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Unified Diff: content/common/feature_policy/feature_policy_unittest.cc

Issue 2655023004: Feature policy: Add basic algorithm for supporting frame policies. (Closed)
Patch Set: Addressing review comments Created 3 years, 10 months ago
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Index: content/common/feature_policy/feature_policy_unittest.cc
diff --git a/content/common/feature_policy/feature_policy_unittest.cc b/content/common/feature_policy/feature_policy_unittest.cc
index 8426bd03266d393158a10a671dcc4b2bc49766c9..cb69f3303e7290ec7cf28fdc57568458054f4ac9 100644
--- a/content/common/feature_policy/feature_policy_unittest.cc
+++ b/content/common/feature_policy/feature_policy_unittest.cc
@@ -54,9 +54,17 @@ class FeaturePolicyTest : public ::testing::Test {
std::unique_ptr<FeaturePolicy> CreateFromParentPolicy(
const FeaturePolicy* parent,
const url::Origin& origin) {
- return FeaturePolicy::CreateFromParentPolicy(parent, origin, feature_list_);
+ return FeaturePolicy::CreateFromParentPolicy(parent, nullptr, origin,
+ feature_list_);
}
+ std::unique_ptr<FeaturePolicy> CreateFromParentWithFramePolicy(
+ const FeaturePolicy* parent,
+ const ParsedFeaturePolicyHeader* frame_policy,
+ const url::Origin& origin) {
+ return FeaturePolicy::CreateFromParentPolicy(parent, frame_policy, origin,
+ feature_list_);
+ }
url::Origin origin_a_ = url::Origin(GURL("https://example.com/"));
url::Origin origin_b_ = url::Origin(GURL("https://example.net/"));
url::Origin origin_c_ = url::Origin(GURL("https://example.org/"));
@@ -641,4 +649,364 @@ TEST_F(FeaturePolicyTest, TestFeatureEnabledForOrigin) {
policy1->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_c_));
}
+// Test frame policies
+
+TEST_F(FeaturePolicyTest, TestSimpleFramePolicy) {
+ // +-------------------------------------------------+
+ // |(1)Origin A |
+ // |No Policy |
+ // | |
+ // |<iframe policy='{"default-self": ["Origin B"]}'> |
+ // | +-------------+ |
+ // | |(2)Origin B | |
+ // | |No Policy | |
+ // | +-------------+ |
+ // +-------------------------------------------------+
+ // Default-self feature should be enabled in cross-origin child frame because
+ // permission was delegated through frame policy.
+ // This is the same scenario as when the iframe is declared as
+ // <iframe allow="default-self">
+ std::unique_ptr<FeaturePolicy> policy1 =
+ CreateFromParentPolicy(nullptr, origin_a_);
+ ParsedFeaturePolicyHeader frame_policy = {
+ {{"default-self", false, {origin_b_}}}};
+ std::unique_ptr<FeaturePolicy> policy2 =
+ CreateFromParentWithFramePolicy(policy1.get(), &frame_policy, origin_b_);
+ EXPECT_TRUE(
+ policy1->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_a_));
+ EXPECT_FALSE(
+ policy1->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_c_));
+ EXPECT_FALSE(
+ policy1->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_c_));
+ EXPECT_FALSE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_a_));
+ EXPECT_TRUE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_b_));
+ EXPECT_FALSE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_c_));
+}
+
+TEST_F(FeaturePolicyTest, TestAllOriginFramePolicy) {
+ // +------------------------------------------+
+ // |(1)Origin A |
+ // |No Policy |
+ // | |
+ // |<iframe policy='{"default-self": ["*"]}'> |
+ // | +-------------+ |
+ // | |(2)Origin B | |
+ // | |No Policy | |
+ // | +-------------+ |
+ // +------------------------------------------+
+ // Default-self feature should be enabled in cross-origin child frame because
+ // permission was delegated through frame policy.
