Adds "Share Vault" option to vault detail settings.

Cryptomator.xcodeproj/project.pbxproj

@@ -439,12 +439,16 @@
 		74F5DC1C26DCD2FB00AFE989 /* StoreObserver.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74F5DC1B26DCD2FB00AFE989 /* StoreObserver.swift */; };
 		74F5DC1F26DD036D00AFE989 /* StoreManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74F5DC1E26DD036D00AFE989 /* StoreManager.swift */; };
 		74FC576125ADED030003ED27 /* VaultCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74FC576025ADED030003ED27 /* VaultCell.swift */; };
+		988E23D6223540118B002237 /* ShareVaultCoordinator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 988E23D6223540118B002238 /* ShareVaultCoordinator.swift */; };
 		B330CB452CB5735300C21E03 /* UnauthorizedErrorViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B330CB442CB5735000C21E03 /* UnauthorizedErrorViewController.swift */; };
 		B34C53262D142B1000F30FE9 /* EnterSharePointURLViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B34C53252D142B0700F30FE9 /* EnterSharePointURLViewController.swift */; };
 		B34C53282D142B5800F30FE9 /* EnterSharePointURLViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = B34C53272D142B5400F30FE9 /* EnterSharePointURLViewModel.swift */; };
 		B34C532A2D142BA700F30FE9 /* SharePointAuthenticating.swift in Sources */ = {isa = PBXBuildFile; fileRef = B34C53292D142B9200F30FE9 /* SharePointAuthenticating.swift */; };
+		B3544E282EC1F564006B7BA9 /* ShareVaultView.swift in Sources */ = {isa = PBXBuildFile; fileRef = B3544E272EC1F564006B7BA9 /* ShareVaultView.swift */; };
 		B379DBBF2D27F595003B5849 /* SharePointDriveListViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B379DBBE2D27F58C003B5849 /* SharePointDriveListViewController.swift */; };
 		B379DBC12D27F5B5003B5849 /* SharePointDriveListViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = B379DBC02D27F5A4003B5849 /* SharePointDriveListViewModel.swift */; };
+		B3C397FE2EB10FC0001280AC /* ShareVaultViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B3C397FC2EB10FC0001280AC /* ShareVaultViewController.swift */; };
+		B3C398002EB110F9001280AC /* ShareVaultViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = B3C397FF2EB110F9001280AC /* ShareVaultViewModel.swift */; };
 		B3D19A442CB937C700CD18A5 /* FileProviderCoordinatorError.swift in Sources */ = {isa = PBXBuildFile; fileRef = B3D19A432CB937BF00CD18A5 /* FileProviderCoordinatorError.swift */; };
 /* End PBXBuildFile section */
 
