2.4.4

.github/workflows/test.yml

@@ -0,0 +1,21 @@
+name: Test
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: latest
+          registry-url: https://registry.npmjs.org/
+      - name: Install dependencies
+        run: npm ci
+      - name: Run tests
+        run: npm test

.npmignore

@@ -1,7 +1,9 @@
-.github/
-src/
 .editorconfig
-index.spec.js
+.github/
-index.test.js
+.gitignore
+.nvmrc
+coverage/
 jest.config.ts
+src/
+tests/
 tsconfig.json

package-lock.json

@@ -1,22 +1,23 @@
 {
   "name": "@tsndr/cloudflare-worker-jwt",
-  "version": "2.2.10",
+  "version": "2.4.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@tsndr/cloudflare-worker-jwt",
-      "version": "2.2.10",
+      "version": "2.4.4",
       "license": "MIT",
       "devDependencies": {
-        "@cloudflare/workers-types": "^4.20231025.0",
+        "@cloudflare/workers-types": "^4.20240129.0",
         "@jest/globals": "^29.7.0",
-        "@types/jest": "^29.5.8",
+        "@types/jest": "^29.5.11",
-        "@types/node": "^20.9.0",
+        "@types/node": "^20.11.14",
+        "esbuild": "^0.20.0",
         "jest": "^29.7.0",
-        "ts-jest": "^29.1.1",
+        "ts-jest": "^29.1.2",
-        "ts-node": "^10.9.1",
+        "ts-node": "^10.9.2",
-        "typescript": "^5.2.2"
+        "typescript": "^5.3.3"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -655,9 +656,9 @@
       "dev": true
     },
     "node_modules/@cloudflare/workers-types": {
-      "version": "4.20231025.0",
+      "version": "4.20240129.0",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20231025.0.tgz",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20240129.0.tgz",
-      "integrity": "sha512-TkcZkntUTOcvJ4vgmwpNfLTclpMbmbClZCe62B25/VTukmyv91joRa4eKzSjzCZUXTbFHNmVdOpmGaaJU2U3+A==",
+      "integrity": "sha512-VyHbih/bqh/RN2FRxnXznG0bpBIg9RfSP1ldbAVnCXFinjOdv0zm2P/RWqOVN9+FgU5sanRltwwT7jGngxZy8w==",
       "dev": true
     },
     "node_modules/@cspotcode/source-map-support": {
@@ -682,6 +683,374 @@
         "@jridgewell/sourcemap-codec": "^1.4.10"
       }
     },
+    "node_modules/@esbuild/aix-ppc64": {
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+      "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.20.0.tgz",
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+      "cpu": [
+        "ppc64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "aix"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/android-arm": {
+      "version": "0.20.0",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.20.0.tgz",
+      "integrity": "sha512-3bMAfInvByLHfJwYPJRlpTeaQA75n8C/QKpEaiS4HrFWFiJlNI0vzq/zCjBrhAYcPyVPG7Eo9dMrcQXuqmNk5g==",
+      "cpu": [
+        "arm"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/android-arm64": {
+      "version": "0.20.0",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm64/-/android-arm64-0.20.0.tgz",
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+      "cpu": [
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+      "dev": true,
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
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+    "node_modules/@esbuild/win32-x64": {
+      "version": "0.20.0",
+      "resolved": "https://registry.npmjs.org/@esbuild/win32-x64/-/win32-x64-0.20.0.tgz",
+      "integrity": "sha512-NgJnesu1RtWihtTtXGFMU5YSE6JyyHPMxCwBZK7a6/8d31GuSo9l0Ss7w1Jw5QnKUawG6UEehs883kcXf5fYwg==",
+      "cpu": [
+        "x64"
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+      "dev": true,
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
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+    },
     "node_modules/@istanbuljs/load-nyc-config": {
       "version": "1.1.0",
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@@ -1156,9 +1525,9 @@
       }
     },
     "node_modules/@types/jest": {
-      "version": "29.5.8",
+      "version": "29.5.11",
-      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-29.5.8.tgz",
+      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-29.5.11.tgz",
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       "dev": true,
       "dependencies": {
         "expect": "^29.0.0",
@@ -1166,9 +1535,9 @@
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     },
     "node_modules/@types/node": {
-      "version": "20.9.0",
+      "version": "20.11.14",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.9.0.tgz",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.14.tgz",
