diff options
Diffstat (limited to 'plugins/mod_pubsub.lua')
| -rw-r--r-- | plugins/mod_pubsub.lua | 463 |
1 files changed, 0 insertions, 463 deletions
diff --git a/plugins/mod_pubsub.lua b/plugins/mod_pubsub.lua deleted file mode 100644 index 04f2b615..00000000 --- a/plugins/mod_pubsub.lua +++ /dev/null @@ -1,463 +0,0 @@ -local pubsub = require "util.pubsub"; -local st = require "util.stanza"; -local jid_bare = require "util.jid".bare; -local uuid_generate = require "util.uuid".generate; -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 handlers = {}; - -function handle_pubsub_iq(event) - 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); - return true; - end -end - -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"] = { "auth", "forbidden" }; -}; -function pubsub_error_reply(stanza, error) - local e = pubsub_errors[error]; - local reply = st.error_reply(stanza, unpack(e, 1, 3)); - if e[4] then - reply:tag(e[4], { xmlns = xmlns_pubsub_errors }):up(); - end - return reply; -end - -function handlers.get_items(origin, stanza, items) - 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(results) do - data:add_child(entry); - end - local reply; - if data then - reply = st.reply(stanza) - :tag("pubsub", { xmlns = xmlns_pubsub }) - :add_child(data); - else - reply = pubsub_error_reply(stanza, "item-not-found"); - end - 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; - if node then - ok, ret = service:create(node, stanza.attr.from); - if ok then - reply = st.reply(stanza); - else - reply = pubsub_error_reply(stanza, ret); - end - else - repeat - node = uuid_generate(); - ok, ret = service:create(node, stanza.attr.from); - 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 - -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 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 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) - :tag("pubsub", { xmlns = xmlns_pubsub }) - :tag("subscription", { - 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 - return origin.send(reply); -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); - 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 - reply = st.reply(stanza) - :tag("pubsub", { xmlns = xmlns_pubsub }) - :tag("publish", { node = node }) - :tag("item", { id = id }); - else - reply = pubsub_error_reply(stanza, ret); - end - return origin.send(reply); -end - -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(kind, { node = node }) - :add_child(item); - for jid in pairs(jids) do - module:log("debug", "Sending notification to %s", jid); - message.attr.to = jid; - module:send(message); - end -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" }; - 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; -})); |