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// Copyright 2013 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 "chrome/common/extensions/manifest_handlers/ui_overrides_handler.h"
#include <memory>
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/grit/generated_resources.h"
#include "extensions/common/error_utils.h"
#include "extensions/common/feature_switch.h"
#include "extensions/common/manifest_constants.h"
#include "extensions/common/permissions/manifest_permission.h"
#include "extensions/common/permissions/permissions_data.h"
#include "extensions/common/permissions/permissions_info.h"
#include "ipc/ipc_message.h"
using extensions::api::manifest_types::ChromeUIOverrides;
namespace extensions {
// The manifest permission implementation supports a permission for overriding
// the bookmark UI.
class UIOverridesHandler::ManifestPermissionImpl : public ManifestPermission {
public:
explicit ManifestPermissionImpl(bool override_bookmarks_ui_permission)
: override_bookmarks_ui_permission_(override_bookmarks_ui_permission) {}
// extensions::ManifestPermission overrides.
std::string name() const override { return manifest_keys::kUIOverride; }
std::string id() const override { return name(); }
PermissionIDSet GetPermissions() const override {
PermissionIDSet permissions;
if (override_bookmarks_ui_permission_) {
// TODO(sashab): Add rule to ChromePermissionMessageProvider:
// kOverrideBookmarksUI ->
// IDS_EXTENSION_PROMPT_WARNING_OVERRIDE_BOOKMARKS_UI
permissions.insert(APIPermission::kOverrideBookmarksUI);
}
return permissions;
}
bool FromValue(const base::Value* value) override {
return value && value->GetAsBoolean(&override_bookmarks_ui_permission_);
}
std::unique_ptr<base::Value> ToValue() const override {
return std::unique_ptr<base::Value>(
new base::Value(override_bookmarks_ui_permission_));
}
std::unique_ptr<ManifestPermission> Diff(
const ManifestPermission* rhs) const override {
const ManifestPermissionImpl* other =
static_cast<const ManifestPermissionImpl*>(rhs);
return std::make_unique<ManifestPermissionImpl>(
override_bookmarks_ui_permission_ &&
!other->override_bookmarks_ui_permission_);
}
std::unique_ptr<ManifestPermission> Union(
const ManifestPermission* rhs) const override {
const ManifestPermissionImpl* other =
static_cast<const ManifestPermissionImpl*>(rhs);
return std::make_unique<ManifestPermissionImpl>(
override_bookmarks_ui_permission_ ||
other->override_bookmarks_ui_permission_);
}
std::unique_ptr<ManifestPermission> Intersect(
const ManifestPermission* rhs) const override {
const ManifestPermissionImpl* other =
static_cast<const ManifestPermissionImpl*>(rhs);
return std::make_unique<ManifestPermissionImpl>(
override_bookmarks_ui_permission_ &&
other->override_bookmarks_ui_permission_);
}
private:
bool override_bookmarks_ui_permission_;
};
UIOverrides::UIOverrides() {}
UIOverrides::~UIOverrides() {}
const UIOverrides* UIOverrides::Get(const Extension* extension) {
return static_cast<UIOverrides*>(
extension->GetManifestData(manifest_keys::kUIOverride));
}
bool UIOverrides::RemovesBookmarkButton(const Extension* extension) {
const UIOverrides* ui_overrides = Get(extension);
return ui_overrides && ui_overrides->bookmarks_ui &&
ui_overrides->bookmarks_ui->remove_button &&
*ui_overrides->bookmarks_ui->remove_button;
}
bool UIOverrides::RemovesBookmarkShortcut(const Extension* extension) {
const UIOverrides* ui_overrides = Get(extension);
return ui_overrides && ui_overrides->bookmarks_ui &&
ui_overrides->bookmarks_ui->remove_bookmark_shortcut &&
*ui_overrides->bookmarks_ui->remove_bookmark_shortcut;
}
bool UIOverrides::RemovesBookmarkAllTabsShortcut(const Extension* extension) {
const UIOverrides* ui_overrides = Get(extension);
return ui_overrides && ui_overrides->bookmarks_ui &&
ui_overrides->bookmarks_ui->remove_bookmark_open_pages_shortcut &&
*ui_overrides->bookmarks_ui->remove_bookmark_open_pages_shortcut;
}
UIOverridesHandler::UIOverridesHandler() {}
UIOverridesHandler::~UIOverridesHandler() {}
bool UIOverridesHandler::Parse(Extension* extension, base::string16* error) {
const base::Value* dict = NULL;
CHECK(extension->manifest()->Get(manifest_keys::kUIOverride, &dict));
std::unique_ptr<ChromeUIOverrides> overrides(
ChromeUIOverrides::FromValue(*dict, error));
if (!overrides)
return false;
std::unique_ptr<UIOverrides> info(new UIOverrides);
info->bookmarks_ui.swap(overrides->bookmarks_ui);
if (!info->bookmarks_ui) {
*error = ErrorUtils::FormatErrorMessageUTF16(
manifest_errors::kInvalidEmptyDictionary,
manifest_keys::kUIOverride);
return false;
}
info->manifest_permission.reset(new ManifestPermissionImpl(
info->bookmarks_ui.get() != NULL));
extension->SetManifestData(manifest_keys::kUIOverride, std::move(info));
return true;
}
bool UIOverridesHandler::Validate(const Extension* extension,
std::string* error,
std::vector<InstallWarning>* warnings) const {
const UIOverrides* ui_overrides = UIOverrides::Get(extension);
if (ui_overrides && ui_overrides->bookmarks_ui) {
if (!FeatureSwitch::enable_override_bookmarks_ui()->IsEnabled()) {
warnings->push_back(InstallWarning(
ErrorUtils::FormatErrorMessage(
manifest_errors::kUnrecognizedManifestProperty,
manifest_keys::kBookmarkUI,
manifest_keys::kUIOverride)));
}
}
return true;
}
ManifestPermission* UIOverridesHandler::CreatePermission() {
return new ManifestPermissionImpl(false);
}
ManifestPermission* UIOverridesHandler::CreateInitialRequiredPermission(
const Extension* extension) {
const UIOverrides* data = UIOverrides::Get(extension);
if (data)
return data->manifest_permission->Clone().release();
return NULL;
}
base::span<const char* const> UIOverridesHandler::Keys() const {
static constexpr const char* kKeys[] = {manifest_keys::kUIOverride};
return kKeys;
}
} // namespace extensions
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