Bug 1349512 - Move OriginAttributes class in separate files, r=qdot

--HG--
rename : caps/BasePrincipal.cpp => caps/OriginAttributes.cpp
rename : caps/BasePrincipal.h => caps/OriginAttributes.h
This commit is contained in:
Andrea Marchesini 2017-03-22 18:45:40 +01:00
parent 07103b0a43
commit 8d7c2746ea
5 changed files with 471 additions and 442 deletions

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@ -12,7 +12,6 @@
#endif
#include "nsIAddonPolicyService.h"
#include "nsIContentSecurityPolicy.h"
#include "nsIEffectiveTLDService.h"
#include "nsIObjectInputStream.h"
#include "nsIObjectOutputStream.h"
@ -25,279 +24,10 @@
#include "mozilla/dom/ChromeUtils.h"
#include "mozilla/dom/CSPDictionariesBinding.h"
#include "mozilla/dom/quota/QuotaManager.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/URLSearchParams.h"
namespace mozilla {
using dom::URLParams;
bool OriginAttributes::sFirstPartyIsolation = false;
bool OriginAttributes::sRestrictedOpenerAccess = false;
void
OriginAttributes::InitPrefs()
{
MOZ_ASSERT(NS_IsMainThread());
static bool sInited = false;
if (!sInited) {
sInited = true;
Preferences::AddBoolVarCache(&sFirstPartyIsolation,
"privacy.firstparty.isolate");
Preferences::AddBoolVarCache(&sRestrictedOpenerAccess,
"privacy.firstparty.isolate.restrict_opener_access");
}
}
void
OriginAttributes::SetFirstPartyDomain(const bool aIsTopLevelDocument,
nsIURI* aURI)
{
bool isFirstPartyEnabled = IsFirstPartyEnabled();
// If the pref is off or this is not a top level load, bail out.
if (!isFirstPartyEnabled || !aIsTopLevelDocument) {
return;
}
nsCOMPtr<nsIEffectiveTLDService> tldService =
do_GetService(NS_EFFECTIVETLDSERVICE_CONTRACTID);
MOZ_ASSERT(tldService);
if (!tldService) {
return;
}
nsAutoCString baseDomain;
nsresult rv = tldService->GetBaseDomain(aURI, 0, baseDomain);
if (NS_FAILED(rv)) {
nsAutoCString scheme;
rv = aURI->GetScheme(scheme);
NS_ENSURE_SUCCESS_VOID(rv);
if (scheme.EqualsLiteral("about")) {
baseDomain.AssignLiteral(ABOUT_URI_FIRST_PARTY_DOMAIN);
}
}
mFirstPartyDomain = NS_ConvertUTF8toUTF16(baseDomain);
}
void
OriginAttributes::SetFirstPartyDomain(const bool aIsTopLevelDocument,
const nsACString& aDomain)
{
bool isFirstPartyEnabled = IsFirstPartyEnabled();
// If the pref is off or this is not a top level load, bail out.
if (!isFirstPartyEnabled || !aIsTopLevelDocument) {
return;
}
mFirstPartyDomain = NS_ConvertUTF8toUTF16(aDomain);
}
void
OriginAttributes::CreateSuffix(nsACString& aStr) const
{
URLParams params;
nsAutoString value;
//
// Important: While serializing any string-valued attributes, perform a
// release-mode assertion to make sure that they don't contain characters that
// will break the quota manager when it uses the serialization for file
// naming.
