extensions/common/permissions/usb_device_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/permissions/usb_device_permission.h"
   6
   7 #include <set>
   8 #include <string>
   9
  10 #include "base/logging.h"
  11 #include "base/strings/string16.h"
  12 #include "base/strings/string_util.h"
  13 #include "base/strings/stringprintf.h"
  14 #include "base/strings/utf_string_conversions.h"
  15 #include "device/usb/usb_ids.h"
  16 #include "extensions/common/permissions/permissions_info.h"
  17 #include "grit/extensions_strings.h"
  18 #include "ui/base/l10n/l10n_util.h"
  19
  20 namespace extensions {
  21
  22 UsbDevicePermission::UsbDevicePermission(const APIPermissionInfo* info)
  23     : SetDisjunctionPermission<UsbDevicePermissionData, UsbDevicePermission>(
  24           info) {}
  25
  26 UsbDevicePermission::~UsbDevicePermission() {}
  27
  28 PermissionIDSet UsbDevicePermission::GetPermissions() const {
  29   PermissionIDSet ids;
  30
  31   std::set<uint16> unknown_product_vendors;
  32   bool found_unknown_vendor = false;
  33
  34   for (const UsbDevicePermissionData& data : data_set_) {
  35     const char* vendor = device::UsbIds::GetVendorName(data.vendor_id());
  36     if (vendor) {
  37       const char* product =
  38           device::UsbIds::GetProductName(data.vendor_id(), data.product_id());
  39       if (product) {
  40         base::string16 product_name_and_vendor = l10n_util::GetStringFUTF16(
  41             IDS_EXTENSION_PROMPT_WARNING_USB_DEVICE_PRODUCT_NAME_AND_VENDOR,
  42             base::UTF8ToUTF16(product), base::UTF8ToUTF16(vendor));
  43         ids.insert(APIPermission::kUsbDevice, product_name_and_vendor);
  44       } else {
  45         unknown_product_vendors.insert(data.vendor_id());
  46       }
  47     } else {
  48       found_unknown_vendor = true;
  49     }
  50   }
  51
  52   for (uint16 vendor_id : unknown_product_vendors) {
  53     const char* vendor = device::UsbIds::GetVendorName(vendor_id);
  54     DCHECK(vendor);
  55     ids.insert(APIPermission::kUsbDeviceUnknownProduct,
  56                base::UTF8ToUTF16(vendor));
  57   }
  58
  59   if (found_unknown_vendor)
  60     ids.insert(APIPermission::kUsbDeviceUnknownVendor);
  61
  62   return ids;
  63 }
  64
  65 }  // namespace extensions