| // Copyright 2010-2014, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "storage/encrypted_string_storage.h" |
| |
| #include <iostream> |
| |
| #include "base/file_stream.h" |
| #include "base/file_util.h" |
| #include "base/logging.h" |
| #include "base/scoped_ptr.h" |
| #include "base/system_util.h" |
| #include "testing/base/public/gunit.h" |
| |
| DECLARE_string(test_tmpdir); |
| |
| namespace mozc { |
| namespace storage { |
| |
| namespace { |
| #ifdef OS_ANDROID |
| // Mock the encryption/decryption for android. |
| // For android, we use Java's library for encryption. However, we cannot use |
| // them, because we cannot launch JVM from native tests on Android. |
| class TestEncryptedStringStorage : public EncryptedStringStorage { |
| public: |
| explicit TestEncryptedStringStorage(const string &filename) |
| : EncryptedStringStorage(filename) { |
| } |
| protected: |
| virtual bool Encrypt(const string &salt, string *data) const { |
| salt_ = salt; |
| original_data_ = *data; |
| *data = "123456789012345678901234567890"; |
| return true; |
| } |
| |
| virtual bool Decrypt(const string &salt, string *data) const { |
| if (salt_ != salt) { |
| return false; |
| } |
| CHECK_EQ(*data, "123456789012345678901234567890"); |
| *data = original_data_; |
| return true; |
| } |
| |
| mutable string salt_; |
| mutable string original_data_; |
| }; |
| #else |
| typedef EncryptedStringStorage TestEncryptedStringStorage; |
| #endif // OS_ANDROID |
| } // namespace |
| |
| class EncryptedStringStorageTest : public testing::Test { |
| protected: |
| void SetUp() { |
| SystemUtil::SetUserProfileDirectory(FLAGS_test_tmpdir); |
| filename_ = FileUtil::JoinPath(SystemUtil::GetUserProfileDirectory(), |
| "encrypted_string_storage_for_test.db"); |
| |
| storage_.reset(new TestEncryptedStringStorage(filename_)); |
| } |
| |
| string filename_; |
| scoped_ptr<EncryptedStringStorage> storage_; |
| }; |
| |
| TEST_F(EncryptedStringStorageTest, SaveAndLoad) { |
| const char *kData = "abcdefghijklmnopqrstuvwxyz"; |
| ASSERT_TRUE(storage_->Save(kData)); |
| |
| string output; |
| ASSERT_TRUE(storage_->Load(&output)); |
| |
| EXPECT_EQ(kData, output); |
| } |
| |
| #ifndef OS_ANDROID |
| // Note: On Android, we cannot check the behavior of Encryption because |
| // it depends on the JVM's behavior, which cannot be launched from native test. |
| TEST_F(EncryptedStringStorageTest, Encrypt) { |
| const string original_data = "abcdefghijklmnopqrstuvwxyz"; |
| ASSERT_TRUE(storage_->Save(original_data)); |
| |
| InputFileStream ifs(filename_.c_str(), (ios::in | ios::binary)); |
| const size_t kBufSize = 128; |
| char buf[kBufSize]; |
| // |ifs.readsome(buf, kBufSize)| returns 0 on Visual C++ because |
| // |ifs.rdbuf()->in_avail()| is still 0 just after the file is opened. |
| // So we use 'read' and 'gcount' instead. |
| ifs.read(buf, kBufSize); |
| const size_t read_size = ifs.gcount(); |
| ifs.peek(); |
| ASSERT_TRUE(ifs.eof()); |
| const string result(buf, read_size); |
| |
| // Saved stirng is longer than original string since it has some data |
| // used for encryption. |
| EXPECT_LT(original_data.size(), result.size()); |
| EXPECT_TRUE(result.find(original_data) == string::npos); |
| } |
| #endif // OS_ANDROID |
| |
| } // namespace storage |
| } // namespace mozc |