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api: allow gzipped response

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This commit is contained in:
Adhityaa
2018-06-11 15:01:58 +05:30
parent 9e682a964a
commit 78384073b0
4 changed files with 46 additions and 6 deletions
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31
api/router_static.go
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@ -25,7 +25,8 @@ type staticHtmlPlugs struct {
}
func initStaticRouter(router *mux.Router) error {
asset := make(map[string]string)
asset := make(map[string][]byte)
gzippedAsset := make(map[string][]byte)
for _, dir := range []string{"js", "css", "images"} {
sl := string(os.PathSeparator)
@ -52,12 +53,30 @@ func initStaticRouter(router *mux.Router) error {
prefix += "window.commento_cdn='" + os.Getenv("CDN_PREFIX") + "';\n"
}
asset[p] = prefix + string(contents)
gzip := (os.Getenv("GZIP_STATIC") == "true")
router.HandleFunc(p, func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", mime.TypeByExtension(path.Ext(r.URL.Path)))
fmt.Fprint(w, asset[r.URL.Path])
})
asset[p] = []byte(prefix + string(contents))
if gzip {
gzippedAsset[p], err = gzipStatic(asset[p])
if err != nil {
logger.Errorf("error gzipping %s: %v", p, err)
return err
}
}
// faster than checking inside the handler
if !gzip {
router.HandleFunc(p, func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", mime.TypeByExtension(path.Ext(r.URL.Path)))
w.Write(asset[r.URL.Path])
})
} else {
router.HandleFunc(p, func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", mime.TypeByExtension(path.Ext(r.URL.Path)))
w.Header().Set("Content-Encoding", "gzip")
w.Write(gzippedAsset[r.URL.Path])
})
}
}
}