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ignore_errors_cert_verifier.h
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ignore_errors_cert_verifier.h
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// Copyright 2017 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.
#ifndef SERVICES_NETWORK_IGNORE_ERRORS_CERT_VERIFIER_H_
#define SERVICES_NETWORK_IGNORE_ERRORS_CERT_VERIFIER_H_
#include <memory>
#include <string>
#include <vector>
#include "base/command_line.h"
#include "base/component_export.h"
#include "base/containers/flat_set.h"
#include "net/base/completion_once_callback.h"
#include "net/cert/cert_verifier.h"
#include "services/network/public/cpp/spki_hash_set.h"
namespace network {
// IgnoreErrorsCertVerifier wraps another CertVerifier in order to ignore
// verification errors from certificate chains that match a allowlist of SPKI
// fingerprints.
class COMPONENT_EXPORT(NETWORK_SERVICE) IgnoreErrorsCertVerifier
: public net::CertVerifier {
public:
// If the |user_data_dir_switch| is passed in as a valid pointer but
// --user-data-dir flag is missing, or --ignore-certificate-errors-spki-list
// flag is missing then MaybeWrapCertVerifier returns the supplied verifier.
// Otherwise it returns an IgnoreErrorsCertVerifier wrapping the supplied
// verifier using the allowlist from the
// --ignore-certificate-errors-spki-list flag.
//
// As the --user-data-dir flag is embedder defined, the flag to check for
// needs to be passed in from |user_data_dir_switch|.
static std::unique_ptr<net::CertVerifier> MaybeWrapCertVerifier(
const base::CommandLine& command_line,
const char* user_data_dir_switch,
std::unique_ptr<net::CertVerifier> verifier);
IgnoreErrorsCertVerifier(std::unique_ptr<net::CertVerifier> verifier,
SPKIHashSet allowlist);
~IgnoreErrorsCertVerifier() override;
// Verify skips certificate verification and returns OK if any of the
// certificates from the chain in |params| match one of the SPKI fingerprints
// from the allowlist. Otherwise, it invokes Verify on the wrapped verifier
// and returns the result.
int Verify(const RequestParams& params,
net::CertVerifyResult* verify_result,
net::CompletionOnceCallback callback,
std::unique_ptr<Request>* out_req,
const net::NetLogWithSource& net_log) override;
void SetConfig(const Config& config) override;
private:
friend class IgnoreErrorsCertVerifierTest;
void SetAllowlistForTesting(const SPKIHashSet& allowlist);
std::unique_ptr<net::CertVerifier> verifier_;
SPKIHashSet allowlist_;
DISALLOW_COPY_AND_ASSIGN(IgnoreErrorsCertVerifier);
};
} // namespace network
#endif // SERVICES_NETWORK_IGNORE_ERRORS_CERT_VERIFIER_H_