v2ray-core/proxy/shadowsocks/config_json.go

68 lines
1.6 KiB
Go

// +build json
package shadowsocks
import (
"encoding/json"
"errors"
"strings"
"github.com/v2ray/v2ray-core/common"
"github.com/v2ray/v2ray-core/common/log"
"github.com/v2ray/v2ray-core/common/protocol"
"github.com/v2ray/v2ray-core/proxy/registry"
)
func (this *Config) UnmarshalJSON(data []byte) error {
type JsonConfig struct {
Cipher string `json:"method"`
Password string `json:"password"`
UDP bool `json:"udp"`
Level byte `json:"level"`
Email string `json:"email"`
}
jsonConfig := new(JsonConfig)
if err := json.Unmarshal(data, jsonConfig); err != nil {
return errors.New("Shadowsocks: Failed to parse config: " + err.Error())
}
this.UDP = jsonConfig.UDP
jsonConfig.Cipher = strings.ToLower(jsonConfig.Cipher)
switch jsonConfig.Cipher {
case "aes-256-cfb":
this.Cipher = &AesCfb{
KeyBytes: 32,
}
case "aes-128-cfb":
this.Cipher = &AesCfb{
KeyBytes: 16,
}
case "chacha20":
this.Cipher = &ChaCha20{
IVBytes: 8,
}
case "chacha20-ietf":
this.Cipher = &ChaCha20{
IVBytes: 12,
}
default:
log.Error("Shadowsocks: Unknown cipher method: ", jsonConfig.Cipher)
return common.ErrBadConfiguration
}
if len(jsonConfig.Password) == 0 {
log.Error("Shadowsocks: Password is not specified.")
return common.ErrBadConfiguration
}
this.Key = PasswordToCipherKey(jsonConfig.Password, this.Cipher.KeySize())
this.Level = protocol.UserLevel(jsonConfig.Level)
this.Email = jsonConfig.Email
return nil
}
func init() {
registry.RegisterInboundConfig("shadowsocks", func() interface{} { return new(Config) })
}