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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/common/permissions/usb_device_permission.h"
#include <set>
#include <string>
#include "base/logging.h"
#include "base/strings/string16.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "device/usb/usb_ids.h"
#include "extensions/common/permissions/permissions_info.h"
#include "grit/extensions_strings.h"
#include "ui/base/l10n/l10n_util.h"
namespace extensions {
UsbDevicePermission::UsbDevicePermission(const APIPermissionInfo* info)
: SetDisjunctionPermission<UsbDevicePermissionData, UsbDevicePermission>(
info) {}
UsbDevicePermission::~UsbDevicePermission() {}
bool UsbDevicePermission::FromValue(
const base::Value* value,
std::string* error,
std::vector<std::string>* unhandled_permissions) {
bool parsed_ok =
SetDisjunctionPermission<UsbDevicePermissionData, UsbDevicePermission>::
FromValue(value, error, unhandled_permissions);
if (parsed_ok && data_set_.empty()) {
if (error)
*error = "NULL or empty permission list";
return false;
}
return parsed_ok;
}
PermissionIDSet UsbDevicePermission::GetPermissions() const {
PermissionIDSet ids;
std::set<uint16_t> unknown_product_vendors;
bool found_unknown_vendor = false;
for (const UsbDevicePermissionData& data : data_set_) {
const char* vendor = device::UsbIds::GetVendorName(data.vendor_id());
if (vendor) {
const char* product =
device::UsbIds::GetProductName(data.vendor_id(), data.product_id());
if (product) {
base::string16 product_name_and_vendor = l10n_util::GetStringFUTF16(
IDS_EXTENSION_USB_DEVICE_PRODUCT_NAME_AND_VENDOR,
base::UTF8ToUTF16(product), base::UTF8ToUTF16(vendor));
ids.insert(APIPermission::kUsbDevice, product_name_and_vendor);
} else {
unknown_product_vendors.insert(data.vendor_id());
}
} else {
found_unknown_vendor = true;
}
}
for (uint16_t vendor_id : unknown_product_vendors) {
const char* vendor = device::UsbIds::GetVendorName(vendor_id);
DCHECK(vendor);
ids.insert(APIPermission::kUsbDeviceUnknownProduct,
base::UTF8ToUTF16(vendor));
}
if (found_unknown_vendor)
ids.insert(APIPermission::kUsbDeviceUnknownVendor);
return ids;
}
} // namespace extensions
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