//
if (mAppId != nsIScriptSecurityManager::NO_APP_ID) {
value.AppendInt(mAppId);
params.Set(NS_LITERAL_STRING("appId"), value);
}
if (mInIsolatedMozBrowser) {
params.Set(NS_LITERAL_STRING("inBrowser"), NS_LITERAL_STRING("1"));
}
if (mUserContextId != nsIScriptSecurityManager::DEFAULT_USER_CONTEXT_ID) {
value.Truncate();
value.AppendInt(mUserContextId);
params.Set(NS_LITERAL_STRING("userContextId"), value);
}
if (mPrivateBrowsingId) {
value.Truncate();
value.AppendInt(mPrivateBrowsingId);
params.Set(NS_LITERAL_STRING("privateBrowsingId"), value);
}
if (!mFirstPartyDomain.IsEmpty()) {
MOZ_RELEASE_ASSERT(mFirstPartyDomain.FindCharInSet(dom::quota::QuotaManager::kReplaceChars) == kNotFound);
params.Set(NS_LITERAL_STRING("firstPartyDomain"), mFirstPartyDomain);
}
aStr.Truncate();
params.Serialize(value);
if (!value.IsEmpty()) {
aStr.AppendLiteral("^");
aStr.Append(NS_ConvertUTF16toUTF8(value));
}
// In debug builds, check the whole string for illegal characters too (just in case).
#ifdef DEBUG
nsAutoCString str;
str.Assign(aStr);
MOZ_ASSERT(str.FindCharInSet(dom::quota::QuotaManager::kReplaceChars) == kNotFound);
#endif
}
void
OriginAttributes::CreateAnonymizedSuffix(nsACString& aStr) const
{
OriginAttributes attrs = *this;
if (!attrs.mFirstPartyDomain.IsEmpty()) {
attrs.mFirstPartyDomain.AssignLiteral("_anonymizedFirstPartyDomain_");
}
attrs.CreateSuffix(aStr);
}
namespace {
class MOZ_STACK_CLASS PopulateFromSuffixIterator final
: public URLParams::ForEachIterator
{
public:
explicit PopulateFromSuffixIterator(OriginAttributes* aOriginAttributes)
: mOriginAttributes(aOriginAttributes)
{
MOZ_ASSERT(aOriginAttributes);
// If mPrivateBrowsingId is passed in as >0 and is not present in the suffix,
// then it will remain >0 when it should be 0 according to the suffix. Set to 0 before
// iterating to fix this.
mOriginAttributes->mPrivateBrowsingId = 0;
}
bool URLParamsIterator(const nsString& aName,
const nsString& aValue) override
{
if (aName.EqualsLiteral("appId")) {
nsresult rv;
int64_t val = aValue.ToInteger64(&rv);
NS_ENSURE_SUCCESS(rv, false);
NS_ENSURE_TRUE(val <= UINT32_MAX, false);
mOriginAttributes->mAppId = static_cast<uint32_t>(val);
return true;
}
if (aName.EqualsLiteral("inBrowser")) {
if (!aValue.EqualsLiteral("1")) {
return false;
}
mOriginAttributes->mInIsolatedMozBrowser = true;
return true;
}
if (aName.EqualsLiteral("addonId")) {
// No longer supported. Silently ignore so that legacy origin strings
// don't cause failures.
return true;
}
if (aName.EqualsLiteral("userContextId")) {
nsresult rv;
int64_t val = aValue.ToInteger64(&rv);
NS_ENSURE_SUCCESS(rv, false);
NS_ENSURE_TRUE(val <= UINT32_MAX, false);
mOriginAttributes->mUserContextId = static_cast<uint32_t>(val);
return true;
}
if (aName.EqualsLiteral("privateBrowsingId")) {
nsresult rv;
int64_t val = aValue.ToInteger64(&rv);
NS_ENSURE_SUCCESS(rv, false);
NS_ENSURE_TRUE(val >= 0 && val <= UINT32_MAX, false);
mOriginAttributes->mPrivateBrowsingId = static_cast<uint32_t>(val);
return true;
}
if (aName.EqualsLiteral("firstPartyDomain")) {
MOZ_RELEASE_ASSERT(mOriginAttributes->mFirstPartyDomain.IsEmpty());
mOriginAttributes->mFirstPartyDomain.Assign(aValue);
return true;
}
// No other attributes are supported.
