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// Copyright 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 <utility>
#include "base/json/json_reader.h"
#include "base/strings/stringprintf.h"
#include "build/build_config.h"
#include "chrome/browser/extensions/external_policy_loader.h"
#include "chrome/browser/extensions/policy_handlers.h"
#include "components/policy/core/browser/policy_error_map.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/core/common/policy_types.h"
#include "components/policy/core/common/schema.h"
#include "components/policy/policy_constants.h"
#include "components/prefs/pref_value_map.h"
#include "extensions/browser/pref_names.h"
#include "testing/gtest/include/gtest/gtest.h"
#if defined(OS_WIN)
#include "base/win/win_util.h"
#endif
namespace extensions {
const char kTestPref[] = "unit_test.test_pref";
const char kTestManagementPolicy1[] =
"{"
" \"abcdefghijklmnopabcdefghijklmnop\": {"
" \"installation_mode\": \"force_installed\","
" },"
"}";
const char kTestManagementPolicy2[] =
"{"
" \"abcdefghijklmnopabcdefghijklmnop\": {"
" \"installation_mode\": \"force_installed\","
" \"update_url\": \"http://example.com/app\","
" },"
" \"*\": {"
" \"installation_mode\": \"blocked\","
" },"
"}";
const char kTestManagementPolicy3[] =
"{"
" \"*\": {"
" \"runtime_blocked_hosts\": [\"%s\"]"
" }"
"}";
const char kTestManagementPolicy4[] =
"{"
" \"*\": {"
" \"runtime_allowed_hosts\": [\"%s\"]"
" }"
"}";
TEST(ExtensionListPolicyHandlerTest, CheckPolicySettings) {
base::ListValue list;
policy::PolicyMap policy_map;
policy::PolicyErrorMap errors;
ExtensionListPolicyHandler handler(
policy::key::kExtensionInstallBlacklist, kTestPref, true);
policy_map.Set(policy::key::kExtensionInstallBlacklist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_TRUE(errors.empty());
list.AppendString("abcdefghijklmnopabcdefghijklmnop");
policy_map.Set(policy::key::kExtensionInstallBlacklist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_TRUE(errors.empty());
list.AppendString("*");
policy_map.Set(policy::key::kExtensionInstallBlacklist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_TRUE(errors.empty());
list.AppendString("invalid");
policy_map.Set(policy::key::kExtensionInstallBlacklist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_FALSE(errors.empty());
EXPECT_FALSE(
errors.GetErrors(policy::key::kExtensionInstallBlacklist).empty());
}
TEST(ExtensionSettingsPolicyHandlerTest, CheckPolicySettingsURL) {
std::vector<std::string> good_urls = {"*://*.example.com", "*://example.com",
"http://cat.example.com", "<all_urls>"};
// Invalid URLPattern or with a non-standard path
std::vector<std::string> bad_urls = {
"://*.example.com", "*://example.com/cat*", "*://example.com/",
"*://*.example.com/*cat", "*://example.com/cat/*", "bad",
"*://example.com/*", "https://example.*", "*://*.example.*"};
// Crafts and parses a ExtensionSettings policy to test URL parsing.
auto url_parses_successfully = [](const char* policy_template,
const std::string& url) {
std::string policy = base::StringPrintf(policy_template, url.c_str());
std::string error;
std::unique_ptr<base::Value> policy_value =
base::JSONReader::ReadAndReturnError(
policy, base::JSONParserOptions::JSON_ALLOW_TRAILING_COMMAS,
nullptr, &error);
if (!policy_value)
return false;
policy::Schema chrome_schema =
policy::Schema::Wrap(policy::GetChromeSchemaData());
policy::PolicyMap policy_map;
ExtensionSettingsPolicyHandler handler(chrome_schema);
policy_map.Set(policy::key::kExtensionSettings,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, std::move(policy_value),
nullptr);
policy::PolicyErrorMap errors;
return handler.CheckPolicySettings(policy_map, &errors) && errors.empty();
};
for (const std::string& url : good_urls) {
EXPECT_TRUE(url_parses_successfully(kTestManagementPolicy3, url)) << url;
EXPECT_TRUE(url_parses_successfully(kTestManagementPolicy4, url)) << url;
}
for (const std::string& url : bad_urls) {
EXPECT_FALSE(url_parses_successfully(kTestManagementPolicy3, url)) << url;
EXPECT_FALSE(url_parses_successfully(kTestManagementPolicy4, url)) << url;
}
}
TEST(ExtensionListPolicyHandlerTest, ApplyPolicySettings) {
base::ListValue policy;
base::ListValue expected;
policy::PolicyMap policy_map;
PrefValueMap prefs;
base::Value* value = NULL;
ExtensionListPolicyHandler handler(
policy::key::kExtensionInstallBlacklist, kTestPref, false);
policy.AppendString("abcdefghijklmnopabcdefghijklmnop");
expected.AppendString("abcdefghijklmnopabcdefghijklmnop");
policy_map.Set(policy::key::kExtensionInstallBlacklist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, policy.CreateDeepCopy(), nullptr);
handler.ApplyPolicySettings(policy_map, &prefs);
EXPECT_TRUE(prefs.GetValue(kTestPref, &value));
EXPECT_EQ(expected, *value);
policy.AppendString("invalid");
policy_map.Set(policy::key::kExtensionInstallBlacklist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, policy.CreateDeepCopy(), nullptr);
handler.ApplyPolicySettings(policy_map, &prefs);
EXPECT_TRUE(prefs.GetValue(kTestPref, &value));
EXPECT_EQ(expected, *value);
}
TEST(ExtensionInstallForcelistPolicyHandlerTest, CheckPolicySettings) {
base::ListValue list;
policy::PolicyMap policy_map;
policy::PolicyErrorMap errors;
ExtensionInstallForcelistPolicyHandler handler;
// Start with an empty policy.
