Tusker/Packages/UserAccounts/Sources/UserAccounts/UserAccountInfo.swift

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//
// UserAccountInfo.swift
// UserAccounts
//
// Created by Shadowfacts on 3/5/23.
//
import Foundation
import CryptoKit
public struct UserAccountInfo: Equatable, Hashable, Identifiable {
public let id: String
public let instanceURL: URL
public let clientID: String
public let clientSecret: String
public private(set) var username: String!
public let accessToken: String
fileprivate static let tempAccountID = "temp"
static func id(instanceURL: URL, username: String?) -> String {
// We hash the instance host and username to form the account ID
// so that account IDs will match across devices, allowing for data syncing and handoff.
var hasher = SHA256()
hasher.update(data: instanceURL.host!.data(using: .utf8)!)
if let username {
hasher.update(data: username.data(using: .utf8)!)
}
return Data(hasher.finalize()).base64EncodedString()
}
/// Only to be used for temporary MastodonController needed to fetch own account info and create final UserAccountInfo with real username
public init(tempInstanceURL instanceURL: URL, clientID: String, clientSecret: String, accessToken: String) {
self.id = UserAccountInfo.tempAccountID
self.instanceURL = instanceURL
self.clientID = clientID
self.clientSecret = clientSecret
self.accessToken = accessToken
}
init(instanceURL: URL, clientID: String, clientSecret: String, username: String? = nil, accessToken: String) {
self.id = UserAccountInfo.id(instanceURL: instanceURL, username: username)
self.instanceURL = instanceURL
self.clientID = clientID
self.clientSecret = clientSecret
self.username = username
self.accessToken = accessToken
}
init?(userDefaultsDict dict: [String: String]) {
guard let id = dict["id"],
let instanceURL = dict["instanceURL"],
let url = URL(string: instanceURL),
let clientID = dict["clientID"],
let secret = dict["clientSecret"],
let accessToken = dict["accessToken"] else {
return nil
}
self.id = id
self.instanceURL = url
self.clientID = clientID
self.clientSecret = secret
self.username = dict["username"]
self.accessToken = accessToken
}
/// A filename-safe string for this account
public var persistenceKey: String {
// slashes are not allowed in the persistent store coordinator name
id.replacingOccurrences(of: "/", with: "_")
}
public func hash(into hasher: inout Hasher) {
hasher.combine(id)
}
public static func ==(lhs: UserAccountInfo, rhs: UserAccountInfo) -> Bool {
return lhs.id == rhs.id
}
}