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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "UUID.h"
#include "NotImplemented.h"
#if PLATFORM(QT)
#include <QUuid>
#endif
#if OS(WINDOWS)
#include <objbase.h>
#ifndef ARRAYSIZE
#define ARRAYSIZE(a) (sizeof(a) / sizeof((a)[0]))
#endif
#elif OS(DARWIN)
#include <CoreFoundation/CoreFoundation.h>
#elif OS(LINUX)
#include <stdio.h>
#endif
namespace WebCore {
static const char uuidVersionRequired = '4';
static const int uuidVersionIdentifierIndex = 14;
String createCanonicalUUIDString()
{
#if PLATFORM(QT)
QUuid uuid = QUuid::createUuid();
String canonicalUuidStr = uuid.toString().mid(1, 36).toLower(); // remove opening and closing bracket and make it lower.
ASSERT(canonicalUuidStr[uuidVersionIdentifierIndex] == uuidVersionRequired);
return canonicalUuidStr;
#elif OS(WINDOWS)
GUID uuid = { 0 };
HRESULT hr = CoCreateGuid(&uuid);
if (FAILED(hr))
return String();
wchar_t uuidStr[40];
int num = StringFromGUID2(uuid, reinterpret_cast<LPOLESTR>(uuidStr), ARRAYSIZE(uuidStr));
ASSERT(num == 39);
String canonicalUuidStr = String(uuidStr + 1, num - 3).lower(); // remove opening and closing bracket and make it lower.
ASSERT(canonicalUuidStr[uuidVersionIdentifierIndex] == uuidVersionRequired);
return canonicalUuidStr;
#elif OS(DARWIN)
CFUUIDRef uuid = CFUUIDCreate(0);
CFStringRef uuidStrRef = CFUUIDCreateString(0, uuid);
String uuidStr(uuidStrRef);
CFRelease(uuidStrRef);
CFRelease(uuid);
String canonicalUuidStr = uuidStr.lower(); // make it lower.
ASSERT(canonicalUuidStr[uuidVersionIdentifierIndex] == uuidVersionRequired);
return canonicalUuidStr;
#elif OS(LINUX)
FILE* fptr = fopen("/proc/sys/kernel/random/uuid", "r");
if (!fptr)
return String();
char uuidStr[37] = {0};
if (!fgets(uuidStr, sizeof(uuidStr) - 1, fptr))
return String();
fclose(fptr);
String canonicalUuidStr = String(uuidStr).lower(); // make it lower.
ASSERT(canonicalUuidStr[uuidVersionIdentifierIndex] == uuidVersionRequired);
return canonicalUuidStr;
#else
notImplemented();
return String();
#endif
}
}
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