public ResultLinkInfo GetResult(ScrapeInfo scrapeInfo)
{
ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12;
WebHeaderCollection headerCollection = BuildHeaders(scrapeInfo.Headers);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(scrapeInfo.Url);
request.Headers = headerCollection;
int random = DateTime.Now.Second;
request.Headers.Add("User-Agent", $"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:{random}) Gecko/20100101 Firefox/{random}");
request.Method = "GET";
request.Timeout = 10000;
request.AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip;
//request.Proxy.Credentials = System.Net.CredentialCache.DefaultCredentials;
WebResponse response;
try
{
response = request.GetResponse();
} catch
{
ResultLinkInfo info404 = new ResultLinkInfo()
{
Name = scrapeInfo.Name,
Success = false
};
return(info404);
}
Stream stream = response.GetResponseStream();
//stream = new GZipStream(stream, CompressionMode.Decompress);
//stream = new DeflateStream(stream, CompressionMode.Decompress);
StreamReader reader = new StreamReader(stream);
string html = reader.ReadToEnd();
Parser parser = new Parser();
string result = parser.ParseResultsFromHtml(html, scrapeInfo.XPath);
ResultLinkInfo resultInfo = new ResultLinkInfo()
{
Name = scrapeInfo.Name,
Link = new Uri(scrapeInfo.Url),
ResultText = result,
Success = DetermineSuccess(scrapeInfo, result)
};
return(resultInfo);
}
public bool DetermineSuccess(ScrapeInfo info, string html) //consider private
{
bool success = false;
if (info.SuccessIndicator != null)
{
success = html.Contains(info.SuccessIndicator);
}
else if (info.FailureIndicator != null)
{
success = !html.Contains(info.FailureIndicator);
}
return(success);
}
