From f6bf9c08577060bb199c2f746c7d91dd3c0ca7b9 Mon Sep 17 00:00:00 2001
From: Larvan2 <78135608+Larvan2@users.noreply.github.com>
Date: Thu, 21 Sep 2023 17:25:01 +0800
Subject: [PATCH] feat: converter support hysteria2

---
 common/convert/converter.go      | 32 +++++++++++++++++++++++++++++
 common/convert/converter_test.go | 35 ++++++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+)
 create mode 100644 common/convert/converter_test.go

diff --git a/common/convert/converter.go b/common/convert/converter.go
index ddc5c944..5a618f42 100644
--- a/common/convert/converter.go
+++ b/common/convert/converter.go
@@ -68,7 +68,39 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 			hysteria["skip-cert-verify"], _ = strconv.ParseBool(query.Get("insecure"))
 
 			proxies = append(proxies, hysteria)
+		case "hysteria2":
+			urlHysteria2, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
 
+			query := urlHysteria2.Query()
+			name := uniqueName(names, urlHysteria2.Fragment)
+			hysteria2 := make(map[string]any, 20)
+
+			hysteria2["name"] = name
+			hysteria2["type"] = scheme
+			hysteria2["server"] = urlHysteria2.Hostname()
+			if port := urlHysteria2.Port(); port != "" {
+				hysteria2["port"] = port
+			} else {
+				hysteria2["port"] = "443"
+			}
+			hysteria2["obfs"] = query.Get("obfs")
+			hysteria2["obfs-password"] = query.Get("obfs-password")
+			hysteria2["sni"] = query.Get("sni")
+			hysteria2["skip-cert-verify"], _ = strconv.ParseBool(query.Get("insecure"))
+			if alpn := query.Get("alpn"); alpn != "" {
+				hysteria2["alpn"] = strings.Split(alpn, ",")
+			}
+			if auth := urlHysteria2.User.String(); auth != "" {
+				hysteria2["password"] = auth
+			}
+			hysteria2["fingerprint"] = query.Get("pinSHA256")
+			hysteria2["down"] = query.Get("down")
+			hysteria2["up"] = query.Get("up")
+
+			proxies = append(proxies, hysteria2)
 		case "tuic":
 			// A temporary unofficial TUIC share link standard
 			// Modified from https://github.com/daeuniverse/dae/discussions/182
diff --git a/common/convert/converter_test.go b/common/convert/converter_test.go
new file mode 100644
index 00000000..83b41c4c
--- /dev/null
+++ b/common/convert/converter_test.go
@@ -0,0 +1,35 @@
+package convert
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// https://v2.hysteria.network/zh/docs/developers/URI-Scheme/
+func TestConvertsV2Ray_normal(t *testing.T) {
+	hy2test := "hysteria2://letmein@example.com:8443/?insecure=1&obfs=salamander&obfs-password=gawrgura&pinSHA256=deadbeef&sni=real.example.com&up=114&down=514&alpn=h3,h4#hy2test"
+
+	expected := []map[string]interface{}{
+		{
+			"name":             "hy2test",
+			"type":             "hysteria2",
+			"server":           "example.com",
+			"port":             "8443",
+			"sni":              "real.example.com",
+			"obfs":             "salamander",
+			"obfs-password":    "gawrgura",
+			"alpn":             []string{"h3", "h4"},
+			"password":         "letmein",
+			"up":               "114",
+			"down":             "514",
+			"skip-cert-verify": true,
+			"fingerprint":      "deadbeef",
+		},
+	}
+
+	proxies, err := ConvertsV2Ray([]byte(hy2test))
+
+	assert.Nil(t, err)
+	assert.Equal(t, expected, proxies)
+}