goofmint’s gists

## index.js
(() => {
  const ary = []
  document.querySelectorAll(".g").forEach((dom) => {
    const title = dom.querySelector("h3").innerText;
    const date = dom.querySelector(".s span.f") ? dom.querySelector(".s span.f").innerText.replace(' - ', '') : '';
    const url = dom.querySelector("cite") ? dom.querySelector("cite").innerText : '';
    ary.push(`${date}\t\t${title}\t${url}`);
  })
  console.log(ary.join("\n"))
})();

## index.js
self.addEventListener('message', async (e) => {
  const cache = await caches.open(CACHE_NAME)
  switch (e.data.action) {
  case 'cache':
    const res = new Response(e.data.response);
    cache.put(e.data.url, res);
    break;
  case 'delete':
    cache.delete(e.data.url);
    break;

## index.js
const channel = new MessageChannel();
navigator.serviceWorker.controller
  .postMessage({
    action: 'cache',
    url: 'http://www.example.com/app',
    response: 'Hello World'
  }, [channel.port2]);

## index.js
let verifyAuthenticatorAttestationResponse = (webAuthnResponse) => {
    let attestationBuffer = base64url.toBuffer(webAuthnResponse.response.attestationObject);
    let ctapMakeCredResp  = cbor.decodeAllSync(attestationBuffer)[0];

    let response = {'verified': false};
    if(ctapMakeCredResp.fmt === 'fido-u2f') {
        let authrDataStruct = parseMakeCredAuthData(ctapMakeCredResp.authData);

        if(!(authrDataStruct.flags & U2F_USER_PRESENTED))
            throw new Error('User was NOT presented durring authentication!');

## index.js
if(clientData.origin !== config.origin) {
  // エラー
}

## index.js
if(clientData.challenge !== request.session.challenge) {
  // エラー
}

## index.json
{
  "challenge":"-Qa...QFM",
  "clientExtensions":{},
  "hashAlgorithm":"SHA-256",
  "origin":"http://localhost:3000",
  "type":"webauthn.create"
}

## index.json
{
  "getClientExtensionResults":{},
  "rawId":"pHk...xjA",
  "response":{
    "attestationObject":"o2N...NB5",
    "clientDataJSON":"eyJ...SJ9"
  },
  "id":"pHk...xjA",
  "type":"public-key"
}

## index.js
navigator.credentials.create({ publicKey })

## index.js
{
  challenge: "(ランダムな文字列)"
  rp: {
    name: "任意の社名など"
  },
  user: {
    id: "(ランダムな文字列)",
    name: "(入力されたユーザID)",
    displayName: "(入力されたユーザ名)"
  },