348 lines
16 KiB
Swift
348 lines
16 KiB
Swift
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//
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// AddContactMenu.swift
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// Monal
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//
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// Created by Jan on 27.10.22.
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// Copyright © 2022 monal-im.org. All rights reserved.
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//
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import MobileCoreServices
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import UniformTypeIdentifiers
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struct AddContactMenu: View {
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var delegate: SheetDismisserProtocol
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static private let jidFaultyPattern = "^([^@]+@)?.+(\\..{2,})?$"
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@State private var enabledAccounts: [xmpp]
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@State private var selectedAccount: Int
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@State private var scannedFingerprints: [NSNumber:Data]? = nil
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@State private var importScannedFingerprints: Bool = false
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@State private var toAdd: String = ""
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@State private var showInvitationError = false
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@State private var showAlert = false
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// note: dismissLabel is not accessed but defined at the .alert() section
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@State private var alertPrompt = AlertPrompt(dismissLabel: Text("Close"))
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@State private var invitationResult: [String:AnyObject]? = nil
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@StateObject private var overlay = LoadingOverlayState()
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@State private var showQRCodeScanner = false
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@State private var success = false
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@State private var newContact : MLContact?
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@State private var isEditingJid = false
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private let dismissWithNewContact: (MLContact) -> ()
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private let preauthToken: String?
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init(delegate: SheetDismisserProtocol, dismissWithNewContact: @escaping (MLContact) -> (), prefillJid: String = "", preauthToken:String? = nil, prefillAccount:xmpp? = nil, omemoFingerprints: [NSNumber:Data]? = nil) {
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self.delegate = delegate
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self.dismissWithNewContact = dismissWithNewContact
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//self.toAdd = State(wrappedValue: prefillJid)
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self.toAdd = prefillJid
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self.preauthToken = preauthToken
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//only display omemo ui part if there are any fingerprints (the checks below test for nil, not for 0)
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if omemoFingerprints?.count ?? 0 > 0 {
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self.scannedFingerprints = omemoFingerprints
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}
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let enabledAccounts = MLXMPPManager.sharedInstance().connectedXMPP as! [xmpp]
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self.enabledAccounts = enabledAccounts
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self.selectedAccount = enabledAccounts.first != nil ? 0 : -1;
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if let prefillAccount = prefillAccount {
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for index in enabledAccounts.indices {
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if enabledAccounts[index].accountID.isEqual(to:prefillAccount.accountID) {
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self.selectedAccount = index
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}
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}
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}
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}
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// FIXME duplicate code from WelcomeLogIn.swift, maybe move to SwiftuiHelpers
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private var toAddEmptyAlert: Bool {
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alertPrompt.title = Text("No Empty Values!")
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alertPrompt.message = Text("Please make sure you have entered a valid jid.")
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return toAddEmpty
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}
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private var toAddInvalidAlert: Bool {
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alertPrompt.title = Text("Invalid Credentials!")
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alertPrompt.message = Text("The jid you want to add should be in in the format user@domain.tld.")
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return toAddInvalid
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}
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private func errorAlert(title: Text, message: Text = Text("")) {
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alertPrompt.title = title
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alertPrompt.message = message
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showAlert = true
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}
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private func successAlert(title: Text, message: Text) {
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alertPrompt.title = title
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alertPrompt.message = message
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self.success = true // < dismiss entire view on close
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showAlert = true
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}
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private var toAddEmpty: Bool {
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return toAdd.isEmpty
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}
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private var toAddInvalid: Bool {
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return toAdd.range(of: AddContactMenu.jidFaultyPattern, options:.regularExpression) == nil
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}
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func trustFingerprints(_ fingerprints:[NSNumber:Data]?, for jid:String, on account:xmpp) {
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//we don't untrust other devices not included in here, because conversations only exports its own fingerprint
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if let fingerprints = fingerprints {
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for (deviceId, fingerprint) in fingerprints {
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let address = SignalAddress.init(name:jid, deviceId:deviceId.int32Value)
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let knownDevices = Array(account.omemo.knownDevices(forAddressName:jid))
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if !knownDevices.contains(deviceId) {
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account.omemo.addIdentityManually(address, identityKey:fingerprint)
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assert(account.omemo.getIdentityFor(address) == fingerprint, "The stored and created fingerprint should match")
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}
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//trust device/fingerprint if fingerprints match
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let knownFingerprintHex = HelperTools.signalHexKey(with:account.omemo.getIdentityFor(address))
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let addedFingerprintHex = HelperTools.signalHexKey(with:fingerprint)
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if knownFingerprintHex.uppercased() == addedFingerprintHex.uppercased() {
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account.omemo.updateTrust(true, for:address)
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}
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}
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}
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}
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func addJid(jid: String) {
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let account = self.enabledAccounts[selectedAccount]
