admin
44096069a7
- 发送端流式（R-iOS-4）：新增 FileSource 抽象（web/src/features/transfer/source.ts），iOS 经 HTTP Range 惰性拉取（原生 WKURLSchemeHandler 认 Range 头 seek 回 206），整文件不进 WebView 内存；web/桌面经 fileSource 包装字节不变。p2p/relay/transfer 改吃 FileSource - 后台续传：iOS 26 BGContinuedProcessingTask（BackgroundTaskManager + AppDelegate 注册 + BGTaskSchedulerPermittedIdentifiers），引擎传输进度驱动系统进度 UI - APNs：后端 internal/apns（ES256 .p8 JWT + HTTP/2，仿 internal/push）+ push_subscriptions.platform 列 + POST /api/push/apns/register + transfer/message 未投递分支分流；原生 PushRegistry 授权 + 设备令牌经引擎桥 registerPush 上报；aps-environment + remote-notification 后台模式 - Share Extension：CDropShare appex 抓文件 → App Group 收件箱 → cdrop://share 深链唤主程序选设备发送（只交接、不跑引擎） - 控制中心剪贴板两控件：CDropWidgets widgetkit appex（ControlWidget + AppIntent + 纯原生 ClipboardClient REST）；用专用 broker 设备会话（主程序经引擎 provisionWidgetSession 代铸独立 device_id 会话存 App Group，控件自刷不与引擎抢 refresh 轮换） - 真机分发预备：committed 签名改 ad-hoc 使模拟器 entitlement 生效；真机手动签名 scaffold（Signing.xcconfig 仅 device SDK 套 Manual + gitignore 的 Local.xcconfig 填 Team/profile）+ just ios-device / ios-devices 全 CLI 装机；包名改 net.commilitia.Commilitia-Drop（含 .share/.widgets，BG task 前缀同改）；REALDEVICE.md 重写为门户 + CLI 装机手册 - I18n.swift 移 Shared/ 供三 target 共用；i18n 加 ios.bg/share/control.* 键 - ultracode 多 agent 审查修复（0 HIGH，2 MED + 7 LOW）：分享 send 后留收件箱致重发→move 私有暂存；WidgetSession 锁屏文件保护→UntilFirstUserAuthentication；outgoing/安全作用域登出释放；控件 device_id 登出清理；并发控件 refresh CAS-before-clear；APNs 读 reason + prune bad token + bust 过期 JWT；APNSEnv 大小写归一；Share-ext completeRequest 挪进 open 回调
686 lines
29 KiB
Swift
686 lines
29 KiB
Swift
import Foundation
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import Observation
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import UIKit
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import WebKit
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// 引擎过桥推来的设备 presence（对应 web store 的 DeviceInfo）。lastSeen 是 ms epoch。
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// 不用 Decodable：过桥的 JS 值经 WKWebView 桥后类型不稳（bool 可能成 NSNumber、
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// 整数 / 浮点混用），严格 JSONDecoder 一处不匹配就整组失败、列表全空。改手动容忍解析
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// （对齐 web hub.ts handlePresence 的防御式取值）。
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struct DeviceItem: Identifiable, Equatable
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{
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let name: String
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let type: String
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let online: Bool
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let lastSeen: Double
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var id: String { name }
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}
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// 引擎过桥推来的传输记录（对应 web engine/main.ts 的 toWire 精简视图）。ice* 为选中候选
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// 对诊断（揭示 P2P 是否实为 TURN 中继，解释慢速）。同样手动容忍解析。
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struct TransferItem: Identifiable, Equatable
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{
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let sessionId: String
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let direction: String
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let fileName: String
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let fileSize: Int
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let state: String
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let mode: String?
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let peerName: String
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let phase: String?
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let bytesTransferred: Int?
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let bytesPerSec: Double?
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let iceConn: String?
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let iceLocal: String?
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let iceRemote: String?
