gitea/modules/public/static.go

94 lines
2.2 KiB
Go
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

// 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
}