mirror of https://github.com/jlelse/GoBlog
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(cacheControl, 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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