48 lines
965 B
Go
48 lines
965 B
Go
package server
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import (
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"net/http"
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"os"
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"strings"
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"github.com/go-chi/chi"
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)
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func FileServer(r chi.Router, fullPath, subPath string, root http.FileSystem) {
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if strings.ContainsAny(fullPath, "{}*") {
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panic("FileServer does not permit URL parameters.")
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}
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fs := http.StripPrefix(fullPath, http.FileServer(justFilesFilesystem{root}))
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if subPath != "/" && subPath[len(subPath)-1] != '/' {
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r.Get(subPath, http.RedirectHandler(fullPath+"/", 302).ServeHTTP)
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subPath += "/"
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}
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subPath += "*"
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r.Get(subPath, func(w http.ResponseWriter, r *http.Request) {
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fs.ServeHTTP(w, r)
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})
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}
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type justFilesFilesystem struct {
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fs http.FileSystem
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}
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func (fs justFilesFilesystem) Open(name string) (http.File, error) {
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f, err := fs.fs.Open(name)
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if err != nil {
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return nil, err
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}
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return neuteredReaddirFile{f}, nil
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}
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type neuteredReaddirFile struct {
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http.File
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}
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func (f neuteredReaddirFile) Readdir(count int) ([]os.FileInfo, error) {
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return nil, nil
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}
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