chrome/browser/notifications/platform_notification_service_impl.cc

   1 // Copyright 2014 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/notifications/platform_notification_service_impl.h"
   6
   7 #include "base/prefs/pref_service.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "chrome/browser/browser_process.h"
  10 #include "chrome/browser/notifications/desktop_notification_profile_util.h"
  11 #include "chrome/browser/notifications/notification_object_proxy.h"
  12 #include "chrome/browser/notifications/notification_ui_manager.h"
  13 #include "chrome/browser/notifications/persistent_notification_delegate.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "chrome/browser/profiles/profile_io_data.h"
  16 #include "chrome/common/pref_names.h"
  17 #include "components/content_settings/core/browser/host_content_settings_map.h"
  18 #include "components/content_settings/core/common/content_settings.h"
  19 #include "content/public/browser/browser_thread.h"
  20 #include "content/public/browser/desktop_notification_delegate.h"
  21 #include "content/public/browser/notification_event_dispatcher.h"
  22 #include "content/public/common/platform_notification_data.h"
  23 #include "net/base/net_util.h"
  24 #include "ui/message_center/notifier_settings.h"
  25 #include "url/url_constants.h"
  26
  27 #if defined(ENABLE_EXTENSIONS)
  28 #include "chrome/browser/notifications/desktop_notification_service.h"
  29 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
  30 #include "extensions/browser/extension_registry.h"
  31 #include "extensions/browser/extension_system.h"
  32 #include "extensions/browser/info_map.h"
  33 #include "extensions/common/constants.h"
  34 #include "extensions/common/extension_set.h"
  35 #include "extensions/common/permissions/api_permission.h"
  36 #include "extensions/common/permissions/permissions_data.h"
  37 #endif
  38
  39 using content::BrowserThread;
  40 using message_center::NotifierId;
  41
  42 namespace {
  43
  44 void CancelNotification(const std::string& id, ProfileID profile_id) {
  45   PlatformNotificationServiceImpl::GetInstance()
  46       ->GetNotificationUIManager()->CancelById(id, profile_id);
  47 }
  48
  49 }  // namespace
  50
  51 // static
  52 PlatformNotificationServiceImpl*
  53 PlatformNotificationServiceImpl::GetInstance() {
  54   return Singleton<PlatformNotificationServiceImpl>::get();
  55 }
  56
  57 PlatformNotificationServiceImpl::PlatformNotificationServiceImpl()
  58     : notification_ui_manager_for_tests_(nullptr) {}
  59
  60 PlatformNotificationServiceImpl::~PlatformNotificationServiceImpl() {}
  61
  62 void PlatformNotificationServiceImpl::OnPersistentNotificationClick(
  63     content::BrowserContext* browser_context,
  64     int64 service_worker_registration_id,
  65     const std::string& notification_id,
  66     const GURL& origin,
  67     const content::PlatformNotificationData& notification_data,
  68     const base::Callback<void(content::PersistentNotificationStatus)>&
  69         callback) const {
  70   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  71   content::NotificationEventDispatcher::GetInstance()
  72       ->DispatchNotificationClickEvent(
  73             browser_context,
  74             origin,
  75             service_worker_registration_id,
  76             notification_id,
  77             notification_data,
  78             callback);
  79 }
  80
  81 blink::WebNotificationPermission
  82 PlatformNotificationServiceImpl::CheckPermissionOnUIThread(
  83     content::BrowserContext* browser_context,
  84     const GURL& origin,
  85     int render_process_id) {
  86   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  87
  88   Profile* profile = Profile::FromBrowserContext(browser_context);
  89   DCHECK(profile);
  90
  91 #if defined(ENABLE_EXTENSIONS)
  92   // Extensions support an API permission named "notification". This will grant
  93   // not only grant permission for using the Chrome App extension API, but also
  94   // for the Web Notification API.
  95   extensions::ExtensionRegistry* registry =
  96       extensions::ExtensionRegistry::Get(browser_context);
  97   extensions::ProcessMap* process_map =
  98       extensions::ProcessMap::Get(browser_context);
  99   extensions::ExtensionSet extensions;
 100
 101   DesktopNotificationService* desktop_notification_service =
 102       DesktopNotificationServiceFactory::GetForProfile(profile);
 103   DCHECK(desktop_notification_service);
 104
 105   // If |origin| is an enabled extension, only select that one. Otherwise select
 106   // all extensions whose web content matches |origin|.
