Question

使用.NET Core和C＃我尝试向我的Vizio TV发出HTTPS请求时，API有点记录here。

在Chrome中访问HTTP服务器时，我收到了一个＆＃34; NET :: ERR_CERT_AUTHORITY_INVALID＆＃34;错误。当我使用HttpClient在C＃中发出请求时，会抛出HttpRequestException。我曾尝试将证书添加到Windows，但我对TLS不够熟悉。

我也不关心我的通信被窥探，所以我想忽略任何HTTPS错误。

这是我正在使用的相关代码。

public async Task Pair(string deviceName) {
    using (var httpClient = new HttpClient())
    try {
        httpClient.BaseAddress = new Uri($"https://{televisionIPAddress}:9000/");

        // Assume all certificates are valid?
        ServicePointManager.ServerCertificateValidationCallback =
            (sender, certificate, chain, sslPolicyErrors) => true;

        deviceID = Guid.NewGuid().ToString();

        var startPairingRequest = new HttpRequestMessage(HttpMethod.Put, "/pairing/start");
        startPairingRequest.Content = CreateStringContent(new PairingStartRequestBody {
            DeviceID = deviceID,
            DeviceName = deviceName
        });

        var startPairingResponse = await httpClient.SendAsync(startPairingRequest); // HttpRequestException thrown here
        Console.WriteLine(startPairingResponse);
    } catch (HttpRequestException e) {
        Console.WriteLine(e.InnerException.Message); // prints "A security error occurred"
    }
}

StringContent CreateStringContent(object obj) {
    return new StringContent(JsonConvert.SerializeObject(obj), Encoding.UTF8, "application/json");
}

Answer 1

通过设置HttpClientHandler并将ServerCertificateCustomValidationCallback设置为返回true来解决此问题。

using (var handler = new HttpClientHandler {
    ServerCertificateCustomValidationCallback = (sender, certificate, chain, sslPolicyErrors) => true
})
using (var httpClient = new HttpClient(handler))

Answer 2

在这里参加聚会为时已晚，但是如果您正在寻找.net核心解决方案，请尝试以下代码

using (var handler = new HttpClientHandler { ServerCertificateCustomValidationCallback = (sender, certificate, chain, sslPolicyErrors) => true })
        {
            using (var httpClient = new HttpClient(handler))
            {
                //your business logic goes here
            }
        }

.NET Core HttpClient - ＆＃34;发生安全错误＆＃34; HttpRequestException

2 个答案: