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funkysi1701/SSLTest.cs

Created March 3, 2020 21:31
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  1. funkysi1701 created this gist Mar 3, 2020.
    22 changes: 22 additions & 0 deletions SSLTest.cs
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,22 @@
    [Fact]
    public void IsSSLExpiring()
    {
    var handler = new HttpClientHandler
    {
    ServerCertificateCustomValidationCallback = CustomCallback
    };
    var client = new HttpClient(handler);

    HttpResponseMessage response = client.GetAsync("https://www.example.com").GetAwaiter().GetResult();
    Assert.True(response.IsSuccessStatusCode);
    }

    private bool CustomCallback(HttpRequestMessage arg1, X509Certificate2 arg2, X509Chain arg3, SslPolicyErrors arg4)
    {
    var now = DateTime.UtcNow;
    var expire = arg2.NotAfter;
    var diff = (expire - now).TotalDays;

    Assert.InRange(diff, 30, 1000);
    return arg4 == SslPolicyErrors.None;
    }