return false;
}
private:
OriginAttributes* mOriginAttributes;
};
} // namespace
bool
OriginAttributes::PopulateFromSuffix(const nsACString& aStr)
{
if (aStr.IsEmpty()) {
return true;
}
if (aStr[0] != '^') {
return false;
}
URLParams params;
params.ParseInput(Substring(aStr, 1, aStr.Length() - 1));
PopulateFromSuffixIterator iterator(this);
return params.ForEach(iterator);
}
bool
OriginAttributes::PopulateFromOrigin(const nsACString& aOrigin,
nsACString& aOriginNoSuffix)
{
// RFindChar is only available on nsCString.
nsCString origin(aOrigin);
int32_t pos = origin.RFindChar('^');
if (pos == kNotFound) {
aOriginNoSuffix = origin;
return true;
}
aOriginNoSuffix = Substring(origin, 0, pos);
return PopulateFromSuffix(Substring(origin, pos));
}
void
OriginAttributes::SyncAttributesWithPrivateBrowsing(bool aInPrivateBrowsing)
{
mPrivateBrowsingId = aInPrivateBrowsing ? 1 : 0;
}
/* static */
bool
OriginAttributes::IsPrivateBrowsing(const nsACString& aOrigin)
{
nsAutoCString dummy;
OriginAttributes attrs;
if (NS_WARN_IF(!attrs.PopulateFromOrigin(aOrigin, dummy))) {
return false;
}
return !!attrs.mPrivateBrowsingId;
}
BasePrincipal::BasePrincipal(PrincipalKind aKind)
: mKind(aKind)
, mDomainSet(false)

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@ -10,9 +10,7 @@
#include "nsJSPrincipals.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/ChromeUtils.h"
#include "mozilla/dom/ChromeUtilsBinding.h"
#include "nsIScriptSecurityManager.h"
#include "mozilla/OriginAttributes.h"
class nsIContentSecurityPolicy;
class nsIObjectOutputStream;
@ -23,174 +21,6 @@ class ExpandedPrincipal;
namespace mozilla {
// Base OriginAttributes class. This has several subclass flavors, and is not
// directly constructable itself.
class OriginAttributes : public dom::OriginAttributesDictionary
{
public:
OriginAttributes() {}
OriginAttributes(uint32_t aAppId, bool aInIsolatedMozBrowser)
{
mAppId = aAppId;
mInIsolatedMozBrowser = aInIsolatedMozBrowser;
}
explicit OriginAttributes(const OriginAttributesDictionary& aOther)
: OriginAttributesDictionary(aOther)
{}
void SetFirstPartyDomain(const bool aIsTopLevelDocument, nsIURI* aURI);
void SetFirstPartyDomain(const bool aIsTopLevelDocument, const nsACString& aDomain);
enum {
STRIP_FIRST_PARTY_DOMAIN = 0x01,
STRIP_USER_CONTEXT_ID = 0x02,
};
inline void StripAttributes(uint32_t aFlags)
{
if (aFlags & STRIP_FIRST_PARTY_DOMAIN) {
mFirstPartyDomain.Truncate();
}
if (aFlags & STRIP_USER_CONTEXT_ID) {
mUserContextId = nsIScriptSecurityManager::DEFAULT_USER_CONTEXT_ID;
}
}
bool operator==(const OriginAttributes& aOther) const
{
return mAppId == aOther.mAppId &&
mInIsolatedMozBrowser == aOther.mInIsolatedMozBrowser &&
mUserContextId == aOther.mUserContextId &&
mPrivateBrowsingId == aOther.mPrivateBrowsingId &&
mFirstPartyDomain == aOther.mFirstPartyDomain;
}
bool operator!=(const OriginAttributes& aOther) const
{
return !(*this == aOther);
}
// Serializes/Deserializes non-default values into the suffix format, i.e.
