mirror of
https://github.com/mozilla/gecko-dev.git
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297 lines
10 KiB
C++
297 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 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 mozilla_OriginAttributes_h
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#define mozilla_OriginAttributes_h
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#include "mozilla/dom/ChromeUtilsBinding.h"
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#include "mozilla/StaticPrefs_privacy.h"
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#include "nsIScriptSecurityManager.h"
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namespace mozilla {
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class OriginAttributes : public dom::OriginAttributesDictionary {
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public:
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OriginAttributes() = default;
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explicit OriginAttributes(bool aInIsolatedMozBrowser) {
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mInIsolatedMozBrowser = aInIsolatedMozBrowser;
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}
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explicit OriginAttributes(const OriginAttributesDictionary& aOther)
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: OriginAttributesDictionary(aOther) {}
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void SetFirstPartyDomain(const bool aIsTopLevelDocument, nsIURI* aURI,
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bool aForced = false);
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void SetFirstPartyDomain(const bool aIsTopLevelDocument,
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const nsACString& aDomain);
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void SetFirstPartyDomain(const bool aIsTopLevelDocument,
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const nsAString& aDomain, bool aForced = false);
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void SetPartitionKey(nsIURI* aURI);
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void SetPartitionKey(const nsACString& aDomain);
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void SetPartitionKey(const nsAString& aDomain);
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enum {
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STRIP_FIRST_PARTY_DOMAIN = 0x01,
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STRIP_USER_CONTEXT_ID = 0x02,
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STRIP_PRIVATE_BROWSING_ID = 0x04,
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STRIP_PARITION_KEY = 0x08,
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};
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inline void StripAttributes(uint32_t aFlags) {
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if (aFlags & STRIP_FIRST_PARTY_DOMAIN) {
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mFirstPartyDomain.Truncate();
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}
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if (aFlags & STRIP_USER_CONTEXT_ID) {
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mUserContextId = nsIScriptSecurityManager::DEFAULT_USER_CONTEXT_ID;
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}
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if (aFlags & STRIP_PRIVATE_BROWSING_ID) {
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mPrivateBrowsingId =
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nsIScriptSecurityManager::DEFAULT_PRIVATE_BROWSING_ID;
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}
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if (aFlags & STRIP_PARITION_KEY) {
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mPartitionKey.Truncate();
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}
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}
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bool operator==(const OriginAttributes& aOther) const {
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return EqualsIgnoringFPD(aOther) &&
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mFirstPartyDomain == aOther.mFirstPartyDomain &&
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// FIXME(emilio, bug 1667440): Should this be part of
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// EqualsIgnoringFPD instead?
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mPartitionKey == aOther.mPartitionKey;
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}
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bool operator!=(const OriginAttributes& aOther) const {
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return !(*this == aOther);
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}
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[[nodiscard]] bool EqualsIgnoringFPD(const OriginAttributes& aOther) const {
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return mInIsolatedMozBrowser == aOther.mInIsolatedMozBrowser &&
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mUserContextId == aOther.mUserContextId &&
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mPrivateBrowsingId == aOther.mPrivateBrowsingId &&
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mGeckoViewSessionContextId == aOther.mGeckoViewSessionContextId;
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}
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[[nodiscard]] bool EqualsIgnoringPartitionKey(
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const OriginAttributes& aOther) const {
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return EqualsIgnoringFPD(aOther) &&
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mFirstPartyDomain == aOther.mFirstPartyDomain;
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}
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// Serializes/Deserializes non-default values into the suffix format, i.e.
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// |^key1=value1&key2=value2|. If there are no non-default attributes, this
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// returns an empty string.
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void CreateSuffix(nsACString& aStr) const;
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// Like CreateSuffix, but returns an atom instead of producing a string.
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already_AddRefed<nsAtom> CreateSuffixAtom() const;
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// Don't use this method for anything else than debugging!
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void CreateAnonymizedSuffix(nsACString& aStr) const;
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[[nodiscard]] bool PopulateFromSuffix(const nsACString& aStr);
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// Populates the attributes from a string like
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// |uri^key1=value1&key2=value2| and returns the uri without the suffix.
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[[nodiscard]] bool PopulateFromOrigin(const nsACString& aOrigin,
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nsACString& aOriginNoSuffix);
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// Helper function to match mIsPrivateBrowsing to existing private browsing
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// flags. Once all other flags are removed, this can be removed too.
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void SyncAttributesWithPrivateBrowsing(bool aInPrivateBrowsing);
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// check if "privacy.firstparty.isolate" is enabled.
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static inline bool IsFirstPartyEnabled() {
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return StaticPrefs::privacy_firstparty_isolate();
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}
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static inline bool UseSiteForFirstPartyDomain() {
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if (IsFirstPartyEnabled()) {
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return StaticPrefs::privacy_firstparty_isolate_use_site();
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}
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return StaticPrefs::privacy_dynamic_firstparty_use_site();
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}
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// check if the access of window.opener across different FPDs is restricted.
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// We only restrict the access of window.opener when first party isolation
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// is enabled and "privacy.firstparty.isolate.restrict_opener_access" is on.
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static inline bool IsRestrictOpenerAccessForFPI() {
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// We always want to restrict window.opener if first party isolation is
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// disabled.
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return !StaticPrefs::privacy_firstparty_isolate() ||
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StaticPrefs::privacy_firstparty_isolate_restrict_opener_access();
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}
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// Check whether we block the postMessage across different FPDs when the
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// targetOrigin is '*'.
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[[nodiscard]] static inline bool IsBlockPostMessageForFPI() {
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return StaticPrefs::privacy_firstparty_isolate() &&
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StaticPrefs::privacy_firstparty_isolate_block_post_message();
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}
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// returns true if the originAttributes suffix has mPrivateBrowsingId value
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// different than 0.
