Babies are free

backend/lib/extensions/request_context.dart

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+import 'dart:io';
+
+import 'package:dart_frog/dart_frog.dart';
+import 'package:dart_jsonwebtoken/dart_jsonwebtoken.dart';
+
+final String jwtSecret = Platform.environment['JWT_SECRET'] ?? 'googoogaga-key';
+
+extension RequestContextX on RequestContext {
+  String get userId {
+    final authHeader = request.headers['authorization'] ?? '';
+    final token = authHeader.replaceAll('Bearer ', '');
+    final jwt = JWT.verify(token, SecretKey(jwtSecret));
+    return jwt.payload['userId'] as String;
+  }
+}

backend/lib/middleware/auth_middleware.dart

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+import 'dart:io';
+import 'package:backend/extensions/request_context.dart';
+import 'package:dart_frog/dart_frog.dart';
+import 'package:dart_jsonwebtoken/dart_jsonwebtoken.dart';
+
+Middleware authMiddleware() {
+  return (handler) {
+    return (context) async {
+      // Get the authorization header
+      final authHeader = context.request.headers['authorization'];
+      if (authHeader == null || !authHeader.startsWith('Bearer ')) {
+        return Response(statusCode: HttpStatus.unauthorized);
+      }
+
+      final token = authHeader.substring(7);
+      try {
+        // Verify the JWT token
+        JWT.verify(
+          token,
+          SecretKey(jwtSecret),
+        );
+
+        // If verification successful, continue to the route handler
+        return handler(context);
+      } catch (e) {
+        return Response.json(
+          statusCode: HttpStatus.unauthorized,
+          body: {'error': e.toString()},
+        );
+      }
+    };
+  };
+}

backend/lib/store.dart

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+import 'package:shared_models/models/translation_request.dart';
+import 'package:shared_models/models/user.dart';
+
+class MemoryStore {
+  static final Map<String, TranslationRequest> _googooTranslations = {};
+  static final Map<String, TranslationRequest> _humanTranslations = {};
+  static final Map<String, User> _users = {};
+
+  // User methods
+  static User? getUser(String userId) => _users[userId];
+  static void addUser(User user) => _users[user.id] = user;
+
+  // Googoo translation methods
+  static TranslationRequest? getGoogooTranslation(String id, String userId) {
+    final translation = _googooTranslations[id];
+    if (translation?.userId != userId) return null;
+    return translation;
+  }
+
+  static void addGoogooTranslation(TranslationRequest translation) {
+    _googooTranslations[translation.id] = translation;
+  }
+
+  static List<TranslationRequest> getUserGoogooTranslations(String userId) {
+    return _googooTranslations.values.where((t) => t.userId == userId).toList();
+  }
+
+  // Human translation methods
+  static TranslationRequest? getHumanTranslation(String id, String userId) {
+    final translation = _humanTranslations[id];
+    if (translation?.userId != userId) return null;
+    return translation;
+  }
+
+  static void addHumanTranslation(TranslationRequest translation) {
+    _humanTranslations[translation.id] = translation;
+  }
+
+  static List<TranslationRequest> getUserHumanTranslations(String userId) {
+    return _humanTranslations.values.where((t) => t.userId == userId).toList();
+  }
+
+  // Cleanup methods
+  static void removeOldTranslations(Duration maxAge) {
+    final cutoffTime = DateTime.now().subtract(maxAge);
+    _googooTranslations.removeWhere(
+      (_, translation) => translation.timestamp.isBefore(cutoffTime),
+    );
+    _humanTranslations.removeWhere(
+      (_, translation) => translation.timestamp.isBefore(cutoffTime),
+    );
+  }
+
+  // For testing/development
+  static void clearAll() {
+    _googooTranslations.clear();
+    _humanTranslations.clear();
+    _users.clear();
+  }
+}