/
initialize.go
159 lines (146 loc) · 5.45 KB
/
initialize.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
// ************************************************************************
// Copyright (C) 2022 plgd.dev, s.r.o.
//
// 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"
"github.com/google/uuid"
"github.com/plgd-dev/client-application/pb"
"github.com/plgd-dev/client-application/service/config"
configDevice "github.com/plgd-dev/client-application/service/config/device"
serviceDevice "github.com/plgd-dev/client-application/service/device"
"github.com/plgd-dev/hub/v2/identity-store/events"
"github.com/plgd-dev/hub/v2/pkg/log"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
const errAlreadyInitialized = "already initialized"
func (s *ClientApplicationServer) InitializeRemoteProvisioning(ctx context.Context, req *pb.InitializeRequest) (*pb.InitializeResponse, error) {
err := s.UpdateJSONWebKeys(ctx, req.GetJwks())
if err != nil {
return nil, err
}
cfg := s.GetConfig()
cfg.Clients.Device.COAP.TLS.Authentication = configDevice.AuthenticationX509
devService, err := serviceDevice.New(context.Background(), func() configDevice.Config {
return cfg.Clients.Device
}, s.logger)
if err != nil {
return nil, err
}
respCsr, err := s.getIdentityCSR(ctx, devService)
if err != nil {
if err2 := s.reset(ctx, true); err2 != nil {
s.logger.Errorf("cannot reset previous device: %w", err2)
}
return nil, err
}
return &pb.InitializeResponse{
IdentityCertificateChallenge: respCsr,
}, nil
}
func (s *ClientApplicationServer) init(ctx context.Context, devService *serviceDevice.Service) {
err := s.reset(ctx, false)
if err != nil {
s.logger.Errorf("cannot reset previous device service setup during initialization: %w", err)
}
s.serviceDevice.Store(devService)
go func() {
err := devService.Serve()
if err != nil {
s.logger.Warnf("device service cannot serve coap connections: %v", err)
}
}()
}
func (s *ClientApplicationServer) updatePSK(subjectUUID, key string, save bool) (config.Config, error) {
cfg := s.GetConfig()
if subjectUUID == "" || key == "" {
cfg.Clients.Device.COAP.TLS.Authentication = configDevice.AuthenticationUninitialized
} else {
cfg.Clients.Device.COAP.TLS.Authentication = configDevice.AuthenticationPreSharedKey
}
cfg.Clients.Device.COAP.TLS.PreSharedKey.Key = key
cfg.Clients.Device.COAP.TLS.PreSharedKey.SubjectIDStr = subjectUUID
var err error
if save {
err = s.StoreConfig(&cfg)
} else {
err = cfg.Validate()
}
if err != nil {
return config.Config{}, err
}
s.config.Store(&cfg)
return cfg, nil
}
func (s *ClientApplicationServer) initWithPSK(ctx context.Context, subjectUUID, key string, save bool) error {
cfg, err := s.updatePSK(subjectUUID, key, save)
if err != nil {
return err
}
cfg.RemoteProvisioning.Mode = pb.RemoteProvisioning_MODE_NONE
devService, err := serviceDevice.New(context.Background(), func() configDevice.Config {
return cfg.Clients.Device
}, s.logger)
if err != nil {
return err
}
s.init(ctx, devService)
return nil
}
func (s *ClientApplicationServer) Initialize(ctx context.Context, req *pb.InitializeRequest) (*pb.InitializeResponse, error) {
s.initializationMutex.Lock()
defer s.initializationMutex.Unlock()
devService := s.serviceDevice.Load()
if devService != nil && devService.IsInitialized() {
return nil, status.Errorf(codes.FailedPrecondition, errAlreadyInitialized)
}
if req.GetPreSharedKey() == nil {
return s.InitializeRemoteProvisioning(ctx, req)
}
if req.GetPreSharedKey().GetSubjectId() == "" {
return nil, status.Errorf(codes.InvalidArgument, "invalid pre-shared subjectId(%v)", req.GetPreSharedKey().GetSubjectId())
}
subjectID := events.OwnerToUUID(req.GetPreSharedKey().GetSubjectId())
_, err := uuid.Parse(subjectID)
if err != nil {
return nil, status.Errorf(codes.InvalidArgument, "invalid pre-shared subjectId(%v): %v", req.GetPreSharedKey().GetSubjectId(), err)
}
if req.GetPreSharedKey().GetKey() == "" {
return nil, status.Errorf(codes.InvalidArgument, "invalid pre-shared key")
}
if err := s.initWithPSK(ctx, req.GetPreSharedKey().GetSubjectId(), req.GetPreSharedKey().GetKey(), req.GetPreSharedKey().GetSave()); err != nil {
return nil, err
}
if _, err := s.ClearCache(ctx, &pb.ClearCacheRequest{}); err != nil {
log.Warnf("cannot clear device cache: %v", err)
}
return &pb.InitializeResponse{}, nil
}
func (s *ClientApplicationServer) FinishInitialize(ctx context.Context, req *pb.FinishInitializeRequest) (*pb.FinishInitializeResponse, error) {
s.initializationMutex.Lock()
defer s.initializationMutex.Unlock()
devService := s.serviceDevice.Load()
if devService != nil && devService.IsInitialized() {
return nil, status.Errorf(codes.FailedPrecondition, errAlreadyInitialized)
}
if err := s.updateIdentityCertificate(ctx, req); err != nil {
return nil, err
}
if _, err := s.ClearCache(ctx, &pb.ClearCacheRequest{}); err != nil {
log.Warnf("cannot clear device cache: %v", err)
}
return &pb.FinishInitializeResponse{}, nil
}