141 lines
3.2 KiB
Swift
141 lines
3.2 KiB
Swift
import Foundation
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import Combine
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public protocol UpdaterProtocol: ObservableObject {
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var update: Release? { get }
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func ignore(release: Release)
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}
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public class Updater: ObservableObject, UpdaterProtocol {
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@Published public var update: Release?
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public init() {
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checkForUpdates()
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let timer = Timer.scheduledTimer(withTimeInterval: 60*60*24, repeats: true) { _ in
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self.checkForUpdates()
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}
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timer.tolerance = 60*60
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}
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public func checkForUpdates() {
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URLSession.shared.dataTask(with: Constants.updateURL) { data, _, _ in
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guard let data = data else { return }
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guard let release = try? JSONDecoder().decode(Release.self, from: data) else { return }
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self.evaluate(release: release)
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}.resume()
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}
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public func ignore(release: Release) {
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guard !release.critical else { return }
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defaults.set(true, forKey: release.name)
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DispatchQueue.main.async {
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self.update = nil
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}
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}
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}
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extension Updater {
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func evaluate(release: Release) {
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guard !userIgnored(release: release) else { return }
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let latestVersion = SemVer(release.name)
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let currentVersion = SemVer(Bundle.main.infoDictionary!["CFBundleShortVersionString"] as! String)
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if latestVersion > currentVersion {
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DispatchQueue.main.async {
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self.update = release
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}
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}
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}
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func userIgnored(release: Release) -> Bool {
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guard !release.critical else { return false }
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return defaults.bool(forKey: release.name)
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}
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var defaults: UserDefaults {
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UserDefaults(suiteName: "com.maxgoedjen.Secretive.updater.ignorelist")!
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}
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}
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struct SemVer {
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let versionNumbers: [Int]
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init(_ version: String) {
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// Betas have the format 1.2.3_beta1
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let strippedBeta = version.split(separator: "_").first!
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var split = strippedBeta.split(separator: ".").compactMap { Int($0) }
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while split.count < 3 {
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split.append(0)
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}
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versionNumbers = split
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}
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}
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extension SemVer: Comparable {
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static func < (lhs: SemVer, rhs: SemVer) -> Bool {
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for (latest, current) in zip(lhs.versionNumbers, rhs.versionNumbers) {
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if latest < current {
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return true
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} else if latest > current {
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return false
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}
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}
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return false
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}
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}
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extension Updater {
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enum Constants {
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static let updateURL = URL(string: "https://api.github.com/repos/maxgoedjen/secretive/releases/latest")!
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}
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}
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public struct Release: Codable {
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public let name: String
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public let html_url: URL
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public let body: String
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public init(name: String, html_url: URL, body: String) {
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self.name = name
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self.html_url = html_url
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self.body = body
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}
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}
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extension Release: Identifiable {
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public var id: String {
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html_url.absoluteString
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}
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}
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extension Release {
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public var critical: Bool {
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body.contains(Constants.securityContent)
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}
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}
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extension Release {
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enum Constants {
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static let securityContent = "Critical Security Update"
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}
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}
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