获取用户信息时增加了simple_token字段，存下来，token过期以后调用 /login/simple_token 重新获得新的认证token

ios/PushDeer-iOS/Podfile.lock

@@ -49,4 +49,4 @@ SPEC CHECKSUMS:
 
 PODFILE CHECKSUM: 42e3d8abd976589c1043ff9f9e864c275a490160
 
-COCOAPODS: 1.11.2
+COCOAPODS: 1.11.3

ios/PushDeer-iOS/PushDeer.xcodeproj/project.pbxproj

@@ -97,6 +97,9 @@
 		52EB90B32778DA4E0048E0ED /* Line.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52EB90B22778DA4E0048E0ED /* Line.swift */; };
 		52EED71E27C9394D0086A804 /* WXDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52EED71D27C9394D0086A804 /* WXDelegate.swift */; };
 		52EED71F27C93B960086A804 /* WXDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52EED71D27C9394D0086A804 /* WXDelegate.swift */; };
+		52EF0AFC28CE081A00C99E4F /* CommonUtils.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52EF0AFB28CE081A00C99E4F /* CommonUtils.swift */; };
+		52EF0AFD28CE081A00C99E4F /* CommonUtils.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52EF0AFB28CE081A00C99E4F /* CommonUtils.swift */; };
+		52EF0AFE28CE08EC00C99E4F /* CommonUtils.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52EF0AFB28CE081A00C99E4F /* CommonUtils.swift */; };
 		52F0243F277737470071D861 /* LoginView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52F0243E277737470071D861 /* LoginView.swift */; };
 		52F2C223277961D7006F08DC /* SettingsItemView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52F2C222277961D7006F08DC /* SettingsItemView.swift */; };
 		52F40D2F277CA05600766C24 /* MessageItemView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52F40D2E277CA05600766C24 /* MessageItemView.swift */; };
@@ -218,6 +221,7 @@
 		52EB90AF2778D67F0048E0ED /* KeyItemView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = KeyItemView.swift; sourceTree = "<group>"; };
 		52EB90B22778DA4E0048E0ED /* Line.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Line.swift; sourceTree = "<group>"; };
 		52EED71D27C9394D0086A804 /* WXDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WXDelegate.swift; sourceTree = "<group>"; };
+		52EF0AFB28CE081A00C99E4F /* CommonUtils.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CommonUtils.swift; sourceTree = "<group>"; };
 		52F0243C277733CE0071D861 /* PushDeer.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = PushDeer.entitlements; sourceTree = "<group>"; };
 		52F0243E277737470071D861 /* LoginView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoginView.swift; sourceTree = "<group>"; };
 		52F2C222277961D7006F08DC /* SettingsItemView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsItemView.swift; sourceTree = "<group>"; };
@@ -367,6 +371,7 @@
 				527872C327CE0EE800AD79AD /* Info-SelfHosted.plist */,
 				52E317DA279305BB000B8BB1 /* Localizable.strings */,
 				52E317D7279305BB000B8BB1 /* InfoPlist.strings */,
+				52EF0AFA28CE07A600C99E4F /* Tool */,
 				52450F362784822C003652D8 /* Service */,
 				52B8CF5D277DE5FF004CB680 /* Common */,
 				52450F3D27849228003652D8 /* Model */,
@@ -447,6 +452,14 @@
 			path = Common;
 			sourceTree = "<group>";
 		};
+		52EF0AFA28CE07A600C99E4F /* Tool */ = {
+			isa = PBXGroup;
+			children = (
+				52EF0AFB28CE081A00C99E4F /* CommonUtils.swift */,
+			);
+			path = Tool;
+			sourceTree = "<group>";
+		};
 		52F0243D2777370F0071D861 /* View */ = {
 			isa = PBXGroup;
 			children = (
@@ -776,6 +789,7 @@
 				5206009E27CF76BC00188431 /* PushDeerApi.swift in Sources */,
 				520600A627D0AE2300188431 /* Line.swift in Sources */,
 				5206009D27CF74C100188431 /* HttpRequest.swift in Sources */,
+				52EF0AFE28CE08EC00C99E4F /* CommonUtils.swift in Sources */,
 				520600A127CF770600188431 /* Env.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -810,6 +824,7 @@
 				52EED71E27C9394D0086A804 /* WXDelegate.swift in Sources */,
 				52EB90AE2778AFD60048E0ED /* BaseNavigationView.swift in Sources */,
 				524E99E627B3CD0F00292396 /* EndpointView.swift in Sources */,
+				52EF0AFC28CE081A00C99E4F /* CommonUtils.swift in Sources */,
 				52EB90AC2778ADF80048E0ED /* CardView.swift in Sources */,
 				52EB90B02778D67F0048E0ED /* KeyItemView.swift in Sources */,
 				52AC5C2827B7FE1D00EEB185 /* ViewExtension.swift in Sources */,
@@ -853,6 +868,7 @@
 				52FBA09427874879003308C2 /* ContentView.swift in Sources */,
 				52B8CF85277E0C12004CB680 /* Line.swift in Sources */,
 				52AC5C2927B7FE1D00EEB185 /* ViewExtension.swift in Sources */,
+				52EF0AFD28CE081A00C99E4F /* CommonUtils.swift in Sources */,
 				52450F402784923D003652D8 /* Result.swift in Sources */,
 				526A1E712791E00400BA2177 /* PushDeerData.xcdatamodeld in Sources */,
 				52450F432784943F003652D8 /* HttpRequest.swift in Sources */,

