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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_VPN_PROVIDER_VPN_SERVICE_H_
#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_VPN_PROVIDER_VPN_SERVICE_H_
#include <memory>
#include <string>
#include <vector>
#include "base/containers/flat_map.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "base/values.h"
#include "chrome/browser/chromeos/extensions/vpn_provider/vpn_service_interface.h"
#include "chromeos/crosapi/mojom/vpn_service.mojom.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_event_histogram_value.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_registry_observer.h"
#include "extensions/browser/unloaded_extension_reason.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_id.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace content {
class BrowserContext;
class PepperVpnProviderResourceHostProxy;
} // namespace content
namespace extensions {
class ExtensionRegistry;
} // namespace extensions
namespace chromeos {
class VpnServiceForExtension
: public crosapi::mojom::EventObserverForExtension {
public:
VpnServiceForExtension(const std::string& extension_id,
content::BrowserContext*);
~VpnServiceForExtension() override;
VpnServiceForExtension(const VpnServiceForExtension&) = delete;
VpnServiceForExtension& operator=(const VpnServiceForExtension&) = delete;
// crosapi::mojom::EventObserverForExtension:
void OnConfigRemoved(const std::string& configuration_name) override;
void OnPlatformMessage(const std::string& configuration_name,
int32_t platform_message) override;
void OnPacketReceived(const std::vector<uint8_t>& data) override;
mojo::Remote<crosapi::mojom::VpnServiceForExtension>& Proxy() {
return vpn_service_;
}
private:
void DispatchEvent(std::unique_ptr<extensions::Event>) const;
const extensions::ExtensionId extension_id_;
raw_ptr<content::BrowserContext> browser_context_;
mojo::Remote<crosapi::mojom::VpnServiceForExtension> vpn_service_;
mojo::Receiver<crosapi::mojom::EventObserverForExtension> receiver_{this};
};
// The class manages the VPN configurations.
class VpnService : public extensions::api::VpnServiceInterface,
public extensions::ExtensionRegistryObserver,
public extensions::EventRouter::Observer {
public:
explicit VpnService(content::BrowserContext*);
~VpnService() override;
VpnService(const VpnService&) = delete;
VpnService& operator=(const VpnService&) = delete;
// extensions::api::VpnServiceInterface:
void SendShowAddDialogToExtension(const std::string& extension_id) override;
void SendShowConfigureDialogToExtension(
const std::string& extension_id,
const std::string& configuration_name) override;
void CreateConfiguration(const std::string& extension_id,
const std::string& configuration_name,
SuccessCallback,
FailureCallback) override;
void DestroyConfiguration(const std::string& extension_id,
const std::string& configuration_id,
SuccessCallback,
FailureCallback) override;
void SetParameters(const std::string& extension_id,
base::Value::Dict parameters,
SuccessCallback,
FailureCallback) override;
void SendPacket(const std::string& extension_id,
const std::vector<char>& data,
SuccessCallback,
FailureCallback) override;
void NotifyConnectionStateChanged(const std::string& extension_id,
bool connection_success,
SuccessCallback,
FailureCallback) override;
std::unique_ptr<content::VpnServiceProxy> GetVpnServiceProxy() override;
void Shutdown() override;
// ExtensionRegistryObserver:
void OnExtensionUninstalled(content::BrowserContext*,
const extensions::Extension*,
extensions::UninstallReason) override;
void OnExtensionUnloaded(content::BrowserContext*,
const extensions::Extension*,
extensions::UnloadedExtensionReason) override;
// EventRouter::Observer:
void OnListenerAdded(const extensions::EventListenerInfo&) override;
private:
class VpnServiceProxyImpl;
class PepperVpnProxyAdapter;
friend class VpnProviderApiTest;
friend class VpnServiceForExtension;
friend class VpnServiceFactory;
static crosapi::mojom::VpnService* GetVpnService();
mojo::Remote<crosapi::mojom::VpnServiceForExtension>&
GetVpnServiceForExtension(const std::string& extension_id);
// Sends the given event to the given extension.
void SendToExtension(const std::string& extension_id,
std::unique_ptr<extensions::Event> event);
void SendOnPlatformMessageToExtension(const std::string& extension_id,
const std::string& configuration_name,
uint32_t platform_message);
// Binds |pepper_vpn_provider_proxy| to the active configuration if it's owned
// by extension with id |extension_id|. On success all packets will be routed
// through Pepper API.
void BindPepperVpnProxy(
const std::string& extension_id,
const std::string& configuration_name,
SuccessCallback,
FailureCallback,
std::unique_ptr<content::PepperVpnProviderResourceHostProxy>);
void OnBindPepperVpnProxy(
SuccessCallback,
FailureCallback,
std::unique_ptr<PepperVpnProxyAdapter>,
mojo::PendingReceiver<crosapi::mojom::PepperVpnProxyObserver>,
crosapi::mojom::VpnErrorResponsePtr);
raw_ptr<content::BrowserContext> browser_context_;
base::ScopedObservation<extensions::ExtensionRegistry,
extensions::ExtensionRegistryObserver>
extension_registry_observer_{this};
base::flat_map<std::string, std::unique_ptr<VpnServiceForExtension>>
extension_id_to_service_;
base::WeakPtrFactory<VpnService> weak_factory_{this};
};
// Listens to incoming events and forwards them to the underlying
// PepperVpnProviderResourseHostProxy.
// * ::OnUnbind() -> pepper->SendOnUnbind()
// * ::OnPacketReceived(...) -> pepper->SendOnPacketReceived(...)
class VpnService::PepperVpnProxyAdapter
: public crosapi::mojom::PepperVpnProxyObserver {
public:
explicit PepperVpnProxyAdapter(
std::unique_ptr<content::PepperVpnProviderResourceHostProxy>);
~PepperVpnProxyAdapter() override;
// crosapi::mojom::PepperVpnProxyObserver:
void OnUnbind() override;
void OnPacketReceived(const std::vector<uint8_t>& data) override;
private:
std::unique_ptr<content::PepperVpnProviderResourceHostProxy>
pepper_vpn_proxy_;
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_EXTENSIONS_VPN_PROVIDER_VPN_SERVICE_H_
|
