51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
package server
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import (
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"fmt"
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"io/fs"
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"log/slog"
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"net/http"
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"time"
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"git.schreifuchs.ch/schreifuchs/schreifuchs.ch/web"
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)
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// registerStatic registers all the static files.
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func registerStatic(mux *http.ServeMux) {
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fileSystem := web.GetStaticFS()
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// we still use go's fileServer to avoid unnecessary implementation
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fileServer := cacheMiddleware(time.Hour * 24)(http.FileServer(http.FS(fileSystem)))
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err := fs.WalkDir(fileSystem, ".", func(path string, d fs.DirEntry, err error) error {
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if err != nil {
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return err
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}
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if d.IsDir() {
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return nil
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}
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path = "/" + path
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slog.Info("registering file", "path", path)
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mux.Handle(path, fileServer)
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return nil
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})
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if err != nil {
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slog.Error("could not register static files", "err", err)
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panic(err)
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}
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}
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// cacheMiddleware adds Cache-Control headers to the response.
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func cacheMiddleware(maxAge time.Duration) func(next http.Handler) http.Handler {
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return func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Cache-Control", fmt.Sprintf("public, max-age=%.0f", maxAge.Seconds()))
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next.ServeHTTP(w, r)
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})
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}
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}
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