crowd-funder-for-time-pwa/additional-scripts.js

importScripts("https://cdn.jsdelivr.net/npm/tweetnacl-util@0.15.1/nacl-util.min.js");
importScripts("https://cdnjs.cloudflare.com/ajax/libs/tweetnacl/1.0.2/nacl.min.js");
importScripts("https://cdn.jsdelivr.net/npm/@sphereon/did-jwt/build/index.min.js");

self.addEventListener("push", function (event) {
  let payload;
  if (event.data) {
    payload = JSON.parse(event.data.text());
  }

  const title = payload ? payload.title : "Custom Title";
  const options = {
    body: payload ? payload.body : "Custom body text",
    icon: payload ? payload.icon : "icon.png",
    badge: payload ? payload.badge : "badge.png",
  };

  event.waitUntil(self.registration.showNotification(title, options));
});


self.addEventListener('message', function(event) {
  const data = event.data;

  const secret = await page.evaluate(() => {
    const secret = localStorage.getItem('secret');
    return secret;
  });

  const secretUint8Array = util.decodeBase64(secret);

  const dbNames = await page.evaluate(() => {
    return new Promise((resolve, reject) => {
      let db = indexedDB.open('TimeSafari');
      db.onsuccess = async (event) => {
        this.db = event.target.result;
        const transaction = this.db.transaction('settings', 'readonly');
        const objectStore = transaction.objectStore('settings');
        const request = objectStore.get(1);
        request.onsuccess = () => {
          const row = request.result;
          resolve(row);
        }
      };
    });
  }, {timeout: 10000});

  const dbAccounts = await page.evaluate(() => {
    return new Promise((resolve, reject) => {
      let db = indexedDB.open('TimeSafariAccounts');
      db.onsuccess = async (event) => {
        this.db = event.target.result;
        const transaction = this.db.transaction('accounts', 'readonly');
        const objectStore = transaction.objectStore('accounts');
        const request = objectStore.getAll();
        request.onsuccess = () => {
          const rows = request.result;
          resolve(rows);
        }
      };
    });
  }, {timeout: 10000});

    for (var i = 0; i < dbAccounts.length; i++) {
      let account = dbAccounts[i];
      let did = account['did'];
      let publicKeyHex = account['publicKeyHex'];
      let identity = account['identity'];

      const messageWithNonceAsUint8Array = util.decodeBase64(identity);
      const nonce = messageWithNonceAsUint8Array.slice(0, 24);
      const message = messageWithNonceAsUint8Array.slice(24, identity.length);

      const decrypted = nacl.secretbox.open(message, nonce, secretUint8Array);

      const decoder = new TextDecoder('utf-8');
      const string = decoder.decode(decrypted);
      const indentifier = JSON.parse(string);

	
  }
    
  switch (data.command) {
    case 'account':
      break;
    
    default:
      console.log('Unknown command:', data.command);
  }
});