Untitled

<html>
  <head>
    <title>S3 POST Form</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  </head>

  <body>
    <form action="https://<my bucket>.s3.amazonaws.com/" method="post" enctype="multipart/form-data">
      <input type="hidden" name="key" value="${filename}">
      <input type="hidden" name="AWSAccessKeyId" value="<my id>">
      <input type="hidden" name="acl" value="private">
      <input type="hidden" name="policy" value="<base64-encoded policy>">
      <input type="hidden" name="signature" value="<signed with the secret key and then base64-encoded>">
      <!-- Include any additional input fields here -->

      File to upload to S3:
      <input name="file" type="file">
      <br>
      <input type="submit" value="Upload File to S3">
    </form>
  </body>
</html>