1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/browser/extensions/chrome_extensions_browser_client.h"
6
7 #include "base/command_line.h"
8 #include "base/path_service.h"
9 #include "base/version.h"
10 #include "chrome/browser/app_mode/app_mode_utils.h"
11 #include "chrome/browser/browser_process.h"
12 #include "chrome/browser/extensions/activity_log/activity_log.h"
13 #include "chrome/browser/extensions/api/chrome_extensions_api_client.h"
14 #include "chrome/browser/extensions/api/content_settings/content_settings_service.h"
15 #include "chrome/browser/extensions/api/generated_api_registration.h"
16 #include "chrome/browser/extensions/api/preference/chrome_direct_setting.h"
17 #include "chrome/browser/extensions/api/preference/preference_api.h"
18 #include "chrome/browser/extensions/api/runtime/chrome_runtime_api_delegate.h"
19 #include "chrome/browser/extensions/chrome_app_sorting.h"
20 #include "chrome/browser/extensions/chrome_component_extension_resource_manager.h"
21 #include "chrome/browser/extensions/chrome_extension_host_delegate.h"
22 #include "chrome/browser/extensions/chrome_process_manager_delegate.h"
23 #include "chrome/browser/extensions/chrome_url_request_util.h"
24 #include "chrome/browser/extensions/event_router_forwarder.h"
25 #include "chrome/browser/extensions/extension_system_factory.h"
26 #include "chrome/browser/extensions/extension_util.h"
27 #include "chrome/browser/external_protocol/external_protocol_handler.h"
28 #include "chrome/browser/net/chrome_net_log.h"
29 #include "chrome/browser/profiles/profile.h"
30 #include "chrome/browser/profiles/profile_manager.h"
31 #include "chrome/common/chrome_paths.h"
32 #include "chrome/common/chrome_switches.h"
33 #include "chrome/common/chrome_version_info.h"
34 #include "chrome/common/extensions/features/feature_channel.h"
35 #include "chrome/common/pref_names.h"
36 #include "extensions/browser/api/generated_api_registration.h"
37 #include "extensions/browser/extension_function_registry.h"
38 #include "extensions/browser/extension_prefs.h"
39 #include "extensions/browser/pref_names.h"
40 #include "extensions/browser/url_request_util.h"
41
42 #if defined(OS_CHROMEOS)
43 #include "chromeos/chromeos_switches.h"
44 #endif
45
46 namespace extensions {
47
ChromeExtensionsBrowserClient()48 ChromeExtensionsBrowserClient::ChromeExtensionsBrowserClient() {
49 process_manager_delegate_.reset(new ChromeProcessManagerDelegate);
50 api_client_.reset(new ChromeExtensionsAPIClient);
51 // Only set if it hasn't already been set (e.g. by a test).
52 if (GetCurrentChannel() == GetDefaultChannel())
53 SetCurrentChannel(chrome::VersionInfo::GetChannel());
54 }
55
~ChromeExtensionsBrowserClient()56 ChromeExtensionsBrowserClient::~ChromeExtensionsBrowserClient() {}
57
IsShuttingDown()58 bool ChromeExtensionsBrowserClient::IsShuttingDown() {
59 return g_browser_process->IsShuttingDown();
60 }
61
AreExtensionsDisabled(const CommandLine & command_line,content::BrowserContext * context)62 bool ChromeExtensionsBrowserClient::AreExtensionsDisabled(
63 const CommandLine& command_line,
64 content::BrowserContext* context) {
65 Profile* profile = static_cast<Profile*>(context);
66 return command_line.HasSwitch(switches::kDisableExtensions) ||
67 profile->GetPrefs()->GetBoolean(prefs::kDisableExtensions);
68 }
69
IsValidContext(content::BrowserContext * context)70 bool ChromeExtensionsBrowserClient::IsValidContext(
71 content::BrowserContext* context) {
72 Profile* profile = static_cast<Profile*>(context);
73 return g_browser_process->profile_manager()->IsValidProfile(profile);
74 }
75
IsSameContext(content::BrowserContext * first,content::BrowserContext * second)76 bool ChromeExtensionsBrowserClient::IsSameContext(
77 content::BrowserContext* first,
78 content::BrowserContext* second) {
79 return static_cast<Profile*>(first)->IsSameProfile(
80 static_cast<Profile*>(second));
81 }
82
HasOffTheRecordContext(content::BrowserContext * context)83 bool ChromeExtensionsBrowserClient::HasOffTheRecordContext(
84 content::BrowserContext* context) {
