96 lines
3.5 KiB
Swift
96 lines
3.5 KiB
Swift
//
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// Copyright 2025 Element Creations Ltd.
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// Copyright 2024-2025 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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struct SessionDirectories: Hashable, Codable {
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let dataDirectory: URL
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let cacheDirectory: URL
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var dataPath: String {
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dataDirectory.path(percentEncoded: false)
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}
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var cachePath: String {
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cacheDirectory.path(percentEncoded: false)
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}
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// MARK: Data Management
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/// Removes the directories from disk if they have been created.
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func delete() {
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do {
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if FileManager.default.directoryExists(at: dataDirectory) {
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try FileManager.default.removeItem(at: dataDirectory)
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}
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} catch {
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MXLog.failure("Failed deleting the session data: \(error)")
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}
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do {
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if FileManager.default.directoryExists(at: cacheDirectory) {
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try FileManager.default.removeItem(at: cacheDirectory)
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}
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} catch {
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MXLog.failure("Failed deleting the session caches: \(error)")
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}
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}
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/// Deletes the Rust state store and event cache data, leaving the crypto store and both
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/// session directories in place along with any other data that may have been written in them.
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func deleteTransientUserData() {
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do {
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let prefix = "matrix-sdk-state"
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try deleteFiles(at: dataDirectory, with: prefix)
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} catch {
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MXLog.failure("Failed clearing state store: \(error)")
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}
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do {
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let prefix = "matrix-sdk-event-cache"
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try deleteFiles(at: cacheDirectory, with: prefix)
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} catch {
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MXLog.failure("Failed clearing event cache store: \(error)")
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}
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}
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/// Check that mission critical files (the crypto db) are still in the right place when restoring a session
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/// iOS might decide to move the app with its user defaults and keychain but without
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/// some of the files stored in the shared container e.g. after a device transfer, offloading etc.
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/// If that happens we should fail the session restoration.
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func isNonTransientUserDataValid() -> Bool {
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FileManager.default.fileExists(atPath: dataPath.appending("/matrix-sdk-crypto.sqlite3"))
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}
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private func deleteFiles(at url: URL, with prefix: String) throws {
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let sessionDirectoryContents = try FileManager.default.contentsOfDirectory(at: url, includingPropertiesForKeys: nil)
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for url in sessionDirectoryContents where url.lastPathComponent.hasPrefix(prefix) {
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try FileManager.default.removeItem(at: url)
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}
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}
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}
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extension SessionDirectories {
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/// Creates a fresh set of session directories for a new user.
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init() {
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let sessionDirectoryName = UUID().uuidString
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dataDirectory = .sessionsBaseDirectory.appending(component: sessionDirectoryName)
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cacheDirectory = .sessionCachesBaseDirectory.appending(component: sessionDirectoryName)
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}
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/// Creates the session directories for a user who has a single session directory stored without a separate caches directory.
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init(dataDirectory: URL) {
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self.dataDirectory = dataDirectory
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cacheDirectory = .sessionCachesBaseDirectory.appending(component: dataDirectory.lastPathComponent)
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}
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}
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extension SessionDirectories: CustomStringConvertible {
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var description: String {
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"Data: \(dataPath) Caches: \(cachePath)"
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}
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}
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