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let contact = MLContact.createContact(fromJid: jid, andAccountID: account.accountID)
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if contact.isInRoster {
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self.newContact = contact
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//import omemo fingerprints as manually trusted, if requested
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trustFingerprints(self.importScannedFingerprints ? self.scannedFingerprints : [:], for:jid, on:account)
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//only alert of already known contact if we did not import the omemo fingerprints
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if !self.importScannedFingerprints || self.scannedFingerprints?.count ?? 0 == 0 {
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if self.enabledAccounts.count > 1 {
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self.success = true
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successAlert(title: Text("Already present"), message: Text("This contact is already in the contact list of the selected account"))
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} else {
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self.success = true
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successAlert(title: Text("Already present"), message: Text("This contact is already in your contact list"))
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}
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}
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return
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}
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showPromisingLoadingOverlay(overlay, headline:NSLocalizedString("Adding...", comment: ""), description:"") {
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account.checkJidType(jid)
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}.done { type in
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let type = type as! String
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if type == "account" {
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let contact = MLContact.createContact(fromJid: jid, andAccountID: account.accountID)
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self.newContact = contact
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MLXMPPManager.sharedInstance().add(contact, withPreauthToken:preauthToken)
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//import omemo fingerprints as manually trusted, if requested
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trustFingerprints(self.importScannedFingerprints ? self.scannedFingerprints : [:], for:jid, on:account)
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successAlert(title: Text("Permission Requested"), message: Text("The new contact will be added to your contacts list when the person you've added has approved your request."))
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} else if type == "muc" {
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showPromisingLoadingOverlay(overlay, headlineView:Text("Adding Group/Channel..."), descriptionView:Text("")) {
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promisifyMucAction(account:account, mucJid:jid) {
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account.joinMuc(jid)
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}
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}.done { _ in
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self.newContact = MLContact.createContact(fromJid: jid, andAccountID: account.accountID)
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successAlert(title: Text("Success!"), message: Text("Successfully joined group/channel \(jid)!"))
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}.catch { error in
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errorAlert(title: Text("Error entering group/channel!"), message: Text("\(String(describing:error))"))
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}
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}
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}.catch { error in
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errorAlert(title: Text("Error"), message: Text(error.localizedDescription))
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}
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}
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var body: some View {
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let account = self.enabledAccounts[selectedAccount]
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let splitJid = HelperTools.splitJid(account.connectionProperties.identity.jid)
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Form {
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if enabledAccounts.isEmpty {
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Text("Please make sure at least one account has connected before trying to add a contact or channel.")
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.foregroundColor(.secondary)
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}
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else
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{
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if DataLayer.sharedInstance().allContactRequests().count > 0 {
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ContactRequestsMenu()
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}
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Section(header:Text("Contact and Group/Channel Jids are usually in the format: name@domain.tld")) {
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if enabledAccounts.count > 1 {
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Picker("Use account", selection: $selectedAccount) {
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ForEach(Array(self.enabledAccounts.enumerated()), id: \.element) { idx, account in
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Text(account.connectionProperties.identity.jid).tag(idx)
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}
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}
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.pickerStyle(.menu)
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}
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TextField(NSLocalizedString("Contact-, Group- or Channel-Jid", comment: "placeholder when adding jid"), text: $toAdd, onEditingChanged: { isEditingJid = $0 })
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.textInputAutocapitalization(.never)
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.autocapitalization(.none)
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.autocorrectionDisabled()
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.keyboardType(.emailAddress)
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.addClearButton(isEditing: isEditingJid, text:$toAdd)
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.disabled(scannedFingerprints != nil)
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.foregroundColor(scannedFingerprints != nil ? .secondary : .primary)
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.onChange(of: toAdd) { _ in toAdd = toAdd.replacingOccurrences(of: " ", with: "") }
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if scannedFingerprints != nil && scannedFingerprints!.count > 0 {
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Section(header: Text("A contact was scanned through the QR code scanner")) {
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Toggle(isOn: $importScannedFingerprints) {
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Text("Import and trust OMEMO fingerprints from QR code")
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}
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}
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}
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if scannedFingerprints != nil {
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Button(action: {
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toAdd = ""
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importScannedFingerprints = true
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scannedFingerprints = nil
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}, label: {
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Text("Clear scanned contact")
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.foregroundColor(.red)
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})
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}
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HStack {
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Spacer()
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Button(action: {
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showAlert = toAddEmptyAlert || toAddInvalidAlert
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if !showAlert {
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let jidComponents = HelperTools.splitJid(toAdd)
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if jidComponents["host"] == nil || jidComponents["host"]!.isEmpty {
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errorAlert(title: Text("Error"), message: Text("Something went wrong while parsing your input..."))
