private async void GetFormHandler(object Sender, IqEventArgs e)
{
try
{
LinkedList <IThingReference> Nodes = null;
XmlElement E;
string ServiceToken = XML.Attribute(e.Query, "st");
string DeviceToken = XML.Attribute(e.Query, "dt");
string UserToken = XML.Attribute(e.Query, "ut");
foreach (XmlNode N in e.Query.ChildNodes)
{
E = N as XmlElement;
if (E is null)
{
continue;
}
if (E.LocalName == "nd")
{
if (Nodes is null)
{
Nodes = new LinkedList <IThingReference>();
}
string NodeId = XML.Attribute(E, "id");
string SourceId = XML.Attribute(E, "src");
string Partition = XML.Attribute(E, "pt");
if (this.OnGetNode is null)
{
Nodes.AddLast(new ThingReference(NodeId, SourceId, Partition));
}
else
{
IThingReference Ref = await this.OnGetNode(NodeId, SourceId, Partition);
if (Ref is null)
{
throw new ItemNotFoundException("Node not found.", e.IQ);
}
Nodes.AddLast(Ref);
}
}
}
ControlParameter[] Parameters;
if (Nodes is null)
{
Parameters = await this.GetControlParameters(null);
if (Parameters is null)
{
NotFound(e);
return;
}
}
else
{
Dictionary <string, ControlParameter> Parameters1;
Dictionary <string, ControlParameter> Parameters2;
LinkedList <string> ToRemove = null;
Parameters = null;
Parameters1 = null;
foreach (IThingReference Node in Nodes)
{
if (Parameters1 is null)
{
Parameters = await this.GetControlParameters(Node);
if (Parameters is null)
{
NotFound(e);
return;
}
Parameters1 = new Dictionary <string, ControlParameter>();
foreach (ControlParameter P in Parameters)
{
Parameters1[P.Name] = P;
}
}
else
{
Parameters2 = await this.GetControlParametersByName(Node);
if (Parameters2 is null)
{
NotFound(e);
return;
}
foreach (KeyValuePair <string, ControlParameter> P in Parameters1)
{
if (!Parameters2.TryGetValue(P.Key, out ControlParameter P2) || !P.Value.Equals(P2))
{
if (ToRemove is null)
{
ToRemove = new LinkedList <string>();
}
ToRemove.AddLast(P.Key);
}
}
if (ToRemove != null)
{
foreach (string Key in ToRemove)
{
Parameters1.Remove(Key);
}
ToRemove = null;
}
}
}
List <ControlParameter> Left = new List <ControlParameter>();
foreach (ControlParameter P in Parameters)
{
if (Parameters1.ContainsKey(P.Name))
{
Left.Add(P);
}
}
Parameters = Left.ToArray();
}
if (this.provisioningClient != null)
{
int i, c = Parameters.Length;
string[] ParameterNames = new string[c];
for (i = 0; i < c; i++)
{
ParameterNames[i] = Parameters[i].Name;
}
this.provisioningClient.CanControl(e.FromBareJid, Nodes, ParameterNames,
ServiceToken.Split(space, StringSplitOptions.RemoveEmptyEntries),
DeviceToken.Split(space, StringSplitOptions.RemoveEmptyEntries),
UserToken.Split(space, StringSplitOptions.RemoveEmptyEntries),
(sender2, e2) =>
{
if (e2.Ok && e2.CanControl)
{
if (e2.ParameterNames != null)
{
List <ControlParameter> Parameters2 = new List <ControlParameter>();
foreach (ControlParameter P in Parameters)
{
if (Array.IndexOf <string>(e2.ParameterNames, P.Name) >= 0)
{
Parameters2.Add(P);
}
}
Parameters = Parameters2.ToArray();
if (Parameters.Length == 0)
{
e.IqError("<error type='cancel'><forbidden xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>" +
"<text xmlns='urn:ietf:params:xml:ns:xmpp-stanzas' xml:lang='en'>Access denied.</text></error>");
return;
}
}
this.ReturnForm(e, Parameters, Nodes);
}
else
{
e.IqError("<error type='cancel'><forbidden xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>" +
"<text xmlns='urn:ietf:params:xml:ns:xmpp-stanzas' xml:lang='en'>Access denied.</text></error>");
}
}, null);
}
else
{
this.ReturnForm(e, Parameters, Nodes);
}
}
catch (Exception ex)
