WIP: Save current state - security subsystems, migrations, logging

aggregator-server/internal/logging/example_integration.go

@@ -0,0 +1,118 @@
+package logging
+
+// This file contains example code showing how to integrate the security logger
+// into various parts of the server application.
+
+import (
+	"github.com/Fimeg/RedFlag/aggregator-server/internal/config"
+	"github.com/Fimeg/RedFlag/aggregator-server/internal/models"
+	"github.com/google/uuid"
+	"github.com/jmoiron/sqlx"
+)
+
+// Example of how to initialize the security logger in main.go
+func ExampleInitializeSecurityLogger(cfg *config.Config, db *sqlx.DB) (*SecurityLogger, error) {
+	// Convert config to security logger config
+	secConfig := SecurityLogConfig{
+		Enabled:           cfg.SecurityLogging.Enabled,
+		Level:             cfg.SecurityLogging.Level,
+		LogSuccesses:      cfg.SecurityLogging.LogSuccesses,
+		FilePath:          cfg.SecurityLogging.FilePath,
+		MaxSizeMB:         cfg.SecurityLogging.MaxSizeMB,
+		MaxFiles:          cfg.SecurityLogging.MaxFiles,
+		RetentionDays:     cfg.SecurityLogging.RetentionDays,
+		LogToDatabase:     cfg.SecurityLogging.LogToDatabase,
+		HashIPAddresses:   cfg.SecurityLogging.HashIPAddresses,
+	}
+
+	// Create the security logger
+	securityLogger, err := NewSecurityLogger(secConfig, db)
+	if err != nil {
+		return nil, err
+	}
+
+	return securityLogger, nil
+}
+
+// Example of using the security logger in authentication handlers
+func ExampleAuthHandler(securityLogger *SecurityLogger, clientIP string) {
+	// Example: JWT validation failed
+	securityLogger.LogAuthJWTValidationFailure(
+		uuid.Nil, // Agent ID might not be known yet
+		"invalid.jwt.token",
+		"expired signature",
+	)
+
+	// Example: Unauthorized access attempt
+	securityLogger.LogUnauthorizedAccessAttempt(
+		clientIP,
+		"/api/v1/admin/users",
+		"insufficient privileges",
+		uuid.Nil,
+	)
+}
+
+// Example of using the security logger in command/verification handlers
+func ExampleCommandVerificationHandler(securityLogger *SecurityLogger, agentID, commandID uuid.UUID, signature string) {
+	// Simulate signature verification
+	signatureValid := false // In real code, this would be actual verification result
+
+	if !signatureValid {
+		securityLogger.LogCommandVerificationFailure(
+			agentID,
+			commandID,
+			"signature mismatch: expected X, got Y",
+		)
+	} else {
+		// Only log success if configured to do so
+		if securityLogger.config.LogSuccesses {
+			event := models.NewSecurityEvent(
+				"INFO",
+				models.SecurityEventTypes.CmdSignatureVerificationSuccess,
+				agentID,
+				"Command signature verification succeeded",
+			)
+			event.WithDetail("command_id", commandID.String())
+			securityLogger.Log(event)
+		}
+	}
+}
+
+// Example of using the security logger in update handlers
+func ExampleUpdateHandler(securityLogger *SecurityLogger, agentID uuid.UUID, updateData []byte, signature string) {
+	// Simulate update nonce validation
+	nonceValid := false // In real code, this would be actual validation
+
+	if !nonceValid {
+		securityLogger.LogNonceValidationFailure(
+			agentID,
+			"12345678-1234-1234-1234-123456789012",
+			"nonce not found in database",
+		)
+	}
+
+	// Simulate signature verification
+	signatureValid := false
+	if !signatureValid {
+		securityLogger.LogUpdateSignatureValidationFailure(
+			agentID,
+			"update-123",
+			"invalid signature format",
+		)
+	}
+}
+
+// Example of using the security logger on agent registration
+func ExampleAgentRegistrationHandler(securityLogger *SecurityLogger, clientIP string) {
+	securityLogger.LogAgentRegistrationFailed(
+		clientIP,
+		"invalid registration token",
+	)
+}
+
+// Example of checking if a private key is configured
+func ExampleCheckPrivateKey(securityLogger *SecurityLogger, cfg *config.Config) {
+	if cfg.SigningPrivateKey == "" {
+		securityLogger.LogPrivateKeyNotConfigured()
+	}
+}