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https://github.com/vector-im/element-ios.git
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ec8100383f
Remove "Custom server" button from use case screen. Remove matrix.org description. Add username availability to registration screen.
156 lines
5.3 KiB
Swift
156 lines
5.3 KiB
Swift
//
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// Copyright 2021 New Vector Ltd
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// MARK: View model
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enum AuthenticationRegistrationViewModelResult: CustomStringConvertible {
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/// The user would like to select another server.
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case selectServer
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/// Validate the supplied username with the homeserver.
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case validateUsername(String)
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/// Create an account using the supplied credentials.
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case createAccount(username: String, password: String)
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/// Continue using the supplied SSO provider.
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case continueWithSSO(SSOIdentityProvider)
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/// Continue using a fallback
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case fallback
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/// A string representation of the result, ignoring any associated values that could leak PII.
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var description: String {
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switch self {
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case .selectServer:
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return "selectServer"
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case .validateUsername:
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return "validateUsername"
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case .createAccount:
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return "createAccount"
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case .continueWithSSO(let provider):
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return "continueWithSSO: \(provider)"
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case .fallback:
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return "fallback"
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}
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}
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}
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// MARK: View
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struct AuthenticationRegistrationViewState: BindableState {
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enum UsernameAvailability {
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/// The availability of the username is unknown.
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case unknown
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/// The username is available.
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case available
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/// The username is invalid for the following reason.
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case invalid(String)
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}
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/// Data about the selected homeserver.
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var homeserver: AuthenticationHomeserverViewData
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/// View state that can be bound to from SwiftUI.
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var bindings: AuthenticationRegistrationBindings
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/// Whether or not the username field has been edited yet.
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///
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/// This is used to delay showing an error state until the user has tried 1 username.
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var hasEditedUsername = false
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/// Whether or not the password field has been edited yet.
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///
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/// This is used to delay showing an error state until the user has tried 1 password.
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var hasEditedPassword = false
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/// The availability of the currently enetered username.
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var usernameAvailability: UsernameAvailability = .unknown
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/// The message to show in the username text field footer.
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var usernameFooterMessage: String {
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switch usernameAvailability {
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case .unknown:
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return VectorL10n.authenticationRegistrationUsernameFooter
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case .invalid(let errorMessage):
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return errorMessage
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case .available:
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let userID = "@\(bindings.username):\(homeserver.address)"
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return VectorL10n.authenticationRegistrationUsernameFooterAvailable(userID)
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}
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}
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/// Whether to show any SSO buttons.
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var showSSOButtons: Bool {
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!homeserver.ssoIdentityProviders.isEmpty
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}
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/// Whether the current `username` is invalid.
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var isUsernameInvalid: Bool {
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if case .invalid = usernameAvailability {
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return true
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} else {
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return bindings.username.isEmpty
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}
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}
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/// Whether the current `password` is invalid.
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var isPasswordInvalid: Bool {
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bindings.password.count < 8
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}
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/// `true` if it is possible to continue, otherwise `false`.
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var hasValidCredentials: Bool {
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!isUsernameInvalid && !isPasswordInvalid
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}
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}
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struct AuthenticationRegistrationBindings {
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/// The username input by the user.
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var username = ""
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/// The password input by the user.
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var password = ""
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/// Information describing the currently displayed alert.
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var alertInfo: AlertInfo<AuthenticationRegistrationErrorType>?
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}
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enum AuthenticationRegistrationViewAction {
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/// The user would like to select another server.
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case selectServer
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/// Validate the supplied username with the homeserver.
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case validateUsername
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/// Allows password validation to take place (sent after editing the password for the first time).
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case enablePasswordValidation
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/// Clear any availability messages being shown in the username text field footer.
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case resetUsernameAvailability
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/// Continue using the input username and password.
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case next
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/// Continue using the supplied SSO provider.
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case continueWithSSO(SSOIdentityProvider)
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/// Continue using the fallback page
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case fallback
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}
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enum AuthenticationRegistrationErrorType: Hashable {
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/// An error to be shown in the username text field footer.
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case usernameUnavailable(String)
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/// An error response from the homeserver.
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case mxError(String)
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/// The current homeserver address isn't valid.
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case invalidHomeserver
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/// The response from the homeserver was unexpected.
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case invalidResponse
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/// The homeserver doesn't support registration.
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case registrationDisabled
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/// An unknown error occurred.
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case unknown
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}
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