mirror of
https://github.com/AuthMe/AuthMeReloaded.git
synced 2024-11-24 19:25:13 +01:00
68 lines
2.6 KiB
PHP
68 lines
2.6 KiB
PHP
<?php
|
|
/*****************************************************************************
|
|
* AuthMe website integration logic for SHA256 *
|
|
* -------------------------------- *
|
|
* Check with authme_check_password() whether the received username and *
|
|
* password match the AuthMe MySQL database. Don't forget to adjust the *
|
|
* database info in authme_get_hash(). *
|
|
* *
|
|
* Source: https://github.com/AuthMe-Team/AuthMeReloaded/ *
|
|
*****************************************************************************/
|
|
|
|
/**
|
|
* Entry point function to check supplied credentials against the AuthMe database.
|
|
*
|
|
* @param string $username the username
|
|
* @param string $password the password
|
|
* @return bool true iff the data is correct, false otherwise
|
|
*/
|
|
function authme_check_password($username, $password) {
|
|
if (is_scalar($username) && is_scalar($password)) {
|
|
$hash = authme_get_hash($username);
|
|
if ($hash) {
|
|
return authme_check_hash($password, $hash);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieves the hash associated with the given user from the database.
|
|
*
|
|
* @param string $username the username whose hash should be retrieved
|
|
* @return string|null the hash, or null if unavailable (e.g. username doesn't exist)
|
|
*/
|
|
function authme_get_hash($username) {
|
|
// Add here your database host, username, password and database name
|
|
$mysqli = new mysqli('HOST', 'USER', 'PWD', 'DB');
|
|
$authme_table = 'authme';
|
|
|
|
if (mysqli_connect_error()) {
|
|
printf('Could not connect to AuthMe database. Errno: %d, error: "%s"',
|
|
mysqli_connect_errno(), mysqli_connect_error());
|
|
} else {
|
|
$stmt = $mysqli->prepare("SELECT password FROM $authme_table WHERE username = ?");
|
|
$stmt->bind_param('s', $username);
|
|
$stmt->execute();
|
|
$stmt->bind_result($password);
|
|
if ($stmt->fetch()) {
|
|
return $password;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Checks the given clear-text password against the hash.
|
|
*
|
|
* @param string $password the clear-text password to check
|
|
* @param string $hash the hash to check the password against
|
|
* @return bool true iff the password matches the hash, false otherwise
|
|
*/
|
|
function authme_check_hash($password, $hash) {
|
|
// $SHA$salt$hash, where hash := sha256(sha256(password) . salt)
|
|
$parts = explode('$', $hash);
|
|
return count($parts) === 4
|
|
&& $parts[3] === hash('sha256', hash('sha256', $password) . $parts[2]);
|
|
}
|