// |!key1=value1&key2=value2|. If there are no non-default attributes, this
// returns an empty string.
void CreateSuffix(nsACString& aStr) const;
// Don't use this method for anything else than debugging!
void CreateAnonymizedSuffix(nsACString& aStr) const;
MOZ_MUST_USE bool PopulateFromSuffix(const nsACString& aStr);
// Populates the attributes from a string like
// |uri!key1=value1&key2=value2| and returns the uri without the suffix.
MOZ_MUST_USE bool PopulateFromOrigin(const nsACString& aOrigin,
nsACString& aOriginNoSuffix);
// Helper function to match mIsPrivateBrowsing to existing private browsing
// flags. Once all other flags are removed, this can be removed too.
void SyncAttributesWithPrivateBrowsing(bool aInPrivateBrowsing);
// check if "privacy.firstparty.isolate" is enabled.
static inline bool IsFirstPartyEnabled()
{
return sFirstPartyIsolation;
}
// check if the access of window.opener across different FPDs is restricted.
// We only restrict the access of window.opener when first party isolation
// is enabled and "privacy.firstparty.isolate.restrict_opener_access" is on.
static inline bool IsRestrictOpenerAccessForFPI()
{
// We always want to restrict window.opener if first party isolation is
// disabled.
return !sFirstPartyIsolation || sRestrictedOpenerAccess;
}
// returns true if the originAttributes suffix has mPrivateBrowsingId value
// different than 0.
static bool IsPrivateBrowsing(const nsACString& aOrigin);
static void InitPrefs();
private:
static bool sFirstPartyIsolation;
static bool sRestrictedOpenerAccess;
};
class OriginAttributesPattern : public dom::OriginAttributesPatternDictionary
{
public:
// To convert a JSON string to an OriginAttributesPattern, do the following:
//
// OriginAttributesPattern pattern;
// if (!pattern.Init(aJSONString)) {
// ... // handle failure.
// }
OriginAttributesPattern() {}
explicit OriginAttributesPattern(const OriginAttributesPatternDictionary& aOther)
: OriginAttributesPatternDictionary(aOther) {}
// Performs a match of |aAttrs| against this pattern.
bool Matches(const OriginAttributes& aAttrs) const
{
if (mAppId.WasPassed() && mAppId.Value() != aAttrs.mAppId) {
return false;
}
if (mInIsolatedMozBrowser.WasPassed() && mInIsolatedMozBrowser.Value() != aAttrs.mInIsolatedMozBrowser) {
return false;
}
if (mUserContextId.WasPassed() && mUserContextId.Value() != aAttrs.mUserContextId) {
return false;
}
if (mPrivateBrowsingId.WasPassed() && mPrivateBrowsingId.Value() != aAttrs.mPrivateBrowsingId) {
return false;
}
if (mFirstPartyDomain.WasPassed() && mFirstPartyDomain.Value() != aAttrs.mFirstPartyDomain) {
return false;
}
return true;
}
bool Overlaps(const OriginAttributesPattern& aOther) const
{
if (mAppId.WasPassed() && aOther.mAppId.WasPassed() &&
mAppId.Value() != aOther.mAppId.Value()) {
return false;
}
if (mInIsolatedMozBrowser.WasPassed() &&
aOther.mInIsolatedMozBrowser.WasPassed() &&
mInIsolatedMozBrowser.Value() != aOther.mInIsolatedMozBrowser.Value()) {
return false;
}
if (mUserContextId.WasPassed() && aOther.mUserContextId.WasPassed() &&
mUserContextId.Value() != aOther.mUserContextId.Value()) {
return false;
}
if (mPrivateBrowsingId.WasPassed() && aOther.mPrivateBrowsingId.WasPassed() &&
mPrivateBrowsingId.Value() != aOther.mPrivateBrowsingId.Value()) {
return false;
}
if (mFirstPartyDomain.WasPassed() && aOther.mFirstPartyDomain.WasPassed() &&
mFirstPartyDomain.Value() != aOther.mFirstPartyDomain.Value()) {
return false;
}
return true;
}
};
/*