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         "undici-types": "~5.26.4"
@@ -1762,6 +2131,44 @@
         "is-arrayish": "^0.2.1"
       }
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+      "dev": true,
+      "hasInstallScript": true,
+      "bin": {
+        "esbuild": "bin/esbuild"
+      },
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+        "@esbuild/freebsd-arm64": "0.20.0",
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+        "@esbuild/linux-arm": "0.20.0",
+        "@esbuild/linux-arm64": "0.20.0",
+        "@esbuild/linux-ia32": "0.20.0",
+        "@esbuild/linux-loong64": "0.20.0",
+        "@esbuild/linux-mips64el": "0.20.0",
+        "@esbuild/linux-ppc64": "0.20.0",
+        "@esbuild/linux-riscv64": "0.20.0",
+        "@esbuild/linux-s390x": "0.20.0",
+        "@esbuild/linux-x64": "0.20.0",
+        "@esbuild/netbsd-x64": "0.20.0",
+        "@esbuild/openbsd-x64": "0.20.0",
+        "@esbuild/sunos-x64": "0.20.0",
+        "@esbuild/win32-arm64": "0.20.0",
+        "@esbuild/win32-ia32": "0.20.0",
+        "@esbuild/win32-x64": "0.20.0"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
@@ -3567,9 +3974,9 @@
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     },
     "node_modules/ts-jest": {
-      "version": "29.1.1",
+      "version": "29.1.2",
-      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-29.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-29.1.2.tgz",
-      "integrity": "sha512-D6xjnnbP17cC85nliwGiL+tpoKN0StpgE0TeOjXQTU6MVCfsB4v7aW05CgQ/1OywGb0x/oy9hHFnN+sczTiRaA==",
+      "integrity": "sha512-br6GJoH/WUX4pu7FbZXuWGKGNDuU7b8Uj77g/Sp7puZV6EXzuByl6JrECvm0MzVzSTkSHWTihsXt+5XYER5b+g==",
       "dev": true,
       "dependencies": {
         "bs-logger": "0.x",
@@ -3585,7 +3992,7 @@
         "ts-jest": "cli.js"
       },
       "engines": {
-        "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
+        "node": "^16.10.0 || ^18.0.0 || >=20.0.0"
       },
       "peerDependencies": {
         "@babel/core": ">=7.0.0-beta.0 <8",
@@ -3643,9 +4050,9 @@
       "dev": true
     },
     "node_modules/ts-node": {
-      "version": "10.9.1",
+      "version": "10.9.2",
-      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.9.1.tgz",
+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.9.2.tgz",
-      "integrity": "sha512-NtVysVPkxxrwFGUUxGYhfux8k78pQB3JqYBXlLRZgdGUqTO5wU/UyHop5p70iEbGhB7q5KmiZiU0Y3KlJrScEw==",
+      "integrity": "sha512-f0FFpIdcHgn8zcPSbf1dRevwt047YMnaiJM3u2w2RewrB+fob/zePZcrOyQoLMMO7aBIddLcQIEK5dYjkLnGrQ==",
       "dev": true,
       "dependencies": {
         "@cspotcode/source-map-support": "^0.8.0",
@@ -3707,9 +4114,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.2.2",
+      "version": "5.3.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.2.2.tgz",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
-      "integrity": "sha512-mI4WrpHsbCIcwT9cF4FZvr80QUeKvsUsUvKDoR+X/7XHQH98xYD8YHZg7ANtz2GtZt/CBq2QJ0thkGJMHfqc1w==",
+      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tsndr/cloudflare-worker-jwt",
-  "version": "2.2.10",
+  "version": "2.4.4",
   "description": "A lightweight JWT implementation with ZERO dependencies for Cloudflare Worker",
   "type": "module",
   "exports": "./index.js",
@@ -9,7 +9,7 @@
     "node": ">=18"
   },
   "scripts": {
-    "build": "tsc",
+    "build": "esbuild src/index.ts --bundle --outfile=index.js && tsc --emitDeclarationOnly",
     "test": "jest"
   },
   "repository": {
@@ -30,13 +30,14 @@
   },
   "homepage": "https://github.com/tsndr/cloudflare-worker-jwt#readme",
   "devDependencies": {
-    "@cloudflare/workers-types": "^4.20231025.0",
+    "@cloudflare/workers-types": "^4.20240129.0",
     "@jest/globals": "^29.7.0",
-    "@types/jest": "^29.5.8",
+    "@types/jest": "^29.5.11",
-    "@types/node": "^20.9.0",
+    "@types/node": "^20.11.14",
+    "esbuild": "^0.20.0",
     "jest": "^29.7.0",
-    "ts-jest": "^29.1.1",
+    "ts-jest": "^29.1.2",
-    "ts-node": "^10.9.1",
+    "ts-node": "^10.9.2",
-    "typescript": "^5.2.2"
+    "typescript": "^5.3.3"
   }
 }

src/index.ts

@@ -1,16 +1,25 @@
+import {
+	textToArrayBuffer,
+	arrayBufferToBase64Url,
+	base64UrlToArrayBuffer,
+	textToBase64Url,
+	importKey,
+	decodePayload
+} from "./utils"
+
 if (typeof crypto === 'undefined' || !crypto.subtle)
     throw new Error('SubtleCrypto not supported!')
 
