1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
content / browser / interest_group / auction_url_loader_factory_proxy_unittest.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 "content/browser/interest_group/auction_url_loader_factory_proxy.h"
#include <stdint.h>
#include <vector>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/ref_counted.h"
#include "base/run_loop.h"
#include "base/strings/string_number_conversions.h"
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/task_environment.h"
#include "content/browser/interest_group/auction_worklet_manager.h"
#include "content/browser/interest_group/subresource_url_builder.h"
#include "content/public/browser/render_frame_host.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "net/base/isolation_info.h"
#include "net/base/load_flags.h"
#include "net/base/network_anonymization_key.h"
#include "net/base/schemeful_site.h"
#include "net/cookies/site_for_cookies.h"
#include "net/http/http_request_headers.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/mojom/client_security_state.mojom.h"
#include "services/network/public/mojom/ip_address_space.mojom.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"
#include "services/network/test/test_url_loader_factory.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/common/interest_group/auction_config.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace content {
namespace {
using WorkletHandle = AuctionWorkletManager::WorkletHandle;
using BundleSubresourceInfo = SubresourceUrlBuilder::BundleSubresourceInfo;
const char kScriptUrl[] = "https://host.test/script";
const char kWasmUrl[] = "https://host.test/wasm";
const char kTrustedSignalsBaseUrl[] = "https://host.test/trusted_signals";
// Basic example of a trusted signals URL. Seller signals typically have URLs as
// keys, but AuctionUrlLoaderProxy doesn't currently verify that.
const char kTrustedSignalsUrl[] =
"https://host.test/trusted_signals?hostname=top.test&keys=jabberwocky";
const char kAdAuctionTrustedSignalsContentType[] =
"message/ad-auction-trusted-signals-request";
// Values for the Accept header.
const char kAcceptJavascript[] = "application/javascript";
const char kAcceptJson[] = "application/json";
const char kAcceptAdAuctionTrustedSignals[] =
"message/ad-auction-trusted-signals-response";
const char kAcceptOther[] = "binary/ocelot-stream";
const char kAcceptWasm[] = "application/wasm";
const char kBundleUrl[] = "https://host.test/bundle";
const int kRenderProcessId = 123;
// The AuctionUrlLoaerFactoryProxy doesn't care which URL is used; its users are
// responsible for setting the correct URLs for the correct proxy.
const char kSubresourceUrl1[] = "https://host.test/signals?fakeSuffix1";
const char kSubresourceUrl2[] = "https://host.test/signals?fakeSuffix2";
const char kSubresourceUrl3[] = "https://host.test/signals?fakeSuffix3";
// We don't need to actually make real WorkletHandles --
// SubresourceUrlAuthorizations only cares about the addresses of
// WorkletHandles, so we can use hard-coded pointers.
const WorkletHandle* const kWorkletHandle1 =
reinterpret_cast<const WorkletHandle*>(0xABC123);
const WorkletHandle* const kWorkletHandle2 =
reinterpret_cast<const WorkletHandle*>(0xDEF456);
BundleSubresourceInfo MakeBundleSubresourceInfo(
const std::string& bundle_url,
const std::string& subresource_url) {
blink::DirectFromSellerSignalsSubresource info_from_renderer;
info_from_renderer.bundle_url = GURL(bundle_url);
return BundleSubresourceInfo(GURL(subresource_url), info_from_renderer);
}
} // namespace
class AuctionUrlLoaderFactoryProxyTest : public testing::TestWithParam<bool> {
public:
// Ways the proxy can behave in response to a request.
enum class ExpectedResponse {
kReject,
kAllow,
};
AuctionUrlLoaderFactoryProxyTest() {
if (PermitCrossOriginTrustedSignals()) {
scoped_feature_list_.InitAndEnableFeature(
blink::features::kFledgePermitCrossOriginTrustedSignals);
} else {
scoped_feature_list_.InitAndDisableFeature(
blink::features::kFledgePermitCrossOriginTrustedSignals);
}
// Other defaults are all reasonable, but this should always be true for
// FLEDGE.
client_security_state_->is_web_secure_context = true;
}
~AuctionUrlLoaderFactoryProxyTest() override {
// This should be both set and cleared during CreateUrlLoaderFactoryProxy().
// Check that the callback passed to AuctionURLLoaderFactoryProxy's wasn't
// invoked asynchronously unexpectedly.
EXPECT_FALSE(preconnect_url_);
}
bool PermitCrossOriginTrustedSignals() const { return GetParam(); }
void CreateUrlLoaderFactoryProxy() {
// The AuctionURLLoaderFactoryProxy should only be created if there is no
// old one, or the old one's pipe was closed.
DCHECK(!remote_url_loader_factory_ ||
!remote_url_loader_factory_.is_connected());
// `preconnect_url_` should only be set by callback (sometimes) invoked by
// AuctionURLLoaderFactoryProxy's constructor, and cleared at the end of
// CreateUrlLoaderFactoryProxy(). Check that it's nullopt here to catch it
// being set unexpectedly.
