Merge 0.9->trunk
[prosody.git] / plugins / mod_pubsub / mod_pubsub.lua
index ad20c6a784c6afe4ff507e836a51031d394f01b3..81a66f8b6b8ed9dbb9fab5ad7798de7a164a37e5 100644 (file)
@@ -18,6 +18,10 @@ local lib_pubsub = module:require "pubsub";
 local handlers = lib_pubsub.handlers;
 local pubsub_error_reply = lib_pubsub.pubsub_error_reply;
 
+module:depends("disco");
+module:add_identity("pubsub", "service", pubsub_disco_name);
+module:add_feature("http://jabber.org/protocol/pubsub");
+
 function handle_pubsub_iq(event)
        local origin, stanza = event.origin, event.stanza;
        local pubsub = stanza.tags[1];
@@ -51,8 +55,6 @@ end
 module:hook("iq/host/"..xmlns_pubsub..":pubsub", handle_pubsub_iq);
 module:hook("iq/host/"..xmlns_pubsub_owner..":pubsub", handle_pubsub_iq);
 
-local disco_info;
-
 local feature_map = {
        create = { "create-nodes", "instant-nodes", "item-ids" };
        retract = { "delete-items", "retract-items" };
@@ -64,87 +66,59 @@ local feature_map = {
        get_subscriptions = { "retrieve-subscriptions" };
 };
 
-local function add_disco_features_from_service(disco, service)
+local function add_disco_features_from_service(service)
        for method, features in pairs(feature_map) do
                if service[method] then
                        for _, feature in ipairs(features) do
                                if feature then
-                                       disco:tag("feature", { var = xmlns_pubsub.."#"..feature }):up();
+                                       module:add_feature(xmlns_pubsub.."#"..feature);
                                end
                        end
                end
        end
        for affiliation in pairs(service.config.capabilities) do
                if affiliation ~= "none" and affiliation ~= "owner" then
-                       disco:tag("feature", { var = xmlns_pubsub.."#"..affiliation.."-affiliation" }):up();
+                       module:add_feature(xmlns_pubsub.."#"..affiliation.."-affiliation");
                end
        end
 end
 
-local function build_disco_info(service)
-       local disco_info = st.stanza("query", { xmlns = "http://jabber.org/protocol/disco#info" })
-               :tag("identity", { category = "pubsub", type = "service", name = pubsub_disco_name }):up()
-               :tag("feature", { var = "http://jabber.org/protocol/pubsub" }):up();
-       add_disco_features_from_service(disco_info, service);
-       return disco_info;
-end
-
-module:hook("iq-get/host/http://jabber.org/protocol/disco#info:query", function (event)
-       local origin, stanza = event.origin, event.stanza;
-       local node = stanza.tags[1].attr.node;
-       if not node then
-               return origin.send(st.reply(stanza):add_child(disco_info));
-       else
-               local ok, ret = service:get_nodes(stanza.attr.from);
-               if ok and not ret[node] then
-                       ok, ret = false, "item-not-found";
-               end
-               if not ok then
-                       return origin.send(pubsub_error_reply(stanza, ret));
-               end
-               local reply = st.reply(stanza)
-                       :tag("query", { xmlns = "http://jabber.org/protocol/disco#info", node = node })
-                               :tag("identity", { category = "pubsub", type = "leaf" });
-               return origin.send(reply);
+module:hook("host-disco-info-node", function (event)
+       local stanza, origin, reply, node = event.stanza, event.origin, event.reply, event.node;
+       local ok, ret = service:get_nodes(stanza.attr.from);
+       if ok and not ret[node] then
+               return;
        end
+       if not ok then
+               return origin.send(pubsub_error_reply(stanza, ret));
+       end
+       event.exists = true;
+       reply:tag("identity", { category = "pubsub", type = "leaf" });
 end);
 
-local function handle_disco_items_on_node(event)
-       local stanza, origin = event.stanza, event.origin;
-       local query = stanza.tags[1];
-       local node = query.attr.node;
+module:hook("host-disco-items-node", function (event)
+       local stanza, origin, reply, node = event.stanza, event.origin, event.reply, event.node;
        local ok, ret = service:get_items(node, stanza.attr.from);
        if not ok then
                return origin.send(pubsub_error_reply(stanza, ret));
        end
 
-       local reply = st.reply(stanza)
-               :tag("query", { xmlns = "http://jabber.org/protocol/disco#items", node = node });
-
        for id, item in pairs(ret) do
                reply:tag("item", { jid = module.host, name = id }):up();
        end
-
-       return origin.send(reply);
-end
+       event.exists = true;
+end);
 
