Security hardening: Fix critical JWT, rate limiting, and deployment issues

LittleShop/LittleShop.csproj

@@ -33,6 +33,7 @@
     <PackageReference Include="NBitcoin" Version="7.0.37" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="WebPush" Version="1.0.12" />
+    <PackageReference Include="AspNetCoreRateLimit" Version="5.0.0" />
   </ItemGroup>
 
 </Project>

LittleShop/Program.cs

@@ -6,6 +6,7 @@ using LittleShop.Data;
 using LittleShop.Services;
 using FluentValidation;
 using Serilog;
+using AspNetCoreRateLimit;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -42,8 +43,58 @@ else
         options.UseSqlite(builder.Configuration.GetConnectionString("DefaultConnection")));
 }
 
+// Rate Limiting - protect anonymous endpoints
+builder.Services.AddMemoryCache();
+builder.Services.Configure<AspNetCoreRateLimit.IpRateLimitOptions>(options =>
+{
+    options.EnableEndpointRateLimiting = true;
+    options.StackBlockedRequests = false;
+    options.HttpStatusCode = 429;
+    options.RealIpHeader = "X-Real-IP";
+    options.ClientIdHeader = "X-ClientId";
+    options.GeneralRules = new List<AspNetCoreRateLimit.RateLimitRule>
+    {
+        new AspNetCoreRateLimit.RateLimitRule
+        {
+            Endpoint = "*/api/orders/by-identity/*",
+            Period = "1m",
+            Limit = 10
+        },
+        new AspNetCoreRateLimit.RateLimitRule
+        {
+            Endpoint = "*/api/orders/by-customer/*",
+            Period = "1m",
+            Limit = 10
+        },
+        new AspNetCoreRateLimit.RateLimitRule
+        {
+            Endpoint = "*",
+            Period = "1s",
+            Limit = 10
+        },
+        new AspNetCoreRateLimit.RateLimitRule
+        {
+            Endpoint = "*",
+            Period = "1m",
+            Limit = 100
+        }
+    };
+});
+builder.Services.AddSingleton<AspNetCoreRateLimit.IIpPolicyStore, AspNetCoreRateLimit.MemoryCacheIpPolicyStore>();
+builder.Services.AddSingleton<AspNetCoreRateLimit.IRateLimitCounterStore, AspNetCoreRateLimit.MemoryCacheRateLimitCounterStore>();
+builder.Services.AddSingleton<AspNetCoreRateLimit.IRateLimitConfiguration, AspNetCoreRateLimit.RateLimitConfiguration>();
+builder.Services.AddSingleton<AspNetCoreRateLimit.IProcessingStrategy, AspNetCoreRateLimit.AsyncKeyLockProcessingStrategy>();
+
 // Authentication - Cookie for Admin Panel, JWT for API
-var jwtKey = builder.Configuration["Jwt:Key"] ?? "ThisIsASuperSecretKeyForJWTAuthenticationThatIsDefinitelyLongerThan32Characters!";
+var jwtKey = builder.Configuration["Jwt:Key"];
+if (string.IsNullOrEmpty(jwtKey))
+{
+    Log.Fatal("🚨 SECURITY: Jwt:Key configuration is missing. Application cannot start securely.");
+    throw new InvalidOperationException(
+        "JWT:Key must be configured in environment variables or user secrets. " +
+        "Set the Jwt__Key environment variable or use: dotnet user-secrets set \"Jwt:Key\" \"<your-secure-key>\"");
+}
+
 var jwtIssuer = builder.Configuration["Jwt:Issuer"] ?? "LittleShop";
 var jwtAudience = builder.Configuration["Jwt:Audience"] ?? "LittleShop";
 
@@ -251,6 +302,9 @@ if (!app.Environment.IsDevelopment())
     app.UseHsts(); // Use HSTS for production security
 }
 
+// Add rate limiting middleware (after CORS, before authentication)
+app.UseIpRateLimiting();
+
 app.UseStaticFiles(); // Enable serving static files
 app.UseAuthentication();
 app.UseAuthorization();
@@ -299,8 +353,26 @@ using (var scope = app.Services.CreateScope())
 {
     var context = scope.ServiceProvider.GetRequiredService<LittleShopContext>();
 
-    // Ensure database is created (temporary while fixing migrations)
+    // Use proper migrations in production, EnsureCreated only for development/testing
+    if (app.Environment.IsProduction())
+    {
+        Log.Information("Production environment: Applying database migrations...");
+        try
+        {
+            context.Database.Migrate();
+            Log.Information("Database migrations applied successfully");
+        }
+        catch (Exception ex)
+        {
+            Log.Fatal(ex, "Database migration failed. Application cannot start.");
+            throw;
+        }
+    }
+    else
+    {
+        Log.Information("Development/Testing environment: Using EnsureCreated");
         context.Database.EnsureCreated();
+    }
     
