local jid_bare = require "util.jid".bare;
local uuid_generate = require "util.uuid".generate;
-require "core.modulemanager".load(module.host, "iq");
-
local xmlns_pubsub = "http://jabber.org/protocol/pubsub";
local xmlns_pubsub_errors = "http://jabber.org/protocol/pubsub#errors";
local xmlns_pubsub_event = "http://jabber.org/protocol/pubsub#event";
+local autocreate_on_publish = module:get_option_boolean("autocreate_on_publish", false);
+local autocreate_on_subscribe = module:get_option_boolean("autocreate_on_subscribe", false);
+
local service;
local handlers = {};
local node = items.attr.node;
local item = items:get_child("item");
local id = item and item.attr.id;
+
+ local ok, results = service:get_items(node, stanza.attr.from, id);
+ if not ok then
+ return origin.send(pubsub_error_reply(stanza, results));
+ end
+
local data = st.stanza("items", { node = node });
- for _, entry in pairs(service:get(node, stanza.attr.from, id)) do
+ for _, entry in pairs(results) do
data:add_child(entry);
end
if data then
return origin.send(reply);
end
+function handlers.get_subscriptions(origin, stanza, subscriptions)
+ local node = subscriptions.attr.node;
+ local ok, ret = service:get_subscriptions(node, stanza.attr.from, stanza.attr.from);
+ if not ok then
+ return origin.send(pubsub_error_reply(stanza, ret));
+ end
+ local reply = st.reply(stanza)
+ :tag("pubsub", { xmlns = xmlns_pubsub })
+ :tag("subscriptions");
+ for _, sub in ipairs(ret) do
+ reply:tag("subscription", { node = sub.node, jid = sub.jid, subscription = 'subscribed' }):up();
+ end
+ return origin.send(reply);
+end
+
function handlers.set_create(origin, stanza, create)
local node = create.attr.node;
local ok, ret, reply;
repeat
node = uuid_generate();
ok, ret = service:create(node, stanza.attr.from);
- until ok;
- reply = st.reply(stanza)
- :tag("pubsub", { xmlns = xmlns_pubsub })
- :tag("create", { node = node });
+ until ok or ret ~= "conflict";
+ if ok then
+ reply = st.reply(stanza)
+ :tag("pubsub", { xmlns = xmlns_pubsub })
+ :tag("create", { node = node });
+ else
+ reply = pubsub_error_reply(stanza, ret);
+ end
end
return origin.send(reply);
end
module:hook("iq/host/http://jabber.org/protocol/pubsub:pubsub", handle_pubsub_iq);
-local disco_info = st.stanza("query", { xmlns = "http://jabber.org/protocol/disco#info" })
- :tag("identity", { category = "pubsub", type = "service" }):up()
- :tag("feature", { var = "http://jabber.org/protocol/pubsub" }):up();
+local disco_info;
+
+local feature_map = {
+ create = { "create-nodes", autocreate_on_publish and "instant-nodes", "item-ids" };
+ retract = { "delete-items", "retract-items" };
+ publish = { "publish" };
+ get_items = { "retrieve-items" };
+ add_subscription = { "subscribe" };
+ get_subscriptions = { "retrieve-subscriptions" };
+};
+
+local function add_disco_features_from_service(disco, 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();
+ 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();
+ 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" }):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)
- event.origin.send(st.reply(event.stanza):add_child(disco_info));
- return true;
+ 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);
+ end
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;
+ 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
+
+
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
local ok, ret = service:get_nodes(event.stanza.attr.from);
if not ok then
event.origin.send(pubsub_error_reply(stanza, ret));
return true;
end);
-service = pubsub.new({
- broadcaster = simple_broadcast
-});
-module.environment.service = service;
+local admin_aff = module:get_option_string("default_admin_affiliation", "owner");
+local function get_affiliation(jid)
+ local bare_jid = jid_bare(jid);
+ if bare_jid == module.host or usermanager.is_admin(bare_jid, module.host) then
+ return admin_aff;
+ end
+end
+
+function set_service(new_service)
+ service = new_service;
+ module.environment.service = service;
+ disco_info = build_disco_info(service);
+end
function module.save()
return { service = service };
end
function module.restore(data)
- service = data.service;
- module.environment.service = service;
+ 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;
+ };
+ owner = {
+ create = true;
+ publish = true;
+ retract = 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;
+
+ broadcaster = simple_broadcast;
+ get_affiliation = get_affiliation;
+
+ normalize_jid = jid_bare;
+}));