Add MTProxy, MASQUE, VPN, Link parser. Update AmneziaWG. Remove Tunneling

parser/link/parser.go

@@ -0,0 +1,42 @@
+package link
+
+import (
+	"regexp"
+	"strings"
+
+	"github.com/sagernet/sing-box/common"
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+func ParseSubscriptionLink(link string) (option.Outbound, error) {
+	reg := regexp.MustCompile(`^(.*?)(://)(.*?)([@?#].*)?$`)
+	result := reg.FindStringSubmatch(link)
+	if result == nil {
+		return option.Outbound{}, E.New("invalid link")
+	}
+
+	scheme := result[1]
+	switch scheme {
+	case "tuic":
+		return parseTuicLink(link)
+	case "trojan":
+		return parseTrojanLink(link)
+	case "vless":
+		return parseVLESSLink(link)
+	case "hysteria":
+		return parseHysteriaLink(link)
+	case "hy2", "hysteria2":
+		return parseHysteria2Link(link)
+	}
+	result[3], _ = common.DecodeBase64URLSafe(result[3])
+	link = strings.Join(result[1:], "")
+	switch scheme {
+	case "ss":
+		return parseShadowsocksLink(link)
+	case "vmess":
+		return parseVMessLink(link)
+	default:
+		return option.Outbound{}, E.New("unsupported scheme: ", scheme)
+	}
+}