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Update token.php

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This commit is contained in:
FusionPBX
2019-09-16 18:23:15 -06:00
committed by GitHub
parent 740f37e180
commit 7ed95878e5
1 changed files with 30 additions and 11 deletions
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resources/classes/token.php
+30 -11
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@@ -59,19 +59,38 @@ class token {
*/ */
public function create($key) { public function create($key) {
//allow only specific characters
$key = preg_replace('[^a-zA-Z0-9\-_@.\/]', '', $key);
//create a token and save in the token session array //create a token and save in the token session array
$_SESSION['tokens'][$key]['name'] = hash_hmac('sha256', $key, bin2hex(random_bytes(32))); $_SESSION['tokens'][$key]['name'] = hash_hmac('sha256', $key, bin2hex(random_bytes(32)));
$_SESSION['tokens'][$key]['hash'] = hash_hmac('sha256', $key, bin2hex(random_bytes(32))); $_SESSION['tokens'][$key]['hash'] = hash_hmac('sha256', $key, bin2hex(random_bytes(32)));
//send the hash //send the hash
return $_SESSION['tokens'][$key]['hash']; return $_SESSION['tokens'][$key];
} }
/** /**
* validate the token * validate the token
* @var string $key * @var string $key
*/ */
public function validate($key, $value) { public function validate($key, $value = null) {
//allow only specific characters
$key = preg_replace('[^a-zA-Z0-9]', '', $key);
//get the token name
$token_name = $_SESSION['tokens'][$key]['name'];
if (isset($_REQUEST[$token_name])) {
$value = $_REQUEST[$token_name];
}
else {
$value;
}
//limit the value to specific characters
$value = preg_replace('[^a-zA-Z0-9]', '', $value);
//compare the hashed tokens //compare the hashed tokens
if (hash_equals($_SESSION['tokens'][$key]['hash'], $value)) { if (hash_equals($_SESSION['tokens'][$key]['hash'], $value)) {
@@ -88,20 +107,20 @@ class token {
/* /*
//create token //create token
$token = new token; $object = new token;
$token_hash = $token->create('/app/users/user_edit.php'); $token = $object->create('/app/bridges/bridge_edit.php');
echo "<input type='hidden' name='token' value='".$token_hash."'>"; echo " <input type='hidden' name='".$token['name']."' value='".$token['hash']."'>\n";
//------------------------ //------------------------
//validate the token //validate the token
$token = new token; $token = new token;
$token_valid = $token->validate('/app/users/user_edit.php', $_POST['token']); if (!$token->validate('/app/bridges/bridge_edit.php')) {
if (!$token_valid) { $_SESSION["message"] = $text['message-invalid_token'];
echo "access denied"; header('Location: bridges.php');
exit; exit;
} }
*/ */