protected WebClient WebClient()
{
WebClient client = new WebClient();
client.AddCookie(_cookieCollection);
return(client);
}
public static ReturnInformation.Return Search(string query, char?character = null, QueryArgs.Status?status = null, QueryArgs.Mode?mode = null, int?page = null)
{
WebClient webclient = new WebClient();
string s = webclient.DownloadString(Path(query, character, status, mode, page));
ReturnInformation.Return r = JsonConvert.DeserializeObject <ReturnInformation.Return>(s);
return(r);
}
public static BitmapImage GetCAPTCHA(Uri uri, out CAPTCHAData data)
{
string image;
string sync;
string hash;
Regex r_image = new Regex("<img src=" + @"\" + '"' + "data:image/jpeg;base64,(?<image>[^.]*)" + @"\" + '"' + " " + "class=" + @"\" + '"' + "d-block mw-100" + @"\" + '"' + ">");
//<img src=\"(?<image>[^.]*)\" class=\"d-block mw-100\">
Regex r_sync = new Regex("<input name=" + @"\" + '"' + "sync" + @"\" + '"' + " " + "type=" + @"\" + '"' + "hidden" + @"\" + '"' + " " + "value=" + @"\" + '"' + @"(?<sync>\d+)" + @"\" + '"' + ">");
//<input name=\"sync\" type=\"hidden\" value=\"(?<sync>\d+)\">
Regex r_hash = new Regex("<input name=" + @"\" + '"' + "hash" + @"\" + '"' + " " + "type=" + @"\" + '"' + "hidden" + @"\" + '"' + " " + "value=" + @"\" + '"' + "(?<hash>[^" + '"' + "]*)" + @"\" + '"' + ">");
//<input name=\"sync\" type=\"hidden\" value=\"(?<hash>[^"]*)\">
string CAPTCHAPage = null;
try
{
CAPTCHAPage = new WebClient().DownloadString(uri);
}
catch (WebException e)
{
StreamReader sR = new StreamReader(e.Response.GetResponseStream());
CAPTCHAPage = sR.ReadToEnd();
}
Match m_image = r_image.Match(CAPTCHAPage);
Match m_sync = r_sync.Match(CAPTCHAPage);
Match m_hash = r_hash.Match(CAPTCHAPage);
image = m_image.Groups["image"].Value;
sync = m_sync.Groups["sync"].Value;
hash = m_hash.Groups["hash"].Value;
if (image == string.Empty | sync == string.Empty || hash == string.Empty)
{
throw new Exception("Failed Get CAPTCHAdata");
}
else
{
data = new CAPTCHAData();
data.sync = sync;
data.hash = hash;
data.uri = uri;
}
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.BeginInit();
bitmapImage.StreamSource = new MemoryStream(Convert.FromBase64String(image));
bitmapImage.EndInit();
return(bitmapImage);
}
public static CookieCollection PostCAPTCHA(string response, CAPTCHAData data)
{
WebClient client = new WebClient();
string formData = "response=" + response + "&" + "sync=" + data.sync + "&" + "hash=" + data.hash;
client.Referer = data.uri.ToString();
client.Host = data.uri.Host;
client.ContentType = "application/x-www-form-urlencoded";
client.UploadString(data.uri, formData);
string Header = client.ResponseHeaders.Get("Set-Cookie");
client.Dispose();
return(WebClient.GetAllCookiesFromHeader(Header, data.uri.Host.ToString()));
}
internal override byte[] Download()
{
if (_cookieCollection == null)
{
throw new Exception("Bloodcat No Cookie Existed.");
}
byte[] file;
WebClient client = new WebClient();
client.AddCookie(_cookieCollection);
_beatmapsetPackage.OnProgressChanged(new ProgressChangedEventArgs(0, "Downloading"));
file = client.DownloadData(Path(_beatmapsetPackage));
_beatmapsetPackage.OnProgressChanged(new ProgressChangedEventArgs(90, "Download Complete"));
return(file);
}
public static bool IsCookieValid(CookieCollection cookieCollection)
{
WebClient client = new WebClient();
client.AddCookie(cookieCollection);
string s = client.DownloadString(Path(Methods.user));
ReturnInformation.User user = JsonConvert.DeserializeObject <ReturnInformation.User>(s);
if (user.logged_in)
{
return(true);
}
else
{
return(false);
}
}
public static bool IsCookieValid(CookieCollection cookieCollection)
{
WebClient client = new WebClient();
client.AddCookie(cookieCollection);
client.Method = "Head";
//Bloodcat 对 Cookie 进行加密 与 User-Agent 配合验证
try
{
client.DownloadData("http://bloodcat.com/osu/s/4079");
return(true);
}
catch (WebException e)
{
Console.WriteLine(e.Message);
return(false);
}
}
