feat: add http cache for static files (#395)

* feat: add http cache for static files

fix #392

* minor typo fix
This commit is contained in:
CzBiX
2025-10-08 23:58:22 +08:00
committed by GitHub
parent 5b7bda3378
commit 76f2014444

View File

@@ -1,10 +1,12 @@
package middleware
import (
"fmt"
"io/fs"
"net/http"
"os"
"strings"
"time"
"tinyauth/internal/assets"
"github.com/gin-gonic/gin"
@@ -27,14 +29,16 @@ func (m *UIMiddleware) Init() error {
}
m.uiFs = ui
m.uiFileServer = http.FileServer(http.FS(ui))
m.uiFileServer = http.FileServerFS(ui)
return nil
}
func (m *UIMiddleware) Middleware() gin.HandlerFunc {
return func(c *gin.Context) {
switch strings.Split(c.Request.URL.Path, "/")[1] {
path := strings.TrimPrefix(c.Request.URL.Path, "/")
switch strings.SplitN(path, "/", 2)[0] {
case "api":
c.Next()
return
@@ -42,12 +46,19 @@ func (m *UIMiddleware) Middleware() gin.HandlerFunc {
c.Next()
return
default:
_, err := fs.Stat(m.uiFs, strings.TrimPrefix(c.Request.URL.Path, "/"))
_, err := fs.Stat(m.uiFs, path)
// Enough for one authentication flow
maxAge := 15 * time.Minute
if os.IsNotExist(err) {
c.Request.URL.Path = "/"
} else if strings.HasPrefix(path, "assets/") {
// assets are named with a hash and can be cached for a long time
maxAge = 30 * 24 * time.Hour
}
c.Writer.Header().Set("Cache-Control", fmt.Sprintf("public, max-age=%d", int(maxAge.Seconds())))
m.uiFileServer.ServeHTTP(c.Writer, c.Request)
c.Abort()
return