gnh1201/reasonableframework
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Create JCryption.php

Browse Source
This commit is contained in:
Namhyeon Go 2018-09-30 03:13:03 +09:00 committed by GitHub
parent 1b7f3dca03
commit d382983b37
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 101 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

101
vendor/jCryption/JCryption.php vendored Normal file
View File

@ -0,0 +1,101 @@
<?php
class JCryption
{
private $private_key_file;
private $public_key_file;
const SESSION_KEY = 'jCryptionKey';
const POST_KEY = 'jCryption';
public function __construct($public_key_file, $private_key_file)
{
$this->public_key_file = $public_key_file;
$this->private_key_file = $private_key_file;
if (!is_readable($this->private_key_file)) {
throw new Exception('Unable to read private key');
}
if (!is_readable($this->public_key_file)) {
throw new Exception('Unable to read public key');
}
$this->session_start();
}
public function getPublicKey()
{
Header('Content-type: application/json');
echo json_encode(array('publickey' => file_get_contents($this->public_key_file)));
exit();
}
public function handshake()
{
openssl_private_decrypt(base64_decode($_POST['key']), $key, file_get_contents($this->private_key_file));
$_SESSION[self::SESSION_KEY] = $key;
Header('Content-type: application/json');
echo json_encode(array('challenge' => sqAES::crypt($key, $key)));
exit();
}
public function decrypttest()
{
// set timezone just in case
date_default_timezone_set('UTC');
// Get some test data to encrypt, this is an ISO 8601 timestamp
$toEncrypt = date('c');
// get the key from the session
$key = $_SESSION[self::SESSION_KEY];
$encrypted = sqAES::crypt($key, $toEncrypt);
header('Content-type: application/json');
echo json_encode(
array(
'encrypted' => $encrypted,
'unencrypted' => $toEncrypt,
)
);
exit();
}
public static function decrypt()
{
self::session_start();
parse_str(sqAES::decrypt($_SESSION[self::SESSION_KEY], $_POST[self::POST_KEY]), $_POST);
//Can't unset the key here, it breaks bi-directional.
//unset($_SESSION[self::SESSION_KEY]);
unset($_REQUEST[self::POST_KEY]);
$_REQUEST = array_merge($_POST, $_REQUEST);
}
public function go()
{
if (isset($_GET['getPublicKey'])) {
$this->getPublicKey();
}
if (isset($_GET['handshake'])) {
$this->handshake();
}
if (isset($_GET['decrypttest'])) {
$this->decrypttest();
}
if (isset($_POST[self::POST_KEY])) {
$this->decrypt();
}
}
public static function session_start()
{
switch (session_status()) {
case PHP_SESSION_DISABLED :
throw new Exception('jCryption requires sessions');
break;
case PHP_SESSION_NONE :
session_start();
break;
}
}
}