 /**
  * @typedef JwtAlgorithm
- * @type {'ES256'|'ES384'|'ES512'|'HS256'|'HS384'|'HS512'|'RS256'|'RS384'|'RS512'}
+ * @type {'ES256' | 'ES384' | 'ES512' | 'HS256' | 'HS384' | 'HS512' | 'RS256' | 'RS384' | 'RS512'}
  */
-export type JwtAlgorithm = 'ES256'|'ES384'|'ES512'|'HS256'|'HS384'|'HS512'|'RS256'|'RS384'|'RS512'
+export type JwtAlgorithm = 'ES256' | 'ES384' | 'ES512' | 'HS256' | 'HS384' | 'HS512' | 'RS256' | 'RS384' | 'RS512'
 
 /**
  * @typedef JwtAlgorithms
  */
-export interface JwtAlgorithms {
+export type JwtAlgorithms = {
     [key: string]: SubtleCryptoImportKeyAlgorithm
 }
 
@@ -18,16 +27,14 @@ export interface JwtAlgorithms {
  * @typedef JwtHeader
  * @prop {string} [typ] Type
  */
-export interface JwtHeader {
+export type JwtHeader<T = {}> = {
     /**
      * Type (default: `"JWT"`)
      *
      * @default "JWT"
      */
     typ?: string
-
+} & T
-    [key: string]: any
-}
 
 /**
  * @typedef JwtPayload
@@ -39,7 +46,7 @@ export interface JwtHeader {
  * @prop {string} [iat] Issued At
  * @prop {string} [jti] JWT ID
  */
-export interface JwtPayload {
+export type JwtPayload<T = { [key: string]: any }> = {
     /** Issuer */
     iss?: string
 
@@ -60,15 +67,13 @@ export interface JwtPayload {
 
     /** JWT ID */
     jti?: string
-
+} & T
-    [key: string]: any
-}
 
 /**
  * @typedef JwtOptions
  * @prop {JwtAlgorithm | string} algorithm
  */
-export interface JwtOptions {
+export type JwtOptions = {
     algorithm?: JwtAlgorithm | string
 }
 
@@ -77,37 +82,32 @@ export interface JwtOptions {
  * @extends JwtOptions
  * @prop {JwtHeader} [header]
  */
-export interface JwtSignOptions extends JwtOptions {
+export type JwtSignOptions<T> = {
-    header?: JwtHeader
+    header?: JwtHeader<T>
-}
+} & JwtOptions
 
 /**
  * @typedef JwtVerifyOptions
  * @extends JwtOptions
  * @prop {boolean} [throwError=false] If `true` throw error if checks fail. (default: `false`)
  */
-export interface JwtVerifyOptions extends JwtOptions {
+export type JwtVerifyOptions = {
-    /**
-     * If `true` all expiry checks will be skipped
-    */
-    skipValidation?: boolean
-
     /**
      * If `true` throw error if checks fail. (default: `false`)
      *
      * @default false
     */
     throwError?: boolean
-}
+} & JwtOptions
 
 /**
  * @typedef JwtData
  * @prop {JwtHeader} header
  * @prop {JwtPayload} payload
  */
-export interface JwtData {
+export type JwtData<Payload = {}, Header = {}> = {
-    header: JwtHeader
+    header?: JwtHeader<Header>
-    payload: JwtPayload
+    payload?: JwtPayload<Payload>
 }
 
 const algorithms: JwtAlgorithms = {
@@ -122,116 +122,66 @@ const algorithms: JwtAlgorithms = {
     RS512: { name: 'RSASSA-PKCS1-v1_5', hash: { name: 'SHA-512' } }
 }
 
