public void DownloadAvatar(Jid userId, string avatarId, string avatarType, RequestAvatarCallback finished)
{
PubSubIq dataiq = new PubSubIq(IqType.get, userId, Program.Jabber.conn.MyJID);
dataiq.PubSub.Items = new Items("urn:xmpp:avatar:data");
dataiq.PubSub.Items.AddItem(new Item(avatarId));
Program.Jabber.conn.IqGrabber.SendIq(dataiq, (IqCB)((object sender_3, IQ result2, object unused_4) => {
if (result2.Type != IqType.result)
{
finished(false, null); return;
}
Element data = result2.SelectSingleElement("data", true);
byte[] imageBytes = Convert.FromBase64String(data.Value);
Image img;
switch (avatarType)
{
case "image/webp":
var dec = new Imazen.WebP.SimpleDecoder();
img = dec.DecodeFromBytes(imageBytes, imageBytes.Length);
break;
default:
img = Image.FromStream(new MemoryStream(imageBytes));
break;
}
string fileName = GetAvatarFilename(userId);
img.Save(fileName, ImageFormat.Png);
finished(true, fileName);
}));
}
public void RequestAvatar(Jid userId, RequestAvatarCallback finished)
{
if (dontRequestIds.Contains(userId.ToString()))
{
return;
}
dontRequestIds.Add(userId.ToString());
PubSubIq metaiq = new PubSubIq(IqType.get, userId, Program.Jabber.conn.MyJID);
metaiq.PubSub.Items = new Items("urn:xmpp:avatar:metadata");
Program.Jabber.conn.IqGrabber.SendIq(metaiq, (IqCB)((object unused_1, IQ result, object unused_2) => {
if (result.Type != IqType.result)
{
finished(false, null); return;
}
Element info = result.SelectSingleElement("info", true);
if (info == null || !info.HasAttribute("id") || !info.HasAttribute("type"))
{
finished(false, null); return;
}
this.DownloadAvatar(userId, info.GetAttribute("id"), info.GetAttribute("type"), finished);
}));
}
public void TestBuildPubSubIq2()
{
var pIq = new PubSubIq
{
Type = Matrix.Xmpp.IqType.Set,
From = "[email protected]/elsinore",
To = "pubsub.shakespeare.lit",
Id = "create2"
};
pIq.PubSub.Create = new Matrix.Xmpp.PubSub.Create();
pIq.PubSub.Configure = new Matrix.Xmpp.PubSub.Configure();
pIq.ShouldBe(Resource.Get("Xmpp.PubSub.publish_iq2.xml"));
}
public void TestBuildPubSubIq1()
{
PubSubIq pIq = new PubSubIq
{
Type = Matrix.Xmpp.IqType.Result,
From = "pubsub.shakespeare.lit",
To = "[email protected]/elsinore",
Id = "create2",
PubSub = { Create = new Matrix.Xmpp.PubSub.Create {
Node = "25e3d37dabbab9541f7523321421edc5bfeb2dae"
} }
};
pIq.ShouldBe(Resource.Get("Xmpp.PubSub.publish_iq1.xml"));
}
public static Iq CreatePublishNicknameStanza(string nickname)
{
var pIq = new PubSubIq {
Type = IqType.Set
};
var publish = new Publish {
Node = Namespaces.Nick
};
var item = new Item();
item.Add(new Nick(nickname));
publish.AddItem(item);
pIq.PubSub.Publish = publish;
return(pIq);
}
public static Iq CreateRequestAvatarStanza(Jid to, string id)
{
var pIq = new PubSubIq
{
To = to,
Type = IqType.Get
};
var items = new Items
{
Node = Namespaces.AvatarData
};
items.AddItem(new Item {
Id = id
});
pIq.PubSub.Items = items;
return(pIq);
}
public static Iq PublishItems(Jid to, string node, Item[] items)
{
var pIq = new PubSubIq
{
To = to,
Type = IqType.Set,
};
var publish = new Publish {
Node = node
};
foreach (var item in items)
{
publish.AddItem(item);
}
pIq.PubSub.Publish = publish;
return(pIq);
}
public static Iq CreatePublishAvatarDataStanza(byte[] avatarBytes)
{
/*
* <iq type='set' from='[email protected]/chamber' id='publish1'>
* <pubsub xmlns='http://jabber.org/protocol/pubsub'>
* <publish node='urn:xmpp:avatar:data'>
* <item id='111f4b3c50d7b0df729d299bc6f8e9ef9066971f'>
* <data xmlns='urn:xmpp:avatar:data'>
* qANQR1DBwU4DX7jmYZnncm...
* </data>
* </item>
* </publish>
* </pubsub>
* </iq>
*
*/
var pIq = new PubSubIq {
Type = IqType.Set
};
var publish = new Publish {
Node = Namespaces.AvatarData
};
var item = new Item {
Id = Hash.Sha1HashHex(avatarBytes)
};
item.Add(
new Data {
Bytes = avatarBytes
}
);
publish.AddItem(item);
pIq.PubSub.Publish = publish;
return(pIq);
}
/// <summary>
/// Retracts the items stanza.
/// </summary>
/// <param name="to">To.</param>
/// <param name="node">The node.</param>
/// <param name="itemIds">The item ids.</param>
/// <returns></returns>
public static Iq RetractItems(Jid to, string node, string[] itemIds)
{
var pIq = new PubSubIq
{
To = to,
Type = IqType.Set
};
var retract = new Retract {
Node = node
};
foreach (var item in itemIds)
{
retract.AddItem(new Item {
Id = item
});
}
pIq.PubSub.Retract = retract;
return(pIq);
}
public static Iq CreatePublishAvatarMetadataStanza(byte[] avatarBytes, int height, int width, string contentType)
{
/*
* <iq type='set' from='[email protected]/chamber' id='publish1'>
* <pubsub xmlns='http://jabber.org/protocol/pubsub'>
* <publish node='urn:xmpp:avatar:data'>
* <item id='111f4b3c50d7b0df729d299bc6f8e9ef9066971f'>
* <data xmlns='urn:xmpp:avatar:data'>
* qANQR1DBwU4DX7jmYZnncm...
* </data>
* </item>
* </publish>
* </pubsub>
* </iq>
*
* <iq type='set' from='[email protected]/chamber' id='publish2'>
* <pubsub xmlns='http://jabber.org/protocol/pubsub'>
* <publish node='urn:xmpp:avatar:metadata'>
* <item id='111f4b3c50d7b0df729d299bc6f8e9ef9066971f'>
* <metadata xmlns='urn:xmpp:avatar:metadata'>
* <info bytes='12345'
* id='111f4b3c50d7b0df729d299bc6f8e9ef9066971f'
* height='64'
* type='image/png'
* width='64'/>
* </metadata>
* </item>
* </publish>
* </pubsub>
* </iq>
*/
var pIq = new PubSubIq {
Type = IqType.Set
};
// publish tag
var publish = new Publish {
Node = Namespaces.AvatarMetadata
};
// metadata Tag including the info child
var metaData = new Metadata()
{
Info = new Info
{
CountBytes = avatarBytes.Length,
Id = Hash.Sha1HashHex(avatarBytes),
Height = height,
Width = width,
Type = contentType
}
};
var item = new Item {
Id = metaData.Info.Id
};
item.Add(metaData);
publish.AddItem(item);
pIq.PubSub.Publish = publish;
return(pIq);
}
