public bool GetCredentials(GetCredentialsEventArgs args)
{
try
{
//check if this game has some stored details
if (SettingsManager.Instance.Settings == null)
{
//if not, create some
SettingsManager.Instance.Settings = new GameSettings { GameUid = _game.Uid, };
}
args.UserName = SettingsManager.Instance.Settings.UserName;
args.Password = SettingsManager.Instance.Settings.Password;
//if we have no credentials or we have incorrect stored credentials
if (string.IsNullOrEmpty(args.UserName) || _requiresManualIntervention)
{
if (_newCredentials(args))
{
SettingsManager.Instance.Settings.UserName = args.UserName;
SettingsManager.Instance.Settings.Password = args.Password;
SettingsManager.Instance.Save();
return true;
}
else
{
SettingsManager.Instance.Settings.UserName = string.Empty;
SettingsManager.Instance.Settings.Password = string.Empty;
SettingsManager.Instance.Save();
return false;
}
}
else
{
return true;
}
}
finally
{
//if this callback is called again, it must mean that the
//credentials supplied were wrong so must be entered manually
_requiresManualIntervention = true;
}
}
public Stream GetResponseStream(string uri, long progress, Func<GetCredentialsEventArgs, bool> getCredentials, out long contentLength)
{
var response = _responses[uri];
if (response==null)
{
throw new WebException("404 File not found");
}
if (_credentials.ContainsKey(uri))
{
bool hasValidCredentials = false;
if (getCredentials != null)
{
var args = new GetCredentialsEventArgs();
while (getCredentials(args))
{
if (_credentials[uri].Key==args.UserName && _credentials[uri].Value==args.Password)
{
hasValidCredentials = true;
break;
}
}
}
if (!hasValidCredentials)
{
throw new WebException("401 Unauthorized");
}
}
contentLength = response.Data.Length;
var stream = new MockStream(response.Data);
if (response.OnRead != null) stream.OnRead += response.OnRead;
if (response.OnWrite != null) stream.OnWrite += response.OnWrite;
stream.Open();
stream.Seek(progress, SeekOrigin.Begin);
return stream;
}
public Stream GetResponseStream(string uri,long progress, Func<GetCredentialsEventArgs,bool> getCredentials,out long contentLength)
{
var credentials = new GetCredentialsEventArgs();
bool requiresAuthentication = false;
const int maxRedirects = 5;
int redirects = 0;
do
{
var request = (HttpWebRequest)WebRequest.Create(uri);
request.AllowAutoRedirect = false;
if (requiresAuthentication)
{
var cache = new CredentialCache {
{ new Uri(uri, UriKind.Absolute), "Basic", new NetworkCredential(credentials.UserName, credentials.Password) },
{ new Uri(uri, UriKind.Absolute), "Digest", new NetworkCredential(credentials.UserName, credentials.Password) }
};
request.Credentials = cache;
}
else
{
request.Credentials = CredentialCache.DefaultCredentials;
}
if (progress>0) AddRange(progress, request);
try
{
var response = (HttpWebResponse) request.GetResponse();
if (response.StatusCode == HttpStatusCode.Found)
{
uri = response.Headers["Location"];
}
else
{
contentLength = response.ContentLength;
return response.GetResponseStream();
}
}
catch (WebException ex)
{
bool rethrow = true;
if (ex.Response!=null)
{
HttpWebResponse errorResponse = (HttpWebResponse) ex.Response;
if (errorResponse.StatusCode == HttpStatusCode.Unauthorized && getCredentials!=null && getCredentials(credentials))
{
//retry the request with the credentials supplied from the user, for all other errors
//just rethrow the exception.
requiresAuthentication = true;
rethrow = false;
}
}
if (rethrow) throw ex;
}
}
while (redirects++<maxRedirects);
throw new Exception("Maximum redirect count exceeded");
}
public Stream GetResponseStream(string uri, long progress, Func <GetCredentialsEventArgs, bool> getCredentials, out long contentLength)
{
var credentials = new GetCredentialsEventArgs();
bool requiresAuthentication = false;
const int maxRedirects = 5;
int redirects = 0;
do
{
var request = (HttpWebRequest)WebRequest.Create(uri);
request.AllowAutoRedirect = false;
if (requiresAuthentication)
{
var cache = new CredentialCache {
{ new Uri(uri, UriKind.Absolute), "Basic", new NetworkCredential(credentials.UserName, credentials.Password) },
{ new Uri(uri, UriKind.Absolute), "Digest", new NetworkCredential(credentials.UserName, credentials.Password) }
};
request.Credentials = cache;
}
else
{
request.Credentials = CredentialCache.DefaultCredentials;
}
if (progress > 0)
{
AddRange(progress, request);
}
try
{
var response = (HttpWebResponse)request.GetResponse();
if (response.StatusCode == HttpStatusCode.Found)
{
uri = response.Headers["Location"];
}
else
{
contentLength = response.ContentLength;
return(response.GetResponseStream());
}
}
catch (WebException ex)
{
bool rethrow = true;
if (ex.Response != null)
{
HttpWebResponse errorResponse = (HttpWebResponse)ex.Response;
if (errorResponse.StatusCode == HttpStatusCode.Unauthorized && getCredentials != null && getCredentials(credentials))
{
//retry the request with the credentials supplied from the user, for all other errors
//just rethrow the exception.
requiresAuthentication = true;
rethrow = false;
}
}
if (rethrow)
{
throw ex;
}
}
}while (redirects++ < maxRedirects);
throw new Exception("Maximum redirect count exceeded");
}