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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/network_isolation_key.h"
#include <array>
#include <optional>
#include "base/test/scoped_feature_list.h"
#include "base/unguessable_token.h"
#include "base/values.h"
#include "net/base/features.h"
#include "net/base/network_isolation_partition.h"
#include "net/base/schemeful_site.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
#include "url/url_util.h"
namespace net {
namespace {
const char kDataUrl[] = "data:text/html,<body>Hello World</body>";
TEST(NetworkIsolationKeyTest, EmptyKey) {
NetworkIsolationKey key;
EXPECT_FALSE(key.IsFullyPopulated());
EXPECT_EQ(std::nullopt, key.ToCacheKeyString());
EXPECT_TRUE(key.IsTransient());
EXPECT_EQ("null null", key.ToDebugString());
}
TEST(NetworkIsolationKeyTest, NonEmptySameSiteKey) {
SchemefulSite site1 = SchemefulSite(GURL("http://a.test/"));
NetworkIsolationKey key(site1, site1);
EXPECT_TRUE(key.IsFullyPopulated());
EXPECT_EQ(site1.Serialize() + " " + site1.Serialize(),
key.ToCacheKeyString());
EXPECT_EQ(site1.GetDebugString() + " " + site1.GetDebugString(),
key.ToDebugString());
EXPECT_FALSE(key.IsTransient());
}
TEST(NetworkIsolationKeyTest, NonEmptyCrossSiteKey) {
SchemefulSite site1 = SchemefulSite(GURL("http://a.test/"));
SchemefulSite site2 = SchemefulSite(GURL("http://b.test/"));
NetworkIsolationKey key(site1, site2);
EXPECT_TRUE(key.IsFullyPopulated());
EXPECT_EQ(site1.Serialize() + " " + site2.Serialize(),
key.ToCacheKeyString());
EXPECT_EQ(site1.GetDebugString() + " " + site2.GetDebugString(),
key.ToDebugString());
EXPECT_FALSE(key.IsTransient());
}
TEST(NetworkIsolationKeyTest, KeyWithNonce) {
SchemefulSite site1 = SchemefulSite(GURL("http://a.test/"));
SchemefulSite site2 = SchemefulSite(GURL("http://b.test/"));
base::UnguessableToken nonce = base::UnguessableToken::Create();
NetworkIsolationKey key(site1, site2, nonce);
EXPECT_TRUE(key.IsFullyPopulated());
EXPECT_EQ(std::nullopt, key.ToCacheKeyString());
EXPECT_TRUE(key.IsTransient());
EXPECT_EQ(site1.GetDebugString() + " " + site2.GetDebugString() +
" (with nonce " + nonce.ToString() + ")",
key.ToDebugString());
// Create another NetworkIsolationKey with the same input parameters, and
// check that it is equal.
NetworkIsolationKey same_key(site1, site2, nonce);
EXPECT_EQ(key, same_key);
// Create another NetworkIsolationKey with a different nonce and check that
// it's different.
base::UnguessableToken nonce2 = base::UnguessableToken::Create();
NetworkIsolationKey key2(site1, site2, nonce2);
EXPECT_NE(key, key2);
EXPECT_NE(key.ToDebugString(), key2.ToDebugString());
}
TEST(NetworkIsolationKeyTest, KeyWithNonGeneralNetworkPartition) {
SchemefulSite site1 = SchemefulSite(GURL("http://a.test/"));
SchemefulSite site2 = SchemefulSite(GURL("http://b.test/"));
NetworkIsolationKey key(
site1, site2, /*nonce=*/std::nullopt,
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
EXPECT_TRUE(key.IsFullyPopulated());
EXPECT_EQ(NetworkIsolationPartition::kProtectedAudienceSellerWorklet,
key.GetNetworkIsolationPartition());
EXPECT_EQ(site1.Serialize() + " " + site2.Serialize() + " 1",
key.ToCacheKeyString());
EXPECT_FALSE(key.IsTransient());
EXPECT_EQ(site1.GetDebugString() + " " + site2.GetDebugString() +
" (protected audience seller worklet partition)",
key.ToDebugString());
EXPECT_EQ(site1.Serialize() + " " + site2.Serialize() + " 1",
key.ToCacheKeyString());
// Create another NetworkIsolationKey with the same input parameters, and
// check that it is equal.
