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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/browser/bluetooth/bluetooth_device_chooser_controller.h" | 5 #include "content/browser/bluetooth/bluetooth_device_chooser_controller.h" |
| 6 | 6 |
| 7 #include <set> | 7 #include <set> |
| 8 #include <string> | 8 #include <string> |
| 9 #include <unordered_set> | 9 #include <unordered_set> |
| 10 | 10 |
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| 108 DVLOG(1) << "Services: "; | 108 DVLOG(1) << "Services: "; |
| 109 DVLOG(1) << "\t["; | 109 DVLOG(1) << "\t["; |
| 110 for (const auto& service : filter->services.value()) | 110 for (const auto& service : filter->services.value()) |
| 111 DVLOG(1) << "\t\t" << service.canonical_value(); | 111 DVLOG(1) << "\t\t" << service.canonical_value(); |
| 112 DVLOG(1) << "\t]"; | 112 DVLOG(1) << "\t]"; |
| 113 } | 113 } |
| 114 } | 114 } |
| 115 } | 115 } |
| 116 | 116 |
| 117 bool IsEmptyOrInvalidFilter( | 117 bool IsEmptyOrInvalidFilter( |
| 118 const blink::mojom::WebBluetoothScanFilterPtr& filter) { | 118 const blink::mojom::WebBluetoothLeScanFilterPtr& filter) { |
| 119 // At least one member needs to be present. | 119 // At least one member needs to be present. |
| 120 if (!filter->name && !filter->name_prefix && !filter->services) | 120 if (!filter->name && !filter->name_prefix && !filter->services) |
| 121 return true; | 121 return true; |
| 122 | 122 |
| 123 // The renderer will never send a name or a name_prefix longer than | 123 // The renderer will never send a name or a name_prefix longer than |
| 124 // kMaxLengthForDeviceName. | 124 // kMaxLengthForDeviceName. |
| 125 if (filter->name && filter->name->size() > kMaxLengthForDeviceName) | 125 if (filter->name && filter->name->size() > kMaxLengthForDeviceName) |
| 126 return true; | 126 return true; |
| 127 if (filter->name_prefix && filter->name_prefix->size() == 0) | 127 if (filter->name_prefix && filter->name_prefix->size() == 0) |
| 128 return true; | 128 return true; |
| 129 if (filter->name_prefix && | 129 if (filter->name_prefix && |
| 130 filter->name_prefix->size() > kMaxLengthForDeviceName) | 130 filter->name_prefix->size() > kMaxLengthForDeviceName) |
| 131 return true; | 131 return true; |
| 132 | 132 |
| 133 return false; | 133 return false; |
| 134 } | 134 } |
| 135 | 135 |
| 136 bool HasEmptyOrInvalidFilter( | 136 bool HasEmptyOrInvalidFilter( |
| 137 const base::Optional<std::vector<blink::mojom::WebBluetoothScanFilterPtr>>& | 137 const base::Optional< |
| 138 filters) { | 138 std::vector<blink::mojom::WebBluetoothLeScanFilterPtr>>& filters) { |
| 139 if (!filters) { | 139 if (!filters) { |
| 140 return true; | 140 return true; |
| 141 } | 141 } |
| 142 | 142 |
| 143 return filters->empty() | 143 return filters->empty() |
| 144 ? true | 144 ? true |
| 145 : filters->end() != std::find_if(filters->begin(), filters->end(), | 145 : filters->end() != std::find_if(filters->begin(), filters->end(), |
| 146 IsEmptyOrInvalidFilter); | 146 IsEmptyOrInvalidFilter); |
| 147 } | 147 } |
| 148 | 148 |
| 149 bool IsOptionsInvalid( | 149 bool IsOptionsInvalid( |
| 150 const blink::mojom::WebBluetoothRequestDeviceOptionsPtr& options) { | 150 const blink::mojom::WebBluetoothRequestDeviceOptionsPtr& options) { |
| 151 if (options->accept_all_devices) { | 151 if (options->accept_all_devices) { |
| 152 return options->filters.has_value(); | 152 return options->filters.has_value(); |
| 153 } else { | 153 } else { |
| 154 return HasEmptyOrInvalidFilter(options->filters); | 154 return HasEmptyOrInvalidFilter(options->filters); |
| 155 } | 155 } |
| 156 } | 156 } |
| 157 | 157 |
| 158 bool MatchesFilter(const std::string* device_name, | 158 bool MatchesFilter(const std::string* device_name, |
| 159 const UUIDSet& device_uuids, | 159 const UUIDSet& device_uuids, |
| 160 const blink::mojom::WebBluetoothScanFilterPtr& filter) { | 160 const blink::mojom::WebBluetoothLeScanFilterPtr& filter) { |
