extensions/common/api/bluetooth/bluetooth_manifest_permission.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 "extensions/common/api/bluetooth/bluetooth_manifest_permission.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "base/stl_util.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "base/values.h"
  11 #include "device/bluetooth/bluetooth_uuid.h"
  12 #include "extensions/common/api/bluetooth/bluetooth_manifest_data.h"
  13 #include "extensions/common/api/extensions_manifest_types.h"
  14 #include "extensions/common/error_utils.h"
  15 #include "extensions/common/features/behavior_feature.h"
  16 #include "extensions/common/features/feature_provider.h"
  17 #include "extensions/common/manifest_constants.h"
  18 #include "grit/extensions_strings.h"
  19 #include "ipc/ipc_message.h"
  20 #include "ui/base/l10n/l10n_util.h"
  21
  22 namespace extensions {
  23
  24 namespace bluetooth_errors {
  25 const char kErrorInvalidUuid[] = "Invalid UUID '*'";
  26 }
  27
  28 namespace errors = bluetooth_errors;
  29
  30 namespace {
  31
  32 bool ParseUuid(BluetoothManifestPermission* permission,
  33                const std::string& uuid,
  34                base::string16* error) {
  35   device::BluetoothUUID bt_uuid(uuid);
  36   if (!bt_uuid.IsValid()) {
  37     *error = ErrorUtils::FormatErrorMessageUTF16(
  38         errors::kErrorInvalidUuid, uuid);
  39     return false;
  40   }
  41   permission->AddPermission(uuid);
  42   return true;
  43 }
  44
  45 bool ParseUuidArray(BluetoothManifestPermission* permission,
  46                     const scoped_ptr<std::vector<std::string> >& uuids,
  47                     base::string16* error) {
  48   for (std::vector<std::string>::const_iterator it = uuids->begin();
  49        it != uuids->end();
  50        ++it) {
  51     if (!ParseUuid(permission, *it, error)) {
  52       return false;
  53     }
  54   }
  55   return true;
  56 }
  57
  58 }  // namespace
  59
  60 BluetoothManifestPermission::BluetoothManifestPermission()
  61     : socket_(false), low_energy_(false), peripheral_(false) {
  62 }
  63
  64 BluetoothManifestPermission::~BluetoothManifestPermission() {}
  65
  66 // static
  67 scoped_ptr<BluetoothManifestPermission> BluetoothManifestPermission::FromValue(
  68     const base::Value& value,
  69     base::string16* error) {
  70   scoped_ptr<api::extensions_manifest_types::Bluetooth> bluetooth =
  71       api::extensions_manifest_types::Bluetooth::FromValue(value, error);
  72   if (!bluetooth)
  73     return scoped_ptr<BluetoothManifestPermission>();
  74
  75   scoped_ptr<BluetoothManifestPermission> result(
  76       new BluetoothManifestPermission());
  77   if (bluetooth->uuids) {
  78     if (!ParseUuidArray(result.get(), bluetooth->uuids, error)) {
  79       return scoped_ptr<BluetoothManifestPermission>();
  80     }
  81   }
  82   if (bluetooth->socket) {
  83     result->socket_ = *(bluetooth->socket);
  84   }
  85   if (bluetooth->low_energy) {
  86     result->low_energy_ = *(bluetooth->low_energy);
  87   }
  88   if (bluetooth->peripheral) {
  89     result->peripheral_ = *(bluetooth->peripheral);
  90   }
  91   return result.Pass();
  92 }
  93
  94 bool BluetoothManifestPermission::CheckRequest(
  95     const Extension* extension,
  96     const BluetoothPermissionRequest& request) const {
  97
  98   device::BluetoothUUID param_uuid(request.uuid);
  99   for (BluetoothUuidSet::const_iterator it = uuids_.begin();
 100        it != uuids_.end();
 101        ++it) {
 102     device::BluetoothUUID uuid(*it);
 103     if (param_uuid == uuid)
 104       return true;
 105   }
 106   return false;
 107 }
 108
 109 bool BluetoothManifestPermission::CheckSocketPermitted(
 110     const Extension* extension) const {
 111   return socket_;
 112 }
 113
 114 bool BluetoothManifestPermission::CheckLowEnergyPermitted(
 115     const Extension* extension) const {
 116   return low_energy_;
 117 }
 118
 119 bool BluetoothManifestPermission::CheckPeripheralPermitted(
 120     const Extension* extension) const {
 121   if (!FeatureProvider::GetBehaviorFeature(
 122            BehaviorFeature::kBluetoothPeripheral)
 123            ->IsAvailableToExtension(extension)
 124            .is_available())
 125     return false;
 126   return peripheral_;
 127 }
 128
 129 std::string BluetoothManifestPermission::name() const {
 130   return manifest_keys::kBluetooth;
 131 }
 132
 133 std::string BluetoothManifestPermission::id() const { return name(); }
 134
 135 PermissionIDSet BluetoothManifestPermission::GetPermissions() const {
 136   PermissionIDSet permissions;
 137   permissions.insert(APIPermission::kBluetooth);
 138   if (!uuids_.empty()) {
 139     permissions.insert(APIPermission::kBluetoothDevices);
 140   }
 141   return permissions;
 142 }
 143
 144 bool BluetoothManifestPermission::HasMessages() const { return true; }
 145
 146 PermissionMessages BluetoothManifestPermission::GetMessages() const {
 147   // When modifying this function, be careful to also modify GetPermissions()
 148   // above to have the same functionality.
