AuthenticationManager.mac.mm [plain text]
/*
* Copyright (C) 2011 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 INC. AND ITS 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 APPLE INC. OR ITS 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 "AuthenticationManager.h"
#if HAVE(SEC_IDENTITY)
#include <Security/SecIdentity.h>
#include <WebCore/AuthenticationChallenge.h>
#include <WebCore/CertificateInfo.h>
#include <WebCore/NotImplemented.h>
#include <wtf/cf/TypeCastsCF.h>
WTF_DECLARE_CF_TYPE_TRAIT(SecCertificate);
using namespace WebCore;
namespace WebKit {
static SecCertificateRef leafCertificate(const CertificateInfo& certificateInfo)
{
#if HAVE(SEC_TRUST_SERIALIZATION)
if (certificateInfo.type() == CertificateInfo::Type::Trust)
return SecTrustGetCertificateAtIndex(certificateInfo.trust(), 0);
#endif
ASSERT(certificateInfo.type() == CertificateInfo::Type::CertificateChain);
ASSERT(CFArrayGetCount(certificateInfo.certificateChain()));
return checked_cf_cast<SecCertificateRef>(CFArrayGetValueAtIndex(certificateInfo.certificateChain(), 0));
}
static NSArray *chain(const CertificateInfo& certificateInfo)
{
#if HAVE(SEC_TRUST_SERIALIZATION)
if (certificateInfo.type() == CertificateInfo::Type::Trust) {
CFIndex count = SecTrustGetCertificateCount(certificateInfo.trust());
if (count < 2)
return nil;
NSMutableArray *array = [NSMutableArray array];
for (CFIndex i = 1; i < count; ++i)
[array addObject:(id)SecTrustGetCertificateAtIndex(certificateInfo.trust(), i)];
return array;
}
#endif
ASSERT(certificateInfo.type() == CertificateInfo::Type::CertificateChain);
CFIndex chainCount = CFArrayGetCount(certificateInfo.certificateChain());
return chainCount > 1 ? [(NSArray *)certificateInfo.certificateChain() subarrayWithRange:NSMakeRange(1, chainCount - 1)] : nil;
}
// FIXME: This function creates an identity from a certificate, which should not be needed. We should pass an identity over IPC (as we do on iOS).
bool AuthenticationManager::tryUseCertificateInfoForChallenge(const AuthenticationChallenge& challenge, const CertificateInfo& certificateInfo, ChallengeCompletionHandler& completionHandler)
{
if (certificateInfo.isEmpty())
return false;
// The passed-in certificate chain includes the identity certificate at index 0, and additional certificates starting at index 1.
SecIdentityRef identity;
OSStatus result = SecIdentityCreateWithCertificate(NULL, leafCertificate(certificateInfo), &identity);
if (result != errSecSuccess) {
LOG_ERROR("Unable to create SecIdentityRef with certificate - %i", result);
if (completionHandler)
completionHandler(AuthenticationChallengeDisposition::Cancel, { });
else
[challenge.sender() cancelAuthenticationChallenge:challenge.nsURLAuthenticationChallenge()];
return true;
}
NSURLCredential *credential = [NSURLCredential credentialWithIdentity:identity certificates:chain(certificateInfo) persistence:NSURLCredentialPersistenceNone];
if (completionHandler)
completionHandler(AuthenticationChallengeDisposition::UseCredential, Credential(credential));
else
[challenge.sender() useCredential:credential forAuthenticationChallenge:challenge.nsURLAuthenticationChallenge()];
return true;
}
} // namespace WebKit
#endif // HAVE(SEC_IDENTITY)