First Commmit

experimental/clashapi.go

@@ -0,0 +1,81 @@
+package experimental
+
+import (
+	"context"
+	"os"
+	"sort"
+
+	"github.com/sagernet/sing-box/adapter"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing/common"
+)
+
+type ClashServerConstructor = func(ctx context.Context, logFactory log.ObservableFactory, options option.ClashAPIOptions) (adapter.ClashServer, error)
+
+var clashServerConstructor ClashServerConstructor
+
+func RegisterClashServerConstructor(constructor ClashServerConstructor) {
+	clashServerConstructor = constructor
+}
+
+func NewClashServer(ctx context.Context, logFactory log.ObservableFactory, options option.ClashAPIOptions) (adapter.ClashServer, error) {
+	if clashServerConstructor == nil {
+		return nil, os.ErrInvalid
+	}
+	return clashServerConstructor(ctx, logFactory, options)
+}
+
+func CalculateClashModeList(options option.Options) []string {
+	var clashModes []string
+	clashModes = append(clashModes, extraClashModeFromRule(common.PtrValueOrDefault(options.Route).Rules)...)
+	clashModes = append(clashModes, extraClashModeFromDNSRule(common.PtrValueOrDefault(options.DNS).Rules)...)
+	clashModes = common.FilterNotDefault(common.Uniq(clashModes))
+	predefinedOrder := []string{
+		"Rule", "Global", "Direct",
+	}
+	var newClashModes []string
+	for _, mode := range clashModes {
+		if !common.Contains(predefinedOrder, mode) {
+			newClashModes = append(newClashModes, mode)
+		}
+	}
+	sort.Strings(newClashModes)
+	for _, mode := range predefinedOrder {
+		if common.Contains(clashModes, mode) {
+			newClashModes = append(newClashModes, mode)
+		}
+	}
+	return newClashModes
+}
+
+func extraClashModeFromRule(rules []option.Rule) []string {
+	var clashMode []string
+	for _, rule := range rules {
+		switch rule.Type {
+		case C.RuleTypeDefault:
+			if rule.DefaultOptions.ClashMode != "" {
+				clashMode = append(clashMode, rule.DefaultOptions.ClashMode)
+			}
+		case C.RuleTypeLogical:
+			clashMode = append(clashMode, extraClashModeFromRule(rule.LogicalOptions.Rules)...)
+		}
+	}
+	return clashMode
+}
+
+func extraClashModeFromDNSRule(rules []option.DNSRule) []string {
+	var clashMode []string
+	for _, rule := range rules {
+		switch rule.Type {
+		case C.RuleTypeDefault:
+			if rule.DefaultOptions.ClashMode != "" {
+				clashMode = append(clashMode, rule.DefaultOptions.ClashMode)
+			}
+		case C.RuleTypeLogical:
+			clashMode = append(clashMode, extraClashModeFromDNSRule(rule.LogicalOptions.Rules)...)
+		}
+	}
+	return clashMode
+}