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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include <utility>
#include "remoting/host/pairing_registry_delegate_win.h"
#include "base/strings/utf_string_conversions.h"
#include "base/uuid.h"
#include "base/values.h"
#include "base/win/registry.h"
#include "base/win/shlwapi.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
using protocol::PairingRegistry;
class PairingRegistryDelegateWinTest : public testing::Test {
public:
void SetUp() override {
key_name_ = base::Uuid::GenerateRandomV4().AsLowercaseString();
base::win::RegKey root;
EXPECT_TRUE(root.Create(HKEY_CURRENT_USER,
base::UTF8ToWide(key_name_).c_str(),
KEY_READ | KEY_WRITE) == ERROR_SUCCESS);
EXPECT_TRUE(privileged_.Create(root.Handle(), L"privileged",
KEY_READ | KEY_WRITE) == ERROR_SUCCESS);
EXPECT_TRUE(unprivileged_.Create(root.Handle(), L"unprivileged",
KEY_READ | KEY_WRITE) == ERROR_SUCCESS);
}
void TearDown() override {
privileged_.Close();
unprivileged_.Close();
EXPECT_TRUE(
SHDeleteKey(HKEY_CURRENT_USER, base::UTF8ToWide(key_name_).c_str()) ==
ERROR_SUCCESS);
}
protected:
std::string key_name_;
base::win::RegKey privileged_;
base::win::RegKey unprivileged_;
};
TEST_F(PairingRegistryDelegateWinTest, SaveAndLoad) {
std::unique_ptr<PairingRegistryDelegateWin> delegate(
new PairingRegistryDelegateWin());
delegate->SetRootKeys(privileged_.Handle(), unprivileged_.Handle());
// Check that registry is initially empty.
EXPECT_TRUE(delegate->LoadAll().empty());
// Add a couple of pairings.
PairingRegistry::Pairing pairing1(base::Time::Now(), "xxx", "xxx", "xxx");
PairingRegistry::Pairing pairing2(base::Time::Now(), "yyy", "yyy", "yyy");
EXPECT_TRUE(delegate->Save(pairing1));
EXPECT_TRUE(delegate->Save(pairing2));
// Verify that there are two pairings in the store now.
EXPECT_EQ(delegate->LoadAll().size(), 2u);
// Verify that they can be retrieved.
EXPECT_EQ(delegate->Load(pairing1.client_id()), pairing1);
EXPECT_EQ(delegate->Load(pairing2.client_id()), pairing2);
// Delete the first pairing.
EXPECT_TRUE(delegate->Delete(pairing1.client_id()));
// Verify that there is only one pairing left.
EXPECT_EQ(delegate->Load(pairing1.client_id()), PairingRegistry::Pairing());
EXPECT_EQ(delegate->Load(pairing2.client_id()), pairing2);
// Verify that the only remaining value is |pairing2|.
EXPECT_EQ(delegate->LoadAll().size(), 1u);
base::Value::List pairings = delegate->LoadAll();
ASSERT_TRUE(pairings[0].is_dict());
EXPECT_EQ(PairingRegistry::Pairing::CreateFromValue(
std::move(pairings[0]).TakeDict()),
pairing2);
// Delete the rest and verify.
EXPECT_TRUE(delegate->DeleteAll());
EXPECT_TRUE(delegate->LoadAll().empty());
}
// Verifies that the delegate is stateless by using two different instances.
TEST_F(PairingRegistryDelegateWinTest, Stateless) {
std::unique_ptr<PairingRegistryDelegateWin> load_delegate(
new PairingRegistryDelegateWin());
load_delegate->SetRootKeys(privileged_.Handle(), unprivileged_.Handle());
std::unique_ptr<PairingRegistryDelegateWin> save_delegate(
new PairingRegistryDelegateWin());
save_delegate->SetRootKeys(privileged_.Handle(), unprivileged_.Handle());
PairingRegistry::Pairing pairing(base::Time::Now(), "xxx", "xxx", "xxx");
EXPECT_TRUE(save_delegate->Save(pairing));
EXPECT_EQ(load_delegate->Load(pairing.client_id()), pairing);
}
TEST_F(PairingRegistryDelegateWinTest, Unprivileged) {
std::unique_ptr<PairingRegistryDelegateWin> delegate(
new PairingRegistryDelegateWin());
delegate->SetRootKeys(privileged_.Handle(), unprivileged_.Handle());
PairingRegistry::Pairing pairing(base::Time::Now(), "xxx", "xxx", "xxx");
EXPECT_TRUE(delegate->Save(pairing));
EXPECT_EQ(delegate->Load(pairing.client_id()), pairing);
// Strip the delegate from write access and validate that it still can be used
// to read the pairings.
delegate = std::make_unique<PairingRegistryDelegateWin>();
delegate->SetRootKeys(nullptr, unprivileged_.Handle());
PairingRegistry::Pairing unprivileged_pairing =
delegate->Load(pairing.client_id());
EXPECT_EQ(pairing.client_id(), unprivileged_pairing.client_id());
EXPECT_EQ(pairing.client_name(), unprivileged_pairing.client_name());
EXPECT_EQ(pairing.created_time(), unprivileged_pairing.created_time());
// Verify that the shared secret if not available.
EXPECT_TRUE(unprivileged_pairing.shared_secret().empty());
// Verify that a pairing cannot be saved.
EXPECT_FALSE(delegate->Save(pairing));
}
} // namespace remoting
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