X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_register.lua;h=fda717f723cdb7be53abdc0a314de9b0a63dd487;hb=refs%2Fheads%2Fmaster;hp=8a818d027ca0f71c7a2f95770a22af5f8f530d2d;hpb=13457ac721c7bc6958de9a016628b8ae68316e78;p=prosody.git

diff --git a/plugins/mod_register.lua b/plugins/mod_register.lua
index 8a818d02..fda717f7 100644
--- a/plugins/mod_register.lua
+++ b/plugins/mod_register.lua
@@ -1,31 +1,79 @@
 -- Prosody IM
 -- Copyright (C) 2008-2010 Matthew Wild
 -- Copyright (C) 2008-2010 Waqas Hussain
--- 
+--
 -- This project is MIT/X11 licensed. Please see the
 -- COPYING file in the source package for more information.
 --
 
 
-local hosts = _G.hosts;
 local st = require "util.stanza";
-local datamanager = require "util.datamanager";
+local dataform_new = require "util.dataforms".new;
 local usermanager_user_exists = require "core.usermanager".user_exists;
 local usermanager_create_user = require "core.usermanager".create_user;
 local usermanager_set_password = require "core.usermanager".set_password;
 local usermanager_delete_user = require "core.usermanager".delete_user;
-local os_time = os.time;
 local nodeprep = require "util.encodings".stringprep.nodeprep;
 local jid_bare = require "util.jid".bare;
+local create_throttle = require "util.throttle".create;
+local new_cache = require "util.cache".new;
 
 local compat = module:get_option_boolean("registration_compat", true);
 local allow_registration = module:get_option_boolean("allow_registration", false);
+local additional_fields = module:get_option("additional_registration_fields", {});
+
+local account_details = module:open_store("account_details");
+
+local field_map = {
+	username = { name = "username", type = "text-single", label = "Username", required = true };
+	password = { name = "password", type = "text-private", label = "Password", required = true };
+	nick = { name = "nick", type = "text-single", label = "Nickname" };
+	name = { name = "name", type = "text-single", label = "Full Name" };
+	first = { name = "first", type = "text-single", label = "Given Name" };
+	last = { name = "last", type = "text-single", label = "Family Name" };
+	email = { name = "email", type = "text-single", label = "Email" };
+	address = { name = "address", type = "text-single", label = "Street" };
+	city = { name = "city", type = "text-single", label = "City" };
+	state = { name = "state", type = "text-single", label = "State" };
+	zip = { name = "zip", type = "text-single", label = "Postal code" };
+	phone = { name = "phone", type = "text-single", label = "Telephone number" };
+	url = { name = "url", type = "text-single", label = "Webpage" };
+	date = { name = "date", type = "text-single", label = "Birth date" };
+};
+
+local registration_form = dataform_new{
+	title = "Creating a new account";
+	instructions = "Choose a username and password for use with this service.";
+
+	field_map.username;
+	field_map.password;
+};
+
+local registration_query = st.stanza("query", {xmlns = "jabber:iq:register"})
+	:tag("instructions"):text("Choose a username and password for use with this service."):up()
+	:tag("username"):up()
+	:tag("password"):up();
+
+for _, field in ipairs(additional_fields) do
+	if type(field) == "table" then
+		registration_form[#registration_form + 1] = field;
+	else
+		if field:match("%+$") then
+			field = field:sub(1, #field - 1);
+			field_map[field].required = true;
+		end
+
+		registration_form[#registration_form + 1] = field_map[field];
+		registration_query:tag(field):up();
+	end
+end
+registration_query:add_child(registration_form:form());
 
 module:add_feature("jabber:iq:register");
 
 local register_stream_feature = st.stanza("register", {xmlns="http://jabber.org/features/iq-register"}):up();
 module:hook("stream-features", function(event)
-        local session, features = event.origin, event.features;
+	local session, features = event.origin, event.features;
 
 	-- Advertise registration to unauthorized clients only.
 	if not(allow_registration) or session.type ~= "c2s_unauthed" then
@@ -37,6 +85,7 @@ end);
 
 local function handle_registration_stanza(event)
 	local session, stanza = event.origin, event.stanza;
+	local log = session.log or module._log;
 
