/// <summary>
/// Queries the XMPP entity with the specified JID for its software
/// version.
/// </summary>
/// <param name="jid">The JID of the XMPP entity to query.</param>
/// <returns>An instance of the VersionInformation class containing the
/// entity's software version.</returns>
/// <exception cref="ArgumentNullException">The jid parameter is
/// null.</exception>
/// <exception cref="NotSupportedException">The XMPP entity with
/// the specified JID does not support the 'Software Version' XMPP
/// extension.</exception>
/// <exception cref="XmppErrorException">The server returned an XMPP error code.
/// Use the Error property of the XmppErrorException to obtain the specific
/// error condition.</exception>
/// <exception cref="XmppException">The server returned invalid data or another
/// unspecified XMPP error occurred.</exception>
public VersionInformation GetVersion(Jid jid)
{
jid.ThrowIfNull("jid");
if (!ecapa.Supports(jid, Extension.SoftwareVersion))
{
throw new NotSupportedException("The XMPP entity does not support the " +
"'Software Version' extension.");
}
Iq response = im.IqRequest(IqType.Get, jid, im.Jid,
Xml.Element("query", "jabber:iq:version"));
if (response.Type == IqType.Error)
{
throw Util.ExceptionFromError(response, "The version could not be retrieved.");
}
// Parse the response.
var query = response.Data.Element("query");
if (query == null || query.GetDefaultNamespace().NamespaceName != "jabber:iq:version")
{
throw new XmppException("Erroneous server response: " + response);
}
if (query.Element("name") == null || query.Element("version") == null)
{
throw new XmppException("Missing name or version element: " + response);
}
string os = query.Element("os") != null?query.Element("os").Value : null;
return(new VersionInformation(query.Element("name").Value,
query.Element("version").Value, os));
}
/// <summary>
/// Attempts to initiate a data stream with the XMPP entity with the specified
/// JID.
/// </summary>
/// <param name="to">The JID of the XMPP entity to initiate a data-stream
/// with.</param>
/// <param name="mimeType">The MIME type of the data to be transferred across
/// the stream.</param>
/// <param name="profile">The 'Stream Initiation' profile to use.</param>
/// <param name="streamOptions">An enumerable collection of supported
/// stream methods which are advertised to the receiving XMPP
/// entity.</param>
/// <param name="data">An XML element containing any additional data the
/// specified 'Stream Initiation' profile may require.</param>
/// <returns>An initialized instance of the InitiationResult class containing
/// the negotiated stream-method and session identifier.</returns>
/// <exception cref="ArgumentNullException">The to parameter or the mimeType
/// parameter or the profile parameter or the streamOptions parameter
/// is null.</exception>
/// <exception cref="ArgumentException">The streamOptions enumerable contains
/// no elements, or the stream-initiation response received contained no
/// selection for the stream-method.</exception>
/// <exception cref="NotSupportedException">The XMPP entity with
/// the specified JID does not support the 'Stream Initiation' XMPP
/// extension.</exception>
/// <exception cref="XmppErrorException">The server or the receiving XMPP
/// entity returned an XMPP error code. Use the Error property of the
/// XmppErrorException to obtain the specific error condition.</exception>
/// <exception cref="XmppException">The server returned invalid data or another
/// unspecified XMPP error occurred.</exception>
public InitiationResult InitiateStream(Jid to, string mimeType, string profile,
IEnumerable <string> streamOptions, XElement data = null)
{
to.ThrowIfNull("to");
mimeType.ThrowIfNull("mimeType");
profile.ThrowIfNull("profile");
streamOptions.ThrowIfNull("streamOptions");
if (streamOptions.Count() == 0)
{
throw new ArgumentException("The streamOptions enumerable must " +
"include one or more stream-options.");
}
if (!ecapa.Supports(to, Extension.StreamInitiation))
{
throw new NotSupportedException("The XMPP entity does not support " +
"the 'Stream Initiation' extension.");
}
string sid = GenerateSessionId();
var si = CreateSiElement(sid, mimeType, profile, streamOptions, data);
// Perform the actual request.
