94 lines
2.8 KiB
Go
94 lines
2.8 KiB
Go
package main
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import (
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"log"
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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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"time"
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)
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var (
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port = os.Getenv("PODCAST_PORT") // Es: ":8080"
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baseURL = os.Getenv("PODCAST_BASE_URL") // Es: "http://mioserver.com"
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audioDir = os.Getenv("PODCAST_AUDIO_DIR") // Es: "/data/podcast/audio"
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coversDir = os.Getenv("PODCAST_COVERS_DIR") // Es: "/data/podcast/covers"
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podTitle = os.Getenv("PODCAST_TITLE") // Es: "Il Mio Podcast"
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podAuthor = os.Getenv("PODCAST_AUTHOR") // Es: "Il Mio Podcast"
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podRights = os.Getenv("PODCAST_COPYRIGHT") // Es: "Il Mio Podcast"
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podLogo = os.Getenv("PODCAST_LOGO") // Es: "Il Mio Podcast"
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podDesc = os.Getenv("PODCAST_DESCRIPTION") // Es: "Il Mio Podcast"
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podLang = os.Getenv("PODCAST_LANGUAGE") // Es: "Il Mio Podcast"
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)
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func init() {
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// Verifica variabili d'ambiente
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for _, v := range []struct {
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name string
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value string
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}{
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{"PODCAST_PORT", port},
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{"PODCAST_BASE_URL", baseURL},
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{"PODCAST_AUDIO_DIR", audioDir},
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{"PODCAST_COVERS_DIR", coversDir},
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{"PODCAST_TITLE", podTitle},
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{"PODCAST_AUTHOR", podAuthor},
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{"PODCAST_COPYRIGHT", podRights},
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{"PODCAST_LOGO", podLogo},
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{"PODCAST_DESCRIPTION", podDesc},
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{"PODCAST_LANGUAGE", podLang},
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} {
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if v.value == "" {
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log.Fatalf("Variabile d'ambiente mancante: %s", v.name)
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}
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}
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}
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func main() {
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// Handler principale
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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// Verifica se la richiesta è per un file audio o cover
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requestedFile := filepath.Clean(r.URL.Path)
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isAudio := strings.HasPrefix(requestedFile, "/audio/") && strings.HasSuffix(requestedFile, ".mp3")
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isCover := strings.HasPrefix(requestedFile, "/covers/") && strings.HasSuffix(requestedFile, ".jpg")
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isLogo := strings.HasPrefix(requestedFile, "/cover.jpg") && strings.HasSuffix(requestedFile, ".jpg")
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isBadge := strings.HasPrefix(requestedFile, "/covers/") && strings.HasSuffix(requestedFile, ".htm")
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if isAudio || isCover || isLogo {
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// Servi il file richiesto
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http.ServeFile(w, r, filepath.Join(".", requestedFile))
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// logghiamo che succede
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log.Println("Richiesta da: ", r.UserAgent(), " per ", r.RequestURI)
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return
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}
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if isBadge {
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badgeHandler(w, r)
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}
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// Altrimenti servi sempre l'RSS
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if err := generateRSS(); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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// logghiamo che succede
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log.Println("Richiesta da: ", r.UserAgent(), " per ", r.RequestURI, " --> feeds.xml ")
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return
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}
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http.ServeFile(w, r, "feed.xml")
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})
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// Aggiornamento periodico
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go func() {
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for {
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time.Sleep(5 * time.Minute)
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if err := generateRSS(); err != nil {
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log.Printf("Aggiornamento RSS fallito: %v", err)
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}
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}
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}()
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log.Printf("Server in ascolto su %s%s", baseURL, port)
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log.Fatal(http.ListenAndServe(port, nil))
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}
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