+ // This is the same scenario that arises when the iframe is declared as
+ // <iframe allowfullscreen>
+ std::unique_ptr<FeaturePolicy> policy1 =
+ CreateFromParentPolicy(nullptr, origin_a_);
+ ParsedFeaturePolicyHeader frame_policy = {
+ {{"default-self", true, std::vector<url::Origin>()}}};
+ std::unique_ptr<FeaturePolicy> policy2 =
+ CreateFromParentWithFramePolicy(policy1.get(), &frame_policy, origin_b_);
+ EXPECT_TRUE(
+ policy1->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_a_));
+ EXPECT_FALSE(
+ policy1->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_b_));
+ EXPECT_FALSE(
+ policy1->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_c_));
+ EXPECT_FALSE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_a_));
+ EXPECT_TRUE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_b_));
+ EXPECT_FALSE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_c_));
+}
+
+TEST_F(FeaturePolicyTest, TestFramePolicyCanBeFurtherDelegated) {
+ // +-----------------------------------------------------+
+ // |(1)Origin A |
+ // |No Policy |
+ // | |
+ // |<iframe policy='{"default-self": ["Origin B"]}'> |
+ // | +-------------------------------------------------+ |
+ // | |(2)Origin B | |
+ // | |No Policy | |
+ // | | | |
+ // | |<iframe policy='{"default-self": ["Origin C"]}'> | |
+ // | | +-------------+ | |
+ // | | |(3)Origin C | | |
+ // | | |No Policy | | |
+ // | | +-------------+ | |
+ // | | | |
+ // | |<iframe> (No frame policy) | |
+ // | | +-------------+ | |
+ // | | |(4)Origin C | | |
+ // | | |No Policy | | |
+ // | | +-------------+ | |
+ // | +-------------------------------------------------+ |
+ // +-----------------------------------------------------+
+ // Default-self feature should be enabled in cross-origin child frames 2 and
+ // 3. Feature should be disabled in frame 4 because it was not further
+ // delegated through frame policy.
+ std::unique_ptr<FeaturePolicy> policy1 =
+ CreateFromParentPolicy(nullptr, origin_a_);
+ ParsedFeaturePolicyHeader frame_policy1 = {
+ {{"default-self", false, {origin_b_}}}};
+ std::unique_ptr<FeaturePolicy> policy2 =
+ CreateFromParentWithFramePolicy(policy1.get(), &frame_policy1, origin_b_);
+ ParsedFeaturePolicyHeader frame_policy2 = {
+ {{"default-self", false, {origin_c_}}}};
+ std::unique_ptr<FeaturePolicy> policy3 =
+ CreateFromParentWithFramePolicy(policy2.get(), &frame_policy2, origin_c_);
+ std::unique_ptr<FeaturePolicy> policy4 =
+ CreateFromParentWithFramePolicy(policy2.get(), nullptr, origin_c_);
+ EXPECT_FALSE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_a_));
+ EXPECT_FALSE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_b_));
+ EXPECT_TRUE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_c_));
+ EXPECT_FALSE(
+ policy4->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_a_));
+ EXPECT_FALSE(
+ policy4->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_b_));
+ EXPECT_FALSE(
+ policy4->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_c_));
+}
+
+TEST_F(FeaturePolicyTest, TestDefaultOnCanBeDisabledByFramePolicy) {
+ // +-------------------------------------+
+ // |(1)Origin A |
+ // |No Policy |
+ // | |
+ // |<iframe policy='{"default-on": []}'> |
+ // | +-------------+ |
+ // | |(2)Origin A | |
+ // | |No Policy | |
+ // | +-------------+ |
+ // | |
+ // |<iframe policy='{"default-on": []}'> |
+ // | +-------------+ |
+ // | |(3)Origin B | |
+ // | |No Policy | |
+ // | +-------------+ |
+ // +-------------------------------------+
+ // Default-on feature should be disabled in both same-origin and cross-origin
+ // child frames because permission was removed through frame policy.
+ std::unique_ptr<FeaturePolicy> policy1 =
+ CreateFromParentPolicy(nullptr, origin_a_);
+ ParsedFeaturePolicyHeader frame_policy1 = {
+ {{"default-on", false, std::vector<url::Origin>()}}};
+ std::unique_ptr<FeaturePolicy> policy2 =
+ CreateFromParentWithFramePolicy(policy1.get(), &frame_policy1, origin_a_);
+ ParsedFeaturePolicyHeader frame_policy2 = {
+ {{"default-on", false, std::vector<url::Origin>()}}};
+ std::unique_ptr<FeaturePolicy> policy3 =
+ CreateFromParentWithFramePolicy(policy1.get(), &frame_policy2, origin_b_);
+ EXPECT_TRUE(policy1->IsFeatureEnabledForOrigin(kDefaultOnFeature, origin_a_));
+ EXPECT_TRUE(policy1->IsFeatureEnabledForOrigin(kDefaultOnFeature, origin_b_));
+ EXPECT_TRUE(policy1->IsFeatureEnabledForOrigin(kDefaultOnFeature, origin_c_));
+ EXPECT_FALSE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultOnFeature, origin_a_));
+ EXPECT_FALSE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultOnFeature, origin_b_));
+ EXPECT_FALSE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultOnFeature, origin_c_));
+ EXPECT_FALSE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultOnFeature, origin_a_));
+ EXPECT_FALSE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultOnFeature, origin_b_));
+ EXPECT_FALSE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultOnFeature, origin_c_));
+}
+
+TEST_F(FeaturePolicyTest, TestDefaultOffMustBeEnabledByChildFrame) {
+ // +------------------------------------------------+
+ // |(1)Origin A |
+ // |Policy: {"default-off": ["self"]} |
+ // | |
+ // |<iframe policy='{"default-off": ["Origin A"]}'> |
+ // | +-------------+ |
+ // | |(2)Origin A | |
+ // | |No Policy | |
+ // | +-------------+ |
+ // | |
+ // |<iframe policy='{"default-off": ["Origin B"]}'> |
+ // | +-------------+ |
+ // | |(3)Origin B | |
+ // | |No Policy | |
+ // | +-------------+ |
+ // +------------------------------------------------+
+ // Default-off feature should be disabled in both same-origin and cross-origin
+ // child frames because they did not declare their own policy to enable it.
