| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "components/policy/core/common/preg_parser.h" |
| |
| #include <utility> |
| |
| #include "base/base_paths.h" |
| #include "base/bind.h" |
| #include "base/files/file_path.h" |
| #include "base/json/json_writer.h" |
| #include "base/logging.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/path_service.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/values.h" |
| #include "components/policy/core/common/policy_load_status.h" |
| #include "components/policy/core/common/registry_dict.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace policy { |
| namespace preg_parser { |
| namespace { |
| |
| // Preg files are relative to |kRegistryPolBaseDir|. |
| const char kRegistryPolBaseDir[] = "chrome/test/data/policy/gpo"; |
| const char kRegistryPolFile[] = "parser_test/registry.pol"; |
| const char kInvalidEncodingRegistryPolFile[] = "invalid_encoding/registry.pol"; |
| const char kNonExistingRegistryPolFile[] = "does_not_exist.pol"; |
| |
| const char kRegistryKey[] = "SOFTWARE\\Policies\\Chromium"; |
| |
| // Check whether two RegistryDicts equal each other. |
| testing::AssertionResult RegistryDictEquals(const RegistryDict& a, |
| const RegistryDict& b) { |
| auto iter_key_a = a.keys().begin(); |
| auto iter_key_b = b.keys().begin(); |
| for (; iter_key_a != a.keys().end() && iter_key_b != b.keys().end(); |
| ++iter_key_a, ++iter_key_b) { |
| if (iter_key_a->first != iter_key_b->first) { |
| return testing::AssertionFailure() << "Key mismatch " << iter_key_a->first |
| << " vs. " << iter_key_b->first; |
| } |
| testing::AssertionResult result = |
| RegistryDictEquals(*iter_key_a->second, *iter_key_b->second); |
| if (!result) |
| return result; |
| } |
| if (iter_key_a != a.keys().end()) |
| return testing::AssertionFailure() |
| << "key mismatch, a has extra key " << iter_key_a->first; |
| if (iter_key_b != b.keys().end()) |
| return testing::AssertionFailure() |
| << "key mismatch, b has extra key " << iter_key_b->first; |
| |
| auto iter_value_a = a.values().begin(); |
| auto iter_value_b = b.values().begin(); |
| for (; iter_value_a != a.values().end() && iter_value_b != b.values().end(); |
| ++iter_value_a, ++iter_value_b) { |
| if (iter_value_a->first != iter_value_b->first || |
| *iter_value_a->second != *iter_value_b->second) { |
| return testing::AssertionFailure() |
| << "Value mismatch " << iter_value_a->first << "=" |
| << *iter_value_a->second << " vs. " << iter_value_b->first << "=" |
| << *iter_value_b->second; |
| } |
| } |
| if (iter_value_a != a.values().end()) |
| return testing::AssertionFailure() |
| << "Value mismatch, a has extra value " << iter_value_a->first << "=" |
| << *iter_value_a->second; |
| if (iter_value_b != b.values().end()) |
| return testing::AssertionFailure() |
| << "Value mismatch, b has extra value " << iter_value_b->first << "=" |
| << *iter_value_b->second; |
| |
| return testing::AssertionSuccess(); |
| } |
| |
| void SetInteger(RegistryDict* dict, const std::string& name, int value) { |
| dict->SetValue(name, base::WrapUnique<base::Value>(new base::Value(value))); |
| } |
| |
| void SetString(RegistryDict* dict, |
| const std::string& name, |
| const std::string& value) { |
| dict->SetValue(name, base::WrapUnique<base::Value>(new base::Value(value))); |
| } |
| |
| class PRegParserTest : public testing::Test { |
| protected: |
| void SetUp() override { |
| ASSERT_TRUE(base::PathService::Get(base::DIR_SOURCE_ROOT, &test_data_dir_)); |
| test_data_dir_ = test_data_dir_.AppendASCII(kRegistryPolBaseDir); |
| } |
| |
| base::FilePath test_data_dir_; |
| }; |
| |
| TEST_F(PRegParserTest, TestParseFile) { |
| // Prepare the test dictionary with some data so the test can check that the |
| // PReg action triggers work, i.e. remove these items. |
| RegistryDict dict; |
