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content / browser / direct_sockets / direct_sockets_udp_browsertest.cc [blame]
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/notreached.h"
#include "base/strings/string_number_conversions.h"
#include "base/task/sequenced_task_runner.h"
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "content/browser/direct_sockets/direct_sockets_service_impl.h"
#include "content/browser/direct_sockets/direct_sockets_test_utils.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/shell/browser/shell.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "net/base/ip_address.h"
#include "net/base/ip_endpoint.h"
#include "net/dns/host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "services/network/public/mojom/network_context.mojom.h"
#include "services/network/public/mojom/udp_socket.mojom.h"
#include "services/network/test/test_network_context.h"
#include "services/network/test/test_udp_socket.h"
#include "services/network/test/udp_socket_test_util.h"
#include "testing/gmock/include/gmock/gmock-matchers.h"
#include "third_party/blink/public/common/features_generated.h"
#include "url/gurl.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "chromeos/dbus/permission_broker/fake_permission_broker_client.h" // nogncheck
#endif // BUILDFLAG(IS_CHROMEOS)
// The tests in this file use the Network Service implementation of
// NetworkContext, to test sending and receiving of data over UDP sockets.
namespace content {
namespace {
constexpr char kLocalhostAddress[] = "127.0.0.1";
} // anonymous namespace
class DirectSocketsUdpBrowserTest : public ContentBrowserTest {
public:
~DirectSocketsUdpBrowserTest() override = default;
GURL GetTestPageURL() {
return embedded_test_server()->GetURL("/direct_sockets/udp.html");
}
network::mojom::NetworkContext* GetNetworkContext() {
return browser_context()->GetDefaultStoragePartition()->GetNetworkContext();
}
raw_ptr<content::test::AsyncJsRunner> GetAsyncJsRunner() const {
return runner_.get();
}
void ConnectJsSocket(int port = 0) const {
const std::string open_socket = JsReplace(
R"(
socket = new UDPSocket({ remoteAddress: $1, remotePort: $2 });
await socket.opened;
)",
kLocalhostAddress, port);
ASSERT_TRUE(
EvalJs(shell(), content::test::WrapAsync(open_socket)).value.is_none());
}
protected:
void SetUpOnMainThread() override {
ContentBrowserTest::SetUpOnMainThread();
client_ = std::make_unique<test::IsolatedWebAppContentBrowserClient>(
url::Origin::Create(GetTestPageURL()));
runner_ =
std::make_unique<content::test::AsyncJsRunner>(shell()->web_contents());
ASSERT_TRUE(NavigateToURL(shell(), GetTestPageURL()));
}
void SetUp() override {
embedded_test_server()->AddDefaultHandlers(GetTestDataFilePath());
ASSERT_TRUE(embedded_test_server()->Start());
ContentBrowserTest::SetUp();
}
std::pair<net::IPEndPoint,
std::unique_ptr<network::test::UDPSocketTestHelper>>
CreateUDPServerSocket(mojo::PendingRemote<network::mojom::UDPSocketListener>
listener_receiver_remote) {
GetNetworkContext()->CreateUDPSocket(
server_socket_.BindNewPipeAndPassReceiver(),
std::move(listener_receiver_remote));
server_socket_.set_disconnect_handler(
base::BindLambdaForTesting([]() { NOTREACHED_IN_MIGRATION(); }));
net::IPEndPoint server_addr(net::IPAddress::IPv4Localhost(), 0);
auto server_helper =
std::make_unique<network::test::UDPSocketTestHelper>(&server_socket_);
int result = server_helper->BindSync(server_addr, nullptr, &server_addr);
DCHECK_EQ(net::OK, result);
return {server_addr, std::move(server_helper)};
}
mojo::Remote<network::mojom::UDPSocket>& GetUDPServerSocket() {
return server_socket_;
}
private:
BrowserContext* browser_context() {
