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// Copyright 2014 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 "extensions/shell/common/shell_extensions_client.h"
#include "base/lazy_instance.h"
#include "base/logging.h"
#include "base/macros.h"
#include "extensions/common/api/generated_schemas.h"
#include "extensions/common/common_manifest_handlers.h"
#include "extensions/common/extension_urls.h"
#include "extensions/common/features/api_feature.h"
#include "extensions/common/features/base_feature_provider.h"
#include "extensions/common/features/behavior_feature.h"
#include "extensions/common/features/json_feature_provider_source.h"
#include "extensions/common/features/manifest_feature.h"
#include "extensions/common/features/permission_feature.h"
#include "extensions/common/features/simple_feature.h"
#include "extensions/common/manifest_handler.h"
#include "extensions/common/permissions/permission_message_provider.h"
#include "extensions/common/permissions/permissions_info.h"
#include "extensions/common/permissions/permissions_provider.h"
#include "extensions/common/url_pattern_set.h"
#include "extensions/shell/common/api/generated_schemas.h"
#include "grit/app_shell_resources.h"
#include "grit/extensions_resources.h"
namespace extensions {
namespace {
template <class FeatureClass>
SimpleFeature* CreateFeature() {
return new FeatureClass;
}
// TODO(jamescook): Refactor ChromePermissionsMessageProvider so we can share
// code. For now, this implementation does nothing.
class ShellPermissionMessageProvider : public PermissionMessageProvider {
public:
ShellPermissionMessageProvider() {}
~ShellPermissionMessageProvider() override {}
// PermissionMessageProvider implementation.
PermissionMessages GetPermissionMessages(
const PermissionIDSet& permissions) const override {
return PermissionMessages();
}
bool IsPrivilegeIncrease(const PermissionSet& old_permissions,
const PermissionSet& new_permissions,
Manifest::Type extension_type) const override {
// Ensure we implement this before shipping.
CHECK(false);
return false;
}
PermissionIDSet GetAllPermissionIDs(
const PermissionSet& permissions,
Manifest::Type extension_type) const override {
return PermissionIDSet();
}
private:
DISALLOW_COPY_AND_ASSIGN(ShellPermissionMessageProvider);
};
base::LazyInstance<ShellPermissionMessageProvider>
g_permission_message_provider = LAZY_INSTANCE_INITIALIZER;
} // namespace
ShellExtensionsClient::ShellExtensionsClient()
: extensions_api_permissions_(ExtensionsAPIPermissions()) {
}
ShellExtensionsClient::~ShellExtensionsClient() {
}
void ShellExtensionsClient::Initialize() {
RegisterCommonManifestHandlers();
ManifestHandler::FinalizeRegistration();
// TODO(jamescook): Do we need to whitelist any extensions?
PermissionsInfo::GetInstance()->AddProvider(extensions_api_permissions_);
}
const PermissionMessageProvider&
ShellExtensionsClient::GetPermissionMessageProvider() const {
NOTIMPLEMENTED();
return g_permission_message_provider.Get();
}
const std::string ShellExtensionsClient::GetProductName() {
return "app_shell";
}
scoped_ptr<FeatureProvider> ShellExtensionsClient::CreateFeatureProvider(
const std::string& name) const {
scoped_ptr<FeatureProvider> provider;
scoped_ptr<JSONFeatureProviderSource> source(
CreateFeatureProviderSource(name));
if (name == "api") {
provider.reset(new BaseFeatureProvider(source->dictionary(),
CreateFeature<APIFeature>));
} else if (name == "manifest") {
provider.reset(new BaseFeatureProvider(source->dictionary(),
CreateFeature<ManifestFeature>));
} else if (name == "permission") {
provider.reset(new BaseFeatureProvider(source->dictionary(),
CreateFeature<PermissionFeature>));
} else if (name == "behavior") {
provider.reset(new BaseFeatureProvider(source->dictionary(),
CreateFeature<BehaviorFeature>));
} else {
NOTREACHED();
}
return provider;
}
scoped_ptr<JSONFeatureProviderSource>
ShellExtensionsClient::CreateFeatureProviderSource(
const std::string& name) const {
scoped_ptr<JSONFeatureProviderSource> source(
new JSONFeatureProviderSource(name));
if (name == "api") {
source->LoadJSON(IDR_EXTENSION_API_FEATURES);
source->LoadJSON(IDR_SHELL_EXTENSION_API_FEATURES);
} else if (name == "manifest") {
source->LoadJSON(IDR_EXTENSION_MANIFEST_FEATURES);
} else if (name == "permission") {
source->LoadJSON(IDR_EXTENSION_PERMISSION_FEATURES);
} else if (name == "behavior") {
source->LoadJSON(IDR_EXTENSION_BEHAVIOR_FEATURES);
} else {
NOTREACHED();
source.reset();
}
return source;
}
void ShellExtensionsClient::FilterHostPermissions(
const URLPatternSet& hosts,
URLPatternSet* new_hosts,
PermissionIDSet* permissions) const {
NOTIMPLEMENTED();
}
void ShellExtensionsClient::SetScriptingWhitelist(
const ScriptingWhitelist& whitelist) {
scripting_whitelist_ = whitelist;
}
const ExtensionsClient::ScriptingWhitelist&
ShellExtensionsClient::GetScriptingWhitelist() const {
// TODO(jamescook): Real whitelist.
return scripting_whitelist_;
}
URLPatternSet ShellExtensionsClient::GetPermittedChromeSchemeHosts(
const Extension* extension,
const APIPermissionSet& api_permissions) const {
NOTIMPLEMENTED();
return URLPatternSet();
}
bool ShellExtensionsClient::IsScriptableURL(const GURL& url,
std::string* error) const {
NOTIMPLEMENTED();
return true;
}
bool ShellExtensionsClient::IsAPISchemaGenerated(
const std::string& name) const {
return api::GeneratedSchemas::IsGenerated(name) ||
shell::api::ShellGeneratedSchemas::IsGenerated(name);
}
base::StringPiece ShellExtensionsClient::GetAPISchema(
const std::string& name) const {
// Schema for app_shell-only APIs.
if (shell::api::ShellGeneratedSchemas::IsGenerated(name))
return shell::api::ShellGeneratedSchemas::Get(name);
// Core extensions APIs.
return api::GeneratedSchemas::Get(name);
}
void ShellExtensionsClient::RegisterAPISchemaResources(
ExtensionAPI* api) const {
}
bool ShellExtensionsClient::ShouldSuppressFatalErrors() const {
return true;
}
void ShellExtensionsClient::RecordDidSuppressFatalError() {
}
std::string ShellExtensionsClient::GetWebstoreBaseURL() const {
return extension_urls::kChromeWebstoreBaseURL;
}
std::string ShellExtensionsClient::GetWebstoreUpdateURL() const {
return extension_urls::kChromeWebstoreUpdateURL;
}
bool ShellExtensionsClient::IsBlacklistUpdateURL(const GURL& url) const {
// TODO(rockot): Maybe we want to do something else here. For now we accept
// any URL as a blacklist URL because we don't really care.
return true;
}
} // namespace extensions
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