feat: filebrowser with encfs

2024-09-03 00:26:36 +08:00
parent 14024c56a3
commit b0b9f70129
330 changed files with 44745 additions and 87 deletions
--- a/runner/runner.go
+++ b/runner/runner.go
@@ -0,0 +1,118 @@
+package runner
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"strings"
+
+	"github.com/filebrowser/filebrowser/v2/settings"
+	"github.com/filebrowser/filebrowser/v2/users"
+)
+
+// Runner is a commands runner.
+type Runner struct {
+	Enabled bool
+	*settings.Settings
+}
+
+// RunHook runs the hooks for the before and after event.
+func (r *Runner) RunHook(fn func() error, evt, path, dst string, user *users.User) error {
+	path = user.FullPath(path)
+	dst = user.FullPath(dst)
+
+	if r.Enabled {
+		if val, ok := r.Commands["before_"+evt]; ok {
+			for _, command := range val {
+				err := r.exec(command, "before_"+evt, path, dst, user)
+				if err != nil {
+					return err
+				}
+			}
+		}
+	}
+
+	err := fn()
+	if err != nil {
+		return err
+	}
+
+	if r.Enabled {
+		if val, ok := r.Commands["after_"+evt]; ok {
+			for _, command := range val {
+				err := r.exec(command, "after_"+evt, path, dst, user)
+				if err != nil {
+					return err
+				}
+			}
+		}
+	}
+
+	return nil
+}
+
+func (r *Runner) exec(raw, evt, path, dst string, user *users.User) error {
+	blocking := true
+
+	if strings.HasSuffix(raw, "&") {
+		blocking = false
+		raw = strings.TrimSpace(strings.TrimSuffix(raw, "&"))
+	}
+
+	command, err := ParseCommand(r.Settings, raw)
+	if err != nil {
+		return err
+	}
+
+	envMapping := func(key string) string {
+		switch key {
+		case "FILE":
+			return path
+		case "SCOPE":
+			return user.Scope
+		case "TRIGGER":
+			return evt
+		case "USERNAME":
+			return user.Username
+		case "DESTINATION":
+			return dst
+		default:
+			return os.Getenv(key)
+		}
+	}
+	for i, arg := range command {
+		if i == 0 {
+			continue
+		}
+
+		command[i] = os.Expand(arg, envMapping)
+	}
+
+	cmd := exec.Command(command[0], command[1:]...) //nolint:gosec
+	cmd.Env = append(os.Environ(), fmt.Sprintf("FILE=%s", path))
+	cmd.Env = append(cmd.Env, fmt.Sprintf("SCOPE=%s", user.Scope)) //nolint:gocritic
+	cmd.Env = append(cmd.Env, fmt.Sprintf("TRIGGER=%s", evt))
+	cmd.Env = append(cmd.Env, fmt.Sprintf("USERNAME=%s", user.Username))
+	cmd.Env = append(cmd.Env, fmt.Sprintf("DESTINATION=%s", dst))
+
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+
+	if !blocking {
+		log.Printf("[INFO] Nonblocking Command: \"%s\"", strings.Join(command, " "))
+		defer func() {
+			go func() {
+				err := cmd.Wait()
+				if err != nil {
+					log.Printf("[INFO] Nonblocking Command \"%s\" failed: %s", strings.Join(command, " "), err)
+				}
+			}()
+		}()
+		return cmd.Start()
+	}
+
+	log.Printf("[INFO] Blocking Command: \"%s\"", strings.Join(command, " "))
+	return cmd.Run()
+}