gonenote/index.html at main · ml4den/gonenote · GitHub

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<!DOCTYPE html>

<html lang="en">

<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />

  <title>Gone Note</title>
  <meta name="description" content="Send encrypted self-destructing notes securely." />
  <meta name="author" content="kirilov.ml" />
  <meta name="theme-color" content="#0d6efd" />

  <meta property="og:title" content="Gone Note" />
  <meta property="og:type" content="website" />
  <meta property="og:url" content="" />
  <meta property="og:description" content="Send encrypted self-destructing notes securely." />
  <meta property="og:image" content="" />

  <link rel="icon" href="favicon.svg" type="image/svg+xml" />
  <link rel="manifest" href="manifest.json" />
  <link rel="apple-touch-icon" href="favicon-192px.png" />

  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet"
    crossorigin="anonymous" />
  <script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.1.1/crypto-js.min.js"
    integrity="sha512-E8QSvWZ0eCLGk4km3hxSsNmGWbLtSCSUcewDQPQWZF6pEU8GlT8a5fF32wOl1i8ftdMhssTrF/OhyGWwonTcXA=="
    crossorigin="anonymous" referrerpolicy="no-referrer"></script>
</head>

<body>
  <div id="viewForm" class="container">
    <section class="py-4 py-xl-5 container">
      <div class="col-md-8 col-xl-6 text-center mx-auto">
        <h2 class="display-6 fw-bold">Gone Note</h2>
        <article class="text-muted">
          <p>Send encrypted self-destructing notes securely.</p>
          <p>Notes are encrypted in your browser and the key is never transmitted. Only the encrypted note is sent to
            our storage.</p>
          <p>See more about how this works on <a href="https://github.com/ml4den/gonenote"
              alt="Gone Note on GitHub">GitHub</a>.</p>
        </article>
      </div>
      <form class="col-md-8 col-xl-6 text-center mx-auto">
        <div class="form-group">
          <label for="noteClearText">Note:</label>
          <textarea class="form-control" id="noteClearText" rows="6"></textarea>
        </div>
        <div class="form-group">
          <label for="ttl">Days before deleted (1-90):</label>
          <input type="number" class="form-control" id="ttl" min="1" max="90" value="30">
        </div>
        <div class="form-group">
          <label for="views">Times read before deleted (1-5):</label>
          <input type="number" class="form-control" id="views" min="1" max="5" value="1">
        </div>
        <br />
        <button type="submit" class="btn btn-primary" onclick="formSubmit();return false;">Submit</button>
      </form>
    </section>
  </div>

  <div id="viewLink" class="container" style="display: none;">
    <section class="py-4 py-xl-5 container">
      <div class="col-md-8 col-xl-6 text-center mx-auto">
        <h2 class="display-6 fw-bold"><a href="/" class="text-reset text-decoration-none">Gone Note</a></h2>
        <p class="text-muted">
          Here is the link to your self-destructing note. It will stop working once your note's view or time limit is
          reached.
        </p>
      </div>
      <form class="col-md-8 col-xl-6 text-center mx-auto">
        <div class="form-group">
          <label for="link">Link to the note:</label>
          <input type="text" class="form-control" id="link" onclick="selectAll('link');">
        </div>
        <div id="buttonCopyNote">
          <br />
          <button type="submit" class="btn btn-primary" onclick="copyAll('link');return false">Copy Link</button>
        </div>
      </form>
    </section>
  </div>

