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1 // Copyright 2015 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/chromeos/arc/arc_settings_service.h" | |
6 | |
7 #include <string> | |
8 | |
9 #include "base/gtest_prod_util.h" | |
10 #include "base/json/json_writer.h" | |
11 #include "base/strings/stringprintf.h" | |
12 #include "base/values.h" | |
13 #include "chrome/browser/browser_process.h" | |
14 #include "chrome/browser/chromeos/arc/arc_auth_service.h" | |
15 #include "chrome/browser/chromeos/net/onc_utils.h" | |
16 #include "chrome/browser/chromeos/proxy_config_service_impl.h" | |
17 #include "chrome/browser/chromeos/settings/cros_settings.h" | |
18 #include "chrome/browser/profiles/profile_manager.h" | |
19 #include "chrome/common/pref_names.h" | |
20 #include "chromeos/network/network_handler.h" | |
21 #include "chromeos/network/network_state.h" | |
22 #include "chromeos/network/network_state_handler.h" | |
23 #include "chromeos/network/network_state_handler_observer.h" | |
24 #include "chromeos/settings/cros_settings_names.h" | |
25 #include "chromeos/settings/timezone_settings.h" | |
26 #include "components/arc/arc_bridge_service.h" | |
27 #include "components/arc/intent_helper/font_size_util.h" | |
28 #include "components/prefs/pref_change_registrar.h" | |
29 #include "components/prefs/pref_service.h" | |
30 #include "components/proxy_config/pref_proxy_config_tracker_impl.h" | |
31 #include "components/proxy_config/proxy_config_dictionary.h" | |
32 #include "components/proxy_config/proxy_config_pref_names.h" | |
33 #include "device/bluetooth/bluetooth_adapter.h" | |
34 #include "device/bluetooth/bluetooth_adapter_factory.h" | |
35 #include "net/proxy/proxy_config.h" | |
36 | |
37 using ::chromeos::CrosSettings; | |
38 using ::chromeos::system::TimezoneSettings; | |
39 | |
40 namespace { | |
41 | |
42 constexpr uint32_t kMinVersionForSendBroadcast = 1; | |
43 | |
44 bool GetHttpProxyServer(const ProxyConfigDictionary* proxy_config_dict, | |
45 std::string* host, | |
46 int* port) { | |
47 std::string proxy_rules_string; | |
48 if (!proxy_config_dict->GetProxyServer(&proxy_rules_string)) | |
49 return false; | |
50 | |
51 net::ProxyConfig::ProxyRules proxy_rules; | |
52 proxy_rules.ParseFromString(proxy_rules_string); | |
53 | |
54 const net::ProxyList* proxy_list = nullptr; | |
55 if (proxy_rules.type == net::ProxyConfig::ProxyRules::TYPE_SINGLE_PROXY) { | |
56 proxy_list = &proxy_rules.single_proxies; | |
57 } else if (proxy_rules.type == | |
58 net::ProxyConfig::ProxyRules::TYPE_PROXY_PER_SCHEME) { | |
59 proxy_list = proxy_rules.MapUrlSchemeToProxyList(url::kHttpScheme); | |
60 } | |
61 if (!proxy_list || proxy_list->IsEmpty()) | |
62 return false; | |
63 | |
64 const net::ProxyServer& server = proxy_list->Get(); | |
65 *host = server.host_port_pair().host(); | |
66 *port = server.host_port_pair().port(); | |
67 return !host->empty() && *port; | |
68 } | |
69 | |
70 // Returns whether kProxy pref proxy config is applied. | |
71 bool IsPrefProxyConfigApplied() { | |
72 net::ProxyConfig config; | |
73 Profile* profile = ProfileManager::GetActiveUserProfile(); | |
74 return PrefProxyConfigTrackerImpl::PrefPrecedes( | |
75 PrefProxyConfigTrackerImpl::ReadPrefConfig(profile->GetPrefs(), &config)); | |
76 } | |
77 | |
78 } // namespace | |
79 | |
80 namespace arc { | |
81 | |