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var id: String { sessionId }
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}
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// 原生 ↔ 无头 JS 引擎的桥（对侧契约见 web/src/net/ios.ts、ios/PLAN.md §2）。
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// 注册名为 "cdropEngine" 的 WKScriptMessageHandler 收 { id, method, payload }（RPC）或
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// { notify, payload }（单向通知）；RPC 处理完经 evaluateJavaScript 调
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// window.__cdropEngineResolve(id, ok, value) 回交；推命令经 window.__cdropEngineEvent。
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@MainActor
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@Observable
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final class EngineController: NSObject
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{
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// SwiftUI 观察的引擎态。
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var status: String = t("ios.engine.disconnected")
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var deviceName: String = ""
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// 引擎经桥推来的真实态，替换原生 UI 原先的 demo 数据。
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var devices: [DeviceItem] = [] // 在线 / 离线设备 presence（每次 presence 事件整组替换）
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var transfers: [TransferItem] = [] // 活跃传输（每次 transfers 事件整组替换）
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var history: [TransferItem] = [] // 已完成传输（transferDone 逐条前插，限长 30）
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// 诊断信号（设置页展示）：SSE 是否连上 / 是否在重连 + 累计收到的 presence 事件数 + 引擎
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// 最近一条 warn/error 日志。用来定位「设备空」卡在哪一环（未连接？401？静默挂起？）。
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var hubConnected = false
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var hubReconnecting = false
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var presenceCount = 0
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var lastEngineLog = ""
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// 引擎 JS 是否已就绪（收到 "ready" 通知）。门控 APNs 令牌登记：令牌可能先于引擎到达，
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// 故 didRegister 与 ready 双触发 flushPushRegistration，任一顺序都登记得上。
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private var engineReady = false
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// 剪贴板 / 设备管理操作的瞬时反馈（设置页 / 设备页展示）。
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var clipboardStatus = ""
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var deviceActionStatus = ""
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// 引擎页地址：须安全源（WebRTC 在非安全 origin 可能被禁，见 PLAN R-iOS-3）。默认线上
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// https；可经环境变量 CDROP_ENGINE_URL 覆盖（本机测试指向 http://localhost——localhost
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// 是潜在可信源、算安全上下文，故 WebRTC 仍可用，同 Windows 桌面 loopback 思路）。
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private var engineURL: URL
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{
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if let s = ProcessInfo.processInfo.environment["CDROP_ENGINE_URL"], let u = URL(string: s)
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{
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return u
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}
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return URL(string: "https://drop.commilitia.net/engine.html")!
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}
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// 会话来源（登录后注入引擎 boot）。由 app 在启动时接好（AppRoot.onAppear）。
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var auth: AuthManager?
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private var webView: WKWebView?
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private let downloads = DownloadManager()
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// 待发文件暂存：id → 安全作用域 URL（文件选择器选中的文件）。引擎经 cdrop-file://<id>
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// 回取字节（下方 WKURLSchemeHandler 供给）。
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private var outgoing: [String: URL] = [:]
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override init()
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{
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super.init()
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PushRegistry.shared.engine = self
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}
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// makeWebView：构建离屏 WebView——注入 __CDROP_BOOT__（device_type:"ios"）、注册消息
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// 处理器、注册 cdrop-file 自定义 scheme（发送侧给 JS 喂文件字节）。幂等。
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func makeWebView() -> WKWebView
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{
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if let existing = webView { return existing }
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let ucc = WKUserContentController()
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ucc.add(self, name: "cdropEngine")
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// boot 注入：把登录后的真实会话注入引擎（无会话则 null）。device_type 标 ios 供后端
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// 登记；api_base 默认空（引擎与 /api 同源，从 prod 加载时相对 URL 即可）。
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let debug = ProcessInfo.processInfo.environment["CDROP_DEBUG_SESSION"] == "1"
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let boot = "window.__CDROP_BOOT__ = { session: \(sessionJSON()), "
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+ "device_name: \(jsString(currentDeviceName())), "
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+ "api_base: \(jsString(apiBaseForBoot())), device_type: \"ios\", debug: \(debug) };"
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ucc.addUserScript(WKUserScript(source: boot,
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injectionTime: .atDocumentStart,
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forMainFrameOnly: true))
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let cfg = WKWebViewConfiguration()
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cfg.userContentController = ucc
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cfg.setURLSchemeHandler(self, forURLScheme: "cdrop-file")
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// 迁移到 Auth Broker 后引擎自刷走注入的 refresh_token（POST /api/auth/refresh 代理
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// broker），不再依赖 cdrop_session cookie，故无需把 URLSession 的 cookie 同步进 WebView。
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let wv = WKWebView(frame: .zero, configuration: cfg)
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// 始终重新拉取 engine.html（忽略本地缓存），否则引擎更新后 WebView 可能仍跑旧包，
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// 新命令（剪贴板 / 设备管理等）在旧引擎里没有对应 handler → 静默失效。engine.html 很
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// 小、且它引用的哈希化 bundle 仍按内容寻址正常缓存，开销可忽略。
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var request = URLRequest(url: engineURL)
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request.cachePolicy = .reloadIgnoringLocalCacheData
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wv.load(request)
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webView = wv
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deviceName = currentDeviceName()
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// 已登录、引擎启动 → 请求通知授权并注册远程通知（幂等）。令牌回来后经引擎桥上报。
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PushRegistry.shared.requestAuthorizationAndRegister()
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return wv
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}
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// 登出复位：通知引擎断开 SSE、丢弃 WebView 并清空 UI 态。下次登录时 makeWebView 以新