ios/PushDeer-iOS/PushDeer/Model/Result.swift

@@ -29,6 +29,7 @@ struct UserInfoContent: Codable{
   let level: Int
   let created_at: String
   let updated_at: String
+  let simple_token: String?
 }
 
 struct DeviceItem: Codable, Identifiable{
@@ -78,6 +79,12 @@ struct ResultContent: Codable{
   let result: Array<String>
 }
 
+
+struct STokenContent: Codable{
+  let stoken: String?
+}
+
+
 let dateFormatter = DateFormatter()
 
 extension KeyItem {

ios/PushDeer-iOS/PushDeer/Service/AppState.swift

@@ -125,6 +125,35 @@ class AppState: ObservableObject {
     }
   }
   
+  func loginAfter() {
+    Task {
+      // 查询 UserInfo
+      self.userInfo = try await HttpRequest.getUserInfo()
+      var stoken = self.userInfo?.simple_token
+      if isEmpty(stoken) {
+        // UserInfo 中的 stoken 为空, 就重新生成一个
+        stoken = try await HttpRequest.stokenRegen().stoken
+      }
+      if isNotEmpty(stoken) {
+        // 最后 stoken 不为空, 就保存到本地
+        self.saveSTokenToLocal(stoken: stoken)
+      }
+    }
+  }
+  
+  func saveSTokenToLocal(stoken: String?) -> Void {
+    let key = "stoken_\(self.api_endpoint)"
+    getUserDefaults().set(stoken, forKey: key)
+  }
+  func getLocalSToken() -> String? {
+    let key = "stoken_\(self.api_endpoint)"
+    return getUserDefaults().string(forKey: key)
+  }
+  func deleteLocalSToken() -> Void {
+    let key = "stoken_\(self.api_endpoint)"
+    getUserDefaults().removeObject(forKey: key)
+  }
+  
   func appleIdLogin(_ result: Result<ASAuthorization, Error>) async throws -> TokenContent {
     switch result {
     case let .success(authorization):

ios/PushDeer-iOS/PushDeer/Service/HttpRequest.swift

@@ -8,13 +8,63 @@
 import Foundation
 import Moya
 
+struct TokenAuthorizationPlugin: PluginType {
+  
+  func prepare(_ request: URLRequest, target: TargetType) -> URLRequest {
+    if
+      let url = request.url,
+      var components = URLComponents(url: url, resolvingAgainstBaseURL: true),
+      let queryItems =  components.queryItems
+    {
+      let queryItems_new = queryItems.map { item -> URLQueryItem in
+        if item.name == "token" {
+          // 把请求参数中的 token 都换成最新的
+          return URLQueryItem(name: "token", value: AppState.shared.token)
+        }
+        return item
+      }
+      components.queryItems = queryItems_new
+      var request_mutable = request
+      request_mutable.url = components.url
+      return request_mutable
+    }
+    return request
+  }
+}
+
 @MainActor
 struct HttpRequest {
   
