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public class Xmpp.StartTlsXmppStream : TlsXmppStream {
private const string TLS_NS_URI = "urn:ietf:params:xml:ns:xmpp-tls";
string host;
uint16 port;
TlsXmppStream.OnInvalidCertWrapper on_invalid_cert;
public StartTlsXmppStream(Jid remote, string host, uint16 port, TlsXmppStream.OnInvalidCertWrapper on_invalid_cert) {
base(remote);
this.host = host;
this.port = port;
this.on_invalid_cert = on_invalid_cert;
}
public override async void connect() throws IOError {
try {
SocketClient client = new SocketClient();
debug("Connecting to %s:%i (starttls)", host, port);
IOStream stream = yield client.connect_to_host_async(host, port, cancellable);
reset_stream(stream);
yield setup();
StanzaNode node = yield read();
var starttls_node = node.get_subnode("starttls", TLS_NS_URI);
if (starttls_node == null) {
warning("%s does not offer starttls", remote_name.to_string());
}
write(new StanzaNode.build("starttls", TLS_NS_URI).add_self_xmlns());
node = yield read();
if (node.ns_uri != TLS_NS_URI || node.name != "proceed") {
warning("Server did not 'proceed' starttls request");
}
try {
var identity = new NetworkService("xmpp-client", "tcp", remote_name.to_string());
var conn = TlsClientConnection.new(get_stream(), identity);
reset_stream(conn);
conn.accept_certificate.connect(on_invalid_certificate);
conn.accept_certificate.connect((cert, flags) => on_invalid_cert.func(cert, flags));
} catch (Error e) {
stderr.printf("Failed to start TLS: %s\n", e.message);
}
yield setup();
attach_negotation_modules();
} catch (IOError e) {
throw e;
} catch (Error e) {
throw new IOError.CONNECTION_REFUSED("Failed connecting to %s:%i (starttls): %s", host, port, e.message);
}
}
}
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