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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "mozilla/gtest/nsUserCharacteristics.h"
#include "mozilla/glean/GleanPings.h"
#include "mozilla/glean/ResistfingerprintingMetrics.h"
using namespace mozilla;
const auto* const kUUIDPref =
"toolkit.telemetry.user_characteristics_ping.uuid";
TEST(ResistFingerprinting, UserCharacteristics_Simple)
{
mozilla::glean::characteristics::max_touch_points.Set(7);
ASSERT_TRUE(mozilla::glean_pings::UserCharacteristics.TestSubmission(
[](const nsACString& aReason) {
ASSERT_EQ(
7, mozilla::glean::characteristics::max_touch_points.TestGetValue()
.unwrap()
.ref());
},
[]() { mozilla::glean_pings::UserCharacteristics.Submit(); }));
}
TEST(ResistFingerprinting, UserCharacteristics_Complex)
{
nsUserCharacteristics::PopulateDataAndEventuallySubmit(
/* aUpdatePref = */ false, /* aTesting = */ true);
ASSERT_TRUE(mozilla::glean_pings::UserCharacteristics.TestSubmission(
[](const nsACString& aReason) {
ASSERT_STRNE("", mozilla::glean::characteristics::client_identifier
.TestGetValue()
.unwrap()
.value()
.get());
nsCString fullUuidStr;
Preferences::GetCString(kUUIDPref, fullUuidStr);
// Remove the '{' and '}'
nsAutoCString uuidString;
uuidString = Substring(fullUuidStr, 1, NSID_LENGTH - 3);
ASSERT_STREQ(
uuidString.get(),
mozilla::glean::characteristics::client_identifier.TestGetValue()
.unwrap()
.value()
.get());
ASSERT_EQ(
testing::MaxTouchPoints(),
mozilla::glean::characteristics::max_touch_points.TestGetValue()
.unwrap()
.ref());
// Test FPU control state metric to ensure code runs and doesn't crash
auto fpuState =
mozilla::glean::characteristics::fpu_control_state.TestGetValue()
.unwrap()
.value();
ASSERT_STRNE("", fpuState.get());
ASSERT_TRUE(strstr(fpuState.get(), "std:") != nullptr);
},
[]() { nsUserCharacteristics::SubmitPing(); }));
}
TEST(ResistFingerprinting, UserCharacteristics_ClearPref)
{
nsCString originalUUID;
ASSERT_TRUE(mozilla::glean_pings::UserCharacteristics.TestSubmission(
[&originalUUID](const nsACString& aReason) {
originalUUID =
mozilla::glean::characteristics::client_identifier.TestGetValue()
.unwrap()
.value()
.get();
ASSERT_STRNE("", mozilla::glean::characteristics::client_identifier
.TestGetValue()
.unwrap()
.value()
.get());
nsCString fullUuidStr;
Preferences::GetCString(kUUIDPref, fullUuidStr);
// Remove the '{' and '}'
nsAutoCString uuidString;
uuidString = Substring(fullUuidStr, 1, NSID_LENGTH - 3);
ASSERT_STREQ(
uuidString.get(),
mozilla::glean::characteristics::client_identifier.TestGetValue()
.unwrap()
.value()
.get());
},
[]() {
nsUserCharacteristics::PopulateDataAndEventuallySubmit(
/* aUpdatePref = */ false, /* aTesting = */ true);
nsUserCharacteristics::SubmitPing();
}));
auto original_value =
Preferences::GetBool("datareporting.healthreport.uploadEnabled");
Preferences::SetBool("datareporting.healthreport.uploadEnabled", true);
Preferences::SetBool("datareporting.healthreport.uploadEnabled", false);
ASSERT_TRUE(mozilla::glean_pings::UserCharacteristics.TestSubmission(
[](const nsACString& aReason) {
// Assert that the pref is blank
nsAutoCString uuidValue;
Preferences::GetCString(kUUIDPref, uuidValue);
ASSERT_STREQ("", uuidValue.get());
},
[]() { nsUserCharacteristics::SubmitPing(); }));
Preferences::SetBool("datareporting.healthreport.uploadEnabled", true);
ASSERT_TRUE(mozilla::glean_pings::UserCharacteristics.TestSubmission(
[&originalUUID](const nsACString& aReason) {
