feat: filebrowser with encfs

settings/settings.go

@@ -0,0 +1,83 @@
+package settings
+
+import (
+	"crypto/rand"
+	"log"
+	"strings"
+	"time"
+
+	"github.com/filebrowser/filebrowser/v2/rules"
+)
+
+const DefaultUsersHomeBasePath = "/users"
+
+// AuthMethod describes an authentication method.
+type AuthMethod string
+
+// Settings contain the main settings of the application.
+type Settings struct {
+	Key              []byte              `json:"key"`
+	Signup           bool                `json:"signup"`
+	CreateUserDir    bool                `json:"createUserDir"`
+	UserHomeBasePath string              `json:"userHomeBasePath"`
+	Defaults         UserDefaults        `json:"defaults"`
+	AuthMethod       AuthMethod          `json:"authMethod"`
+	Branding         Branding            `json:"branding"`
+	Tus              Tus                 `json:"tus"`
+	Commands         map[string][]string `json:"commands"`
+	Shell            []string            `json:"shell"`
+	Rules            []rules.Rule        `json:"rules"`
+}
+
+// GetRules implements rules.Provider.
+func (s *Settings) GetRules() []rules.Rule {
+	return s.Rules
+}
+
+// Server specific settings.
+type Server struct {
+	Root                  string `json:"root"`
+	BaseURL               string `json:"baseURL"`
+	Socket                string `json:"socket"`
+	TLSKey                string `json:"tlsKey"`
+	TLSCert               string `json:"tlsCert"`
+	Port                  string `json:"port"`
+	Address               string `json:"address"`
+	Log                   string `json:"log"`
+	EnableThumbnails      bool   `json:"enableThumbnails"`
+	ResizePreview         bool   `json:"resizePreview"`
+	EnableExec            bool   `json:"enableExec"`
+	TypeDetectionByHeader bool   `json:"typeDetectionByHeader"`
+	AuthHook              string `json:"authHook"`
+	TokenExpirationTime   string `json:"tokenExpirationTime"`
+}
+
+// Clean cleans any variables that might need cleaning.
+func (s *Server) Clean() {
+	s.BaseURL = strings.TrimSuffix(s.BaseURL, "/")
+}
+
+func (s *Server) GetTokenExpirationTime(fallback time.Duration) time.Duration {
+	if s.TokenExpirationTime == "" {
+		return fallback
+	}
+
+	duration, err := time.ParseDuration(s.TokenExpirationTime)
+	if err != nil {
+		log.Printf("[WARN] Failed to parse tokenExpirationTime: %v", err)
+		return fallback
+	}
+	return duration
+}
+
+// GenerateKey generates a key of 512 bits.
+func GenerateKey() ([]byte, error) {
+	b := make([]byte, 64) //nolint:gomnd
+	_, err := rand.Read(b)
+	// Note that err == nil only if we read len(b) bytes.
+	if err != nil {
+		return nil, err
+	}
+
+	return b, nil
+}