 149   DCHECK(HasMessages());
 150   PermissionMessages result;
 151
 152   result.push_back(PermissionMessage(
 153       PermissionMessage::kBluetooth,
 154       l10n_util::GetStringUTF16(IDS_EXTENSION_PROMPT_WARNING_BLUETOOTH)));
 155
 156   if (!uuids_.empty()) {
 157     result.push_back(
 158         PermissionMessage(PermissionMessage::kBluetoothDevices,
 159                           l10n_util::GetStringUTF16(
 160                               IDS_EXTENSION_PROMPT_WARNING_BLUETOOTH_DEVICES)));
 161   }
 162
 163   return result;
 164 }
 165
 166 bool BluetoothManifestPermission::FromValue(const base::Value* value) {
 167   if (!value)
 168     return false;
 169   base::string16 error;
 170   scoped_ptr<BluetoothManifestPermission> manifest_permission(
 171       BluetoothManifestPermission::FromValue(*value, &error));
 172
 173   if (!manifest_permission)
 174     return false;
 175
 176   uuids_ = manifest_permission->uuids_;
 177   return true;
 178 }
 179
 180 scoped_ptr<base::Value> BluetoothManifestPermission::ToValue() const {
 181   api::extensions_manifest_types::Bluetooth bluetooth;
 182   bluetooth.uuids.reset(new std::vector<std::string>(uuids_.begin(),
 183                                                      uuids_.end()));
 184   return bluetooth.ToValue().Pass();
 185 }
 186
 187 ManifestPermission* BluetoothManifestPermission::Diff(
 188     const ManifestPermission* rhs) const {
 189   const BluetoothManifestPermission* other =
 190       static_cast<const BluetoothManifestPermission*>(rhs);
 191
 192   scoped_ptr<BluetoothManifestPermission> result(
 193       new BluetoothManifestPermission());
 194   result->uuids_ = base::STLSetDifference<BluetoothUuidSet>(
 195       uuids_, other->uuids_);
 196   return result.release();
 197 }
 198
 199 ManifestPermission* BluetoothManifestPermission::Union(
 200     const ManifestPermission* rhs) const {
 201   const BluetoothManifestPermission* other =
 202       static_cast<const BluetoothManifestPermission*>(rhs);
 203
 204   scoped_ptr<BluetoothManifestPermission> result(
 205       new BluetoothManifestPermission());
 206   result->uuids_ = base::STLSetUnion<BluetoothUuidSet>(
 207       uuids_, other->uuids_);
 208   return result.release();
 209 }
 210
 211 ManifestPermission* BluetoothManifestPermission::Intersect(
 212     const ManifestPermission* rhs) const {
 213   const BluetoothManifestPermission* other =
 214       static_cast<const BluetoothManifestPermission*>(rhs);
 215
 216   scoped_ptr<BluetoothManifestPermission> result(
 217       new BluetoothManifestPermission());
 218   result->uuids_ = base::STLSetIntersection<BluetoothUuidSet>(
 219       uuids_, other->uuids_);
 220   return result.release();
 221 }
 222
 223 void BluetoothManifestPermission::AddPermission(const std::string& uuid) {
 224   uuids_.insert(uuid);
 225 }
 226
 227 }  // namespace extensions