CryptoPassphrase  Check-in [5d68f3d40a]

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Comment:iOS: Make more use of native Swift types
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SHA3-256: 5d68f3d40a8d51848be36846102c8eb46d47a0fcf8f64685ead4a2fa1b661561
User & Date: js on 2019-06-19 23:15:26
Other Links: manifest | tags
Context
2019-12-28
22:46
Adjust to ObjFW changes check-in: 31d77b5098 user: js tags: trunk
2019-06-19
23:15
iOS: Make more use of native Swift types check-in: 5d68f3d40a user: js tags: trunk
23:11
Adjust to ObjFW changes check-in: 1b57a79561 user: js tags: trunk
Changes
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Modified iOS/AddSiteController.swift from [209b94f8a1] to [7294aad127].

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                                      preferredStyle: .alert)
        alert.addAction(
            UIAlertAction(title: "OK", style: .default, handler: nil))
        controller.present(alert, animated: true, completion: nil)
    }

    @IBAction func done(_ sender: Any) {
        guard let name = nameField?.text?.ofObject else { return }
        guard let lengthString = lengthField?.text?.ofObject else { return }
        guard let name = nameField?.text else { return }
        guard let lengthString = lengthField?.text else { return }

        guard name.length > 0 else {
        guard name.count > 0 else {
            showAlert(controller: self, title: "Name missing",
                      message: "Please enter a name.")
            return
        }

        var lengthValid = true
        var length: size_t = 0
        OFException.try({
            length = lengthString.decimalValue

        guard let length = UInt(lengthString), length >= 3, length <= 64 else {
            if length < 3 || length > 64 {
                lengthValid = false
            }
        }, catch: { (OFException) in
            lengthValid = false
        })

        guard lengthValid else {
            showAlert(controller: self, title: "Invalid length",
                      message: "Please enter a number between 3 and 64.")
            return
        }

        guard let siteStorage = mainViewController?.siteStorage else { return }

        guard !siteStorage.hasSite(name) else {
            showAlert(controller: self, title: "Site Already Exists",
                      message: "Please pick a name that does not exist yet.")
            return
        }

        let keyFile = self.keyFile?.ofObject
        siteStorage.setSite(name, length: length,
                            legacy: legacySwitch?.isOn ?? false,
                            keyFile: keyFile)
                            isLegacy: legacySwitch?.isOn ?? false,
                            keyFile: self.keyFile)
        mainViewController?.reset()
        navigationController?.popViewController(animated: true)
    }

    @IBAction func cancel(_ sender: Any) {
        navigationController?.popViewController(animated: true)
    }
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Modified iOS/MainViewController.swift from [9c2bb5d1c2] to [2595a319b1].

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 */

import UIKit
import ObjFW

class MainViewController: UIViewController, UISearchBarDelegate,
                          UITableViewDelegate, UITableViewDataSource {
    public var sites = OFArray<OFString>()
    public var sites: [String] = []
    public var siteStorage = SiteStorage()
    @IBOutlet var searchBar: UISearchBar?
    @IBOutlet var tableView: UITableView?

    override func viewDidLoad() {
        super.viewDidLoad()
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        return sites.count
    }

    func tableView(_ tableView: UITableView,
                   cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "site") ??
            UITableViewCell(style: .default, reuseIdentifier: "site")
        cell.textLabel?.text = sites[indexPath.row].nsObject
        cell.textLabel?.text = sites[indexPath.row]
        return cell
    }

    func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
        sites = siteStorage.sites(withFilter: searchBar.text?.ofObject)
        sites = siteStorage.sites(withFilter: searchBar.text)
        tableView?.reloadData()
    }

    func tableView(_ tableView: UITableView,
                   didSelectRowAt indexPath: IndexPath) {
        self.performSegue(withIdentifier: "showDetails", sender: self)
    }
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Modified iOS/ShowDetailsController.swift from [028af44e3c] to [3b6682d3d0].