NetworkIsolationKey same_key(
site1, site2, /*nonce=*/std::nullopt,
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
EXPECT_EQ(NetworkIsolationPartition::kProtectedAudienceSellerWorklet,
same_key.GetNetworkIsolationPartition());
EXPECT_EQ(key, same_key);
EXPECT_EQ(key.ToCacheKeyString(), same_key.ToCacheKeyString());
EXPECT_EQ(key.ToDebugString(), same_key.ToDebugString());
// Create another NetworkIsolationKey with a different
// NetworkIsolationPartition and check that it's different.
NetworkIsolationKey key2(site1, site2, /*nonce=*/std::nullopt,
NetworkIsolationPartition::kGeneral);
EXPECT_EQ(NetworkIsolationPartition::kGeneral,
key2.GetNetworkIsolationPartition());
EXPECT_NE(key, key2);
EXPECT_NE(key.ToCacheKeyString(), key2.ToCacheKeyString());
EXPECT_NE(key.ToDebugString(), key2.ToDebugString());
// Make sure if a nonce is included in addition to a
// non-general NetworkPartition, the NIK is transient.
auto nonce = base::UnguessableToken::Create();
NetworkIsolationKey key3(
site1, site2, /*nonce=*/nonce,
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
EXPECT_TRUE(key3.IsTransient());
// Make sure if there's an opaque origin, the NIK is still transient.
NetworkIsolationKey key4(
site1, SchemefulSite(GURL(kDataUrl)), /*nonce=*/std::nullopt,
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
EXPECT_TRUE(key4.IsTransient());
}
TEST(NetworkIsolationKeyTest, OpaqueOriginKey) {
SchemefulSite site_data = SchemefulSite(GURL(kDataUrl));
NetworkIsolationKey key(site_data, site_data);
EXPECT_TRUE(key.IsFullyPopulated());
EXPECT_EQ(std::nullopt, key.ToCacheKeyString());
EXPECT_TRUE(key.IsTransient());
EXPECT_EQ(site_data.GetDebugString() + " " + site_data.GetDebugString(),
key.ToDebugString());
// Create another site with an opaque origin, and make sure it's different and
// has a different debug string.
SchemefulSite other_site = SchemefulSite(GURL(kDataUrl));
NetworkIsolationKey other_key(other_site, other_site);
EXPECT_NE(key, other_key);
EXPECT_NE(key.ToDebugString(), other_key.ToDebugString());
EXPECT_EQ(other_site.GetDebugString() + " " + other_site.GetDebugString(),
other_key.ToDebugString());
}
TEST(NetworkIsolationKeyTest, OpaqueOriginTopLevelSiteKey) {
SchemefulSite site1 = SchemefulSite(GURL("http://a.test/"));
SchemefulSite site_data = SchemefulSite(GURL(kDataUrl));
NetworkIsolationKey key(site_data, site1);
EXPECT_TRUE(key.IsFullyPopulated());
EXPECT_EQ(std::nullopt, key.ToCacheKeyString());
EXPECT_TRUE(key.IsTransient());
EXPECT_EQ(site_data.GetDebugString() + " " + site1.GetDebugString(),
key.ToDebugString());
// Create another site with an opaque origin, and make sure it's different and
// has a different debug string.
SchemefulSite other_site = SchemefulSite(GURL(kDataUrl));
NetworkIsolationKey other_key(other_site, site1);
EXPECT_NE(key, other_key);
EXPECT_NE(key.ToDebugString(), other_key.ToDebugString());
EXPECT_EQ(other_site.GetDebugString() + " " + site1.GetDebugString(),
other_key.ToDebugString());
}
TEST(NetworkIsolationKeyTest, OpaqueOriginIframeKey) {
SchemefulSite site1 = SchemefulSite(GURL("http://a.test/"));
SchemefulSite site_data = SchemefulSite(GURL(kDataUrl));
NetworkIsolationKey key(site1, site_data);
EXPECT_TRUE(key.IsFullyPopulated());
EXPECT_EQ(std::nullopt, key.ToCacheKeyString());
EXPECT_TRUE(key.IsTransient());
EXPECT_EQ(site1.GetDebugString() + " " + site_data.GetDebugString(),
key.ToDebugString());
// Create another site with an opaque origin iframe, and make sure it's
// different and has a different debug string when the frame site is in use.