 	local query = stanza.tags[1];
 	if stanza.attr.type == "get" then
@@ -48,44 +97,29 @@ local function handle_registration_stanza(event)
 		session.send(reply);
 	else -- stanza.attr.type == "set"
 		if query.tags[1] and query.tags[1].name == "remove" then
-			-- TODO delete user auth data, send iq response, kick all user resources with a <not-authorized/>, delete all user data
 			local username, host = session.username, session.host;
-			
+
+			-- This one weird trick sends a reply to this stanza before the user is deleted
+			local old_session_close = session.close;
+			session.close = function(session, ...)
+				session.send(st.reply(stanza));
+				return old_session_close(session, ...);
+			end
+
 			local ok, err = usermanager_delete_user(username, host);
-			
+
 			if not ok then
-				module:log("debug", "Removing user account %s@%s failed: %s", username, host, err);
+				log("debug", "Removing user account %s@%s failed: %s", username, host, err);
+				session.close = old_session_close;
 				session.send(st.error_reply(stanza, "cancel", "service-unavailable", err));
 				return true;
 			end
-			
-			session.send(st.reply(stanza));
-			local roster = session.roster;
-			for _, session in pairs(hosts[host].sessions[username].sessions) do -- disconnect all resources
-				session:close({condition = "not-authorized", text = "Account deleted"});
-			end
-			-- TODO datamanager should be able to delete all user data itself
-			datamanager.store(username, host, "vcard", nil);
-			datamanager.store(username, host, "private", nil);
-			datamanager.list_store(username, host, "offline", nil);
-			local bare = username.."@"..host;
-			for jid, item in pairs(roster) do
-				if jid and jid ~= "pending" then
-					if item.subscription == "both" or item.subscription == "from" or (roster.pending and roster.pending[jid]) then
-						core_post_stanza(hosts[host], st.presence({type="unsubscribed", from=bare, to=jid}));
-					end
-					if item.subscription == "both" or item.subscription == "to" or item.ask then
-						core_post_stanza(hosts[host], st.presence({type="unsubscribe", from=bare, to=jid}));
-					end
-				end
-			end
-			datamanager.store(username, host, "roster", nil);
-			datamanager.store(username, host, "privacy", nil);
-			module:log("info", "User removed their account: %s@%s", username, host);
+
+			log("info", "User removed their account: %s@%s", username, host);
 			module:fire_event("user-deregistered", { username = username, host = host, source = "mod_register", session = session });
 		else
-			local username = nodeprep(query:get_child("username"):get_text());
-			local password = query:get_child("password"):get_text();
+			local username = nodeprep(query:get_child_text("username"));
+			local password = query:get_child_text("password");
 			if username and password then
 				if username == session.username then
 					if usermanager_set_password(username, password, session.host) then
@@ -115,17 +149,59 @@ if compat then
 	end);
 end
 
-local recent_ips = {};
-local min_seconds_between_registrations = module:get_option("min_seconds_between_registrations");
-local whitelist_only = module:get_option("whitelist_registration_only");
-local whitelisted_ips = module:get_option("registration_whitelist") or { "127.0.0.1" };
-local blacklisted_ips = module:get_option("registration_blacklist") or {};
+local function parse_response(query)
+	local form = query:get_child("x", "jabber:x:data");
+	if form then
+		return registration_form:data(form);
+	else
+		local data = {};
+		local errors = {};
+		for _, field in ipairs(registration_form) do
+			local name, required = field.name, field.required;
+			if field_map[name] then
+				data[name] = query:get_child_text(name);
+				if (not data[name] or #data[name] == 0) and required then
+					errors[name] = "Required value missing";
+				end
+			end
+		end
+		if next(errors) then
+			return data, errors;
+		end
+		return data;
+	end
+end
+
+local min_seconds_between_registrations = module:get_option_number("min_seconds_between_registrations");
+local whitelist_only = module:get_option_boolean("whitelist_registration_only");
+local whitelisted_ips = module:get_option_set("registration_whitelist", { "127.0.0.1" })._items;
+local blacklisted_ips = module:get_option_set("registration_blacklist", {})._items;
 
-for _, ip in ipairs(whitelisted_ips) do whitelisted_ips[ip] = true; end
-for _, ip in ipairs(blacklisted_ips) do blacklisted_ips[ip] = true; end
+local throttle_max = module:get_option_number("registration_throttle_max", min_seconds_between_registrations and 1);
+local throttle_period = module:get_option_number("registration_throttle_period", min_seconds_between_registrations);
+local throttle_cache_size = module:get_option_number("registration_throttle_cache_size", 100);
+local blacklist_overflow = module:get_option_boolean("blacklist_on_registration_throttle_overload", false);
+
+local throttle_cache = new_cache(throttle_cache_size, blacklist_overflow and function (ip, throttle)
+	if not throttle:peek() then
+		module:log("info", "Adding ip %s to registration blacklist", ip);
+		blacklisted_ips[ip] = true;
+	end
+end or nil);
+
+local function check_throttle(ip)
+	if not throttle_max then return true end
+	local throttle = throttle_cache:get(ip);
+	if not throttle then
+		throttle = create_throttle(throttle_max, throttle_period);
+	end
+	throttle_cache:set(ip, throttle);
+	return throttle:poll(1);
+end
 
