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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/usb/usb_policy_allowed_devices.h"
#include <memory>
#include <string>
#include <utility>
#include "base/containers/contains.h"
#include "base/test/values_test_util.h"
#include "chrome/test/base/testing_profile.h"
#include "components/content_settings/core/common/pref_names.h"
#include "components/prefs/pref_service.h"
#include "content/public/test/browser_task_environment.h"
#include "services/device/public/cpp/test/fake_usb_device_manager.h"
#include "services/device/public/mojom/usb_device.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace {
using ::base::test::ParseJson;
using ::testing::UnorderedElementsAre;
class UsbPolicyAllowedDevicesTest : public testing::Test {
public:
UsbPolicyAllowedDevicesTest() = default;
~UsbPolicyAllowedDevicesTest() override = default;
void SetWebUsbAllowDevicesForUrlsPrefValue(const base::Value& value) {
profile_.GetPrefs()->Set(prefs::kManagedWebUsbAllowDevicesForUrls, value);
}
protected:
Profile* profile() { return &profile_; }
std::unique_ptr<UsbPolicyAllowedDevices> CreateUsbPolicyAllowedDevices() {
return std::make_unique<UsbPolicyAllowedDevices>(profile()->GetPrefs());
}
device::FakeUsbDeviceManager device_manager_;
const url::Origin kGoogleOrigin =
url::Origin::Create(GURL("https://google.com"));
const url::Origin kCrbugOrigin =
url::Origin::Create(GURL("https://crbug.com"));
const url::Origin kYoutubeOrigin =
url::Origin::Create(GURL("https://www.youtube.com"));
private:
content::BrowserTaskEnvironment task_environment_;
TestingProfile profile_;
};
} // namespace
TEST_F(UsbPolicyAllowedDevicesTest, InitializeWithMissingPrefValue) {
auto usb_policy_allowed_devices = CreateUsbPolicyAllowedDevices();
EXPECT_TRUE(usb_policy_allowed_devices->map().empty());
}
TEST_F(UsbPolicyAllowedDevicesTest, InitializeWithExistingEmptyPrefValue) {
base::Value pref_value(base::Value::Type::LIST);
SetWebUsbAllowDevicesForUrlsPrefValue(pref_value);
auto usb_policy_allowed_devices = CreateUsbPolicyAllowedDevices();
EXPECT_TRUE(usb_policy_allowed_devices->map().empty());
}
namespace {
constexpr char kPolicySetting[] = R"(
[
{
"devices": [
{ "vendor_id": 1234, "product_id": 5678 },
{ "vendor_id": 4321 }
],
"urls": [
"https://google.com,https://google.com",
"https://crbug.com"
]
}, {
"devices": [{}],
"urls": ["https://www.youtube.com"]
}
])";
} // namespace
TEST_F(UsbPolicyAllowedDevicesTest, InitializeWithExistingPrefValue) {
SetWebUsbAllowDevicesForUrlsPrefValue(ParseJson(kPolicySetting));
auto usb_policy_allowed_devices = CreateUsbPolicyAllowedDevices();
const auto& map = usb_policy_allowed_devices->map();
EXPECT_EQ(map.size(), 3ul);
auto device_key = std::make_pair(1234, 5678);
ASSERT_TRUE(base::Contains(map, device_key));
const auto& first = map.at(device_key);
EXPECT_THAT(first, UnorderedElementsAre(kGoogleOrigin, kCrbugOrigin));
device_key = std::make_pair(4321, -1);
ASSERT_TRUE(base::Contains(map, device_key));
const auto& second = map.at(device_key);
EXPECT_THAT(second, UnorderedElementsAre(kGoogleOrigin, kCrbugOrigin));
device_key = std::make_pair(-1, -1);
ASSERT_TRUE(base::Contains(map, device_key));
const auto& third = map.at(device_key);
EXPECT_THAT(third, UnorderedElementsAre(kYoutubeOrigin));
}
TEST_F(UsbPolicyAllowedDevicesTest,
InitializeWithMissingPolicyThenUpdatePolicy) {
auto usb_policy_allowed_devices = CreateUsbPolicyAllowedDevices();
EXPECT_TRUE(usb_policy_allowed_devices->map().empty());
// Ensure that the allowed devices can be dynamically updated.
