init

DouyinApi.Extensions/Authorizations/Policys/JwtToken.cs

@@ -0,0 +1,45 @@
+using DouyinApi.Model.ViewModels;
+using System;
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+
+namespace DouyinApi.AuthHelper
+{
+    /// <summary>
+    /// JWTToken生成类
+    /// </summary>
+    public class JwtToken
+    {
+        /// <summary>
+        /// 获取基于JWT的Token
+        /// </summary>
+        /// <param name="claims">需要在登录的时候配置</param>
+        /// <param name="permissionRequirement">在startup中定义的参数</param>
+        /// <returns></returns>
+        public static TokenInfoViewModel BuildJwtToken(Claim[] claims, PermissionRequirement permissionRequirement)
+        {
+            var now = DateTime.Now;
+            // 实例化JwtSecurityToken
+            var jwt = new JwtSecurityToken(
+                issuer: permissionRequirement.Issuer,
+                audience: permissionRequirement.Audience,
+                claims: claims,
+                notBefore: now,
+                expires: now.Add(permissionRequirement.Expiration),
+                signingCredentials: permissionRequirement.SigningCredentials
+            );
+            // 生成 Token
+            var encodedJwt = new JwtSecurityTokenHandler().WriteToken(jwt);
+
+            //打包返回前台
+            var responseJson = new TokenInfoViewModel
+            {
+                success = true,
+                token = encodedJwt,
+                expires_in = permissionRequirement.Expiration.TotalSeconds,
+                token_type = "Bearer"
+            };
+            return responseJson;
+        }
+    }
+}