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// 会话重建（boot 注入读 auth.session 的最新值）。
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func reset()
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{
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sendCommand("shutdown", payload: [:])
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webView = nil
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engineReady = false
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devices = []
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transfers = []
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history = []
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status = t("ios.engine.disconnected")
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deviceName = ""
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PushRegistry.shared.reset()
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WidgetSessionStore.clear()
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// L1：释放暂存待发文件的安全作用域访问 + 清空 outgoing，登出不残留访问声明 / 条目。
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for (_, url) in outgoing { url.stopAccessingSecurityScopedResource() }
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outgoing.removeAll()
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// L2：清掉控件设备 id，下次登录铸全新控件身份。
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CDropAPI.clearWidgetDeviceID()
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}
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// 收到的文件（Documents 沙盒，与 Files app 同一批）。供「收到的文件」视图浏览 / 转发。
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func receivedFiles() -> [URL] { downloads.receivedFiles() }
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func deleteReceivedFile(_ url: URL) { downloads.deleteReceivedFile(url) }
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// 按文件名在已落盘文件里找对应项（传输详情「打开文件」直达用）。落盘时同名会被
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// 唯一化为「name (1)」，故先精确匹配、再退回基名前缀匹配。
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func receivedFile(matching name: String) -> URL?
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{
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let files = downloads.receivedFiles()
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if let exact = files.first(where: { $0.lastPathComponent == name }) { return exact }
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let base = (name as NSString).deletingPathExtension
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return files.first { $0.lastPathComponent.hasPrefix(base) }
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}
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// 可发送目标：在线、且非本机（不发给自己）。发送 / 转发两处入口共用此过滤。
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func sendableDevices() -> [DeviceItem]
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{
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return devices.filter { $0.online && $0.name != deviceName }
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}
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// 剪贴板上行：读本机 UIPasteboard 文本交引擎上传云剪贴板（用户手势触发，前台读取合规）。
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func uploadClipboard()
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{
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let content = UIPasteboard.general.string ?? ""
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guard !content.isEmpty else { clipboardStatus = t("ios.clipboard.empty"); return }
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clipboardStatus = t("ios.clipboard.uploading")
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sendCommand("clipboardUpload", payload: [ "content": content ])
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}
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// 剪贴板下行：让引擎拉一次云剪贴板，回来写入 UIPasteboard（见 handleNotify "clipboard"）。
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func pullClipboard()
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{
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clipboardStatus = t("ios.clipboard.pulling")
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sendCommand("clipboardPull", payload: [:])
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}
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// 设备管理：移除 / 吊销一台设备。
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func revokeDevice(_ name: String)
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{
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deviceActionStatus = ""
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sendCommand("revokeDevice", payload: [ "name": name ])
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}
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// APNs 令牌登记：原生拿到令牌（PushRegistry.didRegister）或引擎刚就绪（ready）任一时机调用。
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// 仅在引擎已就绪 + 有令牌时经桥上报，把令牌交后端 /api/push/apns/register（用新鲜会话 token）。
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func flushPushRegistration()
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{
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guard engineReady, let token = PushRegistry.shared.deviceTokenHex else { return }
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sendCommand("registerPush", payload: [ "token": token, "locale": I18n.locale ])
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}
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// 控件会话代铸：引擎就绪后，若 App Group 尚无控件会话则让引擎铸一条（独立 device_id +
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// 「<设备> · 控件」标签）。已有则不重复铸——控件自刷拥有它，重复铸会轮换掉控件的新令牌。
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func provisionWidgetSessionIfNeeded()
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{
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guard engineReady, WidgetSessionStore.load() == nil else { return }
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let id = CDropAPI.widgetDeviceID()
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let label = t("ios.control.sessionLabel", [ "name": currentDeviceName() ])
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sendCommand("provisionWidgetSession", payload: [ "device_id": id, "device_name": label ])
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}
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// 推命令给引擎（原生 → JS，window.__cdropEngineEvent）。
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func sendCommand(_ name: String, payload: [String: Any])
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{
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guard let json = jsonString(payload) else { return }
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webView?.evaluateJavaScript("window.__cdropEngineEvent(\(jsString(name)), \(json));")
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}
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// sendFile：暂存选中文件、把 cdrop-file://<id> 引用 + 目标设备交给引擎发起传输。
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func sendFile(to target: String, fileURL: URL)
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{
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let ref = stageOutgoingFile(fileURL)
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var size = 0
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if let attrs = try? FileManager.default.attributesOfItem(atPath: fileURL.path),
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let n = attrs[.size] as? Int { size = n }
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sendCommand("sendFile", payload: [
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"target": target,
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"url": ref,
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"name": fileURL.lastPathComponent,
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"size": size,
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])
