Move socks config into a sparate folder

proxy/socks/config/json/config.go

@@ -0,0 +1,30 @@
+package json
+
+import (
+	"encoding/json"
+)
+
+const (
+	AuthMethodNoAuth   = "noauth"
+	AuthMethodUserPass = "password"
+)
+
+type SocksConfig struct {
+	AuthMethod string `json:"auth"`
+	Username   string `json:"user"`
+	Password   string `json:"pass"`
+}
+
+func (config SocksConfig) IsNoAuth() bool {
+	return config.AuthMethod == AuthMethodNoAuth
+}
+
+func (config SocksConfig) IsPassword() bool {
+	return config.AuthMethod == AuthMethodUserPass
+}
+
+func Load(rawConfig []byte) (SocksConfig, error) {
+	config := SocksConfig{}
+	err := json.Unmarshal(rawConfig, &config)
+	return config, err
+}