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// Copyright 2014 The Chromium Authors
// 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 <memory>
#include <string>
#include "base/check.h"
#include "base/lazy_instance.h"
#include "base/notimplemented.h"
#include "base/notreached.h"
#include "components/version_info/version_info.h"
#include "extensions/common/core_extensions_api_provider.h"
#include "extensions/common/extension_urls.h"
#include "extensions/common/features/simple_feature.h"
#include "extensions/common/permissions/permission_message_provider.h"
#include "extensions/common/url_pattern_set.h"
#include "extensions/shell/common/shell_extensions_api_provider.h"
namespace extensions {
namespace {
// TODO(jamescook): Refactor ChromePermissionsMessageProvider so we can share
// code. For now, this implementation does nothing.
class ShellPermissionMessageProvider : public PermissionMessageProvider {
public:
ShellPermissionMessageProvider() = default;
ShellPermissionMessageProvider(const ShellPermissionMessageProvider&) =
delete;
ShellPermissionMessageProvider& operator=(
const ShellPermissionMessageProvider&) = delete;
~ShellPermissionMessageProvider() override = default;
// PermissionMessageProvider implementation.
PermissionMessages GetPermissionMessages(
const PermissionIDSet& permissions) const override {
return PermissionMessages();
}
bool IsPrivilegeIncrease(const PermissionSet& granted_permissions,
const PermissionSet& requested_permissions,
Manifest::Type extension_type) const override {
// Ensure we implement this before shipping.
NOTREACHED();
}
PermissionIDSet GetAllPermissionIDs(
const PermissionSet& permissions,
Manifest::Type extension_type) const override {
return PermissionIDSet();
}
};
base::LazyInstance<ShellPermissionMessageProvider>::DestructorAtExit
g_permission_message_provider = LAZY_INSTANCE_INITIALIZER;
} // namespace
ShellExtensionsClient::ShellExtensionsClient()
: webstore_base_url_(extension_urls::kChromeWebstoreBaseURL),
new_webstore_base_url_(extension_urls::kNewChromeWebstoreBaseURL),
webstore_update_url_(extension_urls::kChromeWebstoreUpdateURL) {
AddAPIProvider(std::make_unique<CoreExtensionsAPIProvider>());
AddAPIProvider(std::make_unique<ShellExtensionsAPIProvider>());
}
ShellExtensionsClient::~ShellExtensionsClient() {
}
void ShellExtensionsClient::Initialize() {
// TODO(jamescook): Do we need to whitelist any extensions?
}
void ShellExtensionsClient::InitializeWebStoreUrls(
base::CommandLine* command_line) {}
const PermissionMessageProvider&
ShellExtensionsClient::GetPermissionMessageProvider() const {
NOTIMPLEMENTED();
return g_permission_message_provider.Get();
}
const std::string ShellExtensionsClient::GetProductName() {
return "app_shell";
}
void ShellExtensionsClient::FilterHostPermissions(
const URLPatternSet& hosts,
URLPatternSet* new_hosts,
PermissionIDSet* permissions) const {
NOTIMPLEMENTED();
}
void ShellExtensionsClient::SetScriptingAllowlist(
const ScriptingAllowlist& allowlist) {
scripting_allowlist_ = allowlist;
}
const ExtensionsClient::ScriptingAllowlist&
ShellExtensionsClient::GetScriptingAllowlist() const {
// TODO(jamescook): Real allowlist.
return scripting_allowlist_;
}
URLPatternSet ShellExtensionsClient::GetPermittedChromeSchemeHosts(
const Extension* extension,
const APIPermissionSet& api_permissions) const {
NOTIMPLEMENTED();
return URLPatternSet();
}
bool ShellExtensionsClient::IsScriptableURL(const GURL& url,
std::string* error) const {
// No restrictions on URLs.
return true;
}
const GURL& ShellExtensionsClient::GetWebstoreBaseURL() const {
return webstore_base_url_;
}
const GURL& ShellExtensionsClient::GetNewWebstoreBaseURL() const {
return new_webstore_base_url_;
}
const GURL& ShellExtensionsClient::GetWebstoreUpdateURL() const {
return webstore_update_url_;
}
bool ShellExtensionsClient::IsBlocklistUpdateURL(const GURL& url) const {
// TODO(rockot): Maybe we want to do something else here. For now we accept
// any URL as a blocklist URL because we don't really care.
return true;
}
} // namespace extensions
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