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https://github.com/vector-im/element-ios.git
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279 lines
11 KiB
Swift
279 lines
11 KiB
Swift
// File created from ScreenTemplate
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// $ createScreen.sh Details SettingsDiscoveryThreePidDetails
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/*
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Copyright 2019 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import Foundation
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enum SettingsDiscoveryThreePidDetailsViewModelError: Error {
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case unknown
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}
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private struct ThreePidRequestTokenInfo {
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let clientSecret: String
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let sid: String
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let bind: Bool
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}
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final class SettingsDiscoveryThreePidDetailsViewModel: SettingsDiscoveryThreePidDetailsViewModelType {
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// MARK: - Properties
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// MARK: Private
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private let session: MXSession
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private var viewState: SettingsDiscoveryThreePidDetailsViewState?
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private var currentThreePidRequestTokenInfo: ThreePidRequestTokenInfo?
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// MARK: Public
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let threePid: MX3PID
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weak var viewDelegate: SettingsDiscoveryThreePidDetailsViewModelViewDelegate?
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// MARK: - Setup
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init(session: MXSession, threePid: MX3PID) {
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self.session = session
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self.threePid = threePid
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}
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// MARK: - Public
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func process(viewAction: SettingsDiscoveryThreePidDetailsViewAction) {
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switch viewAction {
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case .load:
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self.load()
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case .share:
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self.share()
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case .revoke:
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self.revoke()
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case .cancelEmailValidation:
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self.cancelEmailValidation()
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case .confirmEmailValidation:
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self.confirmEmailValidation()
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case .enterSMSCode(let code):
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self.validatePhoneNumber(with: code)
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}
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}
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// MARK: - Private
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private func load() {
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self.update(viewState: .loading)
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self.checkThreePidDiscoverability()
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}
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private func checkThreePidDiscoverability() {
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self.isThreePidDiscoverable(self.threePid) { (response) in
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switch response {
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case .success(let isDiscoverable):
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if isDiscoverable {
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self.update(viewState: .loaded(displayMode: .revoke))
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} else {
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self.update(viewState: .loaded(displayMode: .share))
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}
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case .failure(let error):
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self.update(viewState: .error(error))
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}
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}
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}
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private func share() {
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self.requestToken(for: self.threePid, bind: true)
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}
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private func revoke() {
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self.requestToken(for: self.threePid, bind: false)
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}
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private func requestToken(for threePid: MX3PID, bind: Bool, useOlderHomeserver: Bool = false) {
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guard let restClient = self.session.matrixRestClient,
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let clientSecret = MXTools.generateSecret() else {
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return
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}
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let requestThreePidToken: (() -> Void) = {
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switch self.threePid.medium {
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case .email:
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restClient.requestToken(forEmail: threePid.address, isDuringRegistration: false, clientSecret: clientSecret, sendAttempt: 1, nextLink: nil, success: { (sid) in
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if let sid = sid {
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self.currentThreePidRequestTokenInfo = ThreePidRequestTokenInfo(clientSecret: clientSecret, sid: sid, bind: bind)
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self.update(viewState: .loaded(displayMode: .pendingEmailVerification))
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self.registerEmailValidationNotification()
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} else {
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self.update(viewState: .error(SettingsDiscoveryThreePidDetailsViewModelError.unknown))
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}
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}, failure: { error in
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if let mxError = MXError(nsError: error), mxError.errcode == kMXErrCodeStringThreePIDInUse, useOlderHomeserver == false {
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self.requestToken(for: threePid, bind: bind, useOlderHomeserver: true)
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} else {
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self.update(viewState: .error(error ?? SettingsDiscoveryThreePidDetailsViewModelError.unknown))
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}
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})
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case .msisdn:
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let formattedPhoneNumber = self.formattedPhoneNumber(from: threePid.address)
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restClient.requestToken(forPhoneNumber: formattedPhoneNumber, isDuringRegistration: false, countryCode: nil, clientSecret: clientSecret, sendAttempt: 1, nextLink: nil, success: { (sid, msisdn) in
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if let sid = sid {
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self.currentThreePidRequestTokenInfo = ThreePidRequestTokenInfo(clientSecret: clientSecret, sid: sid, bind: bind)
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self.update(viewState: .loaded(displayMode: .enterSMSCode))
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} else {
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self.update(viewState: .error(SettingsDiscoveryThreePidDetailsViewModelError.unknown))
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}
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}, failure: { error in
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if let mxError = MXError(nsError: error), mxError.errcode == kMXErrCodeStringThreePIDInUse, useOlderHomeserver == false {
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self.requestToken(for: threePid, bind: bind, useOlderHomeserver: true)
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} else {
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self.update(viewState: .error(error ?? SettingsDiscoveryThreePidDetailsViewModelError.unknown))
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}
