support notes for config

api/panel/user.go

@@ -2,6 +2,7 @@ package panel
 
 import (
 	"fmt"
+	log "github.com/sirupsen/logrus"
 
 	"github.com/goccy/go-json"
 )
@@ -66,5 +67,6 @@ func (c *Client) ReportUserTraffic(userTraffic []UserTraffic) error {
 	if err != nil {
 		return err
 	}
+	log.Println(r.String())
 	return nil
 }

common/json5/json5.go

@@ -0,0 +1,112 @@
+package json5
+
+import (
+	"bytes"
+	"io"
+)
+
+type TrimNodeReader struct {
+	r  io.Reader
+	br *bytes.Reader
+}
+
+func isNL(c byte) bool {
+	return c == '\n' || c == '\r'
+}
+
+func isWS(c byte) bool {
+	return c == ' ' || c == '\t' || isNL(c)
+}
+
+func consumeComment(s []byte, i int) int {
+	if i < len(s) && s[i] == '/' {
+		s[i-1] = ' '
+		for ; i < len(s) && !isNL(s[i]); i += 1 {
+			s[i] = ' '
+		}
+	}
+	if i < len(s) && s[i] == '*' {
+		s[i-1] = ' '
+		s[i] = ' '
+		for ; i < len(s); i += 1 {
+			if s[i] != '*' {
+				s[i] = ' '
+			} else {
+				s[i] = ' '
+				i++
+				if i < len(s) {
+					if s[i] == '/' {
+						s[i] = ' '
+						break
+					}
+				}
+			}
+		}
+	}
+	return i
+}
+
+func prep(r io.Reader) (s []byte, err error) {
+	buf := &bytes.Buffer{}
+	_, err = io.Copy(buf, r)
+	s = buf.Bytes()
+	if err != nil {
+		return
+	}
+
+	i := 0
+	for i < len(s) {
+		switch s[i] {
+		case '"':
+			i += 1
+			for i < len(s) {
+				if s[i] == '"' {
+					i += 1
+					break
+				} else if s[i] == '\\' {
+					i += 1
+				}
+				i += 1
+			}
+		case '/':
+			i = consumeComment(s, i+1)
+		case ',':
+			j := i
+			for {
+				i += 1
+				if i >= len(s) {
+					break
+				} else if s[i] == '}' || s[i] == ']' {
+					s[j] = ' '
+					break
+				} else if s[i] == '/' {
+					i = consumeComment(s, i+1)
+				} else if !isWS(s[i]) {
+					break
+				}
+			}
+		default:
+			i += 1
+		}
+	}
+	return
+}
+
+// Read acts as a proxy for the underlying reader and cleans p
+// of comments and trailing commas preceeding ] and }
+// comments are delimitted by // up until the end the line
+func (st *TrimNodeReader) Read(p []byte) (n int, err error) {
+	if st.br == nil {
+		var s []byte
+		if s, err = prep(st.r); err != nil {
+			return
+		}
+		st.br = bytes.NewReader(s)
+	}
+	return st.br.Read(p)
+}
+
+// NewTrimNodeReader New returns an io.Reader acting as proxy to r
+func NewTrimNodeReader(r io.Reader) io.Reader {
+	return &TrimNodeReader{r: r}
+}

conf/conf.go

@@ -2,6 +2,7 @@ package conf
 
 import (
 	"fmt"
+	"github.com/InazumaV/V2bX/common/json5"
 	"os"
 
 	"github.com/goccy/go-json"
@@ -28,5 +29,5 @@ func (p *Conf) LoadFromPath(filePath string) error {
 		return fmt.Errorf("open config file error: %s", err)
 	}
 	defer f.Close()
-	return json.NewDecoder(f).Decode(p)
+	return json.NewDecoder(json5.NewTrimNodeReader(f)).Decode(p)
 }

conf/conf_test.go

@@ -6,7 +6,7 @@ import (
 
 func TestConf_LoadFromPath(t *testing.T) {
 	c := New()
-	t.Log(c.LoadFromPath("./config.json"), c.NodeConfig)
+	t.Log(c.LoadFromPath("../example/config.json"), c.NodeConfig)
 }
 
 func TestConf_Watch(t *testing.T) {

example/config.json

@@ -1,38 +1,60 @@
 {
   "Log": {
+    // V2bX 的日志配置，独立于各 Core 的 log 配置
     "Level": "error"
   },
   "Cores": [
     {
       "Type": "sing",
+      // Core类型
       "Log": {
+        // 同 SingBox log 部分配置
         "Level": "error",
         "Timestamp": true
       }
-    },{
+      // More
+    },
+    {
       "Type": "xray",
       "Log": {
+        // 同 Xray-core log 部分配置
         "Level": "error"
       },
-      "DnsConfigPath": "",
-      ...
+      "DnsConfigPath": ""
+      // More
     }
   ],
   "Nodes": [
+    // Node配置有两种写法
     {
+      // 写法1
       "Core": "sing",
+      // Core类型
       "ApiHost": "http://127.0.0.1",
+      // API接口地址
       "ApiKey": "test",
+      // API密钥，即Token
       "NodeID": 33,
+      // 节点ID
       "NodeType": "shadowsocks",
+      // 节点类型
       "Timeout": 30,
+      // 请求超时时间
       "RuleListPath": "",
+      // 本地审计规则
       "ListenIP": "0.0.0.0",
+      // 监听IP
       "SendIP": "0.0.0.0",
+      // 发送IP
       "EnableProxyProtocol": true,
-      "EnableTFO": true,
-      ...
-    },{
+      // 开启 Proxy Protocol，参见 https://github.com/haproxy/haproxy/blob/master/doc/proxy-protocol.txt
+      "EnableTFO": true
+      // 开启 TCP Fast Open
+      // More
+    }
+    /*,
+        {
+          // 写法2
           "ApiConfig": {
             "ApiHost": "http://127.0.0.1",
             "ApiKey": "test",
@@ -43,8 +65,7 @@
           "Options": {
             "Core": "sing",
             "EnableProxyProtocol": true,
-        "EnableTFO": true,
-        ...
+            "EnableTFO": true
           }
         },
         {
@@ -58,8 +79,7 @@
           "ListenIP": "0.0.0.0",
           "SendIP": "0.0.0.0",
           "EnableProxyProtocol": true,
-      "EnableTFO": true,
-      ...
-    }
+          "EnableTFO": true
+        }*/
   ]
 }