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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/feature_policy/feature_policy.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
#include "url/origin.h"
// Origin strings used for tests
#define ORIGIN_A "https://example.com/"
#define ORIGIN_B "https://example.net/"
#define ORIGIN_C "https://example.org/"
class GURL;
namespace blink {
namespace {
const char* const kValidPolicies[] = {
"", // An empty policy.
" ", // An empty policy.
";;", // Empty policies.
",,", // Empty policies.
" ; ;", // Empty policies.
" , ,", // Empty policies.
",;,", // Empty policies.
"geolocation 'none'",
"geolocation 'self'",
"geolocation 'src'", // Only valid for iframe allow attribute.
"geolocation", // Only valid for iframe allow attribute.
"geolocation; fullscreen; payment",
"geolocation *",
"geolocation " ORIGIN_A "",
"geolocation " ORIGIN_B "",
"geolocation " ORIGIN_A " " ORIGIN_B "",
"geolocation 'none' " ORIGIN_A " " ORIGIN_B "",
"geolocation " ORIGIN_A " 'none' " ORIGIN_B "",
"geolocation 'none' 'none' 'none'",
"geolocation " ORIGIN_A " *",
"fullscreen " ORIGIN_A "; payment 'self'",
"fullscreen " ORIGIN_A "; payment *, geolocation 'self'"};
const char* const kInvalidPolicies[] = {
"badfeaturename",
"badfeaturename 'self'",
"1.0",
"geolocation data://badorigin",
"geolocation https://bad;origin",
"geolocation https:/bad,origin",
"geolocation https://example.com, https://a.com",
"geolocation *, payment data://badorigin",
"geolocation ws://xn--fd\xbcwsw3taaaaaBaa333aBBBBBBJBBJBBBt"};
} // namespace
class FeaturePolicyParserTest : public testing::Test {
protected:
FeaturePolicyParserTest() = default;
~FeaturePolicyParserTest() override = default;
scoped_refptr<const SecurityOrigin> origin_a_ =
SecurityOrigin::CreateFromString(ORIGIN_A);
scoped_refptr<const SecurityOrigin> origin_b_ =
SecurityOrigin::CreateFromString(ORIGIN_B);
scoped_refptr<const SecurityOrigin> origin_c_ =
SecurityOrigin::CreateFromString(ORIGIN_C);
url::Origin expected_url_origin_a_ = url::Origin::Create(GURL(ORIGIN_A));
url::Origin expected_url_origin_b_ = url::Origin::Create(GURL(ORIGIN_B));
url::Origin expected_url_origin_c_ = url::Origin::Create(GURL(ORIGIN_C));
const FeatureNameMap test_feature_name_map = {
{"fullscreen", blink::mojom::FeaturePolicyFeature::kFullscreen},
{"payment", blink::mojom::FeaturePolicyFeature::kPayment},
{"geolocation", blink::mojom::FeaturePolicyFeature::kGeolocation}};
};
TEST_F(FeaturePolicyParserTest, ParseValidPolicy) {
Vector<String> messages;
for (const char* policy_string : kValidPolicies) {
messages.clear();
ParseFeaturePolicy(policy_string, origin_a_.get(), origin_b_.get(),
&messages, test_feature_name_map);
EXPECT_EQ(0UL, messages.size());
}
}
TEST_F(FeaturePolicyParserTest, ParseInvalidPolicy) {
Vector<String> messages;
for (const char* policy_string : kInvalidPolicies) {
messages.clear();
ParseFeaturePolicy(policy_string, origin_a_.get(), origin_b_.get(),
&messages, test_feature_name_map);
EXPECT_NE(0UL, messages.size());
}
}
TEST_F(FeaturePolicyParserTest, PolicyParsedCorrectly) {
Vector<String> messages;
// Empty policy.