SetWebUsbAllowDevicesForUrlsPrefValue(ParseJson(kPolicySetting));
const auto& map = usb_policy_allowed_devices->map();
EXPECT_EQ(map.size(), 3ul);
auto device_key = std::make_pair(1234, 5678);
ASSERT_TRUE(base::Contains(map, device_key));
EXPECT_THAT(map.at(device_key),
UnorderedElementsAre(kGoogleOrigin, kCrbugOrigin));
device_key = std::make_pair(4321, -1);
ASSERT_TRUE(base::Contains(map, device_key));
EXPECT_THAT(map.at(device_key),
UnorderedElementsAre(kGoogleOrigin, kCrbugOrigin));
device_key = std::make_pair(-1, -1);
ASSERT_TRUE(base::Contains(map, device_key));
EXPECT_THAT(map.at(device_key), UnorderedElementsAre(kYoutubeOrigin));
}
TEST_F(UsbPolicyAllowedDevicesTest,
InitializeWithExistingPolicyThenRemovePolicy) {
SetWebUsbAllowDevicesForUrlsPrefValue(ParseJson(kPolicySetting));
auto usb_policy_allowed_devices = CreateUsbPolicyAllowedDevices();
const auto& map = usb_policy_allowed_devices->map();
EXPECT_EQ(map.size(), 3ul);
auto device_key = std::make_pair(1234, 5678);
ASSERT_TRUE(base::Contains(map, device_key));
const auto& first = map.at(device_key);
EXPECT_THAT(first, UnorderedElementsAre(kGoogleOrigin, kCrbugOrigin));
device_key = std::make_pair(4321, -1);
ASSERT_TRUE(base::Contains(map, device_key));
const auto& second = map.at(device_key);
EXPECT_THAT(second, UnorderedElementsAre(kGoogleOrigin, kCrbugOrigin));
device_key = std::make_pair(-1, -1);
ASSERT_TRUE(base::Contains(map, device_key));
const auto& third = map.at(device_key);
EXPECT_THAT(third, UnorderedElementsAre(kYoutubeOrigin));
// Ensure that the allowed devices can be removed dynamically.
SetWebUsbAllowDevicesForUrlsPrefValue(base::Value(base::Value::Type::LIST));
EXPECT_TRUE(usb_policy_allowed_devices->map().empty());
}
namespace {
constexpr char kPolicySettingWithEntriesContainingDuplicateDevices[] = R"(
[
{
"devices": [{ "vendor_id": 1234, "product_id": 5678 }],
"urls": [
"https://google.com",
"https://crbug.com"
]
}, {
"devices": [{ "vendor_id": 1234, "product_id": 5678 }],
"urls": ["https://www.youtube.com"]
}
])";
} // namespace
TEST_F(UsbPolicyAllowedDevicesTest,
InitializeWithExistingPrefValueContainingDuplicateDevices) {
SetWebUsbAllowDevicesForUrlsPrefValue(
ParseJson(kPolicySettingWithEntriesContainingDuplicateDevices));
auto usb_policy_allowed_devices = CreateUsbPolicyAllowedDevices();
const auto& map = usb_policy_allowed_devices->map();
ASSERT_EQ(map.size(), 1ul);
auto device_key = std::make_pair(1234, 5678);
ASSERT_TRUE(base::Contains(map, device_key));
// Ensure a device has all of the URL patterns allowed to access it.
const auto& policy = map.at(device_key);
EXPECT_THAT(policy, UnorderedElementsAre(kGoogleOrigin, kCrbugOrigin,
kYoutubeOrigin));
}
namespace {
constexpr char kPolicySettingWithEntriesMatchingMultipleDevices[] = R"(
[
{
"devices": [{ "vendor_id": 1234, "product_id": 5678 }],
"urls": ["https://google.com"]
}, {
"devices": [{ "vendor_id": 1234 }],
"urls": ["https://www.youtube.com"]
}, {
"devices": [{}],
"urls": ["https://chromium.org"]
}
])";
} // namespace
TEST_F(UsbPolicyAllowedDevicesTest, IsDeviceAllowed) {
SetWebUsbAllowDevicesForUrlsPrefValue(
ParseJson(kPolicySettingWithEntriesMatchingMultipleDevices));
auto usb_policy_allowed_devices = CreateUsbPolicyAllowedDevices();
const auto kGoogleOrigin = url::Origin::Create(GURL("https://google.com"));
const auto kYoutubeOrigin =
url::Origin::Create(GURL("https://www.youtube.com"));
const auto kChromiumOrigin =
url::Origin::Create(GURL("https://chromium.org"));
auto specific_device_info = device_manager_.CreateAndAddDevice(
1234, 5678, "Google", "Gizmo", "123ABC");
auto vendor_device_info = device_manager_.CreateAndAddDevice(
1234, 8765, "Google", "Gizmo", "ABC123");
auto unrelated_device_info = device_manager_.CreateAndAddDevice(
4321, 8765, "Chrome", "Gizmo", "987ZYX");
// Check that the specific device is allowed for https://google.com but not
// any other device.
