fix: safer isUnauthorizedError type guard

fixes #342

It introduces several security fixes to follow best practices.

.github/workflows/build.yml

@@ -10,10 +10,10 @@ jobs:
   build:
     runs-on: 'ubuntu-latest'
     steps:
-      - uses: 'actions/checkout@v3.0.0'
+      - uses: 'actions/checkout@v3.5.0'
 
       - name: 'Use Node.js'
-        uses: 'actions/setup-node@v3.1.0'
+        uses: 'actions/setup-node@v3.6.0'
         with:
           node-version: 'lts/*'
           cache: 'npm'
@@ -23,3 +23,5 @@ jobs:
 
       - name: 'Build'
         run: 'npm run build'
+
+      - run: 'npm run build:typescript'

.github/workflows/lint.yml

@@ -10,10 +10,10 @@ jobs:
   lint:
     runs-on: 'ubuntu-latest'
     steps:
-      - uses: 'actions/checkout@v3.0.0'
+      - uses: 'actions/checkout@v3.5.0'
 
       - name: 'Use Node.js'
-        uses: 'actions/setup-node@v3.1.0'
+        uses: 'actions/setup-node@v3.6.0'
         with:
           node-version: 'lts/*'
           cache: 'npm'
@@ -24,5 +24,5 @@ jobs:
       - run: 'npm run lint:commit -- --to "${{ github.sha }}"'
       - run: 'npm run lint:editorconfig'
       - run: 'npm run lint:markdown'
-      - run: 'npm run lint:typescript'
+      - run: 'npm run lint:eslint'
       - run: 'npm run lint:prettier'

.github/workflows/release.yml

@@ -8,10 +8,10 @@ jobs:
   release:
     runs-on: 'ubuntu-latest'
     steps:
-      - uses: 'actions/checkout@v3.0.0'
+      - uses: 'actions/checkout@v3.5.0'
 
       - name: 'Use Node.js'
-        uses: 'actions/setup-node@v3.1.0'
+        uses: 'actions/setup-node@v3.6.0'
         with:
           node-version: 'lts/*'
           cache: 'npm'
@@ -22,6 +22,8 @@ jobs:
       - name: 'Build Package'
         run: 'npm run build'
 
+      - run: 'npm run build:typescript'
+
       - name: 'Release'
         run: 'npm run release'
         env:

.github/workflows/test.yml

@@ -10,10 +10,10 @@ jobs:
   test:
     runs-on: 'ubuntu-latest'
     steps:
-      - uses: 'actions/checkout@v3.0.0'
+      - uses: 'actions/checkout@v3.5.0'
 
       - name: 'Use Node.js'
-        uses: 'actions/setup-node@v3.1.0'
+        uses: 'actions/setup-node@v3.6.0'
         with:
           node-version: 'lts/*'
           cache: 'npm'

.husky/pre-commit

@@ -3,3 +3,4 @@
 
 npm run lint:staged
 npm run build
+npm run build:typescript

.markdownlint-cli2.jsonc

@@ -1,10 +1,5 @@
 {
-  "config": {
-    "default": true,
-    "MD013": false,
-    "MD033": false,
-    "MD041": false
-  },
   "globs": ["**/*.{md,mdx}"],
-  "ignores": ["**/node_modules"]
+  "ignores": ["**/node_modules"],
+  "customRules": ["markdownlint-rule-relative-links"]
 }

.markdownlint.json

@@ -0,0 +1,7 @@
+{
+  "default": true,
+  "relative-links": true,
+  "extends": "markdownlint/style/prettier",
+  "MD033": false,
+  "MD041": false
+}

