retrieve HTML content from XML document using the correct user input

I am looking to create a section of an HTML page that can only be accessed through a specific code. The page is coded using pure HTML, CSS, and JavaScript.

Here is the proposed logic:

  1. User inputs a string into a form
  2. Upon clicking the submit button, an xmlHttpRequest is triggered to check if the string matches the designated code
  3. If verified, another xmlHttpRequest is sent to retrieve the HTML content for the secret section of the page

The main concern is: How can I prevent users from easily inspecting the JavaScript code and gaining access to the XML files based on their file names?

Can this be achieved using pure AJAX, or is it necessary to implement a server-side script for code verification?

Also, in case a server-side script is necessary, what would be the most effective and straightforward way to implement this?

Answer №1

It seems like there might be a misunderstanding in your question. In point 2, you mentioned using AJAX requests to validate passwords, meaning that a server-side script is already involved in the verification process. If the server verifies the password successfully, you can simply send the confidential part of the web page back to the browser.

UPDATE: Based on your explanation, it appears that you have essentially answered your own question - you will need to develop a server-side script to handle this.

Answer №2

If you want to securely handle user passwords without relying on client-side scripts like JavaScript or AJAX, you can utilize a server-side script such as PHP. By setting up a form to submit the password to a PHP script for verification, you can ensure that the password is securely handled without exposing it to potential threats.

Here's a simplified example of how this can be implemented:

Include the following HTML code in your main page:

<iframe src="login.html"><p>Your browser does not support iframes.</p></iframe>

Set up the HTML form in a separate file named login.html:

<form action="secretpage.php" method="post">
<input type="password" name="pass">
<input type="submit">
</form>

Handle the password validation in secretpage.php using the following PHP code:

<?php
if($_POST['pass']=="mypassword")
{
 echo "<p>This is the secret part of the html page.</p>";
}
else
{
 echo "<p>Incorrect password.</p>";
}
?>

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