-function bytesToByteString(bytes: Uint8Array): string {
+/**
-    let byteStr = ''
+ * Signs a payload and returns the token
-    for (let i = 0; i < bytes.byteLength; i++) {
+ *
-        byteStr += String.fromCharCode(bytes[i])
+ * @param {JwtPayload} payload The payload object. To use `nbf` (Not Before) and/or `exp` (Expiration Time) add `nbf` and/or `exp` to the payload.
-    }
+ * @param {string | JsonWebKey | CryptoKey} secret A string which is used to sign the payload.
-    return byteStr
+ * @param {JwtSignOptions | JwtAlgorithm | string} [options={ algorithm: 'HS256', header: { typ: 'JWT' } }] The options object or the algorithm.
-}
+ * @throws {Error} If there's a validation issue.
+ * @returns {Promise<string>} Returns token as a `string`.
+ */
+export async function sign<Payload = {}, Header = {}>(payload: JwtPayload<Payload>, secret: string | JsonWebKey, options: JwtSignOptions<Header> | JwtAlgorithm = 'HS256'): Promise<string> {
+    if (typeof options === 'string')
+        options = { algorithm: options }
 
-function byteStringToBytes(byteStr: string): Uint8Array {
+    options = { algorithm: 'HS256', header: { typ: 'JWT' } as JwtHeader<Header>, ...options }
-    let bytes = new Uint8Array(byteStr.length)
-    for (let i = 0; i < byteStr.length; i++) {
-        bytes[i] = byteStr.charCodeAt(i)
-    }
-    return bytes
-}
 
-function arrayBufferToBase64String(arrayBuffer: ArrayBuffer): string {
+    if (!payload || typeof payload !== 'object')
-    return btoa(bytesToByteString(new Uint8Array(arrayBuffer)))
+        throw new Error('payload must be an object')
-}
 
-function base64StringToArrayBuffer(b64str: string): ArrayBuffer {
+    if (!secret || (typeof secret !== 'string' && typeof secret !== 'object'))
-    return byteStringToBytes(atob(b64str)).buffer
+        throw new Error('secret must be a string, a JWK object or a CryptoKey object')
-}
 
-function textToArrayBuffer(str: string): ArrayBuffer {
+    if (typeof options.algorithm !== 'string')
-    return byteStringToBytes(decodeURI(encodeURIComponent(str)))
+        throw new Error('options.algorithm must be a string')
-}
 
-// @ts-ignore
+    const algorithm: SubtleCryptoImportKeyAlgorithm = algorithms[options.algorithm]
-function arrayBufferToText(arrayBuffer: ArrayBuffer): string {
-    return bytesToByteString(new Uint8Array(arrayBuffer))
-}
 
-function arrayBufferToBase64Url(arrayBuffer: ArrayBuffer): string {
+    if (!algorithm)
-    return arrayBufferToBase64String(arrayBuffer).replace(/=/g, '').replace(/\+/g, '-').replace(/\//g, '_')
+        throw new Error('algorithm not found')
-}
 
-function base64UrlToArrayBuffer(b64url: string): ArrayBuffer {
+    if (!payload.iat)
-    return base64StringToArrayBuffer(b64url.replace(/-/g, '+').replace(/_/g, '/').replace(/\s/g, ''))
+        payload.iat = Math.floor(Date.now() / 1000)
-}
 
-function textToBase64Url(str: string): string {
+    const partialToken = `${textToBase64Url(JSON.stringify({ ...options.header, alg: options.algorithm }))}.${textToBase64Url(JSON.stringify(payload))}`
-    return btoa(str).replace(/=/g, '').replace(/\+/g, '-').replace(/\//g, '_')
-}
 
-function pemToBinary(pem: string): ArrayBuffer {
+    const key = secret instanceof CryptoKey ? secret : await importKey(secret, algorithm, ['sign'])
-    return base64StringToArrayBuffer(pem.replace(/-+(BEGIN|END).*/g, '').replace(/\s/g, ''))
+    const signature = await crypto.subtle.sign(algorithm, key, textToArrayBuffer(partialToken))
-}
 