ParsedFeaturePolicy parsed_policy = ParseFeaturePolicy(
"", origin_a_.get(), origin_b_.get(), &messages, test_feature_name_map);
EXPECT_EQ(0UL, parsed_policy.size());
// Simple policy with 'self'.
parsed_policy =
ParseFeaturePolicy("geolocation 'self'", origin_a_.get(), origin_b_.get(),
&messages, test_feature_name_map);
EXPECT_EQ(1UL, parsed_policy.size());
EXPECT_EQ(mojom::FeaturePolicyFeature::kGeolocation,
parsed_policy[0].feature);
EXPECT_FALSE(parsed_policy[0].matches_all_origins);
EXPECT_FALSE(parsed_policy[0].matches_opaque_src);
EXPECT_EQ(1UL, parsed_policy[0].origins.size());
EXPECT_TRUE(
parsed_policy[0].origins[0].IsSameOriginWith(expected_url_origin_a_));
// Simple policy with *.
parsed_policy =
ParseFeaturePolicy("geolocation *", origin_a_.get(), origin_b_.get(),
&messages, test_feature_name_map);
EXPECT_EQ(1UL, parsed_policy.size());
EXPECT_EQ(mojom::FeaturePolicyFeature::kGeolocation,
parsed_policy[0].feature);
EXPECT_TRUE(parsed_policy[0].matches_all_origins);
EXPECT_FALSE(parsed_policy[0].matches_opaque_src);
EXPECT_EQ(0UL, parsed_policy[0].origins.size());
// Complicated policy.
parsed_policy = ParseFeaturePolicy(
"geolocation *; "
"fullscreen https://example.net https://example.org; "
"payment 'self'",
origin_a_.get(), origin_b_.get(), &messages, test_feature_name_map);
EXPECT_EQ(3UL, parsed_policy.size());
EXPECT_EQ(mojom::FeaturePolicyFeature::kGeolocation,
parsed_policy[0].feature);
EXPECT_TRUE(parsed_policy[0].matches_all_origins);
EXPECT_FALSE(parsed_policy[0].matches_opaque_src);
EXPECT_EQ(0UL, parsed_policy[0].origins.size());
EXPECT_EQ(mojom::FeaturePolicyFeature::kFullscreen, parsed_policy[1].feature);
EXPECT_FALSE(parsed_policy[1].matches_all_origins);
EXPECT_FALSE(parsed_policy[1].matches_opaque_src);
EXPECT_EQ(2UL, parsed_policy[1].origins.size());
EXPECT_TRUE(
parsed_policy[1].origins[0].IsSameOriginWith(expected_url_origin_b_));
EXPECT_TRUE(
parsed_policy[1].origins[1].IsSameOriginWith(expected_url_origin_c_));
EXPECT_EQ(mojom::FeaturePolicyFeature::kPayment, parsed_policy[2].feature);
EXPECT_FALSE(parsed_policy[2].matches_all_origins);
EXPECT_FALSE(parsed_policy[2].matches_opaque_src);
EXPECT_EQ(1UL, parsed_policy[2].origins.size());
EXPECT_TRUE(
parsed_policy[2].origins[0].IsSameOriginWith(expected_url_origin_a_));
// Multiple policies.
parsed_policy = ParseFeaturePolicy(
"geolocation * https://example.net; "
"fullscreen https://example.net none https://example.org,"
"payment 'self' badorigin",
origin_a_.get(), origin_b_.get(), &messages, test_feature_name_map);
EXPECT_EQ(3UL, parsed_policy.size());
EXPECT_EQ(mojom::FeaturePolicyFeature::kGeolocation,
parsed_policy[0].feature);
EXPECT_TRUE(parsed_policy[0].matches_all_origins);
EXPECT_FALSE(parsed_policy[0].matches_opaque_src);
EXPECT_EQ(0UL, parsed_policy[0].origins.size());
EXPECT_EQ(mojom::FeaturePolicyFeature::kFullscreen, parsed_policy[1].feature);
EXPECT_FALSE(parsed_policy[1].matches_all_origins);
EXPECT_FALSE(parsed_policy[1].matches_opaque_src);
EXPECT_EQ(2UL, parsed_policy[1].origins.size());
EXPECT_TRUE(
parsed_policy[1].origins[0].IsSameOriginWith(expected_url_origin_b_));
EXPECT_TRUE(
parsed_policy[1].origins[1].IsSameOriginWith(expected_url_origin_c_));
EXPECT_EQ(mojom::FeaturePolicyFeature::kPayment, parsed_policy[2].feature);
EXPECT_FALSE(parsed_policy[2].matches_all_origins);
EXPECT_FALSE(parsed_policy[2].matches_opaque_src);
EXPECT_EQ(1UL, parsed_policy[2].origins.size());
EXPECT_TRUE(
parsed_policy[2].origins[0].IsSameOriginWith(expected_url_origin_a_));
// Header policies with no optional origin lists.
