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content / browser / interest_group / ad_auction_url_loader_interceptor_unittest.cc [blame]
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/interest_group/ad_auction_url_loader_interceptor.h"
#include <string_view>
#include "base/base64url.h"
#include "base/memory/scoped_refptr.h"
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "content/browser/interest_group/ad_auction_page_data.h"
#include "content/browser/interest_group/header_direct_from_seller_signals.h"
#include "content/browser/loader/subresource_proxying_url_loader_service.h"
#include "content/browser/web_package/prefetched_signed_exchange_cache.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/test/navigation_simulator.h"
#include "content/public/test/test_utils.h"
#include "content/public/test/web_contents_tester.h"
#include "content/test/test_render_frame_host.h"
#include "content/test/test_render_view_host.h"
#include "mojo/public/cpp/system/functions.h"
#include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
#include "services/data_decoder/public/cpp/test_support/in_process_data_decoder.h"
#include "services/network/public/cpp/weak_wrapper_shared_url_loader_factory.h"
#include "services/network/public/cpp/wrapper_shared_url_loader_factory.h"
#include "services/network/public/mojom/early_hints.mojom.h"
#include "services/network/public/mojom/parsed_headers.mojom.h"
#include "services/network/test/test_url_loader_factory.h"
#include "testing/gmock/include/gmock/gmock.h"
namespace content {
namespace {
constexpr char kLegitimateAdAuctionResponse[] =
"ungWv48Bz-pBQUDeXa4iI7ADYaOWF3qctBD_YfIAFa0=";
constexpr char kLegitimateAdAuctionSignals[] =
R"([{"adSlot":"slot1", "sellerSignals":{"signal1":"value1"}}])";
using FollowRedirectParams =
network::TestURLLoaderFactory::TestURLLoader::FollowRedirectParams;
std::string base64Decode(std::string_view input) {
std::string bytes;
CHECK(base::Base64UrlDecode(
input, base::Base64UrlDecodePolicy::IGNORE_PADDING, &bytes));
return bytes;
}
class InterceptingContentBrowserClient : public ContentBrowserClient {
public:
bool IsInterestGroupAPIAllowed(content::BrowserContext* browser_context,
content::RenderFrameHost* render_frame_host,
InterestGroupApiOperation operation,
const url::Origin& top_frame_origin,
const url::Origin& api_origin) override {
return interest_group_allowed_by_settings_;
}
void set_interest_group_allowed_by_settings(bool allowed) {
interest_group_allowed_by_settings_ = allowed;
}
private:
bool interest_group_allowed_by_settings_ = false;
};
class TestURLLoaderClient : public network::mojom::URLLoaderClient {
public:
TestURLLoaderClient() = default;
~TestURLLoaderClient() override = default;
TestURLLoaderClient(const TestURLLoaderClient&) = delete;
TestURLLoaderClient& operator=(const TestURLLoaderClient&) = delete;
mojo::PendingRemote<network::mojom::URLLoaderClient>
BindURLLoaderClientAndGetRemote() {
return receiver_.BindNewPipeAndPassRemote();
}
void OnReceiveResponse(
network::mojom::URLResponseHeadPtr head,
mojo::ScopedDataPipeConsumerHandle body,
std::optional<mojo_base::BigBuffer> cached_metadata) override {
if (head->headers.get()->HasHeader("Ad-Auction-Signals")) {
received_ad_auction_signals_header_ = true;
}
if (head->headers.get()->HasHeader("Ad-Auction-Result")) {
received_ad_auction_result_header_ = true;
}
if (head->headers.get()->HasHeader("Ad-Auction-Additional-Bid")) {
received_ad_auction_additional_bid_header_ = true;
}
received_response_ = true;
}
void OnReceiveRedirect(const net::RedirectInfo& redirect_info,
network::mojom::URLResponseHeadPtr head) override {
if (head->headers.get()->HasHeader("Ad-Auction-Signals")) {
received_ad_auction_signals_header_ = true;
}
if (head->headers.get()->HasHeader("Ad-Auction-Result")) {
received_ad_auction_result_header_ = true;
}
if (head->headers.get()->HasHeader("Ad-Auction-Additional-Bid")) {
received_ad_auction_additional_bid_header_ = true;
}
}
void OnReceiveEarlyHints(network::mojom::EarlyHintsPtr early_hints) override {
}
void OnUploadProgress(int64_t current_position,
int64_t total_size,
base::OnceCallback<void()> callback) override {}
void OnTransferSizeUpdated(int32_t transfer_size_diff) override {}
void OnComplete(const network::URLLoaderCompletionStatus& status) override {}
bool received_response() const { return received_response_; }
bool received_ad_auction_signals_header() const {
return received_ad_auction_signals_header_;
}
bool received_ad_auction_result_header() const {
return received_ad_auction_result_header_;
}
bool received_ad_auction_additional_bid_header() const {
return received_ad_auction_additional_bid_header_;
}
private:
bool received_response_ = false;
bool received_ad_auction_result_header_ = false;
bool received_ad_auction_signals_header_ = false;
bool received_ad_auction_additional_bid_header_ = false;
mojo::Receiver<network::mojom::URLLoaderClient> receiver_{this};
};
} // namespace
class AdAuctionURLLoaderInterceptorTest : public RenderViewHostTestHarness {
public:
AdAuctionURLLoaderInterceptorTest() {
// The `kBrowsingTopics` feature is needed to create a request eligible to
// be handled via `SubresourceProxyingURLLoaderService` (i.e. sets
// browsing_topics but not ad_auction_headers).