-async function importTextSecret(key: string, algorithm: SubtleCryptoImportKeyAlgorithm): Promise<CryptoKey> {
+    return `${partialToken}.${arrayBufferToBase64Url(signature)}`
-    return await crypto.subtle.importKey("raw", textToArrayBuffer(key), algorithm, true, ["verify", "sign"])
-}
-
-async function importJwk(key: JsonWebKey, algorithm: SubtleCryptoImportKeyAlgorithm): Promise<CryptoKey> {
-    return await crypto.subtle.importKey("jwk", key, algorithm, true, ["verify", "sign"])
-}
-
-async function importPublicKey(key: string, algorithm: SubtleCryptoImportKeyAlgorithm): Promise<CryptoKey> {
-    return await crypto.subtle.importKey("spki", pemToBinary(key), algorithm, true, ["verify"])
-}
-
-async function importPrivateKey(key: string, algorithm: SubtleCryptoImportKeyAlgorithm): Promise<CryptoKey> {
-    return await crypto.subtle.importKey("pkcs8", pemToBinary(key), algorithm, true, ["sign"])
-}
-
-async function importKey(key: string | JsonWebKey, algorithm: SubtleCryptoImportKeyAlgorithm): Promise<CryptoKey> {
-    if (typeof key === 'object')
-        return importJwk(key, algorithm)
-
-    if (typeof key !== 'string')
-        throw new Error('Unsupported key type!')
-
-    if (key.includes('PUBLIC'))
-        return importPublicKey(key, algorithm)
-
-    if (key.includes('PRIVATE'))
-        return importPrivateKey(key, algorithm)
-
-    return importTextSecret(key, algorithm)
-}
-
-function decodePayload(raw: string): JwtHeader | JwtPayload | null {
-    try {
-        raw += '='.repeat(4-(raw.length % 4))
-        return JSON.parse(atob(raw))
-    } catch {
-        return null
-    }
 }
 
 /**
  * Verifies the integrity of the token and returns a boolean value.
  *
  * @param {string} token The token string generated by `jwt.sign()`.
- * @param {string | JsonWebKey} secret The string which was used to sign the payload.
+ * @param {string | JsonWebKey | CryptoKey} secret The string which was used to sign the payload.
  * @param {JWTVerifyOptions | JWTAlgorithm} options The options object or the algorithm.
  * @throws {Error | string} Throws an error `string` if the token is invalid or an `Error-Object` if there's a validation issue.
  * @returns {Promise<boolean>} Returns `true` if signature, `nbf` (if set) and `exp` (if set) are valid, otherwise returns `false`.
  */
-export async function verify(token: string, secret: string | JsonWebKey, options: JwtVerifyOptions | JwtAlgorithm = { algorithm: 'HS256', skipValidation: false, throwError: false }): Promise<boolean> {
+export async function verify(token: string, secret: string | JsonWebKey | CryptoKey, options: JwtVerifyOptions | JwtAlgorithm = { algorithm: 'HS256', throwError: false }): Promise<boolean> {
     if (typeof options === 'string')
         options = { algorithm: options, throwError: false }
 
-    options = { algorithm: 'HS256', skipValidation: false, throwError: false, ...options }
+    options = { algorithm: 'HS256', throwError: false, ...options }
 
     if (typeof token !== 'string')
         throw new Error('token must be a string')
 
     if (typeof secret !== 'string' && typeof secret !== 'object')
-        throw new Error('secret must be a string or a JWK object')
+        throw new Error('secret must be a string, a JWK object or a CryptoKey object')
 
     if (typeof options.algorithm !== 'string')
         throw new Error('options.algorithm must be a string')
@@ -248,69 +198,25 @@ export async function verify(token: string, secret: string | JsonWebKey, options
 
     const { payload } = decode(token)
 
-    if (!options.skipValidation && !payload) {
+    try {
-        if (options.throwError)
+        if (!payload)
-            throw 'PARSE_ERROR'
+            throw new Error('PARSE_ERROR')
 
-        return false
+        if (payload.nbf && payload.nbf > Math.floor(Date.now() / 1000))
-    }
+            throw new Error('NOT_YET_VALID')
 
-    if (!options.skipValidation && payload.nbf && payload.nbf > Math.floor(Date.now() / 1000)) {
+        if (payload.exp && payload.exp <= Math.floor(Date.now() / 1000))
-        if (options.throwError)
+            throw new Error('EXPIRED')
-            throw 'NOT_YET_VALID'
 
-        return false
+        const key = secret instanceof CryptoKey ? secret : await importKey(secret, algorithm, ['verify'])
-    }
-
-    if (!options.skipValidation && payload.exp && payload.exp <= Math.floor(Date.now() / 1000)) {
-        if (options.throwError)
-            throw 'EXPIRED'
-
-        return false
-    }
-
-    const key = await importKey(secret, algorithm)
 
         return await crypto.subtle.verify(algorithm, key, base64UrlToArrayBuffer(tokenParts[2]), textToArrayBuffer(`${tokenParts[0]}.${tokenParts[1]}`))
-}
+    } catch(err) {
+        if (options.throwError)
+            throw err
 
