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