     // Seed default admin user
     var authService = scope.ServiceProvider.GetRequiredService<IAuthService>();
@@ -310,10 +382,14 @@ using (var scope = app.Services.CreateScope())
     var dataSeeder = scope.ServiceProvider.GetRequiredService<IDataSeederService>();
     await dataSeeder.SeedSampleDataAsync();
 
-    // Seed system settings - enable test currencies for development
+    // Seed system settings - enable test currencies only in development
+    if (app.Environment.IsDevelopment())
+    {
+        Log.Information("Development environment: Enabling test currencies");
         var systemSettings = scope.ServiceProvider.GetRequiredService<ISystemSettingsService>();
         await systemSettings.SetTestCurrencyEnabledAsync("TBTC", true);
         await systemSettings.SetTestCurrencyEnabledAsync("TLTC", true);
+    }
 }
 
 Log.Information("LittleShop API starting up...");

force-upgrade-production-db.sh

@@ -1,28 +1,44 @@
 #!/bin/bash
-# Force upgrade production database - WARNING: This will DELETE all data!
+# Force upgrade production database - Preserves configuration and wallet data
-# Use this script when data is not critical and you need a clean migration
+# This script will recreate the database structure while keeping critical config
 
 set -e  # Exit on error
 
 PRODUCTION_DB_PATH="/opt/littleshop/littleshop-production.db"
 BACKUP_PATH="/opt/littleshop/backups/littleshop-production-backup-$(date +%Y%m%d_%H%M%S).db"
+CONFIG_EXPORT="/tmp/littleshop-config-export.sql"
 
-echo "🔧 Force Upgrade Production Database"
+echo "🔧 Force Upgrade Production Database (Preserving Config)"
-echo "====================================="
+echo "========================================================"
 echo ""
-echo "⚠️  WARNING: This will DELETE all existing data!"
 echo "📍 Database: $PRODUCTION_DB_PATH"
+echo "💾 Will preserve: SystemSettings, Users, BotRegistrations"
 echo ""
 
 # Create backups directory if it doesn't exist
 mkdir -p /opt/littleshop/backups
 
-# Backup existing database if it exists
+# Backup and export configuration if database exists
 if [ -f "$PRODUCTION_DB_PATH" ]; then
     echo "📦 Backing up existing database..."
     cp "$PRODUCTION_DB_PATH" "$BACKUP_PATH"
     echo "✅ Backup saved to: $BACKUP_PATH"
     echo ""
+
+    echo "💾 Exporting configuration data..."
+
+    # Export critical tables to SQL
+    sqlite3 "$PRODUCTION_DB_PATH" <<'EXPORT_SQL' > "$CONFIG_EXPORT"
+.mode insert SystemSettings
+SELECT * FROM SystemSettings WHERE 1=1;
+.mode insert Users
+SELECT * FROM Users WHERE 1=1;
+.mode insert BotRegistrations
+SELECT * FROM BotRegistrations WHERE 1=1;
+EXPORT_SQL
+
+    echo "✅ Configuration exported to: $CONFIG_EXPORT"
+    echo ""
 fi
 
 # Remove old database files
@@ -39,20 +55,42 @@ cd /opt/littleshop
 dotnet ef database update --project LittleShop.csproj
 
 if [ $? -eq 0 ]; then
+    echo "✅ Migrations applied successfully"
     echo ""
+
+    # Restore configuration data if export exists
+    if [ -f "$CONFIG_EXPORT" ]; then
+        echo "♻️  Restoring configuration data..."
+
+        # Import the exported data
+        sqlite3 "$PRODUCTION_DB_PATH" < "$CONFIG_EXPORT"
+
+        echo "✅ Configuration data restored"
+        echo "   - SystemSettings (wallet addresses, API keys)"
+        echo "   - Users (admin accounts)"
+        echo "   - BotRegistrations (Telegram bot config)"
+        echo ""
+
+        # Clean up export file
+        rm -f "$CONFIG_EXPORT"
+    fi
+
     echo "✅ Database successfully upgraded!"
-    echo "📋 All migrations applied successfully"
     echo ""
     echo "📊 Database info:"
     echo "   Path: $PRODUCTION_DB_PATH"
     echo "   Backup: $BACKUP_PATH"
     echo ""
     echo "🎉 Production database is now ready!"
+    echo ""
+    echo "⚠️  Note: Product catalog and orders were reset"
+    echo "    Configuration and users were preserved"
 else
     echo ""
     echo "❌ Migration failed!"
     echo "🔄 Restoring from backup..."
     cp "$BACKUP_PATH" "$PRODUCTION_DB_PATH"
     echo "✅ Backup restored"
+    rm -f "$CONFIG_EXPORT"
     exit 1
 fi