/* 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_net_Cookie_h
#define mozilla_net_Cookie_h
#include "nsICookie.h"
#include "nsIMemoryReporter.h"
#include "nsString.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/BasePrincipal.h"
#include "mozilla/net/NeckoChannelParams.h"
#include "nsIMemoryReporter.h"
using mozilla::OriginAttributes;
namespace mozilla {
namespace net {
/**
* The Cookie class is the main cookie storage medium for use within cookie
* code.
*/
/******************************************************************************
* Cookie:
* implementation
******************************************************************************/
class Cookie final : public nsICookie {
MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf)
public:
// nsISupports
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSICOOKIE
static Cookie* Cast(nsICookie* aCookie) {
return static_cast<Cookie*>(aCookie);
}
static const Cookie* Cast(
const nsICookie* aCookie) {
return static_cast<
const Cookie*>(aCookie);
}
private:
// for internal use only. see Cookie::Create().
Cookie(
const CookieStruct& aCookieData,
const OriginAttributes& aOriginAttributes);
static already_AddRefed<Cookie> FromCookieStruct(
const CookieStruct& aCookieData,
const OriginAttributes& aOriginAttributes);
public:
// Generate a unique and monotonically increasing creation time. See comment
// in Cookie.cpp.
static int64_t GenerateUniqueCreationTimeInUSec(int64_t aCreationTimeInUSec);
static uint32_t ComputeKeyHash(
const nsACString& aName,
const nsACString& aHost,
const nsACString& aPath);
// public helper to create an Cookie object.
static already_AddRefed<Cookie> Create(
const CookieStruct& aCookieData,
const OriginAttributes& aOriginAttributes);
// Same as Cookie::Create but fixes the last accessed and creation time
// attributes if they are set in the future. Should only get called from
// CookiePersistentStorage::InitDBConn
static already_AddRefed<Cookie> CreateValidated(
const CookieStruct& aCookieData,
const OriginAttributes& aOriginAttributes);
size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
const;
// fast (inline, non-xpcom) getters
inline const nsCString& Name()
const {
return mData.name(); }
inline const nsCString& Value()
const {
return mData.value(); }
inline const nsCString& Host()
const {
return mData.host(); }
inline nsDependentCSubstring RawHost()
const {
return nsDependentCSubstring(mData.host(), IsDomain() ?
1 :
0);
}
inline const nsCString& Path()
const {
return mData.path(); }
inline int64_t ExpiryInMSec()
const {
return mData.expiryInMSec(); }
inline int64_t LastAccessedInUSec()
const {
return mData.lastAccessedInUSec();
}
inline int64_t CreationTimeInUSec()
const {
return mData.creationTimeInUSec();
}
inline int64_t UpdateTimeInUSec()
const {
return mData.updateTimeInUSec(); }
inline bool IsSession()
const {
return mData.isSession(); }
inline bool IsDomain()
const {
return *mData.host().get() ==
'.'; }
inline bool IsSecure()
const {
return mData.isSecure(); }
inline bool IsHttpOnly()
const {
return mData.isHttpOnly(); }
inline bool IsPartitioned()
const {
return !mOriginAttributes.mPartitionKey.IsEmpty();
}
inline bool RawIsPartitioned()
const {
return mData.isPartitioned(); }
inline const OriginAttributes& OriginAttributesRef()
const {
return mOriginAttributes;
}
inline int32_t SameSite()
const {
return mData.sameSite(); }
inline uint8_t SchemeMap()
const {
return mData.schemeMap(); }
// setters
inline void SetExpiryInMSec(int64_t aExpiryInMSec) {
mData.expiryInMSec() = aExpiryInMSec;
}
inline void SetLastAccessedInUSec(int64_t aTimeInUSec) {
mData.lastAccessedInUSec() = aTimeInUSec;
}
inline void SetIsSession(
bool aIsSession) { mData.isSession() = aIsSession; }
inline bool SetIsHttpOnly(
bool aIsHttpOnly) {
return mData.isHttpOnly() = aIsHttpOnly;
}
// Set the creation time manually, overriding the monotonicity checks in
// Create(). Use with caution!
inline void SetCreationTimeInUSec(int64_t aTimeInUSec) {
mData.creationTimeInUSec() = aTimeInUSec;
}
inline void SetUpdateTimeInUSec(int64_t aTimeInUSec) {
mData.updateTimeInUSec() = aTimeInUSec;
}
inline void SetSchemeMap(uint8_t aSchemeMap) {
mData.schemeMap() = aSchemeMap;
}
inline void SetSameSite(int32_t aSameSite) { mData.sameSite() = aSameSite; }
inline void SetHost(
const nsACString& aHost) {
mData.host() = aHost;
mKeyHash = ComputeKeyHash(mData.name(), mData.host(), mData.path());
}
inline uint32_t KeyHash()
const {
return mKeyHash; }
uint32_t NameAndValueBytes() {
return mData.name().Length() + mData.value().Length();
}
bool IsStale()
const;
const CookieStruct& ToIPC()
const {
return mData; }
already_AddRefed<Cookie> Clone()
const;
protected:
virtual ~Cookie() =
default;
private:
// member variables
//
// Please update SizeOfIncludingThis if this strategy changes.
CookieStruct mData;
OriginAttributes mOriginAttributes;
uint32_t mKeyHash{
0};
};
// Comparator class for sorting cookies before sending to a server.
class CompareCookiesForSending {
public:
bool Equals(
const nsICookie* aCookie1,
const nsICookie* aCookie2)
const {
return Cookie::Cast(aCookie1)->CreationTimeInUSec() ==
Cookie::Cast(aCookie2)->CreationTimeInUSec() &&
Cookie::Cast(aCookie2)->Path().Length() ==
Cookie::Cast(aCookie1)->Path().Length();
}
bool LessThan(
const nsICookie* aCookie1,
const nsICookie* aCookie2)
const {
// compare by cookie path length in accordance with RFC2109
int32_t result = Cookie::Cast(aCookie2)->Path().Length() -
Cookie::Cast(aCookie1)->Path().Length();
if (result !=
0)
return result <
0;
// when path lengths match, older cookies should be listed first. this is
// required for backwards compatibility since some websites erroneously
// depend on receiving cookies in the order in which they were sent to the
// browser! see bug 236772.
return Cookie::Cast(aCookie1)->CreationTimeInUSec() <
Cookie::Cast(aCookie2)->CreationTimeInUSec();
}
};
}
// namespace net
}
// namespace mozilla
#endif // mozilla_net_Cookie_h