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Commilitia-Drop/ios/CDrop/Sources/Engine/EngineController.swift
T
admin 127070e226 设备名与令牌解耦 + iOS Broker 应用内登录 / 消息 / 图库 / 记录持久化 + 三端 bug 修复
设备名与令牌解耦(presence 按 device_id 键控):
- hub 主键改稳定 device_id(presence / online / kick 用之),peer 路由仍按设备名经 hub 内 clientFor 解析——不动传输核心;Client 加 Name + 连接键,PresenceDevice 加 device_id,sse 传 claims.DeviceID,publishPresence 按 device_id 判在线、name 取自 devices 表
- 改名走已有 PATCH /api/devices/{device_id}(不重铸会话、不换 token、不中断 SSE)+ hub.Rename 更新活跃连接名 + 重广播 presence,全端即时无重复项;sessions 列表 name 用 devices 表覆盖 broker Label;web 改名从重铸迁到 PATCH,iOS 设置页即时改名;DeviceItem / DeviceInfo 按 device_id 键控判本机
- 移除「需移除两次」:publishPresence 不再把「有 device_id 但无 devices 行」的 live 连接当在线(吊销后用未过期 token 重连的僵尸),只显示 code-less 连接;合法重登新建行故正常
- revoke 对无 broker 会话的本地行也清(清掉合成测试 / 幽灵设备);跨端吊销 / 断连一律按 device_id Kick

iOS Broker 应用内登录(免扫码):
- BrokerLogin.swift:ASWebAuthenticationSession 跑 broker /device/authorize + /device/token 的 PKCE 设备授权流(对齐桌面 loopback,自定义 scheme cdrop://auth-callback 回调)→ /api/auth/device-session 代铸出带真名 + 稳定 device_id 的设备会话;DeviceIDStore 跨登录复用 device_id 杜绝重登重复
- LoginView 主登录改 broker 账号登录、扫码降级为可展开备选

iOS 功能补全:
- 设备间消息(引擎 main.ts 单条增量过桥 + onNativeEvent sendMessage;EngineController 消息状态 + 新 MessagesView 会话 UI;后端 /api/message 已就绪)
- 图库发送(PhotosPicker 文件 / 图库菜单 → stagePhotoData → 复用 cdrop-file 发送链路;NSPhotoLibraryUsageDescription)
- 传输历史 / 消息记录持久化(RecordsStore 落 Application Support JSON,跨重启存活)+ 长按删除 + 清空(二次确认)
- 进行中传输主动取消 / 立即切中继(详情页两按钮,复用引擎桥命令)
- 身份愈合(引擎 /api/me 取真实显示名经 identityUpdated 回报 Keychain,修扫码登录「用户显示 UUID」)
- 触发本地网络权限(NWBrowser 浏览 _cdrop._tcp)使 WKWebView WebRTC 取 host 候选

iOS 发送 / 启动修复:
- 发送在读文件即失败:引擎在 https 源下 fetch("cdrop-file://") 跨源 + Range 头触发 CORS 预检被拦 → 改走原生桥 bridgeFileSource / readFileSlice(512 KiB 分块 base64),绕开 CORS、整文件仍不整体进内存
- 冷启重开「missing injected session」:EngineWebView.makeUIView 在 boot 注入前确定性接好 auth,消除注入竞态

桌面 bug 修复:
- 登出静默失败:window.confirm 在 Wails WebView 失效(返回 falsy 致动作被静默跳过)→ 跨平台 DOM 确认弹窗(utils/confirm 的 Promise 式 confirmDialog + ui/ConfirmHost 的 Mantine Modal)取代之;登出改 await 先吊销 broker 会话再清本地(桌面 clearDesktopSession 会丢 Go 侧 refresh 的竞态)
- 扫 iOS 登录二维码被拒「不是本站的码」:wails:// 源永不等 https 站点源 → 桌面放宽 parseLinkApprovalUrl 的 origin 等值校验(仍留 /link 路径 + r/c;批准 r/c 一律发往本端后端、外站码只 404,无开放重定向)
- macOS 本地网络权限触发(localnetwork_darwin NWBrowser + Info.plist 键);相机修复(NSCameraUsageDescription)

web / 跨端:
- presence 透传 device_id + 离线检测按 device_id;会话列表随 presence 防抖重拉(已登出设备自动从列表消失,不再需手动刷新);移除设备 / 清剪贴板 / 撤销令牌 / 登出均改 DOM 确认弹窗

分发 / 签名:
- 真机签名从手动 scaffold 改自动 provisioning(删 Signing.xcconfig,project.yml 去 profile specifier,just ios-device 用 -allowProvisioningUpdates + ASC 团队 key);App Group 改名 group.net.commilitia.Commilitia-Drop(含 entitlements)
- hub 测试加 device_id 键控 + 改名解耦回归(-race)
2026-06-27 03:50:04 +08:00

860 lines
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Swift
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import Foundation
import Observation
import UIKit
import WebKit
// presence web store DeviceInfolastSeen ms epoch
// Decodable JS WKWebView bool NSNumber
// / JSONDecoder
// web hub.ts handlePresence
struct DeviceItem: Identifiable, Equatable
{
// deviceID broker meta / /
// name deviceID presence name
let deviceID: String
let name: String
let type: String
let online: Bool
let lastSeen: Double
var id: String { deviceID.isEmpty ? name : deviceID }
}
// web store MessageRecord RecordsStore
// app
struct MessageItem: Identifiable, Equatable, Codable
{
let id: String
let direction: String // incoming | outgoing
let peerName: String
let text: String
let sentAt: Double
}
// web engine/main.ts toWire ice*
// P2P TURN
struct TransferItem: Identifiable, Equatable, Codable
{
let sessionId: String
let direction: String
let fileName: String
let fileSize: Int
let state: String
let mode: String?