policy_map.Set(policy::key::kExtensionInstallForcelist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_TRUE(errors.empty());
// Add a correct entry. No errors should be generated.
list.AppendString("abcdefghijklmnopabcdefghijklmnop;http://example.com");
policy_map.Set(policy::key::kExtensionInstallForcelist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_TRUE(errors.empty());
// Add an erroneous entry. This should generate an error, but the good
// entry should still be translated successfully.
list.AppendString("adfasdf;http://example.com");
policy_map.Set(policy::key::kExtensionInstallForcelist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_EQ(1U, errors.size());
// Add an entry with bad URL, which should generate another error.
list.AppendString("abcdefghijklmnopabcdefghijklmnop;nourl");
policy_map.Set(policy::key::kExtensionInstallForcelist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_EQ(2U, errors.size());
// Just an extension ID should be accepted.
list.AppendString("abcdefghijklmnopabcdefghijklmnop");
policy_map.Set(policy::key::kExtensionInstallForcelist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_EQ(2U, errors.size());
}
TEST(ExtensionInstallForcelistPolicyHandlerTest, ApplyPolicySettings) {
base::ListValue policy;
base::DictionaryValue expected;
policy::PolicyMap policy_map;
PrefValueMap prefs;
base::Value* value = NULL;
ExtensionInstallForcelistPolicyHandler handler;
// Start with the policy being missing. This shouldn't affect the pref.
handler.ApplyPolicySettings(policy_map, &prefs);
EXPECT_FALSE(prefs.GetValue(pref_names::kInstallForceList, &value));
EXPECT_FALSE(value);
// Set the policy to an empty value. This shouldn't affect the pref.
policy_map.Set(policy::key::kExtensionInstallForcelist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, policy.CreateDeepCopy(), nullptr);
handler.ApplyPolicySettings(policy_map, &prefs);
EXPECT_TRUE(prefs.GetValue(pref_names::kInstallForceList, &value));
EXPECT_EQ(expected, *value);
// Add a correct entry to the policy. The pref should contain a corresponding
// entry.
policy.AppendString("abcdefghijklmnopabcdefghijklmnop;http://example.com");
extensions::ExternalPolicyLoader::AddExtension(
&expected, "abcdefghijklmnopabcdefghijklmnop", "http://example.com");
policy_map.Set(policy::key::kExtensionInstallForcelist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, policy.CreateDeepCopy(), nullptr);
handler.ApplyPolicySettings(policy_map, &prefs);
EXPECT_TRUE(prefs.GetValue(pref_names::kInstallForceList, &value));
EXPECT_EQ(expected, *value);
// Add a correct entry with an omitted update URL. The pref should contain now
// two entries, with the default update URL substituted for the new entry.
// Note: the URL hardcoded below is part of the public policy contract (as
// documented in the policy_templates.json file), and therefore any changes to
// it must be carefully thought out.
policy.AppendString("bcdefghijklmnopabcdefghijklmnopa");
extensions::ExternalPolicyLoader::AddExtension(
&expected, "bcdefghijklmnopabcdefghijklmnopa",
"https://clients2.google.com/service/update2/crx");
policy_map.Set(policy::key::kExtensionInstallForcelist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, policy.CreateDeepCopy(), nullptr);
handler.ApplyPolicySettings(policy_map, &prefs);
EXPECT_TRUE(prefs.GetValue(pref_names::kInstallForceList, &value));
EXPECT_EQ(expected, *value);
// Add an invalid entry. The pref should still contain two previous entries.