  <div id="viewNote" class="container" style="display: none;">
    <section class="py-4 py-xl-5 container">
      <div class="col-md-8 col-xl-6 text-center mx-auto">
        <h2 class="display-6 fw-bold"><a href="/" class="text-reset text-decoration-none">Gone Note</a></h2>
        <p class="text-muted">
        <p id="clickBelow">Click below, if you want to access your self-destructing note.</p>
        </p>
        <div id="buttonRead">
          <button type="submit" class="btn btn-primary" onclick="buttonRead();return false">Read Note</button>
        </div>
      </div>
      <div id="decryptedField" style="display: none;">
        <form class="col-md-8 col-xl-6 text-center mx-auto">
          <div class="form-group">
            <p>Here is your self-destructing note.</p>
            <p>If you need to keep it, copy it before closing this window.</p>
            <textarea class="form-control" id="noteDecrypted" rows="6" readonly
              onclick="selectAll('noteDecrypted'); this.onclick=null;"></textarea>
          </div>
          <br />
          <div id="buttonCopyNote">
            <button type="submit" class="btn btn-primary" onclick="copyAll('noteDecrypted');return false">Copy</button>
          </div>
        </form>
      </div>
    </section>
  </div>

  <div class="container text-center pt-3" id="statusMessage" style="display: none;">
    <div class="spinner-border" role="status"></div>
  </div>

  <script>
    document.getElementById('statusMessage').style.display = "none";

    function selectAll(id) {
      document.getElementById(id).focus();
      document.getElementById(id).select();
    };

    function copyAll(id) {
      const copyText = document.getElementById(id);
      copyText.select();
      copyText.setSelectionRange(0, 99999);
      navigator.clipboard.writeText(copyText.value);
    };

    const queryString = window.location.search;
    const urlParams = new URLSearchParams(queryString);

    if (urlParams.has("note") && urlParams.get("note") !== "" && urlParams.has("key") && urlParams.get("key") !== "") {
      document.getElementById('viewNote').style.display = "block";
      document.getElementById('viewForm').style.display = "none";
      document.getElementById('viewLink').style.display = "none";
    }

    const key = CryptoJS.enc.Hex.stringify(CryptoJS.lib.WordArray.random(16));

    function buttonRead() {
      document.getElementById('statusMessage').style.display = "block";
      fetchNoteGet();
    };

    function formSubmit() {
      document.getElementById('statusMessage').style.display = "block";
      fetchNotePost();
    };

    function fetchNotePost() {
      const url = 'https://gone-note.ml4den.workers.dev/';

      if (url !== null) {
        const noteEncrypted = CryptoJS.AES.encrypt(document.getElementById('noteClearText').value, key);
        const formData = new FormData();
        formData.append('note', noteEncrypted);
        formData.append('views', document.getElementById('views').value);
        formData.append('ttl', document.getElementById('ttl').value);

        fetch(url, {
          body: formData,
          method: "post",
        })
          .then(handleErrors)
          .then(function (response) {
            return response.json();
          })
          .then(function (jsonResponse) {
            // do something with jsonResponse
            document.getElementById("statusMessage").style.display = "none";
            document.getElementById("viewForm").style.display = "none";
            document.getElementById("viewLink").style.display = "block";
            document.getElementById('link').value = location.href + '?note=' + jsonResponse.id + '&key=' + key;
          })
          .catch(function (error) {
            console.log(error);
            document.getElementById("statusMessage").innerHTML = error;
          });
      }


    };

    function fetchNoteGet() {
      const url = 'https://gone-note.ml4den.workers.dev/' + '?id=' + urlParams.get("note");

      if (url !== null) {
        fetch(url)
          .then(handleErrors)
          .then(function (response) {
            return response.json();
          })
          .then(function (jsonResponse) {
            // do something with jsonResponse
            const decrypted = CryptoJS.AES.decrypt(jsonResponse.note, urlParams.get("key"));
            const noteDecrypted = decrypted.toString(CryptoJS.enc.Utf8);
            document.getElementById('noteDecrypted').value = noteDecrypted;
            document.getElementById("decryptedField").style.display = "block";
            document.getElementById("clickBelow").style.display = "none";
            document.getElementById("statusMessage").style.display = "none";
            document.getElementById("buttonRead").style.display = "none";
          })
          .catch(function (error) {
            console.log(error);
            document.getElementById("statusMessage").innerHTML = error;
          });
      }
    };

    function handleErrors(response) {
      if (!response.ok) {
        //document.getElementById("statusMessage").innerHTML = response.statusText;
        throw Error(response.status);
      }
      return response;
    };
  </script>
</body>

</html>