add a mix matcher (#153)

Author: Fndroid

core/config/config.go

@@ -12,6 +12,7 @@ import (
 	"github.com/shawn1m/overture/core/matcher/full"
 	"github.com/shawn1m/overture/core/matcher/regex"
 	"github.com/shawn1m/overture/core/matcher/suffix"
+	"github.com/shawn1m/overture/core/matcher/mix"
 
 	"io/ioutil"
 	"net"
@@ -170,6 +171,8 @@ func getDomainMatcher(name string) (m matcher.Matcher) {
 		return &full.List{DataList: []string{}}
 	case "regex-list":
 		return &regex.List{RegexList: []string{}}
+	case "mix-list":
+		return &mix.List{DataList: make([]mix.Data, 0)}
 	default:
 		log.Warn("There is no such matcher: "+name, ", use regex-list matcher as default")
 		return &regex.List{RegexList: []string{}}

core/matcher/mix/list.go

@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2019 shawn1m. All rights reserved.
+ * Use of this source code is governed by The MIT License (MIT) that can be
+ * found in the LICENSE file..
+ */
+
+package mix
+
+import (
+	"errors"
+	"regexp"
+	"strings"
+)
+
+type Data struct {
+	Type    string
+	Content string
+}
+
+type List struct {
+	DataList []Data
+}
+
+func (s *List) Insert(str string) error {
+	kv := strings.Split(str, ":")
+	if len(kv) > 2 {
+		return errors.New("Invalid format: " + str)
+	}
+	if len(kv) == 1 {
+		s.DataList = append(s.DataList,
+			Data{
+				Type:    "domain",
+				Content: strings.ToLower(kv[0])})
+	}
+	if len(kv) == 2 {
+		s.DataList = append(s.DataList,
+			Data{
+				Type:    strings.ToLower(kv[0]),
+				Content: strings.ToLower(kv[1])})
+	}
+
+	return nil
+}
+
+func (s *List) Has(str string) bool {
+	for _, data := range s.DataList {
+		switch data.Type {
+		case "domain":
+			idx := len(str) - len(data.Content)
+			if idx > 0 && data.Content == str[idx:] {
+				return true
+			}
+		case "regex":
+			reg := regexp.MustCompile(data.Content)
+			if reg.MatchString(str) {
+				return true
+			}
+		case "keyword":
+			if strings.Contains(str, data.Content) {
+				return true
+			}
+		case "full":
+			if data.Content == str {
+				return true
+			}
+		}
+	}
+	return false
+}
+
+func (s *List) Name() string {
+	return "mix-list"
+}