EXPECT_TRUE(!preconnect_url_);
remote_url_loader_factory_.reset();
url_loader_factory_proxy_ = std::make_unique<AuctionURLLoaderFactoryProxy>(
remote_url_loader_factory_.BindNewPipeAndPassReceiver(),
base::BindRepeating(
[](network::mojom::URLLoaderFactory* factory) { return factory; },
&frame_url_loader_factory_),
base::BindRepeating(
[](network::mojom::URLLoaderFactory* factory) { return factory; },
&trusted_url_loader_factory_),
base::BindOnce(&AuctionUrlLoaderFactoryProxyTest::PreconnectSocket,
base::Unretained(this)),
base::BindRepeating(
[]() -> std::optional<std::string> { return std::nullopt; }),
base::BindRepeating([]() -> std::vector<std::string> { return {}; }),
/*force_reload=*/force_reload_, top_frame_origin_, frame_origin_,
/*renderer_process_id=*/kRenderProcessId, is_for_seller_,
client_security_state_.Clone(), GURL(kScriptUrl), wasm_url_,
trusted_signals_base_url_, needs_cors_for_additional_bid_,
/*frame_tree_node_id=*/FrameTreeNodeId());
EXPECT_EQ(preconnect_url_, trusted_signals_base_url_);
if (trusted_signals_base_url_) {
if (is_for_seller_) {
EXPECT_TRUE(preconnect_network_anonymization_key_->IsTransient());
} else {
net::SchemefulSite buyer_site{GURL(kScriptUrl)};
EXPECT_EQ(preconnect_network_anonymization_key_,
net::NetworkAnonymizationKey::CreateSameSite(buyer_site));
}
} else {
// This check is not strictly needed, since `preconnect_url_` being equal
// to `trusted_signals_base_url_`, as checked above, implies this must
// also be nullopt if `trusted_signals_base_url_` is nullopt.
EXPECT_FALSE(preconnect_network_anonymization_key_);
}
preconnect_url_ = std::nullopt;
}
void PreconnectSocket(
const GURL& url,
const net::NetworkAnonymizationKey& network_anonymization_key) {
EXPECT_TRUE(!preconnect_url_);
preconnect_url_ = url;
preconnect_network_anonymization_key_ = network_anonymization_key;
}
// Attempts to make a request for `request`.
//
// `expected_isolation_info_origin` is the expected IsolationInfo's top-frame
// and frame origins if the ResourceRequest is expected to include
// TrustedParams.
void TryMakeRequest(const network::ResourceRequest& request,
ExpectedResponse expected_response,
bool expect_bundle_request = false,
std::optional<url::Origin>
expected_isolation_info_origin = std::nullopt) {
SCOPED_TRACE(is_for_seller_);
SCOPED_TRACE(request.url);
if (!expected_isolation_info_origin) {
expected_isolation_info_origin = url::Origin::Create(request.url);
}
// Create a new factory if one has not been created yet, or the last test
// case closed the pipe.
if (!remote_url_loader_factory_ ||
!remote_url_loader_factory_.is_connected()) {
CreateUrlLoaderFactoryProxy();
}
size_t initial_num_frame_factory_requests =
frame_url_loader_factory_.pending_requests()->size();
size_t initial_num_trusted_factory_requests =
trusted_url_loader_factory_.pending_requests()->size();
// Try to send a request. Requests are never run to completion, instead,
// requests that make it to the nested URLLoaderFactories are tracked in
// their vectors of pending requests.
mojo::PendingRemote<network::mojom::URLLoader> receiver;
mojo::PendingReceiver<network::mojom::URLLoaderClient> client;
// Set a couple random options, which should be ignored.
int options = network::mojom::kURLLoadOptionSendSSLInfoWithResponse |
network::mojom::kURLLoadOptionSniffMimeType;
remote_url_loader_factory_->CreateLoaderAndStart(
receiver.InitWithNewPipeAndPassReceiver(), /*request_id=*/0, options,
request, client.InitWithNewPipeAndPassRemote(),
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS));
// Wait until requests have made it through the Mojo pipe. NumPending()
// actually spinds the message loop already, but seems best to be safe.
remote_url_loader_factory_.FlushForTesting();
bool trusted_factory_used = false;
network::TestURLLoaderFactory::PendingRequest const* pending_request;
switch (expected_response) {
case ExpectedResponse::kReject:
EXPECT_EQ(initial_num_frame_factory_requests,
frame_url_loader_factory_.pending_requests()->size());
EXPECT_EQ(initial_num_trusted_factory_requests,
trusted_url_loader_factory_.pending_requests()->size());
// Rejecting a request should result in closing the factory mojo pipe.