scoped_feature_list_.InitWithFeatures(
/*enabled_features=*/{blink::features::kInterestGroupStorage,
blink::features::kFledgeBiddingAndAuctionServer,
blink::features::kAdAuctionSignals,
blink::features::kBrowsingTopics},
/*disabled_features=*/{});
}
void SetUp() override {
content::RenderViewHostTestHarness::SetUp();
original_client_ = content::SetBrowserClientForTesting(&browser_client_);
browser_client_.set_interest_group_allowed_by_settings(true);
}
void TearDown() override {
SetBrowserClientForTesting(original_client_);
subresource_proxying_url_loader_service_.reset();
content::RenderViewHostTestHarness::TearDown();
}
base::WeakPtr<SubresourceProxyingURLLoaderService::BindContext> CreateFactory(
network::TestURLLoaderFactory& proxied_url_loader_factory,
mojo::Remote<network::mojom::URLLoaderFactory>&
remote_url_loader_factory) {
if (!subresource_proxying_url_loader_service_) {
subresource_proxying_url_loader_service_ =
std::make_unique<SubresourceProxyingURLLoaderService>(
browser_context());
}
return subresource_proxying_url_loader_service_->GetFactory(
remote_url_loader_factory.BindNewPipeAndPassReceiver(),
FrameTreeNodeId(), proxied_url_loader_factory.GetSafeWeakWrapper(),
/*render_frame_host=*/nullptr,
/*prefetched_signed_exchange_cache=*/nullptr);
}
network::mojom::URLResponseHeadPtr CreateResponseHead(
const std::optional<std::string>& ad_auction_result_header_value,
const std::optional<std::string>& ad_auction_signals_header_value) {
auto head = network::mojom::URLResponseHead::New();
head->headers = base::MakeRefCounted<net::HttpResponseHeaders>("");
if (ad_auction_result_header_value) {
head->headers->AddHeader("Ad-Auction-Result",
ad_auction_result_header_value.value());
}
if (ad_auction_signals_header_value) {
head->headers->AddHeader("Ad-Auction-Signals",
ad_auction_signals_header_value.value());
}
return head;
}
network::mojom::URLResponseHeadPtr CreateResponseHeadWithAdditionalBids(
const std::vector<std::string>& ad_auction_additional_bid_header_values) {
auto head = network::mojom::URLResponseHead::New();
head->headers = base::MakeRefCounted<net::HttpResponseHeaders>("");
for (const std::string& header_value :
ad_auction_additional_bid_header_values) {
head->headers->AddHeader("Ad-Auction-Additional-Bid", header_value);
}
return head;
}
network::ResourceRequest CreateResourceRequest(const GURL& url,
bool ad_auction_headers = true,
bool browsing_topics = false) {
network::ResourceRequest request;
request.url = url;
request.ad_auction_headers = ad_auction_headers;
request.browsing_topics = browsing_topics;
return request;
}
void NavigatePage(const GURL& url) {
auto simulator =
NavigationSimulator::CreateBrowserInitiated(url, web_contents());
blink::ParsedPermissionsPolicy policy;
policy.emplace_back(
blink::mojom::PermissionsPolicyFeature::kRunAdAuction,
/*allowed_origins=*/
std::vector{*blink::OriginWithPossibleWildcards::FromOrigin(
url::Origin::Create(GURL("https://google.com"))),
*blink::OriginWithPossibleWildcards::FromOrigin(
url::Origin::Create(GURL("https://foo1.com")))},
/*self_if_matches=*/std::nullopt,
/*matches_all_origins=*/false,
/*matches_opaque_src=*/false);
simulator->SetPermissionsPolicyHeader(std::move(policy));
simulator->Commit();
}
bool WitnessedAuctionResultForOrigin(const url::Origin& origin,
const std::string& response) {
Page& page = web_contents()->GetPrimaryPage();
AdAuctionPageData* ad_auction_page_data =
PageUserData<AdAuctionPageData>::GetOrCreateForPage(page);
return ad_auction_page_data->WitnessedAuctionResultForOrigin(origin,
response);
}
const scoped_refptr<HeaderDirectFromSellerSignals::Result>
ParseAndFindAdAuctionSignals(const url::Origin& origin,
const std::string& ad_slot) {
Page& page = web_contents()->GetPrimaryPage();
AdAuctionPageData* ad_auction_page_data =
PageUserData<AdAuctionPageData>::GetOrCreateForPage(page);
scoped_refptr<HeaderDirectFromSellerSignals::Result> my_result;
base::RunLoop run_loop;
ad_auction_page_data->ParseAndFindAdAuctionSignals(
origin, ad_slot,
base::BindLambdaForTesting(
[&my_result, &run_loop](
scoped_refptr<HeaderDirectFromSellerSignals::Result> result) {
my_result = std::move(result);
run_loop.Quit();
}));
run_loop.Run();
return my_result;
}
std::vector<std::string> TakeAuctionAdditionalBidsForOriginAndNonce(
const url::Origin& origin,
const std::string& nonce) {
Page& page = web_contents()->GetPrimaryPage();
AdAuctionPageData* ad_auction_page_data =
PageUserData<AdAuctionPageData>::GetOrCreateForPage(page);
return ad_auction_page_data->TakeAuctionAdditionalBidsForOriginAndNonce(
origin, nonce);
}
protected:
data_decoder::test::InProcessDataDecoder data_decoder_;
base::test::ScopedFeatureList scoped_feature_list_;
InterceptingContentBrowserClient browser_client_;
raw_ptr<ContentBrowserClient> original_client_ = nullptr;
std::unique_ptr<SubresourceProxyingURLLoaderService>
subresource_proxying_url_loader_service_;
};
TEST_F(AdAuctionURLLoaderInterceptorTest, RequestArrivedBeforeCommit) {
NavigatePage(GURL("https://google.com"));
mojo::Remote<network::mojom::URLLoaderFactory> remote_url_loader_factory;
network::TestURLLoaderFactory proxied_url_loader_factory;
mojo::Remote<network::mojom::URLLoader> remote_loader;
mojo::PendingReceiver<network::mojom::URLLoaderClient> client;
CreateFactory(proxied_url_loader_factory, remote_url_loader_factory);
// This request arrives before commit. It is thus not eligible for ad auction
// headers.