 
-module:hook("iq-get/host/http://jabber.org/protocol/disco#items:query", function (event)
-       if event.stanza.tags[1].attr.node then
-               return handle_disco_items_on_node(event);
-       end
+module:hook("host-disco-items", function (event)
+       local stanza, origin, reply = event.stanza, event.origin, event.reply;
        local ok, ret = service:get_nodes(event.stanza.attr.from);
        if not ok then
-               event.origin.send(pubsub_error_reply(event.stanza, ret));
-       else
-               local reply = st.reply(event.stanza)
-                       :tag("query", { xmlns = "http://jabber.org/protocol/disco#items" });
-               for node, node_obj in pairs(ret) do
-                       reply:tag("item", { jid = module.host, node = node, name = node_obj.config.name }):up();
-               end
-               event.origin.send(reply);
+               return origin.send(pubsub_error_reply(event.stanza, ret));
+       end
+       for node, node_obj in pairs(ret) do
+               reply:tag("item", { jid = module.host, node = node, name = node_obj.config.name }):up();
        end
-       return true;
 end);
 
 local admin_aff = module:get_option_string("default_admin_affiliation", "owner");
@@ -158,7 +132,7 @@ end
 function set_service(new_service)
        service = new_service;
        module.environment.service = service;
-       disco_info = build_disco_info(service);
+       add_disco_features_from_service(service);
 end
 
 function module.save()
@@ -169,83 +143,87 @@ function module.restore(data)
        set_service(data.service);
 end
 
-set_service(pubsub.new({
-       capabilities = {
-               none = {
-                       create = false;
-                       publish = false;
-                       retract = false;
-                       get_nodes = true;
-
-                       subscribe = true;
-                       unsubscribe = true;
-                       get_subscription = true;
-                       get_subscriptions = true;
-                       get_items = true;
-
-                       subscribe_other = false;
-                       unsubscribe_other = false;
-                       get_subscription_other = false;
-                       get_subscriptions_other = false;
-
-                       be_subscribed = true;
-                       be_unsubscribed = true;
-
-                       set_affiliation = false;
-               };
-               publisher = {
-                       create = false;
-                       publish = true;
-                       retract = true;
-                       get_nodes = true;
-
-                       subscribe = true;
-                       unsubscribe = true;
-                       get_subscription = true;
-                       get_subscriptions = true;
-                       get_items = true;
-
-                       subscribe_other = false;
-                       unsubscribe_other = false;
-                       get_subscription_other = false;
-                       get_subscriptions_other = false;
-
-                       be_subscribed = true;
-                       be_unsubscribed = true;
-
-                       set_affiliation = false;
-               };
-               owner = {
-                       create = true;
-                       publish = true;
-                       retract = true;
-                       delete = true;
-                       get_nodes = true;
-
-                       subscribe = true;
-                       unsubscribe = true;
-                       get_subscription = true;
-                       get_subscriptions = true;
-                       get_items = true;
-
-
-                       subscribe_other = true;
-                       unsubscribe_other = true;
-                       get_subscription_other = true;
-                       get_subscriptions_other = true;
-
-                       be_subscribed = true;
-                       be_unsubscribed = true;
-
-                       set_affiliation = true;
+function module.load()
+       if module.reloading then return; end
+
+       set_service(pubsub.new({
+               capabilities = {
+                       none = {
+                               create = false;
+                               publish = false;
+                               retract = false;
+                               get_nodes = true;
+
+                               subscribe = true;
+                               unsubscribe = true;
+                               get_subscription = true;
+                               get_subscriptions = true;
+                               get_items = true;
+
+                               subscribe_other = false;
+                               unsubscribe_other = false;
+                               get_subscription_other = false;
+                               get_subscriptions_other = false;
+
+                               be_subscribed = true;
+                               be_unsubscribed = true;
+
+                               set_affiliation = false;
+                       };
+                       publisher = {
+                               create = false;
+                               publish = true;
+                               retract = true;
+                               get_nodes = true;
+
+                               subscribe = true;
+                               unsubscribe = true;
+                               get_subscription = true;
+                               get_subscriptions = true;
+                               get_items = true;
+
+                               subscribe_other = false;
+                               unsubscribe_other = false;
+                               get_subscription_other = false;
+                               get_subscriptions_other = false;
+
+                               be_subscribed = true;
+                               be_unsubscribed = true;
+
+                               set_affiliation = false;
+                       };
+                       owner = {
+                               create = true;
+                               publish = true;
+                               retract = true;
+                               delete = true;
+                               get_nodes = true;
+
+                               subscribe = true;
+                               unsubscribe = true;
+                               get_subscription = true;
+                               get_subscriptions = true;
+                               get_items = true;
+
+
+                               subscribe_other = true;
+                               unsubscribe_other = true;
+                               get_subscription_other = true;
+                               get_subscriptions_other = true;
+
+                               be_subscribed = true;
+                               be_unsubscribed = true;
+
+                               set_affiliation = true;
+                       };
                };
-       };
 
-       autocreate_on_publish = autocreate_on_publish;
-       autocreate_on_subscribe = autocreate_on_subscribe;
+               autocreate_on_publish = autocreate_on_publish;
+               autocreate_on_subscribe = autocreate_on_subscribe;
 
-       broadcaster = simple_broadcast;
-       get_affiliation = get_affiliation;
+               broadcaster = simple_broadcast;
+               get_affiliation = get_affiliation;
 
-       normalize_jid = jid_bare;
-}));
+               normalize_jid = jid_bare;
+       }));
+end