element-ios/RiotSwiftUI/Modules/Authentication/Common/Service/MatrixSDK/LoginWizard.swift

124 lines
6.0 KiB
Swift

//
// Copyright 2022-2024 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only
// Please see LICENSE in the repository root for full details.
//
import Foundation
import libPhoneNumber_iOS
/// Set of methods to be able to login to an existing account on a homeserver.
///
/// More documentation can be found in the file https://github.com/vector-im/element-android/blob/main/docs/signin.md
class LoginWizard {
struct State {
/// For SSO session recovery
var deviceId: String?
var resetPasswordEmail: String?
var resetPasswordData: ResetPasswordData?
var clientSecret = UUID().uuidString
var sendAttempt: UInt = 0
}
let client: AuthenticationRestClient
let sessionCreator: SessionCreatorProtocol
private(set) var state: State
init(client: AuthenticationRestClient, sessionCreator: SessionCreatorProtocol) {
self.client = client
self.sessionCreator = sessionCreator
state = State()
}
/// Login to the homeserver.
/// - Parameters:
/// - login: The login field. Can be a user name, or a msisdn (email or phone number) associated to the account.
/// - password: The password of the account.
/// - initialDeviceName: The initial device name.
/// - deviceID: The device ID, optional. If not provided or nil, the server will generate one.
/// - removeOtherAccounts: If set to true, existing accounts with different user identifiers will be removed.
/// - Returns: An `MXSession` if the login is successful.
func login(login: String,
password: String,
initialDeviceName: String,
deviceID: String? = nil,
removeOtherAccounts: Bool = false) async throws -> MXSession {
let parameters: LoginPasswordParameters
if MXTools.isEmailAddress(login) {
parameters = LoginPasswordParameters(id: .thirdParty(medium: .email, address: login),
password: password,
deviceDisplayName: initialDeviceName,
deviceID: deviceID)
} else if let number = try? NBPhoneNumberUtil.sharedInstance().parse(login, defaultRegion: nil),
NBPhoneNumberUtil.sharedInstance().isValidNumber(number) {
let msisdn = login.replacingOccurrences(of: "+", with: "")
parameters = LoginPasswordParameters(id: .thirdParty(medium: .msisdn, address: msisdn),
password: password,
deviceDisplayName: initialDeviceName,
deviceID: deviceID)
} else {
parameters = LoginPasswordParameters(id: .user(login),
password: password,
deviceDisplayName: initialDeviceName,
deviceID: deviceID)
}
let credentials = try await client.login(parameters: parameters)
return await sessionCreator.createSession(credentials: credentials,
client: client,
removeOtherAccounts: removeOtherAccounts)
}
/// Exchange a login token to an access token.
/// - Parameters:
/// - token: A login token, obtained when login has happened in a WebView, using SSO.
/// - removeOtherAccounts: If set to true, existing accounts with different user identifiers will be removed.
/// - Returns: An `MXSession` if the login is successful.
func login(with token: String, removeOtherAccounts: Bool = false) async throws -> MXSession {
let parameters = LoginTokenParameters(token: token)
let credentials = try await client.login(parameters: parameters)
return await sessionCreator.createSession(credentials: credentials,
client: client,
removeOtherAccounts: removeOtherAccounts)
}
/// Ask the homeserver to reset the user password. The password will not be
/// reset until `resetPasswordMailConfirmed` is successfully called.
/// - Parameters:
/// - email: An email previously associated to the account the user wants the password to be reset.
func resetPassword(email: String) async throws {
let result = try await client.forgetPassword(for: email,
clientSecret: state.clientSecret,
sendAttempt: state.sendAttempt)
state.sendAttempt += 1
state.resetPasswordData = ResetPasswordData(addThreePIDSessionID: result)
}
/// Confirm the new password, once the user has checked their email.
/// When this method succeeds, the account password will be effectively modified.
/// - Parameters:
/// - newPassword: The desired new password
/// - signoutAllDevices: The flag to sign out of all devices
func resetPasswordMailConfirmed(newPassword: String, signoutAllDevices: Bool) async throws {
guard let resetPasswordData = state.resetPasswordData else {
MXLog.error("[LoginWizard] resetPasswordMailConfirmed: Reset password data missing. Call resetPassword first.")
throw LoginError.resetPasswordNotStarted
}
let parameters = CheckResetPasswordParameters(clientSecret: state.clientSecret,
sessionID: resetPasswordData.addThreePIDSessionID,
newPassword: newPassword,
signoutAllDevices: signoutAllDevices)
try await client.resetPassword(parameters: parameters)
state.resetPasswordData = nil
}
}