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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 http://mozilla.org/MPL/2.0/. */
#include "mozilla/Base64.h"
#include "nsUrlClassifierUtils.h"
#include "safebrowsing.pb.h"
#include "Common.h"
using namespace mozilla;
template <size_t N>
static void ToBase64EncodedStringArray(nsCString (&aInput)[N],
nsTArray<nsCString>& aEncodedArray) {
for (size_t i = 0; i < N; i++) {
nsCString encoded;
nsresult rv = mozilla::Base64Encode(aInput[i], encoded);
NS_ENSURE_SUCCESS_VOID(rv);
aEncodedArray.AppendElement(std::move(encoded));
}
}
TEST(UrlClassifierFindFullHash, Request)
{
nsUrlClassifierUtils* urlUtil = nsUrlClassifierUtils::GetInstance();
nsTArray<nsCString> listNames;
listNames.AppendElement("moztest-phish-proto");
listNames.AppendElement("moztest-unwanted-proto");
nsCString listStates[] = {nsCString("sta\x00te1", 7),
nsCString("sta\x00te2", 7)};
nsTArray<nsCString> listStateArray;
ToBase64EncodedStringArray(listStates, listStateArray);
nsCString prefixes[] = {nsCString("\x00\x00\x00\x01", 4),
nsCString("\x00\x00\x00\x00\x01", 5),
nsCString("\x00\xFF\x00\x01", 4),
nsCString("\x00\xFF\x00\x01\x11\x23\xAA\xBC", 8),
nsCString("\x00\x00\x00\x01\x00\x01\x98", 7)};
nsTArray<nsCString> prefixArray;
ToBase64EncodedStringArray(prefixes, prefixArray);
nsCString requestBase64;
nsresult rv;
rv = urlUtil->MakeFindFullHashRequestV4(listNames, listStateArray,
prefixArray, requestBase64);
ASSERT_NS_SUCCEEDED(rv);
// Base64 URL decode first.
FallibleTArray<uint8_t> requestBinary;
rv = Base64URLDecode(requestBase64, Base64URLDecodePaddingPolicy::Require,
requestBinary);
ASSERT_NS_SUCCEEDED(rv);
// Parse the FindFullHash binary and compare with the expected values.
FindFullHashesRequest r;
ASSERT_TRUE(r.ParseFromArray(&requestBinary[0], requestBinary.Length()));
// Compare client states.
ASSERT_EQ(r.client_states_size(), (int)ArrayLength(listStates));
for (int i = 0; i < r.client_states_size(); i++) {
auto s = r.client_states(i);
ASSERT_TRUE(listStates[i].Equals(nsCString(s.c_str(), s.size())));
}
auto threatInfo = r.threat_info();
// Compare threat types.
ASSERT_EQ(threatInfo.threat_types_size(), (int)ArrayLength(listStates));
for (int i = 0; i < threatInfo.threat_types_size(); i++) {
uint32_t expectedThreatType;
rv =
urlUtil->ConvertListNameToThreatType(listNames[i], &expectedThreatType);
ASSERT_NS_SUCCEEDED(rv);
ASSERT_EQ(threatInfo.threat_types(i), (int)expectedThreatType);
}
// Compare prefixes.
ASSERT_EQ(threatInfo.threat_entries_size(), (int)ArrayLength(prefixes));
for (int i = 0; i < threatInfo.threat_entries_size(); i++) {
auto p = threatInfo.threat_entries(i).hash();
ASSERT_TRUE(prefixes[i].Equals(nsCString(p.c_str(), p.size())));
}
}
/////////////////////////////////////////////////////////////
// Following is to test parsing the gethash response.
namespace {
// safebrowsing::Duration manipulation.
struct MyDuration {
uint32_t mSecs;
uint32_t mNanos;
};
void PopulateDuration(Duration& aDest, const MyDuration& aSrc) {
aDest.set_seconds(aSrc.mSecs);
aDest.set_nanos(aSrc.mNanos);
}
// The expected match data.