EXPECT_FALSE(remote_url_loader_factory_.is_connected());
return;
case ExpectedResponse::kAllow:
// There should either be a single new request in either the frame
// factory or the trusted factory, but not both.
if (frame_url_loader_factory_.pending_requests()->size() ==
initial_num_frame_factory_requests + 1) {
EXPECT_EQ(initial_num_trusted_factory_requests,
trusted_url_loader_factory_.pending_requests()->size());
pending_request =
&frame_url_loader_factory_.pending_requests()->back();
trusted_factory_used = false;
} else if (trusted_url_loader_factory_.pending_requests()->size() ==
initial_num_trusted_factory_requests + 1) {
EXPECT_EQ(initial_num_frame_factory_requests,
frame_url_loader_factory_.pending_requests()->size());
pending_request =
&trusted_url_loader_factory_.pending_requests()->back();
trusted_factory_used = true;
} else {
ADD_FAILURE() << "No new request found.";
return;
}
// Pipe should still be open.
EXPECT_TRUE(remote_url_loader_factory_.is_connected());
break;
}
// These should always be the same for all requests.
EXPECT_EQ(0u, pending_request->options);
EXPECT_EQ(
net::MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS),
pending_request->traffic_annotation);
// Each request should be assigned a unique ID. These should actually be
// unique within the browser process, not just among requests using the
// AuctionURLLoaderFactoryProxy.
for (const auto& other_pending_request :
*frame_url_loader_factory_.pending_requests()) {
if (&other_pending_request == pending_request) {
continue;
}
EXPECT_NE(other_pending_request.request_id, pending_request->request_id);
}
for (const auto& other_pending_request :
*trusted_url_loader_factory_.pending_requests()) {
if (&other_pending_request == pending_request) {
continue;
}
EXPECT_NE(other_pending_request.request_id, pending_request->request_id);
}
const auto& observed_request = pending_request->request;
if (expect_bundle_request) {
ASSERT_TRUE(observed_request.web_bundle_token_params);
EXPECT_EQ(observed_request.web_bundle_token_params->bundle_url,
GURL(kBundleUrl));
EXPECT_EQ(observed_request.web_bundle_token_params->render_process_id,
kRenderProcessId);
} else {
EXPECT_FALSE(observed_request.web_bundle_token_params);
}
// The URL should be unaltered.
EXPECT_EQ(request.url, observed_request.url);
// There should be an accept header, and it should be the same as before.
std::optional<std::string> original_accept_header =
request.headers.GetHeader(net::HttpRequestHeaders::kAccept);
ASSERT_TRUE(original_accept_header.has_value());
EXPECT_EQ(original_accept_header, observed_request.headers.GetHeader(
net::HttpRequestHeaders::kAccept));
// The accept header should be the only accept header for GET requests.
if (observed_request.method == net::HttpRequestHeaders::kGetMethod) {
EXPECT_EQ(1u, observed_request.headers.GetHeaderVector().size());
}
// The request should not include credentials and not follow redirects.
EXPECT_EQ(network::mojom::CredentialsMode::kOmit,
observed_request.credentials_mode);
EXPECT_EQ(network::mojom::RedirectMode::kError,
observed_request.redirect_mode);
// Should bypass cache when in force-reload mode.
EXPECT_EQ(force_reload_ ? net::LOAD_BYPASS_CACHE : 0,
observed_request.load_flags);
// Check method, body and content-type for POST requests.
if (request.method == net::HttpRequestHeaders::kPostMethod) {
EXPECT_EQ(observed_request.method, net::HttpRequestHeaders::kPostMethod);
EXPECT_EQ(request.request_body, observed_request.request_body);
if (request.headers.GetHeader(net::HttpRequestHeaders::kContentType)
.has_value()) {
EXPECT_EQ(
request.headers.GetHeader(net::HttpRequestHeaders::kContentType),
observed_request.headers.GetHeader(
net::HttpRequestHeaders::kContentType));
}
}
bool cross_site_enabled_trusted_signals_request =
PermitCrossOriginTrustedSignals() && !expect_bundle_request &&
(*original_accept_header == kAcceptJson ||
*original_accept_header == kAcceptAdAuctionTrustedSignals);
// The initiator should be set.
if (cross_site_enabled_trusted_signals_request) {
EXPECT_EQ(url::Origin::Create(GURL(kScriptUrl)),
observed_request.request_initiator);
} else {
EXPECT_EQ(frame_origin_, observed_request.request_initiator);
}
if (expect_bundle_request || needs_cors_for_additional_bid_ ||
cross_site_enabled_trusted_signals_request) {
EXPECT_EQ(network::mojom::RequestMode::kCors, observed_request.mode);
} else {
EXPECT_EQ(network::mojom::RequestMode::kNoCors, observed_request.mode);
}
if (is_for_seller_ || needs_cors_for_additional_bid_) {
if (original_accept_header == kAcceptJavascript ||
original_accept_header == kAcceptWasm ||
needs_cors_for_additional_bid_) {
// Seller worklet Javascript & WASM requests use the renderer's
// untrusted URLLoaderFactory, so inherit security parameters from
// there. The same happens for CORS-requiring additional bid reporting.
