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fix(http): improve transport compatibility and diagnostics

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This commit is contained in:
SugarChes
2026-07-30 12:30:41 +08:00
parent b9a3dd3b86
commit 517d001eb8
1 changed files with 103 additions and 6 deletions
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插件库/Lskj.Util/HttpHelper.cs
+103 -6
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@@ -12,6 +12,9 @@ namespace Lskj.Util
{
public static class HttpHelper
{
private const int RequestTimeout = 120000;
private const int Tls12 = 3072;
public enum Encode
{
Default = 0,
@@ -28,6 +31,76 @@ namespace Lskj.Util
UserAgent = userAgent;
EncodeMode = encode;
}
private static void ConfigureTransport()
{
try
{
ServicePointManager.SecurityProtocol |= (SecurityProtocolType)Tls12;
ServicePointManager.Expect100Continue = false;
if (ServicePointManager.DefaultConnectionLimit < 20)
{
ServicePointManager.DefaultConnectionLimit = 20;
}
}
catch
{
}
}
private static void ConfigureRequest(HttpWebRequest request)
{
request.Timeout = RequestTimeout;
request.ReadWriteTimeout = RequestTimeout;
request.KeepAlive = false;
request.ServicePoint.Expect100Continue = false;
request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
}
private static string BuildExceptionMessage(Exception ex)
{
StringBuilder builder = new StringBuilder();
builder.Append(ex.Message);
if (ex.InnerException != null)
{
builder.AppendFormat("; Inner={0}", ex.InnerException.Message);
}
return builder.ToString();
}
private static string BuildWebExceptionMessage(WebException ex)
{
StringBuilder builder = new StringBuilder();
builder.Append(BuildExceptionMessage(ex));
builder.AppendFormat("; Status={0}", ex.Status);
HttpWebResponse response = ex.Response as HttpWebResponse;
if (response != null)
{
builder.AppendFormat("; HttpStatus={0} {1}", (int)response.StatusCode, response.StatusDescription);
try
{
Stream responseStream = response.GetResponseStream();
if (responseStream != null)
{
using (StreamReader streamReader = new StreamReader(responseStream, Encoding.UTF8))
{
string responseText = streamReader.ReadToEnd();
if (!string.IsNullOrEmpty(responseText))
{
builder.AppendFormat("; Response={0}", responseText);
}
}
}
}
catch
{
}
}
return builder.ToString();
}
/// <summary>
/// post数据到指定的网址，获取cookie数据，和返回页
/// </summary>
@@ -37,7 +110,9 @@ namespace Lskj.Util
try
{
HttpWebRequest httpWebRequest;
ConfigureTransport();
httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url);
ConfigureRequest(httpWebRequest);
httpWebRequest.ContentType = ContentType;
httpWebRequest.Accept = Accept;
@@ -105,10 +180,16 @@ namespace Lskj.Util
return httpWebResponse;
}
catch (WebException ex)
{
Console.WriteLine(ex.ToString());
result = BuildWebExceptionMessage(ex);
return httpWebResponse;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
result = ex.Message;
Console.WriteLine(ex.ToString());
result = BuildExceptionMessage(ex);
return httpWebResponse;
}
}
@@ -134,7 +215,9 @@ namespace Lskj.Util
}
}
HttpWebRequest httpWebRequest;
ConfigureTransport();
httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(builder.ToString());
ConfigureRequest(httpWebRequest);
httpWebRequest.ContentType = ContentType;
//httpWebRequest.Referer = url;
httpWebRequest.Accept = Accept;
@@ -163,10 +246,16 @@ namespace Lskj.Util
return httpWebResponse;
}
catch (WebException ex)
{
Console.WriteLine(ex.ToString());
result = BuildWebExceptionMessage(ex);
return httpWebResponse;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
result = ex.Message;
Console.WriteLine(ex.ToString());
result = BuildExceptionMessage(ex);
return httpWebResponse;
}
}
@@ -186,7 +275,9 @@ namespace Lskj.Util
{
string boundary = "----WebKitFormBoundary" + DateTime.Now.Ticks.ToString("x");
ConfigureTransport();
HttpWebRequest httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url);
ConfigureRequest(httpWebRequest);
httpWebRequest.Method = "POST";
httpWebRequest.Accept = Accept;
httpWebRequest.UserAgent = UserAgent;
@@ -231,10 +322,16 @@ namespace Lskj.Util
return httpWebResponse;
}
catch (WebException ex)
{
Console.WriteLine(ex.ToString());
result = BuildWebExceptionMessage(ex);
return httpWebResponse;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
result = ex.Message;
Console.WriteLine(ex.ToString());
result = BuildExceptionMessage(ex);
return httpWebResponse;
}
}