remote_url_loader_factory->CreateLoaderAndStart(
remote_loader.BindNewPipeAndPassReceiver(),
/*request_id=*/0, /*options=*/0,
CreateResourceRequest(GURL("https://foo1.com")),
client.InitWithNewPipeAndPassRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
remote_url_loader_factory.FlushForTesting();
EXPECT_EQ(1, proxied_url_loader_factory.NumPending());
network::TestURLLoaderFactory::PendingRequest* pending_request =
&proxied_url_loader_factory.pending_requests()->back();
EXPECT_EQ(pending_request->request.headers.GetHeader("Sec-Ad-Auction-Fetch"),
std::nullopt);
pending_request->client->OnReceiveResponse(
CreateResponseHead(
/*ad_auction_result_header_value=*/kLegitimateAdAuctionResponse,
/*ad_auction_signals_header_value=*/std::nullopt),
/*body=*/{}, std::nullopt);
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(WitnessedAuctionResultForOrigin(
url::Origin::Create(GURL("https://foo1.com")),
base64Decode(kLegitimateAdAuctionResponse)));
}
TEST_F(AdAuctionURLLoaderInterceptorTest, RequestArrivedAfterCommit) {
NavigatePage(GURL("https://google.com"));
mojo::Remote<network::mojom::URLLoaderFactory> remote_url_loader_factory;
network::TestURLLoaderFactory proxied_url_loader_factory;
mojo::Remote<network::mojom::URLLoader> remote_loader;
mojo::PendingReceiver<network::mojom::URLLoaderClient> client;
base::WeakPtr<SubresourceProxyingURLLoaderService::BindContext> bind_context =
CreateFactory(proxied_url_loader_factory, remote_url_loader_factory);
bind_context->OnDidCommitNavigation(
web_contents()->GetPrimaryMainFrame()->GetWeakDocumentPtr());
// The request to `foo1.com` will add ad auction header value "?1".
remote_url_loader_factory->CreateLoaderAndStart(
remote_loader.BindNewPipeAndPassReceiver(),
/*request_id=*/0, /*options=*/0,
CreateResourceRequest(GURL("https://foo1.com")),
client.InitWithNewPipeAndPassRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
remote_url_loader_factory.FlushForTesting();
EXPECT_EQ(1, proxied_url_loader_factory.NumPending());
network::TestURLLoaderFactory::PendingRequest* pending_request =
&proxied_url_loader_factory.pending_requests()->back();
EXPECT_THAT(
pending_request->request.headers.GetHeader("Sec-Ad-Auction-Fetch"),
testing::Optional(std::string("?1")));
// The ad auction result from the response header will be stored in the page.
pending_request->client->OnReceiveResponse(
CreateResponseHead(
/*ad_auction_result_header_value=*/kLegitimateAdAuctionResponse,
/*ad_auction_signals_header_value=*/std::nullopt),
/*body=*/{}, std::nullopt);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(WitnessedAuctionResultForOrigin(
url::Origin::Create(GURL("https://foo1.com")),
base64Decode(kLegitimateAdAuctionResponse)));
}
// Make sure that if a cloned pipe is created before the commit, but is used
// after it, it still works.
TEST_F(AdAuctionURLLoaderInterceptorTest, RequestOnClonedPipeBeforeCommit) {
NavigatePage(GURL("https://google.com"));
mojo::Remote<network::mojom::URLLoaderFactory> remote_url_loader_factory;
network::TestURLLoaderFactory proxied_url_loader_factory;
mojo::Remote<network::mojom::URLLoader> remote_loader;
mojo::PendingReceiver<network::mojom::URLLoaderClient> client;
base::WeakPtr<SubresourceProxyingURLLoaderService::BindContext> bind_context =
CreateFactory(proxied_url_loader_factory, remote_url_loader_factory);
mojo::Remote<network::mojom::URLLoaderFactory>
remote_url_loader_factory_clone;
remote_url_loader_factory->Clone(
remote_url_loader_factory_clone.BindNewPipeAndPassReceiver());
// Make sure the clone actually happens before the commit.
remote_url_loader_factory.FlushForTesting();
bind_context->OnDidCommitNavigation(
web_contents()->GetPrimaryMainFrame()->GetWeakDocumentPtr());
// The request to `foo1.com` will add ad auction header value "?1".