* Base class from which all nsIPrincipal implementations inherit. Use this for
* default implementations and other commonalities between principal

283
caps/OriginAttributes.cpp Normal file
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@ -0,0 +1,283 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 sw=2 et 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/. */
#include "mozilla/OriginAttributes.h"
#include "mozilla/Preferences.h"
#include "mozilla/dom/URLSearchParams.h"
#include "mozilla/dom/quota/QuotaManager.h"
#include "nsIEffectiveTLDService.h"
#include "nsIURI.h"
namespace mozilla {
using dom::URLParams;
bool OriginAttributes::sFirstPartyIsolation = false;
bool OriginAttributes::sRestrictedOpenerAccess = false;
void
OriginAttributes::InitPrefs()
{
MOZ_ASSERT(NS_IsMainThread());
static bool sInited = false;
if (!sInited) {
sInited = true;
Preferences::AddBoolVarCache(&sFirstPartyIsolation,
"privacy.firstparty.isolate");
Preferences::AddBoolVarCache(&sRestrictedOpenerAccess,
"privacy.firstparty.isolate.restrict_opener_access");
}
}
void
OriginAttributes::SetFirstPartyDomain(const bool aIsTopLevelDocument,
nsIURI* aURI)
{
bool isFirstPartyEnabled = IsFirstPartyEnabled();
// If the pref is off or this is not a top level load, bail out.
if (!isFirstPartyEnabled || !aIsTopLevelDocument) {
return;
}
nsCOMPtr<nsIEffectiveTLDService> tldService =
do_GetService(NS_EFFECTIVETLDSERVICE_CONTRACTID);
MOZ_ASSERT(tldService);
if (!tldService) {
return;
}
nsAutoCString baseDomain;
nsresult rv = tldService->GetBaseDomain(aURI, 0, baseDomain);
if (NS_FAILED(rv)) {
nsAutoCString scheme;
rv = aURI->GetScheme(scheme);
NS_ENSURE_SUCCESS_VOID(rv);
if (scheme.EqualsLiteral("about")) {
baseDomain.AssignLiteral(ABOUT_URI_FIRST_PARTY_DOMAIN);
}
}
mFirstPartyDomain = NS_ConvertUTF8toUTF16(baseDomain);
}
void
OriginAttributes::SetFirstPartyDomain(const bool aIsTopLevelDocument,
const nsACString& aDomain)
{
bool isFirstPartyEnabled = IsFirstPartyEnabled();
// If the pref is off or this is not a top level load, bail out.
if (!isFirstPartyEnabled || !aIsTopLevelDocument) {
return;
}
mFirstPartyDomain = NS_ConvertUTF8toUTF16(aDomain);
}
void
OriginAttributes::CreateSuffix(nsACString& aStr) const
{
URLParams params;
nsAutoString value;
//
// Important: While serializing any string-valued attributes, perform a
// release-mode assertion to make sure that they don't contain characters that
// will break the quota manager when it uses the serialization for file
// naming.
//
if (mAppId != nsIScriptSecurityManager::NO_APP_ID) {
value.AppendInt(mAppId);
params.Set(NS_LITERAL_STRING("appId"), value);
}
if (mInIsolatedMozBrowser) {
params.Set(NS_LITERAL_STRING("inBrowser"), NS_LITERAL_STRING("1"));
}
if (mUserContextId != nsIScriptSecurityManager::DEFAULT_USER_CONTEXT_ID) {
value.Truncate();
value.AppendInt(mUserContextId);
params.Set(NS_LITERAL_STRING("userContextId"), value);
}
if (mPrivateBrowsingId) {
value.Truncate();
value.AppendInt(mPrivateBrowsingId);
params.Set(NS_LITERAL_STRING("privateBrowsingId"), value);
}
if (!mFirstPartyDomain.IsEmpty()) {
MOZ_RELEASE_ASSERT(mFirstPartyDomain.FindCharInSet(dom::quota::QuotaManager::kReplaceChars) == kNotFound);
params.Set(NS_LITERAL_STRING("firstPartyDomain"), mFirstPartyDomain);
}
aStr.Truncate();
params.Serialize(value);
if (!value.IsEmpty()) {
aStr.AppendLiteral("^");
aStr.Append(NS_ConvertUTF16toUTF8(value));
}
// In debug builds, check the whole string for illegal characters too (just in case).