82 // Listens to changes for select Chrome settings (prefs) that Android cares | |
83 // about and sends the new values to Android to keep the state in sync. | |
84 class ArcSettingsServiceImpl | |
85 : public chromeos::system::TimezoneSettings::Observer, | |
86 public device::BluetoothAdapter::Observer, | |
87 public ArcAuthService::Observer, | |
88 public chromeos::NetworkStateHandlerObserver { | |
89 public: | |
90 explicit ArcSettingsServiceImpl(ArcBridgeService* arc_bridge_service); | |
91 ~ArcSettingsServiceImpl() override; | |
92 | |
93 // Called when a Chrome pref we have registered an observer for has changed. | |
94 // Obtains the new pref value and sends it to Android. | |
95 void OnPrefChanged(const std::string& pref_name) const; | |
96 | |
97 // TimezoneSettings::Observer: | |
98 void TimezoneChanged(const icu::TimeZone& timezone) override; | |
99 | |
100 // BluetoothAdapter::Observer: | |
101 void AdapterPoweredChanged(device::BluetoothAdapter* adapter, | |
102 bool powered) override; | |
103 | |
104 // ArcAuthService::Observer: | |
105 void OnInitialStart() override; | |
106 | |
107 // NetworkStateHandlerObserver: | |
108 void DefaultNetworkChanged(const chromeos::NetworkState* network) override; | |
109 | |
110 private: | |
111 // Registers to observe changes for Chrome settings we care about. | |
112 void StartObservingSettingsChanges(); | |
113 | |
114 // Stops listening for Chrome settings changes. | |
115 void StopObservingSettingsChanges(); | |
116 | |
117 // Retrieves Chrome's state for the settings that need to be synced on each | |
118 // Android boot and send it to Android. | |
119 void SyncRuntimeSettings() const; | |
120 // Send settings that need to be synced only on Android first start to | |
121 // Android. | |
122 void SyncInitialSettings() const; | |
123 void SyncFontSize() const; | |
124 void SyncLocale() const; | |
125 void SyncProxySettings() const; | |
126 void SyncReportingConsent() const; | |
127 void SyncSpokenFeedbackEnabled() const; | |
128 void SyncTimeZone() const; | |
129 void SyncUse24HourClock() const; | |
130 void SyncBackupEnabled() const; | |
131 void SyncLocationServiceEnabled() const; | |
132 | |
133 void OnBluetoothAdapterInitialized( | |
134 scoped_refptr<device::BluetoothAdapter> adapter); | |
135 | |
136 // Registers to listen to a particular perf. | |
137 void AddPrefToObserve(const std::string& pref_name); | |
138 | |
139 // Returns the integer value of the pref. pref_name must exist. | |
140 int GetIntegerPref(const std::string& pref_name) const; | |
141 | |
142 // Sends boolean pref broadcast to the delegate. | |
143 void SendBoolPrefSettingsBroadcast(const std::string& pref_name, | |
144 const std::string& action) const; | |
145 | |
146 // Sends a broadcast to the delegate. | |
147 void SendSettingsBroadcast(const std::string& action, | |
148 const base::DictionaryValue& extras) const; | |
149 | |
150 // Manages pref observation registration. | |
151 PrefChangeRegistrar registrar_; | |
152 | |
153 std::unique_ptr<chromeos::CrosSettings::ObserverSubscription> | |
154 reporting_consent_subscription_; | |
155 ArcBridgeService* const arc_bridge_service_; | |
156 | |
157 scoped_refptr<device::BluetoothAdapter> bluetooth_adapter_; | |
158 | |
159 // WeakPtrFactory to use for callback for getting the bluetooth adapter. | |
160 base::WeakPtrFactory<ArcSettingsServiceImpl> weak_factory_; | |