+ std::unique_ptr<FeaturePolicy> policy1 =
+ CreateFromParentPolicy(nullptr, origin_a_);
+ policy1->SetHeaderPolicy({{{"default-off", false, {origin_a_}}}});
+ ParsedFeaturePolicyHeader frame_policy1 = {
+ {{"default-off", false, {origin_a_}}}};
+ std::unique_ptr<FeaturePolicy> policy2 =
+ CreateFromParentWithFramePolicy(policy1.get(), &frame_policy1, origin_a_);
+ ParsedFeaturePolicyHeader frame_policy2 = {
+ {{"default-off", false, {origin_b_}}}};
+ std::unique_ptr<FeaturePolicy> policy3 =
+ CreateFromParentWithFramePolicy(policy1.get(), &frame_policy2, origin_b_);
+ EXPECT_TRUE(
+ policy1->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_a_));
+ EXPECT_FALSE(
+ policy1->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_b_));
+ EXPECT_FALSE(
+ policy1->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_c_));
+ EXPECT_FALSE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_a_));
+ EXPECT_FALSE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_b_));
+ EXPECT_FALSE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_c_));
+ EXPECT_FALSE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_a_));
+ EXPECT_FALSE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_b_));
+ EXPECT_FALSE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_c_));
+}
+
+TEST_F(FeaturePolicyTest, TestDefaultOffCanBeEnabledByChildFrame) {
+ // +------------------------------------------------+
+ // |(1)Origin A |
+ // |Policy: {"default-off": ["self"]} |
+ // | |
+ // |<iframe policy='{"default-off": ["Origin A"]}'> |
+ // | +--------------------------------------------+ |
+ // | |(2)Origin A | |
+ // | |Policy: {"default-off": ["self"]} | |
+ // | +--------------------------------------------+ |
+ // | |
+ // |<iframe policy='{"default-off": ["Origin B"]}'> |
+ // | +--------------------------------------------+ |
+ // | |(3)Origin B | |
+ // | |Policy: {"default-off": ["self"]} | |
+ // | +--------------------------------------------+ |
+ // +------------------------------------------------+
+ // Default-off feature should be enabled in both same-origin and cross-origin
+ // child frames because it is delegated through the parent's frame policy, and
+ // they declare their own policy to enable it.
+ std::unique_ptr<FeaturePolicy> policy1 =
+ CreateFromParentPolicy(nullptr, origin_a_);
+ policy1->SetHeaderPolicy({{{"default-off", false, {origin_a_}}}});
+ ParsedFeaturePolicyHeader frame_policy1 = {
+ {{"default-off", false, {origin_a_}}}};
+ std::unique_ptr<FeaturePolicy> policy2 =
+ CreateFromParentWithFramePolicy(policy1.get(), &frame_policy1, origin_a_);
+ policy2->SetHeaderPolicy({{{"default-off", false, {origin_a_}}}});
+ ParsedFeaturePolicyHeader frame_policy2 = {
+ {{"default-off", false, {origin_b_}}}};
+ std::unique_ptr<FeaturePolicy> policy3 =
+ CreateFromParentWithFramePolicy(policy1.get(), &frame_policy2, origin_b_);
+ policy3->SetHeaderPolicy({{{"default-off", false, {origin_b_}}}});
+ EXPECT_TRUE(
+ policy1->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_a_));
+ EXPECT_FALSE(
+ policy1->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_b_));
+ EXPECT_FALSE(
+ policy1->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_c_));
+ EXPECT_TRUE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_a_));
+ EXPECT_FALSE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_b_));
+ EXPECT_FALSE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_c_));
+ EXPECT_FALSE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_a_));
+ EXPECT_TRUE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_b_));
+ EXPECT_FALSE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultOffFeature, origin_c_));
+}
+
+TEST_F(FeaturePolicyTest, TestFramePolicyModifiesHeaderPolicy) {
+ // +-----------------------------------------------+
+ // |(1)Origin A |
+ // |Policy: {"default-self": ["self", "Origin B"]} |
+ // | |
+ // |<iframe policy='{"default-self": []}'> |
+ // | +-------------------------------------------+ |
+ // | |(2)Origin B | |
+ // | |No Policy | |
+ // | +-------------------------------------------+ |
+ // | |
+ // |<iframe policy='{"default-self": []}'> |
+ // | +-------------------------------------------+ |
+ // | |(3)Origin B | |
+ // | |Policy: {"default-self": ["self"]} | |
+ // | +-------------------------------------------+ |
+ // +-----------------------------------------------+
+ // Default-self feature should be disabled in both cross-origin child frames
+ // by frame policy, even though the parent frame's header policy would
+ // otherwise enable it. This is true regardless of the child frame's header
+ // policy.
