public static string GetDocText(this string url, int?Timeout)
{
string html = string.Empty;
try
{
using (ConfigurableWebClient client = new ConfigurableWebClient())
{
/* Set timeout for webclient */
client.Timeout = Timeout;
/* Build url */
Uri innUri = null;
//if (!url.StartsWith("https://"))
// url = "https://" + url;
//if (url.StartsWith("http://"))
// url = "http://" + url;
Uri.TryCreate(url, UriKind.RelativeOrAbsolute, out innUri);
try
{
client.Headers.Add("User-Agent", "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR " + "3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.2; AskTbFXTV5/5.15.4.23821; BRI/2)");
client.Headers.Add("Vary", "Accept-Encoding");
client.Encoding = Encoding.UTF8;
html = client.DownloadString(innUri);
if (html.Contains("Pagina non disponibile"))
{
string str = "site blocked";
str = "";
}
if (string.IsNullOrEmpty(html))
{
return(string.Empty);
}
else
{
return(html);
}
}
catch (Exception ex)
{
return("");
}
finally
{
client.Dispose();
}
}
}
catch (Exception ex)
{
return("");
}
}
protected virtual IResult DownloadFileAsync(FileInfoWrapper info)
{
try
{
using (var client = new ConfigurableWebClient { KeepAlive = false })
{
var targetPath = PathUtilities.DownloadFolder;
if (!Directory.Exists(targetPath))
return new DirectoryNotFound { Target = targetPath };
var uri = GetDownloadUri(info);
if (uri == null)
return new CouldNotDownloadFile
{
Issue = "Could not determine host target",
Target = info.FileName
};
client.Credentials = GetDownloadCredentials(uri);
client.DownloadFileCompleted += DownloadCompletedHandler;
client.DownloadProgressChanged += DownloadProgressHandler;
_completed = false;
if (string.IsNullOrWhiteSpace(info.FileName))
return new CouldNotDownloadFile
{
Issue = "Could not determine local target",
Target = info.FileName
};
if (string.IsNullOrWhiteSpace(DisplayName))
DisplayName = info.FileName;
targetPath = Path.Combine(targetPath, info.FileName);
var resultWrapper = new DownloadInfoWrapper
{
DisplayName = DisplayName,
Result = new NextResult(),
StartTime = DateTime.UtcNow
};
client.Headers.Add(HttpRequestHeader.UserAgent,
string.Format("{0} {1}",
Application.Current.GetProductName(),
Application.Current.GetVersion()));
InterveneIfConnectionLost();
client.DownloadFileAsync(uri, targetPath, resultWrapper);
do
{
Thread.Sleep(5);
Application.Current.DoEvents();
// check for cancel
_cancelRequested = CancelRequested();
if (!_cancelRequested) continue;
// handle cancel stuff
client.CancelAsync();
_cancelRequested = true;
SetCancelMessages();
} while (_completed == false);
UserInterfaceUtilities.WaitForMilliseconds(DateTime.UtcNow, 250);
UpdateProgressPercent(100);
UpdateTimeEstimate("");
UpdateProgressText(resultWrapper.Result.IsOk() ? "Download complete!" : "Download failed!");
return resultWrapper.Result;
}
}
catch (Exception e)
{
return new ExceptionOccurred(e);
}
}
