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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/common/extensions/chrome_extensions_client.h"
#include <memory>
#include <set>
#include <string>
#include "base/functional/bind.h"
#include "base/path_service.h"
#include "chrome/common/chrome_paths.h"
#include "extensions/common/extension.h"
#include "extensions/common/file_util.h"
#include "extensions/common/manifest.h"
#include "extensions/common/manifest_handler.h"
#include "extensions/common/manifest_handler_registry.h"
#include "extensions/common/mojom/context_type.mojom.h"
#include "extensions/test/test_context_data.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace extensions {
class ChromeExtensionsClientTest : public testing::Test {
public:
void SetUp() override {
extensions_client_ = std::make_unique<ChromeExtensionsClient>();
ExtensionsClient::Set(extensions_client_.get());
}
private:
std::unique_ptr<ChromeExtensionsClient> extensions_client_;
};
base::span<const char* const> GetFeatureList() {
static constexpr const char* feature_list[] = {"AllowedFeature",
"DisallowedFeature"};
return base::span(feature_list);
}
bool FeatureDelegatedCheck(const std::string& api_full_name,
const Extension* extension,
mojom::ContextType context,
const GURL& url,
Feature::Platform platform,
int context_id,
bool check_developer_mode,
const ContextData& context_data) {
return api_full_name == "AllowedFeature";
}
Feature::FeatureDelegatedAvailabilityCheckMap
CreateFeatureDelegatedAvailabilityCheckMap() {
Feature::FeatureDelegatedAvailabilityCheckMap map;
auto feature_list = GetFeatureList();
for (const auto* item : feature_list) {
map.emplace(item, base::BindRepeating(&FeatureDelegatedCheck));
}
return map;
}
TEST_F(ChromeExtensionsClientTest, FeatureDelegatedAvailabilityCheckMap) {
auto* client = ExtensionsClient::Get();
client->SetFeatureDelegatedAvailabilityCheckMap(
CreateFeatureDelegatedAvailabilityCheckMap());
{
const auto& map = client->GetFeatureDelegatedAvailabilityCheckMap();
EXPECT_EQ(2u, map.size());
ASSERT_EQ(1u, map.count("AllowedFeature"));
bool allowed_result =
map.at("AllowedFeature")
.Run("AllowedFeature", /*extension=*/nullptr,
mojom::ContextType::kUnspecified, GURL(),
Feature::Platform::UNSPECIFIED_PLATFORM, /*context_id*/ 0,
/*check_developer_mode=*/false, TestContextData());
EXPECT_TRUE(allowed_result);
ASSERT_EQ(1u, map.count("DisallowedFeature"));
bool disallowed_result =
map.at("DisallowedFeature")
.Run("DisallowedFeature", /*extension=*/nullptr,
mojom::ContextType::kUnspecified, GURL(),
Feature::Platform::UNSPECIFIED_PLATFORM, /*context_id*/ 0,
/*check_developer_mode=*/false, TestContextData());
EXPECT_FALSE(disallowed_result);
}
}
// Test that a browser action extension returns a path to an icon.
TEST_F(ChromeExtensionsClientTest, GetBrowserImagePaths) {
base::FilePath install_dir;
ASSERT_TRUE(base::PathService::Get(chrome::DIR_TEST_DATA, &install_dir));
install_dir = install_dir.AppendASCII("extensions")
.AppendASCII("api_test")
.AppendASCII("browser_action")
.AppendASCII("basics");
std::string error;
scoped_refptr<Extension> extension(
file_util::LoadExtension(install_dir, mojom::ManifestLocation::kUnpacked,
Extension::NO_FLAGS, &error));
ASSERT_TRUE(extension.get());
// The extension contains one icon.
std::set<base::FilePath> paths =
ExtensionsClient::Get()->GetBrowserImagePaths(extension.get());
ASSERT_EQ(1u, paths.size());
EXPECT_EQ("icon.png", paths.begin()->BaseName().AsUTF8Unsafe());
}
// Test that extensions with zero-length action icons will not load.
TEST_F(ChromeExtensionsClientTest, CheckZeroLengthActionIconFiles) {
base::FilePath install_dir;
ASSERT_TRUE(base::PathService::Get(chrome::DIR_TEST_DATA, &install_dir));
// Try to install an extension with a zero-length browser action icon file.
base::FilePath ext_dir = install_dir.AppendASCII("extensions")
.AppendASCII("bad")
.AppendASCII("Extensions")
.AppendASCII("gggggggggggggggggggggggggggggggg");
std::string error;
scoped_refptr<Extension> extension2(
file_util::LoadExtension(ext_dir, mojom::ManifestLocation::kUnpacked,
Extension::NO_FLAGS, &error));
EXPECT_FALSE(extension2.get());
EXPECT_EQ("Could not load icon 'icon.png' specified in 'browser_action'.",
error);
// Try to install an extension with a zero-length page action icon file.
ext_dir = install_dir.AppendASCII("extensions")
.AppendASCII("bad")
.AppendASCII("Extensions")
.AppendASCII("hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh");
scoped_refptr<Extension> extension3(
file_util::LoadExtension(ext_dir, mojom::ManifestLocation::kUnpacked,
Extension::NO_FLAGS, &error));
EXPECT_FALSE(extension3.get());
EXPECT_EQ("Could not load icon 'icon.png' specified in 'page_action'.",
error);
}
// Test that the ManifestHandlerRegistry handler map hasn't overflowed.
// If this test fails, increase ManifestHandlerRegistry::kHandlerMax.
TEST_F(ChromeExtensionsClientTest, CheckManifestHandlerRegistryForOverflow) {
ManifestHandlerRegistry* registry = ManifestHandlerRegistry::Get();
ASSERT_TRUE(registry);
ASSERT_LT(0u, registry->handlers_.size());
EXPECT_LE(registry->handlers_.size(), ManifestHandlerRegistry::kHandlerMax);
}
} // namespace extensions
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