ch1p_io_web/lib/admin.php
2024-01-31 20:45:40 +03:00

52 lines
1.3 KiB
PHP

<?php
require_once 'lib/stored_config.php';
const ADMIN_SESSION_TIMEOUT = 86400 * 14;
const ADMIN_COOKIE_NAME = 'admin_key';
function is_admin(): bool {
static $is_admin = null;
if (is_null($is_admin))
$is_admin = _admin_verify_key();
return $is_admin;
}
function _admin_verify_key(): bool {
if (isset($_COOKIE[ADMIN_COOKIE_NAME])) {
$cookie = (string)$_COOKIE[ADMIN_COOKIE_NAME];
if ($cookie !== _admin_get_key())
admin_unset_cookie();
return true;
}
return false;
}
function admin_check_password(string $pwd): bool {
return salt_password($pwd) === scGet('admin_pwd');
}
function _admin_get_key(): string {
$admin_pwd_hash = scGet('admin_pwd');
return salt_password("$admin_pwd_hash|{$_SERVER['REMOTE_ADDR']}");
}
function admin_set_cookie(): void {
global $config;
$key = _admin_get_key();
setcookie(ADMIN_COOKIE_NAME, $key, time() + ADMIN_SESSION_TIMEOUT, '/', $config['cookie_host']);
}
function admin_unset_cookie(): void {
global $config;
setcookie(ADMIN_COOKIE_NAME, '', 1, '/', $config['cookie_host']);
}
function admin_log_auth(): void {
DB()->insert('admin_log', [
'ts' => time(),
'ip' => ip2ulong($_SERVER['REMOTE_ADDR']),
'ua' => $_SERVER['HTTP_USER_AGENT'] ?? '',
]);
}