EXPECT_TRUE(usb_policy_allowed_devices->IsDeviceAllowed(
kGoogleOrigin, *specific_device_info));
EXPECT_FALSE(usb_policy_allowed_devices->IsDeviceAllowed(
kGoogleOrigin, *vendor_device_info));
EXPECT_FALSE(usb_policy_allowed_devices->IsDeviceAllowed(
kGoogleOrigin, *unrelated_device_info));
// Check that devices with a vendor ID of 1234 are allowed for
// https://www.youtube.com, but not an unrelated device.
EXPECT_TRUE(usb_policy_allowed_devices->IsDeviceAllowed(
kYoutubeOrigin, *specific_device_info));
EXPECT_TRUE(usb_policy_allowed_devices->IsDeviceAllowed(kYoutubeOrigin,
*vendor_device_info));
EXPECT_FALSE(usb_policy_allowed_devices->IsDeviceAllowed(
kYoutubeOrigin, *unrelated_device_info));
// Check that any device is allowed for https://chromium.org.
EXPECT_TRUE(usb_policy_allowed_devices->IsDeviceAllowed(
kChromiumOrigin, *specific_device_info));
EXPECT_TRUE(usb_policy_allowed_devices->IsDeviceAllowed(kChromiumOrigin,
*vendor_device_info));
EXPECT_TRUE(usb_policy_allowed_devices->IsDeviceAllowed(
kChromiumOrigin, *unrelated_device_info));
}
TEST_F(UsbPolicyAllowedDevicesTest, IsDeviceAllowedForUrlsNotInPref) {
SetWebUsbAllowDevicesForUrlsPrefValue(
ParseJson(kPolicySettingWithEntriesMatchingMultipleDevices));
auto usb_policy_allowed_devices = CreateUsbPolicyAllowedDevices();
const url::Origin origins[] = {
url::Origin::Create(GURL("https://evil.com")),
url::Origin::Create(GURL("https://very.evil.com")),
url::Origin::Create(GURL("https://chromium.deceptive.org"))};
auto device_info = device_manager_.CreateAndAddDevice(1234, 5678, "Google",
"Gizmo", "123ABC");
for (const url::Origin& origin : origins) {
EXPECT_FALSE(
usb_policy_allowed_devices->IsDeviceAllowed(origin, *device_info));
}
}
TEST_F(UsbPolicyAllowedDevicesTest, IsDeviceAllowedForDeviceNotInPref) {
SetWebUsbAllowDevicesForUrlsPrefValue(
ParseJson(kPolicySettingWithEntriesMatchingMultipleDevices));
auto usb_policy_allowed_devices = CreateUsbPolicyAllowedDevices();
const url::Origin origins[] = {
url::Origin::Create(GURL("https://google.com")),
url::Origin::Create(GURL("https://www.youtube.com"))};
auto device_info = device_manager_.CreateAndAddDevice(4321, 8765, "Google",
"Gizmo", "123ABC");
for (const url::Origin& origin : origins) {
EXPECT_FALSE(
usb_policy_allowed_devices->IsDeviceAllowed(origin, *device_info));
}
}
namespace {
constexpr char kPolicySettingWithUrlContainingEmbeddingOrigin[] = R"(
[
{
"devices": [{ "vendor_id": 1234, "product_id": 5678 }],
"urls": [
"https://requesting.com,https://embedding.com"
]
}
])";
} // namespace
TEST_F(UsbPolicyAllowedDevicesTest,
IsDeviceAllowedForUrlContainingEmbeddingOrigin) {
SetWebUsbAllowDevicesForUrlsPrefValue(
ParseJson(kPolicySettingWithUrlContainingEmbeddingOrigin));
auto usb_policy_allowed_devices = CreateUsbPolicyAllowedDevices();
const auto requesting_origin =
url::Origin::Create(GURL("https://requesting.com"));
const auto embedding_origin =
url::Origin::Create(GURL("https://embedding.com"));
auto device_info = device_manager_.CreateAndAddDevice(1234, 5678, "Google",
"Gizmo", "123ABC");
EXPECT_TRUE(usb_policy_allowed_devices->IsDeviceAllowed(embedding_origin,
*device_info));
EXPECT_FALSE(usb_policy_allowed_devices->IsDeviceAllowed(requesting_origin,
*device_info));
}
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