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}
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// Share Extension 经 App Group 收件箱交接来的待发文件（经 cdrop://share 唤起后导入）。
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// 非空即触发主界面的「选设备发送」弹窗。
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var pendingShareFiles: [URL] = []
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// 导入分享：先回收陈旧暂存，再读收件箱当前文件填入 pendingShareFiles（驱动弹窗）。
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func loadPendingShares()
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{
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AppGroup.pruneStale()
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pendingShareFiles = AppGroup.inboxFiles()
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}
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// 把待发的分享文件发往选中设备。先把每个文件从 App Group 收件箱 move 到 app 私有暂存
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// （同卷重命名，便宜），再发——收件箱当即清空，避免下次 loadPendingShares（再分享 / 重启）
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// 重列已发文件而重复发送（审查 M1）。传输异步从私有暂存读取，不再依赖收件箱。
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func sendShares(to device: String)
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{
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for url in pendingShareFiles
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{
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if let staged = moveShareToPrivate(url) { sendFile(to: device, fileURL: staged) }
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AppGroup.removeStaged(url)
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}
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pendingShareFiles = []
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}
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// 把分享文件移到 app 私有暂存目录（保留原名），供传输异步读取；收件箱不再持有它。
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private func moveShareToPrivate(_ url: URL) -> URL?
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{
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let dir = FileManager.default.temporaryDirectory
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.appendingPathComponent("ShareOutbox/\(UUID().uuidString)", isDirectory: true)
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try? FileManager.default.createDirectory(at: dir, withIntermediateDirectories: true)
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let dest = dir.appendingPathComponent(url.lastPathComponent)
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do { try FileManager.default.moveItem(at: url, to: dest); return dest }
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catch { return nil }
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}
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// 取消分享：删掉收件箱里这些待发文件 + 清空待发列表。
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func dismissShares()
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{
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for url in pendingShareFiles { AppGroup.removeStaged(url) }
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pendingShareFiles = []
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}
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// 暂存待发文件，返回引擎用的 cdrop-file://<id> 引用。文件选择器给的 URL 是安全作用域
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// 资源，需 start...Access 才能读。
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private func stageOutgoingFile(_ url: URL) -> String
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{
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let id = UUID().uuidString
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_ = url.startAccessingSecurityScopedResource()
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outgoing[id] = url
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return "cdrop-file://\(id)"
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}
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}
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// MARK: - JS → 原生（RPC + 通知）
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extension EngineController: WKScriptMessageHandler
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{
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func userContentController(_ uc: WKUserContentController, didReceive message: WKScriptMessage)
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{
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guard let body = message.body as? [String: Any] else { return }
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if let id = body["id"] as? Int
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{
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handleRPC(id: id,
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method: body["method"] as? String ?? "",
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payload: body["payload"] as? [String: Any] ?? [:])
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return
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}
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if let notify = body["notify"] as? String
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{
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handleNotify(notify, payload: body["payload"])
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}
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}
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private func handleRPC(id: Int, method: String, payload: [String: Any])
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{
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do
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{
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switch method
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{
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case "saveDownload":
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let name = payload["name"] as? String ?? "download"
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let path = try downloads.saveWhole(name: name, data: decodeBase64(payload["data"]))
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resolve(id: id, ok: true, value: path)
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case "beginDownload":
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try downloads.begin(sessionId: payload["sessionId"] as? String ?? "")
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resolve(id: id, ok: true, value: nil)
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case "appendDownload":
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try downloads.append(sessionId: payload["sessionId"] as? String ?? "",
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data: decodeBase64(payload["data"]))
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resolve(id: id, ok: true, value: nil)
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case "finalizeDownload":
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let path = try downloads.finalize(sessionId: payload["sessionId"] as? String ?? "",
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name: payload["name"] as? String ?? "download")
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resolve(id: id, ok: true, value: path)
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case "abortDownload":
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downloads.abort(sessionId: payload["sessionId"] as? String ?? "")
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resolve(id: id, ok: true, value: nil)
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default:
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resolve(id: id, ok: false, value: "unknown method: \(method)")
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}
|
||
}
|
||
catch
|
||
{
|
||
resolve(id: id, ok: false, value: "\(error)")
|
||
}
|
||
}
|
||
|
||
private func handleNotify(_ name: String, payload: Any?)
