155 lines
6.7 KiB
C++
155 lines
6.7 KiB
C++
/*
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* Copyright (C) 2011 Google Inc. All Rights Reserved.
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* Copyright (C) 2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY GOOGLE, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#pragma once
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#include "CrossOriginEmbedderPolicy.h"
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#include <memory>
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#include <wtf/Forward.h>
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#include <wtf/OptionSet.h>
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#include <wtf/RefPtr.h>
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namespace WebCore {
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class SecurityOrigin;
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class SecurityOriginPolicy;
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class ContentSecurityPolicy;
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struct CrossOriginOpenerPolicy;
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struct PolicyContainer;
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enum SandboxFlag {
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// See http://www.whatwg.org/specs/web-apps/current-work/#attr-iframe-sandbox for a list of the sandbox flags.
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SandboxNone = 0,
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SandboxNavigation = 1,
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SandboxPlugins = 1 << 1,
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SandboxOrigin = 1 << 2,
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SandboxForms = 1 << 3,
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SandboxScripts = 1 << 4,
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SandboxTopNavigation = 1 << 5,
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SandboxPopups = 1 << 6, // See https://www.w3.org/Bugs/Public/show_bug.cgi?id=12393
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SandboxAutomaticFeatures = 1 << 7,
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SandboxPointerLock = 1 << 8,
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SandboxPropagatesToAuxiliaryBrowsingContexts = 1 << 9,
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SandboxTopNavigationByUserActivation = 1 << 10,
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SandboxDocumentDomain = 1 << 11,
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SandboxModals = 1 << 12,
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SandboxStorageAccessByUserActivation = 1 << 13,
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SandboxAll = -1 // Mask with all bits set to 1.
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};
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typedef int SandboxFlags;
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class SecurityContext {
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public:
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// https://html.spec.whatwg.org/multipage/origin.html#determining-the-creation-sandboxing-flags
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SandboxFlags creationSandboxFlags() const { return m_creationSandboxFlags; }
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SandboxFlags sandboxFlags() const { return m_sandboxFlags; }
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ContentSecurityPolicy* contentSecurityPolicy() { return m_contentSecurityPolicy.get(); }
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bool isSecureTransitionTo(const URL&) const;
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enum class SandboxFlagsSource : bool { CSP, Other };
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void enforceSandboxFlags(SandboxFlags, SandboxFlagsSource = SandboxFlagsSource::Other);
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bool isSandboxed(SandboxFlags mask) const { return m_sandboxFlags & mask; }
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SecurityOriginPolicy* securityOriginPolicy() const { return m_securityOriginPolicy.get(); }
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// Explicitly override the security origin for this security context.
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// Note: It is dangerous to change the security origin of a script context
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// that already contains content.
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void setSecurityOriginPolicy(RefPtr<SecurityOriginPolicy>&&);
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// Explicitly override the content security policy for this security context.
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// Note: It is dangerous to change the content security policy of a script
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// context that already contains content.
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void setContentSecurityPolicy(std::unique_ptr<ContentSecurityPolicy>&&);
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const CrossOriginEmbedderPolicy& crossOriginEmbedderPolicy() const { return m_crossOriginEmbedderPolicy; }
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void setCrossOriginEmbedderPolicy(const CrossOriginEmbedderPolicy& crossOriginEmbedderPolicy) { m_crossOriginEmbedderPolicy = crossOriginEmbedderPolicy; }
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virtual const CrossOriginOpenerPolicy& crossOriginOpenerPolicy() const;
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PolicyContainer policyContainer() const;
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WEBCORE_EXPORT SecurityOrigin* securityOrigin() const;
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static SandboxFlags parseSandboxPolicy(const String& policy, String& invalidTokensErrorMessage);
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static bool isSupportedSandboxPolicy(StringView);
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enum MixedContentType {
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Inactive = 1 << 0,
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Active = 1 << 1,
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};
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bool usedLegacyTLS() const { return m_usedLegacyTLS; }
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void setUsedLegacyTLS(bool used) { m_usedLegacyTLS = used; }
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const OptionSet<MixedContentType>& foundMixedContent() const { return m_mixedContentTypes; }
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void setFoundMixedContent(MixedContentType type) { m_mixedContentTypes.add(type); }
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bool geolocationAccessed() const { return m_geolocationAccessed; }
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void setGeolocationAccessed() { m_geolocationAccessed = true; }
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bool secureCookiesAccessed() const { return m_secureCookiesAccessed; }
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void setSecureCookiesAccessed() { m_secureCookiesAccessed = true; }
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bool isStrictMixedContentMode() const { return m_isStrictMixedContentMode; }
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void setStrictMixedContentMode(bool strictMixedContentMode) { m_isStrictMixedContentMode = strictMixedContentMode; }
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// This method implements the "Is the environment settings object settings a secure context?" algorithm from
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// the Secure Context spec: https://w3c.github.io/webappsec-secure-contexts/#settings-object (Editor's Draft, 17 November 2016)
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virtual bool isSecureContext() const = 0;
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bool haveInitializedSecurityOrigin() const { return m_haveInitializedSecurityOrigin; }
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protected:
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SecurityContext();
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virtual ~SecurityContext();
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// It's only appropriate to call this during security context initialization; it's needed for
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// flags that can't be disabled with allow-* attributes, such as SandboxNavigation.
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void disableSandboxFlags(SandboxFlags mask) { m_sandboxFlags &= ~mask; }
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void didFailToInitializeSecurityOrigin() { m_haveInitializedSecurityOrigin = false; }
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private:
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void addSandboxFlags(SandboxFlags);
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RefPtr<SecurityOriginPolicy> m_securityOriginPolicy;
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std::unique_ptr<ContentSecurityPolicy> m_contentSecurityPolicy;
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CrossOriginEmbedderPolicy m_crossOriginEmbedderPolicy;
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SandboxFlags m_creationSandboxFlags { SandboxNone };
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SandboxFlags m_sandboxFlags { SandboxNone };
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OptionSet<MixedContentType> m_mixedContentTypes;
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bool m_haveInitializedSecurityOrigin { false };
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bool m_geolocationAccessed { false };
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bool m_secureCookiesAccessed { false };
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bool m_isStrictMixedContentMode { false };
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bool m_usedLegacyTLS { false };
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};
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} // namespace WebCore
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