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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/domain_reliability/util.h"
#include <stddef.h>
#include <array>
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/notreached.h"
#include "base/time/default_tick_clock.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "net/base/net_errors.h"
namespace domain_reliability {
namespace {
struct NetErrorMapping {
int net_error;
const char* beacon_status;
};
const auto net_error_map = std::to_array<NetErrorMapping>({
{net::OK, "ok"},
{net::ERR_ABORTED, "aborted"},
{net::ERR_TIMED_OUT, "tcp.connection.timed_out"},
{net::ERR_CONNECTION_CLOSED, "tcp.connection.closed"},
{net::ERR_CONNECTION_RESET, "tcp.connection.reset"},
{net::ERR_CONNECTION_REFUSED, "tcp.connection.refused"},
{net::ERR_CONNECTION_ABORTED, "tcp.connection.aborted"},
{net::ERR_CONNECTION_FAILED, "tcp.connection.failed"},
{net::ERR_NAME_NOT_RESOLVED, "dns"},
{net::ERR_SSL_PROTOCOL_ERROR, "ssl.protocol.error"},
{net::ERR_ADDRESS_INVALID, "tcp.connection.address_invalid"},
{net::ERR_ADDRESS_UNREACHABLE, "tcp.connection.address_unreachable"},
{net::ERR_CONNECTION_TIMED_OUT, "tcp.connection.timed_out"},
{net::ERR_NAME_RESOLUTION_FAILED, "dns"},
{net::ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN,
"ssl.cert.pinned_key_not_in_cert_chain"},
{net::ERR_CERT_COMMON_NAME_INVALID, "ssl.cert.name_invalid"},
{net::ERR_CERT_DATE_INVALID, "ssl.cert.date_invalid"},
{net::ERR_CERT_AUTHORITY_INVALID, "ssl.cert.authority_invalid"},
{net::ERR_CERT_KNOWN_INTERCEPTION_BLOCKED, "ssl.cert.authority_invalid"},
{net::ERR_CERT_REVOKED, "ssl.cert.revoked"},
{net::ERR_CERT_INVALID, "ssl.cert.invalid"},
{net::ERR_EMPTY_RESPONSE, "http.response.empty"},
{net::ERR_HTTP2_PING_FAILED, "spdy.ping_failed"},
{net::ERR_HTTP2_PROTOCOL_ERROR, "spdy.protocol"},
{net::ERR_QUIC_PROTOCOL_ERROR, "quic.protocol"},
{net::ERR_DNS_MALFORMED_RESPONSE, "dns.protocol"},
{net::ERR_DNS_SERVER_FAILED, "dns.server"},
{net::ERR_DNS_TIMED_OUT, "dns.timed_out"},
{net::ERR_INSECURE_RESPONSE, "ssl"},
{net::ERR_CONTENT_LENGTH_MISMATCH, "http.response.content_length_mismatch"},
{net::ERR_INCOMPLETE_CHUNKED_ENCODING,
"http.response.incomplete_chunked_encoding"},
{net::ERR_SSL_VERSION_OR_CIPHER_MISMATCH, "ssl.version_or_cipher_mismatch"},
{net::ERR_BAD_SSL_CLIENT_AUTH_CERT, "ssl.bad_client_auth_cert"},
{net::ERR_INVALID_CHUNKED_ENCODING,
"http.response.invalid_chunked_encoding"},
{net::ERR_RESPONSE_HEADERS_TRUNCATED, "http.response.headers.truncated"},
{net::ERR_REQUEST_RANGE_NOT_SATISFIABLE,
"http.request.range_not_satisfiable"},
{net::ERR_INVALID_RESPONSE, "http.response.invalid"},
{net::ERR_RESPONSE_HEADERS_MULTIPLE_CONTENT_DISPOSITION,
"http.response.headers.multiple_content_disposition"},
{net::ERR_RESPONSE_HEADERS_MULTIPLE_CONTENT_LENGTH,
"http.response.headers.multiple_content_length"},
{net::ERR_SSL_UNRECOGNIZED_NAME_ALERT, "ssl.unrecognized_name_alert"},
});
bool CanReportFullBeaconURLToCollector(const GURL& beacon_url,
const GURL& collector_url) {
return beacon_url.DeprecatedGetOriginAsURL() ==
collector_url.DeprecatedGetOriginAsURL();
}
} // namespace
// static
bool GetDomainReliabilityBeaconStatus(
int net_error,
int http_response_code,
std::string* beacon_status_out) {
if (net_error == net::OK) {
if (http_response_code >= 400 && http_response_code < 600) {
*beacon_status_out = "http.error";
} else {
*beacon_status_out = "ok";
}
return true;
}
// TODO(juliatuttle): Consider sorting and using binary search?
