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// 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 "base/memory/ref_counted.h"
#include "content/common/content_export.h"
namespace net {
class X509Certificate;
namespace content {
// The purpose of the cert store is to provide an easy way to store/retrieve
// X509Certificate objects. When stored, an X509Certificate object is
// associated with a RenderProcessHost. If all the RenderProcessHosts
// associated with the cert have exited, the cert is removed from the store.
// This class is used by the SSLManager to keep track of the certs associated
// to loaded resources.
// It can be accessed from the UI and IO threads (it is thread-safe).
// Note that the cert ids will overflow if we register more than 2^32 - 1 certs
// in 1 browsing session (which is highly unlikely to happen).
class CertStore {
// Returns the singleton instance of the CertStore.
CONTENT_EXPORT static CertStore* GetInstance();
// Stores the specified cert and returns the id associated with it. The cert
// is associated to the specified RenderProcessHost.
// When all the RenderProcessHosts associated with a cert have exited, the
// cert is removed from the store.
// Note: ids starts at 1.
virtual int StoreCert(net::X509Certificate* cert,
int render_process_host_id) = 0;
// Tries to retrieve the previously stored cert associated with the specified
// |cert_id|. Returns whether the cert could be found, and, if |cert| is
// non-nullptr, copies it in.
virtual bool RetrieveCert(int cert_id,
scoped_refptr<net::X509Certificate>* cert) = 0;
virtual ~CertStore() {}
} // namespace content