Iq iq = im.IqRequest(IqType.Set, to, im.Jid, si);
if (iq.Type == IqType.Error)
{
throw Util.ExceptionFromError(iq, "Stream initiation failed.");
}
// Result must contain a 'feature' element.
var feat = iq.Data.Element("si").Element("feature");
string selected = ParseStreamMethod(feat);
// Construct and return the initiation result.
return(new InitiationResult(sid, selected, iq.Data.Element("si")));
}
//public void CopyNodes(XDocument targetDocument, XNode targetNode, XNode source)
//{
// XNode targetChildNode = targetDocument.CreateNode(source.NodeType, source.Name, "");
// if (!source.HasChildNodes)
// targetChildNode.InnerText = source.InnerText;
// targetNode.AppendChild(targetChildNode);
// foreach (XNode childNode in source.ChildNodes)
// {
// CopyNodes(targetDocument, targetChildNode, childNode);
// }
//}
/// <summary>
/// Requests the XMPP entity with the specified JID a GET command.
/// When the Result is received and it not not an error
/// if fires the callback function
/// </summary>
/// <param name="jid">The JID of the XMPP entity to get.</param>
/// <exception cref="ArgumentNullException">The jid parameter
/// is null.</exception>
/// <exception cref="NotSupportedException">The XMPP entity with
/// the specified JID does not support the 'Ping' XMPP extension.</exception>
/// <exception cref="XmppErrorException">The server returned an XMPP error code.
/// Use the Error property of the XmppErrorException to obtain the specific
/// error condition.</exception>
/// <exception cref="XmppException">The server returned invalid data or another
/// unspecified XMPP error occurred.</exception>
public void RequestCustomIqAsync(Jid jid, string request, Action callback)
{
jid.ThrowIfNull("jid");
request.ThrowIfNull("str");
//First check if the Jid entity supports the namespace
if (!ecapa.Supports(jid, Extension.CustomIqExtension))
{
throw new NotSupportedException("The XMPP entity does not support the " +
"'CustomIqExtension' extension.");
}
var xml = Xml.Element("customiq", "urn:sharp.xmpp:customiq").Text(request);
//The Request is Async
im.IqRequestAsync(IqType.Get, jid, im.Jid, xml, null, (id, iq) =>
{
//For any reply we execute the callback
if (iq.Type == IqType.Error)
{
throw Util.ExceptionFromError(iq, "Could not Send Object to XMPP entity.");
}
if (iq.Type == IqType.Result)
{
try
{
//An empty response means the Message was received
if (callback != null)
{
callback.Invoke();
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("Not correctly formated response to RequestCustomIqAsync" + e.StackTrace + e.ToString());
throw Util.ExceptionFromError(iq, "Not correctly formated response to RequestCustomIqAsync, " + e.Message);
}
}
});
}
/// <summary>
/// Gets the attention of the XMPP user with the specified JID.
/// </summary>
/// <param name="jid">The JID of the user to grab the attention of.</param>
/// <param name="message">A Message to sent along.</param>
/// <exception cref="ArgumentNullException">The jid parameter
/// is null.</exception>
/// <exception cref="NotSupportedException">The XMPP entity with
/// the specified JID does not support the 'Attention' XMPP
/// extension.</exception>
public void GetAttention(Jid jid, string message = null)
{
jid.ThrowIfNull("jid");
if (!ecapa.Supports(jid, Extension.Attention))
{
throw new NotSupportedException("The XMPP entity does not support the " +
"'Attention' extension.");
}
Im.Message m = new Im.Message(jid, message);
// Add the 'attention' element to the Message.
m.Data.Child(Xml.Element("attention", "urn:xmpp:attention:0"));
im.SendMessage(m);
}
/// <summary>
/// Returns an enumerable collection of blocked contacts.
/// </summary>
/// <returns>An enumerable collection of JIDs which are on the client's
/// blocklist.</returns>
/// <exception cref="NotSupportedException">The XMPP entity with
/// the specified JID does not support the 'Blocking Command' XMPP
/// extension.</exception>
/// <exception cref="XmppErrorException">The server returned an XMPP error code.
