Diff

--- a/plugins/mod_pep_plus.lua	Wed Aug 01 10:26:08 2018 +0100
+++ b/plugins/mod_pep_plus.lua	Wed Aug 01 19:08:09 2018 +0100
@@ -1,498 +1,2 @@
-local pubsub = require "util.pubsub";
-local jid_bare = require "util.jid".bare;
-local jid_split = require "util.jid".split;
-local jid_join = require "util.jid".join;
-local set_new = require "util.set".new;
-local st = require "util.stanza";
-local calculate_hash = require "util.caps".calculate_hash;
-local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed;
-local cache = require "util.cache";
-local set = require "util.set";
-
-local xmlns_pubsub = "http://jabber.org/protocol/pubsub";
-local xmlns_pubsub_event = "http://jabber.org/protocol/pubsub#event";
-local xmlns_pubsub_owner = "http://jabber.org/protocol/pubsub#owner";
-
-local lib_pubsub = module:require "pubsub";
-
-local empty_set = set_new();
-
-local services = {};
-local recipients = {};
-local hash_map = {};
-
-local host = module.host;
-
-local node_config = module:open_store("pep", "map");
-local known_nodes = module:open_store("pep");
-
-function module.save()
-	return { services = services };
-end
-
-function module.restore(data)
-	services = data.services;
-end
-
-function is_item_stanza(item)
-	return st.is_stanza(item) and item.attr.xmlns == xmlns_pubsub and item.name == "item";
-end
-
-local function subscription_presence(username, recipient)
-	local user_bare = jid_join(username, host);
-	local recipient_bare = jid_bare(recipient);
-	if (recipient_bare == user_bare) then return true; end
-	return is_contact_subscribed(username, host, recipient_bare);
-end
-
-local function nodestore(username)
-	-- luacheck: ignore 212/self
-	local store = {};
-	function store:get(node)
-		local data, err = node_config:get(username, node)
-		if data == true then
-			-- COMPAT Previously stored only a boolean representing 'persist_items'
-			data = {
-				name = node;
-				config = {};
-				subscribers = {};
-				affiliations = {};
-			};
-		end
-		return data, err;
-	end
-	function store:set(node, data)
-		if data then
-			-- Save the data without subscriptions
-			-- TODO Save explicit subscriptions maybe?
-			data = {
-				name = data.name;
-				config = data.config;
-				affiliations = data.affiliations;
-				subscribers = {};
-			};
-		end
-		return node_config:set(username, node, data);
-	end
-	function store:users()
-		return pairs(known_nodes:get(username) or {});
-	end
-	return store;
-end
-
-local function simple_itemstore(username)
-	return function (config, node)
-		if config["persist_items"] then
-			module:log("debug", "Creating new persistent item store for user %s, node %q", username, node);
-			local archive = module:open_store("pep_"..node, "archive");
-			return lib_pubsub.archive_itemstore(archive, config, username, node, false);
-		else
-			module:log("debug", "Creating new ephemeral item store for user %s, node %q", username, node);
-			return cache.new(tonumber(config["max_items"]));
-		end
-	end
-end
-
-local function get_broadcaster(username)
-	local user_bare = jid_join(username, host);
-	local function simple_broadcast(kind, node, jids, item)
-		local message = st.message({ from = user_bare, type = "headline" })
-			:tag("event", { xmlns = xmlns_pubsub_event })
-				:tag(kind, { node = node });
-		if item then
-			item = st.clone(item);
-			item.attr.xmlns = nil; -- Clear the pubsub namespace
-			message:add_child(item);
-		end
-		for jid in pairs(jids) do
-			module:log("debug", "Sending notification to %s from %s: %s", jid, user_bare, tostring(item));
-			message.attr.to = jid;
-			module:send(message);
-		end
-	end
-	return simple_broadcast;
-end
-
-function get_pep_service(username)
-	module:log("debug", "get_pep_service(%q)", username);
-	local user_bare = jid_join(username, host);
-	local service = services[username];
-	if service then
-		return service;
-	end
-	service = pubsub.new({
-		capabilities = {
-			none = {
-				create = false;
-				publish = false;
-				retract = false;
-				get_nodes = false;
-
-				subscribe = false;
-				unsubscribe = false;
-				get_subscription = false;
-				get_subscriptions = false;
-				get_items = false;
-
-				subscribe_other = false;
-				unsubscribe_other = false;
-				get_subscription_other = false;
-				get_subscriptions_other = false;
-
-				be_subscribed = true;
-				be_unsubscribed = true;
-
-				set_affiliation = false;
-			};
-			subscriber = {
-				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;
-				configure = 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;
-			};
-		};
-
-		node_defaults = {
-			["max_items"] = 1;
-			["persist_items"] = true;
-		};
-
