131 lines
5.1 KiB
Swift
131 lines
5.1 KiB
Swift
//
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// WeChatManager.swift
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// ylgamehall
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//
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// 微信 SDK 持久 delegate + authorize 异步包装。
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// 把 WXApiDelegate 的 onResp 回调 → async/await，state UUID 配对多发起方。
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//
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// 注：分享路径已改走剪贴板 + 引导框（详见 WechatShare.swift），不再依赖
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// 微信 SDK 的 SendMessageToWXReq；本类只剩登录 OAuth 链路。
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//
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import Foundation
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import UIKit
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// 微信 SDK 1.8.2（与 daoqi msext 同款）通过 Bridging Header 导入，无需 import 语句
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@MainActor
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public final class WeChatManager: NSObject {
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public static let shared = WeChatManager()
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/// 授权 scope（沿用 msext SGDefineInfo.h:104）
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public static let authScope = "snsapi_message,snsapi_userinfo,snsapi_friend,snsapi_contact"
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/// 待 resolve 的 authorize continuation（state UUID 配对）
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private var authPending: [String: CheckedContinuation<WXAuthCodePayload, Error>] = [:]
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public override init() {
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super.init()
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}
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// MARK: - Authorize
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/// 拉起微信授权（msext NewRootVC.m → WXApiRequestHandler.m 同款路径）。
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/// 必须用新版 SDK 2.x 的 `sendAuthReq:viewController:delegate:completion:`：
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/// - viewController = SDK 拉起微信回来时的 present 上下文（缺失则 SDK 无法弹起）
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/// - delegate = SDK 弱引用，授权完成由 WXApiDelegate.onResp 回调（与 SceneDelegate
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/// openURL 路径解耦，授权回包独立由 SDK 直接派给 delegate）
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/// 旧版 1.x 的 `WXApi.send(req)` 已 deprecated，不传 vc/delegate 会导致 H5 调了无反应。
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public func authorize() async throws -> WXAuthCodePayload {
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let state = UUID().uuidString
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return try await withCheckedThrowingContinuation { cont in
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authPending[state] = cont
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let req = SendAuthReq()
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req.scope = Self.authScope
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req.state = state
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guard let vc = Self.topmostViewController() else {
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authPending.removeValue(forKey: state)
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cont.resume(throwing: WeChatError.authFailed(-3))
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return
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}
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// 1.x 的 sendAuthReq 返回 BOOL（同步知道是否成功拉起），无 completion
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let success = WXApi.sendAuthReq(req, viewController: vc, delegate: self)
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if !success {
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if let pending = authPending.removeValue(forKey: state) {
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pending.resume(throwing: WeChatError.authFailed(-3))
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}
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}
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// success=true 时等 WXApiDelegate.onResp 触发（SceneDelegate openURL 链路）
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}
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}
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/// 取当前最顶层 ViewController（含 presented / nav.visible），供微信 SDK 作为
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/// modal present 的上下文。msext 直接 self（gameController/NewRootVC），新外壳
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/// AccreditLoginHandler 是 stateless enum，由本方法 resolve。
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private static func topmostViewController() -> UIViewController? {
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let windowScene = UIApplication.shared.connectedScenes
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.compactMap { $0 as? UIWindowScene }
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.first(where: { $0.activationState == .foregroundActive })
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?? UIApplication.shared.connectedScenes.compactMap { $0 as? UIWindowScene }.first
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guard let root = windowScene?.windows.first(where: \.isKeyWindow)?.rootViewController
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?? windowScene?.windows.first?.rootViewController else {
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return nil
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}
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var top: UIViewController = root
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while let presented = top.presentedViewController {
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top = presented
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}
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if let nav = top as? UINavigationController, let visible = nav.visibleViewController {
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return visible
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}
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return top
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}
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// MARK: - Internal: resolve callbacks
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fileprivate func resolveAuth(state: String, code: String?, errCode: Int) {
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guard let cont = authPending.removeValue(forKey: state) else { return }
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if errCode == 0, let code {
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cont.resume(returning: WXAuthCodePayload(code: code, state: state))
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} else {
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cont.resume(throwing: WeChatError.authFailed(errCode))
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}
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}
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}
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// MARK: - WXApiDelegate
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extension WeChatManager: WXApiDelegate {
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public nonisolated func onReq(_ req: BaseReq) {
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// 我们当前只发起请求，不接受外部 req（微信 → 本 App 的 req 用于公众号回复等场景）
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}
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public nonisolated func onResp(_ resp: BaseResp) {
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// 主线程化：BaseResp 由 SDK 在主线程派发，但保留 MainActor.run 兜底
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let errCode = Int(resp.errCode)
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if let auth = resp as? SendAuthResp {
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let code = auth.code
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let state = auth.state ?? ""
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Task { @MainActor in
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Self.shared.resolveAuth(state: state, code: code, errCode: errCode)
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}
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}
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// 分享走剪贴板路径（WechatShare），不再有 SendMessageToWXResp 回包
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}
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}
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// MARK: - Public payload / error types
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public struct WXAuthCodePayload: Sendable {
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public let code: String
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public let state: String
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}
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public enum WeChatError: Error, Sendable {
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case sdkNotLinked
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case authFailed(Int)
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}
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