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
|
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/cryptauth/cryptauth_gcm_manager_impl.h"
#include "base/bind.h"
#include "base/strings/string_util.h"
#include "components/cryptauth/pref_names.h"
#include "components/gcm_driver/gcm_driver.h"
#include "components/prefs/pref_service.h"
#include "components/proximity_auth/logging/logging.h"
namespace cryptauth {
namespace {
// The GCM app id identifies the client.
const char kCryptAuthGCMAppId[] = "com.google.chrome.cryptauth";
// The GCM sender id identifies the CryptAuth server.
const char kCryptAuthGCMSenderId[] = "381449029288";
// The 'registrationTickleType' key-value pair is present in GCM push
// messages. The values correspond to a server-side enum.
const char kRegistrationTickleTypeKey[] = "registrationTickleType";
const char kRegistrationTickleTypeForceEnrollment[] = "1";
const char kRegistrationTickleTypeUpdateEnrollment[] = "2";
const char kRegistrationTickleTypeDevicesSync[] = "3";
} // namespace
CryptAuthGCMManagerImpl::CryptAuthGCMManagerImpl(gcm::GCMDriver* gcm_driver,
PrefService* pref_service)
: gcm_driver_(gcm_driver),
pref_service_(pref_service),
registration_in_progress_(false),
weak_ptr_factory_(this) {
}
CryptAuthGCMManagerImpl::~CryptAuthGCMManagerImpl() {
if (gcm_driver_->GetAppHandler(kCryptAuthGCMAppId) == this)
gcm_driver_->RemoveAppHandler(kCryptAuthGCMAppId);
}
void CryptAuthGCMManagerImpl::StartListening() {
if (gcm_driver_->GetAppHandler(kCryptAuthGCMAppId) == this) {
PA_LOG(INFO) << "GCM app handler already added";
return;
}
gcm_driver_->AddAppHandler(kCryptAuthGCMAppId, this);
}
void CryptAuthGCMManagerImpl::RegisterWithGCM() {
if (registration_in_progress_) {
PA_LOG(INFO) << "GCM Registration is already in progress";
return;
}
PA_LOG(INFO) << "Beginning GCM registration...";
registration_in_progress_ = true;
std::vector<std::string> sender_ids(1, kCryptAuthGCMSenderId);
gcm_driver_->Register(
kCryptAuthGCMAppId, sender_ids,
base::Bind(&CryptAuthGCMManagerImpl::OnRegistrationCompleted,
weak_ptr_factory_.GetWeakPtr()));
}
std::string CryptAuthGCMManagerImpl::GetRegistrationId() {
return pref_service_->GetString(prefs::kCryptAuthGCMRegistrationId);
}
void CryptAuthGCMManagerImpl::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void CryptAuthGCMManagerImpl::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
void CryptAuthGCMManagerImpl::ShutdownHandler() {
}
void CryptAuthGCMManagerImpl::OnStoreReset() {
// We will automatically re-register to GCM and re-enroll the new registration
// ID to Cryptauth during the next scheduled sync.
pref_service_->ClearPref(prefs::kCryptAuthGCMRegistrationId);
}
void CryptAuthGCMManagerImpl::OnMessage(const std::string& app_id,
const gcm::IncomingMessage& message) {
std::vector<std::string> fields;
for (const auto& kv : message.data) {
fields.push_back(std::string(kv.first) + ": " + std::string(kv.second));
}
PA_LOG(INFO) << "GCM message received:\n"
<< " sender_id: " << message.sender_id << "\n"
<< " collapse_key: " << message.collapse_key << "\n"
<< " data:\n " << base::JoinString(fields, "\n ");
if (message.data.find(kRegistrationTickleTypeKey) == message.data.end()) {
PA_LOG(WARNING) << "GCM message does not contain 'registrationTickleType'.";
} else {
std::string tickle_type = message.data.at(kRegistrationTickleTypeKey);
if (tickle_type == kRegistrationTickleTypeForceEnrollment ||
tickle_type == kRegistrationTickleTypeUpdateEnrollment) {
// These tickle types correspond to re-enrollment messages.
for (auto& observer : observers_)
observer.OnReenrollMessage();
} else if (tickle_type == kRegistrationTickleTypeDevicesSync) {
for (auto& observer : observers_)
observer.OnResyncMessage();
} else {
PA_LOG(WARNING) << "Unknown tickle type in GCM message.";
}
}
}
void CryptAuthGCMManagerImpl::OnMessagesDeleted(const std::string& app_id) {
}
void CryptAuthGCMManagerImpl::OnSendError(
const std::string& app_id,
const gcm::GCMClient::SendErrorDetails& details) {
NOTREACHED();
}
void CryptAuthGCMManagerImpl::OnSendAcknowledged(
const std::string& app_id,
const std::string& message_id) {
NOTREACHED();
}
void CryptAuthGCMManagerImpl::OnRegistrationCompleted(
const std::string& registration_id,
gcm::GCMClient::Result result) {
registration_in_progress_ = false;
if (result != gcm::GCMClient::SUCCESS) {
PA_LOG(WARNING) << "GCM registration failed with result="
<< static_cast<int>(result);
for (auto& observer : observers_)
observer.OnGCMRegistrationResult(false);
return;
}
PA_LOG(INFO) << "GCM registration success, registration_id="
<< registration_id;
pref_service_->SetString(prefs::kCryptAuthGCMRegistrationId, registration_id);
for (auto& observer : observers_)
observer.OnGCMRegistrationResult(true);
}
} // namespace cryptauth
|
