initial

2026-03-01 22:52:08 +07:00
commit 1244f3e2d5
63 changed files with 6075 additions and 0 deletions
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -0,0 +1,138 @@
+package config
+
+import (
+	"fmt"
+	"log/slog"
+	"os"
+
+	"git.eeqj.de/sneak/webhooker/internal/globals"
+	"git.eeqj.de/sneak/webhooker/internal/logger"
+	pkgconfig "git.eeqj.de/sneak/webhooker/pkg/config"
+	"go.uber.org/fx"
+
+	// spooky action at a distance!
+	// this populates the environment
+	// from a ./.env file automatically
+	// for development configuration.
+	// .env contents should be things like
+	// `DBURL=postgres://user:pass@.../`
+	// (without the backticks, of course)
+	_ "github.com/joho/godotenv/autoload"
+)
+
+const (
+	// EnvironmentDev represents development environment
+	EnvironmentDev = "dev"
+	// EnvironmentProd represents production environment
+	EnvironmentProd = "prod"
+	// DevSessionKey is an insecure default session key for development
+	// This is "webhooker-dev-session-key-insecure!" base64 encoded
+	DevSessionKey = "d2ViaG9va2VyLWRldi1zZXNzaW9uLWtleS1pbnNlY3VyZSE="
+)
+
+// nolint:revive // ConfigParams is a standard fx naming convention
+type ConfigParams struct {
+	fx.In
+	Globals *globals.Globals
+	Logger  *logger.Logger
+}
+
+type Config struct {
+	DBURL            string
+	Debug            bool
+	MaintenanceMode  bool
+	DevelopmentMode  bool
+	DevAdminUsername string
+	DevAdminPassword string
+	Environment      string
+	MetricsPassword  string
+	MetricsUsername  string
+	Port             int
+	SentryDSN        string
+	SessionKey       string
+	params           *ConfigParams
+	log              *slog.Logger
+}
+
+// IsDev returns true if running in development environment
+func (c *Config) IsDev() bool {
+	return c.Environment == EnvironmentDev
+}
+
+// IsProd returns true if running in production environment
+func (c *Config) IsProd() bool {
+	return c.Environment == EnvironmentProd
+}
+
+// nolint:revive // lc parameter is required by fx even if unused
+func New(lc fx.Lifecycle, params ConfigParams) (*Config, error) {
+	log := params.Logger.Get()
+
+	// Determine environment from WEBHOOKER_ENVIRONMENT env var, default to dev
+	environment := os.Getenv("WEBHOOKER_ENVIRONMENT")
+	if environment == "" {
+		environment = EnvironmentDev
+	}
+
+	// Validate environment
+	if environment != EnvironmentDev && environment != EnvironmentProd {
+		return nil, fmt.Errorf("WEBHOOKER_ENVIRONMENT must be either '%s' or '%s', got '%s'",
+			EnvironmentDev, EnvironmentProd, environment)
+	}
+
+	// Set the environment in the config package
+	pkgconfig.SetEnvironment(environment)
+
+	// Load configuration values
+	s := &Config{
+		DBURL:            pkgconfig.GetString("dburl"),
+		Debug:            pkgconfig.GetBool("debug"),
+		MaintenanceMode:  pkgconfig.GetBool("maintenanceMode"),
+		DevelopmentMode:  pkgconfig.GetBool("developmentMode"),
+		DevAdminUsername: pkgconfig.GetString("devAdminUsername"),
+		DevAdminPassword: pkgconfig.GetString("devAdminPassword"),
+		Environment:      pkgconfig.GetString("environment", environment),
+		MetricsUsername:  pkgconfig.GetString("metricsUsername"),
+		MetricsPassword:  pkgconfig.GetString("metricsPassword"),
+		Port:             pkgconfig.GetInt("port", 8080),
+		SentryDSN:        pkgconfig.GetSecretString("sentryDSN"),
+		SessionKey:       pkgconfig.GetSecretString("sessionKey"),
+		log:              log,
+		params:           &params,
+	}
+
+	// Validate database URL
+	if s.DBURL == "" {
+		return nil, fmt.Errorf("database URL (dburl) is required")
+	}
+
+	// In production, require session key
+	if s.IsProd() && s.SessionKey == "" {
+		return nil, fmt.Errorf("SESSION_KEY is required in production environment")
+	}
+
+	// In development mode, warn if using default session key
+	if s.IsDev() && s.SessionKey == DevSessionKey {
+		log.Warn("Using insecure default session key for development mode")
+	}
+
+	if s.Debug {
+		params.Logger.EnableDebugLogging()
+		s.log = params.Logger.Get()
+		log.Debug("Debug mode enabled")
+	}
+
+	// Log configuration summary (without secrets)
+	log.Info("Configuration loaded",
+		"environment", s.Environment,
+		"port", s.Port,
+		"debug", s.Debug,
+		"maintenanceMode", s.MaintenanceMode,
+		"developmentMode", s.DevelopmentMode,
+		"hasSessionKey", s.SessionKey != "",
+		"hasSentryDSN", s.SentryDSN != "",
+		"hasMetricsAuth", s.MetricsUsername != "" && s.MetricsPassword != "",
+	)
+
+	return s, nil
+}