-  static let provider = MoyaProvider<PushDeerApi>(callbackQueue: DispatchQueue.main)
+  static let provider = MoyaProvider<PushDeerApi>(callbackQueue: DispatchQueue.main, plugins: [TokenAuthorizationPlugin()])
   
   /// 统一处理接口请求, 并且封装成 Swift Concurrency 模式 (async / await)
   static func request<T: Codable>(_ targetType: PushDeerApi, resultType: T.Type) async throws -> T {
+    do {
+      return try await _request(targetType, resultType: resultType)
+    } catch {
+      if (error as NSError).code == 80403 {
+        // token 失效处理
+        let stoken = AppState.shared.getLocalSToken() // 取本地 stoken
+        if isNotEmpty(stoken) {
+          let token = try? await stokenLogin(stoken: stoken!).token // 用 stoken 登录换 token
+          if isNotEmpty(token) {
+            AppState.shared.token = token! // 更新 token
+            do {
+              return try await _request(targetType, resultType: resultType) // 用新 token 再次请求原接口
+            } catch {
+              throw error // 再次请求报错
+            }
+          }
+          AppState.shared.deleteLocalSToken() // 到这来说明 stoken 已经失效, 删掉 stoken
+        }
+        // 退出登录
+        AppState.shared.token = "" // 到这来 说明 stoken 不存在 或 已经失效, 清空 token 使其切换到登录界面
+      }
+      throw error // 抛出原请求的 error (stoken流程失败, 或者不是token失效的错误, 会到这儿来)
+    }
+  }
+  
+  static func _request<T: Codable>(_ targetType: PushDeerApi, resultType: T.Type) async throws -> T {
     return try await withCheckedThrowingContinuation { continuation in
       provider.request(targetType) { result in
         switch result {
@@ -31,7 +81,6 @@ struct HttpRequest {
             if let content = result.content, result.code == 0 {
               continuation.resume(returning: content)
             } else if result.code == 80403 {
-              AppState.shared.token = ""
               continuation.resume(throwing: NSError(domain: result.error ?? NSLocalizedString("登录过期", comment: "token失效时提示"), code: result.code, userInfo: [NSLocalizedDescriptionKey: result.error ?? NSLocalizedString("登录过期", comment: "token失效时提示")]))
             } else {
               continuation.resume(throwing: NSError(domain: result.error ?? NSLocalizedString("接口报错", comment: "接口报错时提示"), code: result.code, userInfo: [NSLocalizedDescriptionKey: result.error ?? NSLocalizedString("接口报错", comment: "接口报错时提示")]))
@@ -139,4 +188,17 @@ struct HttpRequest {
   static func rmAllMessage() async throws -> ActionContent {
     return try await request(.rmAllMessage(token: AppState.shared.token), resultType: ActionContent.self)
   }
+  
+  
+  static func stokenLogin(stoken: String) async throws -> TokenContent {
+    return try await request(.stokenLogin(stoken: stoken), resultType: TokenContent.self)
+  }
+  
+  static func stokenRegen() async throws -> STokenContent {
+    return try await request(.stokenRegen(token: AppState.shared.token), resultType: STokenContent.self)
+  }
+  
+  static func stokenRemove() async throws -> STokenContent {
+    return try await request(.stokenRemove(token: AppState.shared.token), resultType: STokenContent.self)
+  }
 }

ios/PushDeer-iOS/PushDeer/Service/PushDeerApi.swift

@@ -42,6 +42,9 @@ enum PushDeerApi {
   case rmMessage(token: String, id: Int)
   case rmAllMessage(token: String)
   