for (size_t i = 0; i < std::size(net_error_map); i++) {
if (net_error_map[i].net_error == net_error) {
*beacon_status_out = net_error_map[i].beacon_status;
return true;
}
}
return false;
}
// TODO(juliatuttle): Consider using ALPN instead, if there's a good way to
// differentiate HTTP and HTTPS.
std::string GetDomainReliabilityProtocol(
net::HttpConnectionInfo connection_info,
bool ssl_info_populated) {
switch (net::HttpConnectionInfoToCoarse(connection_info)) {
case net::HttpConnectionInfoCoarse::kHTTP1:
return ssl_info_populated ? "HTTPS" : "HTTP";
case net::HttpConnectionInfoCoarse::kHTTP2:
return "SPDY";
case net::HttpConnectionInfoCoarse::kQUIC:
return "QUIC";
case net::HttpConnectionInfoCoarse::kOTHER:
return "";
}
NOTREACHED();
}
DomainReliabilityUploader::UploadResult GetUploadResultFromResponseDetails(
int net_error,
int http_response_code,
base::TimeDelta retry_after) {
DomainReliabilityUploader::UploadResult result;
if (net_error == net::OK && http_response_code == 200) {
result.status = DomainReliabilityUploader::UploadResult::SUCCESS;
return result;
}
if (net_error == net::OK && http_response_code == 503 &&
!retry_after.is_zero()) {
result.status = DomainReliabilityUploader::UploadResult::RETRY_AFTER;
result.retry_after = retry_after;
return result;
}
result.status = DomainReliabilityUploader::UploadResult::FAILURE;
return result;
}
// N.B. This uses a std::vector<std::unique_ptr<>> because that's what
// JSONValueConverter uses for repeated fields of any type, and Config uses
// JSONValueConverter to parse JSON configs.
GURL SanitizeURLForReport(
const GURL& beacon_url,
const GURL& collector_url,
const std::vector<std::unique_ptr<std::string>>& path_prefixes) {
if (CanReportFullBeaconURLToCollector(beacon_url, collector_url))
return beacon_url.GetAsReferrer();
std::string path = beacon_url.path();
const std::string empty_path;
const std::string* longest_path_prefix = &empty_path;
for (const auto& path_prefix : path_prefixes) {
if (path.substr(0, path_prefix->length()) == *path_prefix &&
path_prefix->length() > longest_path_prefix->length()) {
longest_path_prefix = path_prefix.get();
}
}
GURL::Replacements replacements;
replacements.ClearUsername();
replacements.ClearPassword();
replacements.SetPathStr(*longest_path_prefix);
replacements.ClearQuery();
replacements.ClearRef();
return beacon_url.ReplaceComponents(replacements);
}
namespace {
class ActualTimer : public MockableTime::Timer {
public:
ActualTimer() = default;
~ActualTimer() override = default;
// MockableTime::Timer implementation:
void Start(const base::Location& posted_from,
base::TimeDelta delay,
base::OnceClosure user_task) override {
base_timer_.Start(posted_from, delay, std::move(user_task));
}
void Stop() override { base_timer_.Stop(); }
bool IsRunning() override { return base_timer_.IsRunning(); }
private:
base::OneShotTimer base_timer_;
};
} // namespace
MockableTime::Timer::~Timer() = default;
MockableTime::Timer::Timer() = default;
MockableTime::~MockableTime() = default;
MockableTime::MockableTime() = default;
ActualTime::ActualTime() = default;
ActualTime::~ActualTime() = default;
base::Time ActualTime::Now() const {
return base::Time::Now();
}
base::TimeTicks ActualTime::NowTicks() const {
return base::TimeTicks::Now();
}
std::unique_ptr<MockableTime::Timer> ActualTime::CreateTimer() {
return std::unique_ptr<MockableTime::Timer>(new ActualTimer());
}
const base::TickClock* ActualTime::AsTickClock() const {
return base::DefaultTickClock::GetInstance();
}
} // namespace domain_reliability
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