forked from Shiloh/githaven
92 lines
2.2 KiB
Go
92 lines
2.2 KiB
Go
// +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"
|
||
)
|
||
|
||
// Static implements the static handler for serving assets.
|
||
func Static(opts *Options) func(next http.Handler) http.Handler {
|
||
opts.FileSystem = Assets
|
||
// we don't need to pass the directory, because the directory var is only
|
||
// used when in the options there is no FileSystem.
|
||
return opts.staticHandler("")
|
||
}
|
||
|
||
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(500), 500)
|
||
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
|
||
}
|