feat: torrent scheme deep link and file associations (#866)

internal/protocol/bt/fetcher.go

@@ -363,7 +363,14 @@ func (f *Fetcher) addTorrent(req *base.Request, fromUpload bool) (err error) {
 		f.torrent, err = client.AddMagnet(req.URL)
 	} else {
 		var reader io.Reader
-		if schema == "DATA" {
+		if schema == "FILE" {
+			fileUrl, _ := url.Parse(req.URL)
+			filePath := fileUrl.Path[1:]
+			reader, err = os.Open(filePath)
+			if err != nil {
+				return
+			}
+		} else if schema == "DATA" {
 			_, data := util.ParseDataUri(req.URL)
 			reader = bytes.NewBuffer(data)
 		} else {

internal/protocol/bt/fetcher_test.go

@@ -11,6 +11,7 @@ import (
 	gohttp "net/http"
 	"net/url"
 	"os"
+	"path/filepath"
 	"reflect"
 	"testing"
 )
@@ -149,6 +150,16 @@ func doResolve(t *testing.T, fetcher fetcher.Fetcher) {
 		}
 	})
 
+	t.Run("Resolve file scheme Torrent", func(t *testing.T) {
+		file, _ := filepath.Abs("./testdata/test.unclean.torrent")
+		uri := "file:///" + file
+		err := fetcher.Resolve(&base.Request{
+			URL: uri,
+		})
+		if err != nil {
+			t.Errorf("Resolve file scheme Torrent Resolve() got = %v, want nil", err)
+		}
+	})
 }
 
 func TestFetcherManager_ParseName(t *testing.T) {

internal/protocol/http/fetcher.go

@@ -107,9 +107,9 @@ func (f *Fetcher) Resolve(req *base.Request) error {
 	if base.HttpCodePartialContent == httpResp.StatusCode || (base.HttpCodeOK == httpResp.StatusCode && httpResp.Header.Get(base.HttpHeaderAcceptRanges) == base.HttpHeaderBytes && strings.HasPrefix(httpResp.Header.Get(base.HttpHeaderContentRange), base.HttpHeaderBytes)) {
 		// response 206 status code, support breakpoint continuation
 		res.Range = true
-		// parse content length from Content-Range header, eg: bytes 0-1000/1001
+		// parse content length from Content-Range header, eg: bytes 0-1000/1001 or bytes 0-0/*
 		contentTotal := path.Base(httpResp.Header.Get(base.HttpHeaderContentRange))
-		if contentTotal != "" {
+		if contentTotal != "" && contentTotal != "*" {
 			parse, err := strconv.ParseInt(contentTotal, 10, 64)
 			if err != nil {
 				return err