-		autocreate_on_publish = true;
-		autocreate_on_subscribe = true;
-
-		nodestore = nodestore(username);
-		itemstore = simple_itemstore(username);
-		broadcaster = get_broadcaster(username);
-		itemcheck = is_item_stanza;
-		get_affiliation = function (jid)
-			if jid_bare(jid) == user_bare then
-				return "owner";
-			elseif subscription_presence(username, jid) then
-				return "subscriber";
-			end
-		end;
-
-		normalize_jid = jid_bare;
-	});
-	local nodes, err = known_nodes:get(username);
-	if nodes then
-		module:log("debug", "Restoring nodes for user %s", username);
-		for node in pairs(nodes) do
-			module:log("debug", "Restoring node %q", node);
-			service:create(node, true);
-		end
-	elseif err then
-		module:log("error", "Could not restore nodes for %s: %s", username, err);
-	else
-		module:log("debug", "No known nodes");
-	end
-	services[username] = service;
-	module:add_item("pep-service", { service = service, jid = user_bare });
-	return service;
-end
-
-function handle_pubsub_iq(event)
-	local origin, stanza = event.origin, event.stanza;
-	local service_name = origin.username;
-	if stanza.attr.to ~= nil then
-		service_name = jid_split(stanza.attr.to);
-	end
-	local service = get_pep_service(service_name);
-
-	return lib_pubsub.handle_pubsub_iq(event, service)
-end
-
-module:hook("iq/bare/"..xmlns_pubsub..":pubsub", handle_pubsub_iq);
-module:hook("iq/bare/"..xmlns_pubsub_owner..":pubsub", handle_pubsub_iq);
-
-module:add_identity("pubsub", "pep", module:get_option_string("name", "Prosody"));
-module:add_feature("http://jabber.org/protocol/pubsub#publish");
-
-local function get_caps_hash_from_presence(stanza, current)
-	local t = stanza.attr.type;
-	if not t then
-		local child = stanza:get_child("c", "http://jabber.org/protocol/caps");
-		if child then
-			local attr = child.attr;
-			if attr.hash then -- new caps
-				if attr.hash == 'sha-1' and attr.node and attr.ver then
-					return attr.ver, attr.node.."#"..attr.ver;
-				end
-			else -- legacy caps
-				if attr.node and attr.ver then
-					return attr.node.."#"..attr.ver.."#"..(attr.ext or ""), attr.node.."#"..attr.ver;
-				end
-			end
-		end
-		return; -- no or bad caps
-	elseif t == "unavailable" or t == "error" then
-		return;
-	end
-	return current; -- no caps, could mean caps optimization, so return current
-end
-
-local function resend_last_item(jid, node, service)
-	local ok, id, item = service:get_last_item(node, jid);
-	if not ok then return; end
-	if not id then return; end
-	service.config.broadcaster("items", node, { [jid] = true }, item);
-end
-
-local function update_subscriptions(recipient, service_name, nodes)
-	nodes = nodes or empty_set;
-
-	local service_recipients = recipients[service_name];
-	if not service_recipients then
-		service_recipients = {};
-		recipients[service_name] = service_recipients;
-	end
-
-	local current = service_recipients[recipient];
-	if not current or type(current) ~= "table" then
-		current = empty_set;
-	end
-
-	if (current == empty_set or current:empty()) and (nodes == empty_set or nodes:empty()) then
-		return;
-	end
-
-	local service = get_pep_service(service_name);
-	for node in current - nodes do
-		service:remove_subscription(node, recipient, recipient);
-	end
-
-	for node in nodes - current do
-		service:add_subscription(node, recipient, recipient);
-		resend_last_item(recipient, node, service);
-	end
-
-	if nodes == empty_set or nodes:empty() then
-		nodes = nil;
-	end
-
-	service_recipients[recipient] = nodes;
-end
-
-module:hook("presence/bare", function(event)
-	-- inbound presence to bare JID received
-	local origin, stanza = event.origin, event.stanza;
-	local t = stanza.attr.type;
-	local is_self = not stanza.attr.to;
-	local username = jid_split(stanza.attr.to);
-	local user_bare = jid_bare(stanza.attr.to);
-	if is_self then
-		username = origin.username;
-		user_bare = jid_join(username, host);
-	end
-
-	if not t then -- available presence
-		if is_self or subscription_presence(username, stanza.attr.from) then
-			local recipient = stanza.attr.from;
-			local current = recipients[username] and recipients[username][recipient];
-			local hash, query_node = get_caps_hash_from_presence(stanza, current);
-			if current == hash or (current and current == hash_map[hash]) then return; end
-			if not hash then
-				update_subscriptions(recipient, username);
-			else
-				recipients[username] = recipients[username] or {};
-				if hash_map[hash] then
-					update_subscriptions(recipient, username, hash_map[hash]);
-				else
-					recipients[username][recipient] = hash;
-					local from_bare = origin.type == "c2s" and origin.username.."@"..origin.host;
