63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package main
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import (
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"embed"
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"fmt"
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"html/template"
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"io"
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"io/fs"
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"mime"
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"net/http"
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"path/filepath"
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)
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//go:embed static
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var staticFiles embed.FS
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func main() {
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staticFS := fs.FS(staticFiles)
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http.HandleFunc("GET /", index)
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http.Handle("GET /static/{file}", http.FileServer(http.FS(staticFS)))
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if err := http.ListenAndServe(":4321", nil); err != nil {
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fmt.Printf("Unable to serve: %v\n", err)
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}
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}
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func serveFile(system fs.FS) func(w http.ResponseWriter, r http.Request) {
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return func(w http.ResponseWriter, r http.Request) {
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file := r.PathValue("file")
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reader, err := system.Open(file)
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if err != nil {
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http.Error(w, "File not found", 404)
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return
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}
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defer reader.Close()
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cont, err := io.ReadAll(reader)
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handleHTTPError("Error reading file", err, w)
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contType := mime.TypeByExtension(filepath.Ext(file))
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w.Header().Add("Content-Type", contType)
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_, err = w.Write(cont)
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handleHTTPError("Error writing HTTP resp", err, w)
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}
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}
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func index(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "text/html; charset=utf8")
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tmpl, err := template.ParseFiles("./tmpl/index.html", "./tmpl/base.html")
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handleHTTPError("Error parsing template", err, w)
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err = tmpl.Execute(w, nil)
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handleHTTPError("Error executing on template", err, w)
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}
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func handleHTTPError(msg string, err error, w http.ResponseWriter) {
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if err != nil {
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fmt.Printf("%v: %v", msg, err)
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http.Error(w, "Internal server error", 500)
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return
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}
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}
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