EXPECT_FALSE(trusted_factory_used);
EXPECT_FALSE(observed_request.trusted_params);
} else {
// Seller worklet trusted bidding signals currently use transient
// IsolationInfos. DirectFromSellerSignals uses the frame's isolation
// info, but with a trusted URLLoaderFactory (to override the
// X-FLEDGE-Auction-Only request block).
EXPECT_TRUE(trusted_factory_used);
ASSERT_TRUE(observed_request.trusted_params);
if (expect_bundle_request) {
const auto& observed_isolation_info =
observed_request.trusted_params->isolation_info;
EXPECT_EQ(expected_isolation_info_origin,
observed_isolation_info.top_frame_origin());
EXPECT_EQ(expected_isolation_info_origin,
observed_isolation_info.frame_origin());
EXPECT_TRUE(observed_isolation_info.site_for_cookies().IsNull());
} else {
EXPECT_TRUE(observed_request.trusted_params->isolation_info
.network_isolation_key()
.IsTransient());
// There should have been a preconnect in this case, with a
// NetworkAnonymizationKey that's consistent with the request's
// IsolationInfo.
EXPECT_EQ(preconnect_network_anonymization_key_,
observed_request.trusted_params->isolation_info
.network_anonymization_key());
}
EXPECT_EQ(*client_security_state_,
*observed_request.trusted_params->client_security_state);
}
} else {
// Bidder worklet requests use a trusted URLLoaderFactory, so need to set
// their own security-related parameters.
EXPECT_TRUE(trusted_factory_used);
ASSERT_TRUE(observed_request.trusted_params);
EXPECT_FALSE(observed_request.trusted_params->disable_secure_dns);
const auto& observed_isolation_info =
observed_request.trusted_params->isolation_info;
EXPECT_EQ(net::IsolationInfo::RequestType::kOther,
observed_isolation_info.request_type());
EXPECT_EQ(expected_isolation_info_origin,
observed_isolation_info.top_frame_origin());
EXPECT_EQ(expected_isolation_info_origin,
observed_isolation_info.frame_origin());
EXPECT_TRUE(observed_isolation_info.site_for_cookies().IsNull());
ASSERT_TRUE(observed_request.trusted_params->client_security_state);
EXPECT_EQ(*client_security_state_,
*observed_request.trusted_params->client_security_state);
}
}
void TryMakeRequest(const GURL& url,
std::optional<std::string> accept_value,
ExpectedResponse expected_response,
bool expect_bundle_request = false,
std::optional<url::Origin>
expected_isolation_info_origin = std::nullopt) {
SCOPED_TRACE(accept_value ? *accept_value : "No accept value");
network::ResourceRequest request;
request.url = url;
if (accept_value) {
request.headers.SetHeader(net::HttpRequestHeaders::kAccept,
*accept_value);
}
TryMakeRequest(request, expected_response, expect_bundle_request,
expected_isolation_info_origin);
}
void TryMakeRequest(const std::string& url,
std::optional<std::string> accept_value,
ExpectedResponse expected_response,
bool expect_bundle_request = false,
std::optional<url::Origin>
expected_isolation_info_origin = std::nullopt) {
TryMakeRequest(GURL(url), accept_value, expected_response,
expect_bundle_request, expected_isolation_info_origin);
}
void AuthorizeSubresourceUrls(
const AuctionWorkletManager::WorkletHandle* worklet_handle,
const std::vector<SubresourceUrlBuilder::BundleSubresourceInfo>&
authorized_subresource_urls) {
url_loader_factory_proxy_->subresource_url_authorizations()
.AuthorizeSubresourceUrls(worklet_handle, authorized_subresource_urls);
}
void OnWorkletHandleDestruction(
const AuctionWorkletManager::WorkletHandle* worklet_handle) {
url_loader_factory_proxy_->subresource_url_authorizations()
.OnWorkletHandleDestruction(worklet_handle);
}
protected:
base::test::ScopedFeatureList scoped_feature_list_;
base::test::TaskEnvironment task_environment_;
bool is_for_seller_ = false;
bool force_reload_ = false;
const network::mojom::ClientSecurityStatePtr client_security_state_ =
network::mojom::ClientSecurityState::New();
std::optional<GURL> trusted_signals_base_url_ = GURL(kTrustedSignalsBaseUrl);
std::optional<GURL> wasm_url_ = GURL(kWasmUrl);
bool needs_cors_for_additional_bid_ = false;
url::Origin top_frame_origin_ =
url::Origin::Create(GURL("https://top.test/"));
url::Origin frame_origin_ = url::Origin::Create(GURL("https://foo.test/"));
std::optional<GURL> preconnect_url_;
std::optional<net::NetworkAnonymizationKey>
preconnect_network_anonymization_key_;
network::TestURLLoaderFactory frame_url_loader_factory_;
network::TestURLLoaderFactory trusted_url_loader_factory_;
std::unique_ptr<AuctionURLLoaderFactoryProxy> url_loader_factory_proxy_;
mojo::Remote<network::mojom::URLLoaderFactory> remote_url_loader_factory_;
};
TEST_P(AuctionUrlLoaderFactoryProxyTest, Basic) {
for (bool is_for_seller : {false, true}) {
is_for_seller_ = is_for_seller;
// Force creation of a new proxy, with correct `is_for_seller` value.
