Teststand

internal/config/config.go

@@ -0,0 +1,96 @@
+package config
+
+import (
+	"log"
+	"os"
+	"strconv"
+	"strings"
+	"time"
+)
+
+type Config struct {
+	Addr            string
+	SessionTTL      time.Duration
+	MaxUploadSize   int64
+	CookieSecure    bool
+	LogLevel        string
+	GitAllowedHosts []string
+}
+
+func Load() Config {
+	cfg := Config{
+		Addr:          envOrDefault("ADDR", ":8080"),
+		SessionTTL:    durationEnvOrDefault("SESSION_TTL", 30*time.Minute),
+		MaxUploadSize: int64(intEnvOrDefault("MAX_UPLOAD_SIZE", 5*1024*1024)),
+		CookieSecure:  boolEnvOrDefault("COOKIE_SECURE", true),
+		LogLevel:      envOrDefault("LOG_LEVEL", "info"),
+		GitAllowedHosts: csvEnvOrDefault("GIT_ALLOWED_HOSTS", []string{
+			"github.com",
+			"gitlab.com",
+			"bitbucket.org",
+		}),
+	}
+	return cfg
+}
+
+func envOrDefault(key, fallback string) string {
+	if value := os.Getenv(key); value != "" {
+		return value
+	}
+	return fallback
+}
+
+func intEnvOrDefault(key string, fallback int) int {
+	if value := os.Getenv(key); value != "" {
+		parsed, err := strconv.Atoi(value)
+		if err != nil {
+			log.Printf("invalid integer for %s: %v", key, err)
+			return fallback
+		}
+		return parsed
+	}
+	return fallback
+}
+
+func boolEnvOrDefault(key string, fallback bool) bool {
+	if value := os.Getenv(key); value != "" {
+		parsed, err := strconv.ParseBool(value)
+		if err != nil {
+			log.Printf("invalid boolean for %s: %v", key, err)
+			return fallback
+		}
+		return parsed
+	}
+	return fallback
+}
+
+func durationEnvOrDefault(key string, fallback time.Duration) time.Duration {
+	if value := os.Getenv(key); value != "" {
+		parsed, err := time.ParseDuration(value)
+		if err != nil {
+			log.Printf("invalid duration for %s: %v", key, err)
+			return fallback
+		}
+		return parsed
+	}
+	return fallback
+}
+
+func csvEnvOrDefault(key string, fallback []string) []string {
+	raw := strings.TrimSpace(os.Getenv(key))
+	if raw == "" {
+		return fallback
+	}
+	var out []string
+	for _, part := range strings.Split(raw, ",") {
+		host := strings.ToLower(strings.TrimSpace(part))
+		if host == "" {
+			continue
+		}
+		out = append(out, host)
+	}
+	if len(out) == 0 {
+		return fallback
+	}
+	return out
+}