X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_pubsub.lua;h=b8f7a882ccaf43ce86368899af6fca0794e56a87;hb=0ba1be1015d883c8dc6d1eed2ec84114af09ef6f;hp=0644001f958df3eec378e52d87906c5431e8a2da;hpb=b21c9dfdfa30f78beae283ae8369c39bd2ff8648;p=prosody.git

diff --git a/plugins/mod_pubsub.lua b/plugins/mod_pubsub.lua
index 0644001f..b8f7a882 100644
--- a/plugins/mod_pubsub.lua
+++ b/plugins/mod_pubsub.lua
@@ -3,12 +3,13 @@ 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 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 = {};
@@ -29,6 +30,7 @@ local pubsub_errors = {
 	["invalid-jid"] = { "modify", "bad-request", nil, "invalid-jid" };
 	["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];
@@ -43,8 +45,14 @@ 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;
+	
+	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
@@ -57,6 +65,21 @@ function handlers.get_items(origin, stanza, items)
 	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;
@@ -71,10 +94,14 @@ function handlers.set_create(origin, stanza, create)
 		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
@@ -151,6 +178,8 @@ function handlers.set_retract(origin, stanza, retract)
 end
 
 function simple_broadcast(node, jids, item)
+	item = st.clone(item);
+	item.attr.xmlns = nil; -- Clear the pubsub namespace
 	local message = st.message({ from = module.host, type = "headline" })
 		:tag("event", { xmlns = xmlns_pubsub_event })
 			:tag("items", { node = node })
@@ -164,8 +193,176 @@ end
 
 module:hook("iq/host/http://jabber.org/protocol/pubsub:pubsub", handle_pubsub_iq);
 
-service = pubsub.new({
-	broadcaster = simple_broadcast
-});
-module.environment.service = service;
+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)
+	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));
+	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;
+		};
+		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;
+}));