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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 "net/cert/mock_cert_verifier.h"
#include <memory>
#include <utility>
#include "base/bind.h"
#include "base/callback_list.h"
#include "base/location.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/pattern.h"
#include "base/strings/string_util.h"
#include "base/threading/thread_task_runner_handle.h"
#include "net/base/net_errors.h"
#include "net/cert/cert_status_flags.h"
#include "net/cert/cert_verify_result.h"
#include "net/cert/x509_certificate.h"
namespace net {
struct MockCertVerifier::Rule {
Rule(scoped_refptr<X509Certificate> cert_arg,
const std::string& hostname_arg,
const CertVerifyResult& result_arg,
int rv_arg)
: cert(std::move(cert_arg)),
hostname(hostname_arg),
result(result_arg),
rv(rv_arg) {
DCHECK(cert);
DCHECK(result.verified_cert);
}
scoped_refptr<X509Certificate> cert;
std::string hostname;
CertVerifyResult result;
int rv;
};
class MockCertVerifier::MockRequest : public CertVerifier::Request {
public:
MockRequest(MockCertVerifier* parent,
CertVerifyResult* result,
CompletionOnceCallback callback)
: result_(result), callback_(std::move(callback)) {
subscription_ = parent->request_list_.Add(
base::BindOnce(&MockRequest::Cleanup, weak_factory_.GetWeakPtr()));
}
void ReturnResultLater(int rv, const CertVerifyResult& result) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::BindOnce(&MockRequest::ReturnResult,
weak_factory_.GetWeakPtr(), rv, result));
}
private:
void ReturnResult(int rv, const CertVerifyResult& result) {
// If the MockCertVerifier has been deleted, the callback will have been
// reset to null.
if (!callback_)
return;
*result_ = result;
std::move(callback_).Run(rv);
}
void Cleanup() {
// Note: May delete |this_|.
std::move(callback_).Reset();
}
raw_ptr<CertVerifyResult> result_;
CompletionOnceCallback callback_;
base::CallbackListSubscription subscription_;
base::WeakPtrFactory<MockRequest> weak_factory_{this};
};
MockCertVerifier::MockCertVerifier() = default;
MockCertVerifier::~MockCertVerifier() {
// Reset the callbacks for any outstanding MockRequests to fulfill the
// respective net::CertVerifier contract.
request_list_.Notify();
}
int MockCertVerifier::Verify(const RequestParams& params,
CertVerifyResult* verify_result,
CompletionOnceCallback callback,
std::unique_ptr<Request>* out_req,
const NetLogWithSource& net_log) {
if (!async_) {
return VerifyImpl(params, verify_result);
}
auto request =
std::make_unique<MockRequest>(this, verify_result, std::move(callback));
CertVerifyResult result;
int rv = VerifyImpl(params, &result);
request->ReturnResultLater(rv, result);
*out_req = std::move(request);
return ERR_IO_PENDING;
}
void MockCertVerifier::AddResultForCert(scoped_refptr<X509Certificate> cert,
const CertVerifyResult& verify_result,
int rv) {
AddResultForCertAndHost(std::move(cert), "*", verify_result, rv);
}
void MockCertVerifier::AddResultForCertAndHost(
scoped_refptr<X509Certificate> cert,
const std::string& host_pattern,
const CertVerifyResult& verify_result,
int rv) {
rules_.push_back(Rule(std::move(cert), host_pattern, verify_result, rv));
}
void MockCertVerifier::ClearRules() {
rules_.clear();
}
int MockCertVerifier::VerifyImpl(const RequestParams& params,
CertVerifyResult* verify_result) {
for (const Rule& rule : rules_) {
// Check just the server cert. Intermediates will be ignored.
if (!rule.cert->EqualsExcludingChain(params.certificate().get()))
continue;
if (!base::MatchPattern(params.hostname(), rule.hostname))
continue;
*verify_result = rule.result;
return rule.rv;
}
// Fall through to the default.
verify_result->verified_cert = params.certificate();
verify_result->cert_status = MapNetErrorToCertStatus(default_result_);
return default_result_;
}
} // namespace net
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