+  case stokenLogin(stoken: String)
+  case stokenRegen(token: String)
+  case stokenRemove(token: String)
 }
 
 extension PushDeerApi: TargetType {
@@ -94,6 +97,13 @@ extension PushDeerApi: TargetType {
       return "/message/remove"
     case .rmAllMessage:
       return "/message/clean"
+      
+    case .stokenLogin:
+      return "/login/simple_token"
+    case .stokenRegen:
+      return "/simple_token/regen"
+    case .stokenRemove:
+      return "/simple_token/remove"
     }
   }
   var method: Moya.Method {
@@ -145,6 +155,12 @@ extension PushDeerApi: TargetType {
     case let .rmAllMessage(token):
       return .requestParameters(parameters: ["token": token],encoding: URLEncoding.queryString)
       
+    case let .stokenLogin(stoken):
+      return .requestParameters(parameters: ["stoken": stoken],encoding: URLEncoding.queryString)
+    case let .stokenRegen(token):
+      return .requestParameters(parameters: ["token": token],encoding: URLEncoding.queryString)
+    case let .stokenRemove(token):
+      return .requestParameters(parameters: ["token": token],encoding: URLEncoding.queryString)
     }
   }
   var headers: [String: String]? {

ios/PushDeer-iOS/PushDeer/Service/WXDelegate.swift

@@ -30,6 +30,9 @@ class WXDelegate: NSObject, WXApiDelegate {
               if state == "login" {
                 AppState.shared.token = try await HttpRequest.wechatLogin(code: code).token
                 // 给 AppState 的 token 赋值后, SwiftUI 写的 ContentView 页面会监听到并自动进入主页
+                // 登录成功后的处理
+                AppState.shared.loginAfter()
+                
               } else if state == "bind" {
                 _ = try await HttpRequest.mergeUser(type: "wechat", tokenorcode: code)
                 // 合并成功, 更新数据

ios/PushDeer-iOS/PushDeer/Tool/CommonUtils.swift

@@ -0,0 +1,26 @@
+//
+//  CommonUtils.swift
+//  PushDeer
+//
+//  Created by HEXT on 2022/9/11.
+//
+
+import Foundation
+
+/// 判断一个集合 **为空**
+/// - Parameter emptiable: 一个可能为空的集合, 需要实现了 Collection 协议, 如: String / Array / Dictionary / Set / Data 等
+/// - Returns: nil 或 空 为 true
+func isEmpty<T: Collection>(_ emptiable: T?) -> Bool {
+    if emptiable == nil || emptiable!.isEmpty {
+        return true
+    } else {
+        return false
+    }
+}
+
+/// 判断一个集合 **不为空**
+/// - Parameter emptiable: 一个可能为空的集合, 需要实现了 Collection 协议, 如: String / Array / Dictionary / Set / Data 等
+/// - Returns: nil 或 空 为 false
+func isNotEmpty<T: Collection>(_ emptiable: T?) -> Bool {
+    return !isEmpty(emptiable)
+}

ios/PushDeer-iOS/PushDeer/View/LoginView.swift

@@ -41,6 +41,8 @@ struct LoginView: View {
               showLoading = true
               store.token = try await store.appleIdLogin(result).token
               // 获取成功去主页
+              // 登录成功后的处理
+              store.loginAfter()
             } catch {
               showLoading = false
               if (error as NSError).code == 1001 {

ios/PushDeer-iOS/PushDeer/View/SettingsView.swift

@@ -21,6 +21,7 @@ struct SettingsView: View {
         VStack {
           SettingsItemView(title: NSLocalizedString("登录为", comment: "") + " " + userName(), button: NSLocalizedString("退出", comment: "退出登录按钮上的文字")) {
             store.token = ""
+            store.deleteLocalSToken()
             HToast.showText(NSLocalizedString("退出", comment: "退出登录按钮上的文字"))
           }
           .padding(EdgeInsets(top: 18, leading: 20, bottom: 0, trailing: 20))
@@ -37,6 +38,7 @@ struct SettingsView: View {
             SettingsItemView(title: NSLocalizedString("API endpoint", comment: ""), button: NSLocalizedString("重置", comment: "")) {
               store.api_endpoint = ""
               store.token = ""
+              store.deleteLocalSToken()
             }
             .padding(EdgeInsets(top: 18, leading: 20, bottom: 0, trailing: 20))
           }