remote_url_loader_factory_.reset();
CreateUrlLoaderFactoryProxy();
TryMakeRequest(kScriptUrl, kAcceptJavascript, ExpectedResponse::kAllow);
TryMakeRequest(kScriptUrl, kAcceptJson, ExpectedResponse::kReject);
TryMakeRequest(kScriptUrl, kAcceptOther, ExpectedResponse::kReject);
TryMakeRequest(kScriptUrl, kAcceptWasm, ExpectedResponse::kReject);
TryMakeRequest(kScriptUrl, std::nullopt, ExpectedResponse::kReject);
TryMakeRequest(kTrustedSignalsUrl, kAcceptJavascript,
ExpectedResponse::kReject);
TryMakeRequest(kTrustedSignalsUrl, kAcceptJson, ExpectedResponse::kAllow);
TryMakeRequest(kTrustedSignalsUrl, kAcceptOther, ExpectedResponse::kReject);
TryMakeRequest(kTrustedSignalsUrl, kAcceptWasm, ExpectedResponse::kReject);
TryMakeRequest(kTrustedSignalsUrl, std::nullopt, ExpectedResponse::kReject);
TryMakeRequest(kWasmUrl, kAcceptJavascript, ExpectedResponse::kReject);
TryMakeRequest(kWasmUrl, kAcceptJson, ExpectedResponse::kReject);
TryMakeRequest(kWasmUrl, kAcceptOther, ExpectedResponse::kReject);
TryMakeRequest(kWasmUrl, kAcceptWasm, ExpectedResponse::kAllow);
TryMakeRequest(kWasmUrl, std::nullopt, ExpectedResponse::kReject);
// Invalid GURLs are considered matches for the trusted signals URL, when
// there is one, since appending to the GURL can result in it exceeding the
// max URL size. Passing a GURL that long across Mojo results in an invalid
// GURL on the receiving side.
//
// The proxy then passes the invalid GURL the network service, which will
// fail the request. This is how things work for fetch requests for long
// GURLs as well.
TryMakeRequest(GURL(), kAcceptJavascript, ExpectedResponse::kReject);
TryMakeRequest(GURL(), kAcceptJson, ExpectedResponse::kAllow,
/*expect_bundle_request=*/false,
/*expected_isolation_info_origin=*/
url::Origin::Create(GURL(kScriptUrl)));
TryMakeRequest(GURL(), kAcceptOther, ExpectedResponse::kReject);
TryMakeRequest(GURL(), std::nullopt, ExpectedResponse::kReject);
TryMakeRequest("https://host.test/", kAcceptJavascript,
ExpectedResponse::kReject);
TryMakeRequest("https://host.test/", kAcceptJson,
ExpectedResponse::kReject);
TryMakeRequest("https://host.test/", kAcceptOther,
ExpectedResponse::kReject);
TryMakeRequest("https://host.test/", kAcceptWasm,
ExpectedResponse::kReject);
TryMakeRequest("https://host.test/", std::nullopt,
ExpectedResponse::kReject);
}
}
TEST_P(AuctionUrlLoaderFactoryProxyTest, ForceReload) {
force_reload_ = true;
// Force creation of a new proxy, with correct `force_reload` value.
remote_url_loader_factory_.reset();
CreateUrlLoaderFactoryProxy();
TryMakeRequest(kScriptUrl, kAcceptJavascript, ExpectedResponse::kAllow);
}
TEST_P(AuctionUrlLoaderFactoryProxyTest, NoWasmUrl) {
wasm_url_ = std::nullopt;
CreateUrlLoaderFactoryProxy();
TryMakeRequest(kWasmUrl, kAcceptJavascript, ExpectedResponse::kReject);
TryMakeRequest(kWasmUrl, kAcceptJson, ExpectedResponse::kReject);
TryMakeRequest(kWasmUrl, kAcceptOther, ExpectedResponse::kReject);
TryMakeRequest(kWasmUrl, kAcceptWasm, ExpectedResponse::kReject);
TryMakeRequest(kWasmUrl, std::nullopt, ExpectedResponse::kReject);
}
TEST_P(AuctionUrlLoaderFactoryProxyTest, NoTrustedSignalsUrl) {
trusted_signals_base_url_ = std::nullopt;
for (bool is_for_seller : {false, true}) {
is_for_seller_ = is_for_seller;
// Force creation of a new proxy, with correct `is_for_seller` value.
