Simon Marsh
c6a608061e
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continuous-integration/drone/push Build is passing
Add gzip handler so that assets can be compressed if clients request it Add cache-control headers so that content can be effectively cached locally
68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
//////////////////////////////////////////////////////////////////////////
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// DN42 Registry API Server
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//////////////////////////////////////////////////////////////////////////
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package main
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//////////////////////////////////////////////////////////////////////////
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import (
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"github.com/gorilla/mux"
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log "github.com/sirupsen/logrus"
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"net/http"
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"os"
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)
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//////////////////////////////////////////////////////////////////////////
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// called from main to initialise the API routing
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func InstallStaticRoutes(router *mux.Router, staticPath string) {
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// an empty path disables static route serving
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if staticPath == "" {
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log.Info("Disabling static route serving")
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return
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}
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// validate that the staticPath exists
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stat, err := os.Stat(staticPath)
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if err != nil {
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log.WithFields(log.Fields{
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"error": err,
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"path": staticPath,
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}).Fatal("Unable to find static page directory")
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}
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// and it is a directory
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if !stat.IsDir() {
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log.WithFields(log.Fields{
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"error": err,
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"path": staticPath,
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}).Fatal("Static path is not a directory")
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}
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// install a file server for the static route
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router.PathPrefix("/").Handler(staticHandler(staticPath))
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log.WithFields(log.Fields{
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"path": staticPath,
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}).Info("Static route installed")
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}
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//////////////////////////////////////////////////////////////////////////
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func staticHandler(path string) http.Handler {
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server := http.FileServer(http.Dir(path))
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// allow up to a month of caching
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w.Header().Set("Cache-Control", "public, max-age=2592000, stale-if-error=86400")
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server.ServeHTTP(w, r)
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})
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}
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//////////////////////////////////////////////////////////////////////////
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// end of code
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