67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package web
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import (
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"io/ioutil"
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"mime"
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"net/http"
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"os"
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"path"
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"path/filepath"
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"github.com/rs/zerolog/log"
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)
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func (web *Web) indexHandler(entryPoint string) func(w http.ResponseWriter, r *http.Request) {
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entryPoint = path.Join(path.Clean(entryPoint))
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fn := func(w http.ResponseWriter, r *http.Request) {
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p := path.Join(path.Clean(r.URL.Path))
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log.Debug().Str("path", p).Msg("requested path")
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var info os.FileInfo
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f, err := web.static.Open(p)
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if err != nil {
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log.Error().Err(err).Msg("Error finding file")
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goto entryPoint
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}
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defer f.Close()
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info, err = f.Stat()
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if err != nil {
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log.Error().Err(err).Msg("Error finding file")
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goto entryPoint
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}
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if info.IsDir() {
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if f, err := web.static.Open(path.Join(p, "index.html")); err == nil && f != nil {
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write(w, f, p)
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return
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} else {
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log.Error().Msgf("Could not load file %s: %w", path.Join(p, "index.html"), err)
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w.WriteHeader(http.StatusNotFound)
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}
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} else {
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write(w, f, p)
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return
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}
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entryPoint:
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if f, err := web.static.Open(entryPoint); err == nil {
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write(w, f, p)
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return
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} else {
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log.Error().Msgf("Could not load file %s or %s", p, entryPoint)
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w.WriteHeader(http.StatusNotFound)
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}
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}
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return fn
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}
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func write(w http.ResponseWriter, file http.File, path string) {
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f, _ := ioutil.ReadAll(file)
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ctype := mime.TypeByExtension(filepath.Ext(path))
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if ctype == "" {
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ctype = http.DetectContentType(f)
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}
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if ctype != "" {
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w.Header().Set("Content-Type", ctype)
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}
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w.Write(f)
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}
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