reprogl

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package middlewares
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import (
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	"net/http"
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	"strings"
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	"xelbot.com/reprogl/container"
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)
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func CDN(next http.Handler) http.Handler {
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	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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		if container.IsCDN(r) {
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			if r.URL.Path == "" || r.URL.Path == "/" {
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				w.Header().Set("Content-Type", "text/plain")
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				w.Write([]byte("This is static assets storage"))
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				return
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			} else if r.URL.Path != "/robots.txt" &&
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				r.URL.Path != "/sitemap.xml" &&
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				r.URL.Path != "/headers" &&
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				!strings.HasPrefix(r.URL.Path, "/images/avatar/") {
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				http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
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				return
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			}
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		}
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		next.ServeHTTP(w, r)
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	})
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}
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