|
||
{
|
||
switch name
|
||
{
|
||
case "ready":
|
||
status = t("ios.engine.ready")
|
||
engineReady = true
|
||
flushPushRegistration()
|
||
provisionWidgetSessionIfNeeded()
|
||
case "probe":
|
||
// 本机 WebRTC-in-WKWebView 探针结果（验 arch A 命门 R-iOS-3）。
|
||
if let p = payload as? [String: Any]
|
||
{
|
||
let secure = (p["secure"] as? Bool) ?? false
|
||
let rtc = (p["rtc"] as? String) ?? "?"
|
||
let host = (p["host"] as? Int) ?? 0
|
||
let srflx = (p["srflx"] as? Int) ?? 0
|
||
status = "安全:\(secure) RTC:\(rtc) host:\(host) srflx:\(srflx)"
|
||
}
|
||
case "presence":
|
||
// 注意：桥来的 JS 数组是 NSArray，`as? [[String: Any]]` 这种嵌套泛型条件转换
|
||
// 在 Foundation 桥接下常整体失败（即便数据合法）→ 列表全空。故先转 [Any] 再逐
|
||
// 元素 as? [String: Any]，这是先前「健壮解析」仍漏掉的真正失败点。
|
||
if let p = payload as? [String: Any], let raw = p["devices"] as? [Any]
|
||
{
|
||
devices = raw.compactMap { ($0 as? [String: Any]).flatMap(Self.parseDevice) }
|
||
}
|
||
case "transfers":
|
||
if let p = payload as? [String: Any], let raw = p["active"] as? [Any]
|
||
{
|
||
transfers = raw.compactMap { ($0 as? [String: Any]).flatMap(Self.parseTransfer) }
|
||
syncBackgroundTask()
|
||
}
|
||
case "transferDone":
|
||
// 完成项移出活跃、前插历史；按 sessionId 去重避免重复事件叠加。
|
||
if let p = payload as? [String: Any], let item = Self.parseTransfer(p)
|
||
{
|
||
transfers.removeAll { $0.sessionId == item.sessionId }
|
||
history.removeAll { $0.sessionId == item.sessionId }
|
||
history.insert(item, at: 0)
|
||
if history.count > 30 { history.removeLast(history.count - 30) }
|
||
syncBackgroundTask()
|
||
}
|
||
case "sendStarted":
|
||
// 随后的 transfers 事件会带出该活跃项，这里无需额外处理。
|
||
break
|
||
case "hubState":
|
||
if let p = payload as? [String: Any]
|
||
{
|
||
hubConnected = Self.boolOf(p["connected"])
|
||
hubReconnecting = Self.boolOf(p["reconnecting"])
|
||
presenceCount = Self.intOf(p["presenceCount"])
|
||
}
|
||
case "log":
|
||
if let p = payload as? [String: Any], let msg = p["msg"] as? String
|
||
{
|
||
lastEngineLog = msg
|
||
}
|
||
case "clipboard":
|
||
// 引擎拉回的云剪贴板内容 → 写入本机 UIPasteboard。
|
||
if let p = payload as? [String: Any], let content = p["content"] as? String, !content.isEmpty
|
||
{
|
||
UIPasteboard.general.string = content
|
||
clipboardStatus = t("ios.clipboard.pulled")
|
||
}
|
||
else
|
||
{
|
||
clipboardStatus = t("ios.clipboard.empty")
|
||
}
|
||
case "clipboardUploaded":
|
||
clipboardStatus = t("ios.clipboard.uploaded")
|
||
case "deviceRevoked":
|
||
deviceActionStatus = t("ios.devices.revoked")
|
||
case "error":
|
||
// 复用现有 error 通知：剪贴板 / 吊销失败也走这里，分流到对应状态行。
|
||
if let p = payload as? [String: Any]
|
||
{
|
||
let stage = p["stage"] as? String ?? ""
|
||
let msg = p["message"] as? String ?? ""
|
||
