Add support for message moderation and retraction

1 files changed, 19 insertions, 0 deletions

diff --git a/xmpp-vala/src/module/xep/0425_message_moderation.vala b/xmpp-vala/src/module/xep/0425_message_moderation.vala
new file mode 100644
index 00000000..80fab905
--- /dev/null
+++ b/xmpp-vala/src/module/xep/0425_message_moderation.vala
@@ -0,0 +1,19 @@
+namespace Xmpp.Xep.MessageModeration {
+
+    public const string NS_URI = "urn:xmpp:message-moderate:1";
+
+
+    /**
+     * @return whether the moderation was successful
+     */
+    public static async bool moderate(XmppStream stream, Jid muc_jid, string message_id) {
+        StanzaNode moderate_node = new StanzaNode.build("moderate", NS_URI)
+                .add_self_xmlns()
+                .put_attribute("id", message_id)
+                .put_node(new StanzaNode.build("retract", Xep.MessageRetraction.NS_URI).add_self_xmlns());
+        Iq.Stanza iq = new Iq.Stanza.set(moderate_node) { to = muc_jid };
+
+        Iq.Stanza result_stanza = yield stream.get_module(Iq.Module.IDENTITY).send_iq_async(stream, iq);
+        return !result_stanza.is_error();
+    }
+}
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