add block ip

src/server/utils/BlockedIP.go

@@ -0,0 +1,35 @@
+package utils
+
+import (
+	"bufio"
+	"io/ioutil"
+	"path/filepath"
+	"strings"
+
+	"server/settings"
+
+	"github.com/anacrolix/torrent/iplist"
+)
+
+func ReadBlockedIP() (ranger iplist.Ranger, err error) {
+	buf, err := ioutil.ReadFile(filepath.Join(settings.Path, "blocklist"))
+	if err != nil {
+		return nil, err
+	}
+	scanner := bufio.NewScanner(strings.NewReader(string(buf)))
+	var ranges []iplist.Range
+	for scanner.Scan() {
+		r, ok, err := iplist.ParseBlocklistP2PLine(scanner.Bytes())
+		if err != nil {
+			return nil, err
+		}
+		if ok {
+			ranges = append(ranges, r)
+		}
+	}
+	err = scanner.Err()
+	if len(ranges) > 0 {
+		ranger = iplist.New(ranges)
+	}
+	return
+}