let peerName: String
let phase: String?
let bytesTransferred: Int?
let bytesPerSec: Double?
let iceConn: String?
let iceLocal: String?
let iceRemote: String?
var id: String { sessionId }
}
// JS web/src/net/ios.tsios/PLAN.md §2
// "cdropEngine" WKScriptMessageHandler { id, method, payload }RPC
// { notify, payload }RPC evaluateJavaScript
// window.__cdropEngineResolve(id, ok, value) window.__cdropEngineEvent
@MainActor
@Observable
final class EngineController: NSObject
{
// SwiftUI
var status: String = t("ios.engine.disconnected")
var deviceName: String = ""
// UI demo
var devices: [DeviceItem] = [] // 线 / 线 presence presence
var transfers: [TransferItem] = [] // transfers
var history: [TransferItem] = [] // transferDone 30
var messages: [MessageItem] = [] // message
// SSE / + presence +
// warn/error 401
var hubConnected = false
var hubReconnecting = false
var presenceCount = 0
var lastEngineLog = ""
// JS "ready" APNs
// didRegister ready flushPushRegistration
private var engineReady = false
// / /
var clipboardStatus = ""
var deviceActionStatus = ""
// WebRTC origin PLAN R-iOS-3线
// https CDROP_ENGINE_URL http://localhostlocalhost
// WebRTC Windows loopback
private var engineURL: URL
{
if let s = ProcessInfo.processInfo.environment["CDROP_ENGINE_URL"], let u = URL(string: s)
{
return u
}
return URL(string: "https://drop.commilitia.net/engine.html")!
}
// boot EngineWebView.makeUIView boot #11
var auth: AuthManager?
// idbroker metapresence PATCH
// /api/devices/{device_id}
var selfDeviceID: String { auth?.session?.deviceId ?? "" }
private var webView: WKWebView?