#ifdef DEBUG
nsAutoCString str;
str.Assign(aStr);
MOZ_ASSERT(str.FindCharInSet(dom::quota::QuotaManager::kReplaceChars) == kNotFound);
#endif
}
void
OriginAttributes::CreateAnonymizedSuffix(nsACString& aStr) const
{
OriginAttributes attrs = *this;
if (!attrs.mFirstPartyDomain.IsEmpty()) {
attrs.mFirstPartyDomain.AssignLiteral("_anonymizedFirstPartyDomain_");
}
attrs.CreateSuffix(aStr);
}
namespace {
class MOZ_STACK_CLASS PopulateFromSuffixIterator final
: public URLParams::ForEachIterator
{
public:
explicit PopulateFromSuffixIterator(OriginAttributes* aOriginAttributes)
: mOriginAttributes(aOriginAttributes)
{
MOZ_ASSERT(aOriginAttributes);
// If mPrivateBrowsingId is passed in as >0 and is not present in the suffix,
// then it will remain >0 when it should be 0 according to the suffix. Set to 0 before
// iterating to fix this.
mOriginAttributes->mPrivateBrowsingId = 0;
}
bool URLParamsIterator(const nsString& aName,
const nsString& aValue) override
{
if (aName.EqualsLiteral("appId")) {
nsresult rv;
int64_t val = aValue.ToInteger64(&rv);
NS_ENSURE_SUCCESS(rv, false);
NS_ENSURE_TRUE(val <= UINT32_MAX, false);
mOriginAttributes->mAppId = static_cast<uint32_t>(val);
return true;
}
if (aName.EqualsLiteral("inBrowser")) {
if (!aValue.EqualsLiteral("1")) {
return false;
}
mOriginAttributes->mInIsolatedMozBrowser = true;
return true;
}
if (aName.EqualsLiteral("addonId")) {
// No longer supported. Silently ignore so that legacy origin strings
// don't cause failures.
return true;
}
if (aName.EqualsLiteral("userContextId")) {
nsresult rv;
int64_t val = aValue.ToInteger64(&rv);
NS_ENSURE_SUCCESS(rv, false);
NS_ENSURE_TRUE(val <= UINT32_MAX, false);
mOriginAttributes->mUserContextId = static_cast<uint32_t>(val);
return true;
}
if (aName.EqualsLiteral("privateBrowsingId")) {
nsresult rv;
int64_t val = aValue.ToInteger64(&rv);
NS_ENSURE_SUCCESS(rv, false);
NS_ENSURE_TRUE(val >= 0 && val <= UINT32_MAX, false);
mOriginAttributes->mPrivateBrowsingId = static_cast<uint32_t>(val);
return true;
}
if (aName.EqualsLiteral("firstPartyDomain")) {
MOZ_RELEASE_ASSERT(mOriginAttributes->mFirstPartyDomain.IsEmpty());
mOriginAttributes->mFirstPartyDomain.Assign(aValue);
return true;
}
// No other attributes are supported.
return false;
}
private:
OriginAttributes* mOriginAttributes;
};
} // namespace
bool
OriginAttributes::PopulateFromSuffix(const nsACString& aStr)
{
if (aStr.IsEmpty()) {
return true;
}
if (aStr[0] != '^') {
return false;
}
URLParams params;
params.ParseInput(Substring(aStr, 1, aStr.Length() - 1));
PopulateFromSuffixIterator iterator(this);
return params.ForEach(iterator);
}
bool
OriginAttributes::PopulateFromOrigin(const nsACString& aOrigin,
nsACString& aOriginNoSuffix)
{
// RFindChar is only available on nsCString.