85 return static_cast<Profile*>(context)->HasOffTheRecordProfile();
86 }
87
GetOffTheRecordContext(content::BrowserContext * context)88 content::BrowserContext* ChromeExtensionsBrowserClient::GetOffTheRecordContext(
89 content::BrowserContext* context) {
90 return static_cast<Profile*>(context)->GetOffTheRecordProfile();
91 }
92
GetOriginalContext(content::BrowserContext * context)93 content::BrowserContext* ChromeExtensionsBrowserClient::GetOriginalContext(
94 content::BrowserContext* context) {
95 return static_cast<Profile*>(context)->GetOriginalProfile();
96 }
97
IsGuestSession(content::BrowserContext * context) const98 bool ChromeExtensionsBrowserClient::IsGuestSession(
99 content::BrowserContext* context) const {
100 return static_cast<Profile*>(context)->IsGuestSession();
101 }
102
IsExtensionIncognitoEnabled(const std::string & extension_id,content::BrowserContext * context) const103 bool ChromeExtensionsBrowserClient::IsExtensionIncognitoEnabled(
104 const std::string& extension_id,
105 content::BrowserContext* context) const {
106 return IsGuestSession(context)
107 || util::IsIncognitoEnabled(extension_id, context);
108 }
109
CanExtensionCrossIncognito(const extensions::Extension * extension,content::BrowserContext * context) const110 bool ChromeExtensionsBrowserClient::CanExtensionCrossIncognito(
111 const extensions::Extension* extension,
112 content::BrowserContext* context) const {
113 return IsGuestSession(context)
114 || util::CanCrossIncognito(extension, context);
115 }
116
117 net::URLRequestJob*
MaybeCreateResourceBundleRequestJob(net::URLRequest * request,net::NetworkDelegate * network_delegate,const base::FilePath & directory_path,const std::string & content_security_policy,bool send_cors_header)118 ChromeExtensionsBrowserClient::MaybeCreateResourceBundleRequestJob(
119 net::URLRequest* request,
120 net::NetworkDelegate* network_delegate,
121 const base::FilePath& directory_path,
122 const std::string& content_security_policy,
123 bool send_cors_header) {
124 return chrome_url_request_util::MaybeCreateURLRequestResourceBundleJob(
125 request,
126 network_delegate,
127 directory_path,
128 content_security_policy,
129 send_cors_header);
130 }
131
AllowCrossRendererResourceLoad(net::URLRequest * request,bool is_incognito,const Extension * extension,InfoMap * extension_info_map)132 bool ChromeExtensionsBrowserClient::AllowCrossRendererResourceLoad(
133 net::URLRequest* request,
134 bool is_incognito,
135 const Extension* extension,
136 InfoMap* extension_info_map) {
137 bool allowed = false;
138 if (chrome_url_request_util::AllowCrossRendererResourceLoad(
139 request, is_incognito, extension, extension_info_map, &allowed))
140 return allowed;
141
142 // Couldn't determine if resource is allowed. Block the load.
143 return false;
144 }
145
GetPrefServiceForContext(content::BrowserContext * context)146 PrefService* ChromeExtensionsBrowserClient::GetPrefServiceForContext(
147 content::BrowserContext* context) {
148 return static_cast<Profile*>(context)->GetPrefs();
149 }
150
GetEarlyExtensionPrefsObservers(content::BrowserContext * context,std::vector<ExtensionPrefsObserver * > * observers) const151 void ChromeExtensionsBrowserClient::GetEarlyExtensionPrefsObservers(
152 content::BrowserContext* context,
153 std::vector<ExtensionPrefsObserver*>* observers) const {
154 observers->push_back(ContentSettingsService::Get(context));
155 }
156
157 ProcessManagerDelegate*
GetProcessManagerDelegate() const158 ChromeExtensionsBrowserClient::GetProcessManagerDelegate() const {
159 return process_manager_delegate_.get();
160 }
161
162 scoped_ptr<ExtensionHostDelegate>
CreateExtensionHostDelegate()163 ChromeExtensionsBrowserClient::CreateExtensionHostDelegate() {
164 return scoped_ptr<ExtensionHostDelegate>(new ChromeExtensionHostDelegate);
165 }
166
DidVersionUpdate(content::BrowserContext * context)167 bool ChromeExtensionsBrowserClient::DidVersionUpdate(
168 content::BrowserContext* context) {
169 Profile* profile = static_cast<Profile*>(context);
170
171 // Unit tests may not provide prefs; assume everything is up-to-date.
