From ee96af31ad74daef87f881d3c60557243fedc56d Mon Sep 17 00:00:00 2001
From: "Alexander \"Arav\" Andreev" <me@arav.top>
Date: Thu, 31 Mar 2022 17:01:51 +0400
Subject: [PATCH] Added a robots.txt file and a handler for it.

---
 cmd/dwelling-radio/main.go              |  1 +
 internal/handlers/handlers.go           | 17 +++++++++++++++++
 internal/handlers/web/assets/robots.txt |  3 +++
 3 files changed, 21 insertions(+)
 create mode 100644 internal/handlers/web/assets/robots.txt

diff --git a/cmd/dwelling-radio/main.go b/cmd/dwelling-radio/main.go
index 5f2cc72..a1a0bed 100644
--- a/cmd/dwelling-radio/main.go
+++ b/cmd/dwelling-radio/main.go
@@ -57,6 +57,7 @@ func main() {
 
 	srv.ServeStatic("/assets/*filepath", hand.AssetsFS())
 	srv.GET("/", hand.Index)
+	srv.GET("/robots.txt", hand.Robots)
 	srv.GET("/stats", hand.Stats)
 	srv.GET("/lastsong", hand.LastSong)
 	srv.GET("/playlist", hand.Playlist)
diff --git a/internal/handlers/handlers.go b/internal/handlers/handlers.go
index 7cec992..757f530 100644
--- a/internal/handlers/handlers.go
+++ b/internal/handlers/handlers.go
@@ -10,6 +10,7 @@ import (
 	"fmt"
 	"html/template"
 	"io/fs"
+	"io/ioutil"
 	"net/http"
 	"time"
 
@@ -54,6 +55,22 @@ func (h *RadioHandlers) AssetsFS() http.FileSystem {
 	return http.FS(f)
 }
 
+func (h *RadioHandlers) Robots(w http.ResponseWriter, r *http.Request) {
+	f, err := h.AssetsFS().Open("robots.txt")
+	if err != nil {
+		w.WriteHeader(http.StatusNotFound)
+		return
+	}
+	defer f.Close()
+
+	fc, err := ioutil.ReadAll(f)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+	}
+
+	w.Write(fc)
+}
+
 func (h *RadioHandlers) Index(w http.ResponseWriter, r *http.Request) {
 	status, err := radio.IcecastGetStatus(h.conf.Icecast.URL)
 	if err != nil {
diff --git a/internal/handlers/web/assets/robots.txt b/internal/handlers/web/assets/robots.txt
new file mode 100644
index 0000000..912a23f
--- /dev/null
+++ b/internal/handlers/web/assets/robots.txt
@@ -0,0 +1,3 @@
+User-agent: *
+Disallow: /assets/
+Disallow: /live/
\ No newline at end of file