@@ -1058,12 +1062,16 @@
 		74F5DC1B26DCD2FB00AFE989 /* StoreObserver.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StoreObserver.swift; sourceTree = "<group>"; };
 		74F5DC1E26DD036D00AFE989 /* StoreManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StoreManager.swift; sourceTree = "<group>"; };
 		74FC576025ADED030003ED27 /* VaultCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VaultCell.swift; sourceTree = "<group>"; };
+		988E23D6223540118B002238 /* ShareVaultCoordinator.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShareVaultCoordinator.swift; sourceTree = "<group>"; };
 		B330CB442CB5735000C21E03 /* UnauthorizedErrorViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UnauthorizedErrorViewController.swift; sourceTree = "<group>"; };
 		B34C53252D142B0700F30FE9 /* EnterSharePointURLViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EnterSharePointURLViewController.swift; sourceTree = "<group>"; };
 		B34C53272D142B5400F30FE9 /* EnterSharePointURLViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EnterSharePointURLViewModel.swift; sourceTree = "<group>"; };
 		B34C53292D142B9200F30FE9 /* SharePointAuthenticating.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SharePointAuthenticating.swift; sourceTree = "<group>"; };
+		B3544E272EC1F564006B7BA9 /* ShareVaultView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShareVaultView.swift; sourceTree = "<group>"; };
 		B379DBBE2D27F58C003B5849 /* SharePointDriveListViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SharePointDriveListViewController.swift; sourceTree = "<group>"; };
 		B379DBC02D27F5A4003B5849 /* SharePointDriveListViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SharePointDriveListViewModel.swift; sourceTree = "<group>"; };
+		B3C397FC2EB10FC0001280AC /* ShareVaultViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShareVaultViewController.swift; sourceTree = "<group>"; };
+		B3C397FF2EB110F9001280AC /* ShareVaultViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShareVaultViewModel.swift; sourceTree = "<group>"; };
 		B3D19A432CB937BF00CD18A5 /* FileProviderCoordinatorError.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FileProviderCoordinatorError.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -1282,6 +1290,7 @@
 				4A4B7E3E26B2ABC0009BFDB1 /* VaultDetailViewController.swift */,
 				4A4B7E4126B2AD6F009BFDB1 /* VaultDetailViewModel.swift */,
 				4AB8539B26BA8A8200555F00 /* VaultPasswordVerifying.swift */,
+				B3C397FD2EB10FC0001280AC /* ShareVault */,
 				4AF45357271F2A8B00CF1919 /* RenameVault */,
 				4A0337C82726FBEC001753B7 /* MoveVault */,
 				4A91D8CF272ADC7E003F8BD8 /* ChangePassword */,
@@ -2114,6 +2123,17 @@
 			path = Purchase;
 			sourceTree = "<group>";
 		};
+		B3C397FD2EB10FC0001280AC /* ShareVault */ = {
+			isa = PBXGroup;
+			children = (
+				B3544E272EC1F564006B7BA9 /* ShareVaultView.swift */,
+				988E23D6223540118B002238 /* ShareVaultCoordinator.swift */,
+				B3C397FF2EB110F9001280AC /* ShareVaultViewModel.swift */,
+				B3C397FC2EB10FC0001280AC /* ShareVaultViewController.swift */,
+			);
+			path = ShareVault;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -2783,6 +2803,8 @@
 				4A644B57267C958F008CBB9A /* ChildCoordinator.swift in Sources */,
 				4A53CC15267CC33100853BB3 /* CreateNewVaultPasswordViewModel.swift in Sources */,
 				4AA22C1E261CA94700A17486 /* UsernameFieldCell.swift in Sources */,
+				B3C397FE2EB10FC0001280AC /* ShareVaultViewController.swift in Sources */,
+				988E23D6223540118B002237 /* ShareVaultCoordinator.swift in Sources */,
 				4A136132276770BB0077EB7F /* SnapshotVaultListViewModel.swift in Sources */,
 				4AED9A79286B4DF500352951 /* S3Authenticating.swift in Sources */,
 				747C35172762A3F500E4CA28 /* AttributedTextHeaderFooterViewModel.swift in Sources */,
@@ -2810,6 +2832,7 @@
 				4A644B55267C926A008CBB9A /* FolderCreating.swift in Sources */,
 				74A295EF2D80902800C54136 /* SharePointAuthenticator.swift in Sources */,
 				4A3D658626847B11000DA764 /* CreateNewLocalVaultViewModel.swift in Sources */,
+				B3C398002EB110F9001280AC /* ShareVaultViewModel.swift in Sources */,
 				4AE97DAB24572E4900452814 /* AppDelegate.swift in Sources */,
 				4AA22C16261CA8D800A17486 /* URLFieldCell.swift in Sources */,
 				4A2FD07925B5D98B008565C8 /* CloudCell.swift in Sources */,
@@ -2824,6 +2847,7 @@
 				4A4B7E7426B954D2009BFDB1 /* HeaderFooterViewModel.swift in Sources */,
 				4A5AC441275A5B3500342AA7 /* PurchaseAlert.swift in Sources */,
 				74C2BC5026E8FCC100BCAA03 /* PurchaseViewModel.swift in Sources */,
+				B3544E282EC1F564006B7BA9 /* ShareVaultView.swift in Sources */,
 				B379DBBF2D27F595003B5849 /* SharePointDriveListViewController.swift in Sources */,
 				4A644B53267BAFDA008CBB9A /* CreateNewFolderViewModel.swift in Sources */,
 				4AB8539826BA881F00555F00 /* VaultDetailUnlockVaultViewModel.swift in Sources */,

