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auth.go
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auth.go
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// 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"
"github.com/HaidyCao/frp_0380/pkg/consts"
"github.com/HaidyCao/frp_0380/pkg/msg"
)
type BaseConfig struct {
// AuthenticationMethod specifies what authentication method to use to
// authenticate frpc with frps. If "token" is specified - token will be
// read into login message. If "oidc" is specified - OIDC (Open ID Connect)
// token will be issued using OIDC settings. By default, this value is "token".
AuthenticationMethod string `ini:"authentication_method" json:"authentication_method"`
// AuthenticateHeartBeats specifies whether to include authentication token in
// heartbeats sent to frps. By default, this value is false.
AuthenticateHeartBeats bool `ini:"authenticate_heartbeats" json:"authenticate_heartbeats"`
// AuthenticateNewWorkConns specifies whether to include authentication token in
// new work connections sent to frps. By default, this value is false.
AuthenticateNewWorkConns bool `ini:"authenticate_new_work_conns" json:"authenticate_new_work_conns"`
}
func getDefaultBaseConf() BaseConfig {
return BaseConfig{
AuthenticationMethod: "token",
AuthenticateHeartBeats: false,
AuthenticateNewWorkConns: false,
}
}
type ClientConfig struct {
BaseConfig `ini:",extends"`
OidcClientConfig `ini:",extends"`
TokenConfig `ini:",extends"`
}
func GetDefaultClientConf() ClientConfig {
return ClientConfig{
BaseConfig: getDefaultBaseConf(),
OidcClientConfig: getDefaultOidcClientConf(),
TokenConfig: getDefaultTokenConf(),
}
}
type ServerConfig struct {
BaseConfig `ini:",extends"`
OidcServerConfig `ini:",extends"`
TokenConfig `ini:",extends"`
}
func GetDefaultServerConf() ServerConfig {
return ServerConfig{
BaseConfig: getDefaultBaseConf(),
OidcServerConfig: getDefaultOidcServerConf(),
TokenConfig: getDefaultTokenConf(),
}
}
type Setter interface {
SetLogin(*msg.Login) error
SetPing(*msg.Ping) error
SetNewWorkConn(*msg.NewWorkConn) error
}
func NewAuthSetter(cfg ClientConfig) (authProvider Setter) {
switch cfg.AuthenticationMethod {
case consts.TokenAuthMethod:
authProvider = NewTokenAuth(cfg.BaseConfig, cfg.TokenConfig)
case consts.OidcAuthMethod:
authProvider = NewOidcAuthSetter(cfg.BaseConfig, cfg.OidcClientConfig)
default:
panic(fmt.Sprintf("wrong authentication method: '%s'", cfg.AuthenticationMethod))
}
return authProvider
}
type Verifier interface {
VerifyLogin(*msg.Login) error
VerifyPing(*msg.Ping) error
VerifyNewWorkConn(*msg.NewWorkConn) error
}
func NewAuthVerifier(cfg ServerConfig) (authVerifier Verifier) {
switch cfg.AuthenticationMethod {
case consts.TokenAuthMethod:
authVerifier = NewTokenAuth(cfg.BaseConfig, cfg.TokenConfig)
case consts.OidcAuthMethod:
authVerifier = NewOidcAuthVerifier(cfg.BaseConfig, cfg.OidcServerConfig)
}
return authVerifier
}