woodpecker/server/grpc/auth_server.go
6543 6c58e9db9b
Fix agent auth (#1952)
if no global agent secret set, disable agent registration via it
2023-07-08 18:09:34 +02:00

93 lines
2.7 KiB
Go

// Copyright 2023 Woodpecker Authors
//
// 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 grpc
import (
"context"
"errors"
"fmt"
"github.com/rs/zerolog/log"
"github.com/woodpecker-ci/woodpecker/pipeline/rpc/proto"
"github.com/woodpecker-ci/woodpecker/server/model"
"github.com/woodpecker-ci/woodpecker/server/store"
"github.com/woodpecker-ci/woodpecker/server/store/types"
)
type WoodpeckerAuthServer struct {
proto.UnimplementedWoodpeckerAuthServer
jwtManager *JWTManager
agentMasterToken string
store store.Store
}
func NewWoodpeckerAuthServer(jwtManager *JWTManager, agentMasterToken string, store store.Store) *WoodpeckerAuthServer {
return &WoodpeckerAuthServer{jwtManager: jwtManager, agentMasterToken: agentMasterToken, store: store}
}
func (s *WoodpeckerAuthServer) Auth(_ context.Context, req *proto.AuthRequest) (*proto.AuthResponse, error) {
agent, err := s.getAgent(req.AgentId, req.AgentToken)
if err != nil {
return nil, fmt.Errorf("Agent could not auth: %w", err)
}
accessToken, err := s.jwtManager.Generate(agent.ID)
if err != nil {
return nil, err
}
return &proto.AuthResponse{
Status: "ok",
AgentId: agent.ID,
AccessToken: accessToken,
}, nil
}
func (s *WoodpeckerAuthServer) getAgent(agentID int64, agentToken string) (*model.Agent, error) {
// global agent secret auth
if s.agentMasterToken != "" {
if agentToken == s.agentMasterToken && agentID == -1 {
agent := new(model.Agent)
agent.Name = ""
agent.OwnerID = -1 // system agent
agent.Token = s.agentMasterToken
agent.Backend = ""
agent.Platform = ""
agent.Capacity = -1
err := s.store.AgentCreate(agent)
if err != nil {
log.Err(err).Msgf("Error creating system agent: %s", err)
return nil, err
}
return agent, nil
}
if agentToken == s.agentMasterToken {
agent, err := s.store.AgentFind(agentID)
if err != nil && errors.Is(err, types.RecordNotExist) {
return nil, fmt.Errorf("AgentID not found in database")
}
return agent, err
}
}
// individual agent token auth
agent, err := s.store.AgentFindByToken(agentToken)
if err != nil && errors.Is(err, types.RecordNotExist) {
return nil, fmt.Errorf("individual agent not found by token: %w", err)
}
return agent, err
}