@app.route("/")

    def index():

        return jsonify(hello="world")

$content_message = "<p class='notification'>Please type in and confirm your new password.</p>"

               . '<form method="post" id="change_password" action="'.htmlspecialchars(

               . $_SERVER["PHP_SELF"]

               . '?id='

               . $id

               . '&code='

               . $code

               . ).'">'

​

.wrapper {

  display: flex;

}

div {

    justify-content: center;

}

​

public static String fileSha256ToBase64(File file) throws NoSuchAlgorithmException, IOException {

    byte[] data = Files.readAllBytes(file.toPath());

    MessageDigest digester = MessageDigest.getInstance("SHA-256");

    digester.update(data);

    return Base64.getEncoder().encodeToString(digester.digest());

}