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/*
* Copyright (C) 2006, 2007 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "ResourceResponse.h"
#if USE(CFNETWORK)
#include "HTTPParsers.h"
#include "MIMETypeRegistry.h"
#include <CFNetwork/CFURLResponsePriv.h>
#include <wtf/RetainPtr.h>
using namespace std;
// We would like a better value for a maximum time_t,
// but there is no way to do that in C with any certainty.
// INT_MAX should work well enough for our purposes.
#define MAX_TIME_T ((time_t)INT_MAX)
namespace WebCore {
static CFStringRef const commonHeaderFields[] = {
CFSTR("Age"), CFSTR("Cache-Control"), CFSTR("Content-Type"), CFSTR("Date"), CFSTR("Etag"), CFSTR("Expires"), CFSTR("Last-Modified"), CFSTR("Pragma")
};
static const int numCommonHeaderFields = sizeof(commonHeaderFields) / sizeof(CFStringRef);
CFURLResponseRef ResourceResponse::cfURLResponse() const
{
if (!m_cfResponse && !m_isNull) {
RetainPtr<CFURLRef> url = m_url.createCFURL();
// FIXME: This creates a very incomplete CFURLResponse, which does not even have a status code.
m_cfResponse = adoptCF(CFURLResponseCreate(0, url.get(), m_mimeType.createCFString().get(), m_expectedContentLength, m_textEncodingName.createCFString().get(), kCFURLCacheStorageAllowed));
}
return m_cfResponse.get();
}
static inline bool filenameHasSaneExtension(const String& filename)
{
int dot = filename.find('.');
// The dot can't be the first or last character in the filename.
int length = filename.length();
return dot > 0 && dot < length - 1;
}
static time_t toTimeT(CFAbsoluteTime time)
{
static const double maxTimeAsDouble = std::numeric_limits<time_t>::max();
static const double minTimeAsDouble = std::numeric_limits<time_t>::min();
return static_cast<time_t>(min(max(minTimeAsDouble, time + kCFAbsoluteTimeIntervalSince1970), maxTimeAsDouble));
}
void ResourceResponse::platformLazyInit(InitLevel initLevel)
{
if (m_initLevel > initLevel)
return;
if (m_isNull || !m_cfResponse.get())
return;
if (m_initLevel < CommonFieldsOnly && initLevel >= CommonFieldsOnly) {
m_url = CFURLResponseGetURL(m_cfResponse.get());
m_mimeType = CFURLResponseGetMIMEType(m_cfResponse.get());
m_expectedContentLength = CFURLResponseGetExpectedContentLength(m_cfResponse.get());
m_textEncodingName = CFURLResponseGetTextEncodingName(m_cfResponse.get());
// Workaround for <rdar://problem/8757088>, can be removed once that is fixed.
unsigned textEncodingNameLength = m_textEncodingName.length();
if (textEncodingNameLength >= 2 && m_textEncodingName[0U] == '"' && m_textEncodingName[textEncodingNameLength - 1] == '"')
m_textEncodingName = m_textEncodingName.substring(1, textEncodingNameLength - 2);
m_lastModifiedDate = toTimeT(CFURLResponseGetLastModifiedDate(m_cfResponse.get()));
CFHTTPMessageRef httpResponse = CFURLResponseGetHTTPResponse(m_cfResponse.get());
if (httpResponse) {
m_httpStatusCode = CFHTTPMessageGetResponseStatusCode(httpResponse);
RetainPtr<CFDictionaryRef> headers = adoptCF(CFHTTPMessageCopyAllHeaderFields(httpResponse));
for (int i = 0; i < numCommonHeaderFields; i++) {
CFStringRef value;
if (CFDictionaryGetValueIfPresent(headers.get(), commonHeaderFields[i], (const void **)&value))
m_httpHeaderFields.set(commonHeaderFields[i], value);
}
} else
m_httpStatusCode = 0;
}
if (m_initLevel < CommonAndUncommonFields && initLevel >= CommonAndUncommonFields) {
CFHTTPMessageRef httpResponse = CFURLResponseGetHTTPResponse(m_cfResponse.get());
if (httpResponse) {
RetainPtr<CFStringRef> statusLine = adoptCF(CFHTTPMessageCopyResponseStatusLine(httpResponse));
m_httpStatusText = extractReasonPhraseFromHTTPStatusLine(statusLine.get());
RetainPtr<CFDictionaryRef> headers = adoptCF(CFHTTPMessageCopyAllHeaderFields(httpResponse));
CFIndex headerCount = CFDictionaryGetCount(headers.get());
Vector<const void*, 128> keys(headerCount);
Vector<const void*, 128> values(headerCount);
CFDictionaryGetKeysAndValues(headers.get(), keys.data(), values.data());
for (int i = 0; i < headerCount; ++i)
m_httpHeaderFields.set((CFStringRef)keys[i], (CFStringRef)values[i]);
}
}
if (m_initLevel < AllFields && initLevel >= AllFields) {
RetainPtr<CFStringRef> suggestedFilename = adoptCF(CFURLResponseCopySuggestedFilename(m_cfResponse.get()));
m_suggestedFilename = suggestedFilename.get();
}
m_initLevel = initLevel;
}
bool ResourceResponse::platformCompare(const ResourceResponse& a, const ResourceResponse& b)
{
// CFEqual crashes if you pass it 0 so do an early check before calling it.
if (!a.cfURLResponse() || !b.cfURLResponse())
return a.cfURLResponse() == b.cfURLResponse();
return CFEqual(a.cfURLResponse(), b.cfURLResponse());
}
} // namespace WebCore
#endif // USE(CFNETWORK)
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