|
static private CreateCustomException ( string uri, |
||
| uri | string | |
| ex | ||
| Результат | ||
private void HandleResponseError <TResponse>(Exception exception, AsyncState <TResponse> state)
{
var webEx = exception as WebException;
if (webEx.IsWebException())
{
var errorResponse = ((HttpWebResponse)webEx.Response);
Log.Error(webEx);
Log.DebugFormat("Status Code : {0}", errorResponse.StatusCode);
Log.DebugFormat("Status Description : {0}", errorResponse.StatusDescription);
var serviceEx = new WebServiceException(errorResponse.StatusDescription)
{
StatusCode = (int)errorResponse.StatusCode,
};
try
{
using (var stream = errorResponse.GetResponseStream())
{
//Uncomment to Debug exceptions:
//var strResponse = new StreamReader(stream).ReadToEnd();
//Console.WriteLine("Response: " + strResponse);
//stream.Position = 0;
serviceEx.ResponseBody = stream.ReadFully().FromUtf8Bytes();
stream.ResetStream();
serviceEx.ResponseDto = this.StreamDeserializer(typeof(TResponse), stream);
state.HandleError((TResponse)serviceEx.ResponseDto, serviceEx);
}
}
catch (Exception innerEx)
{
// Oh, well, we tried
Log.Debug(string.Format("WebException Reading Response Error: {0}", innerEx.Message), innerEx);
state.HandleError(default(TResponse), new WebServiceException(errorResponse.StatusDescription, innerEx)
{
StatusCode = (int)errorResponse.StatusCode,
});
}
return;
}
var authEx = exception as AuthenticationException;
if (authEx != null)
{
var customEx = WebRequestUtils.CreateCustomException(state.Url, authEx);
Log.Debug(string.Format("AuthenticationException: {0}", customEx.Message), customEx);
state.HandleError(default(TResponse), authEx);
}
Log.Debug(string.Format("Exception Reading Response Error: {0}", exception.Message), exception);
state.HandleError(default(TResponse), exception);
CancelAsyncFn = null;
}
public void ThrowWebServiceException <TResponse>(Exception ex, string requestUri)
{
var webEx = ex as WebException;
if (webEx != null && webEx.Response != null
#if !(SL5 || PCL)
&& webEx.Status == WebExceptionStatus.ProtocolError
#endif
)
{
var errorResponse = ((HttpWebResponse)webEx.Response);
log.Error(webEx);
log.DebugFormat("Status Code : {0}", errorResponse.StatusCode);
log.DebugFormat("Status Description : {0}", errorResponse.StatusDescription);
var serviceEx = new WebServiceException(errorResponse.StatusDescription)
{
StatusCode = (int)errorResponse.StatusCode,
StatusDescription = errorResponse.StatusDescription,
};
try
{
if (errorResponse.ContentType.MatchesContentType(ContentType))
{
var bytes = errorResponse.GetResponseStream().ReadFully();
using (__requestAccess())
using (var stream = new MemoryStream(bytes))
{
serviceEx.ResponseBody = bytes.FromUtf8Bytes();
serviceEx.ResponseDto = DeserializeFromStream <TResponse>(stream);
}
}
else
{
serviceEx.ResponseBody = errorResponse.GetResponseStream().ToUtf8String();
}
}
catch (Exception innerEx)
{
// Oh, well, we tried
throw new WebServiceException(errorResponse.StatusDescription, innerEx)
{
StatusCode = (int)errorResponse.StatusCode,
StatusDescription = errorResponse.StatusDescription,
ResponseBody = serviceEx.ResponseBody
};
}
//Escape deserialize exception handling and throw here
throw serviceEx;
}
var authEx = ex as AuthenticationException;
if (authEx != null)
{
throw WebRequestUtils.CreateCustomException(requestUri, authEx);
}
}
private void SendRequest(string httpMethod, string requestUri, object request, Action <WebRequest> callback)
{
if (httpMethod == null)
{
throw new ArgumentNullException("httpMethod");
}
var client = (HttpWebRequest)WebRequest.Create(requestUri);
try
{
client.Accept = ContentType;
client.Method = httpMethod;
if (this.credentials != null)
{
client.Credentials = this.credentials;
}
if (this.AlwaysSendBasicAuthHeader)
{
client.AddBasicAuth(this.UserName, this.Password);
}
if (StoreCookies)
{
client.CookieContainer = CookieContainer;
}
if (this.RequestFilter != null)
{
RequestFilter(client);
}
if (GlobalRequestFilter != null)
{