return shell()->web_contents()->GetBrowserContext();
}
base::test::ScopedFeatureList feature_list_{blink::features::kDirectSockets};
mojo::Remote<network::mojom::UDPSocket> server_socket_;
std::unique_ptr<test::IsolatedWebAppContentBrowserClient> client_;
std::unique_ptr<content::test::AsyncJsRunner> runner_;
};
IN_PROC_BROWSER_TEST_F(DirectSocketsUdpBrowserTest, CloseUdp) {
const std::string script =
"closeUdp({ remoteAddress: '::1', remotePort: 993 })";
EXPECT_EQ("closeUdp succeeded", EvalJs(shell(), script));
}
IN_PROC_BROWSER_TEST_F(DirectSocketsUdpBrowserTest, SendUdpAfterClose) {
const int32_t kRequiredBytes = 1;
const std::string script =
JsReplace("sendUdpAfterClose({ remoteAddress: $1, remotePort: $2 }, $3)",
kLocalhostAddress, 993, kRequiredBytes);
EXPECT_THAT(EvalJs(shell(), script).ExtractString(),
::testing::HasSubstr("Stream closed."));
}
IN_PROC_BROWSER_TEST_F(DirectSocketsUdpBrowserTest, ReadUdpAfterSocketClose) {
network::test::UDPSocketListenerImpl listener;
mojo::Receiver<network::mojom::UDPSocketListener> listener_receiver{
&listener};
auto [server_address, server_helper] =
CreateUDPServerSocket(listener_receiver.BindNewPipeAndPassRemote());
const std::string script = JsReplace(
"readUdpAfterSocketClose({ remoteAddress: $1, remotePort: $2 })",
server_address.ToStringWithoutPort(), server_address.port());
EXPECT_EQ("readUdpAferSocketClose succeeded.", EvalJs(shell(), script));
}
IN_PROC_BROWSER_TEST_F(DirectSocketsUdpBrowserTest, ReadUdpAfterStreamClose) {
network::test::UDPSocketListenerImpl listener;
mojo::Receiver<network::mojom::UDPSocketListener> listener_receiver{
&listener};
auto [server_address, server_helper] =
CreateUDPServerSocket(listener_receiver.BindNewPipeAndPassRemote());
const std::string script = JsReplace(
"readUdpAfterStreamClose({ remoteAddress: $1, remotePort: $2 })",
server_address.ToStringWithoutPort(), server_address.port());
EXPECT_EQ("readUdpAferStreamClose succeeded.", EvalJs(shell(), script));
}
IN_PROC_BROWSER_TEST_F(DirectSocketsUdpBrowserTest, CloseWithActiveReader) {
network::test::UDPSocketListenerImpl listener;
mojo::Receiver<network::mojom::UDPSocketListener> listener_receiver{
&listener};
auto [server_address, server_helper] =
CreateUDPServerSocket(listener_receiver.BindNewPipeAndPassRemote());
const std::string open_socket = JsReplace(
"closeUdpWithLockedReadable({ remoteAddress: $1, remotePort: $2 }, "
"/*unlock=*/false)",
server_address.ToStringWithoutPort(), server_address.port());
EXPECT_THAT(EvalJs(shell(), open_socket).ExtractString(),
::testing::StartsWith("closeUdpWithLockedReadable failed"));
}
IN_PROC_BROWSER_TEST_F(DirectSocketsUdpBrowserTest,
CloseWithActiveReaderForce) {
network::test::UDPSocketListenerImpl listener;
mojo::Receiver<network::mojom::UDPSocketListener> listener_receiver{
&listener};
auto [server_address, server_helper] =
CreateUDPServerSocket(listener_receiver.BindNewPipeAndPassRemote());
const std::string open_socket = JsReplace(
"closeUdpWithLockedReadable({ remoteAddress: $1, remotePort: $2 }, "
"/*unlock=*/true)",
server_address.ToStringWithoutPort(), server_address.port());
EXPECT_THAT(EvalJs(shell(), open_socket).ExtractString(),
::testing::StartsWith("closeUdpWithLockedReadable succeeded"));
}
IN_PROC_BROWSER_TEST_F(DirectSocketsUdpBrowserTest, ReadWriteUdpOnSendError) {
content::test::MockNetworkContext mock_network_context;
DirectSocketsServiceImpl::SetNetworkContextForTesting(&mock_network_context);
ConnectJsSocket();
const std::string async_read = "readWriteUdpOnError(socket);";
auto future = GetAsyncJsRunner()->RunScript(async_read);
// Next attempt to write to the socket will result in ERR_UNEXPECTED and close
// the writable stream.
