| // Copyright 2020 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| /////////////////////////////////////////////////////////////////////////////// |
| #include "tink/internal/keyset_wrapper_impl.h" |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| #include "absl/container/flat_hash_map.h" |
| #include "absl/strings/match.h" |
| #include "tink/primitive_wrapper.h" |
| #include "tink/util/test_matchers.h" |
| #include "tink/util/test_util.h" |
| #include "proto/tink.pb.h" |
| |
| namespace crypto { |
| namespace tink { |
| |
| namespace { |
| |
| using ::crypto::tink::test::AddKeyData; |
| using ::crypto::tink::test::IsOk; |
| using ::testing::HasSubstr; |
| using ::testing::Not; |
| using ::testing::Pair; |
| using ::testing::UnorderedElementsAre; |
| |
| using InputPrimitive = std::string; |
| using OutputPrimitive = std::vector<std::pair<int, std::string>>; |
| |
| // This "Wrapper" wraps primitives of type std::string into primitives of type |
| // std::vector<int, std::string> simply by returning pairs {key_id, string}. |
| // It appends " (primary)" to the string for the primary id. |
| class Wrapper : public PrimitiveWrapper<InputPrimitive, OutputPrimitive> { |
| public: |
| crypto::tink::util::StatusOr<std::unique_ptr<OutputPrimitive>> Wrap( |
| std::unique_ptr<PrimitiveSet<InputPrimitive>> primitive_set) |
| const override { |
| auto result = absl::make_unique<OutputPrimitive>(); |
| for (const auto* entry : primitive_set->get_all()) { |
| (*result).push_back( |
| std::make_pair(entry->get_key_id(), entry->get_primitive())); |
| if (entry->get_key_id() == primitive_set->get_primary()->get_key_id()) { |
| result->back().second.append(" (primary)"); |
| } |
| } |
| return result; |
| } |
| }; |
| |
| crypto::tink::util::StatusOr<std::unique_ptr<InputPrimitive>> CreateIn( |
| const google::crypto::tink::KeyData& key_data) { |
| if (absl::StartsWith(key_data.type_url(), "error:")) { |
| return crypto::tink::util::Status( |
| crypto::tink::util::error::INVALID_ARGUMENT, key_data.type_url()); |
| } else { |
| return absl::make_unique<InputPrimitive>(key_data.type_url()); |
| } |
| } |
| |
| google::crypto::tink::KeyData OnlyTypeUrlKeyData(absl::string_view type_url) { |
| google::crypto::tink::KeyData result; |
| result.set_type_url(std::string(type_url)); |
| return result; |
| } |
| |
| google::crypto::tink::Keyset CreateKeyset( |
| const std::vector<std::pair<int, std::string>>& keydata) { |
| google::crypto::tink::Keyset keyset; |
| for (const auto& pair : keydata) { |
| AddKeyData(OnlyTypeUrlKeyData(pair.second), pair.first, |
| google::crypto::tink::OutputPrefixType::TINK, |
| google::crypto::tink::KeyStatusType::ENABLED, &keyset); |
| } |
| return keyset; |
| } |
| |
| TEST(KeysetWrapperImplTest, Basic) { |
| Wrapper wrapper; |
| auto wrapper_or = |
| absl::make_unique<KeysetWrapperImpl<InputPrimitive, OutputPrimitive>>( |
| &wrapper, &CreateIn); |
| std::vector<std::pair<int, std::string>> keydata = { |
| {111, "one"}, {222, "two"}, {333, "three"}}; |
| google::crypto::tink::Keyset keyset = CreateKeyset(keydata); |
| keyset.set_primary_key_id(222); |
| |
| util::StatusOr<std::unique_ptr<OutputPrimitive>> wrapped = |
| wrapper_or->Wrap(keyset); |
| |
| ASSERT_THAT(wrapped.status(), IsOk()); |
| ASSERT_THAT(*wrapped.ValueOrDie(), |
| UnorderedElementsAre(Pair(111, "one"), Pair(222, "two (primary)"), |
| Pair(333, "three"))); |
| } |
| |
| TEST(KeysetWrapperImplTest, FailingGetPrimitive) { |
| Wrapper wrapper; |
| auto wrapper_or = |
| absl::make_unique<KeysetWrapperImpl<InputPrimitive, OutputPrimitive>>( |
| &wrapper, &CreateIn); |
| std::vector<std::pair<int, std::string>> keydata = {{1, "ok:one"}, |
| {2, "error:two"}}; |
| google::crypto::tink::Keyset keyset = CreateKeyset(keydata); |
| keyset.set_primary_key_id(1); |
| |
| util::StatusOr<std::unique_ptr<OutputPrimitive>> wrapped = |
| wrapper_or->Wrap(keyset); |
| |
| ASSERT_THAT(wrapped.status(), Not(IsOk())); |
| ASSERT_THAT(wrapped.status().error_message(), HasSubstr("error:two")); |
| } |
| |
| // This test checks that validate keyset is called. We simply pass an empty |
| // keyset. |
| TEST(KeysetWrapperImplTest, ValidatesKeyset) { |
| Wrapper wrapper; |
| auto wrapper_or = |
| absl::make_unique<KeysetWrapperImpl<InputPrimitive, OutputPrimitive>>( |
| &wrapper, &CreateIn); |
| util::StatusOr<std::unique_ptr<OutputPrimitive>> wrapped = |
| wrapper_or->Wrap(google::crypto::tink::Keyset()); |
| |
| ASSERT_THAT(wrapped.status(), Not(IsOk())); |
| } |
| |
| // This test checks that only enabled keys are used to create the primitive set. |
| TEST(KeysetWrapperImplTest, OnlyEnabled) { |
| Wrapper wrapper; |
| auto wrapper_or = |
| absl::make_unique<KeysetWrapperImpl<InputPrimitive, OutputPrimitive>>( |
| &wrapper, &CreateIn); |
| std::vector<std::pair<int, std::string>> keydata = { |
| {111, "one"}, {222, "two"}, {333, "three"}, {444, "four"}}; |
| google::crypto::tink::Keyset keyset = CreateKeyset(keydata); |
| keyset.set_primary_key_id(222); |
| // KeyId 333 is index 2. |
| keyset.mutable_key(2)->set_status(google::crypto::tink::DISABLED); |
| util::StatusOr<std::unique_ptr<OutputPrimitive>> wrapped = |
| wrapper_or->Wrap(keyset); |
| |
| ASSERT_THAT(wrapped.status(), IsOk()); |
| ASSERT_THAT(*wrapped.ValueOrDie(), |
| UnorderedElementsAre(Pair(111, "one"), Pair(222, "two (primary)"), |
| Pair(444, "four"))); |
| } |
| |
| } // namespace |
| |
| } // namespace tink |
| } // namespace crypto |