static MyDuration EXPECTED_MIN_WAIT_DURATION = {12, 10};
static MyDuration EXPECTED_NEG_CACHE_DURATION = {120, 9};
static const struct ExpectedMatch {
nsCString mCompleteHash;
ThreatType mThreatType;
MyDuration mPerHashCacheDuration;
} EXPECTED_MATCH[] = {
{nsCString("01234567890123456789012345678901"),
SOCIAL_ENGINEERING_PUBLIC,
{8, 500}},
{nsCString("12345678901234567890123456789012"),
SOCIAL_ENGINEERING_PUBLIC,
{7, 100}},
{nsCString("23456789012345678901234567890123"),
SOCIAL_ENGINEERING_PUBLIC,
{1, 20}},
};
class MyParseCallback final : public nsIUrlClassifierParseFindFullHashCallback {
public:
NS_DECL_ISUPPORTS
explicit MyParseCallback(uint32_t& aCallbackCount)
: mCallbackCount(aCallbackCount) {}
NS_IMETHOD
OnCompleteHashFound(const nsACString& aCompleteHash,
const nsACString& aTableNames,
uint32_t aPerHashCacheDuration) override {
Verify(aCompleteHash, aTableNames, aPerHashCacheDuration);
return NS_OK;
}
NS_IMETHOD
OnResponseParsed(uint32_t aMinWaitDuration,
uint32_t aNegCacheDuration) override {
VerifyDuration(aMinWaitDuration / 1000, EXPECTED_MIN_WAIT_DURATION);
VerifyDuration(aNegCacheDuration, EXPECTED_NEG_CACHE_DURATION);
return NS_OK;
}
private:
void Verify(const nsACString& aCompleteHash, const nsACString& aTableNames,
uint32_t aPerHashCacheDuration) {
auto expected = EXPECTED_MATCH[mCallbackCount];
ASSERT_TRUE(aCompleteHash.Equals(expected.mCompleteHash));
// Verify aTableNames
nsUrlClassifierUtils* urlUtil = nsUrlClassifierUtils::GetInstance();
nsCString tableNames;
nsresult rv =
urlUtil->ConvertThreatTypeToListNames(expected.mThreatType, tableNames);
ASSERT_NS_SUCCEEDED(rv);
ASSERT_TRUE(aTableNames.Equals(tableNames));
VerifyDuration(aPerHashCacheDuration, expected.mPerHashCacheDuration);
mCallbackCount++;
}
void VerifyDuration(uint32_t aToVerify, const MyDuration& aExpected) {
ASSERT_TRUE(aToVerify == aExpected.mSecs);
}
~MyParseCallback() = default;
uint32_t& mCallbackCount;
};
NS_IMPL_ISUPPORTS(MyParseCallback, nsIUrlClassifierParseFindFullHashCallback)
} // end of unnamed namespace.
TEST(UrlClassifierFindFullHash, ParseRequest)
{
// Build response.
FindFullHashesResponse r;
// Init response-wise durations.
auto minWaitDuration = r.mutable_minimum_wait_duration();
PopulateDuration(*minWaitDuration, EXPECTED_MIN_WAIT_DURATION);
auto negCacheDuration = r.mutable_negative_cache_duration();
PopulateDuration(*negCacheDuration, EXPECTED_NEG_CACHE_DURATION);
// Init matches.
for (uint32_t i = 0; i < ArrayLength(EXPECTED_MATCH); i++) {
auto expected = EXPECTED_MATCH[i];
auto match = r.mutable_matches()->Add();
match->set_threat_type(expected.mThreatType);
match->mutable_threat()->set_hash(expected.mCompleteHash.BeginReading(),
expected.mCompleteHash.Length());
auto perHashCacheDuration = match->mutable_cache_duration();
PopulateDuration(*perHashCacheDuration, expected.mPerHashCacheDuration);
}
std::string s;
r.SerializeToString(&s);
uint32_t callbackCount = 0;
nsCOMPtr<nsIUrlClassifierParseFindFullHashCallback> callback =
new MyParseCallback(callbackCount);
nsUrlClassifierUtils* urlUtil = nsUrlClassifierUtils::GetInstance();
nsresult rv = urlUtil->ParseFindFullHashResponseV4(
nsCString(s.c_str(), s.size()), callback);
NS_ENSURE_SUCCESS_VOID(rv);
ASSERT_EQ(callbackCount, ArrayLength(EXPECTED_MATCH));
}
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