gitea/modules/public/static.go

89 lines
2.1 KiB
Go
Raw Blame History

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

//go:build bindata
// +build bindata
// 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.
package public
import (
"bytes"
"compress/gzip"
"io"
"io/ioutil"
"mime"
"net/http"
"os"
"path/filepath"
"time"
"code.gitea.io/gitea/modules/log"
)
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 ioutil.ReadAll(f)
}
func AssetNames() []string {
realFS := Assets.(vfsgen۰FS)
var 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
}