55 lines
1.0 KiB
Go
55 lines
1.0 KiB
Go
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package http
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import (
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"net/http"
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"os"
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"path"
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"strings"
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"github.com/pkg/errors"
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"gitlab.com/wpetit/goweb/logger"
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)
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func HTML5Fileserver(fs http.FileSystem) http.Handler {
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handler := http.FileServer(fs)
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fn := func(w http.ResponseWriter, r *http.Request) {
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urlPath := r.URL.Path
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if !strings.HasPrefix(urlPath, "/") {
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urlPath = "/" + urlPath
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r.URL.Path = urlPath
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}
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urlPath = path.Clean(urlPath)
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file, err := fs.Open(urlPath)
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if err != nil {
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if errors.Is(err, os.ErrNotExist) {
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r.URL.Path = "/"
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handler.ServeHTTP(w, r)
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return
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}
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logger.Error(r.Context(), "could not open bundle file", logger.E(err))
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http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
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return
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}
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defer func() {
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if err := file.Close(); err != nil {
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logger.Error(r.Context(), "could not close file", logger.E(err))
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http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
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return
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}
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}()
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handler.ServeHTTP(w, r)
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}
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return http.HandlerFunc(fn)
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}
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