Simple blogging system written in Go
https://goblog.app
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44 lines
1.0 KiB
44 lines
1.0 KiB
package main
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import (
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"errors"
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"fmt"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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)
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const staticFolder = "static"
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func allStaticPaths() (paths []string) {
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paths = []string{}
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err := filepath.Walk(staticFolder, func(path string, info os.FileInfo, 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 info.Mode().IsRegular() {
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paths = append(paths, strings.TrimPrefix(path, staticFolder))
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}
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return nil
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})
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if err != nil {
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return
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}
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return
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}
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func hasStaticPath(path string) bool {
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// Check if file exists
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_, err := os.Stat(filepath.Join(staticFolder, path))
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if err != nil && errors.Is(err, os.ErrNotExist) {
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return false
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}
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return true
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}
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// Gets only called by registered paths
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func (a *goBlog) serveStaticFile(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Cache-Control", fmt.Sprintf("public,max-age=%d,s-max-age=%d,stale-while-revalidate=%d", a.cfg.Cache.Expiration, a.cfg.Cache.Expiration/3, a.cfg.Cache.Expiration))
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http.ServeFile(w, r, filepath.Join(staticFolder, r.URL.Path))
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}
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