jak usunąć salt + sh1, Chciał bym stworzyć proste logowanie Opcje

[lipek80]

Witam

Chciał bym się pozbyć zabezpieczenia salt z poniższego kodu. Chciał bym, aby można było się zalogować na stronie za pośrednictwem hasła które jest zapisane w bazie danych. Nie musi być zakodowane.

[PHP] pobierz, plaintext 
<?php
 
define('AL_ADMIN', 256);
 
$AL_NAME = array(
		AL_ADMIN => 'Administrator'
);
 
$REGISTER_DENY = array();
$REGISTER_DENY[] = "root";
$REGISTER_DENY[] = "admin";
$REGISTER_DENY[] = "administrator";
$REGISTER_DENY[] = "moderator";
$REGISTER_DENY[] = "system";
$REGISTER_DENY[] = "serwis";
 
@session_set_cookie_params(0);
@session_start();
 
include(dirname(__FILE__) . '/../salt/salt.php');
 
function user_login($login = null, $password = null, $encrypted = false) {
 
	global $db;
 
	if (func_num_args() == 0) {
 
		if (!my_login() || !my_password())
			return 'Nie odnaleziono informacji o koncie w bieżącej sesji';
 
		$login = my_login();
		$password = my_password();
	} else
		$password = $encrypted ? $password : salt($password);
 
	$user = $db->query("SELECT * FROM `users` WHERE LOWER(`login`) = LOWER('" . $db->escape_string($login) . "') AND `haslo` = '" . $db->escape_string($password) . "'")->fetch_assoc();
 
	if (!empty($user)) {
		if (!empty($user['zablokowany']))
			return 'Konto zablokowane';
		else if (!empty($user['usuniety']))
			return 'Konto usunięte';
	} else
		return 'Niepoprawny login / hasło';
 
	if (!my_id()) {
 
		my_logintime(time());
		my_lastactivity(time());
 
		@session_regenerate_id();
 
		$set = array();
		$set[] = "`ostatnia_aktywnosc` = '" . datetimeS(my_lastactivity()) . "'";
 
		$db->query("UPDATE `users` SET " . implode(',', $set) . " WHERE `id` = {$user['id']}");
	}
 
	my_id($user['id']);
	my_login($user['login']);
	my_password($user['haslo']);
 
	return true;
}
 
function loggedin() {
 
	if (user_login() === true)
		return true;
 
	return false;
}
 
function user_logout() {
 
	if (loggedin()) {
		my_id(null);
		my_login(null);
		my_password(null);
		my_logintime(null);
		my_lastactivity(null);
	}
}
 
function my_id($value = false) {
	/*
	 * @params: (none/false): return value
	 * @params: (null): unset value
	 * @params: (mixed) value: set (int) value
	 */
 
	if ($value === null)
		unset($_SESSION['my_id']);
	else if ($value !== false)
		$_SESSION['my_id'] = (int) $value;
 
	return isset($_SESSION['my_id']) ? $_SESSION['my_id'] : false;
}
 
function my_login($value = false) {
	/*
	 * @params: (none/false): return value
	 * @params: (null): unset value
	 * @params: (mixed) value: set value
	 */
 
	if ($value === null)
		unset($_SESSION['my_login']);
	else if ($value !== false)
		$_SESSION['my_login'] = $value;
 
	return isset($_SESSION['my_login']) ? $_SESSION['my_login'] : false;
}
 
function my_password($value = false) {
	/*
	 * @params: (none/false): return value
	 * @params: (null): unset value
	 * @params: (mixed) value: set value
	 */
 
	if ($value === null)
		unset($_SESSION['my_password']);
	else if ($value !== false)
		$_SESSION['my_password'] = $value;
 
	return isset($_SESSION['my_password']) ? $_SESSION['my_password'] : false;
}
 
function my_logintime($value = false) {
	/*
	 * @params: (none/false): return value
	 * @params: (null): unset value
	 * @params: (mixed) value: set value
	 */
 
	if ($value === null)
		unset($_SESSION['my_logintime']);
	else if ($value !== false)
		$_SESSION['my_logintime'] = $value;
 
	return isset($_SESSION['my_logintime']) ? $_SESSION['my_logintime'] : false;
}
 
function my_lastactivity($value = false) {
	/*
	 * @params: (none/false): return value
	 * @params: (null): unset value
	 * @params: (mixed) value: set value
	 */
 
	if ($value === null)
		unset($_SESSION['my_lastactivity']);
	else if ($value !== false)
		$_SESSION['my_lastactivity'] = $value;
 
	return isset($_SESSION['my_lastactivity']) ? $_SESSION['my_lastactivity'] : false;
}
 
function my_level() {
 
	if (!loggedin())
		return false;
 
	global $db;
 
	$r = $db->query("SELECT `level` FROM `users` WHERE `id` = " . my_id())->fetch_assoc();
 
	return $r ? $r['level'] : false;
}
 
function user_session() {
 
	global $db;
 
	if (!my_logintime() || !my_lastactivity())
		return false;
 
	if (my_id()) {
		my_lastactivity(time());
		$db->query("UPDATE `users` SET `ostatnia_aktywnosc` = '" . datetimeS(my_lastactivity()) . "' WHERE `id` = " . my_id());
	} else
		return false;
 
	return true;
}
 
function get_user($id, $opts = null) {
 
	$opts['where'][] = "`id` = '" . (int) $id . "'";
 
	$r = get_user_list($opts);
 
	return isset($r[0]) ? $r[0] : $r;
}
 
function get_user_list($opts = null) {
 
	$opts['select'][] = "*";
	$opts['from'][] = "`users`";
	if (empty($opts['order']))
		$opts['order'][] = "`id` DESC";
 
	return get_db_data($opts);
}
 
user_session();
?>
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