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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace App\Middleware; |
| 6 | |
| 7 | use App\Domain\ErrorLog\Service\ErrorLogService; |
| 8 | use PDOException; |
| 9 | use Psr\Http\Message\ResponseInterface; |
| 10 | use Psr\Http\Message\ServerRequestInterface; |
| 11 | use Psr\Http\Server\MiddlewareInterface; |
| 12 | use Psr\Http\Server\RequestHandlerInterface; |
| 13 | use Throwable; |
| 14 | |
| 15 | /** |
| 16 | * Middleware that logs errors to the database. |
| 17 | * |
| 18 | * This middleware catches exceptions, logs them based on severity, |
| 19 | * then re-throws them for the ExceptionMiddleware to handle. |
| 20 | */ |
| 21 | final class ErrorLoggingMiddleware implements MiddlewareInterface |
| 22 | { |
| 23 | public function __construct( |
| 24 | private readonly ErrorLogService $errorLogService, |
| 25 | ) {} |
| 26 | |
| 27 | public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
| 28 | { |
| 29 | try { |
| 30 | return $handler->handle($request); |
| 31 | } catch (Throwable $exception) { |
| 32 | $this->logException($exception, $request); |
| 33 | throw $exception; |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | private function logException(Throwable $exception, ServerRequestInterface $request): void |
| 38 | { |
| 39 | try { |
| 40 | // Determine log level based on an exception type |
| 41 | $level = $this->determineLogLevel($exception); |
| 42 | |
| 43 | // Extract error code |
| 44 | $errorCode = $this->extractErrorCode($exception); |
| 45 | |
| 46 | // Get user info from request attributes (set by JwtAuthMiddleware) |
| 47 | $userId = $request->getAttribute('userId'); |
| 48 | $sessionId = $request->getAttribute('sessionId'); |
| 49 | |
| 50 | // Get request info |
| 51 | $serverParams = $request->getServerParams(); |
| 52 | $ipAddress = $this->getClientIp($serverParams); |
| 53 | $userAgent = $request->getHeaderLine('User-Agent') ?: null; |
| 54 | |
| 55 | // Get request body (will be sanitized by the service) |
| 56 | $requestBody = (array)$request->getParsedBody(); |
| 57 | |
| 58 | // Build context with additional useful info |
| 59 | $context = $this->buildContext($request, $exception); |
| 60 | |
| 61 | // Log the error |
| 62 | $this->errorLogService->log( |
| 63 | level: $level, |
| 64 | message: $exception->getMessage(), |
| 65 | errorCode: $errorCode, |
| 66 | exception: $exception, |
| 67 | requestUri: $request->getUri()->getPath(), |
| 68 | requestMethod: $request->getMethod(), |
| 69 | userId: $userId !== null ? (int)$userId : null, |
| 70 | sessionId: $sessionId !== null ? (int)$sessionId : null, |
| 71 | ipAddress: $ipAddress, |
| 72 | userAgent: $userAgent, |
| 73 | requestBody: count($requestBody) > 0 ? $requestBody : null, |
| 74 | context: $context |
| 75 | ); |
| 76 | } catch (Throwable $loggingException) { |
| 77 | // If logging fails, we don't want to mask the original exception |
| 78 | // Just silently fail - the original exception will still be thrown |
| 79 | // In production, you might want to log this to a file as a fallback |
| 80 | error_log('ErrorLoggingMiddleware failed: ' . $loggingException->getMessage()); |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | private function determineLogLevel(Throwable $exception): string |
| 85 | { |
| 86 | // Critical: Database connection issues, system failures |
| 87 | if ($exception instanceof PDOException) { |
| 88 | // Check if it's a connection issue vs a query issue |
| 89 | $code = $exception->getCode(); |
| 90 | if (is_string($code) && str_starts_with($code, '08')) { |
| 91 | // Connection exceptions (08xxx codes) |
| 92 | return 'critical'; |
| 93 | } |
| 94 | // Other database errors are regular errors |
| 95 | return 'error'; |
| 96 | } |
| 97 | |
| 98 | // Map exception class names to levels |
| 99 | $exceptionClass = $exception::class; |
| 100 | |
| 101 | // Validation errors are typically warnings (client errors) |
| 102 | if (str_contains($exceptionClass, 'InvalidArgumentException')) { |
| 103 | return 'warning'; |
| 104 | } |
| 105 | |
| 106 | // Domain exceptions (business logic violations) are notices |
| 107 | if (str_contains($exceptionClass, 'DomainException')) { |