mock_network_context.get_udp_socket()->SetNextSendResult(net::ERR_UNEXPECTED);
// MockNetworkContext owns the MockUDPSocket and therefore outlives it.
mock_network_context.get_udp_socket()->SetAdditionalSendCallback(
base::BindOnce(
[](content::test::MockNetworkContext* context) {
// Next read from the socket will receive ERR_UNEXPECTED and close
// the readable stream.
context->get_udp_socket()->MockSend(net::ERR_UNEXPECTED);
},
&mock_network_context));
EXPECT_THAT(future->Get(),
::testing::HasSubstr("readWriteUdpOnError succeeded"));
}
IN_PROC_BROWSER_TEST_F(DirectSocketsUdpBrowserTest, ReadWriteUdpOnSocketError) {
content::test::MockNetworkContext mock_network_context;
DirectSocketsServiceImpl::SetNetworkContextForTesting(&mock_network_context);
ConnectJsSocket();
// Next attempt to write to the socket will result in ERR_UNEXPECTED and close
// the writable stream.
mock_network_context.get_udp_socket()->SetNextSendResult(net::ERR_UNEXPECTED);
// MockNetworkContext owns the MockUDPSocket and therefore outlives it.
mock_network_context.get_udp_socket()->SetAdditionalSendCallback(
base::BindOnce(
[](content::test::MockNetworkContext* context) {
// This will break the receiver pipe and close the readable stream.
context->get_udp_socket()->get_listener().reset();
},
&mock_network_context));
const std::string script = "readWriteUdpOnError(socket)";
auto future = GetAsyncJsRunner()->RunScript(script);
EXPECT_THAT(future->Get(),
::testing::HasSubstr("readWriteUdpOnError succeeded"));
}
class DirectSocketsBoundUdpBrowserTest : public DirectSocketsUdpBrowserTest {
public:
#if BUILDFLAG(IS_CHROMEOS)
DirectSocketsBoundUdpBrowserTest() {
chromeos::PermissionBrokerClient::InitializeFake();
DirectSocketsServiceImpl::SetAlwaysOpenFirewallHoleForTesting();
}
~DirectSocketsBoundUdpBrowserTest() override {
chromeos::PermissionBrokerClient::Shutdown();
}
#endif // BUILDFLAG(IS_CHROMEOS)
};
IN_PROC_BROWSER_TEST_F(DirectSocketsBoundUdpBrowserTest, ExchangeUdp) {
ASSERT_THAT(EvalJs(shell(), "exchangeUdpPacketsBetweenClientAndServer()")
.ExtractString(),
testing::HasSubstr("succeeded"));
}
#if BUILDFLAG(IS_CHROMEOS)
IN_PROC_BROWSER_TEST_F(DirectSocketsBoundUdpBrowserTest, HasFirewallHole) {
class DelegateImpl : public chromeos::FakePermissionBrokerClient::Delegate {
public:
DelegateImpl(uint16_t port, base::OnceClosure quit_closure)
: port_(port), quit_closure_(std::move(quit_closure)) {}
void OnUdpPortReleased(uint16_t port,
const std::string& interface) override {
if (port == port_) {
ASSERT_EQ(interface, "");
ASSERT_TRUE(quit_closure_);
std::move(quit_closure_).Run();
}
}
private:
uint16_t port_;
base::OnceClosure quit_closure_;
};
auto* client = static_cast<chromeos::FakePermissionBrokerClient*>(
chromeos::PermissionBrokerClient::Get());
const std::string open_script = R"(
(async () => {
socket = new UDPSocket({ localAddress: '127.0.0.1' });