remote_url_loader_factory_clone->CreateLoaderAndStart(
remote_loader.BindNewPipeAndPassReceiver(),
/*request_id=*/0, /*options=*/0,
CreateResourceRequest(GURL("https://foo1.com")),
client.InitWithNewPipeAndPassRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
remote_url_loader_factory_clone.FlushForTesting();
EXPECT_EQ(1, proxied_url_loader_factory.NumPending());
network::TestURLLoaderFactory::PendingRequest* pending_request =
&proxied_url_loader_factory.pending_requests()->back();
EXPECT_THAT(
pending_request->request.headers.GetHeader("Sec-Ad-Auction-Fetch"),
testing::Optional(std::string("?1")));
// The ad auction result from the response header will be stored in the page.
pending_request->client->OnReceiveResponse(
CreateResponseHead(
/*ad_auction_result_header_value=*/kLegitimateAdAuctionResponse,
/*ad_auction_signals_header_value=*/std::nullopt),
/*body=*/{}, std::nullopt);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(WitnessedAuctionResultForOrigin(
url::Origin::Create(GURL("https://foo1.com")),
base64Decode(kLegitimateAdAuctionResponse)));
}
TEST_F(AdAuctionURLLoaderInterceptorTest, RequestFromMainFrame) {
NavigatePage(GURL("https://google.com"));
mojo::Remote<network::mojom::URLLoaderFactory> remote_url_loader_factory;
network::TestURLLoaderFactory proxied_url_loader_factory;
mojo::Remote<network::mojom::URLLoader> remote_loader;
mojo::PendingReceiver<network::mojom::URLLoaderClient> client;
base::WeakPtr<SubresourceProxyingURLLoaderService::BindContext> bind_context =
CreateFactory(proxied_url_loader_factory, remote_url_loader_factory);
bind_context->OnDidCommitNavigation(
web_contents()->GetPrimaryMainFrame()->GetWeakDocumentPtr());
// The request to "foo1.com" will add the ad auction header value "?1".
remote_url_loader_factory->CreateLoaderAndStart(
remote_loader.BindNewPipeAndPassReceiver(),
/*request_id=*/0, /*options=*/0,
CreateResourceRequest(GURL("https://foo1.com")),
client.InitWithNewPipeAndPassRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
remote_url_loader_factory.FlushForTesting();
EXPECT_EQ(1, proxied_url_loader_factory.NumPending());
network::TestURLLoaderFactory::PendingRequest* pending_request =
&proxied_url_loader_factory.pending_requests()->back();
EXPECT_THAT(
pending_request->request.headers.GetHeader("Sec-Ad-Auction-Fetch"),
testing::Optional(std::string("?1")));
// The ad auction result from the response header will be stored in the page.
pending_request->client->OnReceiveResponse(
CreateResponseHead(
/*ad_auction_result_header_value=*/kLegitimateAdAuctionResponse,
/*ad_auction_signals_header_value=*/std::nullopt),
/*body=*/{}, std::nullopt);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(WitnessedAuctionResultForOrigin(
url::Origin::Create(GURL("https://foo1.com")),
base64Decode(kLegitimateAdAuctionResponse)));
}
TEST_F(AdAuctionURLLoaderInterceptorTest, RequestFromSubframe) {
NavigatePage(GURL("https://google.com"));
TestRenderFrameHost* initial_subframe = static_cast<TestRenderFrameHost*>(
content::RenderFrameHostTester::For(web_contents()->GetPrimaryMainFrame())
->AppendChild("child0"));
auto subframe_navigation = NavigationSimulator::CreateRendererInitiated(
GURL("https://google.com"), initial_subframe);
subframe_navigation->Commit();
RenderFrameHost* final_subframe =
subframe_navigation->GetFinalRenderFrameHost();
mojo::Remote<network::mojom::URLLoaderFactory> remote_url_loader_factory;
network::TestURLLoaderFactory proxied_url_loader_factory;
mojo::Remote<network::mojom::URLLoader> remote_loader;
mojo::PendingReceiver<network::mojom::URLLoaderClient> client;
base::WeakPtr<SubresourceProxyingURLLoaderService::BindContext> bind_context =
CreateFactory(proxied_url_loader_factory, remote_url_loader_factory);
bind_context->OnDidCommitNavigation(final_subframe->GetWeakDocumentPtr());
// The request to "foo1.com" will add the ad auction header value "?1".
remote_url_loader_factory->CreateLoaderAndStart(
remote_loader.BindNewPipeAndPassReceiver(),
/*request_id=*/0, /*options=*/0,
CreateResourceRequest(GURL("https://foo1.com")),
client.InitWithNewPipeAndPassRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
remote_url_loader_factory.FlushForTesting();
EXPECT_EQ(1, proxied_url_loader_factory.NumPending());
network::TestURLLoaderFactory::PendingRequest* pending_request =
&proxied_url_loader_factory.pending_requests()->back();
EXPECT_THAT(
pending_request->request.headers.GetHeader("Sec-Ad-Auction-Fetch"),
testing::Optional(std::string("?1")));
// The ad auction result from the response header will be stored in the page.
