bluetooth: Add Web Bluetooth blacklist checks to readValue & writeValue.

content/browser/bluetooth/bluetooth_dispatcher_host.cc

 // Copyright 2014 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.
 
 // ID Not In Map Note:
 // A service, characteristic, or descriptor ID not in the corresponding
 // BluetoothDispatcherHost map [service_to_device_, characteristic_to_service_,
 // descriptor_to_characteristic_] implies a hostile renderer because a renderer
 // obtains the corresponding ID from this class and it will be added to the map
 // at that time.
@@ skipping 848 matching lines @@
     return;
   }
 
   if (query_result.outcome != CacheQueryOutcome::SUCCESS) {
     RecordCharacteristicReadValueOutcome(query_result.outcome);
     Send(new BluetoothMsg_ReadCharacteristicValueError(
         thread_id, request_id, query_result.GetWebError()));
     return;
   }
 
+  if (BluetoothBlacklist::Get().IsExcludedFromReads(
+          query_result.characteristic->GetUUID())) {
+    RecordCharacteristicReadValueOutcome(UMAGATTOperationOutcome::BLACKLISTED);
+    Send(new BluetoothMsg_ReadCharacteristicValueError(
+        thread_id, request_id, WebBluetoothError::BlacklistedRead));
+    return;
+  }
+
   query_result.characteristic->ReadRemoteCharacteristic(
       base::Bind(&BluetoothDispatcherHost::OnCharacteristicValueRead,
                  weak_ptr_on_ui_thread_, thread_id, request_id),
       base::Bind(&BluetoothDispatcherHost::OnCharacteristicReadValueError,
                  weak_ptr_on_ui_thread_, thread_id, request_id));
 }
 
 void BluetoothDispatcherHost::OnWriteValue(
     int thread_id,
     int request_id,
@@ skipping 22 matching lines @@
     return;
   }
 
   if (query_result.outcome != CacheQueryOutcome::SUCCESS) {
     RecordCharacteristicWriteValueOutcome(query_result.outcome);
     Send(new BluetoothMsg_WriteCharacteristicValueError(
         thread_id, request_id, query_result.GetWebError()));
     return;
   }
 
+  if (BluetoothBlacklist::Get().IsExcludedFromWrites(
+          query_result.characteristic->GetUUID())) {
+    RecordCharacteristicWriteValueOutcome(UMAGATTOperationOutcome::BLACKLISTED);
+    Send(new BluetoothMsg_WriteCharacteristicValueError(
+        thread_id, request_id, WebBluetoothError::BlacklistedWrite));
+    return;
+  }
+
   query_result.characteristic->WriteRemoteCharacteristic(
       value, base::Bind(&BluetoothDispatcherHost::OnWriteValueSuccess,
                         weak_ptr_on_ui_thread_, thread_id, request_id),
       base::Bind(&BluetoothDispatcherHost::OnWriteValueFailed,
                  weak_ptr_on_ui_thread_, thread_id, request_id));
 }
 
 void BluetoothDispatcherHost::OnStartNotifications(
     int thread_id,
     int request_id,
@@ skipping 620 matching lines @@
 
 bool BluetoothDispatcherHost::CanFrameAccessCharacteristicInstance(
     int frame_routing_id,
     const std::string& characteristic_instance_id) {
   return QueryCacheForCharacteristic(GetOrigin(frame_routing_id),
                                      characteristic_instance_id)
              .outcome != CacheQueryOutcome::BAD_RENDERER;
 }
 
 }  // namespace content