/// Use the Error property of the XmppErrorException to obtain the specific
/// error condition.</exception>
/// <exception cref="XmppException">The server returned invalid data or another
/// unspecified XMPP error occurred.</exception>
public IEnumerable <Jid> GetBlocklist()
{
// Probe for server support.
if (!ecapa.Supports(im.Jid.Domain, Extension.BlockingCommand))
{
throw new NotSupportedException("The server does not support " +
"the 'Blocking Command' extension.");
}
Iq iq = im.IqRequest(IqType.Get, null, im.Jid,
Xml.Element("blocklist", "urn:xmpp:blocking"));
if (iq.Type == IqType.Error)
{
throw Util.ExceptionFromError(iq, "The blocklist could not be retrieved.");
}
ISet <Jid> set = new HashSet <Jid>();
var list = iq.Data.Element("blocklist");
if (list == null || list.GetDefaultNamespace().NamespaceName != "urn:xmpp:blocking")
{
throw new XmppException("Erroneous server response.");
}
foreach (XElement item in list.Descendants("item"))
{
try
{
string jid = item.GetAttribute("jid");
set.Add(jid);
}
catch (FormatException e)
{
throw new XmppException("Encountered an invalid JID.", e);
}
}
return(set);
}
public void EnableCarbons(bool enable = true)
{
if (!ecapa.Supports(im.Jid.Domain, Extension.MessageCarbons))
{
throw new NotSupportedException("The XMPP server does not support " +
"the 'Message Carbons' extension.");
}
var iq = im.IqRequest(IqType.Set, null, im.Jid,
Xml.Element(enable ? "enable" : "disable", _namespaces[0]));
if (iq.Type == IqType.Error)
{
throw Util.ExceptionFromError(iq, "Message Carbons could not " +
"be enabled.");
}
}
/// <summary>
/// Retrieves the data-item with the specified CID from the XMPP entity
/// with the specified JID.
/// </summary>
/// <param name="cid">The CID of the binary data to retrieve.</param>
/// <param name="from">The JID of the XMPP entity to request the data
/// from.</param>
/// <param name="cache">true to store the requested item in the local
/// cache for future references.</param>
/// <returns>The data-item with the specified CID.</returns>
/// <exception cref="ArgumentNullException">The cid parameter or the from
/// parameter is null.</exception>
/// <exception cref="NotSupportedException">The XMPP entity with
/// the specified JID does not support the 'Bits of Binary' XMPP
/// extension.</exception>
/// <exception cref="XmppErrorException">The server returned an XMPP error code.
/// Use the Error property of the XmppErrorException to obtain the specific
/// error condition.</exception>
/// <exception cref="XmppException">The server returned invalid data or another
/// unspecified XMPP error occurred.</exception>
public BobData Get(string cid, Jid from, bool cache = true)
{
cid.ThrowIfNull("cid");
from.ThrowIfNull("from");
// If the data is already in the cache, return it.
if (this.cache.ContainsKey(cid))
{
return(this.cache[cid]);
}
if (!ecapa.Supports(from, Extension.BitsOfBinary))
{
throw new NotSupportedException("The XMPP entity does not support " +
"the 'Bits of Binary' extension.");
}
// Request the data.
Iq iq = im.IqRequest(IqType.Get, from, im.Jid,
Xml.Element("data", "urn:xmpp:bob").SetAttribute("cid", cid));
if (iq.Type == IqType.Error)
{
throw Util.ExceptionFromError(iq, "The data-item with the specified " +
"CID could not be retrieved.");
}
var data = iq.Data.Element("data");
if (data == null || data.GetDefaultNamespace().NamespaceName != "urn:xmpp:bob")
{
throw new XmppException("Erroneous response.");
}
try
{
// Parse the response 'data' element.
BobData b = BobData.Parse(data);
if (cache)
{
this.cache[cid] = b;
}
return(b);
}
catch (ArgumentException e)
{
throw new XmppException("The retrieved data-item could not be " +
"processed.", e);
}
}
/// <summary>
/// Pings the XMPP entity with the specified JID.
/// </summary>
/// <param name="jid">The JID of the XMPP entity to ping.</param>
/// <returns>The time it took to ping the XMPP entity with the specified
/// JID.</returns>
/// <exception cref="ArgumentNullException">The jid parameter
/// is null.</exception>
/// <exception cref="NotSupportedException">The XMPP entity with
/// the specified JID does not support the 'Ping' XMPP extension.</exception>
/// <exception cref="XmppErrorException">The server returned an XMPP error code.
