gecko-dev/netwerk/cookie/nsCookie.h

134 строки
5.0 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 nsCookie_h__
#define nsCookie_h__
#include "nsICookie.h"
#include "nsString.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/BasePrincipal.h"
#include "mozilla/net/NeckoChannelParams.h"
using mozilla::OriginAttributes;
/**
* The nsCookie class is the main cookie storage medium for use within cookie
* code.
*/
/******************************************************************************
* nsCookie:
* implementation
******************************************************************************/
class nsCookie final : public nsICookie {
MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf)
public:
// nsISupports
NS_DECL_ISUPPORTS
NS_DECL_NSICOOKIE
private:
// for internal use only. see nsCookie::Create().
nsCookie(const mozilla::net::CookieStruct& aCookieData,
const OriginAttributes& aOriginAttributes)
: mData(aCookieData), mOriginAttributes(aOriginAttributes) {}
public:
// Returns false if rawSameSite has an invalid value, compared to sameSite.
static bool ValidateRawSame(const mozilla::net::CookieStruct& aCookieData);
// Generate a unique and monotonically increasing creation time. See comment
// in nsCookie.cpp.
static int64_t GenerateUniqueCreationTime(int64_t aCreationTime);
// public helper to create an nsCookie object.
static already_AddRefed<nsCookie> Create(
const nsACString& aName, const nsACString& aValue,
const nsACString& aHost, const nsACString& aPath, int64_t aExpiry,
int64_t aLastAccessed, int64_t aCreationTime, bool aIsSession,
bool aIsSecure, bool aIsHttpOnly,
const OriginAttributes& aOriginAttributes, int32_t aSameSite,
int32_t aRawSameSite);
static already_AddRefed<nsCookie> Create(
const mozilla::net::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 Expiry() const { return mData.expiry(); } // in seconds
inline int64_t LastAccessed() const {
return mData.lastAccessed();
} // in microseconds
inline int64_t CreationTime() const {
return mData.creationTime();
} // in microseconds
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 const OriginAttributes& OriginAttributesRef() const {
return mOriginAttributes;
}
inline int32_t SameSite() const { return mData.sameSite(); }
inline int32_t RawSameSite() const { return mData.rawSameSite(); }
// setters
inline void SetExpiry(int64_t aExpiry) { mData.expiry() = aExpiry; }
inline void SetLastAccessed(int64_t aTime) { mData.lastAccessed() = aTime; }
inline void SetIsSession(bool aIsSession) { mData.isSession() = aIsSession; }
// Set the creation time manually, overriding the monotonicity checks in
// Create(). Use with caution!
inline void SetCreationTime(int64_t aTime) { mData.creationTime() = aTime; }
bool IsStale() const;
const mozilla::net::CookieStruct& ToIPC() const { return mData; }
protected:
virtual ~nsCookie() = default;
private:
// member variables
//
// Please update SizeOfIncludingThis if this strategy changes.
mozilla::net::CookieStruct mData;
mozilla::OriginAttributes mOriginAttributes;
};
// Comparator class for sorting cookies before sending to a server.
class CompareCookiesForSending {
public:
bool Equals(const nsCookie* aCookie1, const nsCookie* aCookie2) const {
return aCookie1->CreationTime() == aCookie2->CreationTime() &&
aCookie2->Path().Length() == aCookie1->Path().Length();
}
bool LessThan(const nsCookie* aCookie1, const nsCookie* aCookie2) const {
// compare by cookie path length in accordance with RFC2109
int32_t result = aCookie2->Path().Length() - 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 aCookie1->CreationTime() < aCookie2->CreationTime();
}
};
#endif // nsCookie_h__