parsed_policy =
ParseFeaturePolicy("geolocation;fullscreen;payment", origin_a_.get(),
nullptr, &messages, test_feature_name_map);
EXPECT_EQ(3UL, parsed_policy.size());
EXPECT_EQ(mojom::FeaturePolicyFeature::kGeolocation,
parsed_policy[0].feature);
EXPECT_FALSE(parsed_policy[0].matches_all_origins);
EXPECT_FALSE(parsed_policy[0].matches_opaque_src);
EXPECT_EQ(1UL, parsed_policy[0].origins.size());
EXPECT_TRUE(
parsed_policy[0].origins[0].IsSameOriginWith(expected_url_origin_a_));
EXPECT_EQ(mojom::FeaturePolicyFeature::kFullscreen, parsed_policy[1].feature);
EXPECT_FALSE(parsed_policy[1].matches_all_origins);
EXPECT_FALSE(parsed_policy[1].matches_opaque_src);
EXPECT_EQ(1UL, parsed_policy[1].origins.size());
EXPECT_TRUE(
parsed_policy[1].origins[0].IsSameOriginWith(expected_url_origin_a_));
EXPECT_EQ(mojom::FeaturePolicyFeature::kPayment, parsed_policy[2].feature);
EXPECT_FALSE(parsed_policy[2].matches_all_origins);
EXPECT_FALSE(parsed_policy[2].matches_opaque_src);
EXPECT_EQ(1UL, parsed_policy[2].origins.size());
EXPECT_TRUE(
parsed_policy[2].origins[0].IsSameOriginWith(expected_url_origin_a_));
}
TEST_F(FeaturePolicyParserTest, PolicyParsedCorrectlyForOpaqueOrigins) {
Vector<String> messages;
scoped_refptr<SecurityOrigin> opaque_origin =
SecurityOrigin::CreateUniqueOpaque();
// Empty policy.
ParsedFeaturePolicy parsed_policy =
ParseFeaturePolicy("", origin_a_.get(), opaque_origin.get(), &messages,
test_feature_name_map);
EXPECT_EQ(0UL, parsed_policy.size());
// Simple policy.
parsed_policy =
ParseFeaturePolicy("geolocation", origin_a_.get(), opaque_origin.get(),
&messages, test_feature_name_map);
EXPECT_EQ(1UL, parsed_policy.size());
EXPECT_EQ(mojom::FeaturePolicyFeature::kGeolocation,
parsed_policy[0].feature);
EXPECT_FALSE(parsed_policy[0].matches_all_origins);
EXPECT_TRUE(parsed_policy[0].matches_opaque_src);
EXPECT_EQ(0UL, parsed_policy[0].origins.size());
// Simple policy with 'src'.
parsed_policy =
ParseFeaturePolicy("geolocation 'src'", origin_a_.get(),
opaque_origin.get(), &messages, test_feature_name_map);
EXPECT_EQ(1UL, parsed_policy.size());
EXPECT_EQ(mojom::FeaturePolicyFeature::kGeolocation,
parsed_policy[0].feature);
EXPECT_FALSE(parsed_policy[0].matches_all_origins);
EXPECT_TRUE(parsed_policy[0].matches_opaque_src);
EXPECT_EQ(0UL, parsed_policy[0].origins.size());
// Simple policy with *.
