feat: change how headers are passed to the client and move constant variables

internal/paths/consts.go

@@ -20,21 +20,6 @@ var allowed_hosts = []string{
 	"googleusercontent.com",
 }
 
-var strip_headers = []string{
-	"Accept-Encoding",
-	"Authorization",
-	"Origin",
-	"Referer",
-	"Cookie",
-	"Set-Cookie",
-	"Etag",
-	"Alt-Svc",
-	"Server",
-	"Cache-Control",
-	// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/report-to
-	"report-to",
-}
-
 var videoplayback_headers = http.Header{
 	"Accept":          {"*/*"},
 	"Accept-Encoding": {"gzip, deflate, br, zstd"},
@@ -42,3 +27,6 @@ var videoplayback_headers = http.Header{
 	"Origin":          {"https://www.youtube.com"},
 	"Referer":         {"https://www.youtube.com/"},
 }
+
+// https://github.com/FreeTubeApp/FreeTube/blob/5a4cd981cdf2c2a20ab68b001746658fd0c6484e/src/renderer/components/ft-shaka-video-player/ft-shaka-video-player.js#L1097
+var protobuf_body = []byte{0x78, 0} // protobuf body

internal/paths/videoplayback.go

@@ -123,10 +123,7 @@ func Videoplayback(w http.ResponseWriter, req *http.Request) {
 
 	proxyURL.RawQuery = q.Encode()
 
-	// https://github.com/FreeTubeApp/FreeTube/blob/5a4cd981cdf2c2a20ab68b001746658fd0c6484e/src/renderer/components/ft-shaka-video-player/ft-shaka-video-player.js#L1097
+	postRequest, err := http.NewRequest("POST", proxyURL.String(), bytes.NewReader(protobuf_body))
-	body := []byte{0x78, 0} // protobuf body
-
-	postRequest, err := http.NewRequest("POST", proxyURL.String(), bytes.NewReader(body))
 	if err != nil {
 		log.Panic("Failed to create postRequest:", err)
 	}
@@ -184,8 +181,7 @@ func Videoplayback(w http.ResponseWriter, req *http.Request) {
 
 	defer resp.Body.Close()
 
-	NoRewrite := strings.HasPrefix(resp.Header.Get("Content-Type"), "audio") || strings.HasPrefix(resp.Header.Get("Content-Type"), "video")
+	utils.CopyHeadersNew(resp.Header, w.Header())
-	utils.CopyHeaders(resp.Header, w.Header(), NoRewrite)
 
 	w.WriteHeader(resp.StatusCode)
 

internal/utils/consts.go

@@ -0,0 +1,28 @@
+package utils
+
+const (
+	path_prefix = ""
+)
+
+var strip_headers = []string{
+	"Accept-Encoding",
+	"Authorization",
+	"Origin",
+	"Referer",
+	"Cookie",
+	"Set-Cookie",
+	"Etag",
+	"Alt-Svc",
+	"Server",
+	"Cache-Control",
+	// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/report-to
+	"report-to",
+}
+
+var headers_for_response = []string{
+	"Content-Length",
+	"Accept-Ranges",
+	"Content-Type",
+	"Expires",
+	"Last-Modified",
+}

internal/utils/utils.go

@@ -9,25 +9,6 @@ import (
 	"git.nadeko.net/Fijxu/http3-ytproxy/internal/httpc"
 )
 
-const (
-	path_prefix = ""
-)
-
-var strip_headers = []string{
-	"Accept-Encoding",
-	"Authorization",
-	"Origin",
-	"Referer",
-	"Cookie",
-	"Set-Cookie",
-	"Etag",
-	"Alt-Svc",
-	"Server",
-	"Cache-Control",
-	// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/report-to
-	"report-to",
-}
-
 func CopyHeaders(from http.Header, to http.Header, length bool) {
 	// Loop over header names
 outer:
@@ -49,6 +30,16 @@ outer:
 	}
 }
 
+func CopyHeadersNew(from http.Header, to http.Header) {
+	for from_header, value := range from {
+		for _, header := range headers_for_response {
+			if from_header == header {
+				to.Add(header, value[0])
+			}
+		}
+	}
+}
+
 func GetBestThumbnail(path string) (newpath string) {
 
 	formats := [4]string{"maxresdefault.jpg", "sddefault.jpg", "hqdefault.jpg", "mqdefault.jpg"}