feat: 增加hysteria2协议的支持

parser/hysteria2.go

@@ -0,0 +1,50 @@
+package parser
+
+import (
+	"errors"
+	"net/url"
+	"strconv"
+	"strings"
+	"sub2clash/model"
+)
+
+func ParseHysteria2(proxy string) (model.Proxy, error) {
+	// 判断是否以 hysteria2:// 开头
+	if !strings.HasPrefix(proxy, "hysteria2://") {
+		return model.Proxy{}, errors.New("invalid hysteria2 Url")
+	}
+	// 分割
+	parts := strings.SplitN(strings.TrimPrefix(proxy, "hysteria2://"), "@", 2)
+	if len(parts) != 2 {
+		return model.Proxy{}, errors.New("invalid hysteria2 Url")
+	}
+	// 分割
+	serverInfo := strings.SplitN(parts[1], "/?", 2)
+	serverAndPort := strings.SplitN(serverInfo[0], ":", 2)
+	if len(serverAndPort) == 1 {
+		serverAndPort = append(serverAndPort, "443")
+	} else if len(serverAndPort) != 2 {
+		return model.Proxy{}, errors.New("invalid hysteria2 Url")
+	}
+	params, err := url.ParseQuery(serverInfo[1])
+	if err != nil {
+		return model.Proxy{}, errors.New("invalid hysteria2 Url")
+	}
+	// 获取端口
+	port, err := strconv.Atoi(serverAndPort[1])
+	if err != nil {
+		return model.Proxy{}, errors.New("invalid hysteria2 Url")
+	}
+	// 返回结果
+	result := model.Proxy{
+		Type:      "hysteria2",
+		Name:      params.Get("name"),
+		Server:    serverAndPort[0],
+		Port:      port,
+		Password:  parts[0],
+		Obfs:      params.Get("obfs"),
+		ObfsParam: params.Get("obfs-password"),
+		Sni:       params.Get("sni"),
+	}
+	return result, nil
+}