private let downloads = DownloadManager()
// id URL cdrop-file://<id>
// WKURLSchemeHandler
private var outgoing: [String: URL] = [:]
// /
private static let historyCap = 50
private static let messagesCap = 200
override init()
{
super.init()
PushRegistry.shared.engine = self
// /
history = RecordsStore.load([TransferItem].self, "history") ?? []
messages = RecordsStore.load([MessageItem].self, "messages") ?? []
}
// makeWebView WebView __CDROP_BOOT__device_type:"ios"
// cdrop-file scheme JS
func makeWebView() -> WKWebView
{
if let existing = webView { return existing }
let ucc = WKUserContentController()
ucc.add(self, name: "cdropEngine")
// boot nulldevice_type ios
// api_base /api prod URL
let debug = ProcessInfo.processInfo.environment["CDROP_DEBUG_SESSION"] == "1"
let boot = "window.__CDROP_BOOT__ = { session: \(sessionJSON()), "
+ "device_name: \(jsString(currentDeviceName())), "
+ "api_base: \(jsString(apiBaseForBoot())), device_type: \"ios\", debug: \(debug) };"
ucc.addUserScript(WKUserScript(source: boot,
injectionTime: .atDocumentStart,
forMainFrameOnly: true))
let cfg = WKWebViewConfiguration()
cfg.userContentController = ucc
cfg.setURLSchemeHandler(self, forURLScheme: "cdrop-file")
// Auth Broker refresh_tokenPOST /api/auth/refresh
// broker cdrop_session cookie URLSession cookie WebView
let wv = WKWebView(frame: .zero, configuration: cfg)
// engine.html WebView
// / handler engine.html
// bundle
var request = URLRequest(url: engineURL)
request.cachePolicy = .reloadIgnoringLocalCacheData
wv.load(request)
webView = wv
deviceName = currentDeviceName()
//
PushRegistry.shared.requestAuthorizationAndRegister()
// #5使 WKWebView WebRTC host
LocalNetworkPermission.trigger()
return wv
}
// SSE WebView UI makeWebView
// boot auth.session
func reset()
{
sendCommand("shutdown", payload: [:])
webView = nil
engineReady = false
devices = []
transfers = []
history = []
messages = []
//
RecordsStore.clear("history")
RecordsStore.clear("messages")
status = t("ios.engine.disconnected")
deviceName = ""
PushRegistry.shared.reset()
WidgetSessionStore.clear()
// L1访 + outgoing访 /
for (_, url) in outgoing { url.stopAccessingSecurityScopedResource() }
outgoing.removeAll()
// L2 id
CDropAPI.clearWidgetDeviceID()
}
// D/
func deleteTransferRecord(_ sessionId: String)
{
history.removeAll { $0.sessionId == sessionId }
RecordsStore.save(history, "history")
}
func clearHistory()
{
history.removeAll()
RecordsStore.clear("history")
}
// H/
func deleteMessage(_ id: String)
{
messages.removeAll { $0.id == id }
RecordsStore.save(messages, "messages")
}
func clearMessages()
{
messages.removeAll()
RecordsStore.clear("messages")
}
// Documents Files app /
func receivedFiles() -> [URL] { downloads.receivedFiles() }
func deleteReceivedFile(_ url: URL) { downloads.deleteReceivedFile(url) }
//
// name (1)退
func receivedFile(matching name: String) -> URL?
{
let files = downloads.receivedFiles()
if let exact = files.first(where: { $0.lastPathComponent == name }) { return exact }
let base = (name as NSString).deletingPathExtension
return files.first { $0.lastPathComponent.hasPrefix(base) }
}
// 线 /
func sendableDevices() -> [DeviceItem]
{
return devices.filter { $0.online && $0.name != deviceName }
}
// UIPasteboard
func uploadClipboard()
{
let content = UIPasteboard.general.string ?? ""
guard !content.isEmpty else { clipboardStatus = t("ios.clipboard.empty"); return }
clipboardStatus = t("ios.clipboard.uploading")
sendCommand("clipboardUpload", payload: [ "content": content ])
}
// UIPasteboard handleNotify "clipboard"
func pullClipboard()
{
clipboardStatus = t("ios.clipboard.pulling")
sendCommand("clipboardPull", payload: [:])
}
// / device_idDELETE /api/devices/{device_id}
// #2
func revokeDevice(_ deviceID: String)
{
deviceActionStatus = ""
sendCommand("revokeDevice", payload: [ "device_id": deviceID ])
}
// O CANCELLED transfers / transferDone
func cancelTransfer(_ sessionId: String)
{
sendCommand("cancelTransfer", payload: [ "sessionId": sessionId ])
}
// O ICE relay /
func switchToRelay(_ sessionId: String)
{
sendCommand("switchToRelay", payload: [ "sessionId": sessionId ])
}
// { to=, text } POST /api/message
// store.addMessage message outgoing
func sendMessage(to peerName: String, text: String)
{
let trimmed = text.trimmingCharacters(in: .whitespacesAndNewlines)
guard !trimmed.isEmpty, !peerName.isEmpty else { return }
sendCommand("sendMessage", payload: [ "to": peerName, "text": trimmed ])
}
// { device_id=, name } PATCH /api/devices/
// {device_id} token "renamed"
// + Keychain handleNotify device_id
