70 lines
2.6 KiB
Swift
70 lines
2.6 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Foundation
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import Combine
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class IdentitiesService {
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@Published var mostRecentlyUsedIdentityID: UUID?
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private let identityDatabase: IdentityDatabase
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private let keychainService: KeychainServiceType
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private let environment: AppEnvironment
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init(identityDatabase: IdentityDatabase, keychainService: KeychainServiceType, environment: AppEnvironment) {
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self.identityDatabase = identityDatabase
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self.keychainService = keychainService
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self.environment = environment
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identityDatabase.mostRecentlyUsedIdentityIDObservation()
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.replaceError(with: nil)
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.assign(to: &$mostRecentlyUsedIdentityID)
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}
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}
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extension IdentitiesService {
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func identityService(id: UUID) throws -> IdentityService {
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try IdentityService(identityID: id,
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identityDatabase: identityDatabase,
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keychainService: keychainService,
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environment: environment)
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}
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func createIdentity(id: UUID, instanceURL: URL) -> AnyPublisher<Void, Error> {
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identityDatabase.createIdentity(id: id, url: instanceURL)
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}
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func authorizeIdentity(id: UUID, instanceURL: URL) -> AnyPublisher<Void, Error> {
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let secretsService = SecretsService(identityID: id, keychainService: keychainService)
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let authenticationService = AuthenticationService(environment: environment)
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return authenticationService.authorizeApp(instanceURL: instanceURL)
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.tryMap { appAuthorization -> (URL, AppAuthorization) in
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try secretsService.set(appAuthorization.clientId, forItem: .clientID)
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try secretsService.set(appAuthorization.clientSecret, forItem: .clientSecret)
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return (instanceURL, appAuthorization)
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}
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.flatMap(authenticationService.authenticate(instanceURL:appAuthorization:))
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.tryMap { accessToken -> Void in
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try secretsService.set(accessToken.accessToken, forItem: .accessToken)
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return ()
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}
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.eraseToAnyPublisher()
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}
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func deleteIdentity(id: UUID) -> AnyPublisher<Void, Error> {
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identityDatabase.deleteIdentity(id: id)
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.continuingIfWeakReferenceIsStillAlive(to: self)
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.tryMap { _, welf -> Void in
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try SecretsService(
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identityID: id,
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keychainService: welf.keychainService)
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.deleteAllItems()
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return ()
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}
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.eraseToAnyPublisher()
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}
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}
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