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46 changes: 46 additions & 0 deletions
46
Authorization/Authorization/Presentation/SSO/ContainerWebView.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| // | ||
| // ContainerWebView.swift | ||
| // Authorization | ||
| // | ||
| // Created by Rawan Matar on 02/06/2024. | ||
| // | ||
|
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| import SwiftUI | ||
| import Core | ||
| import Swinject | ||
|
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| public struct ContainerWebView: View { | ||
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| // MARK: - Internal Properties | ||
|
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| let url: String | ||
| private var pageTitle: String | ||
| @Environment(\.presentationMode) var presentationMode | ||
|
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| // MARK: - Init | ||
|
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| public init(_ url: String, title: String) { | ||
| self.url = url | ||
| self.pageTitle = title | ||
| } | ||
|
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| // MARK: - UI | ||
|
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| public var body: some View { | ||
| VStack(alignment: .center) { | ||
| NavigationBar( | ||
| title: pageTitle, | ||
| leftButtonAction: { presentationMode.wrappedValue.dismiss() } | ||
| ) | ||
|
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| ZStack { | ||
| if !url.isEmpty { | ||
| SSOWebView(url: URL(string: url), viewModel: Container.shared.resolve(SSOWebViewModel.self)!) | ||
| } else { | ||
| EmptyView() | ||
| } | ||
| } | ||
| .accessibilityIdentifier("web_browser") | ||
| } | ||
| } | ||
| } |
73 changes: 73 additions & 0 deletions
73
Authorization/Authorization/Presentation/SSO/SSOHelper.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| // | ||
| // SSOHelper.swift | ||
| // Authorization | ||
| // | ||
| // Created by Rawan Matar on 02/06/2024. | ||
| // | ||
|
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| import Foundation | ||
|
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| // https://developer.apple.com/documentation/ios-ipados-release-notes/foundation-release-notes | ||
|
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| /** | ||
| A Helper for some of the SSO preferences. | ||
| Keeps data under the UserDefaults. | ||
| */ | ||
| public class SSOHelper: NSObject { | ||
|
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| public enum UserDefaultKeys: String, CaseIterable { | ||
| case cookiePayload | ||
| case cookieSignature | ||
| case userInfo | ||
|
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| var description: String { | ||
| switch self { | ||
| case .cookiePayload: | ||
| return "edx-jwt-cookie-header-payload" | ||
| case .cookieSignature: | ||
| return "edx-jwt-cookie-signature" | ||
| case .userInfo: | ||
| return "edx-user-info" | ||
| } | ||
| } | ||
| } | ||
|
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| // MARK: - Singleton | ||
|
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| public static let shared = SSOHelper() | ||
|
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| // MARK: - Public Properties | ||
|
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| /// Authentication | ||
| public var cookiePayload: String? { | ||
| get { | ||
| let defaults = UserDefaults.standard | ||
| return defaults.string(forKey: UserDefaultKeys.cookiePayload.rawValue) | ||
| } | ||
| set (newValue) { | ||
| let defaults = UserDefaults.standard | ||
| defaults.set(newValue, forKey: UserDefaultKeys.cookiePayload.rawValue) | ||
| } | ||
| } | ||
|
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| /// Authentication | ||
| public var cookieSignature: String? { | ||
| get { | ||
| let defaults = UserDefaults.standard | ||
| return defaults.string(forKey: UserDefaultKeys.cookieSignature.rawValue) | ||
| } | ||
| set (newValue) { | ||
| let defaults = UserDefaults.standard | ||
| defaults.set(newValue, forKey: UserDefaultKeys.cookieSignature.rawValue) | ||
| } | ||
| } | ||
|
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| // MARK: - Public Methods | ||
|
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| /// Checks if the user is login. | ||
| public func cleanAfterSuccesfulLogout() { | ||
| cookiePayload = nil | ||
| cookieSignature = nil | ||
| } | ||
| } | ||
|
|
104 changes: 104 additions & 0 deletions
104
Authorization/Authorization/Presentation/SSO/SSOWebView.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| // | ||
| // SSOWebView.swift | ||
| // Authorization | ||
| // | ||
| // Created by Rawan Matar on 02/06/2024. | ||
| // | ||
|
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|
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| import SwiftUI | ||
| import WebKit | ||
| import Core | ||
|
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| public struct SAMLConstants { | ||
|
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| public init() {} | ||
|
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| public let samlLoginSuccess = URL(string: "https://blue.zeitlabs.com/auth/complete/tpa-saml")! | ||
| } | ||
|
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| public struct SSOWebView: UIViewRepresentable { | ||
|
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| let url: URL? | ||
|
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| var viewModel: SSOWebViewModel | ||
|
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| public init(url: URL?, viewModel: SSOWebViewModel) { | ||
| self.url = url | ||
| self.viewModel = viewModel | ||
| } | ||
|
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| public func makeUIView(context: Context) -> WKWebView { | ||
| let coordinator = makeCoordinator() | ||
| let userContentController = WKUserContentController() | ||
| userContentController.add(coordinator, name: "bridge") | ||
|
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| let prefs = WKWebpagePreferences() | ||
| let config = WKWebViewConfiguration() | ||
| prefs.allowsContentJavaScript = true | ||
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| config.userContentController = userContentController | ||
| config.defaultWebpagePreferences = prefs | ||
| config.websiteDataStore = WKWebsiteDataStore.nonPersistent() | ||
|
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| let wkWebView = WKWebView(frame: .zero, configuration: config) | ||
| wkWebView.navigationDelegate = coordinator | ||
|
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| guard let currentURL = url else { | ||
| return wkWebView | ||
| } | ||
| let request = URLRequest(url: currentURL) | ||
| wkWebView.load(request) | ||
|
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| return wkWebView | ||
| } | ||
|
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| public func updateUIView(_ uiView: WKWebView, context: Context) { | ||
|
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| } | ||
|
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| public func makeCoordinator() -> Coordinator { | ||
| Coordinator(viewModel: self.viewModel) | ||
| } | ||
|
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| public class Coordinator: NSObject, WKScriptMessageHandler, WKNavigationDelegate { | ||
| var viewModel: SSOWebViewModel | ||
|
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| init(viewModel: SSOWebViewModel) { | ||
| self.viewModel = viewModel | ||
| super.init() | ||
| } | ||
|
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| // WKScriptMessageHandler | ||
| public func userContentController(_ userContentController: WKUserContentController, | ||
| didReceive message: WKScriptMessage) { | ||
| } | ||
|
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| // WKNavigationDelegate | ||
| public func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) { | ||
| guard let _ = webView.url?.absoluteString else { | ||
| return | ||
| } | ||
|
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| } | ||
|
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| public func webView(_ webView: WKWebView, | ||
| decidePolicyFor navigationAction: WKNavigationAction, | ||
| decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) { | ||
| guard let url = webView.url?.absoluteString else { | ||
| decisionHandler(.allow) | ||
| return | ||
| } | ||
|
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| if url.contains(SAMLConstants().samlLoginSuccess.absoluteString) { | ||
| webView.configuration.websiteDataStore.httpCookieStore.getAllCookies { cookies in | ||
| Task { | ||
| await self.viewModel.SSOLogin(cookies: cookies) | ||
| } | ||
| } | ||
| } | ||
|
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| decisionHandler(.allow) | ||
| } | ||
| } | ||
| } |
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