SideStore/SideStoreApp/Sources/SideStoreAppKit/Operations/FetchAnisetteDataOperation.swift

//
//  FetchAnisetteDataOperation.swift
//  AltStore
//
//  Created by Riley Testut on 1/7/20.
//  Copyright © 2020 Riley Testut. All rights reserved.
//

import Foundation

import AltSign
import SideStoreCore
import RoxasUIKit

@objc(FetchAnisetteDataOperation)
final class FetchAnisetteDataOperation: ResultOperation<ALTAnisetteData> {
    let context: OperationContext

    init(context: OperationContext) {
        self.context = context
    }

    override func main() {
        super.main()

        if let error = context.error {
            finish(.failure(error))
            return
        }

        let url = AnisetteManager.currentURL
        DLOG("Anisette URL: %@", url.absoluteString)

        let task = URLSession.shared.dataTask(with: url) { data, _, error in
            guard let data = data, error == nil else { return }

            do {
                // make sure this JSON is in the format we expect
                // convert data to json
                if let json = try JSONSerialization.jsonObject(with: data, options: []) as? [String: String] {
                    // try to read out a dictionary
                    // for some reason serial number isn't needed but it doesn't work unless it has a value
                    let formattedJSON: [String: String] = ["machineID": json["X-Apple-I-MD-M"]!, "oneTimePassword": json["X-Apple-I-MD"]!, "localUserID": json["X-Apple-I-MD-LU"]!, "routingInfo": json["X-Apple-I-MD-RINFO"]!, "deviceUniqueIdentifier": json["X-Mme-Device-Id"]!, "deviceDescription": json["X-MMe-Client-Info"]!, "date": json["X-Apple-I-Client-Time"]!, "locale": json["X-Apple-Locale"]!, "timeZone": json["X-Apple-I-TimeZone"]!, "deviceSerialNumber": "1"]

                    if let anisette = ALTAnisetteData(json: formattedJSON) {
                        DLOG("Anisette used: %@", formattedJSON)
                        self.finish(.success(anisette))
                    }
                }
            } catch let error as NSError {
                print("Failed to load: \(error.localizedDescription)")
                self.finish(.failure(error))
            }
        }

        task.resume()
    }
}