if stage == "clipboard" { clipboardStatus = t("ios.clipboard.failed") }
|
||
else if stage == "revoke"
|
||
{
|
||
deviceActionStatus = msg == "step_up_required"
|
||
? t("ios.devices.revokeStepUp") : t("ios.devices.revokeFailed")
|
||
}
|
||
else { status = "错误：\(msg)" }
|
||
}
|
||
case "sessionRotated":
|
||
// 引擎自刷致 broker 轮换 refresh → 更新 Keychain，重启免用失效旧 refresh。
|
||
if let p = payload as? [String: Any],
|
||
let access = p["access_token"] as? String,
|
||
let refresh = p["refresh_token"] as? String
|
||
{
|
||
auth?.updateSession(accessToken: access, refreshToken: refresh)
|
||
}
|
||
case "widgetSession":
|
||
// 引擎代铸的控件专用设备会话 → 存 App Group 供控制中心控件读取 / 自刷。
|
||
if let p = payload as? [String: Any],
|
||
let access = p["access_token"] as? String,
|
||
let refresh = p["refresh_token"] as? String,
|
||
let userId = p["user_id"] as? String
|
||
{
|
||
WidgetSessionStore.save(WidgetSession(accessToken: access, refreshToken: refresh, userId: userId))
|
||
}
|
||
case "authExpired":
|
||
// 引擎确证会话已失效（refresh 过期 / 吊销）→ 清 Keychain 回登录页。
|
||
auth?.logout()
|
||
reset()
|
||
default:
|
||
break
|
||
}
|
||
}
|
||
|
||
private func resolve(id: Int, ok: Bool, value: Any?)
|
||
{
|
||
webView?.evaluateJavaScript("window.__cdropEngineResolve(\(id), \(ok), \(jsonValue(value)));")
|
||
}
|
||
|
||
// 活跃传输变化时驱动后台续传任务：transfers 即活跃集（完成项已移入 history），故按其
|
||
// 数量与聚合字节进度通知 BackgroundTaskManager 提交 / 更新 / 完成（见 R-iOS-1 / R-iOS-3）。
|
||
private func syncBackgroundTask()
|
||
{
|
||
let total = transfers.reduce(0) { $0 + $1.fileSize }
|
||
let done = transfers.reduce(0) { $0 + ($1.bytesTransferred ?? 0) }
|
||
let fraction = total > 0 ? Double(done) / Double(total) : 0
|
||
BackgroundTaskManager.shared.sync(activeCount: transfers.count, fraction: fraction)
|
||
}
|
||
}
|
||
|
||
// MARK: - 发送侧自定义 scheme（cdrop-file）
|
||
|
||
extension EngineController: WKURLSchemeHandler
|
||
{
|
||
// 发送侧：原生把暂存的待发文件经 cdrop-file://<id> 喂给引擎（JS fetch 它得到字节，
|
||
// 见 PLAN §2 / R-iOS-4）。引擎（rangeSource）按块带 `Range` 头拉取——这里 seek 文件
|
||
// 仅读该区间、回 206 Partial Content，整文件永不入内存，避大文件 jetsam。无 Range
|
||
// 头时回退整文件（防御路径；引擎正常总带 Range）。
|
||
func webView(_ webView: WKWebView, start urlSchemeTask: any WKURLSchemeTask)
|
||
{
|
||
guard let url = urlSchemeTask.request.url, let id = url.host, let fileURL = outgoing[id]
|
||
else
|
||
{
|
||
respond(urlSchemeTask, status: 404)
|
||
return
|
||
}
|
||
guard let attrs = try? FileManager.default.attributesOfItem(atPath: fileURL.path),
|
||
let total = attrs[.size] as? Int,
|
||
let handle = try? FileHandle(forReadingFrom: fileURL)
|
||
else
|
||
{
|
||
respond(urlSchemeTask, status: 404)
|
||
return
|
||
}
|
||
defer { try? handle.close() }
|
||
|
||