| 108 | return 'notice'; |
| 109 | } |
| 110 | |
| 111 | // Authentication errors |
| 112 | if ( |
| 113 | str_contains($exceptionClass, 'Authentication') |
| 114 | || str_contains($exceptionClass, 'Unauthorized') |
| 115 | ) { |
| 116 | return 'warning'; |
| 117 | } |
| 118 | |
| 119 | // HTTP exceptions based on status code |
| 120 | if (method_exists($exception, 'getCode')) { |
| 121 | $code = $exception->getCode(); |
| 122 | if (is_int($code)) { |
| 123 | if ($code >= 500) { |
| 124 | return 'error'; |
| 125 | } |
| 126 | if ($code >= 400) { |
| 127 | return 'warning'; |
| 128 | } |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | // Default to error level |
| 133 | return 'error'; |
| 134 | } |
| 135 | |
| 136 | private function extractErrorCode(Throwable $exception): ?string |
| 137 | { |
| 138 | $code = $exception->getCode(); |
| 139 | |
| 140 | // PDO exceptions have SQLSTATE codes |
| 141 | if ($exception instanceof PDOException) { |
| 142 | return is_string($code) ? $code : (string)$code; |
| 143 | } |
| 144 | |
| 145 | // HTTP-like codes |
| 146 | if (is_int($code) && $code > 0) { |
| 147 | return (string)$code; |
| 148 | } |
| 149 | |
| 150 | // Extract from class name for custom exceptions |
| 151 | $className = $exception::class; |
| 152 | if (str_contains($className, 'NotFound')) { |
| 153 | return '404'; |
| 154 | } |
| 155 | if (str_contains($className, 'Unauthorized')) { |
| 156 | return '401'; |
| 157 | } |
| 158 | if (str_contains($className, 'Forbidden')) { |
| 159 | return '403'; |
| 160 | } |
| 161 | if (str_contains($className, 'Conflict')) { |
| 162 | return '409'; |
| 163 | } |
| 164 | |
| 165 | return null; |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * @param array<string, mixed> $serverParams |
| 170 | */ |
| 171 | private function getClientIp(array $serverParams): ?string |
| 172 | { |
| 173 | // Check for forwarded IP (behind proxy/load balancer) |
| 174 | $forwardedFor = $serverParams['HTTP_X_FORWARDED_FOR'] ?? null; |
| 175 | if ($forwardedFor !== null && $forwardedFor !== '') { |
| 176 | // Take the first IP in the chain |
| 177 | $ips = explode(',', $forwardedFor); |
| 178 | return trim($ips[0]); |
| 179 | } |
| 180 | |
| 181 | // Check for real IP header |
| 182 | $realIp = $serverParams['HTTP_X_REAL_IP'] ?? null; |
| 183 | if ($realIp !== null && $realIp !== '') { |
| 184 | return $realIp; |
| 185 | } |
| 186 | |
| 187 | // Fall back to remote address |
| 188 | return $serverParams['REMOTE_ADDR'] ?? null; |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * Build additional context for the error log. |
| 193 | * |
| 194 | * @param ServerRequestInterface $request |
| 195 | * @param Throwable $exception |
| 196 | * @return array<string, mixed> |
| 197 | */ |
| 198 | private function buildContext(ServerRequestInterface $request, Throwable $exception): array |
| 199 | { |
| 200 | $context = []; |
| 201 | |
| 202 | // Include route info if available |
| 203 | $route = $request->getAttribute('__route__'); |
| 204 | if ($route !== null && is_object($route) && method_exists($route, 'getName')) { |
| 205 | $context['routeName'] = $route->getName(); |
| 206 | } |
| 207 | |
| 208 | // Include route arguments |
| 209 | $routeArgs = $request->getAttribute('__routeArguments__'); |
| 210 | if ($routeArgs !== null && is_array($routeArgs) && count($routeArgs) > 0) { |
| 211 | $context['routeArgs'] = $routeArgs; |
| 212 | } |
| 213 | |
| 214 | // Include query parameters (excluding sensitive data) |
| 215 | $queryParams = $request->getQueryParams(); |
| 216 | if (count($queryParams) > 0) { |
| 217 | $context['queryParams'] = $queryParams; |
| 218 | } |
| 219 | |
| 220 | // Include exception class for easier filtering |
| 221 | $context['exceptionClass'] = $exception::class; |
| 222 | |
| 223 | // Include previous exception info if present |
| 224 | $previous = $exception->getPrevious(); |
| 225 | if ($previous !== null) { |
| 226 | $context['previousException'] = [ |
| 227 | 'class' => $previous::class, |
| 228 | 'message' => $previous->getMessage(), |
| 229 | 'code' => $previous->getCode(), |
| 230 | ]; |
| 231 | } |
| 232 | |
| 233 | return $context; |
| 234 | } |
| 235 | } |