-/**
+        return false
- * Signs a payload and returns the token
+    }
- *
- * @param {JwtPayload} payload The payload object. To use `nbf` (Not Before) and/or `exp` (Expiration Time) add `nbf` and/or `exp` to the payload.
- * @param {string | JsonWebKey} secret A string which is used to sign the payload.
- * @param {JwtSignOptions | JwtAlgorithm | string} [options={ algorithm: 'HS256', header: { typ: 'JWT' } }] The options object or the algorithm.
- * @throws {Error} If there's a validation issue.
- * @returns {Promise<string>} Returns token as a `string`.
- */
-export async function sign(payload: JwtPayload, secret: string | JsonWebKey, options: JwtSignOptions | JwtAlgorithm = 'HS256'): Promise<string> {
-    if (typeof options === 'string')
-        options = { algorithm: options }
-    options = { algorithm: 'HS256', header: { typ: 'JWT' }, ...options }
-
-    if (!payload || typeof payload !== 'object')
-        throw new Error('payload must be an object')
-
-    if (!secret || (typeof secret !== 'string' && typeof secret !== 'object'))
-        throw new Error('secret must be a string or a JWK object')
-
-    if (typeof options.algorithm !== 'string')
-        throw new Error('options.algorithm must be a string')
-
-    const algorithm: SubtleCryptoImportKeyAlgorithm = algorithms[options.algorithm]
-
-    if (!algorithm)
-        throw new Error('algorithm not found')
-
-    if (!payload.iat)
-        payload.iat = Math.floor(Date.now() / 1000)
-
-    const partialToken = `${textToBase64Url(JSON.stringify({ ...options.header, alg: options.algorithm }))}.${textToBase64Url(JSON.stringify(payload))}`
-
-    const key = await importKey(secret, algorithm)
-    const signature = await crypto.subtle.sign(algorithm, key, textToArrayBuffer(partialToken))
-
-    return `${partialToken}.${arrayBufferToBase64Url(signature)}`
 }
 
 /**
@@ -319,10 +225,10 @@ export async function sign(payload: JwtPayload, secret: string | JsonWebKey, opt
  * @param {string} token The token string generated by `jwt.sign()`.
  * @returns {JwtData} Returns an `object` containing `header` and `payload`.
  */
-export function decode(token: string): JwtData {
+export function decode<Payload = {}, Header = {}>(token: string): JwtData<Payload, Header> {
     return {
-        header: decodePayload(token.split('.')[0].replace(/-/g, '+').replace(/_/g, '/')) as JwtHeader,
+        header: decodePayload<JwtHeader<Header>>(token.split('.')[0].replace(/-/g, '+').replace(/_/g, '/')),
-        payload: decodePayload(token.split('.')[1].replace(/-/g, '+').replace(/_/g, '/')) as JwtPayload
+        payload: decodePayload<JwtPayload<Payload>>(token.split('.')[1].replace(/-/g, '+').replace(/_/g, '/'))
     }
 }
 

