togethere.cloud/public_html/admin/user/settings/blocked-names/index.php

256 lines
8.9 KiB
PHP

<?php
declare(strict_types=1);
header('Content-Type: application/json; charset=utf-8');
header('Access-Control-Allow-Methods: POST, DELETE, OPTIONS');
header('Access-Control-Allow-Headers: Content-Type, Authorization');
if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
http_response_code(204);
exit;
}
if (session_status() !== PHP_SESSION_ACTIVE) {
require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/session_bootstrap.php';
}
require_once __DIR__ . '/../../../../administration/includes/config.php';
function blockedNamesRespond(array $payload, int $status): void
{
http_response_code($status);
echo json_encode($payload, JSON_UNESCAPED_UNICODE);
exit;
}
function getAuthorizationToken(): ?string
{
$header = '';
if (isset($_SERVER['HTTP_AUTHORIZATION'])) {
$header = trim((string)$_SERVER['HTTP_AUTHORIZATION']);
} elseif (isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])) {
$header = trim((string)$_SERVER['REDIRECT_HTTP_AUTHORIZATION']);
}
if ($header === '') {
return null;
}
if (preg_match('/^Bearer\s+(.+)$/i', $header, $matches)) {
return trim($matches[1]);
}
return null;
}
function tableExists(PDO $pdo, string $schema, string $table): bool
{
$stmt = $pdo->prepare('SELECT COUNT(*) FROM information_schema.tables WHERE table_schema = :schema AND table_name = :table');
$stmt->execute([
':schema' => $schema,
':table' => $table,
]);
return (int)$stmt->fetchColumn() > 0;
}
function getTableColumns(PDO $pdo, string $schema, string $table): array
{
$stmt = $pdo->prepare('SELECT COLUMN_NAME FROM information_schema.columns WHERE table_schema = :schema AND table_name = :table');
$stmt->execute([
':schema' => $schema,
':table' => $table,
]);
$columns = $stmt->fetchAll(PDO::FETCH_COLUMN);
return is_array($columns) ? $columns : [];
}
function resolveUserIdFromBearer(PDO $pdo, string $rawToken): ?int
{
$token = trim($rawToken);
if ($token === '') {
return null;
}
$schema = (string)$pdo->query('SELECT DATABASE()')->fetchColumn();
if ($schema === '') {
return null;
}
$candidates = [
['table' => 'remember_tokens', 'user' => 'user_id', 'token' => 'token', 'expires' => 'expires_at', 'revoked' => null],
['table' => 'user_tokens', 'user' => 'user_id', 'token' => 'token', 'expires' => 'expires_at', 'revoked' => 'revoked_at'],
['table' => 'api_tokens', 'user' => 'user_id', 'token' => 'token', 'expires' => 'expires_at', 'revoked' => 'revoked_at'],
['table' => 'access_tokens', 'user' => 'user_id', 'token' => 'token', 'expires' => 'expires_at', 'revoked' => 'revoked_at'],
['table' => 'auth_tokens', 'user' => 'user_id', 'token' => 'token', 'expires' => 'expires_at', 'revoked' => 'revoked_at'],
];
$hashes = [$token, hash('sha256', $token)];
foreach ($candidates as $candidate) {
if (!tableExists($pdo, $schema, $candidate['table'])) {
continue;
}
$columns = getTableColumns($pdo, $schema, $candidate['table']);
if (!in_array($candidate['user'], $columns, true) || !in_array($candidate['token'], $columns, true)) {
continue;
}
$sql = 'SELECT `' . $candidate['user'] . '` AS user_id FROM `' . $candidate['table'] . '` '
. 'WHERE `' . $candidate['token'] . '` IN (:raw, :sha)';
if ($candidate['expires'] !== null && in_array($candidate['expires'], $columns, true)) {
$sql .= ' AND (`' . $candidate['expires'] . '` IS NULL OR `' . $candidate['expires'] . '` > NOW())';
}
if ($candidate['revoked'] !== null && in_array($candidate['revoked'], $columns, true)) {
$sql .= ' AND `' . $candidate['revoked'] . '` IS NULL';
}
$sql .= ' ORDER BY user_id DESC LIMIT 1';
$stmt = $pdo->prepare($sql);
$stmt->execute([
':raw' => $hashes[0],
':sha' => $hashes[1],
]);
$userId = (int)($stmt->fetchColumn() ?: 0);
if ($userId > 0) {
return $userId;
}
}
return null;
}
function resolveAdminUserId(PDO $pdo): ?int
{
if (!empty($_SESSION['logged_in']) && !empty($_SESSION['role']) && $_SESSION['role'] === 'admin') {