parsed_policy =
ParseFeaturePolicy("geolocation *", origin_a_.get(), opaque_origin.get(),
&messages, test_feature_name_map);
EXPECT_EQ(1UL, parsed_policy.size());
EXPECT_EQ(mojom::FeaturePolicyFeature::kGeolocation,
parsed_policy[0].feature);
EXPECT_TRUE(parsed_policy[0].matches_all_origins);
EXPECT_FALSE(parsed_policy[0].matches_opaque_src);
EXPECT_EQ(0UL, parsed_policy[0].origins.size());
// Policy with explicit origins
parsed_policy = ParseFeaturePolicy(
"geolocation https://example.net https://example.org", origin_a_.get(),
opaque_origin.get(), &messages, test_feature_name_map);
EXPECT_EQ(1UL, parsed_policy.size());
EXPECT_EQ(mojom::FeaturePolicyFeature::kGeolocation,
parsed_policy[0].feature);
EXPECT_FALSE(parsed_policy[0].matches_all_origins);
EXPECT_FALSE(parsed_policy[0].matches_opaque_src);
EXPECT_EQ(2UL, parsed_policy[0].origins.size());
EXPECT_TRUE(
parsed_policy[0].origins[0].IsSameOriginWith(expected_url_origin_b_));
EXPECT_TRUE(
parsed_policy[0].origins[1].IsSameOriginWith(expected_url_origin_c_));
// Policy with multiple origins, including 'src'.
parsed_policy = ParseFeaturePolicy("geolocation https://example.net 'src'",
origin_a_.get(), opaque_origin.get(),
&messages, test_feature_name_map);
EXPECT_EQ(1UL, parsed_policy.size());
EXPECT_EQ(mojom::FeaturePolicyFeature::kGeolocation,
parsed_policy[0].feature);
EXPECT_FALSE(parsed_policy[0].matches_all_origins);
EXPECT_TRUE(parsed_policy[0].matches_opaque_src);
EXPECT_EQ(1UL, parsed_policy[0].origins.size());
EXPECT_TRUE(
parsed_policy[0].origins[0].IsSameOriginWith(expected_url_origin_b_));
}
// Test policy mutation methods
class FeaturePolicyMutationTest : public testing::Test {
protected:
FeaturePolicyMutationTest() = default;
~FeaturePolicyMutationTest() override = default;
url::Origin url_origin_a_ = url::Origin::Create(GURL(ORIGIN_A));
url::Origin url_origin_b_ = url::Origin::Create(GURL(ORIGIN_B));
url::Origin url_origin_c_ = url::Origin::Create(GURL(ORIGIN_C));
// Returns true if the policy contains a declaration for the feature which
// allows it in all origins.
bool IsFeatureAllowedEverywhere(mojom::FeaturePolicyFeature feature,
const ParsedFeaturePolicy& policy) {
const auto& result = std::find_if(policy.begin(), policy.end(),
[feature](const auto& declaration) {
return declaration.feature == feature;
});
if (result == policy.end())
return false;
return result->feature == feature && result->matches_all_origins &&
result->matches_opaque_src && result->origins.empty();
}
// Returns true if the policy contains a declaration for the feature which
// disallows it in all origins.
