Enable caching on assets and avatars (#3376)

* Enable caching on assets and avatars

Fixes #3323

* Only set avatar in user BeforeUpdate when there is no avatar set

* add error checking after stat

* gofmt

* Change cache time for avatars to an hour
This commit is contained in:
Morgan Bazalgette 2018-02-03 23:37:05 +01:00 committed by Lauris BH
parent 77f8bad2fb
commit 17655cdf1b
5 changed files with 155 additions and 34 deletions

View File

@ -145,7 +145,7 @@ func (u *User) BeforeUpdate() {
if len(u.AvatarEmail) == 0 {
u.AvatarEmail = u.Email
}
if len(u.AvatarEmail) > 0 {
if len(u.AvatarEmail) > 0 && u.Avatar == "" {
u.Avatar = base.HashEmail(u.AvatarEmail)
}
}

View File

@ -12,10 +12,5 @@ import (
// Static implements the macaron static handler for serving assets.
func Static(opts *Options) macaron.Handler {
return macaron.Static(
opts.Directory,
macaron.StaticOptions{
SkipLogging: opts.SkipLogging,
},
)
return opts.staticHandler(opts.Directory)
}

View File

@ -5,7 +5,13 @@
package public
import (
"encoding/base64"
"log"
"net/http"
"path"
"path/filepath"
"strings"
"time"
"code.gitea.io/gitea/modules/setting"
"gopkg.in/macaron.v1"
@ -19,15 +25,135 @@ import (
// Options represents the available options to configure the macaron handler.
type Options struct {
Directory string
IndexFile string
SkipLogging bool
// if set to true, will enable caching. Expires header will also be set to
// expire after the defined time.
ExpiresAfter time.Duration
FileSystem http.FileSystem
Prefix string
}
// Custom implements the macaron static handler for serving custom assets.
func Custom(opts *Options) macaron.Handler {
return macaron.Static(
path.Join(setting.CustomPath, "public"),
macaron.StaticOptions{
SkipLogging: opts.SkipLogging,
},
)
return opts.staticHandler(path.Join(setting.CustomPath, "public"))
}
// staticFileSystem implements http.FileSystem interface.
type staticFileSystem struct {
dir *http.Dir
}
func newStaticFileSystem(directory string) staticFileSystem {
if !filepath.IsAbs(directory) {
directory = filepath.Join(macaron.Root, directory)
}
dir := http.Dir(directory)
return staticFileSystem{&dir}
}
func (fs staticFileSystem) Open(name string) (http.File, error) {
return fs.dir.Open(name)
}
// StaticHandler sets up a new middleware for serving static files in the
func StaticHandler(dir string, opts *Options) macaron.Handler {
return opts.staticHandler(dir)
}
func (opts *Options) staticHandler(dir string) macaron.Handler {
// Defaults
if len(opts.IndexFile) == 0 {
opts.IndexFile = "index.html"
}
// Normalize the prefix if provided
if opts.Prefix != "" {
// Ensure we have a leading '/'
if opts.Prefix[0] != '/' {
opts.Prefix = "/" + opts.Prefix
}
// Remove any trailing '/'
opts.Prefix = strings.TrimRight(opts.Prefix, "/")
}
if opts.FileSystem == nil {
opts.FileSystem = newStaticFileSystem(dir)
}
return func(ctx *macaron.Context, log *log.Logger) {
opts.handle(ctx, log, opts)
}
}
func (opts *Options) handle(ctx *macaron.Context, log *log.Logger, opt *Options) bool {
if ctx.Req.Method != "GET" && ctx.Req.Method != "HEAD" {
return false
}
file := ctx.Req.URL.Path
// if we have a prefix, filter requests by stripping the prefix
if opt.Prefix != "" {
if !strings.HasPrefix(file, opt.Prefix) {
return false
}
file = file[len(opt.Prefix):]
if file != "" && file[0] != '/' {
return false
}
}
f, err := opt.FileSystem.Open(file)
if err != nil {
return false
}
defer f.Close()
fi, err := f.Stat()
if err != nil {
log.Printf("[Static] %q exists, but fails to open: %v", file, err)
return true
}
// Try to serve index file
if fi.IsDir() {
// Redirect if missing trailing slash.
if !strings.HasSuffix(ctx.Req.URL.Path, "/") {
http.Redirect(ctx.Resp, ctx.Req.Request, ctx.Req.URL.Path+"/", http.StatusFound)
return true
}
f, err = opt.FileSystem.Open(file)
if err != nil {
return false // Discard error.
}
defer f.Close()
fi, err = f.Stat()
if err != nil || fi.IsDir() {
return true
}
}
if !opt.SkipLogging {
log.Println("[Static] Serving " + file)
}
// Add an Expires header to the static content
if opt.ExpiresAfter > 0 {
ctx.Resp.Header().Set("Expires", time.Now().Add(opt.ExpiresAfter).UTC().Format(http.TimeFormat))
tag := GenerateETag(string(fi.Size()), fi.Name(), fi.ModTime().UTC().Format(http.TimeFormat))
ctx.Resp.Header().Set("ETag", tag)
if ctx.Req.Header.Get("If-None-Match") == tag {
ctx.Resp.WriteHeader(304)
return false
}
}
http.ServeContent(ctx.Resp, ctx.Req.Request, file, fi.ModTime(), f)
return true
}
// GenerateETag generates an ETag based on size, filename and file modification time
func GenerateETag(fileSize, fileName, modTime string) string {
etag := fileSize + fileName + modTime
return base64.StdEncoding.EncodeToString([]byte(etag))
}

View File

@ -13,17 +13,14 @@ import (
// Static implements the macaron static handler for serving assets.
func Static(opts *Options) macaron.Handler {
return macaron.Static(
opts.Directory,
macaron.StaticOptions{
SkipLogging: opts.SkipLogging,
FileSystem: bindata.Static(bindata.Options{
Asset: Asset,
AssetDir: AssetDir,
AssetInfo: AssetInfo,
AssetNames: AssetNames,
Prefix: "",
}),
},
)
opts.FileSystem = bindata.Static(bindata.Options{
Asset: Asset,
AssetDir: AssetDir,
AssetInfo: AssetInfo,
AssetNames: AssetNames,
Prefix: "",
})
// 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("")
}

View File

@ -7,6 +7,7 @@ package routes
import (
"os"
"path"
"time"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/auth"
@ -53,21 +54,23 @@ func NewMacaron() *macaron.Macaron {
}
m.Use(public.Custom(
&public.Options{
SkipLogging: setting.DisableRouterLog,
SkipLogging: setting.DisableRouterLog,
ExpiresAfter: time.Hour * 6,
},
))
m.Use(public.Static(
&public.Options{
Directory: path.Join(setting.StaticRootPath, "public"),
SkipLogging: setting.DisableRouterLog,
Directory: path.Join(setting.StaticRootPath, "public"),
SkipLogging: setting.DisableRouterLog,
ExpiresAfter: time.Hour * 6,
},
))
m.Use(macaron.Static(
m.Use(public.StaticHandler(
setting.AvatarUploadPath,
macaron.StaticOptions{
Prefix: "avatars",
SkipLogging: setting.DisableRouterLog,
ETag: true,
&public.Options{
Prefix: "avatars",
SkipLogging: setting.DisableRouterLog,
ExpiresAfter: time.Hour * 6,
},
))