pending_request->client->OnReceiveResponse(
CreateResponseHead(
/*ad_auction_result_header_value=*/kLegitimateAdAuctionResponse,
/*ad_auction_signals_header_value=*/std::nullopt),
/*body=*/{}, std::nullopt);
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(WitnessedAuctionResultForOrigin(
url::Origin::Create(GURL("https://foo1.com")),
base64Decode(kLegitimateAdAuctionResponse)));
}
TEST_F(AdAuctionURLLoaderInterceptorTest,
RequestNotEligibleForAdAuctionHeadersDueToMissingFetchParam) {
NavigatePage(GURL("https://google.com"));
mojo::Remote<network::mojom::URLLoaderFactory> remote_url_loader_factory;
network::TestURLLoaderFactory proxied_url_loader_factory;
mojo::Remote<network::mojom::URLLoader> remote_loader;
mojo::PendingReceiver<network::mojom::URLLoaderClient> client;
base::WeakPtr<SubresourceProxyingURLLoaderService::BindContext> bind_context =
CreateFactory(proxied_url_loader_factory, remote_url_loader_factory);
bind_context->OnDidCommitNavigation(
web_contents()->GetPrimaryMainFrame()->GetWeakDocumentPtr());
// Make request to `foo1.com` that sets the `browsing_topics` but not the
// `ad_auction_headers` param, so that it's a valid request type to be proxied
// but is not eligible for ad auction headers processing.
remote_url_loader_factory->CreateLoaderAndStart(
remote_loader.BindNewPipeAndPassReceiver(),
/*request_id=*/0, /*options=*/0,
CreateResourceRequest(GURL("https://foo1.com"),
/*ad_auction_headers=*/false,
/*browsing_topics=*/true),
client.InitWithNewPipeAndPassRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
remote_url_loader_factory.FlushForTesting();
EXPECT_EQ(1, proxied_url_loader_factory.NumPending());
network::TestURLLoaderFactory::PendingRequest* pending_request =
&proxied_url_loader_factory.pending_requests()->back();
EXPECT_EQ(pending_request->request.headers.GetHeader("Sec-Ad-Auction-Fetch"),
std::nullopt);
pending_request->client->OnReceiveResponse(
CreateResponseHead(
/*ad_auction_result_header_value=*/kLegitimateAdAuctionResponse,
/*ad_auction_signals_header_value=*/kLegitimateAdAuctionSignals),
/*body=*/{}, std::nullopt);
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(WitnessedAuctionResultForOrigin(
url::Origin::Create(GURL("https://foo1.com")),
base64Decode(kLegitimateAdAuctionResponse)));
const scoped_refptr<HeaderDirectFromSellerSignals::Result> signals =
ParseAndFindAdAuctionSignals(
url::Origin::Create(GURL("https://foo1.com")), "slot1");
EXPECT_EQ(signals, nullptr);
}
TEST_F(AdAuctionURLLoaderInterceptorTest,
HasRedirect_AdAuctionResultResponseIgnored) {
NavigatePage(GURL("https://google.com"));
mojo::Remote<network::mojom::URLLoaderFactory> remote_url_loader_factory;
network::TestURLLoaderFactory proxied_url_loader_factory(
/*observe_loader_requests=*/true);
mojo::Remote<network::mojom::URLLoader> remote_loader;
mojo::PendingReceiver<network::mojom::URLLoaderClient> client;
base::WeakPtr<SubresourceProxyingURLLoaderService::BindContext> bind_context =
CreateFactory(proxied_url_loader_factory, remote_url_loader_factory);
bind_context->OnDidCommitNavigation(
web_contents()->GetPrimaryMainFrame()->GetWeakDocumentPtr());
// The request to "foo1.com" will add the ad auction header value "?1".
remote_url_loader_factory->CreateLoaderAndStart(
remote_loader.BindNewPipeAndPassReceiver(),
/*request_id=*/0, /*options=*/0,
CreateResourceRequest(GURL("https://foo1.com")),
client.InitWithNewPipeAndPassRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
remote_url_loader_factory.FlushForTesting();
EXPECT_EQ(1, proxied_url_loader_factory.NumPending());
network::TestURLLoaderFactory::PendingRequest* pending_request =
&proxied_url_loader_factory.pending_requests()->back();
EXPECT_THAT(
pending_request->request.headers.GetHeader("Sec-Ad-Auction-Fetch"),
testing::Optional(std::string("?1")));
// Redirect to `foo2.com`. The ad auction result response for the initial
// request to `foo1.com` will be ignored, and the redirect request to
// `foo2.com` is not eligible for the ad auction headers.