 module:hook("stanza/iq/jabber:iq:register:query", function(event)
 	local session, stanza = event.origin, event.stanza;
+	local log = session.log or module._log;
 
 	if not(allow_registration) or session.type ~= "c2s_unauthed" then
 		session.send(st.error_reply(stanza, "cancel", "service-unavailable"));
@@ -133,61 +209,59 @@ module:hook("stanza/iq/jabber:iq:register:query", function(event)
 		local query = stanza.tags[1];
 		if stanza.attr.type == "get" then
 			local reply = st.reply(stanza);
-			reply:tag("query", {xmlns = "jabber:iq:register"})
-				:tag("instructions"):text("Choose a username and password for use with this service."):up()
-				:tag("username"):up()
-				:tag("password"):up();
+			reply:add_child(registration_query);
 			session.send(reply);
 		elseif stanza.attr.type == "set" then
 			if query.tags[1] and query.tags[1].name == "remove" then
 				session.send(st.error_reply(stanza, "auth", "registration-required"));
 			else
-				local username = query:child_with_name("username");
-				local password = query:child_with_name("password");
-				if username and password then
+				local data, errors = parse_response(query);
+				if errors then
+					session.send(st.error_reply(stanza, "modify", "not-acceptable"));
+				else
 					-- Check that the user is not blacklisted or registering too often
 					if not session.ip then
-						module:log("debug", "User's IP not known; can't apply blacklist/whitelist");
+						log("debug", "User's IP not known; can't apply blacklist/whitelist");
 					elseif blacklisted_ips[session.ip] or (whitelist_only and not whitelisted_ips[session.ip]) then
 						session.send(st.error_reply(stanza, "cancel", "not-acceptable", "You are not allowed to register an account."));
 						return true;
 					elseif min_seconds_between_registrations and not whitelisted_ips[session.ip] then
-						if not recent_ips[session.ip] then
-							recent_ips[session.ip] = { time = os_time(), count = 1 };
-						else
-							local ip = recent_ips[session.ip];
-							ip.count = ip.count + 1;
-							
-							if os_time() - ip.time < min_seconds_between_registrations then
-								ip.time = os_time();
-								session.send(st.error_reply(stanza, "wait", "not-acceptable"));
-								return true;
-							end
-							ip.time = os_time();
+						if check_throttle(session.ip) then
+							session.send(st.error_reply(stanza, "wait", "not-acceptable"));
+							return true;
 						end
 					end
-					-- FIXME shouldn't use table.concat
-					username = nodeprep(table.concat(username));
-					password = table.concat(password);
+					local username, password = nodeprep(data.username), data.password;
+					data.username, data.password = nil, nil;
 					local host = module.host;
 					if not username or username == "" then
 						session.send(st.error_reply(stanza, "modify", "not-acceptable", "The requested username is invalid."));
+						return true;
+					end
+					local user = { username = username , host = host, allowed = true }
+					module:fire_event("user-registering", user);
+					if not user.allowed then
+						session.send(st.error_reply(stanza, "modify", "not-acceptable", "The requested username is forbidden."));
 					elseif usermanager_user_exists(username, host) then
 						session.send(st.error_reply(stanza, "cancel", "conflict", "The requested username already exists."));
 					else
+						-- TODO unable to write file, file may be locked, etc, what's the correct error?
+						local error_reply = st.error_reply(stanza, "wait", "internal-server-error", "Failed to write data to disk.");
 						if usermanager_create_user(username, password, host) then
+							if next(data) and not account_details:set(username, data) then
+								usermanager_delete_user(username, host);
+								session.send(error_reply);
+								return true;
+							end
 							session.send(st.reply(stanza)); -- user created!
-							module:log("info", "User account created: %s@%s", username, host);
+							log("info", "User account created: %s@%s", username, host);
 							module:fire_event("user-registered", {
 								username = username, host = host, source = "mod_register",
 								session = session });
 						else
-							-- TODO unable to write file, file may be locked, etc, what's the correct error?
-							session.send(st.error_reply(stanza, "wait", "internal-server-error", "Failed to write data to disk."));
+							session.send(error_reply);
 						end
 					end
-				else
-					session.send(st.error_reply(stanza, "modify", "not-acceptable"));
 				end
 			end
 		end