static.go RawHistoryFolder

1package handler
2
3import (
4	"io/fs"
5	"net/http"
6	"os"
7
8	"github.com/bnema/gordon/internal/server"
9	"github.com/labstack/echo/v4"
10)
11
12// NoDirFileSys restricts directory listing
13type NoDirFileSys struct {
14	fs http.FileSystem
15}
16
17func (nfs NoDirFileSys) Open(name string) (http.File, error) {
18	f, err := nfs.fs.Open(name)
19	if err != nil {
20		return nil, err
21	}
22
23	return NoDirFile{f}, nil
24}
25
26// NoDirFile restricts directory listing
27type NoDirFile struct {
28	http.File
29}
30
31func (f NoDirFile) Readdir(count int) ([]fs.FileInfo, error) {
32	// Disable directory listing
33	return nil, nil
34}
35
36// StaticRoute serves static files from the embedded filesystem
37func StaticRoute(c echo.Context, a *server.App) error {
38	// Set the cache-control header if we are not in dev mode
39	if os.Getenv("RUN_ENV") != "dev" {
40		c.Response().Header().Set("Cache-Control", "public, max-age=86400")
41	} else {
42		c.Response().Header().Set("Cache-Control", "no-cache")
43	}
44
45	// Convert fs.FS to http.FileSystem
46	httpFS := http.FS(a.PublicFS)
47
48	// Use custom file system wrapper to disable directory listing
49	noDirFS := NoDirFileSys{httpFS}
50
51	// Serve the file from the custom filesystem
52	publicFS := http.FileServer(noDirFS)
53	publicFS.ServeHTTP(c.Response(), c.Request())
54	return nil
55}