6160c44d67
* Update copyright holding and dates * compound IDE Macros updated * update copyright * update copyrights done * update templates and README
67 lines
2.5 KiB
Swift
67 lines
2.5 KiB
Swift
//
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// Copyright 2025 Element Creations Ltd.
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// Copyright 2025 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
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// Please see LICENSE files in the repository root for full details.
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//
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import Foundation
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import MatrixRustSDK
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enum RemoteSettingsError: Error {
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case elementProRequired(serverName: String)
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}
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protocol RemoteSettingsHookProtocol {
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#if IS_MAIN_APP
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func initializeCache(using client: ClientProtocol, applyingTo appSettings: CommonSettingsProtocol) async -> Result<Void, RemoteSettingsError>
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func updateCache(using client: ClientProtocol) async
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func reset(_ appSettings: CommonSettingsProtocol)
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#endif
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func loadCache(forHomeserver homeserver: String, applyingTo appSettings: CommonSettingsProtocol)
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}
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struct DefaultRemoteSettingsHook: RemoteSettingsHookProtocol {
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#if IS_MAIN_APP
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/// A best effort implementation to let Element X advertise to users when they should be using
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/// Element Pro. In an ideal world the backend would be able to validate the client's requests
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/// instead of relying on it to check a well-known file for this.
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func initializeCache(using client: ClientProtocol, applyingTo appSettings: CommonSettingsProtocol) async -> Result<Void, RemoteSettingsError> {
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guard case let .success(wellKnownData) = await client.elementWellKnown() else {
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// Nothing to check, carry on as normal.
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return .success(())
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}
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do {
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let wellKnown = try JSONDecoder().decode(ElementWellKnown.self, from: wellKnownData)
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if wellKnown.enforceElementPro == true {
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let serverName = client.server() ?? client.homeserver()
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let displayableServerName = LoginHomeserver(address: serverName, loginMode: .unknown).address
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return .failure(.elementProRequired(serverName: displayableServerName))
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} else {
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return .success(())
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}
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} catch {
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// If it doesn't decode we have to assume it's a 404 page or similar.
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return .success(())
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}
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}
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func updateCache(using client: ClientProtocol) async { }
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func reset(_ appSettings: any CommonSettingsProtocol) { }
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#endif
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func loadCache(forHomeserver homeserver: String, applyingTo appSettings: CommonSettingsProtocol) { }
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}
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private struct ElementWellKnown: Decodable {
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var version: Int
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var enforceElementPro: Bool?
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enum CodingKeys: String, CodingKey {
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case version
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case enforceElementPro = "enforce_element_pro"
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}
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}
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