98 lines
4.9 KiB
Swift
98 lines
4.9 KiB
Swift
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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import SignalServiceKit
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class SafetyNumberConfirmationAlert: NSObject {
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let TAG = "[SafetyNumberConfirmationAlert]"
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private let contactsManager: OWSContactsManager
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private let storageManager: TSStorageManager
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init(contactsManager: OWSContactsManager) {
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self.contactsManager = contactsManager
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self.storageManager = TSStorageManager.shared()
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}
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public class func presentAlertIfNecessary(recipientId: String, confirmationText: String, contactsManager: OWSContactsManager, completion: @escaping (Bool) -> Void) -> Bool {
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return self.presentAlertIfNecessary(recipientIds: [recipientId], confirmationText: confirmationText, contactsManager: contactsManager, completion: completion)
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}
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public class func presentAlertIfNecessary(recipientIds: [String], confirmationText: String, contactsManager: OWSContactsManager, completion: @escaping (Bool) -> Void) -> Bool {
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return SafetyNumberConfirmationAlert(contactsManager: contactsManager).presentIfNecessary(recipientIds: recipientIds,
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confirmationText: confirmationText,
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completion: completion)
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}
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/**
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* Shows confirmation dialog if at least one of the recipient id's is not confirmed.
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*
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* @returns true if an alert was shown
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* false if there were no unconfirmed identities
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*/
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public func presentIfNecessary(recipientIds: [String], confirmationText: String, completion: @escaping (Bool) -> Void) -> Bool {
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guard let untrustedIdentity = untrustedIdentityForSending(recipientIds: recipientIds) else {
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// No identities to confirm, no alert to present.
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return false
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}
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let displayName = contactsManager.displayName(forPhoneIdentifier: untrustedIdentity.recipientId)
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let titleFormat = NSLocalizedString("CONFIRM_SENDING_TO_CHANGED_IDENTITY_TITLE_FORMAT",
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comment: "Action sheet title presented when a users's SN have recently changed. Embeds {{contact's name or phone number}}")
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let title = String(format: titleFormat, displayName)
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let bodyFormat = NSLocalizedString("CONFIRM_SENDING_TO_CHANGED_IDENTITY_BODY_FORMAT",
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comment: "Action sheet body presented when a user's SN have recently changed. Embeds {{contact's name or phone nubmer}}")
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let body = String(format: bodyFormat, displayName)
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let actionSheetController = UIAlertController(title: title, message:body, preferredStyle: .actionSheet)
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let confirmAction = UIAlertAction(title: confirmationText, style: .default) { _ in
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Logger.info("\(self.TAG) Confirmed identity: \(untrustedIdentity)")
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OWSDispatch.sessionStoreQueue().async {
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OWSIdentityManager.shared().setVerificationState(.default, identityKey: untrustedIdentity.identityKey, recipientId: untrustedIdentity.recipientId, isUserInitiatedChange: true)
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DispatchQueue.main.async {
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completion(true)
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}
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}
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}
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actionSheetController.addAction(confirmAction)
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let showSafetyNumberAction = UIAlertAction(title: NSLocalizedString("VERIFY_PRIVACY", comment: "Label for button or row which allows users to verify the safety number of another user."), style: .default) { _ in
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Logger.info("\(self.TAG) Opted to show Safety Number for identity: \(untrustedIdentity)")
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self.presentSafetyNumberViewController(theirIdentityKey: untrustedIdentity.identityKey,
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theirRecipientId: untrustedIdentity.recipientId,
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theirDisplayName: displayName,
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completion: { completion(false) })
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}
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actionSheetController.addAction(showSafetyNumberAction)
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actionSheetController.addAction(OWSAlerts.cancelAction)
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UIApplication.shared.frontmostViewController?.present(actionSheetController, animated: true)
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return true
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}
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public func presentSafetyNumberViewController(theirIdentityKey: Data, theirRecipientId: String, theirDisplayName: String, completion: (() -> Void)? = nil) {
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guard let fromViewController = UIApplication.shared.frontmostViewController else {
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Logger.info("\(self.TAG) Missing frontmostViewController")
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return
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}
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FingerprintViewController.present(from:fromViewController, recipientId:theirRecipientId)
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}
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private func untrustedIdentityForSending(recipientIds: [String]) -> OWSRecipientIdentity? {
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return recipientIds.flatMap {
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OWSIdentityManager.shared().untrustedIdentityForSending(toRecipientId: $0)
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}.first
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}
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}
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