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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/browser/extensions/external_policy_loader.h"
#include <memory>
#include <set>
#include <string>
#include <vector>
#include "base/values.h"
#include "base/version.h"
#include "chrome/browser/extensions/extension_management.h"
#include "chrome/browser/extensions/external_provider_impl.h"
#include "chrome/test/base/testing_profile.h"
#include "components/sync_preferences/testing_pref_service_syncable.h"
#include "content/public/test/browser_task_environment.h"
#include "extensions/browser/external_install_info.h"
#include "extensions/browser/external_provider_interface.h"
#include "extensions/browser/pref_names.h"
#include "extensions/common/extension.h"
#include "extensions/common/mojom/manifest.mojom-shared.h"
#include "testing/gtest/include/gtest/gtest.h"
using content::BrowserThread;
using extensions::mojom::ManifestLocation;
namespace extensions {
class ExternalPolicyLoaderTest : public testing::Test {
public:
ExternalPolicyLoaderTest()
: task_environment_(content::BrowserTaskEnvironment::IO_MAINLOOP) {}
~ExternalPolicyLoaderTest() override = default;
private:
// Needed to satisfy BrowserThread::CurrentlyOn(BrowserThread::UI) checks in
// ExternalProviderImpl.
content::BrowserTaskEnvironment task_environment_;
};
class MockExternalPolicyProviderVisitor
: public ExternalProviderInterface::VisitorInterface {
public:
MockExternalPolicyProviderVisitor() = default;
MockExternalPolicyProviderVisitor(const MockExternalPolicyProviderVisitor&) =
delete;
MockExternalPolicyProviderVisitor& operator=(
const MockExternalPolicyProviderVisitor&) = delete;
// Initialize a provider with |policy_forcelist|, and check that it installs
// exactly the extensions specified in |expected_extensions|.
void Visit(const base::Value::Dict& policy_forcelist,
const std::set<std::string>& expected_extensions) {
profile_ = std::make_unique<TestingProfile>();
profile_->GetTestingPrefService()->SetManagedPref(
pref_names::kInstallForceList, base::Value(policy_forcelist.Clone()));
provider_ = std::make_unique<ExternalProviderImpl>(
this,
new ExternalPolicyLoader(
profile_.get(),
ExtensionManagementFactory::GetForBrowserContext(profile_.get()),
ExternalPolicyLoader::FORCED),
profile_.get(), ManifestLocation::kInvalidLocation,
ManifestLocation::kExternalPolicyDownload, Extension::NO_FLAGS);
// Extensions will be removed from this list as they visited,
// so it should be emptied by the end.
expected_extensions_ = expected_extensions;
provider_->VisitRegisteredExtension();
EXPECT_TRUE(expected_extensions_.empty());
}
bool OnExternalExtensionFileFound(
const ExternalInstallInfoFile& info) override {
ADD_FAILURE() << "There should be no external extensions from files.";
return false;
}
bool OnExternalExtensionUpdateUrlFound(
const ExternalInstallInfoUpdateUrl& info,
bool force_update) override {
// Extension has the correct location.
EXPECT_EQ(ManifestLocation::kExternalPolicyDownload,
info.download_location);
// Provider returns the correct location when asked.
ManifestLocation location1;
std::unique_ptr<base::Version> version1;
provider_->GetExtensionDetails(info.extension_id, &location1, &version1);
EXPECT_EQ(ManifestLocation::kExternalPolicyDownload, location1);
EXPECT_FALSE(version1.get());
// Remove the extension from our list.
EXPECT_EQ(1U, expected_extensions_.erase(info.extension_id));
return true;
}
void OnExternalProviderReady(
const ExternalProviderInterface* provider) override {
EXPECT_EQ(provider, provider_.get());
EXPECT_TRUE(provider->IsReady());
}
void OnExternalProviderUpdateComplete(
const ExternalProviderInterface* provider,
const std::vector<ExternalInstallInfoUpdateUrl>& update_url_extensions,
const std::vector<ExternalInstallInfoFile>& file_extensions,
const std::set<std::string>& removed_extensions) override {
ADD_FAILURE() << "Only win registry provider is expected to call this.";
}
private:
std::set<std::string> expected_extensions_;
std::unique_ptr<TestingProfile> profile_;
std::unique_ptr<ExternalProviderImpl> provider_;
};
TEST_F(ExternalPolicyLoaderTest, PolicyIsParsed) {
base::Value::Dict forced_extensions;
std::set<std::string> expected_extensions;
ExternalPolicyLoader::AddExtension(forced_extensions,
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"http://www.example.com/crx?a=5;b=6");
expected_extensions.insert("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
ExternalPolicyLoader::AddExtension(
forced_extensions, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"https://clients2.google.com/service/update2/crx");
expected_extensions.insert("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
MockExternalPolicyProviderVisitor mv;
mv.Visit(forced_extensions, expected_extensions);
}
TEST_F(ExternalPolicyLoaderTest, InvalidEntriesIgnored) {
base::Value::Dict forced_extensions;
std::set<std::string> expected_extensions;
ExternalPolicyLoader::AddExtension(forced_extensions,
"cccccccccccccccccccccccccccccccc",
"http://www.example.com/crx");
expected_extensions.insert("cccccccccccccccccccccccccccccccc");
// Add invalid entries.
forced_extensions.Set("invalid", "http://www.example.com/crx");
forced_extensions.Set("dddddddddddddddddddddddddddddddd", std::string());
forced_extensions.Set("invalid", "bad");
MockExternalPolicyProviderVisitor mv;
mv.Visit(forced_extensions, expected_extensions);
}
} // namespace extensions
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