static void Main(string[] args)
{
IWidow info = new ConsoleInformative();
try
{
string searchQuery = "test";
string searchEngine = "https://google.com";
NameValueCollection search = new NameValueCollection();
Regex linkParser = new Regex(@"\b(?:https?://|www\.)\S+\b", RegexOptions.Compiled | RegexOptions.IgnoreCase);
info.Say("Attempting to connect to the site..");
BlackWidow blackWidow = new BlackWidow(searchEngine);
info.Success(string.Format("Connected to site, writing HTML to file, and searching {0} with query {1}.", searchEngine, searchQuery));
search.Add("q", searchQuery);
}
/*
* Catch all exceptions and write them
* to a file for futher analysis if any
* occur during the process.
*/
catch (Exception e)
{
var filePath = AppDomain.CurrentDomain.BaseDirectory;
info.FatalErr(string.Format("Exception thrown: {0}", e.ToString()));
File.WriteAllText(string.Format(@"{0}\errorlog.LOG", filePath), e.ToString());
info.Debug(string.Format("Wrote Exception to file located in {0}", filePath));
}
Console.ReadLine();
}
/*
* Make a request to the web host in
* this case it is Google.
*/
private static string GetWebInfo(string url)
{
string logPath = string.Format(@"{0}\html.txt", Path.GetDirectoryName(System.AppDomain.CurrentDomain.BaseDirectory));
string errPath = string.Format(@"{0}\error.txt", Path.GetDirectoryName(System.AppDomain.CurrentDomain.BaseDirectory));
HttpWebRequest requests = (HttpWebRequest)HttpWebRequest.Create(url);
requests.ProtocolVersion = HttpVersion.Version10;
requests.UserAgent = "A .NET Web Crawler";
IWebProxy proxy = requests.Proxy;
IWidow info = new ConsoleInformative();
/*
* Used cached credentials to access
* proxy if there is one.
*/
info.Say("Checking if you're behind a proxy");
if (proxy != null)
{
try
{
info.Say("Proxy found attempting to login with cached credentials..");
string proxyUri = proxy.GetProxy(requests.RequestUri).ToString();
requests.UseDefaultCredentials = true;
requests.Proxy = new WebProxy(proxyUri, false);
requests.Proxy.Credentials = System.Net.CredentialCache.DefaultCredentials;
}
/*
* Catch exception if hte cached
* credentials fail to load.
*/
catch (Exception e)
{
info.FatalErr("Unable to verify cached credentials..");
File.WriteAllText(errPath, e.ToString());
info.Debug("Wrote error to file for further analysis, exiting process..");
}
}
info.Success("Logged in with cached credentials, continuing process.");
WebResponse providedResponse = requests.GetResponse();
Stream stream = providedResponse.GetResponseStream();
StreamReader readInformation = new StreamReader(stream);
string htmlOutput = readInformation.ReadToEnd();
File.WriteAllText(logPath, htmlOutput);
return(htmlOutput);
}