From b29d52fddae832d275e66dbd1b494e06ce11d0da Mon Sep 17 00:00:00 2001
From: fiaxh <git@mx.ax.lt>
Date: Wed, 9 Aug 2017 20:44:15 +0200
Subject: SRV records for XMPP over TLS

---
 xmpp-vala/src/module/tls.vala                      |  2 +-
 xmpp-vala/src/module/xep/0333_chat_markers.vala    |  2 +-
 xmpp-vala/src/module/xep/0368_srv_records_tls.vala | 53 ++++++++++++++++++++++
 3 files changed, 55 insertions(+), 2 deletions(-)
 create mode 100644 xmpp-vala/src/module/xep/0368_srv_records_tls.vala

(limited to 'xmpp-vala/src/module')

diff --git a/xmpp-vala/src/module/tls.vala b/xmpp-vala/src/module/tls.vala
index 8cc7ad16..dd4fd82d 100644
--- a/xmpp-vala/src/module/tls.vala
+++ b/xmpp-vala/src/module/tls.vala
@@ -81,7 +81,7 @@ namespace Xmpp.Tls {
     public class Flag : XmppStreamFlag {
         public static FlagIdentity<Flag> IDENTITY = new FlagIdentity<Flag>(NS_URI, "tls");
         public TlsCertificate? peer_certificate;
-        public bool finished = false;
+        public bool finished { get; set; default=false; }
 
         public override string get_ns() { return NS_URI; }
         public override string get_id() { return IDENTITY.id; }
diff --git a/xmpp-vala/src/module/xep/0333_chat_markers.vala b/xmpp-vala/src/module/xep/0333_chat_markers.vala
index 11817a22..9c1b9c74 100644
--- a/xmpp-vala/src/module/xep/0333_chat_markers.vala
+++ b/xmpp-vala/src/module/xep/0333_chat_markers.vala
@@ -45,7 +45,7 @@ public class Module : XmppStreamModule {
     }
 
     public static void require(XmppStream stream) {
-        if (stream.get_module(IDENTITY) == null) stream.add_module(new ChatMarkers.Module());
+        if (stream.get_module(IDENTITY) == null) stream.add_module(new Module());
     }
 
     public override string get_ns() { return NS_URI; }
diff --git a/xmpp-vala/src/module/xep/0368_srv_records_tls.vala b/xmpp-vala/src/module/xep/0368_srv_records_tls.vala
new file mode 100644
index 00000000..da70b513
--- /dev/null
+++ b/xmpp-vala/src/module/xep/0368_srv_records_tls.vala
@@ -0,0 +1,53 @@
+using Gee;
+
+using Xmpp.Core;
+
+namespace Xmpp.Xep.SrvRecordsTls {
+
+public class Module : XmppStreamNegotiationModule {
+    public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>("", "0363_srv_records_for_xmpp_over_tls");
+
+    public override void attach(XmppStream stream) {
+        stream.register_connection_provider(new TlsConnectionProvider());
+    }
+
+    public override void detach(XmppStream stream) { }
+
+    public static void require(XmppStream stream) {
+        if (stream.get_module(IDENTITY) == null) stream.add_module(new Module());
+    }
+
+    public override bool mandatory_outstanding(XmppStream stream) { return false; }
+    public override bool negotiation_active(XmppStream stream) { return false; }
+    public override string get_ns() { return IDENTITY.ns; }
+    public override string get_id() { return IDENTITY.id; }
+}
+
+public class TlsConnectionProvider : ConnectionProvider {
+    private SrvTarget? srv_target;
+
+    public override int? get_priority(string remote_name) {
+        GLib.List<SrvTarget>? xmpp_target = null;
+        try {
+            Resolver resolver = Resolver.get_default();
+            xmpp_target = resolver.lookup_service("xmpps-client", "tcp", remote_name, null);
+        } catch (Error e) {
+            return null;
+        }
+        xmpp_target.sort((a, b) => { return a.get_priority() - b.get_priority(); });
+        srv_target = xmpp_target.nth(0).data;
+        return xmpp_target.nth(0).data.get_priority();
+    }
+
+    public override IOStream? connect(XmppStream stream) {
+        SocketClient client = new SocketClient();
+        IOStream? io_stream = client.connect_to_host(srv_target.get_hostname(), srv_target.get_port());
+        io_stream = TlsClientConnection.new(io_stream, new NetworkAddress(srv_target.get_hostname(), srv_target.get_port()));
+        stream.add_flag(new Tls.Flag() { finished=true });
+        return io_stream;
+    }
+
+    public override string get_id() { return "start_tls"; }
+}
+
+}
-- 
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