 107   if (origin.SchemeIs(extensions::kExtensionScheme)) {
 108     const extensions::Extension* extension = registry->GetExtensionById(
 109         origin.host(), extensions::ExtensionRegistry::ENABLED);
 110     if (extension)
 111       extensions.Insert(extension);
 112     } else {
 113       for (const auto& extension : registry->enabled_extensions()) {
 114         if (extension->web_extent().MatchesSecurityOrigin(origin))
 115           extensions.Insert(extension);
 116     }
 117   }
 118
 119   // Check if any of the selected extensions have the "notification" API
 120   // permission, are active in |render_process_id| and has not been manually
 121   // disabled by the user. If all of that is true, grant permission.
 122   for (const auto& extension : extensions) {
 123     if (!extension->permissions_data()->HasAPIPermission(
 124         extensions::APIPermission::kNotifications))
 125       continue;
 126
 127     if (!process_map->Contains(extension->id(), render_process_id))
 128       continue;
 129
 130     NotifierId notifier_id(NotifierId::APPLICATION, extension->id());
 131     if (!desktop_notification_service->IsNotifierEnabled(notifier_id))
 132       continue;
 133
 134     return blink::WebNotificationPermissionAllowed;
 135   }
 136 #endif
 137
 138   ContentSetting setting =
 139       DesktopNotificationProfileUtil::GetContentSetting(profile, origin);
 140
 141   if (setting == CONTENT_SETTING_ALLOW)
 142     return blink::WebNotificationPermissionAllowed;
 143   if (setting == CONTENT_SETTING_BLOCK)
 144     return blink::WebNotificationPermissionDenied;
 145
 146   return blink::WebNotificationPermissionDefault;
 147 }
 148
 149 blink::WebNotificationPermission
 150 PlatformNotificationServiceImpl::CheckPermissionOnIOThread(
 151     content::ResourceContext* resource_context,
 152     const GURL& origin,
 153     int render_process_id) {
 154   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 155
 156   ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
 157 #if defined(ENABLE_EXTENSIONS)
 158   extensions::InfoMap* extension_info_map = io_data->GetExtensionInfoMap();
 159
 160   // We want to see if there is an extension that hasn't been manually disabled
 161   // that has the notifications permission and applies to this security origin.
 162   // First, get the list of extensions with permission for the origin.
 163   extensions::ExtensionSet extensions;
 164   extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
 165       origin,
 166       render_process_id,
 167       extensions::APIPermission::kNotifications,
 168       &extensions);
 169   for (const auto& extension : extensions) {
 170     if (!extension_info_map->AreNotificationsDisabled(extension->id()))
 171       return blink::WebNotificationPermissionAllowed;
 172   }
 173 #endif
 174
 175   // No enabled extensions exist, so check the normal host content settings.
 176   HostContentSettingsMap* host_content_settings_map =
 177       io_data->GetHostContentSettingsMap();
 178   ContentSetting setting = host_content_settings_map->GetContentSetting(
 179       origin,
 180       origin,
 181       CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
 182       NO_RESOURCE_IDENTIFIER);
 183
 184   if (setting == CONTENT_SETTING_ALLOW)
 185     return blink::WebNotificationPermissionAllowed;
 186   if (setting == CONTENT_SETTING_BLOCK)
 187     return blink::WebNotificationPermissionDenied;
 188
 189   return blink::WebNotificationPermissionDefault;
 190 }
 191
 192 void PlatformNotificationServiceImpl::DisplayNotification(
 193     content::BrowserContext* browser_context,
 194     const GURL& origin,
 195     const SkBitmap& icon,
 196     const content::PlatformNotificationData& notification_data,
 197     scoped_ptr<content::DesktopNotificationDelegate> delegate,
 198     base::Closure* cancel_callback) {
 199   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 200
 201   Profile* profile = Profile::FromBrowserContext(browser_context);
 202   DCHECK(profile);
 203
 204   NotificationObjectProxy* proxy = new NotificationObjectProxy(delegate.Pass());
 205   Notification notification = CreateNotificationFromData(
 206       profile, origin, icon, notification_data, proxy);
 207
 208   GetNotificationUIManager()->Add(notification, profile);
 209   if (cancel_callback)
 210     *cancel_callback =
 211         base::Bind(&CancelNotification,
 212                    notification.delegate_id(),
 213                    NotificationUIManager::GetProfileID(profile));
 214
 215   profile->GetHostContentSettingsMap()->UpdateLastUsage(
 216       origin, origin, CONTENT_SETTINGS_TYPE_NOTIFICATIONS);
 217 }
 218
 219 void PlatformNotificationServiceImpl::DisplayPersistentNotification(
 220     content::BrowserContext* browser_context,
 221     int64 service_worker_registration_id,