$sessionUserId = isset($_SESSION['user_id']) ? (int)$_SESSION['user_id'] : 0;
if ($sessionUserId > 0) {
return $sessionUserId;
}
$sessionUsername = isset($_SESSION['username']) ? trim((string)$_SESSION['username']) : '';
if ($sessionUsername !== '') {
$stmt = $pdo->prepare('SELECT id FROM users WHERE username = :u AND role = :role LIMIT 1');
$stmt->execute([
':u' => $sessionUsername,
':role' => 'admin',
]);
$resolvedId = (int)($stmt->fetchColumn() ?: 0);
if ($resolvedId > 0) {
$_SESSION['user_id'] = $resolvedId;
return $resolvedId;
}
}
}
$token = getAuthorizationToken();
if ($token === null) {
return null;
}
$tokenUserId = resolveUserIdFromBearer($pdo, $token);
if ($tokenUserId === null) {
return null;
}
$stmt = $pdo->prepare('SELECT id FROM users WHERE id = :id AND role = :role LIMIT 1');
$stmt->execute([
':id' => $tokenUserId,
':role' => 'admin',
]);
$adminId = (int)($stmt->fetchColumn() ?: 0);
return $adminId > 0 ? $adminId : null;
}
function ensureBlockedUsernamesTable(PDO $pdo): void
{
$pdo->exec(
"CREATE TABLE IF NOT EXISTS blocked_usernames (
id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
name VARCHAR(20) NOT NULL,
created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
created_by INT NULL,
UNIQUE KEY unique_blocked_username (name),
KEY idx_blocked_created_by (created_by)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci"
);
}
$requestMethod = $_SERVER['REQUEST_METHOD'] ?? 'GET';
if (!in_array($requestMethod, ['POST', 'DELETE'], true)) {
blockedNamesRespond(['message' => 'Metoda niedozwolona. Użyj POST lub DELETE.'], 405);
}
if (!isset($pdo) || !($pdo instanceof PDO)) {
blockedNamesRespond(['message' => 'Błąd połączenia z bazą danych.'], 500);
}
$adminId = resolveAdminUserId($pdo);
if ($adminId === null) {
blockedNamesRespond(['message' => 'Brak autoryzacji administratora.'], 401);
}
$rawBody = file_get_contents('php://input');
$body = json_decode((string)$rawBody, true);
if (!is_array($body)) {
blockedNamesRespond(['message' => 'Nieprawidłowy JSON.'], 400);
}
try {
ensureBlockedUsernamesTable($pdo);
if ($requestMethod === 'DELETE') {
$blockedId = (int)($body['id'] ?? 0);
if ($blockedId <= 0) {
blockedNamesRespond(['message' => 'Nieprawidłowy identyfikator blokady.'], 400);
}
$deleteStmt = $pdo->prepare('DELETE FROM blocked_usernames WHERE id = :id LIMIT 1');
$deleteStmt->execute([':id' => $blockedId]);
if ($deleteStmt->rowCount() < 1) {
blockedNamesRespond(['message' => 'Nie znaleziono wskazanej zablokowanej nazwy.'], 404);
}
blockedNamesRespond(['message' => 'Nazwa użytkownika została usunięta z listy zablokowanych.'], 200);
}
$name = trim((string)($body['name'] ?? ''));
if ($name === '') {
blockedNamesRespond(['message' => 'Nazwa użytkownika nie może być pusta.'], 400);
}
if (!preg_match('/^[A-Za-z0-9_&!]{1,20}$/', $name)) {
blockedNamesRespond(['message' => 'Niepoprawny format nazwy użytkownika.'], 400);
}
$existsBlockedStmt = $pdo->prepare('SELECT id FROM blocked_usernames WHERE name = :name LIMIT 1');
$existsBlockedStmt->execute([':name' => $name]);
$alreadyBlocked = (bool)$existsBlockedStmt->fetchColumn();
$existsUserStmt = $pdo->prepare('SELECT id FROM users WHERE username = :name AND (disabled IS NULL OR disabled = 0) LIMIT 1');
$existsUserStmt->execute([':name' => $name]);
$alreadyUser = (bool)$existsUserStmt->fetchColumn();
if ($alreadyBlocked || $alreadyUser) {
blockedNamesRespond(['message' => 'Nazwa jest już zablokowana lub istnieje jako aktywny użytkownik.'], 409);
}
$insertStmt = $pdo->prepare('INSERT INTO blocked_usernames (name, created_by) VALUES (:name, :created_by)');
$insertStmt->execute([
':name' => $name,
':created_by' => $adminId,
]);
blockedNamesRespond(['message' => 'Nazwa użytkownika została zablokowana pomyślnie.'], 201);
} catch (Throwable $e) {
blockedNamesRespond(['message' => 'Błąd serwera podczas zapisu blokady.'], 500);
}