passforios/pass/Controllers/PGPKeySettingTableViewController.swift

75 lines
3.4 KiB
Swift

//
// PGPKeySettingTableViewController.swift
// pass
//
// Created by Mingshen Sun on 21/1/2017.
// Copyright © 2017 Bob Sun. All rights reserved.
//
import UIKit
import SwiftyUserDefaults
class PGPKeySettingTableViewController: UITableViewController {
@IBOutlet weak var pgpPublicKeyURLTextField: UITextField!
@IBOutlet weak var pgpPrivateKeyURLTextField: UITextField!
var pgpPassphrase: String?
let passwordStore = PasswordStore.shared
override func viewDidLoad() {
super.viewDidLoad()
tableView.rowHeight = UITableViewAutomaticDimension
pgpPublicKeyURLTextField.text = Defaults[.pgpPublicKeyURL]?.absoluteString
pgpPrivateKeyURLTextField.text = Defaults[.pgpPrivateKeyURL]?.absoluteString
pgpPassphrase = passwordStore.pgpKeyPassphrase
}
private func createSavePassphraseAndSegueAlert() -> UIAlertController {
let savePassphraseAlert = UIAlertController(title: "Passphrase", message: "Do you want to save the passphrase for later decryption?", preferredStyle: UIAlertControllerStyle.alert)
savePassphraseAlert.addAction(UIAlertAction(title: "No", style: UIAlertActionStyle.default) { _ in
Defaults[.isRememberPassphraseOn] = false
self.performSegue(withIdentifier: "savePGPKeySegue", sender: self)
})
savePassphraseAlert.addAction(UIAlertAction(title: "Save", style: UIAlertActionStyle.destructive) {_ in
Defaults[.isRememberPassphraseOn] = true
self.performSegue(withIdentifier: "savePGPKeySegue", sender: self)
})
return savePassphraseAlert
}
override func shouldPerformSegue(withIdentifier identifier: String, sender: Any?) -> Bool {
if identifier == "savePGPKeySegue" {
guard validatePGPKeyURL(input: pgpPublicKeyURLTextField.text) == true,
validatePGPKeyURL(input: pgpPrivateKeyURLTextField.text) == true else {
return false
}
}
return true
}
private func validatePGPKeyURL(input: String?) -> Bool {
guard let path = input, let url = URL(string: path) else {
Utils.alert(title: "Cannot Save PGP Key", message: "Please set PGP Key URL first.", controller: self, completion: nil)
return false
}
guard let scheme = url.scheme, scheme == "https", scheme == "https" else {
Utils.alert(title: "Cannot Save PGP Key", message: "HTTP connection is not supported.", controller: self, completion: nil)
return false
}
return true
}
@IBAction func save(_ sender: Any) {
let alert = UIAlertController(title: "Passphrase", message: "Please fill in the passphrase of your PGP secret key.", preferredStyle: UIAlertControllerStyle.alert)
alert.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.default, handler: {_ in
self.pgpPassphrase = alert.textFields?.first?.text
let savePassphraseAndSegueAlert = self.createSavePassphraseAndSegueAlert()
self.present(savePassphraseAndSegueAlert, animated: true, completion: nil)
}))
alert.addTextField(configurationHandler: {(textField: UITextField!) in
textField.text = self.pgpPassphrase
textField.isSecureTextEntry = true
})
self.present(alert, animated: true, completion: nil)
}
}