net: extract net/cert out of net/base

net/base/cert_database_openssl.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "net/base/cert_database.h"
-
-#include <openssl/x509.h>
-
-#include "base/logging.h"
-#include "base/observer_list_threadsafe.h"
-#include "crypto/openssl_util.h"
-#include "net/base/crypto_module.h"
-#include "net/base/net_errors.h"
-#include "net/base/openssl_private_key_store.h"
-#include "net/base/x509_certificate.h"
-
-namespace net {
-
-CertDatabase::CertDatabase()
-    : observer_list_(new ObserverListThreadSafe<Observer>) {
-}
-
-CertDatabase::~CertDatabase() {}
-
-// This method is used to check a client certificate before trying to
-// install it on the system, which will happen later by calling
-// AddUserCert() below.
-//
-// On the Linux/OpenSSL build, there is simply no system keystore, but
-// OpenSSLPrivateKeyStore() implements a small in-memory store for
-// (public/private) key pairs generated through keygen.
-//
-// Try to check for a private key in the in-memory store to check
-// for the case when the browser is trying to install a server-generated
-// certificate from a <keygen> exchange.
-int CertDatabase::CheckUserCert(X509Certificate* cert) {
-  if (!cert)
-    return ERR_CERT_INVALID;
-  if (cert->HasExpired())
-    return ERR_CERT_DATE_INVALID;
-
-  // X509_PUBKEY_get() transfers ownership, not X509_get_X509_PUBKEY()
-  crypto::ScopedOpenSSL<EVP_PKEY, EVP_PKEY_free> public_key(
-      X509_PUBKEY_get(X509_get_X509_PUBKEY(cert->os_cert_handle())));
-
-  if (!OpenSSLPrivateKeyStore::HasPrivateKey(public_key.get()))
-    return ERR_NO_PRIVATE_KEY_FOR_CERT;
-
-  return OK;
-}
-
-int CertDatabase::AddUserCert(X509Certificate* cert) {
-  // There is no certificate store on the Linux/OpenSSL build.
-  NOTIMPLEMENTED();
-  return ERR_NOT_IMPLEMENTED;
-}
-
-}  // namespace net