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// Copyright 2016 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/network_time/network_time_test_utils.h"
#include <memory>
#include "base/metrics/field_trial_params.h"
#include "base/strings/string_number_conversions.h"
#include "net/http/http_response_headers.h"
#include "net/test/embedded_test_server/http_response.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace network_time {
// Update as follows:
//
// curl -i "http://clients2.google.com/time/1/current?cup2key=7:123123123"
//
// where 7 is the key version and 123123123 is the nonce. Copy the response
// and the x-cup-server-proof header into |kGoodTimeResponseBody| and
// |kGoodTimeResponseServerProofHeader| respectively, and the
// 'current_time_millis' value of the response into
// |kGoodTimeResponseHandlerJsTime|. Do this five times, so that the five
// requests appear in order below.
const char* kGoodTimeResponseBody[] = {
")]}'\n{\"current_time_millis\":1676407030473,\"server_nonce\":-7."
"963518832647831E9}",
")]}'\n{\"current_time_millis\":1676407054804,\"server_nonce\":2."
"660379914224199E64}",
")]}'\n{\"current_time_millis\":1676407071199,\"server_nonce\":5."
"150419571081495E-301}",
")]}'\n{\"current_time_millis\":1676407085288,\"server_nonce\":-2."
"3616379802443122E-151}",
")]}'\n{\"current_time_millis\":1676407147062,\"server_nonce\":2."
"848761209101163E-158}"};
const char* kGoodTimeResponseServerProofHeader[] = {
"304402200b875bcd9391c08c319504ea4cac3703b58f50797c99ed008068d232c62f0"
"86802207babace8807a911ef7af424abdadac5ba118b06d1c68ddbe6c79e0f36da972"
"18:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
"30450220600b8b15525d52aa939f8174a24b63d3eb2b7543cf1d3a36eabd572518ec5"
"118022100d6e79c05701e981308d22e95f945a4a1b7cc2b2ce9c67b87fbec44e3d4b2"
"c4a5:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
"3045022100f78429f21c9b5e4db283b7b4a81d2f91f51969aae4e9960edf0b82f21c3"
"7c84a02200aa5e9e56bbf3cb16441355759425a31b0052fb371dfcb972d127cf185fe"
"5424:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
"3045022015af65192d3f5024e068cee411b29c6c9093c159a6f5b7e7e8b9726a7eca3"
"fa30221008dd1d69dc5e3cf364bb69366b3cc434a057fdf2c52475d92492eaca45f4b"
"2ecf:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
"3045022100ca8b4a4af0bfacdcbb589ee8d0a7fb0e20e618bcf380c775e0aa573ef9d"
"12f300220367ac76938af4b630d8c8ddef72b0c1e59630f505b110a1f3b18cd42229e"
"4035:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"};
const double kGoodTimeResponseHandlerJsTime[] = {
1676407030473, 1676407054804, 1676407071199, 1676407085288, 1676407147062};
std::unique_ptr<net::test_server::HttpResponse> GoodTimeResponseHandler(
const net::test_server::HttpRequest& request) {
net::test_server::BasicHttpResponse* response =
new net::test_server::BasicHttpResponse();
response->set_code(net::HTTP_OK);
response->set_content(kGoodTimeResponseBody[0]);
response->AddCustomHeader("x-cup-server-proof",
kGoodTimeResponseServerProofHeader[0]);
return std::unique_ptr<net::test_server::HttpResponse>(response);
}
FieldTrialTest::FieldTrialTest() {}
FieldTrialTest::~FieldTrialTest() {}
void FieldTrialTest::SetFeatureParams(
bool enable,
float query_probability,
NetworkTimeTracker::FetchBehavior fetch_behavior,
NetworkTimeTracker::ClockDriftSamples clock_drift_samples) {
scoped_feature_list_.Reset();
if (!enable) {
scoped_feature_list_.InitAndDisableFeature(kNetworkTimeServiceQuerying);
return;
}
base::FieldTrialParams params;
params["RandomQueryProbability"] = base::NumberToString(query_probability);
// See string format defined by `base::TimeDeltaFromString`.
params["CheckTimeInterval"] = "360s";
params["ClockDriftSampleDistance"] = "2s";
std::string fetch_behavior_param;
switch (fetch_behavior) {
case NetworkTimeTracker::FETCH_BEHAVIOR_UNKNOWN:
NOTREACHED();
fetch_behavior_param = "unknown";
break;
case NetworkTimeTracker::FETCHES_IN_BACKGROUND_ONLY:
fetch_behavior_param = "background-only";
break;
case NetworkTimeTracker::FETCHES_ON_DEMAND_ONLY:
fetch_behavior_param = "on-demand-only";
break;
case NetworkTimeTracker::FETCHES_IN_BACKGROUND_AND_ON_DEMAND:
fetch_behavior_param = "background-and-on-demand";
break;
}
params["FetchBehavior"] = fetch_behavior_param;
std::string num_clock_drift_samples;
switch (clock_drift_samples) {
case NetworkTimeTracker::ClockDriftSamples::NO_SAMPLES:
num_clock_drift_samples = "0";
break;
case NetworkTimeTracker::ClockDriftSamples::TWO_SAMPLES:
num_clock_drift_samples = "2";
break;
}
params["ClockDriftSamples"] = num_clock_drift_samples;
scoped_feature_list_.InitAndEnableFeatureWithParameters(
kNetworkTimeServiceQuerying, params);
}
} // namespace network_time
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