bool IsFeatureDisallowedEverywhere(mojom::FeaturePolicyFeature feature,
const ParsedFeaturePolicy& policy) {
const auto& result = std::find_if(policy.begin(), policy.end(),
[feature](const auto& declaration) {
return declaration.feature == feature;
});
if (result == policy.end())
return false;
return result->feature == feature && !result->matches_all_origins &&
!result->matches_opaque_src && result->origins.empty();
}
ParsedFeaturePolicy test_policy = {{mojom::FeaturePolicyFeature::kFullscreen,
false,
false,
{url_origin_a_, url_origin_b_}},
{mojom::FeaturePolicyFeature::kGeolocation,
false,
false,
{url_origin_a_}}};
ParsedFeaturePolicy empty_policy = {};
};
TEST_F(FeaturePolicyMutationTest, TestIsFeatureDeclared) {
EXPECT_TRUE(
IsFeatureDeclared(mojom::FeaturePolicyFeature::kFullscreen, test_policy));
EXPECT_TRUE(IsFeatureDeclared(mojom::FeaturePolicyFeature::kGeolocation,
test_policy));
EXPECT_FALSE(
IsFeatureDeclared(mojom::FeaturePolicyFeature::kUsb, test_policy));
EXPECT_FALSE(
IsFeatureDeclared(mojom::FeaturePolicyFeature::kNotFound, test_policy));
}
TEST_F(FeaturePolicyMutationTest, TestIsFeatureDeclaredWithEmptyPolicy) {
EXPECT_FALSE(IsFeatureDeclared(mojom::FeaturePolicyFeature::kFullscreen,
empty_policy));
EXPECT_FALSE(
IsFeatureDeclared(mojom::FeaturePolicyFeature::kNotFound, empty_policy));
}
TEST_F(FeaturePolicyMutationTest, TestRemoveAbsentFeature) {
ASSERT_EQ(2UL, test_policy.size());
EXPECT_FALSE(
IsFeatureDeclared(mojom::FeaturePolicyFeature::kPayment, test_policy));
EXPECT_FALSE(RemoveFeatureIfPresent(mojom::FeaturePolicyFeature::kPayment,
test_policy));
ASSERT_EQ(2UL, test_policy.size());
EXPECT_FALSE(
IsFeatureDeclared(mojom::FeaturePolicyFeature::kPayment, test_policy));
}
TEST_F(FeaturePolicyMutationTest, TestRemoveFromEmptyPolicy) {
ASSERT_EQ(0UL, empty_policy.size());
EXPECT_FALSE(RemoveFeatureIfPresent(mojom::FeaturePolicyFeature::kPayment,
test_policy));
ASSERT_EQ(0UL, empty_policy.size());
}
TEST_F(FeaturePolicyMutationTest, TestRemoveFeatureIfPresent) {
ASSERT_EQ(2UL, test_policy.size());
EXPECT_TRUE(
IsFeatureDeclared(mojom::FeaturePolicyFeature::kFullscreen, test_policy));
EXPECT_TRUE(RemoveFeatureIfPresent(mojom::FeaturePolicyFeature::kFullscreen,
test_policy));
EXPECT_EQ(1UL, test_policy.size());
EXPECT_FALSE(
IsFeatureDeclared(mojom::FeaturePolicyFeature::kFullscreen, test_policy));
// Attempt to remove the feature again
EXPECT_FALSE(RemoveFeatureIfPresent(mojom::FeaturePolicyFeature::kFullscreen,
test_policy));
EXPECT_EQ(1UL, test_policy.size());
EXPECT_FALSE(
IsFeatureDeclared(mojom::FeaturePolicyFeature::kFullscreen, test_policy));
}
TEST_F(FeaturePolicyMutationTest, TestRemoveFeatureIfPresentOnSecondFeature) {
ASSERT_EQ(2UL, test_policy.size());
EXPECT_TRUE(IsFeatureDeclared(mojom::FeaturePolicyFeature::kGeolocation,
test_policy));
EXPECT_TRUE(RemoveFeatureIfPresent(mojom::FeaturePolicyFeature::kGeolocation,
test_policy));
ASSERT_EQ(1UL, test_policy.size());
EXPECT_FALSE(IsFeatureDeclared(mojom::FeaturePolicyFeature::kGeolocation,
test_policy));
// Attempt to remove the feature again
EXPECT_FALSE(RemoveFeatureIfPresent(mojom::FeaturePolicyFeature::kGeolocation,
test_policy));
EXPECT_EQ(1UL, test_policy.size());
EXPECT_FALSE(IsFeatureDeclared(mojom::FeaturePolicyFeature::kGeolocation,
test_policy));
}
TEST_F(FeaturePolicyMutationTest, TestRemoveAllFeatures) {
ASSERT_EQ(2UL, test_policy.size());
