mirror of https://github.com/fatedier/frp
104 lines
2.8 KiB
Go
104 lines
2.8 KiB
Go
// Copyright 2020 guylewin, guy@lewin.co.il
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package auth
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/fatedier/frp/pkg/msg"
|
|
"github.com/fatedier/frp/pkg/util/util"
|
|
)
|
|
|
|
type TokenConfig struct {
|
|
// Token specifies the authorization token used to create keys to be sent
|
|
// to the server. The server must have a matching token for authorization
|
|
// to succeed. By default, this value is "".
|
|
Token string `ini:"token" json:"token"`
|
|
}
|
|
|
|
func getDefaultTokenConf() TokenConfig {
|
|
return TokenConfig{
|
|
Token: "",
|
|
}
|
|
}
|
|
|
|
type TokenAuthSetterVerifier struct {
|
|
BaseConfig
|
|
|
|
token string
|
|
}
|
|
|
|
func NewTokenAuth(baseCfg BaseConfig, cfg TokenConfig) *TokenAuthSetterVerifier {
|
|
return &TokenAuthSetterVerifier{
|
|
BaseConfig: baseCfg,
|
|
token: cfg.Token,
|
|
}
|
|
}
|
|
|
|
func (auth *TokenAuthSetterVerifier) SetLogin(loginMsg *msg.Login) (err error) {
|
|
loginMsg.PrivilegeKey = util.GetAuthKey(auth.token, loginMsg.Timestamp)
|
|
return nil
|
|
}
|
|
|
|
func (auth *TokenAuthSetterVerifier) SetPing(pingMsg *msg.Ping) error {
|
|
if !auth.AuthenticateHeartBeats {
|
|
return nil
|
|
}
|
|
|
|
pingMsg.Timestamp = time.Now().Unix()
|
|
pingMsg.PrivilegeKey = util.GetAuthKey(auth.token, pingMsg.Timestamp)
|
|
return nil
|
|
}
|
|
|
|
func (auth *TokenAuthSetterVerifier) SetNewWorkConn(newWorkConnMsg *msg.NewWorkConn) error {
|
|
if !auth.AuthenticateNewWorkConns {
|
|
return nil
|
|
}
|
|
|
|
newWorkConnMsg.Timestamp = time.Now().Unix()
|
|
newWorkConnMsg.PrivilegeKey = util.GetAuthKey(auth.token, newWorkConnMsg.Timestamp)
|
|
return nil
|
|
}
|
|
|
|
func (auth *TokenAuthSetterVerifier) VerifyLogin(m *msg.Login) error {
|
|
if !util.ConstantTimeEqString(util.GetAuthKey(auth.token, m.Timestamp), m.PrivilegeKey) {
|
|
return fmt.Errorf("token in login doesn't match token from configuration")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (auth *TokenAuthSetterVerifier) VerifyPing(m *msg.Ping) error {
|
|
if !auth.AuthenticateHeartBeats {
|
|
return nil
|
|
}
|
|
|
|
if !util.ConstantTimeEqString(util.GetAuthKey(auth.token, m.Timestamp), m.PrivilegeKey) {
|
|
return fmt.Errorf("token in heartbeat doesn't match token from configuration")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (auth *TokenAuthSetterVerifier) VerifyNewWorkConn(m *msg.NewWorkConn) error {
|
|
if !auth.AuthenticateNewWorkConns {
|
|
return nil
|
|
}
|
|
|
|
if !util.ConstantTimeEqString(util.GetAuthKey(auth.token, m.Timestamp), m.PrivilegeKey) {
|
|
return fmt.Errorf("token in NewWorkConn doesn't match token from configuration")
|
|
}
|
|
return nil
|
|
}
|