161 | |
162 DISALLOW_COPY_AND_ASSIGN(ArcSettingsServiceImpl); | |
163 }; | |
164 | |
165 ArcSettingsServiceImpl::ArcSettingsServiceImpl( | |
166 ArcBridgeService* arc_bridge_service) | |
167 : arc_bridge_service_(arc_bridge_service), weak_factory_(this) { | |
168 StartObservingSettingsChanges(); | |
169 SyncRuntimeSettings(); | |
170 DCHECK(ArcAuthService::Get()); | |
171 ArcAuthService::Get()->AddObserver(this); | |
172 } | |
173 | |
174 ArcSettingsServiceImpl::~ArcSettingsServiceImpl() { | |
175 StopObservingSettingsChanges(); | |
176 | |
177 ArcAuthService* arc_auth_service = ArcAuthService::Get(); | |
178 if (arc_auth_service) | |
179 arc_auth_service->RemoveObserver(this); | |
180 | |
181 if (bluetooth_adapter_) | |
182 bluetooth_adapter_->RemoveObserver(this); | |
183 } | |
184 | |
185 void ArcSettingsServiceImpl::StartObservingSettingsChanges() { | |
186 Profile* profile = ProfileManager::GetActiveUserProfile(); | |
187 registrar_.Init(profile->GetPrefs()); | |
188 | |
189 AddPrefToObserve(prefs::kWebKitDefaultFixedFontSize); | |
190 AddPrefToObserve(prefs::kWebKitDefaultFontSize); | |
191 AddPrefToObserve(prefs::kWebKitMinimumFontSize); | |
192 AddPrefToObserve(prefs::kAccessibilitySpokenFeedbackEnabled); | |
193 AddPrefToObserve(prefs::kUse24HourClock); | |
194 AddPrefToObserve(prefs::kArcBackupRestoreEnabled); | |
195 AddPrefToObserve(proxy_config::prefs::kProxy); | |
196 AddPrefToObserve(prefs::kDeviceOpenNetworkConfiguration); | |
197 AddPrefToObserve(prefs::kOpenNetworkConfiguration); | |
198 | |
199 reporting_consent_subscription_ = CrosSettings::Get()->AddSettingsObserver( | |
200 chromeos::kStatsReportingPref, | |
201 base::Bind(&ArcSettingsServiceImpl::SyncReportingConsent, | |
202 base::Unretained(this))); | |
203 | |
204 TimezoneSettings::GetInstance()->AddObserver(this); | |
205 | |
206 if (device::BluetoothAdapterFactory::IsBluetoothAdapterAvailable()) { | |
207 device::BluetoothAdapterFactory::GetAdapter( | |
208 base::Bind(&ArcSettingsServiceImpl::OnBluetoothAdapterInitialized, | |
209 weak_factory_.GetWeakPtr())); | |
210 } | |
211 | |
212 chromeos::NetworkHandler::Get()->network_state_handler()->AddObserver( | |
213 this, FROM_HERE); | |
214 } | |
215 | |
216 void ArcSettingsServiceImpl::OnBluetoothAdapterInitialized( | |
217 scoped_refptr<device::BluetoothAdapter> adapter) { | |
218 DCHECK(adapter); | |
219 bluetooth_adapter_ = adapter; | |
220 bluetooth_adapter_->AddObserver(this); | |
221 | |
222 AdapterPoweredChanged(adapter.get(), adapter->IsPowered()); | |
223 } | |
224 | |
225 void ArcSettingsServiceImpl::OnInitialStart() { | |
226 SyncInitialSettings(); | |
227 } | |
228 | |
229 void ArcSettingsServiceImpl::SyncRuntimeSettings() const { | |
230 SyncFontSize(); | |
231 SyncLocale(); | |
232 SyncProxySettings(); | |
233 SyncReportingConsent(); | |
234 SyncSpokenFeedbackEnabled(); | |
235 SyncTimeZone(); | |
236 SyncUse24HourClock(); | |
237 | |
238 const PrefService* const prefs = | |
239 ProfileManager::GetActiveUserProfile()->GetPrefs(); | |
240 if (prefs->IsManagedPreference(prefs::kArcBackupRestoreEnabled)) | |
241 SyncBackupEnabled(); | |
242 if (prefs->IsManagedPreference(prefs::kArcLocationServiceEnabled)) | |
243 SyncLocationServiceEnabled(); | |
244 } | |
245 | |
246 void ArcSettingsServiceImpl::SyncInitialSettings() const { | |
247 SyncBackupEnabled(); | |
248 SyncLocationServiceEnabled(); | |