Cryptomator/VaultDetail/ShareVault/ShareVaultCoordinator.swift

@@ -0,0 +1,62 @@
+//
+//  ShareVaultCoordinator.swift
+//  Cryptomator
+//
+//  Created by Majid Achhoud on 30.10.25.
+//  Copyright © 2025 Skymatic GmbH. All rights reserved.
+//
+
+import CryptomatorCloudAccessCore
+import CryptomatorCommonCore
+import UIKit
+
+class ShareVaultCoordinator: Coordinator {
+	weak var parentCoordinator: Coordinator?
+	lazy var childCoordinators = [Coordinator]()
+	var navigationController: UINavigationController
+	private let vaultInfo: VaultInfo
+
+	init(vaultInfo: VaultInfo, navigationController: UINavigationController) {
+		self.vaultInfo = vaultInfo
+		self.navigationController = navigationController
+	}
+
+	func start() {
+		let viewModel: ShareVaultViewModel
+
+		if vaultInfo.vaultConfigType == .hub {
+			guard let hubURL = extractHubVaultURL() else {
+				showHubURLExtractionError()
+				return
+			}
+			viewModel = ShareVaultViewModel(type: .hub(hubURL))
+		} else {
+			viewModel = ShareVaultViewModel(type: .normal)
+		}
+
+		let shareVaultViewController = ShareVaultViewController(viewModel: viewModel)
+		shareVaultViewController.coordinator = self
+		navigationController.pushViewController(shareVaultViewController, animated: true)
+	}
+
+	private func showHubURLExtractionError() {
+		let alert = UIAlertController(
+			title: LocalizedString.getValue("shareVault.error.hubURLExtraction.title"),
+			message: LocalizedString.getValue("shareVault.error.hubURLExtraction.message"),
+			preferredStyle: .alert
+		)
+		alert.addAction(UIAlertAction(title: LocalizedString.getValue("common.button.ok"), style: .default))
+		navigationController.present(alert, animated: true)
+	}
+
+	private func extractHubVaultURL() -> URL? {
+		guard let cachedVault = try? VaultDBCache().getCachedVault(withVaultUID: vaultInfo.vaultUID),
+		      let vaultConfigToken = cachedVault.vaultConfigToken,
+		      let vaultConfig = try? UnverifiedVaultConfig(token: vaultConfigToken),
+		      let hubConfig = vaultConfig.allegedHubConfig else {
+			return nil
+		}
+
+		return hubConfig.getWebAppURL()
+	}
+}

