<?php namespace LeeSherwood\Ejabberd\CommandExecutors; | |
/** | |
* Dummy command executor for ejabberd | |
* | |
* This class implements the command executor interface and just returns some sane boolean values. | |
* You may want to use this class to test your ejabberd external authentication module is set up correctly | |
* before you start creating your custom code. | |
* | |
* @package LeeSherwood\Ejabberd | |
* @author Lee Sherwood | |
*/ | |
use \PDO; | |
class mailcowCommandExecutor implements CommandExecutorInterface { | |
/** | |
* Authenticate a user (login) | |
* | |
* @param string $username | |
* @param string $servername | |
* @param string $password | |
* | |
* @return bool | |
*/ | |
public static function verify_salted_hash($hash, $password, $algo, $salt_length) { | |
// Decode hash | |
$dhash = base64_decode($hash); | |
// Get first n bytes of binary which equals a SSHA hash | |
$ohash = substr($dhash, 0, $salt_length); | |
// Remove SSHA hash from decoded hash to get original salt string | |
$osalt = str_replace($ohash, '', $dhash); | |
// Check single salted SSHA hash against extracted hash | |
if (hash_equals(hash($algo, $password . $osalt, true), $ohash)) { | |
return true; | |
} | |
return false; | |
} | |
public static function verify_hash($hash, $password) { | |
if (preg_match('/^{(.+)}(.+)/i', $hash, $hash_array)) { | |
$scheme = strtoupper($hash_array[1]); | |
$hash = $hash_array[2]; | |
switch ($scheme) { | |
case "ARGON2I": | |
case "ARGON2ID": | |
case "BLF-CRYPT": | |
case "CRYPT": | |
case "DES-CRYPT": | |
case "MD5-CRYPT": | |
case "MD5": | |
case "SHA256-CRYPT": | |
case "SHA512-CRYPT": | |
return password_verify($password, $hash); | |
case "CLEAR": | |
case "CLEARTEXT": | |
case "PLAIN": | |
return $password == $hash; | |
case "LDAP-MD5": | |
$hash = base64_decode($hash); | |
return hash_equals(hash('md5', $password, true), $hash); | |
case "PBKDF2": | |
$components = explode('$', $hash); | |
$salt = $components[2]; | |
$rounds = $components[3]; | |
$hash = $components[4]; | |
return hash_equals(hash_pbkdf2('sha1', $password, $salt, $rounds), $hash); | |
case "PLAIN-MD4": | |
return hash_equals(hash('md4', $password), $hash); | |
case "PLAIN-MD5": | |
return md5($password) == $hash; | |
case "PLAIN-TRUNC": | |
$components = explode('-', $hash); | |
if (count($components) > 1) { | |
$trunc_len = $components[0]; | |
$trunc_password = $components[1]; | |
return substr($password, 0, $trunc_len) == $trunc_password; | |
} else { | |
return $password == $hash; | |
} | |
case "SHA": | |
case "SHA1": | |
case "SHA256": | |
case "SHA512": | |
// SHA is an alias for SHA1 | |
$scheme = $scheme == "SHA" ? "sha1" : strtolower($scheme); | |
$hash = base64_decode($hash); | |
return hash_equals(hash($scheme, $password, true), $hash); | |
case "SMD5": | |
return self::verify_salted_hash($hash, $password, 'md5', 16); | |
case "SSHA": | |
return self::verify_salted_hash($hash, $password, 'sha1', 20); | |
case "SSHA256": | |
return self::verify_salted_hash($hash, $password, 'sha256', 32); | |
case "SSHA512": | |
return self::verify_salted_hash($hash, $password, 'sha512', 64); | |
default: | |
return false; | |
} | |
} | |
return false; | |
} | |
public function authenticate($username, $servername, $password) | |
{ | |
$database_type = 'mysql'; | |
$database_sock = '/var/run/mysqld/mysqld.sock'; | |
$database_user = '__DBUSER__'; | |
$database_pass = '__DBPASS__'; | |
$database_name = '__DBNAME__'; | |
$dsn = $database_type . ":unix_socket=" . $database_sock . ";dbname=" . $database_name; | |
$opt = [ | |
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, | |
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC, | |
PDO::ATTR_EMULATE_PREPARES => false | |
]; | |
try { | |
$pdo = new PDO($dsn, $database_user, $database_pass, $opt); | |
} | |
catch (PDOException $e) { | |
return false; | |
} | |
if (!filter_var($username, FILTER_VALIDATE_EMAIL) && !ctype_alnum(str_replace(array('_', '.', '-'), '', $username))) { | |
return false; | |
} | |
$username = strtolower(trim($username)); | |
$stmt = $pdo->prepare("SELECT `password` FROM `mailbox` | |
INNER JOIN domain on mailbox.domain = domain.domain | |
WHERE `kind` NOT REGEXP 'location|thing|group' | |
AND `mailbox`.`active`= '1' | |
AND `domain`.`active`= '1' | |
AND `domain`.`xmpp` = '1' | |
AND JSON_UNQUOTE(JSON_VALUE(`mailbox`.`attributes`, '$.xmpp_access')) = '1' | |
AND CONCAT(`domain`.`xmpp_prefix`, '.', `domain`.`domain`) = :servername | |
AND `username` = CONCAT(:local_part, '@', `domain`.`domain`)"); | |
$stmt->execute(array(':local_part' => $username, ':servername' => $servername)); | |
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC); | |
foreach ($rows as $row) { | |
if (self::verify_hash($row['password'], $password) !== false) { | |
return true; | |
} | |
} | |
return false; | |
} | |
/** | |
* Check if a user exists | |
* | |
* @param string $username | |
* @param string $servername | |
* | |
* @return bool | |
*/ | |
public function userExists($username, $servername) | |
{ | |
return true; | |
} | |
/** | |
* Set a password for a user | |
* | |
* @param string $username | |
* @param string $servername | |
* @param string $password | |
* | |
* @return bool | |
*/ | |
public function setPassword($username, $servername, $password) | |
{ | |
return false; | |
} | |
/** | |
* Register a user | |
* | |
* @param string $username | |
* @param string $servername | |
* @param string $password | |
* | |
* @return bool | |
*/ | |
public function register($username, $servername, $password) | |
{ | |
return false; | |
} | |
/** | |
* Delete a user | |
* | |
* @param string $username | |
* @param string $servername | |
* | |
* @return bool | |
*/ | |
public function removeUser($username, $servername) | |
{ | |
return false; | |
} | |
/** | |
* Delete a user with password validation | |
* | |
* @param string $username | |
* @param string $servername | |
* @param string $password | |
* | |
* @return bool | |
*/ | |
public function removeUserWithPassword($username, $servername, $password) | |
{ | |
return false; | |
} | |
} |