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// Copyright 2015 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 "components/certificate_reporting/error_report.h"
#include <vector>
#include "base/stl_util.h"
#include "base/strings/string_util.h"
#include "base/time/time.h"
#include "components/certificate_reporting/cert_logger.pb.h"
#include "components/network_time/network_time_tracker.h"
#include "net/cert/cert_status_flags.h"
#include "net/cert/x509_certificate.h"
#include "net/ssl/ssl_info.h"
using network_time::NetworkTimeTracker;
namespace certificate_reporting {
namespace {
void AddCertStatusToReportErrors(net::CertStatus cert_status,
CertLoggerRequest* report) {
#define COPY_CERT_STATUS(error) RENAME_CERT_STATUS(error, CERT_##error)
#define RENAME_CERT_STATUS(status_error, logger_error) \
if (cert_status & net::CERT_STATUS_##status_error) \
report->add_cert_error(CertLoggerRequest::ERR_##logger_error);
COPY_CERT_STATUS(REVOKED)
COPY_CERT_STATUS(INVALID)
RENAME_CERT_STATUS(PINNED_KEY_MISSING, SSL_PINNED_KEY_NOT_IN_CERT_CHAIN)
COPY_CERT_STATUS(AUTHORITY_INVALID)
COPY_CERT_STATUS(COMMON_NAME_INVALID)
COPY_CERT_STATUS(NON_UNIQUE_NAME)
COPY_CERT_STATUS(NAME_CONSTRAINT_VIOLATION)
COPY_CERT_STATUS(WEAK_SIGNATURE_ALGORITHM)
COPY_CERT_STATUS(WEAK_KEY)
COPY_CERT_STATUS(DATE_INVALID)
COPY_CERT_STATUS(VALIDITY_TOO_LONG)
COPY_CERT_STATUS(UNABLE_TO_CHECK_REVOCATION)
COPY_CERT_STATUS(NO_REVOCATION_MECHANISM)
RENAME_CERT_STATUS(CERTIFICATE_TRANSPARENCY_REQUIRED,
CERTIFICATE_TRANSPARENCY_REQUIRED)
#undef RENAME_CERT_STATUS
#undef COPY_CERT_STATUS
}
bool CertificateChainToString(scoped_refptr<net::X509Certificate> cert,
std::string* result) {
std::vector<std::string> pem_encoded_chain;
if (!cert->GetPEMEncodedChain(&pem_encoded_chain))
return false;
*result = base::JoinString(pem_encoded_chain, "");
return true;
}
} // namespace
ErrorReport::ErrorReport() : cert_report_(new CertLoggerRequest()) {}
ErrorReport::ErrorReport(const std::string& hostname,
const net::SSLInfo& ssl_info)
: cert_report_(new CertLoggerRequest()) {
base::Time now = base::Time::Now();
cert_report_->set_time_usec(now.ToInternalValue());
cert_report_->set_hostname(hostname);
if (!CertificateChainToString(ssl_info.cert,
cert_report_->mutable_cert_chain())) {
LOG(ERROR) << "Could not get PEM encoded chain.";
}
if (ssl_info.unverified_cert &&
!CertificateChainToString(
ssl_info.unverified_cert,
cert_report_->mutable_unverified_cert_chain())) {
LOG(ERROR) << "Could not get PEM encoded unverified certificate chain.";
}
cert_report_->add_pin(ssl_info.pinning_failure_log);
cert_report_->set_is_issued_by_known_root(ssl_info.is_issued_by_known_root);
AddCertStatusToReportErrors(ssl_info.cert_status, cert_report_.get());
}
ErrorReport::~ErrorReport() {}
bool ErrorReport::InitializeFromString(const std::string& serialized_report) {
return cert_report_->ParseFromString(serialized_report);
}
bool ErrorReport::Serialize(std::string* output) const {
return cert_report_->SerializeToString(output);
}
void ErrorReport::SetInterstitialInfo(
const InterstitialReason& interstitial_reason,
const ProceedDecision& proceed_decision,
const Overridable& overridable,
const base::Time& interstitial_time) {
CertLoggerInterstitialInfo* interstitial_info =
cert_report_->mutable_interstitial_info();
switch (interstitial_reason) {
case INTERSTITIAL_SSL:
interstitial_info->set_interstitial_reason(
CertLoggerInterstitialInfo::INTERSTITIAL_SSL);
break;
case INTERSTITIAL_CAPTIVE_PORTAL:
interstitial_info->set_interstitial_reason(
CertLoggerInterstitialInfo::INTERSTITIAL_CAPTIVE_PORTAL);
break;
case INTERSTITIAL_CLOCK:
interstitial_info->set_interstitial_reason(
CertLoggerInterstitialInfo::INTERSTITIAL_CLOCK);
break;
}
interstitial_info->set_user_proceeded(proceed_decision == USER_PROCEEDED);
interstitial_info->set_overridable(overridable == INTERSTITIAL_OVERRIDABLE);
interstitial_info->set_interstitial_created_time_usec(
interstitial_time.ToInternalValue());
}
void ErrorReport::AddNetworkTimeInfo(
const NetworkTimeTracker* network_time_tracker) {
CertLoggerFeaturesInfo* features_info = cert_report_->mutable_features_info();
CertLoggerFeaturesInfo::NetworkTimeQueryingInfo* network_time_info =
features_info->mutable_network_time_querying_info();
network_time_info->set_network_time_queries_enabled(
network_time_tracker->AreTimeFetchesEnabled());
NetworkTimeTracker::FetchBehavior behavior =
network_time_tracker->GetFetchBehavior();
CertLoggerFeaturesInfo::NetworkTimeQueryingInfo::NetworkTimeFetchBehavior
report_behavior = CertLoggerFeaturesInfo::NetworkTimeQueryingInfo::
NETWORK_TIME_FETCHES_UNKNOWN;
switch (behavior) {
case NetworkTimeTracker::FETCH_BEHAVIOR_UNKNOWN:
report_behavior = CertLoggerFeaturesInfo::NetworkTimeQueryingInfo::
NETWORK_TIME_FETCHES_UNKNOWN;
break;
case NetworkTimeTracker::FETCHES_IN_BACKGROUND_ONLY:
report_behavior = CertLoggerFeaturesInfo::NetworkTimeQueryingInfo::
NETWORK_TIME_FETCHES_BACKGROUND_ONLY;
break;
case NetworkTimeTracker::FETCHES_ON_DEMAND_ONLY:
report_behavior = CertLoggerFeaturesInfo::NetworkTimeQueryingInfo::
NETWORK_TIME_FETCHES_ON_DEMAND_ONLY;
break;
case NetworkTimeTracker::FETCHES_IN_BACKGROUND_AND_ON_DEMAND:
report_behavior = CertLoggerFeaturesInfo::NetworkTimeQueryingInfo::
NETWORK_TIME_FETCHES_IN_BACKGROUND_AND_ON_DEMAND;
break;
}
network_time_info->set_network_time_query_behavior(report_behavior);
}
const std::string& ErrorReport::hostname() const {
return cert_report_->hostname();
}
} // namespace certificate_reporting
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