policy.AppendString("invalid");
policy_map.Set(policy::key::kExtensionInstallForcelist,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, policy.CreateDeepCopy(), nullptr);
handler.ApplyPolicySettings(policy_map, &prefs);
EXPECT_TRUE(prefs.GetValue(pref_names::kInstallForceList, &value));
EXPECT_EQ(expected, *value);
}
TEST(ExtensionURLPatternListPolicyHandlerTest, CheckPolicySettings) {
base::ListValue list;
policy::PolicyMap policy_map;
policy::PolicyErrorMap errors;
ExtensionURLPatternListPolicyHandler handler(
policy::key::kExtensionInstallSources, kTestPref);
policy_map.Set(policy::key::kExtensionInstallSources,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_TRUE(errors.empty());
list.AppendString("http://*.google.com/*");
policy_map.Set(policy::key::kExtensionInstallSources,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_TRUE(errors.empty());
list.AppendString("<all_urls>");
policy_map.Set(policy::key::kExtensionInstallSources,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_TRUE(errors.empty());
list.AppendString("invalid");
policy_map.Set(policy::key::kExtensionInstallSources,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_FALSE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_FALSE(errors.empty());
EXPECT_FALSE(errors.GetErrors(policy::key::kExtensionInstallSources).empty());
// URLPattern syntax has a different way to express 'all urls'. Though '*'
// would be compatible today, it would be brittle, so we disallow.
list.AppendString("*");
policy_map.Set(policy::key::kExtensionInstallSources,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
errors.Clear();
EXPECT_FALSE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_FALSE(errors.empty());
EXPECT_FALSE(errors.GetErrors(policy::key::kExtensionInstallSources).empty());
}
TEST(ExtensionURLPatternListPolicyHandlerTest, ApplyPolicySettings) {
base::ListValue list;
policy::PolicyMap policy_map;
PrefValueMap prefs;
base::Value* value = NULL;
ExtensionURLPatternListPolicyHandler handler(
policy::key::kExtensionInstallSources, kTestPref);
list.AppendString("https://corp.monkey.net/*");
policy_map.Set(policy::key::kExtensionInstallSources,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, list.CreateDeepCopy(), nullptr);
handler.ApplyPolicySettings(policy_map, &prefs);
ASSERT_TRUE(prefs.GetValue(kTestPref, &value));
EXPECT_EQ(list, *value);
}
TEST(ExtensionSettingsPolicyHandlerTest, CheckPolicySettings) {
std::string error;
std::unique_ptr<base::Value> policy_value =
base::JSONReader::ReadAndReturnError(
kTestManagementPolicy1,
base::JSONParserOptions::JSON_ALLOW_TRAILING_COMMAS, NULL, &error);
ASSERT_TRUE(policy_value.get()) << error;
policy::Schema chrome_schema =
policy::Schema::Wrap(policy::GetChromeSchemaData());
policy::PolicyMap policy_map;
policy::PolicyErrorMap errors;
ExtensionSettingsPolicyHandler handler(chrome_schema);
policy_map.Set(policy::key::kExtensionSettings,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, std::move(policy_value), nullptr);
// CheckPolicySettings() fails due to missing update URL.
EXPECT_FALSE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_FALSE(errors.empty());
}
TEST(ExtensionSettingsPolicyHandlerTest, ApplyPolicySettings) {
// Mark as enterprise managed.
#if defined(OS_WIN)
base::win::ScopedDomainStateForTesting scoped_domain(true);
#endif
std::string error;
std::unique_ptr<base::Value> policy_value =
base::JSONReader::ReadAndReturnError(
kTestManagementPolicy2,
base::JSONParserOptions::JSON_ALLOW_TRAILING_COMMAS, NULL, &error);
ASSERT_TRUE(policy_value.get()) << error;
policy::Schema chrome_schema =
policy::Schema::Wrap(policy::GetChromeSchemaData());
policy::PolicyMap policy_map;
policy::PolicyErrorMap errors;
PrefValueMap prefs;
ExtensionSettingsPolicyHandler handler(chrome_schema);
policy_map.Set(policy::key::kExtensionSettings,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, policy_value->CreateDeepCopy(),
nullptr);
EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
handler.ApplyPolicySettings(policy_map, &prefs);
base::Value* value = NULL;
ASSERT_TRUE(prefs.GetValue(pref_names::kExtensionManagement, &value));
EXPECT_EQ(*policy_value, *value);
}
// Only enterprise managed machines can auto install extensions from a location
// other than the webstore https://crbug.com/809004.
#if defined(OS_WIN)
TEST(ExtensionSettingsPolicyHandlerTest, NonManagedOffWebstoreExtension) {
// Mark as not enterprise managed.
base::win::ScopedDomainStateForTesting scoped_domain(false);
std::string error;
std::unique_ptr<base::Value> policy_value =
base::JSONReader::ReadAndReturnError(
kTestManagementPolicy2,
base::JSONParserOptions::JSON_ALLOW_TRAILING_COMMAS, nullptr, &error);
ASSERT_TRUE(policy_value.get()) << error;
policy::Schema chrome_schema =
policy::Schema::Wrap(policy::GetChromeSchemaData());
policy::PolicyMap policy_map;
policy::PolicyErrorMap errors;
PrefValueMap prefs;
ExtensionSettingsPolicyHandler handler(chrome_schema);
policy_map.Set(policy::key::kExtensionSettings,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, policy_value->CreateDeepCopy(),
nullptr);
EXPECT_FALSE(handler.CheckPolicySettings(policy_map, &errors));
EXPECT_FALSE(errors.empty());
}
#endif
} // namespace extensions
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