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IdentityTheftRestorationPagesUserScript.swift
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IdentityTheftRestorationPagesUserScript.swift
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//
// IdentityTheftRestorationPagesUserScript.swift
// DuckDuckGo
//
// Copyright © 2023 DuckDuckGo. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#if SUBSCRIPTION
import BrowserServicesKit
import Common
import Combine
import Foundation
import WebKit
import UserScript
///
/// The user script that will be the broker for all identity theft protection features
///
public final class IdentityTheftRestorationPagesUserScript: NSObject, UserScript, UserScriptMessaging {
public var source: String = ""
public static let context = "identityTheftRestorationPages"
// special pages messaging cannot be isolated as we'll want regular page-scripts to be able to communicate
public let broker = UserScriptMessageBroker(context: IdentityTheftRestorationPagesUserScript.context, requiresRunInPageContentWorld: false )
public let messageNames: [String] = [
IdentityTheftRestorationPagesUserScript.context
]
public let injectionTime: WKUserScriptInjectionTime = .atDocumentStart
public let forMainFrameOnly = true
public let requiresRunInPageContentWorld = true
}
extension IdentityTheftRestorationPagesUserScript: WKScriptMessageHandlerWithReply {
@MainActor
public func userContentController(_ userContentController: WKUserContentController,
didReceive message: WKScriptMessage) async -> (Any?, String?) {
let action = broker.messageHandlerFor(message)
do {
let json = try await broker.execute(action: action, original: message)
return (json, nil)
} catch {
// forward uncaught errors to the client
return (nil, error.localizedDescription)
}
}
}
extension IdentityTheftRestorationPagesUserScript: WKScriptMessageHandler {
public func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
// unsupported
}
}
#endif