nsCString origin(aOrigin);
int32_t pos = origin.RFindChar('^');
if (pos == kNotFound) {
aOriginNoSuffix = origin;
return true;
}
aOriginNoSuffix = Substring(origin, 0, pos);
return PopulateFromSuffix(Substring(origin, pos));
}
void
OriginAttributes::SyncAttributesWithPrivateBrowsing(bool aInPrivateBrowsing)
{
mPrivateBrowsingId = aInPrivateBrowsing ? 1 : 0;
}
/* static */
bool
OriginAttributes::IsPrivateBrowsing(const nsACString& aOrigin)
{
nsAutoCString dummy;
OriginAttributes attrs;
if (NS_WARN_IF(!attrs.PopulateFromOrigin(aOrigin, dummy))) {
return false;
}
return !!attrs.mPrivateBrowsingId;
}
} // namespace mozilla

184
caps/OriginAttributes.h Normal file
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@ -0,0 +1,184 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 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 mozilla_OriginAttributes_h
#define mozilla_OriginAttributes_h
#include "mozilla/dom/ChromeUtils.h"
#include "mozilla/dom/ChromeUtilsBinding.h"
#include "nsIScriptSecurityManager.h"
namespace mozilla {
class OriginAttributes : public dom::OriginAttributesDictionary
{
public:
OriginAttributes() {}
OriginAttributes(uint32_t aAppId, bool aInIsolatedMozBrowser)
{
mAppId = aAppId;
mInIsolatedMozBrowser = aInIsolatedMozBrowser;
}
explicit OriginAttributes(const OriginAttributesDictionary& aOther)
: OriginAttributesDictionary(aOther)
{}
void SetFirstPartyDomain(const bool aIsTopLevelDocument, nsIURI* aURI);
void SetFirstPartyDomain(const bool aIsTopLevelDocument, const nsACString& aDomain);
enum {
STRIP_FIRST_PARTY_DOMAIN = 0x01,
STRIP_USER_CONTEXT_ID = 0x02,
};
inline void StripAttributes(uint32_t aFlags)
{
if (aFlags & STRIP_FIRST_PARTY_DOMAIN) {
mFirstPartyDomain.Truncate();
}
if (aFlags & STRIP_USER_CONTEXT_ID) {
mUserContextId = nsIScriptSecurityManager::DEFAULT_USER_CONTEXT_ID;
}
}
bool operator==(const OriginAttributes& aOther) const
{
return mAppId == aOther.mAppId &&
mInIsolatedMozBrowser == aOther.mInIsolatedMozBrowser &&
mUserContextId == aOther.mUserContextId &&
mPrivateBrowsingId == aOther.mPrivateBrowsingId &&
mFirstPartyDomain == aOther.mFirstPartyDomain;
}
bool operator!=(const OriginAttributes& aOther) const
{
return !(*this == aOther);
}
// Serializes/Deserializes non-default values into the suffix format, i.e.
// |!key1=value1&key2=value2|. If there are no non-default attributes, this
// returns an empty string.
void CreateSuffix(nsACString& aStr) const;
// Don't use this method for anything else than debugging!
void CreateAnonymizedSuffix(nsACString& aStr) const;
MOZ_MUST_USE bool PopulateFromSuffix(const nsACString& aStr);
// Populates the attributes from a string like
// |uri!key1=value1&key2=value2| and returns the uri without the suffix.
MOZ_MUST_USE bool PopulateFromOrigin(const nsACString& aOrigin,
nsACString& aOriginNoSuffix);
// Helper function to match mIsPrivateBrowsing to existing private browsing
// flags. Once all other flags are removed, this can be removed too.
void SyncAttributesWithPrivateBrowsing(bool aInPrivateBrowsing);
// check if "privacy.firstparty.isolate" is enabled.
static inline bool IsFirstPartyEnabled()
{
return sFirstPartyIsolation;
}
// check if the access of window.opener across different FPDs is restricted.