remote_url_loader_factory_.reset();
CreateUrlLoaderFactoryProxy();
TryMakeRequest(kScriptUrl, kAcceptJavascript, ExpectedResponse::kAllow);
TryMakeRequest(kScriptUrl, kAcceptJson, ExpectedResponse::kReject);
TryMakeRequest(kScriptUrl, kAcceptOther, ExpectedResponse::kReject);
TryMakeRequest(kScriptUrl, std::nullopt, ExpectedResponse::kReject);
TryMakeRequest(kTrustedSignalsUrl, kAcceptJavascript,
ExpectedResponse::kReject);
TryMakeRequest(kTrustedSignalsUrl, kAcceptJson, ExpectedResponse::kReject);
TryMakeRequest(kTrustedSignalsUrl, kAcceptOther, ExpectedResponse::kReject);
TryMakeRequest(kTrustedSignalsUrl, std::nullopt, ExpectedResponse::kReject);
// Invalid GURLs should be rejected without a `trusted_signals_base_url`,
// and no matching invalid GURL.
TryMakeRequest(GURL(), kAcceptJavascript, ExpectedResponse::kReject);
TryMakeRequest(GURL(), kAcceptJson, ExpectedResponse::kReject);
TryMakeRequest(GURL(), kAcceptOther, ExpectedResponse::kReject);
TryMakeRequest(GURL(), std::nullopt, ExpectedResponse::kReject);
TryMakeRequest(top_frame_origin_.GetURL().spec(), kAcceptJavascript,
ExpectedResponse::kReject);
TryMakeRequest(top_frame_origin_.GetURL().spec(), kAcceptJson,
ExpectedResponse::kReject);
TryMakeRequest(top_frame_origin_.GetURL().spec(), kAcceptOther,
ExpectedResponse::kReject);
TryMakeRequest(top_frame_origin_.GetURL().spec(), std::nullopt,
ExpectedResponse::kReject);
TryMakeRequest(frame_origin_.GetURL().spec(), kAcceptJavascript,
ExpectedResponse::kReject);
TryMakeRequest(frame_origin_.GetURL().spec(), kAcceptJson,
ExpectedResponse::kReject);
TryMakeRequest(frame_origin_.GetURL().spec(), kAcceptOther,
ExpectedResponse::kReject);
TryMakeRequest(frame_origin_.GetURL().spec(), std::nullopt,
ExpectedResponse::kReject);
}
}
// This test focuses on validation of the requested trusted signals URLs.
TEST_P(AuctionUrlLoaderFactoryProxyTest, TrustedSignalsUrl) {
for (bool is_for_seller : {false, true}) {
is_for_seller_ = is_for_seller;
// Force creation of a new proxy, with correct `is_for_seller` value.
remote_url_loader_factory_.reset();
CreateUrlLoaderFactoryProxy();
TryMakeRequest(
"https://host.test/trusted_signals?hostname=top.test&keys=jabberwocky",
kAcceptJson, ExpectedResponse::kAllow);
TryMakeRequest(
"https://host.test/"
"trusted_signals?hostname=top.test&keys=jabberwocky,wakkawakka",
kAcceptJson, ExpectedResponse::kAllow);
TryMakeRequest(
"https://host.test/"
"trusted_signals?hostname=top.test"
"&renderUrls=https%3A%2F%2Furl.test%2F,https%3A%2F%2Furl2.test%2F",
kAcceptJson, ExpectedResponse::kAllow);
TryMakeRequest(
"https://host.test/"
"trusted_signals?hostname=top.test"
"&componentAdRenderUrls=https%3A%2F%2Furl3.test%2F,https%3A%2F%2Furl4."
"test%2F",
kAcceptJson, ExpectedResponse::kAllow);
TryMakeRequest(
"https://host.test/"
"trusted_signals?hostname=top.test"
"&renderUrls=https%3A%2F%2Furl.test%2F,https%3A%2F%2Furl2.test%2F"
"&componentAdRenderUrls=https%3A%2F%2Furl3.test%2F,https%3A%2F%2Furl4."
"test%2F",
kAcceptJson, ExpectedResponse::kAllow);
// No query parameters.
TryMakeRequest("https://host.test/trusted_signals", kAcceptJson,
ExpectedResponse::kReject);
// Extra characters before query parameters.
TryMakeRequest(
"https://host.test/trusted_signals/foo"
"?hostname=top.test&keys=jabberwocky,wakkawakka",
kAcceptJson, ExpectedResponse::kReject);
// Wrong hostname / No hostname.
TryMakeRequest(
"https://host.test/trusted_signals?hostname=foo.test&keys=jabberwocky",
kAcceptJson, ExpectedResponse::kReject);
TryMakeRequest(
"https://host.test/trusted_signals?hostname=host.test&keys=jabberwocky",
kAcceptJson, ExpectedResponse::kReject);
TryMakeRequest("https://host.test/trusted_signals?keys=jabberwocky",
kAcceptJson, ExpectedResponse::kReject);
TryMakeRequest(
"https://host.test/"
"trusted_signals?renderUrls=https%3A%2F%2Furl.test%2F",
kAcceptJson, ExpectedResponse::kReject);
// Wrong order (should technically be ok, but it's not what the worklet
// processes actually request, so no need to accept it).