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    @IBOutlet var nameField: UITextField?
    @IBOutlet var lengthField: UITextField?
    @IBOutlet var legacySwitch: UISwitch?
    @IBOutlet var keyFileField: UITextField?
    @IBOutlet var passphraseField: UITextField?
    public var mainViewController: MainViewController?

    private var name: OFString = "".ofObject
    private var length: size_t = 0
    private var name: String = ""
    private var length: UInt = 0
    private var isLegacy: Bool = false
    private var keyFile: OFString? = nil
    private var keyFile: String? = nil

    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)

        guard let mainViewController = self.mainViewController else { return }
        guard let tableView = mainViewController.tableView else { return }
        let siteStorage = mainViewController.siteStorage
        guard let indexPath = tableView.indexPathForSelectedRow else { return }

        name = mainViewController.sites[indexPath.row]
        length = siteStorage.length(forSite: name)
        isLegacy = siteStorage.isLegacy(site: name)
        keyFile = siteStorage.keyFile(forSite: name)

        nameField?.text = name.nsObject
        nameField?.text = name
        lengthField?.text = "\(length)"
        legacySwitch?.isOn = isLegacy
        keyFileField?.text = keyFile?.nsObject
        keyFileField?.text = keyFile

        tableView.deselectRow(at: indexPath, animated: true)
    }

    func textFieldShouldReturn(_ textField: UITextField) -> Bool {
        textField.resignFirstResponder()
        return false
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            }
        }
    }

    private func generateWithCallback(_ block: (_: NSMutableString) -> ()) {
        let generator: PasswordGenerator = isLegacy ?
            LegacyPasswordGenerator() : NewPasswordGenerator()
        generator.site = name
        generator.length = length
        generator.site = name.ofObject
        generator.length = size_t(length)

        if let keyFile = keyFile {
            guard let documentDirectory = NSSearchPathForDirectoriesInDomains(
                .documentDirectory, .userDomainMask, true).first
            else {
                print("Could not get key files: No documents directory")
                return
            }

            let keyFilePath =
            let keyFilePath = documentDirectory.ofObject.appending(keyFile)
                documentDirectory.ofObject.appending(keyFile.ofObject)
            generator.keyFile = OFMutableData(contentsOfFile: keyFilePath)
        }

        let passphraseText = (passphraseField?.text ?? "") as NSString
        let passphrase = of_strdup(passphraseText.utf8String!)!
        generator.passphrase = UnsafePointer<CChar>(passphrase)
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Modified iOS/SiteStorage.swift from [0a36bee6de] to [0072dc8d4f].

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 * POSSIBILITY OF SUCH DAMAGE.
 */

import ObjFW
import ObjFWBridge

class SiteStorage: OFObject {
    private typealias Storage =
        OFMutableDictionary<OFString, OFDictionary<OFNumber, AnyObject>>

    private static let lengthField = OFNumber(uInt8: 0)
    private static let legacyField = OFNumber(uInt8: 1)
    private static let keyFileField = OFNumber(uInt8: 2)
    private static let lengthField = NSNumber(value: 0)
    private static let legacyField = NSNumber(value: 1)
    private static let keyFileField = NSNumber(value: 2)

    private var path: OFString
    private var storage: Storage
    private var sites: OFArray<OFString>
    private var storage: [String: [NSNumber: AnyObject]]
    private var sites: [String]

    override init() {
        let fileManager = OFFileManager.default
        let userDataPath = OFSystemInfo.userDataPath!

