chore: the uuid-map is transferred to the protocol

common/utils/uuid.go

@@ -0,0 +1,33 @@
+package utils
+
+import (
+	"crypto/sha1"
+	"encoding/hex"
+	"github.com/gofrs/uuid"
+)
+
+// UUIDMap https://github.com/XTLS/Xray-core/issues/158#issue-783294090
+func UUIDMap(str string) (uuid.UUID, error) {
+	u, err := uuid.FromString(str)
+	if err != nil {
+		var Nil [16]byte
+		h := sha1.New()
+		h.Write(Nil[:])
+		h.Write([]byte(str))
+		u := h.Sum(nil)[:16]
+		u[6] = (u[6] & 0x0f) | (5 << 4)
+		u[8] = u[8]&(0xff>>2) | (0x02 << 6)
+		buf := make([]byte, 36)
+		hex.Encode(buf[0:8], u[0:4])
+		buf[8] = '-'
+		hex.Encode(buf[9:13], u[4:6])
+		buf[13] = '-'
+		hex.Encode(buf[14:18], u[6:8])
+		buf[18] = '-'
+		hex.Encode(buf[19:23], u[8:10])
+		buf[23] = '-'
+		hex.Encode(buf[24:], u[10:])
+		return uuid.FromString(string(buf))
+	}
+	return u, nil
+}

common/utils/uuid_test.go

@@ -0,0 +1,72 @@
+package utils
+
+import (
+	"github.com/gofrs/uuid"
+	"reflect"
+	"testing"
+)
+
+func TestUUIDMap(t *testing.T) {
+	type args struct {
+		str string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		want    uuid.UUID
+		wantErr bool
+	}{
+		{
+			name: "uuid-test-1",
+			args: args{
+				str: "82410302-039e-41b6-98b0-d964084b4170",
+			},
+			want:    uuid.FromStringOrNil("82410302-039e-41b6-98b0-d964084b4170"),
+			wantErr: false,
+		},
+		{
+			name: "uuid-test-2",
+			args: args{
+				str: "88c502e6-d7eb-4c8e-8259-94cb13d83c77",
+			},
+			want:    uuid.FromStringOrNil("88c502e6-d7eb-4c8e-8259-94cb13d83c77"),
+			wantErr: false,
+		},
+		{
+			name: "uuid-map-1",
+			args: args{
+				str: "123456",
+			},
+			want:    uuid.FromStringOrNil("f8598425-92f2-5508-a071-4fc67f9040ac"),
+			wantErr: false,
+		},
+		{
+			name: "uuid-map-2",
+			args: args{
+				str: "a9dk23bz0",
+			},
+			want:    uuid.FromStringOrNil("c91481b6-fc0f-5d9e-b166-5ddf07b9c3c5"),
+			wantErr: false,
+		},
+		{
+			name: "uuid-map-2",
+			args: args{
+				str: "中文123",
+			},
+			want:    uuid.FromStringOrNil("145c544c-2229-59e5-8dbb-3f33b7610d26"),
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := UUIDMap(tt.args.str)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("UUIDMap() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("UUIDMap() got = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}