/// Use the Error property of the XmppErrorException to obtain the specific
/// error condition.</exception>
/// <exception cref="XmppException">The server returned invalid data or another
/// unspecified XMPP error occurred.</exception>
public TimeSpan PingEntity(Jid jid)
{
jid.ThrowIfNull("jid");
if (!ecapa.Supports(jid, Extension.Ping))
{
throw new NotSupportedException("The XMPP entity does not support the " +
"'Ping' extension.");
}
DateTime start = DateTime.Now;
Iq iq = im.IqRequest(IqType.Get, jid, im.Jid,
Xml.Element("ping", "urn:xmpp:ping"));
if (iq.Type == IqType.Error)
{
throw Util.ExceptionFromError(iq, "Could not ping XMPP entity.");
}
return(DateTime.Now.Subtract(start));
}
/// <summary>
/// Retrieves the client's external IP address.
/// </summary>
/// <returns>The XMPP client's external IP address.</returns>
/// <exception cref="NotSupportedException">The XMPP server does not
/// support the 'Server IP Check' XMPP extension.</exception>
/// <exception cref="XmppErrorException">The server returned an XMPP error code.
/// Use the Error property of the XmppErrorException to obtain the specific
/// error condition.</exception>
/// <exception cref="XmppException">The server returned invalid data or another
/// unspecified XMPP error occurred.</exception>
public string GetExternalAddress()
{
if (!ecapa.Supports(im.Jid.Domain, Extension.ServerIpCheck))
{
throw new NotSupportedException("The XMPP server does not support " +
"the 'Server IP Check' extension.");
}
Iq iq = im.IqRequest(IqType.Get, null, im.Jid,
Xml.Element("address", "urn:xmpp:sic:1"));
if (iq.Type == IqType.Error)
{
throw Util.ExceptionFromError(iq, "The external IP address could not " +
"be retrieved.");
}
var address = iq.Data.Element("address");
if (address == null || address.Element("ip") == null)
{
throw new XmppException("Erroneous IQ response.");
}
return(address.Element("ip").Value);
}
/// <summary>
/// Retrieves the time of the XMPP entity with the specified JID.
/// </summary>
/// <param name="jid">The JID of the XMPP entity to retrieve the time
/// for.</param>
/// <returns>The time of the XMPP entity with the specified JID.</returns>
/// <exception cref="ArgumentNullException">The jid parameter
/// is null.</exception>
/// <exception cref="NotSupportedException">The XMPP entity with
/// the specified JID does not support the 'Entity Time' XMPP extension.</exception>
/// <exception cref="XmppErrorException">The server returned an XMPP error code.
/// Use the Error property of the XmppErrorException to obtain the specific
/// error condition.</exception>
/// <exception cref="XmppException">The server returned invalid data or another
/// unspecified XMPP error occurred.</exception>
public DateTime GetTime(Jid jid)
{
jid.ThrowIfNull("jid");
if (!ecapa.Supports(jid, Extension.EntityTime))
{
throw new NotSupportedException("The XMPP entity does not support " +
"the 'Entity Time' extension.");
}
Iq iq = im.IqRequest(IqType.Get, jid, im.Jid,
Xml.Element("time", "urn:xmpp:time"));
if (iq.Type == IqType.Error)
{
throw Util.ExceptionFromError(iq, "The time could not be retrieved.");
}
var time = iq.Data.Element("time");
if (time == null || time.Element("tzo") == null || time.Element("utc") == null)
{
throw new XmppException("Erroneous IQ response.");
}
string tzo = time.Element("tzo").Value;
string utc = time.Element("utc").Value;
// Try to parse utc into datetime, tzo into timespan.
try
{
DateTime dt = DateTime.Parse(utc).ToUniversalTime();
TimeSpan sp = TimeSpan.Parse(tzo.TrimStart('+'));
return(dt.Add(sp));
}
catch (FormatException e)
{
throw new XmppException("Invalid tzo or utc value.", e);
}
}