TryMakeRequest(
"https://host.test/trusted_signals?keys=jabberwocky&hostname=top.test",
kAcceptJson, ExpectedResponse::kReject);
TryMakeRequest(
"https://host.test/"
"trusted_signals?renderUrls=https%3A%2F%2Furl.test%2F&hostname=top."
"test",
kAcceptJson, ExpectedResponse::kReject);
// No other parameters.
TryMakeRequest("https://host.test/trusted_signals?hostname=top.test",
kAcceptJson, ExpectedResponse::kReject);
// Fragments.
TryMakeRequest(
"https://host.test/trusted_signals?hostname=top.test&keys=jabberwocky#",
kAcceptJson, ExpectedResponse::kReject);
TryMakeRequest(
"https://host.test/"
"trusted_signals?hostname=top.test&keys=jabberwocky#foo",
kAcceptJson, ExpectedResponse::kReject);
// Escaped #, &, and = are all allowed.
TryMakeRequest(
"https://host.test/trusted_signals?hostname=top.test&keys=%23%26%3D",
kAcceptJson, ExpectedResponse::kAllow);
// Valid Trusted Signals KVv2 POST request
network::ResourceRequest request;
request.method = net::HttpRequestHeaders::kPostMethod;
request.url = GURL(kTrustedSignalsBaseUrl);
request.headers.SetHeader(net::HttpRequestHeaders::kAccept,
kAcceptAdAuctionTrustedSignals);
request.headers.SetHeader(net::HttpRequestHeaders::kContentType,
kAdAuctionTrustedSignalsContentType);
TryMakeRequest(request, ExpectedResponse::kAllow);
// Invalid Trusted Signals KVv2 POST request with mismatched base url.
request.url = GURL("https://host.test/trusted_signals?");
TryMakeRequest(request, ExpectedResponse::kReject);
}
}
// Make sure all seller signals requests use the same transient
// NetworkAnonymizationKey.
TEST_P(AuctionUrlLoaderFactoryProxyTest, SellerSignalsNetworkIsolationKey) {
is_for_seller_ = true;
// Make 20 JSON requests, 10 with the same URL, 10 with different ones. All
// should be plumbed through successfully.
for (int i = 0; i < 10; ++i) {
TryMakeRequest(kTrustedSignalsUrl, kAcceptJson, ExpectedResponse::kAllow);
TryMakeRequest(kTrustedSignalsUrl + base::NumberToString(i), kAcceptJson,
ExpectedResponse::kAllow);
}
EXPECT_EQ(20u, trusted_url_loader_factory_.pending_requests()->size());
// Make sure all 20 requests use the same transient NetworkAnonymizationKey.
for (const auto& request : *trusted_url_loader_factory_.pending_requests()) {
ASSERT_TRUE(request.request.trusted_params);
EXPECT_TRUE(
request.request.trusted_params->isolation_info.network_isolation_key()
.IsTransient());
EXPECT_EQ(
request.request.trusted_params->isolation_info.network_isolation_key(),
(*trusted_url_loader_factory_.pending_requests())[0]
.request.trusted_params->isolation_info.network_isolation_key());
}
}
// Test the case the same URL is used for trusted signals and the script (which
// seems weird, but should still work).
TEST_P(AuctionUrlLoaderFactoryProxyTest, SameUrl) {
trusted_signals_base_url_ = GURL(kScriptUrl);
for (bool is_for_seller : {false, true}) {
is_for_seller_ = is_for_seller;
// Force creation of a new proxy, with correct `is_for_seller` value.
remote_url_loader_factory_.reset();
CreateUrlLoaderFactoryProxy();
TryMakeRequest(kScriptUrl, kAcceptJavascript, ExpectedResponse::kAllow);
TryMakeRequest(kScriptUrl, kAcceptJson, ExpectedResponse::kReject);
TryMakeRequest(kScriptUrl, kAcceptOther, ExpectedResponse::kReject);
TryMakeRequest(kScriptUrl, std::nullopt, ExpectedResponse::kReject);
std::string url_with_parameters =
std::string(kScriptUrl) + "?hostname=top.test&keys=jabberwocky";
TryMakeRequest(url_with_parameters, kAcceptJavascript,
ExpectedResponse::kReject);
TryMakeRequest(url_with_parameters, kAcceptJson, ExpectedResponse::kAllow);
TryMakeRequest(url_with_parameters, kAcceptOther,
ExpectedResponse::kReject);
TryMakeRequest(url_with_parameters, std::nullopt,
ExpectedResponse::kReject);
TryMakeRequest(kTrustedSignalsUrl, kAcceptJavascript,
ExpectedResponse::kReject);
TryMakeRequest(kTrustedSignalsUrl, kAcceptJson, ExpectedResponse::kReject);
TryMakeRequest(kTrustedSignalsUrl, kAcceptOther, ExpectedResponse::kReject);
TryMakeRequest(kTrustedSignalsUrl, std::nullopt, ExpectedResponse::kReject);
}
}
// Make sure that proxies for bidder worklets pass through ClientSecurityState.