src/utils.ts

@@ -0,0 +1,94 @@
+export function bytesToByteString(bytes: Uint8Array): string {
+    let byteStr = ''
+    for (let i = 0; i < bytes.byteLength; i++) {
+        byteStr += String.fromCharCode(bytes[i])
+    }
+    return byteStr
+}
+
+export function byteStringToBytes(byteStr: string): Uint8Array {
+    let bytes = new Uint8Array(byteStr.length)
+    for (let i = 0; i < byteStr.length; i++) {
+        bytes[i] = byteStr.charCodeAt(i)
+    }
+    return bytes
+}
+
+export function arrayBufferToBase64String(arrayBuffer: ArrayBuffer): string {
+    return btoa(bytesToByteString(new Uint8Array(arrayBuffer)))
+}
+
+export function base64StringToArrayBuffer(b64str: string): ArrayBuffer {
+    return byteStringToBytes(atob(b64str)).buffer
+}
+
+export function textToArrayBuffer(str: string): ArrayBuffer {
+    return byteStringToBytes(decodeURI(encodeURIComponent(str)))
+}
+
+export function arrayBufferToText(arrayBuffer: ArrayBuffer): string {
+    return bytesToByteString(new Uint8Array(arrayBuffer))
+}
+
+export function arrayBufferToBase64Url(arrayBuffer: ArrayBuffer): string {
+    return arrayBufferToBase64String(arrayBuffer).replace(/=/g, '').replace(/\+/g, '-').replace(/\//g, '_')
+}
+
+export function base64UrlToArrayBuffer(b64url: string): ArrayBuffer {
+    return base64StringToArrayBuffer(b64url.replace(/-/g, '+').replace(/_/g, '/').replace(/\s/g, ''))
+}
+
+export function textToBase64Url(str: string): string {
+    const encoder = new TextEncoder();
+    const charCodes = encoder.encode(str);
+    const binaryStr = String.fromCharCode(...charCodes);
+    return btoa(binaryStr).replace(/=/g, '').replace(/\+/g, '-').replace(/\//g, '_')
+}
+
+export function pemToBinary(pem: string): ArrayBuffer {
+    return base64StringToArrayBuffer(pem.replace(/-+(BEGIN|END).*/g, '').replace(/\s/g, ''))
+}
+
+type KeyUsages = 'sign' | 'verify';
+export async function importTextSecret(key: string, algorithm: SubtleCryptoImportKeyAlgorithm, keyUsages: KeyUsages[]): Promise<CryptoKey> {
+    return await crypto.subtle.importKey("raw", textToArrayBuffer(key), algorithm, true, keyUsages)
+}
+
+export async function importJwk(key: JsonWebKey, algorithm: SubtleCryptoImportKeyAlgorithm, keyUsages: KeyUsages[]): Promise<CryptoKey> {
+    return await crypto.subtle.importKey("jwk", key, algorithm, true, keyUsages)
+}
+
+export async function importPublicKey(key: string, algorithm: SubtleCryptoImportKeyAlgorithm, keyUsages: KeyUsages[]): Promise<CryptoKey> {
+    return await crypto.subtle.importKey("spki", pemToBinary(key), algorithm, true, keyUsages)
+}
+
+export async function importPrivateKey(key: string, algorithm: SubtleCryptoImportKeyAlgorithm, keyUsages: KeyUsages[]): Promise<CryptoKey> {
+    return await crypto.subtle.importKey("pkcs8", pemToBinary(key), algorithm, true, keyUsages)
+}
+
+export async function importKey(key: string | JsonWebKey, algorithm: SubtleCryptoImportKeyAlgorithm, keyUsages: KeyUsages[]): Promise<CryptoKey> {
+    if (typeof key === 'object')
+        return importJwk(key, algorithm, keyUsages)
+
+    if (typeof key !== 'string')
+        throw new Error('Unsupported key type!')
+
+    if (key.includes('PUBLIC'))
+        return importPublicKey(key, algorithm, keyUsages)
+
+    if (key.includes('PRIVATE'))
+        return importPrivateKey(key, algorithm, keyUsages)
+
+    return importTextSecret(key, algorithm, keyUsages)
+}
+
+export function decodePayload<T = any>(raw: string): T | undefined {
+    try {
+        const bytes = Array.from(atob(raw), char => char.charCodeAt(0));
+        const decodedString = new TextDecoder('utf-8').decode(new Uint8Array(bytes));
+
+        return JSON.parse(decodedString);
+    } catch {
+        return
+    }
+}

tests/index.spec.ts

@@ -2,7 +2,7 @@ import crypto from 'node:crypto'
 Object.defineProperty(global, 'crypto', { value: { subtle: crypto.webcrypto.subtle }})
 
 import { describe, expect, test } from '@jest/globals'
-import jwt, { JwtAlgorithm } from '.'
+import jwt, { JwtAlgorithm } from '../src/index'
 
 type Dataset = {
     public: string
@@ -14,6 +14,11 @@ type Data = {
     [key in JwtAlgorithm]: Dataset
 }
 
+type Payload = {
+    sub: string
+    name: string
+}
+
 const data: Data = {
     'ES256': {
         public: '-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEEVs/o5+uQbTjL3chynL4wXgUg2R9\nq9UU8I5mEovUf86QZ7kOBIjJwqnzD1omageEHWwHdBO6B+dFabmdT9POxg==\n-----END PUBLIC KEY-----',
@@ -63,11 +68,16 @@ const data: Data = {
 
 }
 
-const payload = {
+const payload: Payload = {
     sub: "1234567890",
     name: "John Doe",
 }
 
+const unicodePayload: Payload = {
+    sub: "1234567890",
+    name: "John Doe 😎",
+}
+
 describe.each(Object.entries(data) as [JwtAlgorithm, Dataset][])('%s', (algorithm, data) => {
     let token = ''
 