 222     const GURL& origin,
 223     const SkBitmap& icon,
 224     const content::PlatformNotificationData& notification_data) {
 225   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 226
 227   Profile* profile = Profile::FromBrowserContext(browser_context);
 228   DCHECK(profile);
 229
 230   PersistentNotificationDelegate* delegate = new PersistentNotificationDelegate(
 231       browser_context,
 232       service_worker_registration_id,
 233       origin,
 234       notification_data);
 235
 236   Notification notification = CreateNotificationFromData(
 237       profile, origin, icon, notification_data, delegate);
 238
 239   GetNotificationUIManager()->Add(notification, profile);
 240
 241   profile->GetHostContentSettingsMap()->UpdateLastUsage(
 242       origin, origin, CONTENT_SETTINGS_TYPE_NOTIFICATIONS);
 243 }
 244
 245 void PlatformNotificationServiceImpl::ClosePersistentNotification(
 246     content::BrowserContext* browser_context,
 247     const std::string& persistent_notification_id) {
 248   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 249
 250   Profile* profile = Profile::FromBrowserContext(browser_context);
 251   DCHECK(profile);
 252
 253   GetNotificationUIManager()->CancelById(
 254       persistent_notification_id, NotificationUIManager::GetProfileID(profile));
 255 }
 256
 257 Notification PlatformNotificationServiceImpl::CreateNotificationFromData(
 258     Profile* profile,
 259     const GURL& origin,
 260     const SkBitmap& icon,
 261     const content::PlatformNotificationData& notification_data,
 262     NotificationDelegate* delegate) const {
 263   base::string16 display_source = DisplayNameForOrigin(profile, origin);
 264
 265   // TODO(peter): Icons for Web Notifications are currently always requested for
 266   // 1x scale, whereas the displays on which they can be displayed can have a
 267   // different pixel density. Be smarter about this when the API gets updated
 268   // with a way for developers to specify images of different resolutions.
 269   Notification notification(origin, notification_data.title,
 270       notification_data.body, gfx::Image::CreateFrom1xBitmap(icon),
 271       display_source, notification_data.tag, delegate);
 272
 273   notification.set_context_message(display_source);
 274   notification.set_silent(notification_data.silent);
 275
 276   // Web Notifications do not timeout.
 277   notification.set_never_timeout(true);
 278
 279   return notification;
 280 }
 281
 282 NotificationUIManager*
 283 PlatformNotificationServiceImpl::GetNotificationUIManager() const {
 284   if (notification_ui_manager_for_tests_)
 285     return notification_ui_manager_for_tests_;
 286
 287   return g_browser_process->notification_ui_manager();
 288 }
 289
 290 void PlatformNotificationServiceImpl::SetNotificationUIManagerForTesting(
 291     NotificationUIManager* manager) {
 292   notification_ui_manager_for_tests_ = manager;
 293 }
 294
 295 base::string16 PlatformNotificationServiceImpl::DisplayNameForOrigin(
 296     Profile* profile,
 297     const GURL& origin) const {
 298 #if defined(ENABLE_EXTENSIONS)
 299   // If the source is an extension, lookup the display name.
 300   if (origin.SchemeIs(extensions::kExtensionScheme)) {
 301     const extensions::Extension* extension =
 302         extensions::ExtensionRegistry::Get(profile)->GetExtensionById(
 303             origin.host(), extensions::ExtensionRegistry::EVERYTHING);
 304     DCHECK(extension);
 305
 306     return base::UTF8ToUTF16(extension->name());
 307   }
 308 #endif
 309
 310   std::string languages =
 311       profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
 312
 313   return WebOriginDisplayName(origin, languages);
 314 }
 315
 316 // static
 317 base::string16 PlatformNotificationServiceImpl::WebOriginDisplayName(
 318     const GURL& origin,
 319     const std::string& languages) {
 320   if (origin.SchemeIsHTTPOrHTTPS()) {
 321     base::string16 formatted_origin;
 322     if (origin.SchemeIs(url::kHttpScheme)) {
 323       const url::Parsed& parsed = origin.parsed_for_possibly_invalid_spec();
 324       const std::string& spec = origin.possibly_invalid_spec();
 325       formatted_origin.append(
 326           spec.begin(),
 327           spec.begin() +
 328               parsed.CountCharactersBefore(url::Parsed::USERNAME, true));
 329     }
 330     formatted_origin.append(net::IDNToUnicode(origin.host(), languages));
 331     if (origin.has_port()) {
 332       formatted_origin.push_back(':');
 333       formatted_origin.append(base::UTF8ToUTF16(origin.port()));
 334     }
 335     return formatted_origin;
 336   }
 337
 338   // TODO(dewittj): Once file:// URLs are passed in to the origin
 339   // GURL here, begin returning the path as the display name.
 340   return net::FormatUrl(origin, languages);
 341 }