初始化

2025-10-16 09:56:36 +08:00
commit de704db577
272 changed files with 37331 additions and 0 deletions
--- a/FutureMailAPI/Helpers/JwtHelper.cs
+++ b/FutureMailAPI/Helpers/JwtHelper.cs
@@ -0,0 +1,97 @@
+using Microsoft.IdentityModel.Tokens;
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using System.Text;
+using FutureMailAPI.Models;
+
+namespace FutureMailAPI.Helpers
+{
+    public interface IJwtHelper
+    {
+        string GenerateToken(User user);
+        string GenerateToken(int userId, string username, string email);
+        ClaimsPrincipal? ValidateToken(string token);
+    }
+    
+    public class JwtHelper : IJwtHelper
+    {
+        private readonly IConfiguration _configuration;
+        
+        public JwtHelper(IConfiguration configuration)
+        {
+            _configuration = configuration;
+        }
+        
+        public string GenerateToken(User user)
+        {
+            var tokenHandler = new JwtSecurityTokenHandler();
+            var key = Encoding.ASCII.GetBytes(_configuration["Jwt:Key"]!);
+            var tokenDescriptor = new SecurityTokenDescriptor
+            {
+                Subject = new ClaimsIdentity(new[]
+                {
+                    new Claim(ClaimTypes.NameIdentifier, user.Id.ToString()),
+                    new Claim(ClaimTypes.Name, user.Username),
+                    new Claim(ClaimTypes.Email, user.Email)
+                }),
+                Expires = DateTime.UtcNow.AddDays(7),
+                Issuer = _configuration["Jwt:Issuer"],
+                Audience = _configuration["Jwt:Audience"],
+                SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature)
+            };
+            
+            var token = tokenHandler.CreateToken(tokenDescriptor);
+            return tokenHandler.WriteToken(token);
+        }
+        
+        public string GenerateToken(int userId, string username, string email)
+        {
+            var tokenHandler = new JwtSecurityTokenHandler();
+            var key = Encoding.ASCII.GetBytes(_configuration["Jwt:Key"]!);
+            var tokenDescriptor = new SecurityTokenDescriptor
+            {
+                Subject = new ClaimsIdentity(new[]
+                {
+                    new Claim(ClaimTypes.NameIdentifier, userId.ToString()),
+                    new Claim(ClaimTypes.Name, username),
+                    new Claim(ClaimTypes.Email, email)
+                }),
+                Expires = DateTime.UtcNow.AddDays(7),
+                Issuer = _configuration["Jwt:Issuer"],
+                Audience = _configuration["Jwt:Audience"],
+                SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature)
+            };
+            
+            var token = tokenHandler.CreateToken(tokenDescriptor);
+            return tokenHandler.WriteToken(token);
+        }
+        
+        public ClaimsPrincipal? ValidateToken(string token)
+        {
+            try
+            {
+                var tokenHandler = new JwtSecurityTokenHandler();
+                var key = Encoding.ASCII.GetBytes(_configuration["Jwt:Key"]!);
+                
+                var validationParameters = new TokenValidationParameters
+                {
+                    ValidateIssuerSigningKey = true,
+                    IssuerSigningKey = new SymmetricSecurityKey(key),
+                    ValidateIssuer = true,
+                    ValidIssuer = _configuration["Jwt:Issuer"],
+                    ValidateAudience = true,
+                    ValidAudience = _configuration["Jwt:Audience"],
+                    ValidateLifetime = true,
+                    ClockSkew = TimeSpan.Zero
+                };
+                
+                var principal = tokenHandler.ValidateToken(token, validationParameters, out SecurityToken validatedToken);
+                return principal;
+            }
+            catch
+            {
+                return null;
+            }
+        }
+    }
+}