jwt

jwt.js

import hmacSHA256 from "crypto-js/hmac-sha256"
import Base64url from "crypto-js/enc-base64url"
import { Buffer } from "buffer"

export default function generateMockToken() {
    const header = {
        typ: "JWT",
        alg: "HS256"
    }

    const payload = {
        eid: "some_eid",
        req_time: new Date().getTime()
    }

    const headerBase64Url = encode(JSON.stringify(header), "utf-8").replace(/=/gi, "")
    const payloadBase64Url = encode(JSON.stringify(payload), "utf-8").replace(/=/gi, "")

    const strings = headerBase64Url + "." + payloadBase64Url

    const secretKey = "some_secretkey" // 서명값

    const hash = Base64url.stringify(hmacSHA256(strings, secretKey))

    return strings + "." + hash
}

function encode(str, encoding) {
    return Buffer.from(str, encoding || "utf8").toString("base64")
}