172 ExtensionPrefs* extension_prefs = ExtensionPrefs::Get(profile);
173 if (!extension_prefs)
174 return false;
175
176 // If we're inside a browser test, then assume prefs are all up-to-date.
177 if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kTestType))
178 return false;
179
180 PrefService* pref_service = extension_prefs->pref_service();
181 base::Version last_version;
182 if (pref_service->HasPrefPath(pref_names::kLastChromeVersion)) {
183 std::string last_version_str =
184 pref_service->GetString(pref_names::kLastChromeVersion);
185 last_version = base::Version(last_version_str);
186 }
187
188 chrome::VersionInfo current_version_info;
189 std::string current_version = current_version_info.Version();
190 pref_service->SetString(pref_names::kLastChromeVersion,
191 current_version);
192
193 // If there was no version string in prefs, assume we're out of date.
194 if (!last_version.IsValid())
195 return true;
196
197 return last_version.IsOlderThan(current_version);
198 }
199
PermitExternalProtocolHandler()200 void ChromeExtensionsBrowserClient::PermitExternalProtocolHandler() {
201 ExternalProtocolHandler::PermitLaunchUrl();
202 }
203
CreateAppSorting()204 scoped_ptr<AppSorting> ChromeExtensionsBrowserClient::CreateAppSorting() {
205 return scoped_ptr<AppSorting>(new ChromeAppSorting());
206 }
207
IsRunningInForcedAppMode()208 bool ChromeExtensionsBrowserClient::IsRunningInForcedAppMode() {
209 return chrome::IsRunningInForcedAppMode();
210 }
211
GetApiActivityMonitor(content::BrowserContext * context)212 ApiActivityMonitor* ChromeExtensionsBrowserClient::GetApiActivityMonitor(
213 content::BrowserContext* context) {
214 // The ActivityLog monitors and records function calls and events.
215 return ActivityLog::GetInstance(context);
216 }
217
218 ExtensionSystemProvider*
GetExtensionSystemFactory()219 ChromeExtensionsBrowserClient::GetExtensionSystemFactory() {
220 return ExtensionSystemFactory::GetInstance();
221 }
222
RegisterExtensionFunctions(ExtensionFunctionRegistry * registry) const223 void ChromeExtensionsBrowserClient::RegisterExtensionFunctions(
224 ExtensionFunctionRegistry* registry) const {
225 // Preferences.
226 registry->RegisterFunction<extensions::GetPreferenceFunction>();
227 registry->RegisterFunction<extensions::SetPreferenceFunction>();
228 registry->RegisterFunction<extensions::ClearPreferenceFunction>();
229
230 // Direct Preference Access for Component Extensions.
231 registry->RegisterFunction<
232 extensions::chromedirectsetting::GetDirectSettingFunction>();
233 registry->RegisterFunction<
234 extensions::chromedirectsetting::SetDirectSettingFunction>();
235 registry->RegisterFunction<
236 extensions::chromedirectsetting::ClearDirectSettingFunction>();
237
238 // Generated APIs from lower-level modules.
239 extensions::core_api::GeneratedFunctionRegistry::RegisterAll(registry);
240
241 // Generated APIs from Chrome.
242 extensions::api::GeneratedFunctionRegistry::RegisterAll(registry);
243 }
244
245 ComponentExtensionResourceManager*
GetComponentExtensionResourceManager()246 ChromeExtensionsBrowserClient::GetComponentExtensionResourceManager() {
247 if (!resource_manager_)
248 resource_manager_.reset(new ChromeComponentExtensionResourceManager());
249 return resource_manager_.get();
250 }
251
BroadcastEventToRenderers(const std::string & event_name,scoped_ptr<base::ListValue> args)252 void ChromeExtensionsBrowserClient::BroadcastEventToRenderers(
253 const std::string& event_name,
254 scoped_ptr<base::ListValue> args) {
255 g_browser_process->extension_event_router_forwarder()
256 ->BroadcastEventToRenderers(event_name, args.Pass(), GURL());
257 }
258
GetNetLog()259 net::NetLog* ChromeExtensionsBrowserClient::GetNetLog() {
260 return g_browser_process->net_log();
261 }
262
263 scoped_ptr<extensions::RuntimeAPIDelegate>
CreateRuntimeAPIDelegate(content::BrowserContext * context) const264 ChromeExtensionsBrowserClient::CreateRuntimeAPIDelegate(
265 content::BrowserContext* context) const {
266 return scoped_ptr<extensions::RuntimeAPIDelegate>(
267 new ChromeRuntimeAPIDelegate(context));
268 }
269
270 } // namespace extensions
271