@@ -77,18 +87,23 @@ describe.each(Object.entries(data) as [JwtAlgorithm, Dataset][])('%s', (algorith
     })
 
     test('decode external', async () => {
-        const decoded = jwt.decode(data.token)
+        const decoded = jwt.decode<Payload>(data.token)
         expect({
             sub: payload.sub,
             name: payload.name
         }).toMatchObject({
-            sub: decoded.payload.sub,
+            sub: decoded.payload?.sub,
             name: payload.name
         })
     })
 
     test('sign internal', async () => {
-        token = await jwt.sign(payload, data.private, algorithm)
+        token = await jwt.sign<Payload>(payload, data.private, algorithm)
+        expect(token).toMatch(/^[a-zA-Z0-9\-_]+\.[a-zA-Z0-9\-_]+\.[a-zA-Z0-9\-_]+$/)
+    })
+
+    test('sign unciode', async () => {
+        token = await jwt.sign<Payload>(unicodePayload, data.private, algorithm)
         expect(token).toMatch(/^[a-zA-Z0-9\-_]+\.[a-zA-Z0-9\-_]+\.[a-zA-Z0-9\-_]+$/)
     })
 
@@ -98,7 +113,7 @@ describe.each(Object.entries(data) as [JwtAlgorithm, Dataset][])('%s', (algorith
             sub: payload.sub,
             name: payload.name
         }).toMatchObject({
-            sub: decoded.payload.sub,
+            sub: decoded.payload?.sub,
             name: payload.name
         })
     })

tests/utils.spec.ts

@@ -0,0 +1,81 @@
+import { describe, expect, test } from '@jest/globals'
+import {
+	bytesToByteString,
+	byteStringToBytes,
+	arrayBufferToBase64String,
+	base64StringToArrayBuffer,
+	textToArrayBuffer,
+	arrayBufferToText,
+	arrayBufferToBase64Url,
+	base64UrlToArrayBuffer,
+	textToBase64Url,
+	pemToBinary,
+	importTextSecret
+} from '../src/utils'
+
+describe('Converters', () => {
+	const testString = 'cloudflare-worker-jwt'
+	const testByteArray = [ 99, 108, 111, 117, 100, 102, 108, 97, 114, 101, 45, 119, 111, 114, 107, 101, 114, 45, 106, 119, 116 ]
+	const testUint8Array = new Uint8Array(testByteArray)
+	const testBase64String = 'Y2xvdWRmbGFyZS13b3JrZXItand0'
+	const testArrayBuffer = testUint8Array.buffer
+
+	test('bytesToByteString', () => {
+		expect(bytesToByteString(testUint8Array)).toStrictEqual(testString)
+	})
+
+	test('byteStringToBytes', () => {
+		expect(byteStringToBytes(testString)).toStrictEqual(testUint8Array)
+	})
+
+	test('arrayBufferToBase64String', () => {
+		expect(arrayBufferToBase64String(testArrayBuffer)).toStrictEqual(testBase64String)
+	})
+
+	test('base64StringToArrayBuffer', () => {
+		expect(base64StringToArrayBuffer(testBase64String)).toStrictEqual(testArrayBuffer)
+	})
+
+	test('textToArrayBuffer', () => {
+		expect(textToArrayBuffer(testString)).toStrictEqual(testUint8Array)
+	})
+
+	test('arrayBufferToText', () => {
+		expect(arrayBufferToText(testArrayBuffer)).toStrictEqual(testString)
+	})
+
+	test('arrayBufferToBase64Url', () => {
+		expect(arrayBufferToBase64Url(testArrayBuffer)).toStrictEqual(testBase64String)
+	})
+
+	test('base64UrlToArrayBuffer', () => {
+		expect(base64UrlToArrayBuffer(testBase64String)).toStrictEqual(testArrayBuffer)
+	})
+
+	test('textToBase64Url', () => {
+		expect(textToBase64Url(testString)).toStrictEqual(testBase64String)
+	})
+
+	test('pemToBinary', () => {
+		expect(pemToBinary(`-----BEGIN PUBLIC KEY-----\n${testBase64String}\n-----END PUBLIC KEY-----`)).toStrictEqual(testArrayBuffer)
+	})
+})
+
+describe('Imports', () => {
+	test('importTextSecret', async () => {
+		const testKey = 'cloudflare-worker-jwt'
+		const testAlgorithm = { name: 'HMAC', hash: { name: 'SHA-256' } }
+		const testCryptoKey = { type: 'secret', extractable: true, algorithm: { ...testAlgorithm, length: 168 }, usages: ['verify', 'sign'] }
+
+		expect(await importTextSecret(testKey, testAlgorithm, ['verify', 'sign'])).toMatchObject(testCryptoKey)
+	})
+
+	//test('importJwk', async () => {})
+	//test('importPublicKey', async () => {})
+	//test('importPrivateKey', async () => {})
+	//test('importKey', async () => {})
+})
+
+//describe('Payload', () => {
+//	test('decodePayload', () => {})
+//})