mirror of
https://github.com/mozilla/gecko-dev.git
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142 lines
4.8 KiB
C++
142 lines
4.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=4 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsScriptSecurityManager_h__
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#define nsScriptSecurityManager_h__
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#include "nsIScriptSecurityManager.h"
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#include "mozilla/Maybe.h"
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#include "nsIPrincipal.h"
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#include "nsCOMPtr.h"
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#include "nsServiceManagerUtils.h"
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#include "nsStringFwd.h"
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#include "js/TypeDecls.h"
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#include <stdint.h>
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class nsIIOService;
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class nsIStringBundle;
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namespace mozilla {
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class OriginAttributes;
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class SystemPrincipal;
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} // namespace mozilla
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namespace JS {
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enum class RuntimeCode;
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} // namespace JS
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/////////////////////////////
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// nsScriptSecurityManager //
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/////////////////////////////
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#define NS_SCRIPTSECURITYMANAGER_CID \
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{ \
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0x7ee2a4c0, 0x4b93, 0x17d3, { \
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0xba, 0x18, 0x00, 0x60, 0xb0, 0xf1, 0x99, 0xa2 \
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} \
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}
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class nsScriptSecurityManager final : public nsIScriptSecurityManager {
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public:
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static void Shutdown();
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NS_DEFINE_STATIC_CID_ACCESSOR(NS_SCRIPTSECURITYMANAGER_CID)
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NS_DECL_ISUPPORTS
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NS_DECL_NSISCRIPTSECURITYMANAGER
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static nsScriptSecurityManager* GetScriptSecurityManager();
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// Invoked exactly once, by XPConnect.
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static void InitStatics();
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void InitJSCallbacks(JSContext* aCx);
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// This has to be static because it is called after gScriptSecMan is cleared.
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static void ClearJSCallbacks(JSContext* aCx);
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static already_AddRefed<mozilla::SystemPrincipal>
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SystemPrincipalSingletonConstructor();
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/**
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* Utility method for comparing two URIs. For security purposes, two URIs
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* are equivalent if their schemes, hosts, and ports (if any) match. This
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* method returns true if aSubjectURI and aObjectURI have the same origin,
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* false otherwise.
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*/
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static bool SecurityCompareURIs(nsIURI* aSourceURI, nsIURI* aTargetURI);
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static uint32_t SecurityHashURI(nsIURI* aURI);
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static bool IsHttpOrHttpsAndCrossOrigin(nsIURI* aUriA, nsIURI* aUriB);
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static nsresult ReportError(const char* aMessageTag, nsIURI* aSource,
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nsIURI* aTarget, bool aFromPrivateWindow,
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uint64_t aInnerWindowID = 0);
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static nsresult ReportError(const char* aMessageTag,
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const nsACString& sourceSpec,
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const nsACString& targetSpec,
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bool aFromPrivateWindow,
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uint64_t aInnerWindowID = 0);
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static bool GetStrictFileOriginPolicy() { return sStrictFileOriginPolicy; }
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void DeactivateDomainPolicy();
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private:
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// GetScriptSecurityManager is the only call that can make one
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nsScriptSecurityManager();
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virtual ~nsScriptSecurityManager();
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// Decides, based on CSP, whether or not eval() and stuff can be executed.
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static bool ContentSecurityPolicyPermitsJSAction(JSContext* cx,
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JS::RuntimeCode kind,
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JS::Handle<JSString*> aCode);
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static bool JSPrincipalsSubsume(JSPrincipals* first, JSPrincipals* second);
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nsresult Init();
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nsresult InitPrefs();
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static void ScriptSecurityPrefChanged(const char* aPref, void* aSelf);
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void ScriptSecurityPrefChanged(const char* aPref = nullptr);
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inline void AddSitesToFileURIAllowlist(const nsCString& aSiteList);
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nsresult GetChannelResultPrincipal(nsIChannel* aChannel,
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nsIPrincipal** aPrincipal,
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bool aIgnoreSandboxing);
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nsresult CheckLoadURIFlags(nsIURI* aSourceURI, nsIURI* aTargetURI,
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nsIURI* aSourceBaseURI, nsIURI* aTargetBaseURI,
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uint32_t aFlags, bool aFromPrivateWindow,
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uint64_t aInnerWindowID);
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// Returns the file URI allowlist, initializing it if it has not been
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// initialized.
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const nsTArray<nsCOMPtr<nsIURI>>& EnsureFileURIAllowlist();
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nsCOMPtr<nsIPrincipal> mSystemPrincipal;
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bool mPrefInitialized;
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bool mIsJavaScriptEnabled;
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// List of URIs whose domains and sub-domains are allowlisted to allow
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// access to file: URIs. Lazily initialized; isNothing() when not yet
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// initialized.
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mozilla::Maybe<nsTArray<nsCOMPtr<nsIURI>>> mFileURIAllowlist;
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// This machinery controls new-style domain policies. The old-style
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// policy machinery will be removed soon.
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nsCOMPtr<nsIDomainPolicy> mDomainPolicy;
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static std::atomic<bool> sStrictFileOriginPolicy;
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static mozilla::StaticRefPtr<nsIIOService> sIOService;
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static nsIStringBundle* sStrBundle;
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};
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#endif // nsScriptSecurityManager_h__
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