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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 "extensions/common/api/generated_schemas.h"
#include "extensions/common/api/sockets/sockets_manifest_handler.h"
#include "extensions/common/common_manifest_handlers.h"
#include "extensions/common/features/api_feature.h"
#include "extensions/common/features/base_feature_provider.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() {}
virtual ~ShellPermissionMessageProvider() {}
// PermissionMessageProvider implementation.
virtual PermissionMessages GetPermissionMessages(
const PermissionSet* permissions,
Manifest::Type extension_type) const OVERRIDE {
return PermissionMessages();
}
virtual std::vector<base::string16> GetWarningMessages(
const PermissionSet* permissions,
Manifest::Type extension_type) const OVERRIDE {
return std::vector<base::string16>();
}
virtual std::vector<base::string16> GetWarningMessagesDetails(
const PermissionSet* permissions,
Manifest::Type extension_type) const OVERRIDE {
return std::vector<base::string16>();
}
virtual 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;
}
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();
// TODO(rockot): API manifest handlers which move out to src/extensions
// should either end up in RegisterCommonManifestHandlers or some new
// initialization step specifically for API manifest handlers.
(new SocketsManifestHandler)->Register();
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();
}
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 {
NOTREACHED();
}
return provider.Pass();
}
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 {
NOTREACHED();
source.reset();
}
return source.Pass();
}
void ShellExtensionsClient::FilterHostPermissions(
const URLPatternSet& hosts,
URLPatternSet* new_hosts,
std::set<PermissionMessage>* messages) 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 {
// TODO(rockot): Remove dependency on src/chrome once we have some core APIs
// moved out. See http://crbug.com/349042.
// Special-case our simplified app.runtime implementation because we don't
// have the Chrome app APIs available.
return core_api::GeneratedSchemas::IsGenerated(name) ||
shell_api::GeneratedSchemas::IsGenerated(name);
}
base::StringPiece ShellExtensionsClient::GetAPISchema(
const std::string& name) const {
// Schema for chrome.shell APIs.
if (shell_api::GeneratedSchemas::IsGenerated(name))
return shell_api::GeneratedSchemas::Get(name);
return core_api::GeneratedSchemas::Get(name);
}
void ShellExtensionsClient::RegisterAPISchemaResources(
ExtensionAPI* api) const {
}
bool ShellExtensionsClient::ShouldSuppressFatalErrors() const {
return true;
}
} // namespace extensions
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