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Improve vfsgen to not unzip bindata files but send to browser directly (#7109)

* Don't unzip files from bindata but send to browser directly

* remove dependent for httpgzip

* Add tests for parseAcceptEncoding

* Update docs for ENABLE_GZIP

* Fix bug

* Fix bug

Co-authored-by: zeripath <art27@cantab.net>
This commit is contained in:
Lunny Xiao 2020-12-24 12:25:17 +08:00 committed by GitHub
parent 87a0396719
commit 19ae6439b0
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 105 additions and 5 deletions

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@ -361,7 +361,7 @@ KEY_FILE = https/key.pem
STATIC_ROOT_PATH =
; Default path for App data
APP_DATA_PATH = data
; Application level GZIP support
; Enable gzip compression for runtime-generated content, static resources excluded
ENABLE_GZIP = false
; Application profiling (memory and cpu)
; For "web" command it listens on localhost:6060

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@ -264,7 +264,7 @@ Values containing `#` or `;` must be quoted using `` ` `` or `"""`.
- `STATIC_ROOT_PATH`: **./**: Upper level of template and static files path.
- `APP_DATA_PATH`: **data** (**/data/gitea** on docker): Default path for application data.
- `STATIC_CACHE_TIME`: **6h**: Web browser cache time for static resources on `custom/`, `public/` and all uploaded avatars. Note that this cache is disabled when `RUN_MODE` is "dev".
- `ENABLE_GZIP`: **false**: Enables application-level GZIP support.
- `ENABLE_GZIP`: **false**: Enable gzip compression for runtime-generated content, static resources excluded.
- `ENABLE_PPROF`: **false**: Application profiling (memory and cpu). For "web" command it listens on localhost:6060. For "serv" command it dumps to disk at `PPROF_DATA_PATH` as `(cpuprofile|memprofile)_<username>_<temporary id>`
- `PPROF_DATA_PATH`: **data/tmp/pprof**: `PPROF_DATA_PATH`, use an absolute path when you start gitea as service
- `LANDING_PAGE`: **home**: Landing page for unauthenticated users \[home, explore, organizations, login\].

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@ -70,7 +70,7 @@ menu:
- `KEY_FILE`: 启用HTTPS的密钥文件。
- `STATIC_ROOT_PATH`: 存放模板和静态文件的根目录,默认是 Gitea 的根目录。
- `STATIC_CACHE_TIME`: **6h**: 静态资源文件,包括 `custom/`, `public/` 和所有上传的头像的浏览器缓存时间。
- `ENABLE_GZIP`: 启用应用级别的 GZIP 压缩
- `ENABLE_GZIP`: 启用实时生成的数据启用 GZIP 压缩,不包括静态资源
- `LANDING_PAGE`: 未登录用户的默认页面,可选 `home``explore`
- `LFS_START_SERVER`: 是否启用 git-lfs 支持. 可以为 `true``false` 默认是 `false`

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@ -6,9 +6,19 @@
package public
import "net/http"
import (
"io"
"net/http"
"os"
"time"
)
// Static implements the macaron static handler for serving assets.
func Static(opts *Options) func(next http.Handler) http.Handler {
return opts.staticHandler(opts.Directory)
}
// ServeContent serve http content
func ServeContent(w http.ResponseWriter, req *http.Request, fi os.FileInfo, modtime time.Time, content io.ReadSeeker) {
http.ServeContent(w, req, fi.Name(), modtime, content)
}

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@ -87,6 +87,16 @@ func (opts *Options) staticHandler(dir string) func(next http.Handler) http.Hand
}
}
// parseAcceptEncoding parse Accept-Encoding: deflate, gzip;q=1.0, *;q=0.5 as compress methods
func parseAcceptEncoding(val string) map[string]bool {
parts := strings.Split(val, ";")
var types = make(map[string]bool)
for _, v := range strings.Split(parts[0], ",") {
types[strings.TrimSpace(v)] = true
}
return types
}
func (opts *Options) handle(w http.ResponseWriter, req *http.Request, opt *Options) bool {
if req.Method != "GET" && req.Method != "HEAD" {
return false
@ -157,6 +167,6 @@ func (opts *Options) handle(w http.ResponseWriter, req *http.Request, opt *Optio
return true
}
http.ServeContent(w, req, file, fi.ModTime(), f)
ServeContent(w, req, fi, fi.ModTime(), f)
return true
}

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@ -0,0 +1,40 @@
// Copyright 2020 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 (
"testing"
"github.com/stretchr/testify/assert"
)
func TestParseAcceptEncoding(t *testing.T) {
var kases = []struct {
Header string
Expected map[string]bool
}{
{
Header: "deflate, gzip;q=1.0, *;q=0.5",
Expected: map[string]bool{
"deflate": true,
"gzip": true,
},
},
{
Header: " gzip, deflate, br",
Expected: map[string]bool{
"deflate": true,
"gzip": true,
"br": true,
},
},
}
for _, kase := range kases {
t.Run(kase.Header, func(t *testing.T) {
assert.EqualValues(t, kase.Expected, parseAcceptEncoding(kase.Header))
})
}
}

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@ -7,8 +7,17 @@
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 macaron static handler for serving assets.
@ -49,3 +58,34 @@ func AssetIsDir(name string) (bool, error) {
}
}
}
// 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
}