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/* -*- 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 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_ISUPPORTS
NS_DECL_NSICOOKIE
private:
// for internal use only. see Cookie::Create().
Cookie(const CookieStruct& aCookieData,
const OriginAttributes& aOriginAttributes)
: mData(aCookieData), mOriginAttributes(aOriginAttributes) {}
static already_AddRefed<Cookie> FromCookieStruct(
const CookieStruct& aCookieData,
const OriginAttributes& aOriginAttributes);
public:
// Returns false if rawSameSite has an invalid value, compared to sameSite.
static bool ValidateSameSite(const CookieStruct& aCookieData);
// Generate a unique and monotonically increasing creation time. See comment
// in Cookie.cpp.
static int64_t GenerateUniqueCreationTime(int64_t aCreationTime);
// 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 lastAccessed and creationDates
// 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(); }
const nsCString& GetFilePath();
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(); }
inline bool IsDefaultSameSite() const {
return SameSite() == nsICookie::SAMESITE_LAX &&
RawSameSite() == nsICookie::SAMESITE_NONE;
}
inline uint8_t SchemeMap() const { return mData.schemeMap(); }
// 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; }
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 SetCreationTime(int64_t aTime) { mData.creationTime() = aTime; }
inline void SetSchemeMap(uint8_t aSchemeMap) {
mData.schemeMap() = aSchemeMap;
}
inline void SetHost(const nsACString& aHost) { mData.host() = aHost; }
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;
nsCString mFilePathCache;
};
// Comparator class for sorting cookies before sending to a server.
class CompareCookiesForSending {
public:
bool Equals(const Cookie* aCookie1, const Cookie* aCookie2) const {
return aCookie1->CreationTime() == aCookie2->CreationTime() &&
aCookie2->Path().Length() == aCookie1->Path().Length();
}
bool LessThan(const Cookie* aCookie1, const Cookie* 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();
}
};
} // namespace net
} // namespace mozilla
#endif // mozilla_net_Cookie_h
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