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working on more tests

This commit is contained in:
2024-01-18 22:36:26 +01:00
parent 35dc875f56
commit 6b3e828126
4 changed files with 184 additions and 96 deletions

View File

@@ -1,3 +1,12 @@
import {
textToArrayBuffer,
arrayBufferToBase64Url,
base64UrlToArrayBuffer,
textToBase64Url,
importKey,
decodePayload
} from "./utils"
if (typeof crypto === 'undefined' || !crypto.subtle)
throw new Error('SubtleCrypto not supported!')
@@ -115,101 +124,6 @@ const algorithms: JwtAlgorithms = {
RS512: { name: 'RSASSA-PKCS1-v1_5', hash: { name: 'SHA-512' } }
}
function bytesToByteString(bytes: Uint8Array): string {
let byteStr = ''
for (let i = 0; i < bytes.byteLength; i++) {
byteStr += String.fromCharCode(bytes[i])
}
return byteStr
}
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
}
function arrayBufferToBase64String(arrayBuffer: ArrayBuffer): string {
return btoa(bytesToByteString(new Uint8Array(arrayBuffer)))
}
function base64StringToArrayBuffer(b64str: string): ArrayBuffer {
return byteStringToBytes(atob(b64str)).buffer
}
function textToArrayBuffer(str: string): ArrayBuffer {
return byteStringToBytes(decodeURI(encodeURIComponent(str)))
}
// @ts-ignore
function arrayBufferToText(arrayBuffer: ArrayBuffer): string {
return bytesToByteString(new Uint8Array(arrayBuffer))
}
function arrayBufferToBase64Url(arrayBuffer: ArrayBuffer): string {
return arrayBufferToBase64String(arrayBuffer).replace(/=/g, '').replace(/\+/g, '-').replace(/\//g, '_')
}
function base64UrlToArrayBuffer(b64url: string): ArrayBuffer {
return base64StringToArrayBuffer(b64url.replace(/-/g, '+').replace(/_/g, '/').replace(/\s/g, ''))
}
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, '_')
}
function pemToBinary(pem: string): ArrayBuffer {
return base64StringToArrayBuffer(pem.replace(/-+(BEGIN|END).*/g, '').replace(/\s/g, ''))
}
async function importTextSecret(key: string, algorithm: SubtleCryptoImportKeyAlgorithm): Promise<CryptoKey> {
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<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
}
}
/**
* Signs a payload and returns the token
*