From 220a98b0bec73de7a60d334191b8d86059d4b262 Mon Sep 17 00:00:00 2001
From: Florian Zeitz <florob@babelmonkeys.de>
Date: Wed, 24 Jul 2013 22:58:44 +0200
Subject: mod_adhoc: Use mod_disco for disco handling

---
 plugins/adhoc/mod_adhoc.lua | 91 +++++++++++++++++++--------------------------
 1 file changed, 39 insertions(+), 52 deletions(-)

(limited to 'plugins/adhoc')

diff --git a/plugins/adhoc/mod_adhoc.lua b/plugins/adhoc/mod_adhoc.lua
index 73744969..683d5870 100644
--- a/plugins/adhoc/mod_adhoc.lua
+++ b/plugins/adhoc/mod_adhoc.lua
@@ -11,68 +11,55 @@ local array_collect = require "util.array".collect;
 local is_admin = require "core.usermanager".is_admin;
 local adhoc_handle_cmd = module:require "adhoc".handle_cmd;
 local xmlns_cmd = "http://jabber.org/protocol/commands";
-local xmlns_disco = "http://jabber.org/protocol/disco";
 local commands = {};
 
 module:add_feature(xmlns_cmd);
 
-module:hook("iq/host/"..xmlns_disco.."#info:query", function (event)
-	local origin, stanza = event.origin, event.stanza;
-	local node = stanza.tags[1].attr.node;
-	if stanza.attr.type == "get" and node then
-		if commands[node] then
-			local privileged = is_admin(stanza.attr.from, stanza.attr.to);
-			if (commands[node].permission == "admin" and privileged)
-			    or (commands[node].permission == "user") then
-				reply = st.reply(stanza);
-				reply:tag("query", { xmlns = xmlns_disco.."#info",
-				    node = node });
-				reply:tag("identity", { name = commands[node].name,
-				    category = "automation", type = "command-node" }):up();
-				reply:tag("feature", { var = xmlns_cmd }):up();
-				reply:tag("feature", { var = "jabber:x:data" }):up();
-			else
-				reply = st.error_reply(stanza, "auth", "forbidden", "This item is not available to you");
-			end
-			origin.send(reply);
-			return true;
-		elseif node == xmlns_cmd then
-			reply = st.reply(stanza);
-			reply:tag("query", { xmlns = xmlns_disco.."#info",
-			    node = node });
-			reply:tag("identity", { name = "Ad-Hoc Commands",
-			    category = "automation", type = "command-list" }):up();
-			origin.send(reply);
-			return true;
-
+module:hook("host-disco-info-node", function (event)
+	local stanza, origin, reply, node = event.stanza, event.origin, event.reply, event.node;
+	if commands[node] then
+		local privileged = is_admin(stanza.attr.from, stanza.attr.to);
+		local global_admin = is_admin(stanza.attr.from);
+		local command = commands[node];
+		if (command.permission == "admin" and privileged)
+		    or (command.permission == "global_admin" and global_admin)
+		    or (command.permission == "user") then
+			reply:tag("identity", { name = command.name,
+			    category = "automation", type = "command-node" }):up();
+			reply:tag("feature", { var = xmlns_cmd }):up();
+			reply:tag("feature", { var = "jabber:x:data" }):up();
+			event.exists = true;
+		else
+			return origin.send(st.error_reply(stanza, "auth", "forbidden", "This item is not available to you"));
 		end
+	elseif node == xmlns_cmd then
+		reply:tag("identity", { name = "Ad-Hoc Commands",
+		    category = "automation", type = "command-list" }):up();
+		    event.exists = true;
 	end
 end);
 
-module:hook("iq/host/"..xmlns_disco.."#items:query", function (event)
-	local origin, stanza = event.origin, event.stanza;
-	if stanza.attr.type == "get" and stanza.tags[1].attr.node
-	    and stanza.tags[1].attr.node == xmlns_cmd then
-		local admin = is_admin(stanza.attr.from, stanza.attr.to);
-		local global_admin = is_admin(stanza.attr.from);
-		reply = st.reply(stanza);
-		reply:tag("query", { xmlns = xmlns_disco.."#items",
-		    node = xmlns_cmd });
-		local nodes = array_collect(keys(commands)):sort();
-		for _, node in ipairs(nodes) do
-			local command = commands[node];
-			if (command.permission == "admin" and admin)
-			    or (command.permission == "global_admin" and global_admin)
-			    or (command.permission == "user") then
-				reply:tag("item", { name = command.name,
-				    node = node, jid = module:get_host() });
-				reply:up();
-			end
+module:hook("host-disco-items-node", function (event)
+	local stanza, origin, reply, node = event.stanza, event.origin, event.reply, event.node;
+	if node ~= xmlns_cmd then
+		return;
+	end
+
+	local admin = is_admin(stanza.attr.from, stanza.attr.to);
+	local global_admin = is_admin(stanza.attr.from);
+	local nodes = array_collect(keys(commands)):sort();
+	for _, node in ipairs(nodes) do
+		local command = commands[node];
+		if (command.permission == "admin" and admin)
+		    or (command.permission == "global_admin" and global_admin)
+		    or (command.permission == "user") then
+			reply:tag("item", { name = command.name,
+			    node = node, jid = module:get_host() });
+			reply:up();
 		end
-		origin.send(reply);
-		return true;
 	end
-end, 500);
+	event.exists = true;
+end);
 
 module:hook("iq/host/"..xmlns_cmd..":command", function (event)
 	local origin, stanza = event.origin, event.stanza;
-- 
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