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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_CERT_MULTI_THREADED_CERT_VERIFIER_H_
#define NET_CERT_MULTI_THREADED_CERT_VERIFIER_H_
#include <stddef.h>
#include <stdint.h>
#include <map>
#include <memory>
#include "base/containers/linked_list.h"
#include "base/memory/scoped_refptr.h"
#include "base/observer_list.h"
#include "base/threading/thread_checker.h"
#include "crypto/crypto_buildflags.h"
#include "net/base/net_export.h"
#include "net/cert/cert_verifier.h"
#if BUILDFLAG(USE_NSS_CERTS)
#include "net/cert/scoped_nss_types.h"
#endif
namespace net {
class CertVerifyProc;
class CertNetFetcher;
class CertVerifyProcFactory;
// MultiThreadedCertVerifier is a CertVerifier implementation that runs
// synchronous CertVerifier implementations on worker threads.
class NET_EXPORT_PRIVATE MultiThreadedCertVerifier
: public CertVerifierWithUpdatableProc {
public:
explicit MultiThreadedCertVerifier(
scoped_refptr<CertVerifyProc> verify_proc,
scoped_refptr<CertVerifyProcFactory> verify_proc_factory);
MultiThreadedCertVerifier(const MultiThreadedCertVerifier&) = delete;
MultiThreadedCertVerifier& operator=(const MultiThreadedCertVerifier&) =
delete;
// When the verifier is destroyed, all certificate verifications requests are
// canceled, and their completion callbacks will not be called.
~MultiThreadedCertVerifier() override;
// CertVerifier implementation
int Verify(const RequestParams& params,
CertVerifyResult* verify_result,
CompletionOnceCallback callback,
std::unique_ptr<Request>* out_req,
const NetLogWithSource& net_log) override;
void SetConfig(const CertVerifier::Config& config) override;
void AddObserver(Observer* observer) override;
void RemoveObserver(Observer* observer) override;
void UpdateVerifyProcData(
scoped_refptr<CertNetFetcher> cert_net_fetcher,
const net::CertVerifyProcFactory::ImplParams& impl_params) override;
private:
class InternalRequest;
// Notify the |observers_| of an OnCertVerifierChanged event.
void NotifyCertVerifierChanged();
base::ObserverList<Observer> observers_;
Config config_;
scoped_refptr<CertVerifyProc> verify_proc_;
scoped_refptr<CertVerifyProcFactory> verify_proc_factory_;
// Holds a list of CertVerifier::Requests that have not yet completed or been
// deleted. It is used to ensure that when the MultiThreadedCertVerifier is
// deleted, we eagerly reset all of the callbacks provided to Verify(), and
// don't call them later, as required by the CertVerifier contract.
base::LinkedList<InternalRequest> request_list_;
#if BUILDFLAG(USE_NSS_CERTS)
// Holds NSS temporary certificates that will be exposed as untrusted
// authorities by SystemCertStoreNSS.
// TODO(https://crbug.com/978854): Pass these into the actual CertVerifyProc
// rather than relying on global side-effects.
net::ScopedCERTCertificateList temp_certs_;
#endif
THREAD_CHECKER(thread_checker_);
};
} // namespace net
#endif // NET_CERT_MULTI_THREADED_CERT_VERIFIER_H_