basic status page, move config into data dir

config/config.go

@@ -0,0 +1,68 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+var gitSHA string
+var buildDate string
+
+func GetDataDir() string {
+	value, exists := os.LookupEnv("YTDLP_SITE_DATA_DIR")
+	if exists {
+		return value
+	}
+	return "data"
+}
+
+func GetConfigDir() string {
+	return filepath.Join(GetDataDir(), "config")
+}
+
+func GetAdminInitialPassword() (string, error) {
+	key := "YTDLP_SITE_ADMIN_INITIAL_PASSWORD"
+	value, exists := os.LookupEnv(key)
+	if exists {
+		return value, nil
+	}
+	return "", fmt.Errorf("please set %s", key)
+}
+
+func GetSessionAuthKey() ([]byte, error) {
+	key := "YTDLP_SITE_SESSION_AUTH_KEY"
+	value, exists := os.LookupEnv(key)
+	if exists {
+		return []byte(value), nil
+	}
+	return []byte{}, fmt.Errorf("please set %s", key)
+}
+
+func GetSecure() bool {
+	key := "YTDLP_SITE_SECURE"
+	if value, exists := os.LookupEnv(key); exists {
+		lower := strings.ToLower(value)
+		if lower == "on" || lower == "1" || lower == "true" || lower == "yes" {
+			return true
+		}
+	}
+	return false
+}
+
+func GetGitSHA() string {
+	if gitSHA == "" {
+		return "<not provided>"
+	} else {
+		return gitSHA
+	}
+}
+
+func GetBuildDate() string {
+	if buildDate == "" {
+		return "<not provided>"
+	} else {
+		return buildDate
+	}
+}