Cryptomator/VaultDetail/ShareVault/ShareVaultView.swift

@@ -0,0 +1,129 @@
+//
+//  ShareVaultView.swift
+//  Cryptomator
+//
+//  Created by Majid Achhoud on 24.10.25.
+//  Copyright © 2025 Skymatic GmbH. All rights reserved.
+//
+
+import CryptomatorCommonCore
+import SwiftUI
+import UIKit
+
+struct ShareVaultView: View {
+	@ObservedObject var viewModel: ShareVaultViewModel
+
+	var body: some View {
+		ZStack {
+			Color.cryptomatorBackground
+				.ignoresSafeArea()
+
+			VStack {
+				ScrollView {
+					VStack(spacing: 0) {
+						Image(viewModel.logoImageName)
+							.resizable()
+							.scaledToFit()
+							.frame(height: 44)
+							.padding(.top, 32)
+
+						Image("cryptomator-hub")
+							.resizable()
+							.scaledToFit()
+							.aspectRatio(1 / 0.7, contentMode: .fit)
+							.clipShape(RoundedRectangle(cornerRadius: 12))
+							.padding(.top, 32)
+							.padding(.horizontal)
+
+						Text(viewModel.headerTitle)
+							.font(.title3)
+							.multilineTextAlignment(.center)
+							.padding(.top, 24)
+							.padding(.horizontal, 32)
+
+						if let subtitle = viewModel.headerSubtitle {
+							Text(subtitle)
+								.font(.subheadline)
+								.foregroundColor(.secondary)
+								.multilineTextAlignment(.leading)
+								.frame(maxWidth: .infinity, alignment: .leading)
+								.padding(.top, 16)
+								.padding(.horizontal, 32)
+						}
+
+						if let features = viewModel.featuresText {
+							Text(features)
+								.font(.subheadline)
+								.foregroundColor(.secondary)
+								.multilineTextAlignment(.center)
+								.padding(.top, 8)
+								.padding(.horizontal, 32)
+						}
+
+						if let steps = viewModel.hubSteps {
+							VStack(spacing: 16) {
+								ForEach(Array(steps.enumerated()), id: \.offset) { _, step in
+									HStack(alignment: .top, spacing: 12) {
+										Image(systemName: step.0)
+											.foregroundColor(.cryptomatorPrimary)
+											.frame(width: 24, height: 24)
+
+										Text(step.1)
+											.font(.subheadline)
+											.foregroundColor(.secondary)
+											.multilineTextAlignment(.leading)
+											.frame(maxWidth: .infinity, alignment: .leading)
+									}
+								}
+							}
+							.padding(.top, 20)
+							.padding(.horizontal, 32)
+						}
+
+						if let footerText = viewModel.footerText,
+						   let docsURL = viewModel.docsURL {
+							VStack(spacing: 0) {
+								Text(LocalizedStringKey(String(format: footerText, docsURL.absoluteString)))
+									.font(.footnote)
+									.foregroundColor(.secondary)
+									.accentColor(.cryptomatorPrimary)
+									.multilineTextAlignment(.center)
+							}
+							.padding(.top, 32)
+							.padding(.horizontal, 32)
+							.padding(.bottom, 24)
+						} else {
+							Spacer()
+								.frame(height: 24)
+						}
+					}
+				}
+
+				if let url = viewModel.hubURL {
+					Button(
+						action: {
+							UIApplication.shared.open(url)
+						},
+						label: {
+							Text(viewModel.hubButtonTitle)
+								.font(.headline)
+								.foregroundColor(.white)
+								.frame(maxWidth: .infinity)
+								.frame(height: 50)
+								.background(Color.cryptomatorPrimary)
+								.clipShape(RoundedRectangle(cornerRadius: 12))
+						}
+					)
+					.padding(.horizontal, 16)
+					.padding(.bottom, 16)
+				}
+			}
+		}
+	}
+}
+
+struct ShareVaultView_Previews: PreviewProvider {
+	static var previews: some View {
+		ShareVaultView(viewModel: ShareVaultViewModel(type: .normal))
+	}
+}

