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HTTP cache rework and enable caching for storage assets (#13569)

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This enabled HTTP time-based cache for storage assets, primarily
avatars. I have not observed If-Modified-Since from browsers during
tests but I guess it's good to support regardless.

It introduces a new generic httpcache module that can handle both
time-based and etag-based caching.

Additionally, manifest.json and robots.txt are now also cachable.
This commit is contained in:
silverwind 2020-11-17 23:44:52 +01:00 • committed by GitHub
parent 9ec5e6c40b
commit 0615b668dc
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8 changed files with 91 additions and 36 deletions
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27
routers/routes/chi.go
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@ -16,6 +16,7 @@ import (
"text/template"
"time"
"code.gitea.io/gitea/modules/httpcache"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/metrics"
"code.gitea.io/gitea/modules/public"
@ -162,6 +163,12 @@ func storageHandler(storageSetting setting.Storage, prefix string, objStore stor
rPath := strings.TrimPrefix(req.RequestURI, "/"+prefix)
rPath = strings.TrimPrefix(rPath, "/")
fi, err := objStore.Stat(rPath)
if err == nil && httpcache.HandleTimeCache(req, w, fi) {
return
}
//If we have matched and access to release or issue
fr, err := objStore.Open(rPath)
if err != nil {
@ -200,21 +207,15 @@ func NewChi() chi.Router {
setupAccessLogger(c)
}
if setting.ProdMode {
log.Warn("ProdMode ignored")
}
c.Use(public.Custom(
&public.Options{
SkipLogging: setting.DisableRouterLog,
ExpiresAfter: time.Hour * 6,
SkipLogging: setting.DisableRouterLog,
},
))
c.Use(public.Static(
&public.Options{
Directory: path.Join(setting.StaticRootPath, "public"),
SkipLogging: setting.DisableRouterLog,
ExpiresAfter: time.Hour * 6,
Directory: path.Join(setting.StaticRootPath, "public"),
SkipLogging: setting.DisableRouterLog,
},
))
@ -247,10 +248,14 @@ func NormalRoutes() http.Handler {
w.WriteHeader(http.StatusOK)
})
// robots.txt
if setting.HasRobotsTxt {
r.Get("/robots.txt", func(w http.ResponseWriter, req *http.Request) {
http.ServeFile(w, req, path.Join(setting.CustomPath, "robots.txt"))
filePath := path.Join(setting.CustomPath, "robots.txt")
fi, err := os.Stat(filePath)
if err == nil && httpcache.HandleTimeCache(req, w, fi) {
return
}
http.ServeFile(w, req, filePath)
})
}