snap-passwordManager/index.html at main · HarishRocks/snap-passwordManager · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <title>Hello, Snaps!</title>
    <link rel="icon" type="image/svg" href="./images/icon.svg" />
  </head>

  <body>
    <h1>Hello, Snaps!</h1>
    <details>
      <summary>Instructions</summary>
      <ul>
        <li>First, click "Connect". Then, try out the other buttons!</li>
        <li>Please note that:</li>
        <ul>
          <li>
            The <code>snap.manifest.json</code> and
            <code>package.json</code> must be located in the server root
            directory..
          </li>
          <li>
            The Snap bundle must be hosted at the location specified by the
            <code>location</code> field of <code>snap.manifest.json</code>.
          </li>
        </ul>
      </ul>
    </details>
    <br />

    <button class="connect">Connect</button>
    <div>
      <input type="text" placeholder="Website" id="save_website" />
      <input type="text" placeholder="Username" id="save_username" />
      <input type="password" id="save_password" />
      <button id="save">Save password</button>
    </div>
    <div>
      <button id="clear">Clear everything</button>
    </div>
    <div>
      <input
        type="text"
        placeholder="Search passwords"
        id="password_search"
      /><br />
      <ul id="password_list"></ul>
    </div>
  </body>

  <script>
    const snapId = `local:${window.location.href}`;

    const connectButton = document.querySelector('button.connect');
    const searchInput = document.querySelector('input#password_search');
    const searchList = document.querySelector('ul#password_list');
    const websiteInput = document.querySelector('input#save_website');
    const usernameInput = document.querySelector('input#save_username');
    const passwordInput = document.querySelector('input#save_password');
    const saveButton = document.querySelector('button#save');
    const clearButton = document.querySelector('button#clear');

    connectButton.addEventListener('click', connect);
    searchInput.addEventListener('input', (e) =>
      searchDebounced(e.target.value.trim()),
    );
    saveButton.addEventListener('click', () =>
      savePassword(
        websiteInput.value.trim(),
        usernameInput.value.trim(),
        passwordInput.value.trim(),
      ),
    );
    clearButton.addEventListener('click', clear);

    // here we get permissions to interact with and install the snap
    async function connect() {
      await ethereum.request({
        method: 'wallet_enable',
        params: [
          {
            wallet_snap: { [snapId]: {} },
          },
        ],
      });
      await search();
      alert('Connected');
    }

    function debounce(func, timeout = 250) {
      let timer;
      return (...args) => {
        clearTimeout(timer);
        timer = setTimeout(() => func.apply(this, args), timeout);
      };
    }

    async function search(pattern = searchInput.value) {
      const results = await ethereum.request({
        method: 'wallet_invokeSnap',
        params: [snapId, { method: 'search', pattern }],
      });

      const searchHtml = results.reduce(
        (acc, result) =>
          (acc += `<li onclick="showPasssword('${result}')">${result}</li>\n`),
        '',
      );

      searchList.innerHTML = searchHtml;
    }

    const searchDebounced = debounce(search);

    async function savePassword(website, username, password) {
      await ethereum.request({
        method: 'wallet_invokeSnap',
        params: [
          snapId,
          { method: 'save_password', website, username, password },
        ],
      });
      await search();
      alert('Password saved');
    }

    async function showPasssword(website) {
      const result = await ethereum.request({
        method: 'wallet_invokeSnap',
        params: [snapId, { method: 'get_password', website }],
      });
      if (result !== undefined) {
        alert(
          `Website: "${website}", username: "${result.username}", password: "${result.password}"`,
        );
      }
    }

    async function clear() {
      await ethereum.request({
        method: 'wallet_invokeSnap',
        params: [snapId, { method: 'clear' }],
      });
      await search();
      alert('Cleared');
    }
  </script>
</html>