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})
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default:
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break
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}
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}
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self.update(viewState: .loading)
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if useOlderHomeserver {
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restClient.remove3PID(address: threePid.address, medium: threePid.medium.identifier) { (response) in
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switch response {
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case .success:
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requestThreePidToken()
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case .failure(let error):
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self.update(viewState: .error(error))
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}
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}
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} else {
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requestThreePidToken()
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}
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}
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@discardableResult
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private func isThreePidDiscoverable(_ threePid: MX3PID, completion: @escaping (_ response: MXResponse<Bool>) -> Void) -> MXHTTPOperation? {
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guard let identityService = self.session.identityService else {
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completion(.failure(SettingsDiscoveryThreePidDetailsViewModelError.unknown))
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return nil
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}
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return identityService.lookup3PIDs([threePid]) { lookupResponse in
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switch lookupResponse {
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case .success(let threePids):
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completion(.success(threePids.isEmpty == false))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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private func update(viewState: SettingsDiscoveryThreePidDetailsViewState) {
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self.viewDelegate?.settingsDiscoveryThreePidDetailsViewModel(self, didUpdateViewState: viewState)
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}
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private func bindThreePid(_ threePid: MX3PID, threePidRequestTokenInfo: ThreePidRequestTokenInfo) {
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guard let restClient = self.session.matrixRestClient else {
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return
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}
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self.update(viewState: .loading)
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restClient.addThirdPartyIdentifier(threePidRequestTokenInfo.sid, clientSecret: threePidRequestTokenInfo.clientSecret, bind: threePidRequestTokenInfo.bind) { response in
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switch response {
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case .success:
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if case .email = threePid.medium {
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self.unregisterEmailValidationNotification()
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}
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self.checkThreePidDiscoverability()
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case .failure(let error):
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if let mxError = MXError(nsError: error), mxError.errcode == kMXErrCodeStringThreePIDAuthFailed {
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self.update(viewState: .loaded(displayMode: .pendingEmailVerification))
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} else {
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if case .email = threePid.medium {
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self.unregisterEmailValidationNotification()
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}
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self.update(viewState: .error(error))
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}
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}
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}
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}
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// MARK: Email
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private func cancelEmailValidation() {
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self.unregisterEmailValidationNotification()
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self.currentThreePidRequestTokenInfo = nil
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self.checkThreePidDiscoverability()
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}
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private func confirmEmailValidation() {
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guard let threePidRequestTokenInfo = self.currentThreePidRequestTokenInfo else {
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return
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}
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self.bindThreePid(self.threePid, threePidRequestTokenInfo: threePidRequestTokenInfo)
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}
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private func registerEmailValidationNotification() {
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NotificationCenter.default.addObserver(self, selector: #selector(handleEmailValidationNotification(notification:)), name: .AppDelegateDidValidateEmail, object: nil)
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}
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private func unregisterEmailValidationNotification() {
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NotificationCenter.default.removeObserver(self, name: .AppDelegateDidValidateEmail, object: nil)
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}
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@objc private func handleEmailValidationNotification(notification: Notification) {
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guard let userInfo = notification.userInfo,
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let clientSecret = userInfo[AppDelegateDidValidateEmailNotificationClientSecretKey] as? String,
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let sid = userInfo[AppDelegateDidValidateEmailNotificationSIDKey] as? String,
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let threePidRequestTokenInfo = self.currentThreePidRequestTokenInfo,
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threePidRequestTokenInfo.clientSecret == clientSecret,
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threePidRequestTokenInfo.sid == sid else {
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return
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}
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self.bindThreePid(self.threePid, threePidRequestTokenInfo: threePidRequestTokenInfo)
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}
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// MARK: Phone number
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private func formattedPhoneNumber(from phoneNumber: String) -> String {
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guard phoneNumber.starts(with: "+") == false else {
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return phoneNumber
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}
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return "+\(threePid.address)"
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}
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private func validatePhoneNumber(with activationCode: String) {
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guard let identityService = self.session.identityService, let threePidRequestTokenInfo = self.currentThreePidRequestTokenInfo else {
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return
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}
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identityService.submit3PIDValidationToken(activationCode, medium: MX3PID.Medium.msisdn.identifier, clientSecret: threePidRequestTokenInfo.clientSecret, sid: threePidRequestTokenInfo.sid) { (response) in
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switch response {
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case .success:
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self.bindThreePid(self.threePid, threePidRequestTokenInfo: threePidRequestTokenInfo)
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case .failure(let error):
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self.update(viewState: .error(error))
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}
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}
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}
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}
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