net::RedirectInfo redirect_info;
redirect_info.new_url = GURL("https://foo2.com");
pending_request->client->OnReceiveRedirect(
redirect_info,
CreateResponseHead(
/*ad_auction_result_header_value=*/kLegitimateAdAuctionResponse,
/*ad_auction_signals_header_value=*/std::nullopt));
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(WitnessedAuctionResultForOrigin(
url::Origin::Create(GURL("https://foo1.com")),
base64Decode(kLegitimateAdAuctionResponse)));
remote_loader->FollowRedirect(/*removed_headers=*/{},
/*modified_headers=*/{},
/*modified_cors_exempt_headers=*/{},
/*new_url=*/std::nullopt);
base::RunLoop().RunUntilIdle();
const std::vector<FollowRedirectParams>& follow_redirect_params =
pending_request->test_url_loader->follow_redirect_params();
EXPECT_EQ(follow_redirect_params.size(), 1u);
EXPECT_EQ(follow_redirect_params[0].removed_headers.size(), 1u);
EXPECT_EQ(follow_redirect_params[0].removed_headers[0],
"Sec-Ad-Auction-Fetch");
EXPECT_EQ(follow_redirect_params[0].modified_headers.GetHeader(
"Sec-Ad-Auction-Fetch"),
std::nullopt);
pending_request->client->OnReceiveResponse(
CreateResponseHead(
/*ad_auction_result_header_value=*/kLegitimateAdAuctionResponse,
/*ad_auction_signals_header_value=*/std::nullopt),
/*body=*/{}, std::nullopt);
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(WitnessedAuctionResultForOrigin(
url::Origin::Create(GURL("https://foo2.com")),
base64Decode(kLegitimateAdAuctionResponse)));
}
TEST_F(AdAuctionURLLoaderInterceptorTest, AdAuctionSignalsResponseHeader) {
NavigatePage(GURL("https://google.com"));
mojo::Remote<network::mojom::URLLoaderFactory> remote_url_loader_factory;
network::TestURLLoaderFactory proxied_url_loader_factory;
mojo::Remote<network::mojom::URLLoader> remote_loader;
TestURLLoaderClient test_client;
base::WeakPtr<SubresourceProxyingURLLoaderService::BindContext> bind_context =
CreateFactory(proxied_url_loader_factory, remote_url_loader_factory);
bind_context->OnDidCommitNavigation(
web_contents()->GetPrimaryMainFrame()->GetWeakDocumentPtr());
// The request to "foo1.com" will add the ad auction header value "?1".
remote_url_loader_factory->CreateLoaderAndStart(
remote_loader.BindNewPipeAndPassReceiver(),
/*request_id=*/0, /*options=*/0,
CreateResourceRequest(GURL("https://foo1.com")),
test_client.BindURLLoaderClientAndGetRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
remote_url_loader_factory.FlushForTesting();
EXPECT_EQ(1, proxied_url_loader_factory.NumPending());
network::TestURLLoaderFactory::PendingRequest* pending_request =
&proxied_url_loader_factory.pending_requests()->back();
EXPECT_THAT(
pending_request->request.headers.GetHeader("Sec-Ad-Auction-Fetch"),
testing::Optional(std::string("?1")));
// The ad auction signals from the response header will be stored in the page.
pending_request->client->OnReceiveResponse(
CreateResponseHead(
/*ad_auction_result_header_value=*/kLegitimateAdAuctionResponse,
/*ad_auction_signals_header_value=*/kLegitimateAdAuctionSignals),
/*body=*/{}, std::nullopt);
base::RunLoop().RunUntilIdle();
// The `Ad-Auction-Signals` header was intercepted and stored in the browser.
// It was not exposed to the original loader client. In contrast, the
// `Ad-Auction-Result` header was exposed to the original loader client.
EXPECT_TRUE(test_client.received_response());
EXPECT_TRUE(test_client.received_ad_auction_result_header());
EXPECT_FALSE(test_client.received_ad_auction_signals_header());
const scoped_refptr<HeaderDirectFromSellerSignals::Result> signals =
ParseAndFindAdAuctionSignals(
url::Origin::Create(GURL("https://foo1.com")), "slot1");
EXPECT_EQ(signals->seller_signals(), R"({"signal1":"value1"})");
}
TEST_F(AdAuctionURLLoaderInterceptorTest,
HasRedirect_AdAuctionSignalsResponseIgnored) {
NavigatePage(GURL("https://google.com"));
mojo::Remote<network::mojom::URLLoaderFactory> remote_url_loader_factory;
network::TestURLLoaderFactory proxied_url_loader_factory(
/*observe_loader_requests=*/true);
mojo::Remote<network::mojom::URLLoader> remote_loader;
TestURLLoaderClient test_client;
base::WeakPtr<SubresourceProxyingURLLoaderService::BindContext> bind_context =
CreateFactory(proxied_url_loader_factory, remote_url_loader_factory);
bind_context->OnDidCommitNavigation(
web_contents()->GetPrimaryMainFrame()->GetWeakDocumentPtr());
// The request to "foo1.com" will add the ad auction header value "?1".
remote_url_loader_factory->CreateLoaderAndStart(
remote_loader.BindNewPipeAndPassReceiver(),
/*request_id=*/0, /*options=*/0,
CreateResourceRequest(GURL("https://foo1.com")),
test_client.BindURLLoaderClientAndGetRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
remote_url_loader_factory.FlushForTesting();
EXPECT_EQ(1, proxied_url_loader_factory.NumPending());
network::TestURLLoaderFactory::PendingRequest* pending_request =
&proxied_url_loader_factory.pending_requests()->back();
EXPECT_THAT(
pending_request->request.headers.GetHeader("Sec-Ad-Auction-Fetch"),
testing::Optional(std::string("?1")));
// Redirect to `foo2.com`. The ad auction signals response for the initial
// request to `foo1.com` will be ignored, and the redirect request to
// `foo2.com` is not eligible for the ad auction headers.