const { localPort } = await socket.opened;
return localPort;
})();
)";
const int32_t local_port = EvalJs(shell(), open_script).ExtractInt();
ASSERT_TRUE(client->HasUdpHole(local_port, "" /* all interfaces */));
base::RunLoop run_loop;
auto delegate =
std::make_unique<DelegateImpl>(local_port, run_loop.QuitClosure());
client->AttachDelegate(delegate.get());
EXPECT_TRUE(EvalJs(shell(), content::test::WrapAsync("socket.close()"))
.error.empty());
run_loop.Run();
}
IN_PROC_BROWSER_TEST_F(DirectSocketsBoundUdpBrowserTest, FirewallHoleDenied) {
auto* client = chromeos::FakePermissionBrokerClient::Get();
client->SetUdpDenyAll();
const std::string open_script = R"(
(async () => {
socket = new UDPSocket({ localAddress: '127.0.0.1' });
return await socket.opened.catch(err => err.message);
})();
)";
EXPECT_THAT(EvalJs(shell(), open_script).ExtractString(),
testing::HasSubstr("Firewall"));
}
#endif // BUILDFLAG(IS_CHROMEOS)
IN_PROC_BROWSER_TEST_F(DirectSocketsUdpBrowserTest, UdpMessageConfigurations) {
{
const std::string script = R"(
testUdpMessageConfiguration({
localAddress: '127.0.0.1',
}, {})
)";
ASSERT_THAT(EvalJs(shell(), script).ExtractString(),
testing::HasSubstr("UDPMessage: missing 'data' field"));
}
{
const std::string script = R"(
testUdpMessageConfiguration({
localAddress: '127.0.0.1',
}, {
data: (new TextEncoder()).encode("meow"),
remoteAddress: '127.0.0.1',
})
)";
ASSERT_THAT(EvalJs(shell(), script).ExtractString(),
testing::HasSubstr("UDPMessage: either none or both "
"'remoteAddress' and 'remotePort'"));
}
{
const std::string script = R"(
testUdpMessageConfiguration({
localAddress: '127.0.0.1',
}, {
data: (new TextEncoder()).encode("meow"),
remotePort: 53,
})
)";
ASSERT_THAT(EvalJs(shell(), script).ExtractString(),
testing::HasSubstr("UDPMessage: either none or both "
"'remoteAddress' and 'remotePort'"));
}
{
const std::string script = R"(
testUdpMessageConfiguration({
localAddress: '127.0.0.1',
}, {
data: (new TextEncoder()).encode("meow"),
})
)";
ASSERT_THAT(
EvalJs(shell(), script).ExtractString(),
testing::HasSubstr(
"UDPMessage: 'remoteAddress' and 'remotePort' must be specified"));
}
{
const std::string script = R"(
testUdpMessageConfiguration({
localAddress: '127.0.0.1',
}, {
data: (new TextEncoder()).encode("meow"),
})
)";
ASSERT_THAT(
EvalJs(shell(), script).ExtractString(),
testing::HasSubstr("UDPMessage: 'remoteAddress' and 'remotePort' must "
"be specified in 'bound'"));
}
{
const std::string script = R"(
testUdpMessageConfiguration({
remoteAddress: '127.0.0.1',
remotePort: 53,
}, {
data: (new TextEncoder()).encode("meow"),
remoteAddress: '127.0.0.1',
remotePort: 53,
})
)";
ASSERT_THAT(EvalJs(shell(), script).ExtractString(),
testing::HasSubstr(
"UDPMessage: 'remoteAddress' and "
"'remotePort' must not be specified in 'connected'"));
}
}
} // namespace content