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

parser/singbox/parser.go

@@ -0,0 +1,58 @@
+package singbox
+
+import (
+	"context"
+
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/json"
+	"github.com/sagernet/sing/common/json/badjson"
+)
+
+type _SingBoxDocument struct {
+	Outbounds []option.Outbound `json:"outbounds"`
+}
+type SingBoxDocument _SingBoxDocument
+
+func (o *SingBoxDocument) UnmarshalJSONContext(ctx context.Context, inputContent []byte) error {
+	var content badjson.JSONObject
+	err := content.UnmarshalJSONContext(ctx, inputContent)
+	if err != nil {
+		return err
+	}
+	outbounds, ok := content.Get("outbounds")
+	if !ok {
+		return E.New("missing outbounds in sing-box configuration")
+	}
+	var outs badjson.JSONArray
+	for i, outbound := range outbounds.(badjson.JSONArray) {
+		typeVal, loaded := outbound.(*badjson.JSONObject).Get("type")
+		if !loaded {
+			return E.New("missing type in outbound[", i, "]")
+		}
+		switch typeVal.(string) {
+		case C.TypeDirect, C.TypeBlock, C.TypeDNS, C.TypeSelector, C.TypeURLTest:
+			continue
+		default:
+			outs = append(outs, outbound)
+		}
+	}
+	content.Put("outbounds", outs)
+	inputContent, err = content.MarshalJSONContext(ctx)
+	if err != nil {
+		return err
+	}
+	return json.UnmarshalContext(ctx, inputContent, (*_SingBoxDocument)(o))
+}
+
+func ParseBoxSubscription(ctx context.Context, content string) ([]option.Outbound, error) {
+	options, err := json.UnmarshalExtendedContext[SingBoxDocument](ctx, []byte(content))
+	if err != nil {
+		return nil, err
+	}
+	if len(options.Outbounds) == 0 {
+		return nil, E.New("no servers found")
+	}
+	return options.Outbounds, nil
+}