if let range = Self.parseByteRange(urlSchemeTask.request.value(forHTTPHeaderField: "Range"), total: total)
|
||
{
|
||
let data: Data
|
||
do
|
||
{
|
||
try handle.seek(toOffset: UInt64(range.lowerBound))
|
||
data = (try handle.read(upToCount: range.count)) ?? Data()
|
||
}
|
||
catch
|
||
{
|
||
respond(urlSchemeTask, status: 500)
|
||
return
|
||
}
|
||
let resp = HTTPURLResponse(url: url, statusCode: 206, httpVersion: "HTTP/1.1",
|
||
headerFields: [
|
||
"Content-Type": "application/octet-stream",
|
||
"Content-Length": "\(data.count)",
|
||
"Content-Range": "bytes \(range.lowerBound)-\(range.upperBound - 1)/\(total)",
|
||
"Accept-Ranges": "bytes",
|
||
])!
|
||
urlSchemeTask.didReceive(resp)
|
||
urlSchemeTask.didReceive(data)
|
||
urlSchemeTask.didFinish()
|
||
return
|
||
}
|
||
|
||
let data = (try? handle.readToEnd()) ?? Data()
|
||
let resp = HTTPURLResponse(url: url, statusCode: 200, httpVersion: "HTTP/1.1",
|
||
headerFields: [
|
||
"Content-Type": "application/octet-stream",
|
||
"Content-Length": "\(data.count)",
|
||
"Accept-Ranges": "bytes",
|
||
])!
|
||
urlSchemeTask.didReceive(resp)
|
||
urlSchemeTask.didReceive(data)
|
||
urlSchemeTask.didFinish()
|
||
}
|
||
|
||
func webView(_ webView: WKWebView, stop urlSchemeTask: any WKURLSchemeTask)
|
||
{
|
||
// 每次请求同步返回（一块即一次 read），无长任务需取消。
|
||
}
|
||
|
||
// 解析 HTTP `Range: bytes=start-end`（end 含端）。返回半开区间 [lowerBound, upperBound)。
|
||
// end 缺省（"bytes=start-"）取到 EOF；越界裁剪到文件尾；非法 / 不可满足返回 nil。
|
||
static func parseByteRange(_ header: String?, total: Int) -> Range<Int>?
|
||
{
|
||
guard let header, header.hasPrefix("bytes="), total > 0 else { return nil }
|
||
let spec = header.dropFirst("bytes=".count)
|
||
let parts = spec.split(separator: "-", maxSplits: 1, omittingEmptySubsequences: false)
|
||
guard parts.count == 2, let start = Int(parts[0]), start >= 0, start < total else { return nil }
|
||
let endInclusive: Int
|
||
if parts[1].isEmpty { endInclusive = total - 1 }
|
||
else if let e = Int(parts[1]) { endInclusive = min(e, total - 1) }
|
||
else { return nil }
|
||
guard endInclusive >= start else { return nil }
|
||
return start ..< (endInclusive + 1)
|
||
}
|
||
|
||
private func respond(_ task: any WKURLSchemeTask, status: Int)
|
||
{
|
||
guard let url = task.request.url,
|
||
let resp = HTTPURLResponse(url: url, statusCode: status, httpVersion: nil, headerFields: nil)
|
||
else { return }
|
||
task.didReceive(resp)
|
||
task.didFinish()
|
||
}
|
||
}
|
||
|
||
// MARK: - 通知解析（手动容忍，见 DeviceItem 注释）
|
||
|
||
extension EngineController
|
||
{
|
||
// 桥来的数值经 WKWebView 后可能是 NSNumber / Int / Double / Bool，任一字段类型不符都
|
||
// 不应让整组失败。下列取值器逐字段宽松转换，缺失给默认。
|
||
static func parseDevice(_ d: [String: Any]) -> DeviceItem?
