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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=4 et sw=4 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsScriptSecurityManager_h__
#define nsScriptSecurityManager_h__
#include "nsIScriptSecurityManager.h"
#include "nsIAddonPolicyService.h"
#include "mozilla/Maybe.h"
#include "nsIAddonPolicyService.h"
#include "nsIPrincipal.h"
#include "nsCOMPtr.h"
#include "nsIObserver.h"
#include "nsServiceManagerUtils.h"
#include "plstr.h"
#include "js/TypeDecls.h"
#include <stdint.h>
class nsCString;
class nsIIOService;
class nsIStringBundle;
class nsSystemPrincipal;
namespace mozilla {
class PrincipalOriginAttributes;
} // namespace mozilla
/////////////////////////////
// nsScriptSecurityManager //
/////////////////////////////
#define NS_SCRIPTSECURITYMANAGER_CID \
{ 0x7ee2a4c0, 0x4b93, 0x17d3, \
{ 0xba, 0x18, 0x00, 0x60, 0xb0, 0xf1, 0x99, 0xa2 }}
class nsScriptSecurityManager final : public nsIScriptSecurityManager,
public nsIObserver
{
public:
static void Shutdown();
NS_DEFINE_STATIC_CID_ACCESSOR(NS_SCRIPTSECURITYMANAGER_CID)
NS_DECL_ISUPPORTS
NS_DECL_NSISCRIPTSECURITYMANAGER
NS_DECL_NSIOBSERVER
static nsScriptSecurityManager*
GetScriptSecurityManager();
// Invoked exactly once, by XPConnect.
static void InitStatics();
static nsSystemPrincipal*
SystemPrincipalSingletonConstructor();
/**
* Utility method for comparing two URIs. For security purposes, two URIs
* are equivalent if their schemes, hosts, and ports (if any) match. This
* method returns true if aSubjectURI and aObjectURI have the same origin,
* false otherwise.
*/
static bool SecurityCompareURIs(nsIURI* aSourceURI, nsIURI* aTargetURI);
static uint32_t SecurityHashURI(nsIURI* aURI);
static uint16_t AppStatusForPrincipal(nsIPrincipal *aPrin);
static nsresult
ReportError(JSContext* cx, const nsAString& messageTag,
nsIURI* aSource, nsIURI* aTarget);
static uint32_t
HashPrincipalByOrigin(nsIPrincipal* aPrincipal);
static bool
GetStrictFileOriginPolicy()
{
return sStrictFileOriginPolicy;
}
void DeactivateDomainPolicy();
private:
// GetScriptSecurityManager is the only call that can make one
nsScriptSecurityManager();
virtual ~nsScriptSecurityManager();
// Decides, based on CSP, whether or not eval() and stuff can be executed.
static bool
ContentSecurityPolicyPermitsJSAction(JSContext *cx);
static bool
JSPrincipalsSubsume(JSPrincipals *first, JSPrincipals *second);
// Returns null if a principal cannot be found; generally callers
// should error out at that point.
static nsIPrincipal* doGetObjectPrincipal(JSObject* obj);
nsresult
Init();
nsresult
InitPrefs();
inline void
ScriptSecurityPrefChanged();
inline void
AddSitesToFileURIWhitelist(const nsCString& aSiteList);
// If aURI is a moz-extension:// URI, set mAddonId to the associated addon.
nsresult MaybeSetAddonIdFromURI(mozilla::PrincipalOriginAttributes& aAttrs, nsIURI* aURI);
nsresult GetChannelResultPrincipal(nsIChannel* aChannel,
nsIPrincipal** aPrincipal,
bool aIgnoreSandboxing);
nsresult
CheckLoadURIFlags(nsIURI* aSourceURI, nsIURI* aTargetURI, nsIURI* aSourceBaseURI,
nsIURI* aTargetBaseURI, uint32_t aFlags);
// Returns the file URI whitelist, initializing it if it has not been
// initialized.
const nsTArray<nsCOMPtr<nsIURI>>& EnsureFileURIWhitelist();
nsCOMPtr<nsIPrincipal> mSystemPrincipal;
bool mPrefInitialized;
bool mIsJavaScriptEnabled;
// List of URIs whose domains and sub-domains are whitelisted to allow
// access to file: URIs. Lazily initialized; isNothing() when not yet
// initialized.
mozilla::Maybe<nsTArray<nsCOMPtr<nsIURI>>> mFileURIWhitelist;
// This machinery controls new-style domain policies. The old-style
// policy machinery will be removed soon.
nsCOMPtr<nsIDomainPolicy> mDomainPolicy;
// Cached addon policy service. We can't generate this in Init() because
// that's too early to get a service.
mozilla::Maybe<nsCOMPtr<nsIAddonPolicyService>> mAddonPolicyService;
nsIAddonPolicyService* GetAddonPolicyService()
{
if (mAddonPolicyService.isNothing()) {
mAddonPolicyService.emplace(do_GetService("@mozilla.org/addons/policy-service;1"));
}
return mAddonPolicyService.ref();
}
static bool sStrictFileOriginPolicy;
static nsIIOService *sIOService;
static nsIStringBundle *sStrBundle;
static JSContext *sContext;
};
#endif // nsScriptSecurityManager_h__
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