SchemefulSite other_site = SchemefulSite(GURL(kDataUrl));
NetworkIsolationKey other_key(site1, other_site);
EXPECT_NE(key, other_key);
EXPECT_NE(key.ToDebugString(), other_key.ToDebugString());
EXPECT_EQ(site1.GetDebugString() + " " + other_site.GetDebugString(),
other_key.ToDebugString());
}
TEST(NetworkIsolationKeyTest, Operators) {
base::UnguessableToken nonce1 = base::UnguessableToken::Create();
base::UnguessableToken nonce2 = base::UnguessableToken::Create();
if (nonce2 < nonce1)
std::swap(nonce1, nonce2);
// These are in ascending order.
const auto kKeys = std::to_array<NetworkIsolationKey>({
NetworkIsolationKey(),
// Site with unique origins are still sorted by scheme, so data is before
// file, and file before http.
NetworkIsolationKey(SchemefulSite(GURL(kDataUrl)),
SchemefulSite(GURL(kDataUrl))),
NetworkIsolationKey(SchemefulSite(GURL("file:///foo")),
SchemefulSite(GURL("file:///foo"))),
NetworkIsolationKey(SchemefulSite(GURL("http://a.test/")),
SchemefulSite(GURL("http://a.test/"))),
NetworkIsolationKey(SchemefulSite(GURL("http://b.test/")),
SchemefulSite(GURL("http://b.test/"))),
NetworkIsolationKey(SchemefulSite(GURL("https://a.test/")),
SchemefulSite(GURL("https://a.test/")),
/*nonce=*/std::nullopt,
NetworkIsolationPartition::kGeneral),
NetworkIsolationKey(
SchemefulSite(GURL("https://a.test/")),
SchemefulSite(GURL("https://a.test/")), /*nonce=*/std::nullopt,
NetworkIsolationPartition::kProtectedAudienceSellerWorklet),
NetworkIsolationKey(SchemefulSite(GURL("https://a.test/")),
SchemefulSite(GURL("https://a.test/")), nonce1),
NetworkIsolationKey(SchemefulSite(GURL("https://a.test/")),
SchemefulSite(GURL("https://a.test/")), nonce2),
});
for (size_t first = 0; first < std::size(kKeys); ++first) {
NetworkIsolationKey key1 = kKeys[first];
SCOPED_TRACE(key1.ToDebugString());
EXPECT_TRUE(key1 == key1);
EXPECT_FALSE(key1 != key1);
EXPECT_FALSE(key1 < key1);
// Make sure that copying a key doesn't change the results of any operation.
// This check is a bit more interesting with unique origins.
NetworkIsolationKey key1_copy = key1;
EXPECT_TRUE(key1 == key1_copy);
EXPECT_FALSE(key1 < key1_copy);
EXPECT_FALSE(key1_copy < key1);
for (size_t second = first + 1; second < std::size(kKeys); ++second) {
NetworkIsolationKey key2 = kKeys[second];
SCOPED_TRACE(key2.ToDebugString());
EXPECT_TRUE(key1 < key2);
EXPECT_FALSE(key2 < key1);
EXPECT_FALSE(key1 == key2);
EXPECT_FALSE(key2 == key1);
}
}
}
TEST(NetworkIsolationKeyTest, UniqueOriginOperators) {
const auto kSite1 = SchemefulSite(GURL(kDataUrl));
const auto kSite2 = SchemefulSite(GURL(kDataUrl));
NetworkIsolationKey key1(kSite1, kSite1);
NetworkIsolationKey key2(kSite2, kSite2);
EXPECT_TRUE(key1 == key1);
EXPECT_TRUE(key2 == key2);
// Creating copies shouldn't affect comparison result.
EXPECT_TRUE(NetworkIsolationKey(key1) == NetworkIsolationKey(key1));
EXPECT_TRUE(NetworkIsolationKey(key2) == NetworkIsolationKey(key2));
EXPECT_FALSE(key1 == key2);
EXPECT_FALSE(key2 == key1);
// Order of Nonces isn't predictable, but they should have an ordering.
EXPECT_TRUE(key1 < key2 || key2 < key1);
EXPECT_TRUE(!(key1 < key2) || !(key2 < key1));
}
TEST(NetworkIsolationKeyTest, OpaqueSiteKeyBoth) {
SchemefulSite site_data_1 = SchemefulSite(GURL(kDataUrl));
SchemefulSite site_data_2 = SchemefulSite(GURL(kDataUrl));
SchemefulSite site_data_3 = SchemefulSite(GURL(kDataUrl));
NetworkIsolationKey key1(site_data_1, site_data_2);
NetworkIsolationKey key2(site_data_1, site_data_2);
NetworkIsolationKey key3(site_data_1, site_data_3);
// All the keys should be fully populated and transient.