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showAlert = true
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return
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}
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// use the canonized jid from now on (lowercased, resource removed etc.)
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addJid(jid: jidComponents["user"]!)
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}
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}) {
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scannedFingerprints == nil ? Text("Add") : Text("Add scanned contact")
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}
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.disabled(toAddEmpty || toAddInvalid)
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.buttonStyle(MonalProminentButtonStyle())
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}
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}
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if DataLayer.sharedInstance().allContactRequests().count == 0 {
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Section {
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ContactRequestsMenu()
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}
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}
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}
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}
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.padding()
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.alert(isPresented: $showAlert) {
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Alert(title: alertPrompt.title, message: alertPrompt.message, dismissButton:.default(Text("Close"), action: {
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showAlert = false
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if self.success == true {
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if self.newContact != nil {
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self.dismissWithNewContact(newContact!)
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} else {
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self.delegate.dismiss()
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}
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}
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}))
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}
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.richAlert(isPresented: $invitationResult, title:Text("Invitation for \(splitJid["host"]!) created")) { data in
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VStack {
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Image(uiImage: createQrCode(value: data["landing"] as! String))
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.interpolation(.none)
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.resizable()
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.scaledToFit()
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.aspectRatio(1, contentMode: .fit)
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if let expires = data["expires"] as? Date {
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Text("This invitation will expire on \(expires.formatted(date:.numeric, time:.shortened))")
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.font(.footnote)
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.multilineTextAlignment(.leading)
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.frame(maxWidth: .infinity, alignment: .leading)
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}
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}
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} buttons: { data in
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Button(action: {
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UIPasteboard.general.setValue(data["landing"] as! String, forPasteboardType:UTType.utf8PlainText.identifier as String)
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invitationResult = nil
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}) {
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ShareLink("Share invitation link", item: URL(string: data["landing"] as! String)!)
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}
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Button(action: {
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invitationResult = nil
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}) {
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Text("Close")
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.frame(maxWidth: .infinity)
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}
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}
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.sheet(isPresented: $showQRCodeScanner) {
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NavigationStack {
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MLQRCodeScanner(handleClose: {
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self.showQRCodeScanner = false
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})
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.navigationTitle("QR-Code Scanner")
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.navigationBarTitleDisplayMode(.inline)
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.toolbar(content: {
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ToolbarItem(placement: .navigationBarLeading, content: {
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Button(action: {
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self.showQRCodeScanner = false
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}, label: {
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Text("Close")
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})
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})
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})
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}
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}
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.navigationBarTitle(Text("Add Contact or Channel"), displayMode: .inline)
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.toolbar(content: {
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ToolbarItemGroup(placement: .navigationBarTrailing) {
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if account.connectionProperties.discoveredAdhocCommands["urn:xmpp:invite#invite"] != nil {
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Button(action: {
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DDLogVerbose("Trying to create invitation for: \(String(describing:splitJid["host"]!))")
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showLoadingOverlay(overlay, headline: NSLocalizedString("Creating invitation...", comment: ""))
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account.createInvitation(completion: {
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let result = $0 as! [String:AnyObject]
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DispatchQueue.main.async {
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hideLoadingOverlay(overlay)
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DDLogVerbose("Got invitation result: \(String(describing:result))")
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if result["success"] as! Bool == true {
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invitationResult = result
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} else {
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errorAlert(title:Text("Failed to create invitation for \(splitJid["host"]!)"), message:Text(result["error"] as! String))
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}
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}
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})
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}, label: {
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Image(systemName: "square.and.arrow.up")
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})
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}
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Button(action: {
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self.showQRCodeScanner = true
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}, label: {
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Image(systemName: "camera.fill")
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})
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}
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})
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.addLoadingOverlay(overlay)
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}
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}
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struct AddContactMenu_Previews: PreviewProvider {
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static var delegate = SheetDismisserProtocol()
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static var previews: some View {
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AddContactMenu(delegate: delegate, dismissWithNewContact: { c in
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})
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}
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}
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