Cryptomator/VaultDetail/ShareVault/ShareVaultViewController.swift

@@ -0,0 +1,47 @@
+//
+//  ShareVaultViewController.swift
+//  Cryptomator
+//
+//  Created by Majid Achhoud on 24.10.25.
+//  Copyright © 2025 Skymatic GmbH. All rights reserved.
+//
+
+import CryptomatorCommonCore
+import SwiftUI
+import UIKit
+
+/**
+ ViewController for the `ShareVaultView`.
+
+ This ViewController builds the bridge between UIKit and the SwiftUI `ShareVaultView`.
+ This bridge is needed to integrate the SwiftUI view within a UIKit `UINavigationController`.
+ */
+class ShareVaultViewController: UIViewController {
+	weak var coordinator: ShareVaultCoordinator?
+	private let viewModel: ShareVaultViewModel
+
+	init(viewModel: ShareVaultViewModel) {
+		self.viewModel = viewModel
+		super.init(nibName: nil, bundle: nil)
+	}
+
+	@available(*, unavailable)
+	required init?(coder: NSCoder) {
+		fatalError("init(coder:) has not been implemented")
+	}
+
+	override func viewDidLoad() {
+		super.viewDidLoad()
+		title = viewModel.title
+		setupSwiftUIView()
+	}
+
+	private func setupSwiftUIView() {
+		let child = UIHostingController(rootView: ShareVaultView(viewModel: viewModel))
+		addChild(child)
+		view.addSubview(child.view)
+		child.didMove(toParent: self)
+		child.view.translatesAutoresizingMaskIntoConstraints = false
+		NSLayoutConstraint.activate(child.view.constraints(equalTo: view))
+	}
+}

Cryptomator/VaultDetail/ShareVault/ShareVaultViewModel.swift

@@ -0,0 +1,67 @@
+//
+//  ShareVaultViewModel.swift
+//  Cryptomator
+//
+//  Created by Majid Achhoud on 24.10.25.
+//  Copyright © 2025 Skymatic GmbH. All rights reserved.
+//
+
+import CryptomatorCommonCore
+import Foundation
+
+enum ShareVaultType {
+	case normal
+	case hub(URL)
+}
+
+protocol ShareVaultViewModelProtocol: AnyObject {
+	var title: String { get }
+	var logoImageName: String { get }
+	var headerTitle: String { get }
+	var headerSubtitle: String? { get }
+	var featuresText: String? { get }
+	var hubSteps: [(String, String)]? { get }
+	var footerText: String? { get }
+	var docsURL: URL? { get }
+	var hubButtonTitle: String { get }
+	var hubURL: URL? { get }
+}
+
+class ShareVaultViewModel: ShareVaultViewModelProtocol, ObservableObject {
+	let title = LocalizedString.getValue("shareVault.title")
+	let logoImageName = "cryptomator-hub-logo"
+	let headerTitle: String
+	let headerSubtitle: String?
+	let featuresText: String?
+	let hubSteps: [(String, String)]?
+	let footerText: String?
+	let docsURL: URL?
+	let hubButtonTitle: String
+	let hubURL: URL?
+
+	init(type: ShareVaultType) {
+		switch type {
+		case .normal:
+			self.headerTitle = LocalizedString.getValue("shareVault.normal.header.title")
+			self.headerSubtitle = nil
+			self.featuresText = LocalizedString.getValue("shareVault.normal.header.features")
+			self.hubSteps = nil
+			self.footerText = LocalizedString.getValue("shareVault.normal.footer.text")
+			self.docsURL = URL(string: "https://docs.cryptomator.org/security/best-practices/#sharing-of-vaults")
+			self.hubButtonTitle = LocalizedString.getValue("shareVault.normal.button.visitHub")
+			self.hubURL = URL(string: "https://cryptomator.org/for-teams/")
+		case let .hub(hubURL):
+			self.headerTitle = LocalizedString.getValue("shareVault.hub.header.title")
+			self.headerSubtitle = LocalizedString.getValue("shareVault.hub.header.subtitle")
+			self.featuresText = nil
+			self.hubSteps = [
+				("1.circle.fill", LocalizedString.getValue("shareVault.hub.step1")),
+				("2.circle.fill", LocalizedString.getValue("shareVault.hub.step2"))
+			]
+			self.footerText = nil
+			self.docsURL = nil
+			self.hubButtonTitle = LocalizedString.getValue("shareVault.hub.button.openHub")
+			self.hubURL = hubURL
+		}
+	}
+}