private void CommonOperationUpload(WebClientExtended client)
{
CommonOperation(client);
client.UploadProgressChanged += (sender, args) =>
{
ProgressUpdate(args.ProgressPercentage, args.BytesReceived, args.TotalBytesToReceive, args.BytesSent, args.TotalBytesToSend);
};
}
private Task <string> DownloadStringTaskAsync()
{
Task <string> task;
using (var client = new WebClientExtended())
{
CommonOperationDownload(client);
task = client.DownloadStringTaskAsync(RemoteAddress);
}
return(task);
}
private Task DownloadFileTaskAsync()
{
Task task;
using (var client = new WebClientExtended())
{
CommonOperationDownload(client);
task = client.DownloadFileTaskAsync(RemoteAddress, LocalAddress);
}
return(task);
}
private void CommonOperation(WebClientExtended client)
{
if (Proxy)
{
client.Proxy = new WebProxy();
}
if (Credentials != null)
{
client.Credentials = Credentials;
}
if (_timeoutModified)
{
client.Timeout = Timeout;
}
if (!string.IsNullOrWhiteSpace(WebHeaderAccept))
{
client.Headers["Accept"] = WebHeaderAccept;
}
}
public void Download()
{
using (var client = new WebClientExtended())
{
client.BaseAddress = BaseAddress;
client.QueryString.Clear();
client.QueryString = QueryString;
client.Encoding = Encoding;
// set user agent
if (!string.IsNullOrWhiteSpace(UserAgent))
{
client.Headers["User-Agent"] = UserAgent;
// Create web client simulating IE6.
//x client.Headers["User-Agent"] = "Mozilla/4.0 (Compatible; Windows NT 5.1; MSIE 6.0)" + " (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";
//x client.Headers["User-Agent"] = "Googlebot/2.1 (+http://www.googlebot.com/bot.html)";
}
// accept-encoding headers
if (GZip)
{
client.Headers["Accept-Encoding"] = "gzip";
}
client.Timeout = Timeout;
try
{
// header
if (CheckHead || DownloadType == WwwClientDownloadType.Head)
{
client.IsHeadOnly = true;
ContentByte = new Collection <byte>(new Collection <byte>(client.DownloadData(client.BaseAddress)));
client.IsHeadOnly = false;
if (DownloadType != WwwClientDownloadType.Head &&
client.ResponseHeaders["content-type"].StartsWith(@"text/", StringComparison.Ordinal))
{
DownloadType = WwwClientDownloadType.String;
}
}
// check for text/html
switch (DownloadType)
{
case WwwClientDownloadType.Data:
ContentByte = new Collection <byte>(new Collection <byte>(client.DownloadData(client.BaseAddress)));
break;
case WwwClientDownloadType.String:
ContentString = client.DownloadString(client.BaseAddress);
break;
case WwwClientDownloadType.File:
client.DownloadFile(client.BaseAddress, ContentPath);
break;
case WwwClientDownloadType.Head:
// already received the data as header
break;
}
// Get response header.
ContentEncoding = client.ResponseHeaders["Content-Encoding"];
// Get content type
ContentType = client.ResponseHeaders["content-type"];
}
catch (WebException ex)
{
if (ex.Response != null)
{
var response = (HttpWebResponse)ex.Response;
HttpStatusCode statusCode = response.StatusCode;
switch (statusCode)
{
case HttpStatusCode.OK:
case HttpStatusCode.Accepted:
case HttpStatusCode.Created:
case HttpStatusCode.NoContent:
case HttpStatusCode.NotFound:
case HttpStatusCode.Unauthorized:
case HttpStatusCode.Forbidden:
case HttpStatusCode.PreconditionFailed:
case HttpStatusCode.ServiceUnavailable:
case HttpStatusCode.InternalServerError:
throw new WebException();
}
}
throw new WebException();
}
}
}
