public override Tag Step(Tag tag)
{
if (tag.Name.LocalName == "success")
{
var succ = tag;
PopulateDirectives(succ);
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, "rspauth = {0}", this["rspauth"]);
#endif
return succ;
}
if (tag.Name.LocalName == "failure")
return tag;
var chall = tag;
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, _enc.GetString(tag.Bytes, 0, tag.Bytes.Length));
#endif
PopulateDirectives(chall);
Tag res = new tags.xmpp_sasl.response() as Tag;
if (this["rspauth"] == null)
{
GenerateResponseHash();
res.Bytes = GenerateResponse();
}
return res as Tag;
}
public override Tag Step(Tag tag)
{
switch (tag.Name.LocalName)
{
case "challenge":
{
_serverFirst = tag.Bytes;
var response = _utf.GetString(tag.Bytes, 0, tag.Bytes.Length );
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, "Challenge: {0}", response);
#endif
// Split challenge into pieces
var tokens = response.Split(',');
_snonce = tokens[0].Substring(2);
// Ensure that the first length of nonce is the same nonce we sent.
var r = _snonce.Substring(0, _nonce.Length);
if (0 != String.Compare(r, _nonce))
{
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, "{0} does not match {1}", r, _nonce);
#endif
}
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, "Getting Salt");
#endif
var a = tokens[1].Substring(2);
_salt = Convert.FromBase64String(a);
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, "Getting Iterations");
#endif
var i = tokens[2].Substring(2);
_i = int.Parse(i);
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, "Iterations: {0}", _i);
#endif
var final = new StringBuilder();
final.Append("c=biws,r=");
final.Append(_snonce);
_clientFinal = final.ToString();
CalculateProofs();
final.Append(",p=");
final.Append(_clientProof);
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, "Final Message: {0}", final.ToString());
#endif
Tag resp = new tags.xmpp_sasl.response() as Tag;
resp.Bytes = _utf.GetBytes(final.ToString());
return resp;
}
case "success":
{
var response = _utf.GetString(tag.Bytes, 0, tag.Bytes.Length );
var signature = Convert.FromBase64String(response.Substring(2));
return _utf.GetString(signature, 0, signature.Length ) == _utf.GetString(_serverSignature, 0, _serverSignature.Length ) ? tag : null;
}
case "failure":
return tag;
}
return null;
}
public override Tag Step(Tag tag)
{
switch (tag.Name.LocalName)
{
case "challenge":
{
_serverFirst = tag.Bytes;
var response = _utf.GetString(tag.Bytes, 0, tag.Bytes.Length);
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, "Challenge: {0}", response);
#endif
// Split challenge into pieces
var tokens = response.Split(',');
_snonce = tokens[0].Substring(2);
// Ensure that the first length of nonce is the same nonce we sent.
var r = _snonce.Substring(0, _nonce.Length);
if (0 != String.Compare(r, _nonce))
{
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, "{0} does not match {1}", r, _nonce);
#endif
}
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, "Getting Salt");
#endif
var a = tokens[1].Substring(2);
_salt = Convert.FromBase64String(a);
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, "Getting Iterations");
#endif
var i = tokens[2].Substring(2);
_i = int.Parse(i);
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, "Iterations: {0}", _i);
#endif
var final = new StringBuilder();
final.Append("c=biws,r=");
final.Append(_snonce);
_clientFinal = final.ToString();
CalculateProofs();
final.Append(",p=");
final.Append(_clientProof);
#if DEBUG
Manager.Events.LogMessage(this, LogType.Debug, "Final Message: {0}", final.ToString());
#endif
Tag resp = new tags.xmpp_sasl.response() as Tag;
resp.Bytes = _utf.GetBytes(final.ToString());
return(resp);
}
case "success":
{
var response = _utf.GetString(tag.Bytes, 0, tag.Bytes.Length);
var signature = Convert.FromBase64String(response.Substring(2));
return(_utf.GetString(signature, 0, signature.Length) == _utf.GetString(_serverSignature, 0, _serverSignature.Length) ? tag : null);
}
case "failure":
return(tag);
}
return(null);
}
