fix offline token

Src/Dlhis.Middle/Controllers/OAuth2Controller.cs

@@ -1,5 +1,6 @@
 using System.Text;
 using Dlhis.Middle.Request;
+using Dlhis.Middle.Services;
 using Microsoft.AspNetCore.Mvc;
 using Newtonsoft.Json.Linq;
 
@@ -14,11 +15,13 @@ public class OAuth2Controller : ControllerBase
 {
     private readonly IHttpClientFactory _httpClientFactory;
     private readonly IConfiguration _configuration;
+    private readonly IHealthCheckService _healthCheckService;
 
-    public OAuth2Controller(IHttpClientFactory httpClientFactory, IConfiguration configuration)
+    public OAuth2Controller(IHttpClientFactory httpClientFactory, IConfiguration configuration, IHealthCheckService healthCheckService)
     {
         _httpClientFactory = httpClientFactory;
         _configuration = configuration;
+        _healthCheckService = healthCheckService;
     }
 
     [HttpPost("clientgrant")]
@@ -27,14 +30,7 @@ public class OAuth2Controller : ControllerBase
         var authority = _configuration.GetSection("Authority").Value;
         var httpClient = _httpClientFactory.CreateClient("face");
 
-        try
-        {
-            var content = new StringContent($"grant_type=client_credentials&client_id={request.ClientId}&client_secret={request.ClientSecret}&scope={request.Scope}", Encoding.UTF8, "application/x-www-form-urlencoded");
-            var response = await httpClient.PostAsync($"{authority}/oauth2/connect/token", content);
-            var result = await response.Content.ReadAsStringAsync();
-            return JObject.Parse(result);
-        }
-        catch (Exception e)
+        if (_healthCheckService.GetIsOffline())
         {
             return new
             {
@@ -44,5 +40,10 @@ public class OAuth2Controller : ControllerBase
                 scope = "yikatong"
             };
         }
+
+        var content = new StringContent($"grant_type=client_credentials&client_id={request.ClientId}&client_secret={request.ClientSecret}&scope={request.Scope}", Encoding.UTF8, "application/x-www-form-urlencoded");
+        var response = await httpClient.PostAsync($"{authority}/oauth2/connect/token", content);
+        var result = await response.Content.ReadAsStringAsync();
+        return JObject.Parse(result);
     }
 }