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(
  23     const APIPermissionInfo* info)
  24   : SetDisjunctionPermission<UsbDevicePermissionData,
  25                              UsbDevicePermission>(info) {
  26 }
  27
  28 UsbDevicePermission::~UsbDevicePermission() {
  29 }
  30
  31 PermissionMessages UsbDevicePermission::GetMessages() const {
  32   DCHECK(HasMessages());
  33   PermissionMessages result;
  34
  35   if (data_set_.size() == 1) {
  36     const UsbDevicePermissionData& data = *data_set_.begin();
  37
  38     const char* vendor = device::UsbIds::GetVendorName(data.vendor_id());
  39     if (vendor) {
  40       const char* product =
  41           device::UsbIds::GetProductName(data.vendor_id(), data.product_id());
  42       if (product) {
  43         result.push_back(PermissionMessage(
  44             PermissionMessage::kUsbDevice,
  45             l10n_util::GetStringFUTF16(IDS_EXTENSION_PROMPT_WARNING_USB_DEVICE,
  46                                        base::UTF8ToUTF16(product),
  47                                        base::UTF8ToUTF16(vendor))));
  48       } else {
  49         result.push_back(PermissionMessage(
  50             PermissionMessage::kUsbDevice,
  51             l10n_util::GetStringFUTF16(
  52                 IDS_EXTENSION_PROMPT_WARNING_USB_DEVICE_UNKNOWN_PRODUCT,
  53                 base::UTF8ToUTF16(vendor))));
  54       }
  55     } else {
  56       result.push_back(PermissionMessage(
  57           PermissionMessage::kUsbDevice,
  58           l10n_util::GetStringUTF16(
  59               IDS_EXTENSION_PROMPT_WARNING_USB_DEVICE_UNKNOWN_VENDOR)));
  60     }
  61   } else if (data_set_.size() > 1) {
  62     std::vector<base::string16> details;
  63     std::set<uint16> unknown_product_vendors;
  64     bool found_unknown_vendor = false;
  65
  66     for (const UsbDevicePermissionData& data : data_set_) {
  67       const char* vendor = device::UsbIds::GetVendorName(data.vendor_id());
  68       if (vendor) {
  69         const char* product =
  70             device::UsbIds::GetProductName(data.vendor_id(), data.product_id());
  71         if (product) {
  72           details.push_back(l10n_util::GetStringFUTF16(
  73               IDS_EXTENSION_PROMPT_WARNING_USB_DEVICE_LIST_ITEM,
  74               base::UTF8ToUTF16(product), base::UTF8ToUTF16(vendor)));
  75         } else {
  76           unknown_product_vendors.insert(data.vendor_id());
  77         }
  78       } else {
  79         found_unknown_vendor = true;
  80       }
  81     }
  82
  83     // List generic "devices from this vendor" entries after specific devices.
  84     for (const uint16& vendor_id : unknown_product_vendors) {
  85       const char* vendor = device::UsbIds::GetVendorName(vendor_id);
  86       DCHECK(vendor);
  87       details.push_back(l10n_util::GetStringFUTF16(
  88           IDS_EXTENSION_PROMPT_WARNING_USB_DEVICE_LIST_ITEM_UNKNOWN_PRODUCT,
  89           base::UTF8ToUTF16(vendor)));
  90     }
  91
  92     // Display the catch all "device from an unknown vendor" last.
  93     if (found_unknown_vendor) {
  94       details.push_back(l10n_util::GetStringUTF16(
  95           IDS_EXTENSION_PROMPT_WARNING_USB_DEVICE_LIST_ITEM_UNKNOWN_VENDOR));
  96     }
  97
  98     result.push_back(PermissionMessage(
  99         PermissionMessage::kUsbDevice,
 100         l10n_util::GetStringUTF16(IDS_EXTENSION_PROMPT_WARNING_USB_DEVICE_LIST),
 101         JoinString(details, base::char16('\n'))));
 102   }
 103
 104   return result;
 105 }
 106
 107 }  // namespace extensions