// Assert that the new UUID is different from the old one
ASSERT_STRNE(
originalUUID.get(),
mozilla::glean::characteristics::client_identifier.TestGetValue()
.unwrap()
.value()
.get());
// Assert that the pref is not blank
nsAutoCString uuidValue;
Preferences::GetCString(kUUIDPref, uuidValue);
ASSERT_STRNE("", uuidValue.get());
},
[]() {
nsUserCharacteristics::PopulateDataAndEventuallySubmit(
/* aUpdatePref = */ false, /* aTesting = */ true);
nsUserCharacteristics::SubmitPing();
}));
Preferences::SetBool("datareporting.healthreport.uploadEnabled",
original_value);
}
const auto* const kLastVersionPref =
"toolkit.telemetry.user_characteristics_ping.last_version_sent";
const auto* const kCurrentVersionPref =
"toolkit.telemetry.user_characteristics_ping.current_version";
const auto* const kOptOutPref =
"toolkit.telemetry.user_characteristics_ping.opt-out";
const auto* const kSendOncePref =
"toolkit.telemetry.user_characteristics_ping.send-once";
const auto* const kResistFingerprintingPref = "privacy.resistFingerprinting";
const auto* const kResistFingerprintingPrefPBMode =
"privacy.resistFingerprinting.pbmode";
const auto* const kFingerprintingProtectionOverrides =
"privacy.fingerprintingProtection.overrides";
const auto* const kBaselineFPPOverridesPref =
"privacy.baselineFingerprintingProtection.overrides";
TEST(ResistFingerprinting, UserCharacteristics_ShouldSubmit)
{
// Test nsUserCharacteristics::ShouldSubmit()
// Make sure kCurrentVersionPref > kLastVersionPref and kCurrentVersionPref !=
// 0
Preferences::SetInt(kCurrentVersionPref, 1);
Preferences::SetInt(kLastVersionPref, 0);
// Verify ShouldSubmit returns true when kCurrentVersionPref >
// kLastVersionPref
ASSERT_TRUE(nsUserCharacteristics::ShouldSubmit());
// Verify opting-out works
Preferences::SetBool(kOptOutPref, true);
ASSERT_FALSE(nsUserCharacteristics::ShouldSubmit());
Preferences::SetBool(kOptOutPref, false);
ASSERT_TRUE(nsUserCharacteristics::ShouldSubmit());
// Verify ShouldSubmit returns false when kCurrentVersionPref = 0
Preferences::SetInt(kCurrentVersionPref, 0);
ASSERT_FALSE(nsUserCharacteristics::ShouldSubmit());
// Verify sending a ping once regardless of version works
Preferences::SetBool(kSendOncePref, true);
ASSERT_TRUE(nsUserCharacteristics::ShouldSubmit());
Preferences::SetInt(kCurrentVersionPref, 1);
// Verify precedence
Preferences::SetBool(kOptOutPref, true);
ASSERT_FALSE(nsUserCharacteristics::ShouldSubmit());
Preferences::SetBool(kOptOutPref, false);
// Verify resistFingerprinting prevents submission
Preferences::SetBool(kResistFingerprintingPref, true);
ASSERT_FALSE(nsUserCharacteristics::ShouldSubmit());
Preferences::SetBool(kResistFingerprintingPref, false);
Preferences::SetBool(kResistFingerprintingPrefPBMode, true);
ASSERT_FALSE(nsUserCharacteristics::ShouldSubmit());
Preferences::SetBool(kResistFingerprintingPrefPBMode, false);
// Verify non-empty fingerprintingProtection overrides prevent submission
Preferences::SetCString(kFingerprintingProtectionOverrides, "test");
ASSERT_FALSE(nsUserCharacteristics::ShouldSubmit());
Preferences::ClearUser(kFingerprintingProtectionOverrides);
ASSERT_TRUE(nsUserCharacteristics::ShouldSubmit());
// Verify non-empty baselineFPP overrides prevent submission
Preferences::SetCString(kBaselineFPPOverridesPref, "test");
ASSERT_FALSE(nsUserCharacteristics::ShouldSubmit());
Preferences::ClearUser(kBaselineFPPOverridesPref);
ASSERT_TRUE(nsUserCharacteristics::ShouldSubmit());
}
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