133 lines
4.2 KiB
Swift
133 lines
4.2 KiB
Swift
//
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// Copyright 2023 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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public import LibSignalClient
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public protocol WhoAmIManager {
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typealias WhoAmIResponse = WhoAmIRequestFactory.Responses.WhoAmI
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func makeWhoAmIRequest() async throws -> WhoAmIResponse
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}
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struct WhoAmIManagerImpl: WhoAmIManager {
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private let networkManager: NetworkManager
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init(networkManager: NetworkManager) {
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self.networkManager = networkManager
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}
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func makeWhoAmIRequest() async throws -> WhoAmIResponse {
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let response = try await networkManager.asyncRequest(
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WhoAmIRequestFactory.whoAmIRequest(auth: .implicit())
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)
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guard response.responseStatusCode == 200 else {
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throw OWSAssertionError("Unexpected status code from WhoAmI! \(response.responseStatusCode)")
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}
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guard let bodyData = response.responseBodyData else {
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throw OWSAssertionError("Missing response body data from WhoAmI!")
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}
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do {
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return try JSONDecoder().decode(WhoAmIResponse.self, from: bodyData)
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} catch {
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throw OWSAssertionError("Failed to parse WhoAmI response! \(error)")
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}
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}
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}
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// MARK: -
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public enum WhoAmIRequestFactory {
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public enum Responses {
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public struct WhoAmI: Decodable {
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public struct Entitlements: Decodable {
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private enum CodingKeys: String, CodingKey {
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case backup
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case badges
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}
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public struct BackupEntitlement: Decodable {
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private enum CodingKeys: String, CodingKey {
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case backupLevel
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case expirationSeconds
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}
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public let backupLevel: Int
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public let expirationSeconds: TimeInterval
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}
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public struct BadgeEntitlement: Decodable {
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private enum CodingKeys: String, CodingKey {
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case badgeId = "id"
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case isVisible = "visible"
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case expirationSeconds
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}
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public let badgeId: String
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public let isVisible: Bool
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public let expirationSeconds: TimeInterval
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}
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public let backup: BackupEntitlement?
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public let badges: [BadgeEntitlement]
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}
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private enum CodingKeys: String, CodingKey {
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case aci = "uuid"
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case pni
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case e164 = "number"
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case usernameHash
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case entitlements
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}
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@AciUuid public var aci: Aci
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@PniUuid public var pni: Pni
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public let e164: E164
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public let usernameHash: String?
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public let entitlements: Entitlements
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}
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public enum AmIDeregistered: Int, UnknownEnumCodable {
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case notDeregistered = 200
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case deregistered = 401
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case unexpectedError = -1
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static public var unknown: Self { .unexpectedError }
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}
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}
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/// Response body should be a `Responses.WhoAmI` json.
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public static func whoAmIRequest(
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auth: ChatServiceAuth
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) -> TSRequest {
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let result = TSRequest(
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url: URL(string: "v1/accounts/whoami")!,
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method: "GET",
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parameters: [:]
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)
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result.shouldHaveAuthorizationHeaders = true
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result.setAuth(auth)
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return result
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}
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/// Usage of this request is limited to checking if the account is deregistered via REST.
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/// This means the result contents are irrelevant; all that matters is if we get a 200, 401, or something else.
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/// See `Responses.AmIDeregistered`
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public static func amIDeregisteredRequest() -> TSRequest {
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let whoAmI = whoAmIRequest(auth: .implicit())
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// As counterintuitive as this is, we want this flag to be false.
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// (As of writing, it defaults to false anyway, but we want to be sure).
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// This flag is what tells us to make _this_ request to check for
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// de-registration, so we don't want to loop forever.
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whoAmI.shouldCheckDeregisteredOn401 = false
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return whoAmI
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}
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}
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