60 lines
2.7 KiB
Vala
60 lines
2.7 KiB
Vala
using Gdk;
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using Xmpp.Core;
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namespace Xmpp.Xep.MessageDeliveryReceipts {
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private const string NS_URI = "urn:xmpp:receipts";
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public class Module : XmppStreamModule {
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public const string ID = "0184_message_delivery_receipts";
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public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>(NS_URI, ID);
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public signal void receipt_received(XmppStream stream, string jid, string id);
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public override void attach(XmppStream stream) {
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ServiceDiscovery.Module.require(stream);
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Message.Module.require(stream);
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stream.get_module(ServiceDiscovery.Module.IDENTITY).add_feature(stream, NS_URI);
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stream.get_module(Message.Module.IDENTITY).received_message.connect(received_message);
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stream.get_module(Message.Module.IDENTITY).pre_send_message.connect(pre_send_message);
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}
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public override void detach(XmppStream stream) {
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stream.get_module(Message.Module.IDENTITY).received_message.disconnect(received_message);
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stream.get_module(Message.Module.IDENTITY).pre_send_message.disconnect(pre_send_message);
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}
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public static void require(XmppStream stream) {
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if (stream.get_module(IDENTITY) == null) stream.add_module(new Module());
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}
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public override string get_ns() { return NS_URI; }
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public override string get_id() { return ID; }
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private void received_message(XmppStream stream, Message.Stanza message) {
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StanzaNode? received_node = message.stanza.get_subnode("received", NS_URI);
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if (received_node != null) {
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receipt_received(stream, message.from, received_node.get_attribute("id", NS_URI));
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} else if (message.stanza.get_subnode("request", NS_URI) != null) {
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send_received(stream, message);
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}
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}
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private void send_received(XmppStream stream, Message.Stanza message) {
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Message.Stanza received_message = new Message.Stanza();
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received_message.to = message.from;
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received_message.stanza.put_node(new StanzaNode.build("received", NS_URI).add_self_xmlns().put_attribute("id", message.id));
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stream.get_module(Message.Module.IDENTITY).send_message(stream, received_message);
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}
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private void pre_send_message(XmppStream stream, Message.Stanza message) {
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StanzaNode? received_node = message.stanza.get_subnode("received", NS_URI);
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if (received_node != null) return;
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if (message.body == null) return;
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if (message.type_ == Message.Stanza.TYPE_GROUPCHAT) return;
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message.stanza.put_node(new StanzaNode.build("request", NS_URI).add_self_xmlns());
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}
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}
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}
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