        if !fileManager.directoryExists(atPath: userDataPath) {
            fileManager.createDirectory(atPath: userDataPath)
        }

        let path = userDataPath.appendingPathComponent(
            OFString(utf8String: "sites.msgpack"))
        var storage: Storage? = nil

        var storage: [String: [NSNumber: AnyObject]]? = nil
        OFException.try({
            storage = OFData(contentsOfFile: path).messagePackValue as? Storage
            let decoded = (OFData(contentsOfFile: path).messagePackValue)
                as? OFDictionary<OFString, OFDictionary<OFNumber, AnyObject>>
            storage =
                (decoded?.nsObject as? [String: [NSNumber: AnyObject]]) ?? [:]
        }, catch: { (OFException) in
            storage = OFMutableDictionary()
            storage = [:]
        })

        self.path = path
        self.storage = storage!
        self.sites = self.storage.allKeys.sorted
        self.sites = self.storage.keys.sorted()
    }

    func sites(withFilter filter: OFString?) -> OFArray<OFString> {
    func sites(withFilter filter: String?) -> [String] {
        // FIXME: We need case folding here, but there is no method for it yet.
        let filter = filter?.lowercase

        return storage.keys.sorted().filter({ (name) in
            if let filter = filter {
                return name.localizedCaseInsensitiveContains(filter)
        return storage.allKeys.sorted.filteredArray({
            (name: Any, index: size_t) -> Bool in
            if filter == nil {
                return true
            }

            }
            let name = name as! OFString
            return name.lowercase.contains(filter!)
            return true
        })
    }

    func hasSite(_ name: OFString) -> Bool {
    func hasSite(_ name: String) -> Bool {
        return (storage[name] != nil)
    }

    func length(forSite name: OFString) -> size_t {
    func length(forSite name: String) -> UInt {
        guard let site = storage[name] else {
            OFInvalidArgumentException().throw()
        }

        return (site[SiteStorage.lengthField] as! OFNumber).sizeValue
        return (site[SiteStorage.lengthField] as! NSNumber).uintValue
    }

    func isLegacy(site name: OFString) -> Bool {
        guard let site = storage[name] else {
            OFInvalidArgumentException().throw()
        }

    func isLegacy(site name: String) -> Bool {
        guard let site = storage[name] else { return false }
        return (site[SiteStorage.legacyField] as! OFNumber).boolValue
        return (site[SiteStorage.legacyField] as! NSNumber).boolValue
    }

    func keyFile(forSite name: OFString) -> OFString? {
        guard let site = storage[name] else {
    func keyFile(forSite name: String) -> String? {
        guard let site = storage[name] else { return nil }
            OFInvalidArgumentException().throw()
        }


        let keyFile = site[SiteStorage.keyFileField]
        if keyFile is OFNull {
        guard let keyFile = site[SiteStorage.keyFileField], !(keyFile is NSNull)
        else {
            return nil
        }

        return keyFile as? OFString
        return keyFile as? String
    }

    func setSite(_ name: OFString, length: size_t, legacy: Bool,
                 keyFile: OFString?) {
    func setSite(_ name: String, length: UInt, isLegacy: Bool,
                 keyFile: String?) {
        let siteDictionary = OFMutableDictionary<OFNumber, AnyObject>()

        siteDictionary.setObject(OFNumber(size: length),
                                 forKey: SiteStorage.lengthField)
        var siteDictionary: [NSNumber: AnyObject] = [
            SiteStorage.lengthField: NSNumber(value: length),
        siteDictionary.setObject(OFNumber(bool: legacy),
                                 forKey: SiteStorage.legacyField)
            SiteStorage.legacyField: NSNumber(value: isLegacy),
        if keyFile != nil {
            siteDictionary.setObject(keyFile!, forKey: SiteStorage.keyFileField)
        }

        siteDictionary.makeImmutable()
        ]
        siteDictionary[SiteStorage.keyFileField] = keyFile as AnyObject?
        storage.setObject(siteDictionary, forKey: name)

        storage[name] = siteDictionary
        self.update()
    }

    func removeSite(_ name: OFString) {
        self.storage.removeObject(forKey: name)
    func removeSite(_ name: String) {
        storage[name] = nil
        self.update()
    }

    private func update() {
        let ofStorage = (storage as NSDictionary).ofObject

        storage.messagePackRepresentation.write(toFile: path)
        sites = storage.allKeys.sorted
        ofStorage.messagePackRepresentation.write(toFile: path)
        sites = storage.keys.sorted()
    }
}

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