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/* -*- 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
#ifndef mozilla_OriginAttributes_h
#define mozilla_OriginAttributes_h
#include "mozilla/dom/ChromeUtilsBinding.h"
#include "mozilla/StaticPrefs_privacy.h"
#include "nsIScriptSecurityManager.h"
namespace mozilla {
class OriginAttributes : public dom::OriginAttributesDictionary {
public:
OriginAttributes() = default;
explicit OriginAttributes(const OriginAttributesDictionary& aOther)
: OriginAttributesDictionary(aOther) {}
void SetFirstPartyDomain(const bool aIsTopLevelDocument, nsIURI* aURI,
bool aForced = false);
void SetFirstPartyDomain(const bool aIsTopLevelDocument,
const nsACString& aDomain);
void SetFirstPartyDomain(const bool aIsTopLevelDocument,
const nsAString& aDomain, bool aForced = false);
void SetPartitionKey(nsIURI* aURI, bool aForeignByAncestorContext);
void SetPartitionKey(const nsACString& aOther);
void SetPartitionKey(const nsAString& aOther);
enum {
STRIP_FIRST_PARTY_DOMAIN = 0x01,
STRIP_USER_CONTEXT_ID = 0x02,
STRIP_PRIVATE_BROWSING_ID = 0x04,
STRIP_PARITION_KEY = 0x08,
};
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;
}
if (aFlags & STRIP_PRIVATE_BROWSING_ID) {
mPrivateBrowsingId =
nsIScriptSecurityManager::DEFAULT_PRIVATE_BROWSING_ID;
}
if (aFlags & STRIP_PARITION_KEY) {
mPartitionKey.Truncate();
}
}
bool operator==(const OriginAttributes& aOther) const {
return EqualsIgnoringFPD(aOther) &&
mFirstPartyDomain == aOther.mFirstPartyDomain &&
// EqualsIgnoringFPD instead?
mPartitionKey == aOther.mPartitionKey;
}
bool operator!=(const OriginAttributes& aOther) const {
return !(*this == aOther);
}
[[nodiscard]] bool EqualsIgnoringFPD(const OriginAttributes& aOther) const {
return mUserContextId == aOther.mUserContextId &&
mPrivateBrowsingId == aOther.mPrivateBrowsingId &&
mGeckoViewSessionContextId == aOther.mGeckoViewSessionContextId;
}
[[nodiscard]] bool EqualsIgnoringPartitionKey(
const OriginAttributes& aOther) const {
return EqualsIgnoringFPD(aOther) &&
mFirstPartyDomain == aOther.mFirstPartyDomain;
}
[[nodiscard]] inline bool IsPrivateBrowsing() const {
return mPrivateBrowsingId !=
nsIScriptSecurityManager::DEFAULT_PRIVATE_BROWSING_ID;
}
// 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;
// Like CreateSuffix, but returns an atom instead of producing a string.
already_AddRefed<nsAtom> CreateSuffixAtom() const;
// Don't use this method for anything else than debugging!
void CreateAnonymizedSuffix(nsACString& aStr) const;
[[nodiscard]] bool PopulateFromSuffix(const nsACString& aStr);
// Populates the attributes from a string like
// |uri^key1=value1&key2=value2| and returns the uri without the suffix.
[[nodiscard]] 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 StaticPrefs::privacy_firstparty_isolate();
}
// 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 !StaticPrefs::privacy_firstparty_isolate() ||
StaticPrefs::privacy_firstparty_isolate_restrict_opener_access();
}
// Check whether we block the postMessage across different FPDs when the
// targetOrigin is '*'.
