9iK9wI9ZWkmzY5ROwWQtJLNGHV/VUMLh2M208s4Q==",
-      "dependencies": {
-        "async": "^1.5.0",
-        "express-unless": "^1.0.0",
-        "jsonwebtoken": "^8.1.0",
-        "lodash.set": "^4.0.0"
-      },
-      "engines": {
-        "node": ">= 8.0.0"
-      }
-    },
-    "node_modules/express-unless": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/express-unless/-/express-unless-1.0.0.tgz",
-      "integrity": "sha512-zXSSClWBPfcSYjg0hcQNompkFN/MxQQ53eyrzm9BYgik2ut2I7PxAf2foVqBRMYCwWaZx/aWodi+uk76npdSAw=="
-    },
     "node_modules/express/node_modules/debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -3424,10 +3401,19 @@
       "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
       "integrity": "sha1-DdOXEhPHxW34gJd9UEyI+0cal6w="
     },
-    "node_modules/lodash.set": {
+    "node_modules/lowdb": {
-      "version": "4.3.2",
+      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/lodash.set/-/lodash.set-4.3.2.tgz",
+      "resolved": "https://registry.npmjs.org/lowdb/-/lowdb-3.0.0.tgz",
-      "integrity": "sha1-2HV7HagH3eJIFrDWqEvqGnYjCyM="
+      "integrity": "sha512-9KZRulmIcU8fZuWiaM0d5e2/nPnrFyXkeXVpqT+MJS+vgbgOf1EbtvgQmba8HwUFgDl1oeZR6XqEJnkJmQdKmg==",
+      "dependencies": {
+        "steno": "^2.1.0"
+      },
+      "engines": {
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/typicode"
+      }
     },
     "node_modules/lowercase-keys": {
       "version": "1.0.1",
@@ -4266,6 +4252,17 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/steno": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/steno/-/steno-2.1.0.tgz",
+      "integrity": "sha512-mauOsiaqTNGFkWqIfwcm3y/fq+qKKaIWf1vf3ocOuTdco9XoHCO2AGF1gFYXuZFSWuP38Q8LBHBGJv2KnJSXyA==",
+      "engines": {
+        "node": "^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/typicode"
+      }
+    },
     "node_modules/string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
@@ -5853,11 +5850,6 @@
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
-    "async": {
-      "version": "1.5.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
-      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
-    },
     "babel-plugin-dynamic-import-node": {
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/babel-plugin-dynamic-import-node/-/babel-plugin-dynamic-import-node-2.3.3.tgz",
@@ -6458,22 +6450,6 @@
         }
       }
     },
-    "express-jwt": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/express-jwt/-/express-jwt-6.1.0.tgz",
-      "integrity": "sha512-mmSR52Ps1FMeGwchroHzEJONWhsobd5KHVVKBffYiUEpZh9iK9wI9ZWkmzY5ROwWQtJLNGHV/VUMLh2M208s4Q==",
-      "requires": {
-        "async": "^1.5.0",
-        "express-unless": "^1.0.0",
-        "jsonwebtoken": "^8.1.0",
-        "lodash.set": "^4.0.0"
-      }
-    },
-    "express-unless": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/express-unless/-/express-unless-1.0.0.tgz",
-      "integrity": "sha512-zXSSClWBPfcSYjg0hcQNompkFN/MxQQ53eyrzm9BYgik2ut2I7PxAf2foVqBRMYCwWaZx/aWodi+uk76npdSAw=="
-    },
     "fill-range": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
@@ -7110,10 +7086,13 @@
       "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
       "integrity": "sha1-DdOXEhPHxW34gJd9UEyI+0cal6w="
     },
-    "lodash.set": {
+    "lowdb": {
-      "version": "4.3.2",
+      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/lodash.set/-/lodash.set-4.3.2.tgz",
+      "resolved": "https://registry.npmjs.org/lowdb/-/lowdb-3.0.0.tgz",
-      "integrity": "sha1-2HV7HagH3eJIFrDWqEvqGnYjCyM="
+      "integrity": "sha512-9KZRulmIcU8fZuWiaM0d5e2/nPnrFyXkeXVpqT+MJS+vgbgOf1EbtvgQmba8HwUFgDl1oeZR6XqEJnkJmQdKmg==",
+      "requires": {
+        "steno": "^2.1.0"
+      }
     },
     "lowercase-keys": {
       "version": "1.0.1",
@@ -7753,6 +7732,11 @@
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
       "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
     },
+    "steno": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/steno/-/steno-2.1.0.tgz",
+      "integrity": "sha512-mauOsiaqTNGFkWqIfwcm3y/fq+qKKaIWf1vf3ocOuTdco9XoHCO2AGF1gFYXuZFSWuP38Q8LBHBGJv2KnJSXyA=="
+    },
     "string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",

server/package.json

@@ -4,19 +4,21 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "start": "nodemon --exec babel-node server.js"
+    "start": "nodemon --ignore ./storage/ --exec babel-node server.js"
   },
+  "type": "module",
   "keywords": [],
   "author": "Grzegorz Kupczyk",
   "license": "ISC",
   "dependencies": {
-    "dotenv": "^10.0.0",
-    "express": "^4.17.1",
-    "express-jwt": "^6.1.0",
     "@babel/cli": "^7.15.7",
     "@babel/core": "^7.15.5",
     "@babel/node": "^7.15.4",
-    "@babel/preset-env": "^7.15.6"
+    "@babel/preset-env": "^7.15.6",
+    "dotenv": "^10.0.0",
+    "express": "^4.17.1",
+    "jsonwebtoken": "^8.5.1",
+    "lowdb": "^3.0.0"
   },
   "devDependencies": {
     "nodemon": "^2.0.13"

server/server.js

@@ -1,11 +1,61 @@
-import express from 'express'
 import 'dotenv/config'
 
-const app = express()
+import express from 'express'
+import jwt from 'jsonwebtoken'
+import auth from './Auth.js'
+import db from './Database.js'
+
+const protect = (req, res, next) => {
+  const authHeader = req.headers.authorization;
+
+  if (!authHeader) {
+    res.sendStatus(401)
+  }
+
+  const token = authHeader.split(' ')[1];
+
+  jwt.verify(token, process.env.secret, (err, user) => {
+    if (err)
+      return res.sendStatus(403)
+
+    req.user = user
+    next()
+  })
+}
+
+const app = express()
+app.use(express.json())
+
+app.get("/", (_, res) => {
+  res.json({ message: "Hello! API here" })
 
-app.get("/", (req, res) => {
-    res.send("hello")
-    console.log(process.env.secret);
 });
 
+app.get("/secured", protect, (req, res) => {
+  res.json({ message: "You can see it!", payload: req.user })
+})
+
+app.post("/signup", async (req, res) => {
+  if (!req.body.name)
+    return res.status(400).json({
+      error: "missing argument name"
+    })
+
+  const info = await auth.createAccount(req.body.name)
+
+  if (info.error)
+    return res.status(400).json({
+      error: info.error
+    })
+
+  res.json(info)
+})
+
+app.use(function (err, req, res, next) {
+  if (err.name === 'UnauthorizedError') {
+    res.status(401).send('invalid token...');
+  }
+});
+
+await db.read()
 app.listen(3000)