GlobalRequestFilter(client);
}
if (httpMethod != HttpMethods.Get &&
httpMethod != HttpMethods.Delete)
{
client.ContentType = ContentType;
client.BeginGetRequestStream(delegate(IAsyncResult target)
{
var webReq = (HttpWebRequest)target.AsyncState;
var requestStream = webReq.EndGetRequestStream(target);
SerializeToStream(null, request, requestStream);
callback(client);
}, null);
}
}
catch (AuthenticationException ex)
{
throw WebRequestUtils.CreateCustomException(requestUri, ex) ?? ex;
}
}
private void HandleResponseError <TResponse>(Exception exception, AsyncState <TResponse> state)
{
var webEx = exception as WebException;
if (PclExportClient.Instance.IsWebException(webEx))
{
var errorResponse = (HttpWebResponse)webEx.Response;
Log.Error(webEx);
if (Log.IsDebugEnabled)
{
Log.DebugFormat("Status Code : {0}", errorResponse.StatusCode);
Log.DebugFormat("Status Description : {0}", errorResponse.StatusDescription);
}
var serviceEx = new WebServiceException(errorResponse.StatusDescription)
{
StatusCode = (int)errorResponse.StatusCode,
StatusDescription = errorResponse.StatusDescription,
ResponseHeaders = errorResponse.Headers
};
try
{
using (var stream = errorResponse.GetResponseStream())
{
var bytes = stream.ReadFully();
serviceEx.ResponseBody = bytes.FromUtf8Bytes();
var errorResponseType = WebRequestUtils.GetErrorResponseDtoType <TResponse>(state.Request);
if (stream.CanSeek)
{
PclExport.Instance.ResetStream(stream);
serviceEx.ResponseDto = this.StreamDeserializer(errorResponseType, stream);
}
else //Android
{
using (var ms = MemoryStreamFactory.GetStream(bytes))
{
serviceEx.ResponseDto = this.StreamDeserializer(errorResponseType, ms);
}
}
state.HandleError(serviceEx.ResponseDto, serviceEx);
}
}
catch (Exception innerEx)
{
// Oh, well, we tried
Log.Debug(string.Format("WebException Reading Response Error: {0}", innerEx.Message), innerEx);
state.HandleError(default(TResponse), new WebServiceException(errorResponse.StatusDescription, innerEx)
{
StatusCode = (int)errorResponse.StatusCode,
StatusDescription = errorResponse.StatusDescription,
ResponseHeaders = errorResponse.Headers
});
}
return;
}
var authEx = exception as AuthenticationException;
if (authEx != null)
{
var customEx = WebRequestUtils.CreateCustomException(state.Url, authEx);
Log.Debug(string.Format("AuthenticationException: {0}", customEx.Message), customEx);
state.HandleError(default(TResponse), authEx);
}
Log.Debug(string.Format("Exception Reading Response Error: {0}", exception.Message), exception);
state.HandleError(default(TResponse), exception);
CancelAsyncFn = null;
}
private WebRequest PrepareWebRequest(string httpMethod, string requestUri, object request, Action <HttpWebRequest> sendRequestAction)
{
if (httpMethod == null)
{
throw new ArgumentNullException("httpMethod");
}
var httpMethodGetOrHead = httpMethod == HttpMethods.Get || httpMethod == HttpMethods.Head;
if (httpMethodGetOrHead && request != null)
{
var queryString = QueryStringSerializer.SerializeToString(request);
if (!string.IsNullOrEmpty(queryString))
{
requestUri += "?" + queryString;
}
}
var client = (HttpWebRequest)WebRequest.Create(requestUri);
try
{
client.MaximumResponseHeadersLength = int.MaxValue; //throws "The message length limit was exceeded" exception
client.Accept = Accept;
client.Method = httpMethod;
client.Headers.Add(Headers);
if (Proxy != null)
{
client.Proxy = Proxy;
}
if (this.Timeout.HasValue)
{
client.Timeout = (int)this.Timeout.Value.TotalMilliseconds;
}
if (this.ReadWriteTimeout.HasValue)
{
client.ReadWriteTimeout = (int)this.ReadWriteTimeout.Value.TotalMilliseconds;
}
if (this.credentials != null)
{
client.Credentials = this.credentials;
}
if (null != this.authInfo)
{
client.AddAuthInfo(this.UserName, this.Password, authInfo);
}
else
{
if (this.AlwaysSendBasicAuthHeader)
{
client.AddBasicAuth(this.UserName, this.Password);
}
}
if (!DisableAutoCompression)
{
client.Headers.Add(HttpRequestHeader.AcceptEncoding, "gzip,deflate");
client.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