-					if is_self or origin.type ~= "c2s" or (recipients[from_bare] and recipients[from_bare][origin.full_jid]) ~= hash then
-						-- COMPAT from ~= stanza.attr.to because OneTeam can't deal with missing from attribute
-						origin.send(
-							st.stanza("iq", {from=user_bare, to=stanza.attr.from, id="disco", type="get"})
-								:tag("query", {xmlns = "http://jabber.org/protocol/disco#info", node = query_node})
-						);
-					end
-				end
-			end
-		end
-	elseif t == "unavailable" then
-		update_subscriptions(stanza.attr.from, username);
-	elseif not is_self and t == "unsubscribe" then
-		local from = jid_bare(stanza.attr.from);
-		local subscriptions = recipients[username];
-		if subscriptions then
-			for subscriber in pairs(subscriptions) do
-				if jid_bare(subscriber) == from then
-					update_subscriptions(subscriber, username);
-				end
-			end
-		end
-	end
-end, 10);
-
-module:hook("iq-result/bare/disco", function(event)
-	local origin, stanza = event.origin, event.stanza;
-	local disco = stanza:get_child("query", "http://jabber.org/protocol/disco#info");
-	if not disco then
-		return;
-	end
-
-	-- Process disco response
-	local is_self = stanza.attr.to == nil;
-	local user_bare = jid_bare(stanza.attr.to);
-	local username = jid_split(stanza.attr.to);
-	if is_self then
-		username = origin.username;
-		user_bare = jid_join(username, host);
-	end
-	local contact = stanza.attr.from;
-	local current = recipients[username] and recipients[username][contact];
-	if type(current) ~= "string" then return; end -- check if waiting for recipient's response
-	local ver = current;
-	if not string.find(current, "#") then
-		ver = calculate_hash(disco.tags); -- calculate hash
-	end
-	local notify = set_new();
-	for _, feature in pairs(disco.tags) do
-		if feature.name == "feature" and feature.attr.var then
-			local nfeature = feature.attr.var:match("^(.*)%+notify$");
-			if nfeature then notify:add(nfeature); end
-		end
-	end
-	hash_map[ver] = notify; -- update hash map
-	if is_self then
-		-- Optimization: Fiddle with other local users
-		for jid, item in pairs(origin.roster) do -- for all interested contacts
-			if jid then
-				local contact_node, contact_host = jid_split(jid);
-				if contact_host == host and (item.subscription == "both" or item.subscription == "from") then
-					update_subscriptions(user_bare, contact_node, notify);
-				end
-			end
-		end
-	end
-	update_subscriptions(contact, username, notify);
-end);
-
-module:hook("account-disco-info-node", function(event)
-	local stanza, origin = event.stanza, event.origin;
-	local service_name = origin.username;
-	if stanza.attr.to ~= nil then
-		service_name = jid_split(stanza.attr.to);
-	end
-	local service = get_pep_service(service_name);
-	return lib_pubsub.handle_disco_info_node(event, service);
-end);
-
-module:hook("account-disco-info", function(event)
-	local origin, reply = event.origin, event.reply;
-
-	reply:tag('identity', {category='pubsub', type='pep'}):up();
-
-	local username = jid_split(reply.attr.from) or origin.username;
-	local service = get_pep_service(username);
-
-	local supported_features = lib_pubsub.get_feature_set(service) + set.new{
-		-- Features not covered by the above
-		"access-presence",
-		"auto-subscribe",
-		"filtered-notifications",
-		"last-published",
-		"persistent-items",
-		"presence-notifications",
-		"presence-subscribe",
-	};
-
-	for feature in supported_features do
-		reply:tag('feature', {var=xmlns_pubsub.."#"..feature}):up();
-	end
-end);
-
-module:hook("account-disco-items-node", function(event)
-	local stanza, origin = event.stanza, event.origin;
-	local is_self = stanza.attr.to == nil;
-	local username = jid_split(stanza.attr.to);
-	if is_self then
-		username = origin.username;
-	end
-	local service = get_pep_service(username);
-	return lib_pubsub.handle_disco_items_node(event, service);
-end);
-
-module:hook("account-disco-items", function(event)
-	local reply, stanza, origin = event.reply, event.stanza, event.origin;
-
-	local is_self = stanza.attr.to == nil;
-	local user_bare = jid_bare(stanza.attr.to);
-	local username = jid_split(stanza.attr.to);
-	if is_self then
-		username = origin.username;
-		user_bare = jid_join(username, host);
-	end
-	local service = get_pep_service(username);
-
-	local ok, ret = service:get_nodes(jid_bare(stanza.attr.from));
-	if not ok then return; end
-
-	for node, node_obj in pairs(ret) do
-		reply:tag("item", { jid = user_bare, node = node, name = node_obj.config.name }):up();
-	end
-end);
+module:log("error", "mod_pep_plus has been renamed to mod_pep, please update your config file. Auto-loading mod_pep...");
+module:depends("pep");