net::RedirectInfo redirect_info;
redirect_info.new_url = GURL("https://foo2.com");
pending_request->client->OnReceiveRedirect(
redirect_info,
CreateResponseHead(
/*ad_auction_result_header_value=*/kLegitimateAdAuctionResponse,
/*ad_auction_signals_header_value=*/kLegitimateAdAuctionSignals));
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(WitnessedAuctionResultForOrigin(
url::Origin::Create(GURL("https://foo1.com")),
base64Decode(kLegitimateAdAuctionResponse)));
remote_loader->FollowRedirect(/*removed_headers=*/{},
/*modified_headers=*/{},
/*modified_cors_exempt_headers=*/{},
/*new_url=*/std::nullopt);
base::RunLoop().RunUntilIdle();
const std::vector<FollowRedirectParams>& follow_redirect_params =
pending_request->test_url_loader->follow_redirect_params();
EXPECT_EQ(follow_redirect_params.size(), 1u);
EXPECT_EQ(follow_redirect_params[0].removed_headers.size(), 1u);
EXPECT_EQ(follow_redirect_params[0].removed_headers[0],
"Sec-Ad-Auction-Fetch");
EXPECT_EQ(follow_redirect_params[0].modified_headers.GetHeader(
"Sec-Ad-Auction-Fetch"),
std::nullopt);
pending_request->client->OnReceiveResponse(
CreateResponseHead(
/*ad_auction_result_header_value=*/kLegitimateAdAuctionResponse,
/*ad_auction_signals_header_value=*/kLegitimateAdAuctionSignals),
/*body=*/{}, std::nullopt);
base::RunLoop().RunUntilIdle();
// The `Ad-Auction-Signals` header was ignored and not exposed to the original
// loader client.
EXPECT_TRUE(test_client.received_response());
EXPECT_TRUE(test_client.received_ad_auction_result_header());
EXPECT_FALSE(test_client.received_ad_auction_signals_header());
const scoped_refptr<HeaderDirectFromSellerSignals::Result> signals =
ParseAndFindAdAuctionSignals(
url::Origin::Create(GURL("https://foo1.com")), "slot1");
EXPECT_EQ(signals, nullptr);
}
TEST_F(AdAuctionURLLoaderInterceptorTest, AdditionalBids) {
NavigatePage(GURL("https://google.com"));
mojo::Remote<network::mojom::URLLoaderFactory> remote_url_loader_factory;
network::TestURLLoaderFactory proxied_url_loader_factory;
mojo::Remote<network::mojom::URLLoader> remote_loader;
TestURLLoaderClient test_client;
base::WeakPtr<SubresourceProxyingURLLoaderService::BindContext> bind_context =
CreateFactory(proxied_url_loader_factory, remote_url_loader_factory);
bind_context->OnDidCommitNavigation(
web_contents()->GetPrimaryMainFrame()->GetWeakDocumentPtr());
// The request to "foo1.com" will add the ad auction header value "?1".
remote_url_loader_factory->CreateLoaderAndStart(
remote_loader.BindNewPipeAndPassReceiver(),
/*request_id=*/0, /*options=*/0,
CreateResourceRequest(GURL("https://foo1.com")),
test_client.BindURLLoaderClientAndGetRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
remote_url_loader_factory.FlushForTesting();
EXPECT_EQ(1, proxied_url_loader_factory.NumPending());
network::TestURLLoaderFactory::PendingRequest* pending_request =
&proxied_url_loader_factory.pending_requests()->back();
EXPECT_THAT(
pending_request->request.headers.GetHeader("Sec-Ad-Auction-Fetch"),
testing::Optional(std::string("?1")));
pending_request->client->OnReceiveResponse(
CreateResponseHeadWithAdditionalBids(
{"00000000-0000-0000-0000-000000000000:e30=",
"00000000-0000-0000-0000-000000000001:e30=",
"00000000-0000-0000-0000-000000000001:e2E6IDF9"}),
/*body=*/{}, std::nullopt);
base::RunLoop().RunUntilIdle();
// The `Ad-Auction-Additional-Bid` header was intercepted and stored in the
// browser. It was not exposed to the original loader client.
EXPECT_TRUE(test_client.received_response());
EXPECT_FALSE(test_client.received_ad_auction_additional_bid_header());
url::Origin request_origin = url::Origin::Create(GURL("https://foo1.com"));
EXPECT_THAT(TakeAuctionAdditionalBidsForOriginAndNonce(
request_origin, "00000000-0000-0000-0000-000000000000"),
::testing::ElementsAre("e30="));
EXPECT_THAT(TakeAuctionAdditionalBidsForOriginAndNonce(
request_origin, "00000000-0000-0000-0000-000000000001"),
::testing::ElementsAre("e30=", "e2E6IDF9"));
// Future calls to `TakeAuctionAdditionalBidsForOriginAndNonce` on the same
// origin and nonce should return nothing. Ideally this should be tested
// separately as a unitest for `AdAuctionPageData`.
EXPECT_THAT(TakeAuctionAdditionalBidsForOriginAndNonce(
request_origin, "00000000-0000-0000-0000-000000000000"),
::testing::IsEmpty());
EXPECT_THAT(TakeAuctionAdditionalBidsForOriginAndNonce(
request_origin, "00000000-0000-0000-0000-000000000001"),
::testing::IsEmpty());
}
// Tests that the Ad-Auction-Additional-Bid header will be removed from the
// final response even when the request isn't eligible for ad auction.
