add http proxy

add http proxy

add proxy code

add proxy

models/plugin/http-proxy/proxy/config.go

@@ -0,0 +1,32 @@
+package proxy
+
+import (
+	"bufio"
+	"encoding/json"
+	"os"
+)
+
+// Config 保存代理服务器的配置
+type Config struct {
+	Port string `json:"port"`
+	Auth bool   `json:"auth"`
+
+	User map[string]string `json:"user"`
+}
+
+// 从指定json文件读取config配置
+func (c *Config) GetConfig(filename string) error {
+
+	configFile, err := os.Open(filename)
+	if err != nil {
+		return err
+	}
+	defer configFile.Close()
+
+	br := bufio.NewReader(configFile)
+	err = json.NewDecoder(br).Decode(c)
+	if err != nil {
+		return err
+	}
+	return nil
+}