// This test relies on the ClientSecurityState equality check in
// TryMakeRequest().
TEST_P(AuctionUrlLoaderFactoryProxyTest, ClientSecurityState) {
is_for_seller_ = false;
for (auto ip_address_space : {network::mojom::IPAddressSpace::kLocal,
network::mojom::IPAddressSpace::kPrivate,
network::mojom::IPAddressSpace::kPublic,
network::mojom::IPAddressSpace::kUnknown}) {
client_security_state_->ip_address_space = ip_address_space;
// Force creation of a new proxy, with correct `ip_address_space` value.
remote_url_loader_factory_.reset();
CreateUrlLoaderFactoryProxy();
TryMakeRequest(kScriptUrl, kAcceptJavascript, ExpectedResponse::kAllow);
TryMakeRequest(kTrustedSignalsUrl, kAcceptJson, ExpectedResponse::kAllow);
}
for (auto private_network_request_policy :
{network::mojom::PrivateNetworkRequestPolicy::kAllow,
network::mojom::PrivateNetworkRequestPolicy::kWarn,
network::mojom::PrivateNetworkRequestPolicy::kBlock,
network::mojom::PrivateNetworkRequestPolicy::kPreflightBlock,
network::mojom::PrivateNetworkRequestPolicy::kPreflightBlock}) {
client_security_state_->private_network_request_policy =
private_network_request_policy;
// Force creation of a new proxy, with correct `ip_address_space` value.
remote_url_loader_factory_.reset();
CreateUrlLoaderFactoryProxy();
TryMakeRequest(kScriptUrl, kAcceptJavascript, ExpectedResponse::kAllow);
TryMakeRequest(kTrustedSignalsUrl, kAcceptJson, ExpectedResponse::kAllow);
}
}
TEST_P(AuctionUrlLoaderFactoryProxyTest, BasicSubresourceBundles1) {
for (bool is_for_seller : {false, true}) {
is_for_seller_ = is_for_seller;
// Force creation of a new proxy, with correct `is_for_seller` value.
remote_url_loader_factory_.reset();
CreateUrlLoaderFactoryProxy();
AuthorizeSubresourceUrls(
kWorkletHandle1,
{MakeBundleSubresourceInfo(kBundleUrl, kSubresourceUrl1),
MakeBundleSubresourceInfo(kBundleUrl, kSubresourceUrl2)});
TryMakeRequest(kSubresourceUrl1, kAcceptJson, ExpectedResponse::kAllow,
/*expect_bundle_request=*/true);
TryMakeRequest(kSubresourceUrl2, kAcceptJson, ExpectedResponse::kAllow,
/*expect_bundle_request=*/true);
TryMakeRequest(kSubresourceUrl3, kAcceptJson, ExpectedResponse::kReject,
/*expect_bundle_request=*/true);
OnWorkletHandleDestruction(kWorkletHandle1);
}
}
TEST_P(AuctionUrlLoaderFactoryProxyTest, BasicSubresourceBundles2) {
for (bool is_for_seller : {false, true}) {
is_for_seller_ = is_for_seller;
// Force creation of a new proxy, with correct `is_for_seller` value.
remote_url_loader_factory_.reset();
CreateUrlLoaderFactoryProxy();
AuthorizeSubresourceUrls(
kWorkletHandle1,
{MakeBundleSubresourceInfo(kBundleUrl, kSubresourceUrl1)});
AuthorizeSubresourceUrls(
kWorkletHandle2,
{MakeBundleSubresourceInfo(kBundleUrl, kSubresourceUrl2)});
TryMakeRequest(kSubresourceUrl1, kAcceptJson, ExpectedResponse::kAllow,
/*expect_bundle_request=*/true);
TryMakeRequest(kSubresourceUrl2, kAcceptJson, ExpectedResponse::kAllow,
/*expect_bundle_request=*/true);
OnWorkletHandleDestruction(kWorkletHandle1);
TryMakeRequest(kSubresourceUrl1, kAcceptJson, ExpectedResponse::kReject,
/*expect_bundle_request=*/true);
OnWorkletHandleDestruction(kWorkletHandle2);
}
}
TEST_P(AuctionUrlLoaderFactoryProxyTest, AdditionalBidCors) {
is_for_seller_ = false;
needs_cors_for_additional_bid_ = true;
remote_url_loader_factory_.reset();
CreateUrlLoaderFactoryProxy();
TryMakeRequest(kScriptUrl, kAcceptJavascript, ExpectedResponse::kAllow);
}
INSTANTIATE_TEST_SUITE_P(
/* no label */,
AuctionUrlLoaderFactoryProxyTest,
testing::Bool());
} // namespace content