/// <summary>
/// Empaqquete un DIscoInfo
/// </summary>
/// <param name="info">DicoInfo</param>
/// <returns>Ampaquetage</returns>
public static string DiscoInfoToVersion(DiscoInfo info)
{
StringBuilder builder = new StringBuilder(256);
DiscoIdentity[] identities = info.GetIdentities();
string[] ids = new string[identities.Length];
for (int i = 0; i < identities.Length; i++)
{
ids[i] = string.Format("{0}/{1}", identities[i].Category, identities[i].Type);
}
Array.Sort(ids);
foreach (string id in ids)
{
builder.AppendFormat("{0}<", id);
}
DiscoFeature[] features = info.GetFeatures();
string[] feas = new string[features.Length];
for (int i = 0; i < features.Length; i++)
{
feas[i] = features[i].Var;
}
Array.Sort(feas);
foreach (string fea in feas)
{
builder.AppendFormat("{0}<", fea);
}
SHA1Managed sha1 = new SHA1Managed();
byte[] hash = sha1.ComputeHash(Encoding.Unicode.GetBytes(builder.ToString()));
return(Convert.ToBase64String(hash));
}
private void xmppDiscoServerInformation(object sender, agsXMPP.protocol.client.IQ iq, object data)
{
if (iq.Type == agsXMPP.protocol.client.IqType.result)
{
if (iq.Query != null && iq.Query is DiscoInfo)
{
DiscoInfo di = iq.Query as DiscoInfo;
List <string> features = new List <string>();
if (di.GetFeatures() != null)
{
DiscoFeature[] fs = di.GetFeatures();
foreach (DiscoFeature f in fs)
{
if (!features.Contains(f.Var))
{
features.Add(f.Var);
}
}
}
if (features.Contains("http://jabber.org/protocol/pubsub"))
{
if (features.Contains("http://jabber.org/protocol/pubsub#publish"))
{
_pepCapable = true;
Jabber._presence.setMood(Jabber._presence.mood.type, Jabber._presence.mood.text);
Jabber._presence.setActivity(Jabber._presence.activity.type, Jabber._presence.activity.text);
Jabber._presence.setLocation(Jabber._presence.location);
Jabber._presence.clearTune();
}
}
}
}
if (Jabber.xmpp.IqGrabber != null && iq.Id != null)
{
Jabber.xmpp.IqGrabber.Remove(iq.Id);
}
}
private string BuildCapsVersion(DiscoInfo di)
{
/*
* 1. Initialize an empty string S.
* 2. Sort the service discovery identities by category and then by type (if it exists), formatted as 'category' '/' 'type'.
* 3. For each identity, append the 'category/type' to S, followed by the '<' character.
* 4. Sort the supported features.
* 5. For each feature, append the feature to S, followed by the '<' character.
* 6. Compute ver by hashing S using the SHA-1 algorithm as specified in RFC 3174 [17] (with binary output) and
* encoding the hash using Base64 as specified in Section 4 of RFC 4648 [18]
* (note: the Base64 output MUST NOT include whitespace and MUST set padding bits to zero). [19]
*/
ArrayList features = new ArrayList();
ArrayList identities = new ArrayList();
foreach (DiscoIdentity did in di.GetIdentities())
{
identities.Add(did.Type == null ? did.Category : did.Category + "/" + did.Type);
}
foreach (DiscoFeature df in di.GetFeatures())
{
features.Add(df.Var);
}
identities.Sort();
features.Sort();
StringBuilder S = new StringBuilder();
foreach (string s in identities)
{
S.Append(s + "<");
}
foreach (string s in features)
{
S.Append(s + "<");
}
byte[] sha1 = Util.Hash.Sha1HashBytes(S.ToString());
#if CF
return(Convert.ToBase64String(sha1, 0, sha1.Length));
#else
return(Convert.ToBase64String(sha1));
#endif
}