249 } | |
250 | |
251 void ArcSettingsServiceImpl::StopObservingSettingsChanges() { | |
252 registrar_.RemoveAll(); | |
253 reporting_consent_subscription_.reset(); | |
254 | |
255 TimezoneSettings::GetInstance()->RemoveObserver(this); | |
256 chromeos::NetworkHandler::Get()->network_state_handler()->RemoveObserver( | |
257 this, FROM_HERE); | |
258 } | |
259 | |
260 void ArcSettingsServiceImpl::AddPrefToObserve(const std::string& pref_name) { | |
261 registrar_.Add(pref_name, base::Bind(&ArcSettingsServiceImpl::OnPrefChanged, | |
262 base::Unretained(this))); | |
263 } | |
264 | |
265 void ArcSettingsServiceImpl::AdapterPoweredChanged( | |
266 device::BluetoothAdapter* adapter, | |
267 bool powered) { | |
268 base::DictionaryValue extras; | |
269 extras.SetBoolean("enable", powered); | |
270 SendSettingsBroadcast("org.chromium.arc.intent_helper.SET_BLUETOOTH_STATE", | |
271 extras); | |
272 } | |
273 | |
274 void ArcSettingsServiceImpl::OnPrefChanged(const std::string& pref_name) const { | |
275 if (pref_name == prefs::kAccessibilitySpokenFeedbackEnabled) { | |
276 SyncSpokenFeedbackEnabled(); | |
277 } else if (pref_name == prefs::kWebKitDefaultFixedFontSize || | |
278 pref_name == prefs::kWebKitDefaultFontSize || | |
279 pref_name == prefs::kWebKitMinimumFontSize) { | |
280 SyncFontSize(); | |
281 } else if (pref_name == prefs::kUse24HourClock) { | |
282 SyncUse24HourClock(); | |
283 } else if (pref_name == proxy_config::prefs::kProxy) { | |
284 SyncProxySettings(); | |
285 } else if (pref_name == prefs::kDeviceOpenNetworkConfiguration || | |
286 pref_name == prefs::kOpenNetworkConfiguration) { | |
287 // Only update proxy settings if kProxy pref is not applied. | |
288 if (IsPrefProxyConfigApplied()) { | |
289 LOG(ERROR) << "Open Network Configuration proxy settings are not applied," | |
290 << " because kProxy preference is configured."; | |
291 return; | |
292 } | |
293 SyncProxySettings(); | |
294 } else { | |
295 LOG(ERROR) << "Unknown pref changed."; | |
296 } | |
297 } | |
298 | |
299 void ArcSettingsServiceImpl::TimezoneChanged(const icu::TimeZone& timezone) { | |
300 SyncTimeZone(); | |
301 } | |
302 | |
303 int ArcSettingsServiceImpl::GetIntegerPref(const std::string& pref_name) const { | |
304 const PrefService::Preference* pref = | |
305 registrar_.prefs()->FindPreference(pref_name); | |
306 DCHECK(pref); | |
307 int val = -1; | |
308 bool value_exists = pref->GetValue()->GetAsInteger(&val); | |
309 DCHECK(value_exists); | |
310 return val; | |
311 } | |
312 | |
313 void ArcSettingsServiceImpl::SyncFontSize() const { | |
314 int default_size = GetIntegerPref(prefs::kWebKitDefaultFontSize); | |
315 int default_fixed_size = GetIntegerPref(prefs::kWebKitDefaultFixedFontSize); | |
316 int minimum_size = GetIntegerPref(prefs::kWebKitMinimumFontSize); | |
317 | |
318 double android_scale = ConvertFontSizeChromeToAndroid( | |
319 default_size, default_fixed_size, minimum_size); | |
320 | |
321 base::DictionaryValue extras; | |
322 extras.SetDouble("scale", android_scale); | |
323 SendSettingsBroadcast("org.chromium.arc.intent_helper.SET_FONT_SCALE", | |
324 extras); | |
325 } | |
326 | |
327 void ArcSettingsServiceImpl::SendBoolPrefSettingsBroadcast( | |
328 const std::string& pref_name, | |
329 const std::string& action) const { | |
330 const PrefService::Preference* pref = | |