|
||
{
|
||
guard let name = d["name"] as? String, let type = d["type"] as? String else { return nil }
|
||
return DeviceItem(name: name,
|
||
type: type,
|
||
online: boolOf(d["online"]),
|
||
lastSeen: doubleOf(d["lastSeen"]))
|
||
}
|
||
|
||
static func parseTransfer(_ t: [String: Any]) -> TransferItem?
|
||
{
|
||
guard let sessionId = t["sessionId"] as? String else { return nil }
|
||
let ice = t["ice"] as? [String: Any]
|
||
return TransferItem(sessionId: sessionId,
|
||
direction: t["direction"] as? String ?? "outgoing",
|
||
fileName: t["fileName"] as? String ?? "",
|
||
fileSize: intOf(t["fileSize"]),
|
||
state: t["state"] as? String ?? "PENDING",
|
||
mode: t["mode"] as? String,
|
||
peerName: t["peerName"] as? String ?? "",
|
||
phase: t["phase"] as? String,
|
||
bytesTransferred: t["bytesTransferred"].map { intOf($0) },
|
||
bytesPerSec: t["bytesPerSec"].map { doubleOf($0) },
|
||
iceConn: ice?["conn"] as? String,
|
||
iceLocal: ice?["local"] as? String,
|
||
iceRemote: ice?["remote"] as? String)
|
||
}
|
||
|
||
static func boolOf(_ v: Any?) -> Bool
|
||
{
|
||
if let b = v as? Bool { return b }
|
||
if let n = v as? NSNumber { return n.boolValue }
|
||
return false
|
||
}
|
||
|
||
static func intOf(_ v: Any?) -> Int
|
||
{
|
||
if let i = v as? Int { return i }
|
||
if let n = v as? NSNumber { return n.intValue }
|
||
if let d = v as? Double { return Int(d) }
|
||
return 0
|
||
}
|
||
|
||
static func doubleOf(_ v: Any?) -> Double
|
||
{
|
||
if let d = v as? Double { return d }
|
||
if let n = v as? NSNumber { return n.doubleValue }
|
||
if let i = v as? Int { return Double(i) }
|
||
return 0
|
||
}
|
||
}
|
||
|
||
// MARK: - 编码助手
|
||
|
||
private extension EngineController
|
||
{
|
||
func decodeBase64(_ v: Any?) -> Data
|
||
{
|
||
guard let s = v as? String, let d = Data(base64Encoded: s) else { return Data() }
|
||
return d
|
||
}
|
||
|
||
func jsonString(_ obj: [String: Any]) -> String?
|
||
{
|
||
guard JSONSerialization.isValidJSONObject(obj),
|
||
let d = try? JSONSerialization.data(withJSONObject: obj),
|
||
let s = String(data: d, encoding: .utf8)
|
||
else { return nil }
|
||
return s
|
||
}
|
||
|
||
// 把任意值编码成可嵌入 JS 的字面量（字符串走 JSON 转义；nil → null）。借数组包裹再
|
||
// 剥括号，绕过 JSONSerialization 不接受顶层标量的限制。
|
||
func jsonValue(_ v: Any?) -> String
|
||
{
|
||
guard let v = v else { return "null" }
|
||
guard let d = try? JSONSerialization.data(withJSONObject: [v]),
|
||
let s = String(data: d, encoding: .utf8)
|
||
else { return "null" }
|
||
return String(s.dropFirst().dropLast())
|
||
}
|
||
|
||
func jsString(_ s: String) -> String
|
||
{
|
||
return jsonValue(s)
|
||
}
|
||
|
||
// 引擎 boot 注入用：会话 JSON（无会话则 null）、设备名、api_base。
|
||
func sessionJSON() -> String
|
||
{
|
||
guard let s = auth?.session else { return "null" }
|
||
return "{ access_token: \(jsString(s.accessToken)), "
|
||
+ "refresh_token: \(jsString(s.refreshToken)), "
|
||
+ "user: { id: \(jsString(s.user.id)), name: \(jsString(s.user.name)) } }"
|
||
}
|
||
|
||
func currentDeviceName() -> String
|
||
{
|
||
return auth?.session?.deviceName ?? "iPhone"
|
||
}
|
||
|
||
func apiBaseForBoot() -> String
|
||
{
|
||
return ProcessInfo.processInfo.environment["CDROP_API_BASE"] ?? ""
|
||
}
|
||
}
|