+ std::unique_ptr<FeaturePolicy> policy1 =
+ CreateFromParentPolicy(nullptr, origin_a_);
+ policy1->SetHeaderPolicy({{{"default-self", false, {origin_a_, origin_b_}}}});
+ ParsedFeaturePolicyHeader frame_policy1 = {
+ {{"default-self", false, std::vector<url::Origin>()}}};
+ std::unique_ptr<FeaturePolicy> policy2 =
+ CreateFromParentWithFramePolicy(policy1.get(), &frame_policy1, origin_b_);
+ ParsedFeaturePolicyHeader frame_policy2 = {
+ {{"default-self", false, std::vector<url::Origin>()}}};
+ std::unique_ptr<FeaturePolicy> policy3 =
+ CreateFromParentWithFramePolicy(policy1.get(), &frame_policy2, origin_b_);
+ policy3->SetHeaderPolicy({{{"default-self", false, {origin_b_}}}});
+ EXPECT_FALSE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_b_));
+ EXPECT_FALSE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_b_));
+}
+
+TEST_F(FeaturePolicyTest, TestCombineFrameAndHeaderPolicies) {
+ // +-------------------------------------------------+
+ // |(1)Origin A |
+ // |No Policy |
+ // | |
+ // |<iframe policy='{"default-self": ["Origin B"]}'> |
+ // | +---------------------------------------------+ |
+ // | |(2)Origin B | |
+ // | |Policy: {"default-self": ["*"]} | |
+ // | | | |
+ // | |<iframe policy='{"default-self": []}'> | |
+ // | | +-------------+ | |
+ // | | |(3)Origin C | | |
+ // | | |No Policy | | |
+ // | | +-------------+ | |
+ // | | | |
+ // | |<iframe> (No frame policy) | |
+ // | | +-------------+ | |
+ // | | |(4)Origin C | | |
+ // | | |No Policy | | |
+ // | | +-------------+ | |
+ // | +---------------------------------------------+ |
+ // +-------------------------------------------------+
+ // Default-self feature should be enabled in cross-origin child frames 2 and
+ // 4. Feature should be disabled in frame 3 by frame policy.
+ std::unique_ptr<FeaturePolicy> policy1 =
+ CreateFromParentPolicy(nullptr, origin_a_);
+ ParsedFeaturePolicyHeader frame_policy1 = {
+ {{"default-self", false, {origin_b_}}}};
+ std::unique_ptr<FeaturePolicy> policy2 =
+ CreateFromParentWithFramePolicy(policy1.get(), &frame_policy1, origin_b_);
+ policy2->SetHeaderPolicy(
+ {{{"default-self", true, std::vector<url::Origin>()}}});
+ ParsedFeaturePolicyHeader frame_policy2 = {
+ {{"default-self", false, std::vector<url::Origin>()}}};
+ std::unique_ptr<FeaturePolicy> policy3 =
+ CreateFromParentWithFramePolicy(policy2.get(), &frame_policy2, origin_c_);
+ std::unique_ptr<FeaturePolicy> policy4 =
+ CreateFromParentWithFramePolicy(policy2.get(), nullptr, origin_c_);
+ EXPECT_TRUE(
+ policy1->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_a_));
+ EXPECT_TRUE(
+ policy2->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_b_));
+ EXPECT_FALSE(
+ policy3->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_c_));
+ EXPECT_TRUE(
+ policy4->IsFeatureEnabledForOrigin(kDefaultSelfFeature, origin_c_));
+}
} // namespace content
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