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