162 lines
4.9 KiB
C++
162 lines
4.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 "nsIAddonPolicyService.h"
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#include "mozilla/Maybe.h"
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#include "nsIAddonPolicyService.h"
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#include "nsIPrincipal.h"
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#include "nsCOMPtr.h"
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#include "nsIObserver.h"
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#include "nsServiceManagerUtils.h"
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#include "plstr.h"
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#include "js/TypeDecls.h"
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#include <stdint.h>
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class nsCString;
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class nsIIOService;
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class nsIStringBundle;
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class nsSystemPrincipal;
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namespace mozilla {
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class PrincipalOriginAttributes;
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} // namespace mozilla
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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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{ 0x7ee2a4c0, 0x4b93, 0x17d3, \
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{ 0xba, 0x18, 0x00, 0x60, 0xb0, 0xf1, 0x99, 0xa2 }}
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class nsScriptSecurityManager final : public nsIScriptSecurityManager,
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public nsIObserver
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{
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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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NS_DECL_NSIOBSERVER
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static nsScriptSecurityManager*
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GetScriptSecurityManager();
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// Invoked exactly once, by XPConnect.
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static void InitStatics();
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static nsSystemPrincipal*
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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 uint16_t AppStatusForPrincipal(nsIPrincipal *aPrin);
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static nsresult
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ReportError(JSContext* cx, const nsAString& messageTag,
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nsIURI* aSource, nsIURI* aTarget);
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static uint32_t
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HashPrincipalByOrigin(nsIPrincipal* aPrincipal);
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static bool
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GetStrictFileOriginPolicy()
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{
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return sStrictFileOriginPolicy;
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}
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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
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ContentSecurityPolicyPermitsJSAction(JSContext *cx);
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static bool
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JSPrincipalsSubsume(JSPrincipals *first, JSPrincipals *second);
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// Returns null if a principal cannot be found; generally callers
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// should error out at that point.
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static nsIPrincipal* doGetObjectPrincipal(JSObject* obj);
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nsresult
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Init();
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nsresult
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InitPrefs();
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inline void
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ScriptSecurityPrefChanged();
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inline void
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AddSitesToFileURIWhitelist(const nsCString& aSiteList);
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// If aURI is a moz-extension:// URI, set mAddonId to the associated addon.
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nsresult MaybeSetAddonIdFromURI(mozilla::PrincipalOriginAttributes& aAttrs, nsIURI* aURI);
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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
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CheckLoadURIFlags(nsIURI* aSourceURI, nsIURI* aTargetURI, nsIURI* aSourceBaseURI,
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nsIURI* aTargetBaseURI, uint32_t aFlags);
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// Returns the file URI whitelist, initializing it if it has not been
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// initialized.
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const nsTArray<nsCOMPtr<nsIURI>>& EnsureFileURIWhitelist();
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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 whitelisted 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>>> mFileURIWhitelist;
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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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// Cached addon policy service. We can't generate this in Init() because
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// that's too early to get a service.
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mozilla::Maybe<nsCOMPtr<nsIAddonPolicyService>> mAddonPolicyService;
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nsIAddonPolicyService* GetAddonPolicyService()
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{
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if (mAddonPolicyService.isNothing()) {
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mAddonPolicyService.emplace(do_GetService("@mozilla.org/addons/policy-service;1"));
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}
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return mAddonPolicyService.ref();
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}
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static bool sStrictFileOriginPolicy;
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static nsIIOService *sIOService;
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static nsIStringBundle *sStrBundle;
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static JSContext *sContext;
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};
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#endif // nsScriptSecurityManager_h__
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