{
e.IqError(ex);
}
}
private async void GetFormHandler(object Sender, IqEventArgs e)
{
try
{
LinkedList <ThingReference> Nodes = null;
XmlElement E;
foreach (XmlNode N in e.Query.ChildNodes)
{
E = N as XmlElement;
if (E == null)
{
continue;
}
if (E.LocalName == "nd")
{
if (Nodes == null)
{
Nodes = new LinkedList <ThingReference>();
}
Nodes.AddLast(new ThingReference(
XML.Attribute(E, "id"),
XML.Attribute(E, "src"),
XML.Attribute(E, "pt")));
}
}
ControlParameter[] Parameters;
if (Nodes == null)
{
Parameters = await this.GetControlParameters(null);
if (Parameters == null)
{
NotFound(e);
return;
}
}
else
{
Dictionary <string, ControlParameter> Parameters1;
Dictionary <string, ControlParameter> Parameters2;
LinkedList <string> ToRemove = null;
Parameters = null;
Parameters1 = null;
foreach (ThingReference Node in Nodes)
{
if (Parameters1 == null)
{
Parameters = await this.GetControlParameters(Node);
if (Parameters == null)
{
NotFound(e);
return;
}
Parameters1 = new Dictionary <string, ControlParameter>();
foreach (ControlParameter P in Parameters)
{
Parameters1[P.Name] = P;
}
}
else
{
Parameters2 = await this.GetControlParametersByName(Node);
if (Parameters2 == null)
{
NotFound(e);
return;
}
foreach (KeyValuePair <string, ControlParameter> P in Parameters1)
{
if (!Parameters2.TryGetValue(P.Key, out ControlParameter P2) || !P.Value.Equals(P2))
{
if (ToRemove == null)
{
ToRemove = new LinkedList <string>();
}
ToRemove.AddLast(P.Key);
}
}
if (ToRemove != null)
{
foreach (string Key in ToRemove)
{
Parameters1.Remove(Key);
}
ToRemove = null;
}
}
}
List <ControlParameter> Left = new List <ControlParameter>();
foreach (ControlParameter P in Parameters)
{
if (Parameters1.ContainsKey(P.Name))
{
Left.Add(P);
}
}
Parameters = Left.ToArray();
}
StringBuilder Xml = new StringBuilder();
XmlWriter Output = XmlWriter.Create(Xml, XML.WriterSettings(false, true));
ThingReference FirstNode;
Output.WriteStartElement("x", XmppClient.NamespaceData);
Output.WriteAttributeString("xmlns", "xdv", null, XmppClient.NamespaceDataValidate);
Output.WriteAttributeString("xmlns", "xdl", null, XmppClient.NamespaceDataLayout);
Output.WriteAttributeString("xmlns", "xdd", null, XmppClient.NamespaceDynamicForms);
if (Nodes == null)
{
FirstNode = null;
Output.WriteElementString("title", this.client.BareJID);
}
else
{
FirstNode = Nodes.First.Value;
if (Nodes.First.Next == null)
{
Output.WriteElementString("title", Nodes.First.Value.NodeId);
}
else
{
Output.WriteElementString("title", Nodes.Count.ToString() + " nodes");
}
}
LinkedList <string> PagesInOrder = new LinkedList <string>();
Dictionary <string, LinkedList <ControlParameter> > ParametersPerPage = new Dictionary <string, LinkedList <ControlParameter> >();
foreach (ControlParameter P in Parameters)
{
if (!ParametersPerPage.TryGetValue(P.Page, out LinkedList <ControlParameter> List))
{
PagesInOrder.AddLast(P.Page);
List = new LinkedList <ControlParameter>();
ParametersPerPage[P.Page] = List;
}
List.AddLast(P);
}
foreach (string Page in PagesInOrder)
{
Output.WriteStartElement("xdl", "page", null);
Output.WriteAttributeString("label", Page);
foreach (ControlParameter P in ParametersPerPage[Page])
{
Output.WriteStartElement("xdl", "fieldref", null);
Output.WriteAttributeString("var", P.Name);
Output.WriteEndElement();
}
Output.WriteEndElement();
}
foreach (ControlParameter P in Parameters)
{
P.ExportToForm(Output, FirstNode);
}
Output.WriteEndElement();
Output.Flush();
e.IqResult(Xml.ToString());
}
catch (Exception ex)
{
e.IqError(ex);
}
}