| SetInteger(&dict, "DeleteValuesTest1", 1); |
| SetString(&dict, "DeleteValuesTest2", "2"); |
| dict.SetKey("DeleteKeysTest1", std::make_unique<RegistryDict>()); |
| std::unique_ptr<RegistryDict> delete_keys_test(new RegistryDict()); |
| SetInteger(delete_keys_test.get(), "DeleteKeysTest2Entry", 1); |
| dict.SetKey("DeleteKeysTest2", std::move(delete_keys_test)); |
| SetInteger(&dict, "DelTest", 1); |
| std::unique_ptr<RegistryDict> subdict(new RegistryDict()); |
| SetInteger(subdict.get(), "DelValsTest1", 1); |
| SetString(subdict.get(), "DelValsTest2", "2"); |
| subdict->SetKey("DelValsTest3", std::make_unique<RegistryDict>()); |
| dict.SetKey("DelValsTest", std::move(subdict)); |
| |
| // Run the parser. |
| base::FilePath test_file(test_data_dir_.AppendASCII(kRegistryPolFile)); |
| PolicyLoadStatusUmaReporter status; |
| ASSERT_TRUE(preg_parser::ReadFile(test_file, base::ASCIIToUTF16(kRegistryKey), |
| &dict, &status)); |
| |
| // Build the expected output dictionary. |
| RegistryDict expected; |
| std::unique_ptr<RegistryDict> del_vals_dict(new RegistryDict()); |
| del_vals_dict->SetKey("DelValsTest3", std::make_unique<RegistryDict>()); |
| expected.SetKey("DelValsTest", std::move(del_vals_dict)); |
| SetInteger(&expected, "HomepageIsNewTabPage", 1); |
| SetString(&expected, "HomepageLocation", "http://www.example.com"); |
| SetInteger(&expected, "RestoreOnStartup", 4); |
| std::unique_ptr<RegistryDict> startup_urls(new RegistryDict()); |
| SetString(startup_urls.get(), "1", "http://www.chromium.org"); |
| SetString(startup_urls.get(), "2", "http://www.example.com"); |
| expected.SetKey("RestoreOnStartupURLs", std::move(startup_urls)); |
| SetInteger(&expected, "ShowHomeButton", 1); |
| SetString(&expected, "Snowman", "\xE2\x98\x83"); |
| SetString(&expected, "Empty", ""); |
| |
| EXPECT_TRUE(RegistryDictEquals(dict, expected)); |
| } |
| |
| TEST_F(PRegParserTest, SubstringRootInvalid) { |
| // A root of "Aa/Bb/Cc" should not be considered a valid root for a |
| // key like "Aa/Bb/C". |
| base::FilePath test_file(test_data_dir_.AppendASCII(kRegistryPolFile)); |
| RegistryDict empty; |
| PolicyLoadStatusUmaReporter status; |
| |
| // No data should be loaded for partial roots ("Aa/Bb/C"). |
| RegistryDict dict1; |
| ASSERT_TRUE(preg_parser::ReadFile( |
| test_file, base::ASCIIToUTF16("SOFTWARE\\Policies\\Chro"), &dict1, |
| &status)); |
| EXPECT_TRUE(RegistryDictEquals(dict1, empty)); |
| |
| // Safety check with kRegistryKey (dict should not be empty). |
| RegistryDict dict2; |
| ASSERT_TRUE(preg_parser::ReadFile(test_file, base::ASCIIToUTF16(kRegistryKey), |
| &dict2, &status)); |
| EXPECT_FALSE(RegistryDictEquals(dict2, empty)); |
| } |
| |
| TEST_F(PRegParserTest, RejectInvalidStrings) { |
| // Tests whether strings with invalid characters are rejected. |
| base::FilePath test_file( |
| test_data_dir_.AppendASCII(kInvalidEncodingRegistryPolFile)); |
| PolicyLoadStatusUmaReporter status; |
| RegistryDict dict; |
| ASSERT_TRUE(preg_parser::ReadFile(test_file, base::ASCIIToUTF16(kRegistryKey), |
| &dict, &status)); |
| |
| RegistryDict empty; |
| EXPECT_TRUE(RegistryDictEquals(dict, empty)); |
| } |
| |
| TEST_F(PRegParserTest, LoadStatusSampling) { |
| // Tests load status sampling. |
| PolicyLoadStatusUmaReporter status; |
| RegistryDict dict; |
| base::FilePath test_file( |
| test_data_dir_.AppendASCII(kNonExistingRegistryPolFile)); |
| ASSERT_FALSE(preg_parser::ReadFile( |
| test_file, base::ASCIIToUTF16(kRegistryKey), &dict, &status)); |
| |
| PolicyLoadStatusSampler::StatusSet expected_status_set; |
| expected_status_set[POLICY_LOAD_STATUS_STARTED] = true; |
| expected_status_set[POLICY_LOAD_STATUS_READ_ERROR] = true; |
| EXPECT_EQ(expected_status_set, status.GetStatusSet()); |
| } |
| |
| } // namespace |
| } // namespace preg_parser |
| } // namespace policy |