TEST_F(
AdAuctionURLLoaderInterceptorTest,
AdAuctionDisallowedBySettings_AdditionalBidResponseHeaderNotHandledAndRemoved) {
browser_client_.set_interest_group_allowed_by_settings(false);
NavigatePage(GURL("https://google.com"));
mojo::Remote<network::mojom::URLLoaderFactory> remote_url_loader_factory;
network::TestURLLoaderFactory proxied_url_loader_factory;
mojo::Remote<network::mojom::URLLoader> remote_loader;
TestURLLoaderClient test_client;
base::WeakPtr<SubresourceProxyingURLLoaderService::BindContext> bind_context =
CreateFactory(proxied_url_loader_factory, remote_url_loader_factory);
bind_context->OnDidCommitNavigation(
web_contents()->GetPrimaryMainFrame()->GetWeakDocumentPtr());
// The request to `foo1.com` won't be eligible for ad auction.
remote_url_loader_factory->CreateLoaderAndStart(
remote_loader.BindNewPipeAndPassReceiver(),
/*request_id=*/0, /*options=*/0,
CreateResourceRequest(GURL("https://foo1.com")),
test_client.BindURLLoaderClientAndGetRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
remote_url_loader_factory.FlushForTesting();
EXPECT_EQ(1, proxied_url_loader_factory.NumPending());
network::TestURLLoaderFactory::PendingRequest* pending_request =
&proxied_url_loader_factory.pending_requests()->back();
EXPECT_EQ(pending_request->request.headers.GetHeader("Sec-Ad-Auction-Fetch"),
std::nullopt);
pending_request->client->OnReceiveResponse(
CreateResponseHeadWithAdditionalBids(
{"00000000-0000-0000-0000-000000000000:e30="}),
/*body=*/{}, std::nullopt);
base::RunLoop().RunUntilIdle();
// The `Ad-Auction-Additional-Bid` header was intercepted. It's not stored
// in the browser since the request wasn't eligible for ad auction. It was not
// exposed to the original loader client.
EXPECT_TRUE(test_client.received_response());
EXPECT_FALSE(test_client.received_ad_auction_additional_bid_header());
url::Origin request_origin = url::Origin::Create(GURL("https://foo1.com"));
EXPECT_THAT(TakeAuctionAdditionalBidsForOriginAndNonce(
request_origin, "00000000-0000-0000-0000-000000000000"),
::testing::IsEmpty());
}
TEST_F(AdAuctionURLLoaderInterceptorTest,
HasRedirect_AdditionalBidResponseHeaderIgnoredAndRemoved) {
NavigatePage(GURL("https://google.com"));
mojo::Remote<network::mojom::URLLoaderFactory> remote_url_loader_factory;
network::TestURLLoaderFactory proxied_url_loader_factory(
/*observe_loader_requests=*/true);
mojo::Remote<network::mojom::URLLoader> remote_loader;
TestURLLoaderClient test_client;
base::WeakPtr<SubresourceProxyingURLLoaderService::BindContext> bind_context =
CreateFactory(proxied_url_loader_factory, remote_url_loader_factory);
bind_context->OnDidCommitNavigation(
web_contents()->GetPrimaryMainFrame()->GetWeakDocumentPtr());
// The request to "foo1.com" will add the ad auction header value "?1".
remote_url_loader_factory->CreateLoaderAndStart(
remote_loader.BindNewPipeAndPassReceiver(),
/*request_id=*/0, /*options=*/0,
CreateResourceRequest(GURL("https://foo1.com")),
test_client.BindURLLoaderClientAndGetRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
remote_url_loader_factory.FlushForTesting();
EXPECT_EQ(1, proxied_url_loader_factory.NumPending());
network::TestURLLoaderFactory::PendingRequest* pending_request =
&proxied_url_loader_factory.pending_requests()->back();
EXPECT_THAT(
pending_request->request.headers.GetHeader("Sec-Ad-Auction-Fetch"),
testing::Optional(std::string("?1")));
// Redirect to `foo2.com`. The ad auction additional bid response for the
// initial request to `foo1.com` will be ignored, and the redirect request to
// `foo2.com` won't be eligible for the ad auction headers.
net::RedirectInfo redirect_info;
redirect_info.new_url = GURL("https://foo2.com");
pending_request->client->OnReceiveRedirect(
redirect_info, CreateResponseHeadWithAdditionalBids(
{"00000000-0000-0000-0000-000000000000:e30="}));
base::RunLoop().RunUntilIdle();
remote_loader->FollowRedirect(/*removed_headers=*/{},
/*modified_headers=*/{},
/*modified_cors_exempt_headers=*/{},
/*new_url=*/std::nullopt);
base::RunLoop().RunUntilIdle();
const std::vector<FollowRedirectParams>& follow_redirect_params =
pending_request->test_url_loader->follow_redirect_params();
EXPECT_EQ(follow_redirect_params.size(), 1u);
EXPECT_EQ(follow_redirect_params[0].removed_headers.size(), 1u);
EXPECT_EQ(follow_redirect_params[0].removed_headers[0],
"Sec-Ad-Auction-Fetch");
EXPECT_EQ(follow_redirect_params[0].modified_headers.GetHeader(
"Sec-Ad-Auction-Fetch"),
std::nullopt);
pending_request->client->OnReceiveResponse(
CreateResponseHeadWithAdditionalBids(
{"00000000-0000-0000-0000-000000000000:e30="}),
/*body=*/{}, std::nullopt);
base::RunLoop().RunUntilIdle();
// The `Ad-Auction-Additional-Bid` header was ignored and not exposed to the
// original loader client.
EXPECT_TRUE(test_client.received_response());
EXPECT_FALSE(test_client.received_ad_auction_additional_bid_header());
url::Origin request_origin = url::Origin::Create(GURL("https://foo1.com"));
EXPECT_THAT(TakeAuctionAdditionalBidsForOriginAndNonce(
request_origin, "00000000-0000-0000-0000-000000000000"),
::testing::IsEmpty());
}
} // namespace content