// We only restrict the access of window.opener when first party isolation
// is enabled and "privacy.firstparty.isolate.restrict_opener_access" is on.
static inline bool IsRestrictOpenerAccessForFPI()
{
// We always want to restrict window.opener if first party isolation is
// disabled.
return !sFirstPartyIsolation || sRestrictedOpenerAccess;
}
// returns true if the originAttributes suffix has mPrivateBrowsingId value
// different than 0.
static bool IsPrivateBrowsing(const nsACString& aOrigin);
static void InitPrefs();
private:
static bool sFirstPartyIsolation;
static bool sRestrictedOpenerAccess;
};
class OriginAttributesPattern : public dom::OriginAttributesPatternDictionary
{
public:
// To convert a JSON string to an OriginAttributesPattern, do the following:
//
// OriginAttributesPattern pattern;
// if (!pattern.Init(aJSONString)) {
// ... // handle failure.
// }
OriginAttributesPattern() {}
explicit OriginAttributesPattern(const OriginAttributesPatternDictionary& aOther)
: OriginAttributesPatternDictionary(aOther) {}
// Performs a match of |aAttrs| against this pattern.
bool Matches(const OriginAttributes& aAttrs) const
{
if (mAppId.WasPassed() && mAppId.Value() != aAttrs.mAppId) {
return false;
}
if (mInIsolatedMozBrowser.WasPassed() && mInIsolatedMozBrowser.Value() != aAttrs.mInIsolatedMozBrowser) {
return false;
}
if (mUserContextId.WasPassed() && mUserContextId.Value() != aAttrs.mUserContextId) {
return false;
}
if (mPrivateBrowsingId.WasPassed() && mPrivateBrowsingId.Value() != aAttrs.mPrivateBrowsingId) {
return false;
}
if (mFirstPartyDomain.WasPassed() && mFirstPartyDomain.Value() != aAttrs.mFirstPartyDomain) {
return false;
}
return true;
}
bool Overlaps(const OriginAttributesPattern& aOther) const
{
if (mAppId.WasPassed() && aOther.mAppId.WasPassed() &&
mAppId.Value() != aOther.mAppId.Value()) {
return false;
}
if (mInIsolatedMozBrowser.WasPassed() &&
aOther.mInIsolatedMozBrowser.WasPassed() &&
mInIsolatedMozBrowser.Value() != aOther.mInIsolatedMozBrowser.Value()) {
return false;
}
if (mUserContextId.WasPassed() && aOther.mUserContextId.WasPassed() &&
mUserContextId.Value() != aOther.mUserContextId.Value()) {
return false;
}
if (mPrivateBrowsingId.WasPassed() && aOther.mPrivateBrowsingId.WasPassed() &&
mPrivateBrowsingId.Value() != aOther.mPrivateBrowsingId.Value()) {
return false;
}
if (mFirstPartyDomain.WasPassed() && aOther.mFirstPartyDomain.WasPassed() &&
mFirstPartyDomain.Value() != aOther.mFirstPartyDomain.Value()) {
return false;
}
return true;
}
};
} // namespace mozilla
#endif /* mozilla_OriginAttributes_h */

View File

@ -30,7 +30,8 @@ EXPORTS += [
]
EXPORTS.mozilla = [
'BasePrincipal.h'
'BasePrincipal.h',
'OriginAttributes.h',
]
SOURCES += [
@ -47,6 +48,7 @@ UNIFIED_SOURCES += [
'nsScriptSecurityManager.cpp',
'NullPrincipal.cpp',
'NullPrincipalURI.cpp',
'OriginAttributes.cpp',
'SystemPrincipal.cpp',
]