local st = require "util.stanza";
local jid_bare = require "util.jid".bare;
local uuid_generate = require "util.uuid".generate;
-
-require "core.modulemanager".load(module.host, "iq");
+local usermanager = require "core.usermanager";
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 xmlns_pubsub_owner = "http://jabber.org/protocol/pubsub#owner";
+
+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 pubsub_disco_name = module:get_option("name");
+if type(pubsub_disco_name) ~= "string" then pubsub_disco_name = "Prosody PubSub Service"; end
local service;
local origin, stanza = event.origin, event.stanza;
local pubsub = stanza.tags[1];
local action = pubsub.tags[1];
+ if not action then
+ return origin.send(st.error_reply(stanza, "cancel", "bad-request"));
+ end
local handler = handlers[stanza.attr.type.."_"..action.name];
if handler then
handler(origin, stanza, action);
local pubsub_errors = {
["conflict"] = { "cancel", "conflict" };
["invalid-jid"] = { "modify", "bad-request", nil, "invalid-jid" };
+ ["jid-required"] = { "modify", "bad-request", nil, "jid-required" };
+ ["nodeid-required"] = { "modify", "bad-request", nil, "nodeid-required" };
["item-not-found"] = { "cancel", "item-not-found" };
+ ["not-subscribed"] = { "modify", "unexpected-request", nil, "not-subscribed" };
+ ["forbidden"] = { "cancel", "forbidden" };
};
function pubsub_error_reply(stanza, error)
local e = pubsub_errors[error];
local node = items.attr.node;
local item = items:get_child("item");
local id = item and item.attr.id;
+
+ if not node then
+ return origin.send(pubsub_error_reply(stanza, "nodeid-required"));
+ end
+ 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
+ local reply;
if data then
reply = st.reply(stanza)
:tag("pubsub", { xmlns = xmlns_pubsub })
return origin.send(reply);
end
+function handlers.get_subscriptions(origin, stanza, subscriptions)
+ local node = subscriptions.attr.node;
+ if not node then
+ return origin.send(pubsub_error_reply(stanza, "nodeid-required"));
+ end
+ 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
- origin.send(reply);
+ return origin.send(reply);
+end
+
+function handlers.set_delete(origin, stanza, delete)
+ local node = delete.attr.node;
+
+ local reply, notifier;
+ if not node then
+ return origin.send(pubsub_error_reply(stanza, "nodeid-required"));
+ end
+ local ok, ret = service:delete(node, stanza.attr.from);
+ if ok then
+ reply = st.reply(stanza);
+ else
+ reply = pubsub_error_reply(stanza, ret);
+ end
+ return origin.send(reply);
end
function handlers.set_subscribe(origin, stanza, subscribe)
local node, jid = subscribe.attr.node, subscribe.attr.jid;
- if jid_bare(jid) ~= jid_bare(stanza.attr.from) then
- return origin.send(pubsub_error_reply(stanza, "invalid-jid"));
+ if not (node and jid) then
+ return origin.send(pubsub_error_reply(stanza, jid and "nodeid-required" or "invalid-jid"));
+ end
+ --[[
+ local options_tag, options = stanza.tags[1]:get_child("options"), nil;
+ if options_tag then
+ options = options_form:data(options_tag.tags[1]);
end
- local ok, ret = service:add_subscription(node, stanza.attr.from, jid);
+ --]]
+ local options_tag, options; -- FIXME
+ local ok, ret = service:add_subscription(node, stanza.attr.from, jid, options);
local reply;
if ok then
reply = st.reply(stanza)
node = node,
jid = jid,
subscription = "subscribed"
- });
+ }):up();
+ if options_tag then
+ reply:add_child(options_tag);
+ end
+ else
+ reply = pubsub_error_reply(stanza, ret);
+ end
+ origin.send(reply);
+end
+
+function handlers.set_unsubscribe(origin, stanza, unsubscribe)
+ local node, jid = unsubscribe.attr.node, unsubscribe.attr.jid;
+ if not (node and jid) then
+ return origin.send(pubsub_error_reply(stanza, jid and "nodeid-required" or "invalid-jid"));
