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Unified Diff: third_party/WebKit/Source/platform/feature_policy/FeaturePolicy.h

Issue 2254533002: [FeaturePolicy] Initial implementation of Feature Policy (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@fp-flag
Patch Set: Remove overaggressive bool transform Created 4 years, 3 months ago
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Index: third_party/WebKit/Source/platform/feature_policy/FeaturePolicy.h
diff --git a/third_party/WebKit/Source/platform/feature_policy/FeaturePolicy.h b/third_party/WebKit/Source/platform/feature_policy/FeaturePolicy.h
new file mode 100644
index 0000000000000000000000000000000000000000..0ed236675160f8bf15c31ac6c659cc2d5518389f
--- /dev/null
+++ b/third_party/WebKit/Source/platform/feature_policy/FeaturePolicy.h
@@ -0,0 +1,96 @@
+// 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.
+
+#ifndef FeaturePolicy_h
+#define FeaturePolicy_h
+
+#include "platform/PlatformExport.h"
+#include "platform/heap/Handle.h"
+#include "platform/weborigin/SecurityOrigin.h"
+#include "wtf/RefPtr.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+struct FeaturePolicyFeature {
+ const char* featureName;
+ bool enabledByDefault;
+ bool enabledInNestedContext;
+};
+
+extern const PLATFORM_EXPORT FeaturePolicyFeature kDocumentCookie;
+extern const PLATFORM_EXPORT FeaturePolicyFeature kDocumentDomain;
+extern const PLATFORM_EXPORT FeaturePolicyFeature kDocumentWrite;
+extern const PLATFORM_EXPORT FeaturePolicyFeature kVibrate;
+extern const PLATFORM_EXPORT FeaturePolicyFeature kWebRTC;
+extern const PLATFORM_EXPORT FeaturePolicyFeature kNoSuchFeature;
+
+class PLATFORM_EXPORT FeaturePolicy final : public GarbageCollectedFinalized<FeaturePolicy> {
+public:
+ static FeaturePolicy* createFromParentPolicy(const FeaturePolicy* parent, RefPtr<SecurityOrigin>);
+
+ // Adds a policy to a frame, taking into account any existing or default
+ // policy which applies.
+ void addPolicyFromString(const String& policy);
+
+ // Returns whether or not the given feature is enabled by this policy.
+ bool isFeatureEnabledForOrigin(const FeaturePolicyFeature*, const SecurityOrigin*);
+
+ // Returns whether or not the given feature is enabled for the policy's
+ // origin.
+ bool isFeatureEnabled(const FeaturePolicyFeature*);
+
+ // Returns whether or not the named feature is enabled by default.
+ static bool isFeatureEnabledByDefault(const FeaturePolicyFeature*, bool isTopLevel);
+
+ // Track whether the feature policy-controlled V8 bindings have been
+ // installed already.
+ void setFeaturePolicyBindingsInstalled();
+ bool featurePolicyBindingsInstalled();
+
+ DECLARE_VIRTUAL_TRACE();
+
+private:
+ class Whitelist final {
+ public:
+ Whitelist();
+
+ // Adds a single origin to the whitelist.
+ void add(RefPtr<SecurityOrigin>);
+
+ // Adds all origins to the whitelist.
+ void addAll();
+
+ // Returns true if the given origin has been added to the whitelist.
+ bool targets(const SecurityOrigin*) const;
+
+ private:
+ bool m_matchesAllOrigins;
+ Vector<RefPtr<SecurityOrigin>> origins;
+ };
+
+ FeaturePolicy(PassRefPtr<SecurityOrigin>, bool isTopLevel);
+
+ HashMap<const FeaturePolicyFeature*, Whitelist> parse(const String&);
+
+ RefPtr<SecurityOrigin> m_origin;
+
+ // True if this policy is attached to a top-level frame (and the top-level
+ // defaults should be used when necessary)
+ bool m_isTopLevel;
+
+ // Map of feature names to whitelists. Any feature which is missing from
+ // this map should use the defaults.
+ HashMap<const FeaturePolicyFeature*, Whitelist> m_whitelists;
+
+ // Records whether the V8 bindings have been installed into the document's
+ // V8 context.
+ bool m_bindingsInstalled;
+
+ DISALLOW_COPY_AND_ASSIGN(FeaturePolicy);
+};
+
+} // namespace blink
+
+#endif // FeaturePolicy_h

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