331 registrar_.prefs()->FindPreference(pref_name); | |
332 DCHECK(pref); | |
333 bool enabled = false; | |
334 bool value_exists = pref->GetValue()->GetAsBoolean(&enabled); | |
335 DCHECK(value_exists); | |
336 base::DictionaryValue extras; | |
337 extras.SetBoolean("enabled", enabled); | |
338 extras.SetBoolean("managed", !pref->IsUserModifiable()); | |
339 SendSettingsBroadcast(action, extras); | |
340 } | |
341 | |
342 void ArcSettingsServiceImpl::SyncSpokenFeedbackEnabled() const { | |
343 SendBoolPrefSettingsBroadcast( | |
344 prefs::kAccessibilitySpokenFeedbackEnabled, | |
345 "org.chromium.arc.intent_helper.SET_SPOKEN_FEEDBACK_ENABLED"); | |
346 } | |
347 | |
348 void ArcSettingsServiceImpl::SyncLocale() const { | |
349 const PrefService::Preference* pref = | |
350 registrar_.prefs()->FindPreference(prefs::kApplicationLocale); | |
351 DCHECK(pref); | |
352 std::string locale; | |
353 bool value_exists = pref->GetValue()->GetAsString(&locale); | |
354 DCHECK(value_exists); | |
355 base::DictionaryValue extras; | |
356 extras.SetString("locale", locale); | |
357 SendSettingsBroadcast("org.chromium.arc.intent_helper.SET_LOCALE", extras); | |
358 } | |
359 | |
360 void ArcSettingsServiceImpl::SyncReportingConsent() const { | |
361 bool consent = false; | |
362 CrosSettings::Get()->GetBoolean(chromeos::kStatsReportingPref, &consent); | |
363 base::DictionaryValue extras; | |
364 extras.SetBoolean("reportingConsent", consent); | |
365 SendSettingsBroadcast("org.chromium.arc.intent_helper.SET_REPORTING_CONSENT", | |
366 extras); | |
367 } | |
368 | |
369 void ArcSettingsServiceImpl::SyncTimeZone() const { | |
370 TimezoneSettings* timezone_settings = TimezoneSettings::GetInstance(); | |
371 base::string16 timezoneID = timezone_settings->GetCurrentTimezoneID(); | |
372 base::DictionaryValue extras; | |
373 extras.SetString("olsonTimeZone", timezoneID); | |
374 SendSettingsBroadcast("org.chromium.arc.intent_helper.SET_TIME_ZONE", extras); | |
375 } | |
376 | |
377 void ArcSettingsServiceImpl::SyncUse24HourClock() const { | |
378 const PrefService::Preference* pref = | |
379 registrar_.prefs()->FindPreference(prefs::kUse24HourClock); | |
380 DCHECK(pref); | |
381 bool use24HourClock = false; | |
382 bool value_exists = pref->GetValue()->GetAsBoolean(&use24HourClock); | |
383 DCHECK(value_exists); | |
384 base::DictionaryValue extras; | |
385 extras.SetBoolean("use24HourClock", use24HourClock); | |
386 SendSettingsBroadcast("org.chromium.arc.intent_helper.SET_USE_24_HOUR_CLOCK", | |
387 extras); | |
388 } | |
389 | |
390 void ArcSettingsServiceImpl::SyncProxySettings() const { | |
391 std::unique_ptr<ProxyConfigDictionary> proxy_config_dict = | |
392 chromeos::ProxyConfigServiceImpl::GetActiveProxyConfigDictionary( | |
393 ProfileManager::GetActiveUserProfile()->GetPrefs()); | |
394 if (!proxy_config_dict) | |
395 return; | |
396 | |
397 ProxyPrefs::ProxyMode mode; | |
398 if (!proxy_config_dict || !proxy_config_dict->GetMode(&mode)) | |
399 mode = ProxyPrefs::MODE_DIRECT; | |
400 | |
401 base::DictionaryValue extras; | |
402 extras.SetString("mode", ProxyPrefs::ProxyModeToString(mode)); | |
403 | |
404 switch (mode) { | |
405 case ProxyPrefs::MODE_DIRECT: | |
406 break; | |
407 case ProxyPrefs::MODE_SYSTEM: | |
408 VLOG(1) << "The system mode is not translated."; | |
409 return; | |
410 case ProxyPrefs::MODE_AUTO_DETECT: | |