func renameSelf(to name: String)
{
let id = selfDeviceID
let trimmed = name.trimmingCharacters(in: .whitespacesAndNewlines)
guard !id.isEmpty, !trimmed.isEmpty else { return }
sendCommand("renameSelf", payload: [ "device_id": id, "name": trimmed ])
}
// APNs PushRegistry.didRegisterready
// + /api/push/apns/register token
func flushPushRegistration()
{
guard engineReady, let token = PushRegistry.shared.deviceTokenHex else { return }
sendCommand("registerPush", payload: [ "token": token, "locale": I18n.locale ])
}
// App Group device_id +
// <> ·
func provisionWidgetSessionIfNeeded()
{
guard engineReady, WidgetSessionStore.load() == nil else { return }
let id = CDropAPI.widgetDeviceID()
let label = t("ios.control.sessionLabel", [ "name": currentDeviceName() ])
sendCommand("provisionWidgetSession", payload: [ "device_id": id, "device_name": label ])
}
// JSwindow.__cdropEngineEvent
func sendCommand(_ name: String, payload: [String: Any])
{
guard let json = jsonString(payload) else { return }
webView?.evaluateJavaScript("window.__cdropEngineEvent(\(jsString(name)), \(json));")
}
// sendFile cdrop-file://<id> +
func sendFile(to target: String, fileURL: URL)
{
let ref = stageOutgoingFile(fileURL)
var size = 0
if let attrs = try? FileManager.default.attributesOfItem(atPath: fileURL.path),
let n = attrs[.size] as? Int { size = n }
sendCommand("sendFile", payload: [
"target": target,
"url": ref,
"name": fileURL.lastPathComponent,
"size": size,
])
}
// Share Extension App Group cdrop://share
//
var pendingShareFiles: [URL] = []
// pendingShareFiles
func loadPendingShares()
{
AppGroup.pruneStale()
pendingShareFiles = AppGroup.inboxFiles()
}
// App Group move app
// 便 loadPendingShares /
// M1
func sendShares(to device: String)
{
for url in pendingShareFiles
{
if let staged = moveShareToPrivate(url) { sendFile(to: device, fileURL: staged) }
AppGroup.removeStaged(url)
}
pendingShareFiles = []
}
// app
private func moveShareToPrivate(_ url: URL) -> URL?
{
let dir = FileManager.default.temporaryDirectory
.appendingPathComponent("ShareOutbox/\(UUID().uuidString)", isDirectory: true)
try? FileManager.default.createDirectory(at: dir, withIntermediateDirectories: true)
let dest = dir.appendingPathComponent(url.lastPathComponent)
do { try FileManager.default.moveItem(at: url, to: dest); return dest }
catch { return nil }
}
// +
func dismissShares()
{
for url in pendingShareFiles { AppGroup.removeStaged(url) }
pendingShareFiles = []
}
// #14PhotosPicker PhotosPickerItem loadTransferable
// cdrop-file scheme Range
// URL temporaryDirectory nil
func stagePhotoData(_ data: Data, suggestedName: String) -> URL?
{
let dir = FileManager.default.temporaryDirectory
.appendingPathComponent("PhotoOutbox/\(UUID().uuidString)", isDirectory: true)
try? FileManager.default.createDirectory(at: dir, withIntermediateDirectories: true)
let name = suggestedName.isEmpty ? "photo.jpg" : suggestedName
let dest = dir.appendingPathComponent(name)
do { try data.write(to: dest); return dest }
catch { return nil }
}
// cdrop-file://<id> URL
// start...Access
private func stageOutgoingFile(_ url: URL) -> String
{
let id = UUID().uuidString
_ = url.startAccessingSecurityScopedResource()
outgoing[id] = url
return "cdrop-file://\(id)"
}
// [start,end) seek base64 bridgeFileSource
// url cdrop-file://<id>id stageOutgoingFile /
fileprivate func readOutgoingSlice(url: String, start: Int, end: Int) throws -> String
{
guard let id = URL(string: url)?.host, let fileURL = outgoing[id]
else
{
throw NSError(domain: "cdrop.engine", code: 404,
userInfo: [NSLocalizedDescriptionKey: "no staged file: \(url)"])
}
let handle = try FileHandle(forReadingFrom: fileURL)
defer { try? handle.close() }
try handle.seek(toOffset: UInt64(max(0, start)))
let count = max(0, end - start)
let data = (try handle.read(upToCount: count)) ?? Data()
return data.base64EncodedString()
}
}
// MARK: - JS RPC +
extension EngineController: WKScriptMessageHandler
{
func userContentController(_ uc: WKUserContentController, didReceive message: WKScriptMessage)
{
guard let body = message.body as? [String: Any] else { return }
if let id = body["id"] as? Int
{
handleRPC(id: id,
method: body["method"] as? String ?? "",
payload: body["payload"] as? [String: Any] ?? [:])
return
}
if let notify = body["notify"] as? String
{
handleNotify(notify, payload: body["payload"])
}
}
private func handleRPC(id: Int, method: String, payload: [String: Any])
{
do
{
switch method
{
case "saveDownload":
let name = payload["name"] as? String ?? "download"
