Support XML and Atom responses

main.go

@@ -6,6 +6,7 @@ import (
 	"encoding/xml"
 	"errors"
 	"fmt"
+	"io"
 	"log"
 	"net/url"
 	"os"
@@ -19,6 +20,7 @@ import (
 )
 
 const TIMEOUT_NS time.Duration = time.Duration(60_000_000_000)
+
 var (
 	hosts     tofu.KnownHosts
 	hostsfile *tofu.HostWriter
@@ -158,9 +160,14 @@ func main() {
 	}
 	defer resp.Body.Close()
 
-	if resp.Meta != "text/gemini" && !strings.HasPrefix(resp.Meta, "text/gemini;") {
-		log.Fatal("mime type is not text/gemini")
+	mime, _, _ := strings.Cut(resp.Meta, ";")
+	if mime == "application/rss+xml" || mime == "application/atom+xml" {
+		out, err := io.ReadAll(resp.Body)
+		if err != nil {
+			log.Fatal(err)
 		}
+		fmt.Print(string(out))
+	} else if mime == "text/gemini" {
 		aw := AtomWriter{
 			Title: "",
 			Items: nil,
@@ -206,4 +213,7 @@ func main() {
 			log.Fatal(err)
 		}
 		fmt.Println(string(out))
+	} else {
+		log.Fatal("unsupported mime type: ", mime)
+	}
 }