}
if (StoreCookies)
{
client.CookieContainer = CookieContainer;
}
client.AllowAutoRedirect = AllowAutoRedirect;
ApplyWebRequestFilters(client);
if (httpMethod != HttpMethods.Get &&
httpMethod != HttpMethods.Delete &&
httpMethod != HttpMethods.Head)
{
client.ContentType = ContentType;
if (sendRequestAction != null)
{
sendRequestAction(client);
}
}
}
catch (AuthenticationException ex)
{
throw WebRequestUtils.CreateCustomException(requestUri, ex) ?? ex;
}
return(client);
}
private Exception HandleResponseError <TResponse>(Exception exception, string url, object request)
{
var webEx = exception as WebException;
if (PclExportClient.Instance.IsWebException(webEx))
{
var errorResponse = (HttpWebResponse)webEx.Response;
Log.Error(webEx);
if (Log.IsDebugEnabled)
{
Log.Debug($"Status Code : {errorResponse.StatusCode}");
Log.Debug($"Status Description : {errorResponse.StatusDescription}");
}
var serviceEx = new WebServiceException(errorResponse.StatusDescription)
{
StatusCode = (int)errorResponse.StatusCode,
StatusDescription = errorResponse.StatusDescription,
ResponseHeaders = errorResponse.Headers
};
try
{
using var stream = errorResponse.ResponseStream();
var bytes = stream.ReadFully();
serviceEx.ResponseBody = bytes.FromUtf8Bytes();
var errorResponseType = WebRequestUtils.GetErrorResponseDtoType <TResponse>(request);
if (stream.CanSeek)
{
PclExport.Instance.ResetStream(stream);
serviceEx.ResponseDto = this.StreamDeserializer(errorResponseType, stream);
}
else //Android
{
using var ms = MemoryStreamFactory.GetStream(bytes);
serviceEx.ResponseDto = this.StreamDeserializer(errorResponseType, ms);
}
return(serviceEx);
}
catch (Exception innerEx)
{
// Oh, well, we tried
Log.Debug($"WebException Reading Response Error: {innerEx.Message}", innerEx);
return(new WebServiceException(errorResponse.StatusDescription, innerEx)
{
StatusCode = (int)errorResponse.StatusCode,
StatusDescription = errorResponse.StatusDescription,
ResponseHeaders = errorResponse.Headers
});
}
}
if (exception is AuthenticationException authEx)
{
var customEx = WebRequestUtils.CreateCustomException(url, authEx);
Log.Debug($"AuthenticationException: {customEx.Message}", customEx);
return(authEx);
}
Log.Debug($"Exception Reading Response Error: {exception.Message}", exception);
return(exception);
}
private WebRequest PrepareWebRequest(string httpMethod, string requestUri, object request, Action <HttpWebRequest> sendRequestAction)
{
if (httpMethod == null)
{
throw new ArgumentNullException("httpMethod");
}
var httpMethodGetOrHead = httpMethod == HttpMethods.Get || httpMethod == HttpMethods.Head;
if (httpMethodGetOrHead && request != null)
{
var queryString = QueryStringSerializer.SerializeToString(request);
if (!string.IsNullOrEmpty(queryString))
{
requestUri += "?" + queryString;
}
}
var client = (HttpWebRequest)WebRequest.Create(requestUri);
try
{
client.Accept = Accept;
client.Method = httpMethod;
PclExportClient.Instance.AddHeader(client, Headers);
#if !SL5
if (Proxy != null)
{
client.Proxy = Proxy;
}
#endif
PclExport.Instance.Config(client,
allowAutoRedirect: AllowAutoRedirect,
timeout: this.Timeout,
readWriteTimeout: ReadWriteTimeout,
userAgent: UserAgent);
if (this.credentials != null)
{
client.Credentials = this.credentials;
}
if (null != this.authInfo)
{
client.AddAuthInfo(this.UserName, this.Password, authInfo);
}
else
{
if (this.AlwaysSendBasicAuthHeader)
{
client.AddBasicAuth(this.UserName, this.Password);
}
}
if (!DisableAutoCompression)
{
PclExport.Instance.AddCompression(client);
}
if (StoreCookies)
{
PclExportClient.Instance.SetCookieContainer(client, this);
}
ApplyWebRequestFilters(client);
if (httpMethod != HttpMethods.Get &&
httpMethod != HttpMethods.Delete &&
httpMethod != HttpMethods.Head)
{
client.ContentType = ContentType;
if (sendRequestAction != null)
{
sendRequestAction(client);
}
}
}
catch (AuthenticationException ex)
{
throw WebRequestUtils.CreateCustomException(requestUri, ex) ?? ex;
}
return(client);
}