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static bool IsPrivateBrowsing(const nsACString& aOrigin);
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// Parse a partitionKey of the format "(<scheme>,<baseDomain>,[port])" into
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// its components.
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// Returns false if the partitionKey cannot be parsed because the format is
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// invalid.
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static bool ParsePartitionKey(const nsAString& aPartitionKey,
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nsAString& outScheme, nsAString& outBaseDomain,
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int32_t& outPort);
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};
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class OriginAttributesPattern : public dom::OriginAttributesPatternDictionary {
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public:
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// To convert a JSON string to an OriginAttributesPattern, do the following:
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//
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// OriginAttributesPattern pattern;
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// if (!pattern.Init(aJSONString)) {
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// ... // handle failure.
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// }
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OriginAttributesPattern() = default;
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explicit OriginAttributesPattern(
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const OriginAttributesPatternDictionary& aOther)
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: OriginAttributesPatternDictionary(aOther) {}
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// Performs a match of |aAttrs| against this pattern.
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bool Matches(const OriginAttributes& aAttrs) const {
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if (mInIsolatedMozBrowser.WasPassed() &&
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mInIsolatedMozBrowser.Value() != aAttrs.mInIsolatedMozBrowser) {
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return false;
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}
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if (mUserContextId.WasPassed() &&
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mUserContextId.Value() != aAttrs.mUserContextId) {
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return false;
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}
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if (mPrivateBrowsingId.WasPassed() &&
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mPrivateBrowsingId.Value() != aAttrs.mPrivateBrowsingId) {
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return false;
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}
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if (mFirstPartyDomain.WasPassed() &&
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mFirstPartyDomain.Value() != aAttrs.mFirstPartyDomain) {
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return false;
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}
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if (mGeckoViewSessionContextId.WasPassed() &&
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mGeckoViewSessionContextId.Value() !=
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aAttrs.mGeckoViewSessionContextId) {
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return false;
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}
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// If both mPartitionKey and mPartitionKeyPattern are passed, mPartitionKey
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// takes precedence.
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if (mPartitionKey.WasPassed()) {
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if (mPartitionKey.Value() != aAttrs.mPartitionKey) {
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return false;
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}
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} else if (mPartitionKeyPattern.WasPassed()) {
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auto& pkPattern = mPartitionKeyPattern.Value();
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if (pkPattern.mScheme.WasPassed() || pkPattern.mBaseDomain.WasPassed() ||
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pkPattern.mPort.WasPassed()) {
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if (aAttrs.mPartitionKey.IsEmpty()) {
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return false;
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}
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nsString scheme;
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nsString baseDomain;
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int32_t port;
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bool success = OriginAttributes::ParsePartitionKey(
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aAttrs.mPartitionKey, scheme, baseDomain, port);
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if (!success) {
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return false;
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}
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if (pkPattern.mScheme.WasPassed() &&
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pkPattern.mScheme.Value() != scheme) {
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return false;
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}
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if (pkPattern.mBaseDomain.WasPassed() &&
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pkPattern.mBaseDomain.Value() != baseDomain) {
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return false;
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}
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if (pkPattern.mPort.WasPassed() && pkPattern.mPort.Value() != port) {
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return false;
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}
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}
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}
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return true;
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}
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bool Overlaps(const OriginAttributesPattern& aOther) const {
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if (mInIsolatedMozBrowser.WasPassed() &&
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aOther.mInIsolatedMozBrowser.WasPassed() &&
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mInIsolatedMozBrowser.Value() != aOther.mInIsolatedMozBrowser.Value()) {
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return false;
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}
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if (mUserContextId.WasPassed() && aOther.mUserContextId.WasPassed() &&
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mUserContextId.Value() != aOther.mUserContextId.Value()) {
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return false;
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}
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if (mPrivateBrowsingId.WasPassed() &&
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aOther.mPrivateBrowsingId.WasPassed() &&
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mPrivateBrowsingId.Value() != aOther.mPrivateBrowsingId.Value()) {
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return false;
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}
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if (mFirstPartyDomain.WasPassed() && aOther.mFirstPartyDomain.WasPassed() &&
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mFirstPartyDomain.Value() != aOther.mFirstPartyDomain.Value()) {
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return false;
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}
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if (mGeckoViewSessionContextId.WasPassed() &&
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aOther.mGeckoViewSessionContextId.WasPassed() &&
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mGeckoViewSessionContextId.Value() !=
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aOther.mGeckoViewSessionContextId.Value()) {
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return false;
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}
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if (mPartitionKey.WasPassed() && aOther.mPartitionKey.WasPassed() &&
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mPartitionKey.Value() != aOther.mPartitionKey.Value()) {
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return false;
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}
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if (mPartitionKeyPattern.WasPassed() &&
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aOther.mPartitionKeyPattern.WasPassed()) {
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auto& self = mPartitionKeyPattern.Value();
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auto& other = aOther.mPartitionKeyPattern.Value();
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if (self.mScheme.WasPassed() && other.mScheme.WasPassed() &&
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self.mScheme.Value() != other.mScheme.Value()) {
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return false;
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}
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if (self.mBaseDomain.WasPassed() && other.mBaseDomain.WasPassed() &&
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self.mBaseDomain.Value() != other.mBaseDomain.Value()) {
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return false;
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}
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if (self.mPort.WasPassed() && other.mPort.WasPassed() &&
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self.mPort.Value() != other.mPort.Value()) {
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return false;
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}
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}
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return true;
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}
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};
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} // namespace mozilla
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#endif /* mozilla_OriginAttributes_h */
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