411 extras.SetString("pacUrl", "http://wpad/wpad.dat"); | |
412 break; | |
413 case ProxyPrefs::MODE_PAC_SCRIPT: { | |
414 std::string pac_url; | |
415 if (!proxy_config_dict->GetPacUrl(&pac_url)) { | |
416 LOG(ERROR) << "No pac URL for pac_script proxy mode."; | |
417 return; | |
418 } | |
419 extras.SetString("pacUrl", pac_url); | |
420 break; | |
421 } | |
422 case ProxyPrefs::MODE_FIXED_SERVERS: { | |
423 std::string host; | |
424 int port = 0; | |
425 if (!GetHttpProxyServer(proxy_config_dict.get(), &host, &port)) { | |
426 LOG(ERROR) << "No Http proxy server is sent."; | |
427 return; | |
428 } | |
429 extras.SetString("host", host); | |
430 extras.SetInteger("port", port); | |
431 | |
432 std::string bypass_list; | |
433 if (proxy_config_dict->GetBypassList(&bypass_list) && | |
434 !bypass_list.empty()) { | |
435 extras.SetString("bypassList", bypass_list); | |
436 } | |
437 break; | |
438 } | |
439 default: | |
440 LOG(ERROR) << "Incorrect proxy mode."; | |
441 return; | |
442 } | |
443 | |
444 SendSettingsBroadcast("org.chromium.arc.intent_helper.SET_PROXY", extras); | |
445 } | |
446 | |
447 void ArcSettingsServiceImpl::SyncBackupEnabled() const { | |
448 SendBoolPrefSettingsBroadcast( | |
449 prefs::kArcBackupRestoreEnabled, | |
450 "org.chromium.arc.intent_helper.SET_BACKUP_ENABLED"); | |
451 } | |
452 | |
453 void ArcSettingsServiceImpl::SyncLocationServiceEnabled() const { | |
454 SendBoolPrefSettingsBroadcast( | |
455 prefs::kArcLocationServiceEnabled, | |
456 "org.chromium.arc.intent_helper.SET_LOCATION_SERVICE_ENABLED"); | |
457 } | |
458 | |
459 void ArcSettingsServiceImpl::SendSettingsBroadcast( | |
460 const std::string& action, | |
461 const base::DictionaryValue& extras) const { | |
462 auto* instance = arc_bridge_service_->intent_helper()->GetInstanceForMethod( | |
463 "SendBroadcast", kMinVersionForSendBroadcast); | |
464 if (!instance) | |
465 return; | |
466 std::string extras_json; | |
467 bool write_success = base::JSONWriter::Write(extras, &extras_json); | |
468 DCHECK(write_success); | |
469 | |
470 instance->SendBroadcast(action, "org.chromium.arc.intent_helper", | |
471 "org.chromium.arc.intent_helper.SettingsReceiver", | |
472 extras_json); | |
473 } | |
474 | |
475 void ArcSettingsServiceImpl::DefaultNetworkChanged( | |
476 const chromeos::NetworkState* network) { | |
477 // kProxy pref and ONC policy have more priority than the default network | |
478 // update. | |
479 Profile* profile = ProfileManager::GetActiveUserProfile(); | |
480 if (network && !IsPrefProxyConfigApplied() && | |
481 !chromeos::onc::HasPolicyForNetwork( | |
482 profile->GetPrefs(), g_browser_process->local_state(), *network)) { | |
483 SyncProxySettings(); | |
484 } | |
485 } | |
486 | |
487 ArcSettingsService::ArcSettingsService(ArcBridgeService* bridge_service) | |
488 : ArcService(bridge_service) { | |
489 arc_bridge_service()->intent_helper()->AddObserver(this); | |
490 } | |
491 | |
492 ArcSettingsService::~ArcSettingsService() { | |
493 arc_bridge_service()->intent_helper()->RemoveObserver(this); | |
494 } | |
495 | |
496 void ArcSettingsService::OnInstanceReady() { | |
497 impl_.reset(new ArcSettingsServiceImpl(arc_bridge_service())); | |
498 } | |
499 | |
500 void ArcSettingsService::OnInstanceClosed() { | |
501 impl_.reset(); | |
502 } | |
503 | |
504 } // namespace arc | |
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