Fix mime-type detection for HTTP server (#18370)

Bypass the unstable behavior of Golang's mime.TypeByExtension

1 files changed, 0 insertions, 93 deletions

diff --git a/modules/public/static.go b/modules/public/static.go
deleted file mode 100644
index d373c712ee..0000000000
--- a/modules/public/static.go
+++ /dev/null
@@ -1,93 +0,0 @@
-// Copyright 2016 The Gitea Authors. All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-
-//go:build bindata
-// +build bindata
-
-package public
-
-import (
-	"bytes"
-	"compress/gzip"
-	"io"
-	"mime"
-	"net/http"
-	"os"
-	"path/filepath"
-	"time"
-
-	"code.gitea.io/gitea/modules/log"
-	"code.gitea.io/gitea/modules/timeutil"
-)
-
-// GlobalModTime provide a global mod time for embedded asset files
-func GlobalModTime(filename string) time.Time {
-	return timeutil.GetExecutableModTime()
-}
-
-func fileSystem(dir string) http.FileSystem {
-	return Assets
-}
-
-func Asset(name string) ([]byte, error) {
-	f, err := Assets.Open("/" + name)
-	if err != nil {
-		return nil, err
-	}
-	defer f.Close()
-	return io.ReadAll(f)
-}
-
-func AssetNames() []string {
-	realFS := Assets.(vfsgen۰FS)
-	results := make([]string, 0, len(realFS))
-	for k := range realFS {
-		results = append(results, k[1:])
-	}
-	return results
-}
-
-func AssetIsDir(name string) (bool, error) {
-	if f, err := Assets.Open("/" + name); err != nil {
-		return false, err
-	} else {
-		defer f.Close()
-		if fi, err := f.Stat(); err != nil {
-			return false, err
-		} else {
-			return fi.IsDir(), nil
-		}
-	}
-}
-
-// serveContent serve http content
-func serveContent(w http.ResponseWriter, req *http.Request, fi os.FileInfo, modtime time.Time, content io.ReadSeeker) {
-	encodings := parseAcceptEncoding(req.Header.Get("Accept-Encoding"))
-	if encodings["gzip"] {
-		if cf, ok := fi.(*vfsgen۰CompressedFileInfo); ok {
-			rd := bytes.NewReader(cf.GzipBytes())
-			w.Header().Set("Content-Encoding", "gzip")
-			ctype := mime.TypeByExtension(filepath.Ext(fi.Name()))
-			if ctype == "" {
-				// read a chunk to decide between utf-8 text and binary
-				var buf [512]byte
-				grd, _ := gzip.NewReader(rd)
-				n, _ := io.ReadFull(grd, buf[:])
-				ctype = http.DetectContentType(buf[:n])
-				_, err := rd.Seek(0, io.SeekStart) // rewind to output whole file
-				if err != nil {
-					log.Error("rd.Seek error: %v", err)
-					http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
-					return
-				}
-			}
-			w.Header().Set("Content-Type", ctype)
-			http.ServeContent(w, req, fi.Name(), modtime, rd)
-			return
-		}
-	}
-
-	http.ServeContent(w, req, fi.Name(), modtime, content)
-	return
-}