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using Gee;
namespace Xmpp.Xep.BitsOfBinary {
public const string NS_URI = "urn:xmpp:bob";
public static HashMap<string, Bytes> known_bobs = null;
public class Module : XmppStreamModule {
public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>(NS_URI, "bits_of_binary");
private ReceivedPipelineListener received_pipeline_listener = new ReceivedPipelineListener();
public override void attach(XmppStream stream) {
known_bobs = new HashMap<string, Bytes>();
var message_module = stream.get_module(MessageModule.IDENTITY);
if (message_module != null) {
message_module.received_pipeline.connect(received_pipeline_listener);
}
stream.received_iq_stanza.connect(on_received_iq_stanza);
}
public override void detach(XmppStream stream) {
var message_module = stream.get_module(MessageModule.IDENTITY);
if (message_module != null) {
message_module.received_pipeline.disconnect(received_pipeline_listener);
}
stream.received_iq_stanza.disconnect(on_received_iq_stanza);
}
private async void on_received_iq_stanza(XmppStream stream, StanzaNode node) {
if (node.sub_nodes == null || node.sub_nodes.size == 0) return;
Gee.List<StanzaNode> data_nodes = node.sub_nodes[0].get_subnodes("data", NS_URI);
foreach (var data_node in data_nodes) {
string cid = data_node.get_attribute("cid", NS_URI);
if (cid == null) continue;
known_bobs[cid] = new Bytes.take(Base64.decode(data_node.get_string_content()));
}
}
public override string get_ns() { return NS_URI; }
public override string get_id() { return IDENTITY.id; }
}
public class ReceivedPipelineListener : StanzaListener<MessageStanza> {
private const string[] after_actions_const = {};
public override string action_group { get { return ""; } }
public override string[] after_actions { get { return after_actions_const; } }
public override async bool run(XmppStream stream, MessageStanza message) {
Gee.List<StanzaNode> data_nodes = message.stanza.get_subnodes("data", NS_URI);
foreach (var data_node in data_nodes) {
string cid = data_node.get_attribute("cid", NS_URI);
if (cid == null) continue;
known_bobs[cid] = new Bytes.take(Base64.decode(data_node.get_string_content()));
}
return false;
}
}
}
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