EXPECT_TRUE(RemoveFeatureIfPresent(mojom::FeaturePolicyFeature::kFullscreen,
test_policy));
EXPECT_TRUE(RemoveFeatureIfPresent(mojom::FeaturePolicyFeature::kGeolocation,
test_policy));
EXPECT_EQ(0UL, test_policy.size());
EXPECT_FALSE(
IsFeatureDeclared(mojom::FeaturePolicyFeature::kFullscreen, test_policy));
EXPECT_FALSE(IsFeatureDeclared(mojom::FeaturePolicyFeature::kGeolocation,
test_policy));
}
TEST_F(FeaturePolicyMutationTest, TestDisallowIfNotPresent) {
ParsedFeaturePolicy copy = test_policy;
// Try to disallow a feature which already exists
EXPECT_FALSE(DisallowFeatureIfNotPresent(
mojom::FeaturePolicyFeature::kFullscreen, copy));
ASSERT_EQ(copy, test_policy);
// Disallow a new feature
EXPECT_TRUE(
DisallowFeatureIfNotPresent(mojom::FeaturePolicyFeature::kPayment, copy));
EXPECT_EQ(3UL, copy.size());
// Verify that the feature is, in fact, now disallowed everywhere
EXPECT_TRUE(IsFeatureDisallowedEverywhere(
mojom::FeaturePolicyFeature::kPayment, copy));
}
TEST_F(FeaturePolicyMutationTest, TestAllowEverywhereIfNotPresent) {
ParsedFeaturePolicy copy = test_policy;
// Try to allow a feature which already exists
EXPECT_FALSE(AllowFeatureEverywhereIfNotPresent(
mojom::FeaturePolicyFeature::kFullscreen, copy));
ASSERT_EQ(copy, test_policy);
// Allow a new feature
EXPECT_TRUE(AllowFeatureEverywhereIfNotPresent(
mojom::FeaturePolicyFeature::kPayment, copy));
EXPECT_EQ(3UL, copy.size());
// Verify that the feature is, in fact, allowed everywhere
EXPECT_TRUE(
IsFeatureAllowedEverywhere(mojom::FeaturePolicyFeature::kPayment, copy));
}
TEST_F(FeaturePolicyMutationTest, TestDisallowUnconditionally) {
// Try to disallow a feature which already exists
DisallowFeature(mojom::FeaturePolicyFeature::kFullscreen, test_policy);
// Should not have changed the number of declarations
EXPECT_EQ(2UL, test_policy.size());
// Verify that the feature is, in fact, now disallowed everywhere
EXPECT_TRUE(IsFeatureDisallowedEverywhere(
mojom::FeaturePolicyFeature::kFullscreen, test_policy));
}
TEST_F(FeaturePolicyMutationTest, TestDisallowNewFeatureUnconditionally) {
// Try to disallow a feature which does not yet exist
DisallowFeature(mojom::FeaturePolicyFeature::kPayment, test_policy);
// Should have added a new declaration
EXPECT_EQ(3UL, test_policy.size());
// Verify that the feature is, in fact, now disallowed everywhere
EXPECT_TRUE(IsFeatureDisallowedEverywhere(
mojom::FeaturePolicyFeature::kPayment, test_policy));
}
TEST_F(FeaturePolicyMutationTest, TestAllowUnconditionally) {
// Try to allow a feature which already exists
AllowFeatureEverywhere(mojom::FeaturePolicyFeature::kFullscreen, test_policy);
// Should not have changed the number of declarations
EXPECT_EQ(2UL, test_policy.size());
// Verify that the feature is, in fact, now allowed everywhere
EXPECT_TRUE(IsFeatureAllowedEverywhere(
mojom::FeaturePolicyFeature::kFullscreen, test_policy));
}
TEST_F(FeaturePolicyMutationTest, TestAllowNewFeatureUnconditionally) {
// Try to allow a feature which does not yet exist
AllowFeatureEverywhere(mojom::FeaturePolicyFeature::kPayment, test_policy);
// Should have added a new declaration
EXPECT_EQ(3UL, test_policy.size());
// Verify that the feature is, in fact, now allowed everywhere
EXPECT_TRUE(IsFeatureAllowedEverywhere(mojom::FeaturePolicyFeature::kPayment,
test_policy));
}
} // namespace blink
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