зеркало из https://github.com/mozilla/gecko-dev.git
142 строки
6.1 KiB
C++
142 строки
6.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* 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/. */
|
|
|
|
#include "nsCookie.h"
|
|
#include <stdlib.h>
|
|
|
|
/******************************************************************************
|
|
* nsCookie:
|
|
* string helper impl
|
|
******************************************************************************/
|
|
|
|
// copy aSource strings into contiguous storage provided in aDest1,
|
|
// providing terminating nulls for each destination string.
|
|
static inline void
|
|
StrBlockCopy(const nsACString &aSource1,
|
|
const nsACString &aSource2,
|
|
const nsACString &aSource3,
|
|
const nsACString &aSource4,
|
|
char *&aDest1,
|
|
char *&aDest2,
|
|
char *&aDest3,
|
|
char *&aDest4,
|
|
char *&aDestEnd)
|
|
{
|
|
char *toBegin = aDest1;
|
|
nsACString::const_iterator fromBegin, fromEnd;
|
|
|
|
*copy_string(aSource1.BeginReading(fromBegin), aSource1.EndReading(fromEnd), toBegin) = char(0);
|
|
aDest2 = ++toBegin;
|
|
*copy_string(aSource2.BeginReading(fromBegin), aSource2.EndReading(fromEnd), toBegin) = char(0);
|
|
aDest3 = ++toBegin;
|
|
*copy_string(aSource3.BeginReading(fromBegin), aSource3.EndReading(fromEnd), toBegin) = char(0);
|
|
aDest4 = ++toBegin;
|
|
*copy_string(aSource4.BeginReading(fromBegin), aSource4.EndReading(fromEnd), toBegin) = char(0);
|
|
aDestEnd = toBegin;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* nsCookie:
|
|
* creation helper
|
|
******************************************************************************/
|
|
|
|
// This is a counter that keeps track of the last used creation time, each time
|
|
// we create a new nsCookie. This is nominally the time (in microseconds) the
|
|
// cookie was created, but is guaranteed to be monotonically increasing for
|
|
// cookies added at runtime after the database has been read in. This is
|
|
// necessary to enforce ordering among cookies whose creation times would
|
|
// otherwise overlap, since it's possible two cookies may be created at the same
|
|
// time, or that the system clock isn't monotonic.
|
|
static int64_t gLastCreationTime;
|
|
|
|
int64_t
|
|
nsCookie::GenerateUniqueCreationTime(int64_t aCreationTime)
|
|
{
|
|
// Check if the creation time given to us is greater than the running maximum
|
|
// (it should always be monotonically increasing).
|
|
if (aCreationTime > gLastCreationTime) {
|
|
gLastCreationTime = aCreationTime;
|
|
return aCreationTime;
|
|
}
|
|
|
|
// Make up our own.
|
|
return ++gLastCreationTime;
|
|
}
|
|
|
|
nsCookie *
|
|
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)
|
|
{
|
|
// find the required string buffer size, adding 4 for the terminating nulls
|
|
const uint32_t stringLength = aName.Length() + aValue.Length() +
|
|
aHost.Length() + aPath.Length() + 4;
|
|
|
|
// allocate contiguous space for the nsCookie and its strings -
|
|
// we store the strings in-line with the nsCookie to save allocations
|
|
void *place = ::operator new(sizeof(nsCookie) + stringLength);
|
|
if (!place)
|
|
return nullptr;
|
|
|
|
// assign string members
|
|
char *name, *value, *host, *path, *end;
|
|
name = static_cast<char *>(place) + sizeof(nsCookie);
|
|
StrBlockCopy(aName, aValue, aHost, aPath,
|
|
name, value, host, path, end);
|
|
|
|
// If the creationTime given to us is higher than the running maximum, update
|
|
// our maximum.
|
|
if (aCreationTime > gLastCreationTime)
|
|
gLastCreationTime = aCreationTime;
|
|
|
|
// construct the cookie. placement new, oh yeah!
|
|
return new (place) nsCookie(name, value, host, path, end,
|
|
aExpiry, aLastAccessed, aCreationTime,
|
|
aIsSession, aIsSecure, aIsHttpOnly);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* nsCookie:
|
|
* xpcom impl
|
|
******************************************************************************/
|
|
|
|
// xpcom getters
|
|
NS_IMETHODIMP nsCookie::GetName(nsACString &aName) { aName = Name(); return NS_OK; }
|
|
NS_IMETHODIMP nsCookie::GetValue(nsACString &aValue) { aValue = Value(); return NS_OK; }
|
|
NS_IMETHODIMP nsCookie::GetHost(nsACString &aHost) { aHost = Host(); return NS_OK; }
|
|
NS_IMETHODIMP nsCookie::GetRawHost(nsACString &aHost) { aHost = RawHost(); return NS_OK; }
|
|
NS_IMETHODIMP nsCookie::GetPath(nsACString &aPath) { aPath = Path(); return NS_OK; }
|
|
NS_IMETHODIMP nsCookie::GetExpiry(int64_t *aExpiry) { *aExpiry = Expiry(); return NS_OK; }
|
|
NS_IMETHODIMP nsCookie::GetIsSession(bool *aIsSession) { *aIsSession = IsSession(); return NS_OK; }
|
|
NS_IMETHODIMP nsCookie::GetIsDomain(bool *aIsDomain) { *aIsDomain = IsDomain(); return NS_OK; }
|
|
NS_IMETHODIMP nsCookie::GetIsSecure(bool *aIsSecure) { *aIsSecure = IsSecure(); return NS_OK; }
|
|
NS_IMETHODIMP nsCookie::GetIsHttpOnly(bool *aHttpOnly) { *aHttpOnly = IsHttpOnly(); return NS_OK; }
|
|
NS_IMETHODIMP nsCookie::GetStatus(nsCookieStatus *aStatus) { *aStatus = 0; return NS_OK; }
|
|
NS_IMETHODIMP nsCookie::GetPolicy(nsCookiePolicy *aPolicy) { *aPolicy = 0; return NS_OK; }
|
|
NS_IMETHODIMP nsCookie::GetCreationTime(int64_t *aCreation){ *aCreation = CreationTime(); return NS_OK; }
|
|
NS_IMETHODIMP nsCookie::GetLastAccessed(int64_t *aTime) { *aTime = LastAccessed(); return NS_OK; }
|
|
|
|
// compatibility method, for use with the legacy nsICookie interface.
|
|
// here, expires == 0 denotes a session cookie.
|
|
NS_IMETHODIMP
|
|
nsCookie::GetExpires(uint64_t *aExpires)
|
|
{
|
|
if (IsSession()) {
|
|
*aExpires = 0;
|
|
} else {
|
|
*aExpires = Expiry() > 0 ? Expiry() : 1;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS2(nsCookie, nsICookie2, nsICookie)
|