+ end
+ local ok, ret = service:remove_subscription(node, stanza.attr.from, jid);
+ local reply;
+ if ok then
+ reply = st.reply(stanza);
else
reply = pubsub_error_reply(stanza, ret);
end
function handlers.set_publish(origin, stanza, publish)
local node = publish.attr.node;
+ if not node then
+ return origin.send(pubsub_error_reply(stanza, "nodeid-required"));
+ end
local item = publish:get_child("item");
- local id = (item and item.attr.id) or uuid_generate();
+ local id = (item and item.attr.id);
+ if not id then
+ id = uuid_generate();
+ if item then
+ item.attr.id = id;
+ end
+ end
local ok, ret = service:publish(node, stanza.attr.from, id, item);
local reply;
if ok then
return origin.send(reply);
end
-function simple_broadcast(node, jids, item)
+function handlers.set_retract(origin, stanza, retract)
+ local node, notify = retract.attr.node, retract.attr.notify;
+ notify = (notify == "1") or (notify == "true");
+ local item = retract:get_child("item");
+ local id = item and item.attr.id
+ if not (node and id) then
+ return origin.send(pubsub_error_reply(stanza, node and "item-not-found" or "nodeid-required"));
+ end
+ local reply, notifier;
+ if notify then
+ notifier = st.stanza("retract", { id = id });
+ end
+ local ok, ret = service:retract(node, stanza.attr.from, id, notifier);
+ if ok then
+ reply = st.reply(stanza);
+ else
+ reply = pubsub_error_reply(stanza, ret);
+ end
+ return origin.send(reply);
+end
+
+function handlers.set_purge(origin, stanza, purge)
+ local node, notify = purge.attr.node, purge.attr.notify;
+ notify = (notify == "1") or (notify == "true");
+ local reply;
+ if not node then
+ return origin.send(pubsub_error_reply(stanza, "nodeid-required"));
+ end
+ local ok, ret = service:purge(node, stanza.attr.from, notify);
+ if ok then
+ reply = st.reply(stanza);
+ else
+ reply = pubsub_error_reply(stanza, ret);
+ end
+ return origin.send(reply);
+end
+
+function simple_broadcast(kind, node, jids, item)
+ if item then
+ item = st.clone(item);
+ item.attr.xmlns = nil; -- Clear the pubsub namespace
+ end
local message = st.message({ from = module.host, type = "headline" })
:tag("event", { xmlns = xmlns_pubsub_event })
- :tag("items", { node = node })
+ :tag(kind, { node = node })
:add_child(item);
for jid in pairs(jids) do
module:log("debug", "Sending notification to %s", jid);
message.attr.to = jid;
- core_post_stanza(hosts[module.host], message);
+ module:send(message);
end
end
-module:hook("iq/host/http://jabber.org/protocol/pubsub:pubsub", handle_pubsub_iq);
+module:hook("iq/host/"..xmlns_pubsub..":pubsub", handle_pubsub_iq);
+module:hook("iq/host/"..xmlns_pubsub_owner..":pubsub", handle_pubsub_iq);
-service = pubsub.new({
- broadcaster = simple_broadcast
-});
-module.environment.service = service;
+local disco_info;
+
+local feature_map = {
+ create = { "create-nodes", "instant-nodes", "item-ids" };
+ retract = { "delete-items", "retract-items" };
+ purge = { "purge-nodes" };
+ publish = { "publish", autocreate_on_publish and "auto-create" };
+ delete = { "delete-nodes" };
+ 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", 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);
+ 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(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);
+ end
+ return true;
+end);
+
+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)
+ 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;
+ };
+ };
+
+ autocreate_on_publish = autocreate_on_publish;
+ autocreate_on_subscribe = autocreate_on_subscribe;
+
+ broadcaster = simple_broadcast;
+ get_affiliation = get_affiliation;
+
+ normalize_jid = jid_bare;
+}));
projects / prosody.git / blobdiff