let path = try downloads.saveWhole(name: name, data: decodeBase64(payload["data"]))
resolve(id: id, ok: true, value: path)
case "beginDownload":
try downloads.begin(sessionId: payload["sessionId"] as? String ?? "")
resolve(id: id, ok: true, value: nil)
case "appendDownload":
try downloads.append(sessionId: payload["sessionId"] as? String ?? "",
data: decodeBase64(payload["data"]))
resolve(id: id, ok: true, value: nil)
case "finalizeDownload":
let path = try downloads.finalize(sessionId: payload["sessionId"] as? String ?? "",
name: payload["name"] as? String ?? "download")
resolve(id: id, ok: true, value: path)
case "abortDownload":
downloads.abort(sessionId: payload["sessionId"] as? String ?? "")
resolve(id: id, ok: true, value: nil)
case "readFileSlice":
// seek [start,end) base64 bridgeFileSource
let b64 = try readOutgoingSlice(url: payload["url"] as? String ?? "",
start: Self.intOf(payload["start"]),
end: Self.intOf(payload["end"]))
resolve(id: id, ok: true, value: b64)
default:
resolve(id: id, ok: false, value: "unknown method: \(method)")
}
}
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":
// WebRTC-in-WKWebView arch A 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":
// JS NSArray`as? [[String: Any]]`
// Foundation 便 [Any]
// as? [String: Any]
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 "message":
// + + +
//
if let p = payload as? [String: Any],
let m = p["message"] as? [String: Any],
let item = Self.parseMessage(m)
{
messages.removeAll { $0.id == item.id }
messages.insert(item, at: 0)
if messages.count > Self.messagesCap
{
messages.removeLast(messages.count - Self.messagesCap)
}
RecordsStore.save(messages, "messages")
}
case "transferDone":
// sessionId
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 > Self.historyCap { history.removeLast(history.count - Self.historyCap) }
syncBackgroundTask()
RecordsStore.save(history, "history") //
}
case "sendStarted":
// transfers
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":
// 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 "identityUpdated":
// /api/me QR UUID + Keychain
// UUID#12
if let p = payload as? [String: Any], let name = p["name"] as? String, !name.isEmpty
{
auth?.updateIdentity(name: name, avatar: p["avatar"] as? String)
}
case "renamed":
// PATCH /api/devices/{device_id} + 广 presence
// Keychain 使 boot
if let p = payload as? [String: Any], let name = p["name"] as? String, !name.isEmpty
{
DeviceNameStore.value = name
auth?.updateDeviceName(name)
deviceName = name
deviceActionStatus = t("ios.settings.deviceName.success")
}
case "error":
// error /
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":
// broker refresh Keychain 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":
// App Group /
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":
// refresh / Keychain
auth?.logout()
reset()
default:
break
}
}
private func resolve(id: Int, ok: Bool, value: Any?)
{
webView?.evaluateJavaScript("window.__cdropEngineResolve(\(id), \(ok), \(jsonValue(value)));")
}
// transfers history
// BackgroundTaskManager / / 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: - schemecdrop-file
extension EngineController: WKURLSchemeHandler
{
// cdrop-file://<id> JS fetch
// PLAN §2 / R-iOS-4rangeSource `Range` seek
// 206 Partial Content jetsam Range
// 退 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)
{
// read
}
// HTTP `Range: bytes=start-end`end [lowerBound, upperBound)
// end "bytes=start-" EOF / 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: - DeviceItem
extension EngineController
{
// WKWebView NSNumber / Int / Double / Bool
//
static func parseDevice(_ d: [String: Any]) -> DeviceItem?
{
guard let name = d["name"] as? String, let type = d["type"] as? String else { return nil }
// web store DeviceInfocamelCasedeviceId / lastSeen
return DeviceItem(deviceID: d["deviceId"] as? String ?? "",
name: name,
type: type,
online: boolOf(d["online"]),
lastSeen: doubleOf(d["lastSeen"]))
}
static func parseMessage(_ m: [String: Any]) -> MessageItem?
{
guard let id = m["id"] as? String, let text = m["text"] as? String else { return nil }
return MessageItem(id: id,
direction: m["direction"] as? String ?? "incoming",
peerName: m["peerName"] as? String ?? "",
text: text,
sentAt: doubleOf(m["sentAt"]))
}
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: -
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
}
// JS JSON nil null
// JSONSerialization
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)
}
// boot JSON nullapi_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"] ?? ""
}
}