EXPECT_TRUE(key1.IsFullyPopulated());
EXPECT_TRUE(key2.IsFullyPopulated());
EXPECT_TRUE(key3.IsFullyPopulated());
EXPECT_TRUE(key1.IsTransient());
EXPECT_TRUE(key2.IsTransient());
EXPECT_TRUE(key3.IsTransient());
// Test the equality/comparisons of the various keys
EXPECT_TRUE(key1 == key2);
EXPECT_FALSE(key1 < key2 || key2 < key1);
EXPECT_FALSE(key1 == key3);
EXPECT_TRUE(key1 < key3 || key3 < key1);
EXPECT_NE(key1.ToDebugString(), key3.ToDebugString());
// Test the ToString and ToDebugString
EXPECT_EQ(key1.ToDebugString(), key2.ToDebugString());
EXPECT_EQ(std::nullopt, key1.ToCacheKeyString());
EXPECT_EQ(std::nullopt, key2.ToCacheKeyString());
EXPECT_EQ(std::nullopt, key3.ToCacheKeyString());
}
// Make sure that the logic to extract the registerable domain from an origin
// does not affect the host when using a non-standard scheme.
TEST(NetworkIsolationKeyTest, NonStandardScheme) {
// Have to register the scheme, or SchemefulSite() will return an opaque
// origin.
url::ScopedSchemeRegistryForTests scoped_registry;
url::AddStandardScheme("foo", url::SCHEME_WITH_HOST);
SchemefulSite site = SchemefulSite(GURL("foo://a.foo.com"));
NetworkIsolationKey key(site, site);
EXPECT_FALSE(key.GetTopFrameSite()->opaque());
EXPECT_EQ("foo://a.foo.com foo://a.foo.com", key.ToCacheKeyString());
}
TEST(NetworkIsolationKeyTest, CreateWithNewFrameSite) {
SchemefulSite site_a = SchemefulSite(GURL("http://a.com"));
SchemefulSite site_b = SchemefulSite(GURL("http://b.com"));
SchemefulSite site_c = SchemefulSite(GURL("http://c.com"));
NetworkIsolationKey key(site_a, site_b);
NetworkIsolationKey key_c = key.CreateWithNewFrameSite(site_c);
EXPECT_EQ(site_c, key_c.GetFrameSiteForTesting());
EXPECT_NE(key_c, key);
EXPECT_EQ(site_a, key_c.GetTopFrameSite());
// Ensure that `CreateWithNewFrameSite()` preserves the nonce if one exists.
base::UnguessableToken nonce = base::UnguessableToken::Create();
NetworkIsolationKey key_with_nonce(site_a, site_b, nonce);
NetworkIsolationKey key_with_nonce_c =
key_with_nonce.CreateWithNewFrameSite(site_c);
EXPECT_EQ(key_with_nonce.GetNonce(), key_with_nonce_c.GetNonce());
EXPECT_TRUE(key_with_nonce_c.IsTransient());
// Ensure that `CreateWithNewFrameSite()` preserves the
// NetworkIsolationPartition.
NetworkIsolationKey key_with_partition(
site_a, site_b, /*nonce=*/std::nullopt,
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
NetworkIsolationKey key_with_partition_c =
key_with_partition.CreateWithNewFrameSite(site_c);
EXPECT_EQ(key_with_partition.GetNetworkIsolationPartition(),
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
EXPECT_EQ(key_with_partition.GetNetworkIsolationPartition(),
key_with_partition_c.GetNetworkIsolationPartition());
}
TEST(NetworkIsolationKeyTest, CreateTransientForTesting) {
NetworkIsolationKey transient_key =
NetworkIsolationKey::CreateTransientForTesting();
EXPECT_TRUE(transient_key.IsFullyPopulated());
EXPECT_TRUE(transient_key.IsTransient());
EXPECT_FALSE(transient_key.IsEmpty());
EXPECT_EQ(transient_key, transient_key);
// Make sure that subsequent calls don't return the same NIK.
for (int i = 0; i < 1000; ++i) {
EXPECT_NE(transient_key, NetworkIsolationKey::CreateTransientForTesting());
}
}
} // namespace
} // namespace net
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