Csharp 如何通过前端后端将 Angular 应用程序与 SignalR 服务器连接

我使用的是YARP构建的反向代理.这是我的配置:

  "ReverseProxy": {
    "Routes": {
      "ChatHub": {
        "ClusterId": "ChatHub",
        "Match": {
          "Path": "/api/chathub/{*any}"
        },
        "Transforms": [
          {
            "PathRemovePrefix": "/api/chathub"
          },
          {
            "RequestHeadersCopy": true
          },
          {
            "RequestHeaderOriginalHost": true
          },
          {
            "RequestHeader": "Upgrade",
            "Set": "WebSocket"
          },
          {
            "RequestHeader": "Connection",
            "Set": "Upgrade"
          },
          {
            "RequestHeaderRemove": "Cookie"
          },
          {
            "X-Forwarded": "Set",
            "For": "Append",
            "Proto": "Append",
            "Prefix": "Append",
            "HeaderPrefix": "X-Forwarded-"
          },
        ]
      }
    },
    "Clusters": {
      "ChatHub": {
        "SessionAffinity": {
          "Enabled": true,
          "Policy": "HashCookie",
          "FailurePolicy": "Redistribute",
          "AffinityKeyName": "ChatHubAffinityKey",
          "Cookie": {
            "HttpOnly": true,
            "IsEssential": true,
            "SameSite": "Strict",
            "SecurePolicy": "Always"
          }
        },
        "LoadBalancingPolicy": "PowerOfTwoChoices",
        "Destinations": {
          "ChatHub/Dest1": {
            "Address": "https://localhost:7140"
          },
          "HealthCheck": {
            "Active": {
              "Enabled": true,
              "Interval": "00:00:15",
              "Timeout": "00:00:10",
              "Policy": "ConsecutiveFailures",
              "Path": "/health"
            },
            "Passive": {
              "Enabled": true,
              "Policy": "TransportFailureRate",
              "ReactivationPeriod": "00:00:15"
            }
          }
        }
      }
    }
  }

如你所见，我在代理时删除了每个cookie.我已经编写了在配置代理的位置提取访问令牌的逻辑，如下所示:

services.AddReverseProxy()
    .LoadFromConfig(builder.Configuration.GetSection("ReverseProxy"))
    .AddTransforms(builder =>
    {
        builder.AddRequestTransform(async (ctx) =>
        {
            var accessToken = await ctx.HttpContext.GetTokenAsync("access_token");
            ctx.ProxyRequest.Headers.Add("Authorization", $"Bearer {accessToken}");
        });
    });