README.md

@@ -132,7 +132,7 @@ io.on('connection', async (socket) => {
 
 ```ts
 import { io } from 'socket.io-client'
-import { isUnauthorizedError } from '@thream/socketio-jwt/UnauthorizedError.js'
+import { isUnauthorizedError } from '@thream/socketio-jwt/build/UnauthorizedError.js'
 
 // Require Bearer Token
 const socket = io('http://localhost:9000', {

package.json

@@ -31,12 +31,13 @@
   },
   "homepage": "https://github.com/Thream/socketio-jwt#readme",
   "scripts": {
-    "build": "rimraf ./build && swc ./src --out-dir ./build && tsc",
+    "build": "rimraf ./build && swc ./src --out-dir ./build",
     "build:dev": "swc ./src --out-dir ./build --watch",
+    "build:typescript": "tsc",
     "lint:commit": "commitlint",
     "lint:editorconfig": "editorconfig-checker",
     "lint:markdown": "markdownlint-cli2",
-    "lint:typescript": "eslint \"**/*.{js,jsx,ts,tsx}\" --ignore-path \".gitignore\"",
+    "lint:eslint": "eslint \"**/*.{js,jsx,ts,tsx}\" --ignore-path \".gitignore\"",
     "lint:prettier": "prettier \".\" --check --ignore-path \".gitignore\"",
     "lint:staged": "lint-staged",
     "test": "c8 tap",
@@ -49,39 +50,41 @@
     "socket.io": ">=3.0.0"
   },
   "dependencies": {
-    "jsonwebtoken": "8.5.1"
+    "jsonwebtoken": "9.0.0"
   },
   "devDependencies": {
-    "@commitlint/cli": "17.1.2",
-    "@commitlint/config-conventional": "17.1.0",
-    "@swc/cli": "0.1.57",
-    "@swc/core": "1.2.249",
-    "@types/jsonwebtoken": "8.5.9",
-    "@types/node": "18.7.16",
-    "@types/tap": "15.0.7",
-    "@typescript-eslint/eslint-plugin": "5.36.2",
-    "@typescript-eslint/parser": "5.36.2",
-    "axios": "0.27.2",
-    "c8": "7.12.0",
-    "editorconfig-checker": "4.0.2",
-    "eslint": "8.23.0",
-    "eslint-config-conventions": "4.0.0",
-    "eslint-config-prettier": "8.5.0",
-    "eslint-plugin-import": "2.26.0",
+    "@commitlint/cli": "17.5.1",
+    "@commitlint/config-conventional": "17.4.4",
+    "@swc/cli": "0.1.62",
+    "@swc/core": "1.3.44",
+    "@tsconfig/strictest": "2.0.0",
+    "@types/jsonwebtoken": "9.0.1",
+    "@types/node": "18.15.11",
+    "@types/tap": "15.0.8",
+    "@typescript-eslint/eslint-plugin": "5.57.0",
+    "@typescript-eslint/parser": "5.57.0",
+    "axios": "1.3.4",
+    "c8": "7.13.0",
+    "editorconfig-checker": "5.0.1",
+    "eslint": "8.37.0",
+    "eslint-config-conventions": "8.0.0",
+    "eslint-config-prettier": "8.8.0",
+    "eslint-plugin-import": "2.27.5",
     "eslint-plugin-prettier": "4.2.1",
-    "eslint-plugin-promise": "6.0.1",
-    "eslint-plugin-unicorn": "43.0.2",
-    "fastify": "4.5.3",
-    "husky": "8.0.1",
-    "lint-staged": "13.0.3",
-    "markdownlint-cli2": "0.5.1",
+    "eslint-plugin-promise": "6.1.1",
+    "eslint-plugin-unicorn": "46.0.0",
+    "fastify": "4.15.0",
+    "husky": "8.0.3",
+    "lint-staged": "13.2.0",
+    "markdownlint-cli2": "0.6.0",
+    "markdownlint-rule-relative-links": "1.1.2",
     "pinst": "3.0.0",
-    "prettier": "2.7.1",
-    "rimraf": "3.0.2",
-    "semantic-release": "19.0.5",
-    "socket.io": "4.5.2",
-    "socket.io-client": "4.5.2",
-    "tap": "16.3.0",
-    "typescript": "4.8.3"
+    "prettier": "2.8.7",
+    "rimraf": "4.4.1",
+    "semantic-release": "21.0.1",
+    "socket.io": "4.6.1",
+    "socket.io-client": "4.6.1",
+    "tap": "16.3.4",
+    "typescript": "5.0.3"
   }
 }

src/UnauthorizedError.ts

@@ -15,6 +15,11 @@ export class UnauthorizedError extends Error {
   }
 }
 
-export const isUnauthorizedError = (error: any): error is UnauthorizedError => {
-  return error.data.type === 'UnauthorizedError'
+export const isUnauthorizedError = (
+  error: unknown
+): error is UnauthorizedError => {
+  return (
+    error instanceof UnauthorizedError &&
+    error.data.type === 'UnauthorizedError'
+  )
 }

src/authorize.ts

@@ -62,7 +62,7 @@ export const authorize = (options: AuthorizeOptions): SocketIOMiddleware => {
     }
     socket.encodedToken = encodedToken
     let keySecret: string | null = null
-    let decodedToken: any
+    let decodedToken: any = null
     if (typeof secret === 'string') {
       keySecret = secret
     } else {

tsconfig.json

@@ -1,4 +1,5 @@
 {
+  "extends": "@tsconfig/strictest/tsconfig.json",
   "compilerOptions": {
     "target": "ESNext",
     "module": "ESNext",
@@ -7,9 +8,6 @@
     "outDir": "./build",
     "rootDir": "./src",
     "emitDeclarationOnly": true,
-    "declaration": true,
-    "strict": true,
-    "skipLibCheck": true,
-    "esModuleInterop": true
+    "declaration": true
   }
 }