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Add External Service Discovery (XEP-0215) support

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fiaxh 2021-03-20 12:41:59 +01:00
parent 5bd719a919
commit f328bf93fb
1 changed files with 49 additions and 0 deletions
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xmpp-vala/src/module/xep/0215_external_service_discovery.vala Normal file
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using Gee;
namespace Xmpp.Xep.ExternalServiceDiscovery {
private const string NS_URI = "urn:xmpp:extdisco:2";
public static async Gee.List<Service> request_services(XmppStream stream) {
Iq.Stanza request_iq = new Iq.Stanza.get((new StanzaNode.build("services", NS_URI)).add_self_xmlns()) { to=stream.remote_name };
Iq.Stanza response_iq = yield stream.get_module(Iq.Module.IDENTITY).send_iq_async(stream, request_iq);
ArrayList<Service> ret = new ArrayList<Service>();
if (response_iq.is_error()) return ret;
StanzaNode? services_node = response_iq.stanza.get_subnode("services", NS_URI);
if (services_node == null) return ret;
Gee.List<StanzaNode> service_nodes = services_node.get_subnodes("service", NS_URI);
foreach (StanzaNode service_node in service_nodes) {
Service service = new Service();
service.host = service_node.get_attribute("host", NS_URI);
string? port_str = service_node.get_attribute("port", NS_URI);
if (port_str != null) service.port = int.parse(port_str);
service.ty = service_node.get_attribute("type", NS_URI);
if (service.host == null || service.ty == null || port_str == null) continue;
service.username = service_node.get_attribute("username", NS_URI);
service.password = service_node.get_attribute("password", NS_URI);
service.transport = service_node.get_attribute("transport", NS_URI);
service.name = service_node.get_attribute("name", NS_URI);
string? restricted_str = service_node.get_attribute("restricted", NS_URI);
if (restricted_str != null) service.restricted = bool.parse(restricted_str);
ret.add(service);
}
return ret;
}
public class Service {
public string host { get; set; }
public uint port { get; set; }
public string ty { get; set; }
public string username { get; set; }
public string password { get; set; }
public string transport { get; set; }
public string name { get; set; }
public bool restricted { get; set; }
}
}