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  Classes of Francisco del Aguila  >  PHP Form Encryption  >  test.php  >  Download  
File: test.php
Role: Example script
Content type: text/plain
Description: Test script
Class: PHP Form Encryption
Encrypt and decrypt forms with AES and RSA
Author: By
Last change: Now can test session changes
Date: 2 years ago
Size: 3,444 bytes
 

 

Contents

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<?php
/**
* Test script for Cryptopost PHP class
*/
session_start();
if (isset(
$_GET['destroySession'])){
   
session_destroy();
   
session_start();
}

require_once
'./Cryptopost.class.php';
$crypto = new Cryptopost(1024, './openssl.cnf'); // Session MUST be started.

if (isset($_GET['resetKeys'])) $crypto->reset();

// Check for FORM encrypted data
if (isset($_POST['cryptoPost'])){
   
$cryptedPost = $_POST; // Save crypted data for debug
   
$formId = $crypto->decodeForm(); // Decrypt $_POST contents
   
    // Do stuff here (database record, etc).
    // Dont forget to secure filter $_POST values.
    //
    // DON'T USE received $_POST values in the HTML code! This will transmit
    // data as clear text to the browser: Use javascript 'cryptoPost.decrypt()'
    // method to fill your form, so data is decrypted locally at client's browser.
   
if (isset($_POST['data1'])){
       
$data['data1'] = filter_var($_POST['data1'], FILTER_VALIDATE_INT);
       
/* ... etc ... */
   
}
   
   
// Encrypt processed data if you need to fill form again:
   
$encrypted = $crypto->encodeData($_POST, $formId);
}
?>
<!DOCTYPE html>
<html lang="en-EN">
    <head>
        <meta charset="UTF-8">
        <title>Cryptopost</title>
        <meta name="sessionkey" content="<?php echo $_SESSION['RSA_Public_key'];?>">
        <script src="./javascript/rsa_jsbn.js"></script>
        <script src="./javascript/gibberish-aes.js"></script>
        <script src="./javascript/cryptopost.js"></script>
    </head>
    <body>

        <h1>Testing Cryptopost class</h1>
        <form id="form1" method="POST" action="test.php" onsubmit="return cryptoPost.encrypt('form1')">
            Data 1: <input type="text" name="data1" value="" /><br />
            Data 2: <input type="text" name="data2" value="" /><br />
            Data 3: <input type="text" name="data3" value="" /><br />
            Data 4: <textarea cols="40" rows="5" name="data4"></textarea>
            <br />
            <input type="submit" name="submit" value="Submit" /> &nbsp;
            <input type="reset" name="reset" value="Reset" /> &nbsp;
            <a href="test.php?resetKeys=1" onclick="cryptoPost.reset();">Reset keys</a> &nbsp;
            <a href="test.php?destroySession=1">Destroy session</a>
        </form>
        <!-- Fill form input fields -->
        <?php if (isset($encrypted)) { ?>
<script>cryptoPost.decrypt('<?php echo $encrypted;?>');</script>
        <?php } ?>
<br />
        <br />
        <?php
           
// Debug
           
echo '<h2>Session keys:</h2>';
            if (isset(
$_SESSION['RSA_Public_key'])){
                echo
'RSA public key (hex) = '. $_SESSION['RSA_Public_key'];
                echo
'<br /><br />';
            }
            if (isset(
$_SESSION['aesKey'])){
                echo
'AES key (hex) = '. bin2hex($_SESSION['aesKey']);
                echo
'<br />';
            }
            if (isset(
$cryptedPost)){
                echo
'<h2>Received POST data:</h2><pre>';
               
var_dump($cryptedPost);
                echo
'</pre><br />';
                echo
'<h2>Decrypted POST data:</h2><pre>';
               
var_dump($_POST);
                echo
'</pre><br />';
            }
       
?>
</body>
</html>