| 161 if (filter->name) { | 161 if (filter->name) { |
| 162 if (device_name == nullptr) | 162 if (device_name == nullptr) |
| 163 return false; | 163 return false; |
| 164 if (filter->name.value() != *device_name) | 164 if (filter->name.value() != *device_name) |
| 165 return false; | 165 return false; |
| 166 } | 166 } |
| 167 | 167 |
| 168 if (filter->name_prefix && filter->name_prefix->size()) { | 168 if (filter->name_prefix && filter->name_prefix->size()) { |
| 169 if (device_name == nullptr) | 169 if (device_name == nullptr) |
| 170 return false; | 170 return false; |
| 171 if (!base::StartsWith(*device_name, filter->name_prefix.value(), | 171 if (!base::StartsWith(*device_name, filter->name_prefix.value(), |
| 172 base::CompareCase::SENSITIVE)) | 172 base::CompareCase::SENSITIVE)) |
| 173 return false; | 173 return false; |
| 174 } | 174 } |
| 175 | 175 |
| 176 if (filter->services) { | 176 if (filter->services) { |
| 177 for (const auto& service : filter->services.value()) { | 177 for (const auto& service : filter->services.value()) { |
| 178 if (!base::ContainsKey(device_uuids, service)) { | 178 if (!base::ContainsKey(device_uuids, service)) { |
| 179 return false; | 179 return false; |
| 180 } | 180 } |
| 181 } | 181 } |
| 182 } | 182 } |
| 183 | 183 |
| 184 return true; | 184 return true; |
| 185 } | 185 } |
| 186 | 186 |
| 187 bool MatchesFilters( | 187 bool MatchesFilters( |
| 188 const std::string* device_name, | 188 const std::string* device_name, |
| 189 const UUIDSet& device_uuids, | 189 const UUIDSet& device_uuids, |
| 190 const base::Optional<std::vector<blink::mojom::WebBluetoothScanFilterPtr>>& | 190 const base::Optional< |
| 191 filters) { | 191 std::vector<blink::mojom::WebBluetoothLeScanFilterPtr>>& filters) { |
| 192 DCHECK(!HasEmptyOrInvalidFilter(filters)); | 192 DCHECK(!HasEmptyOrInvalidFilter(filters)); |
| 193 for (const auto& filter : filters.value()) { | 193 for (const auto& filter : filters.value()) { |
| 194 if (MatchesFilter(device_name, device_uuids, filter)) { | 194 if (MatchesFilter(device_name, device_uuids, filter)) { |
| 195 return true; | 195 return true; |
| 196 } | 196 } |
| 197 } | 197 } |
| 198 return false; | 198 return false; |
| 199 } | 199 } |
| 200 | 200 |
| 201 std::unique_ptr<device::BluetoothDiscoveryFilter> ComputeScanFilter( | 201 std::unique_ptr<device::BluetoothDiscoveryFilter> ComputeScanFilter( |
| 202 const base::Optional<std::vector<blink::mojom::WebBluetoothScanFilterPtr>>& | 202 const base::Optional< |
| 203 filters) { | 203 std::vector<blink::mojom::WebBluetoothLeScanFilterPtr>>& filters) { |
| 204 std::unordered_set<BluetoothUUID, device::BluetoothUUIDHash> services; | 204 std::unordered_set<BluetoothUUID, device::BluetoothUUIDHash> services; |
| 205 | 205 |
| 206 if (filters) { | 206 if (filters) { |
| 207 for (const auto& filter : filters.value()) { | 207 for (const auto& filter : filters.value()) { |
| 208 if (!filter->services) { | 208 if (!filter->services) { |
| 209 continue; | 209 continue; |
| 210 } | 210 } |
| 211 for (const auto& service : filter->services.value()) { | 211 for (const auto& service : filter->services.value()) { |
| 212 services.insert(service); | 212 services.insert(service); |
| 213 } | 213 } |
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| 617 | 617 |
| 618 void BluetoothDeviceChooserController::PostErrorCallback( | 618 void BluetoothDeviceChooserController::PostErrorCallback( |
| 619 blink::mojom::WebBluetoothResult error) { | 619 blink::mojom::WebBluetoothResult error) { |
| 620 if (!base::ThreadTaskRunnerHandle::Get()->PostTask( | 620 if (!base::ThreadTaskRunnerHandle::Get()->PostTask( |
| 621 FROM_HERE, base::Bind(error_callback_, error))) { | 621 FROM_HERE, base::Bind(error_callback_, error))) { |
| 622 LOG(WARNING) << "No TaskRunner."; | 622 LOG(WARNING) << "No TaskRunner."; |
| 623 } | 623 } |
| 624 } | 624 } |
| 625 | 625 |
| 626 } // namespace content | 626 } // namespace content |
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