[[nodiscard]] static inline bool IsBlockPostMessageForFPI() {
return StaticPrefs::privacy_firstparty_isolate() &&
StaticPrefs::privacy_firstparty_isolate_block_post_message();
}
// returns true if the originAttributes suffix has mPrivateBrowsingId value
// different than 0.
static bool IsPrivateBrowsing(const nsACString& aOrigin);
// Parse a partitionKey of the format
// "(<scheme>,<baseDomain>,[port],[ancestorbit])" into its components. Returns
// false if the partitionKey cannot be parsed because the format is invalid.
static bool ParsePartitionKey(const nsAString& aPartitionKey,
nsAString& outScheme, nsAString& outBaseDomain,
int32_t& outPort,
bool& outForeignByAncestorContext);
};
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() = default;
explicit OriginAttributesPattern(
const OriginAttributesPatternDictionary& aOther)
: OriginAttributesPatternDictionary(aOther) {}
// Performs a match of |aAttrs| against this pattern.
bool Matches(const OriginAttributes& aAttrs) const {
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;
}
if (mGeckoViewSessionContextId.WasPassed() &&
mGeckoViewSessionContextId.Value() !=
aAttrs.mGeckoViewSessionContextId) {
return false;
}
// If both mPartitionKey and mPartitionKeyPattern are passed, mPartitionKey
// takes precedence.
if (mPartitionKey.WasPassed()) {
if (mPartitionKey.Value() != aAttrs.mPartitionKey) {
return false;
}
} else if (mPartitionKeyPattern.WasPassed()) {
auto& pkPattern = mPartitionKeyPattern.Value();
if (pkPattern.mScheme.WasPassed() || pkPattern.mBaseDomain.WasPassed() ||
pkPattern.mPort.WasPassed()) {
if (aAttrs.mPartitionKey.IsEmpty()) {
return false;
}
nsString scheme;
nsString baseDomain;
int32_t port;
bool ancestor;
bool success = OriginAttributes::ParsePartitionKey(
aAttrs.mPartitionKey, scheme, baseDomain, port, ancestor);
if (!success) {
return false;
}
if (pkPattern.mScheme.WasPassed() &&
pkPattern.mScheme.Value() != scheme) {
return false;
}
if (pkPattern.mBaseDomain.WasPassed() &&
pkPattern.mBaseDomain.Value() != baseDomain) {
return false;
}
if (pkPattern.mPort.WasPassed() && pkPattern.mPort.Value() != port) {
return false;
}
if (pkPattern.mForeignByAncestorContext.WasPassed() &&
pkPattern.mForeignByAncestorContext.Value() != ancestor) {
return false;
}
}
}
return true;
}
bool Overlaps(const OriginAttributesPattern& aOther) const {
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;
}
if (mGeckoViewSessionContextId.WasPassed() &&
aOther.mGeckoViewSessionContextId.WasPassed() &&
mGeckoViewSessionContextId.Value() !=
aOther.mGeckoViewSessionContextId.Value()) {
return false;
}
if (mPartitionKey.WasPassed() && aOther.mPartitionKey.WasPassed() &&
mPartitionKey.Value() != aOther.mPartitionKey.Value()) {
return false;
}
if (mPartitionKeyPattern.WasPassed() &&
aOther.mPartitionKeyPattern.WasPassed()) {
auto& self = mPartitionKeyPattern.Value();
auto& other = aOther.mPartitionKeyPattern.Value();
if (self.mScheme.WasPassed() && other.mScheme.WasPassed() &&
self.mScheme.Value() != other.mScheme.Value()) {
return false;
}
if (self.mBaseDomain.WasPassed() && other.mBaseDomain.WasPassed() &&
self.mBaseDomain.Value() != other.mBaseDomain.Value()) {
return false;
}
if (self.mPort.WasPassed() && other.mPort.WasPassed() &&
self.mPort.Value() != other.mPort.Value()) {
return false;
}
if (self.mForeignByAncestorContext.WasPassed() &&
other.mForeignByAncestorContext.WasPassed() &&
self.mForeignByAncestorContext.Value() !=
other.mForeignByAncestorContext.Value()) {
return false;
}
}
return true;
}
};
} // namespace mozilla
#endif /* mozilla_OriginAttributes_h */