初始化

FutureMailAPI/Extensions/HttpContextExtensions.cs

@@ -0,0 +1,46 @@
+using FutureMailAPI.Models;
+
+namespace FutureMailAPI.Extensions
+{
+    public static class HttpContextExtensions
+    {
+        /// <summary>
+        /// 获取当前用户ID
+        /// </summary>
+        public static int? GetCurrentUserId(this HttpContext context)
+        {
+            if (context.Items.TryGetValue("UserId", out var userIdObj) && userIdObj is int userId)
+            {
+                return userId;
+            }
+            
+            return null;
+        }
+        
+        /// <summary>
+        /// 获取当前用户邮箱
+        /// </summary>
+        public static string? GetCurrentUserEmail(this HttpContext context)
+        {
+            if (context.Items.TryGetValue("UserEmail", out var userEmailObj) && userEmailObj is string userEmail)
+            {
+                return userEmail;
+            }
+            
+            return null;
+        }
+        
+        /// <summary>
+        /// 获取当前访问令牌
+        /// </summary>
+        public static OAuthAccessToken? GetCurrentAccessToken(this HttpContext context)
+        {
+            if (context.Items.TryGetValue("AccessToken", out var accessTokenObj) && accessTokenObj is OAuthAccessToken accessToken)
+            {
+                return accessToken;
+            }
+            
+            return null;
+        }
+    }
+}