diff options
Diffstat (limited to 'plugins')
-rw-r--r-- | plugins/mod_bosh.lua | 39 | ||||
-rw-r--r-- | plugins/mod_compression.lua | 122 | ||||
-rw-r--r-- | plugins/mod_console.lua | 27 | ||||
-rw-r--r-- | plugins/mod_dialback.lua | 7 | ||||
-rw-r--r-- | plugins/mod_disco.lua | 45 | ||||
-rw-r--r-- | plugins/mod_httpserver.lua | 60 | ||||
-rw-r--r-- | plugins/mod_legacyauth.lua | 17 | ||||
-rw-r--r-- | plugins/mod_offline.lua | 3 | ||||
-rw-r--r-- | plugins/mod_pep.lua | 2 | ||||
-rw-r--r-- | plugins/mod_posix.lua | 40 | ||||
-rw-r--r-- | plugins/mod_register.lua | 11 | ||||
-rw-r--r-- | plugins/mod_roster.lua | 2 | ||||
-rw-r--r-- | plugins/mod_saslauth.lua | 69 | ||||
-rw-r--r-- | plugins/mod_selftests.lua | 5 | ||||
-rw-r--r-- | plugins/mod_tls.lua | 60 | ||||
-rw-r--r-- | plugins/mod_version.lua | 24 | ||||
-rw-r--r-- | plugins/mod_watchregistrations.lua | 8 | ||||
-rw-r--r-- | plugins/mod_welcome.lua | 4 | ||||
-rw-r--r-- | plugins/mod_xmlrpc.lua | 30 | ||||
-rw-r--r-- | plugins/muc/mod_muc.lua (renamed from plugins/mod_muc.lua) | 72 | ||||
-rw-r--r-- | plugins/muc/muc.lib.lua | 636 |
21 files changed, 1132 insertions, 151 deletions
diff --git a/plugins/mod_bosh.lua b/plugins/mod_bosh.lua index 4289628f..fddd5c11 100644 --- a/plugins/mod_bosh.lua +++ b/plugins/mod_bosh.lua @@ -6,7 +6,6 @@ -- COPYING file in the source package for more information. -- - module.host = "*" -- Global module local hosts = _G.hosts; @@ -22,17 +21,18 @@ local core_process_stanza = core_process_stanza; local st = require "util.stanza"; local logger = require "util.logger"; local log = logger.init("mod_bosh"); -local stream_callbacks = { stream_tag = "http://jabber.org/protocol/httpbind|body" }; -local config = require "core.configmanager"; + local xmlns_bosh = "http://jabber.org/protocol/httpbind"; -- (hard-coded into a literal in session.send) +local stream_callbacks = { stream_tag = "http://jabber.org/protocol/httpbind|body", default_ns = xmlns_bosh }; -local BOSH_DEFAULT_HOLD = tonumber(config.get("*", "core", "bosh_default_hold")) or 1; -local BOSH_DEFAULT_INACTIVITY = tonumber(config.get("*", "core", "bosh_max_inactivity")) or 60; -local BOSH_DEFAULT_POLLING = tonumber(config.get("*", "core", "bosh_max_polling")) or 5; -local BOSH_DEFAULT_REQUESTS = tonumber(config.get("*", "core", "bosh_max_requests")) or 2; -local BOSH_DEFAULT_MAXPAUSE = tonumber(config.get("*", "core", "bosh_max_pause")) or 300; +local BOSH_DEFAULT_HOLD = tonumber(module:get_option("bosh_default_hold")) or 1; +local BOSH_DEFAULT_INACTIVITY = tonumber(module:get_option("bosh_max_inactivity")) or 60; +local BOSH_DEFAULT_POLLING = tonumber(module:get_option("bosh_max_polling")) or 5; +local BOSH_DEFAULT_REQUESTS = tonumber(module:get_option("bosh_max_requests")) or 2; +local BOSH_DEFAULT_MAXPAUSE = tonumber(module:get_option("bosh_max_pause")) or 300; local default_headers = { ["Content-Type"] = "text/xml; charset=utf-8" }; +local session_close_reply = { headers = default_headers, body = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate" }), attr = {} }; local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat; local os_time = os.time; @@ -112,11 +112,9 @@ end local function bosh_reset_stream(session) session.notopen = true; end -local session_close_reply = { headers = default_headers, body = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate" }), attr = {} }; local function bosh_close_stream(session, reason) (session.log or log)("info", "BOSH client disconnected"); session_close_reply.attr.condition = reason; - local session_close_reply = tostring(session_close_reply); for _, held_request in ipairs(session.requests) do held_request:send(session_close_reply); held_request:destroy(); @@ -144,7 +142,7 @@ function stream_callbacks.streamopened(request, attr) -- New session sid = new_uuid(); - local session = { type = "c2s_unauthed", conn = {}, sid = sid, rid = attr.rid, host = attr.to, bosh_version = attr.ver, bosh_wait = attr.wait, streamid = sid, + local session = { type = "c2s_unauthed", conn = {}, sid = sid, rid = tonumber(attr.rid), host = attr.to, bosh_version = attr.ver, bosh_wait = attr.wait, streamid = sid, bosh_hold = BOSH_DEFAULT_HOLD, bosh_max_inactive = BOSH_DEFAULT_INACTIVITY, requests = { }, send_buffer = {}, reset_stream = bosh_reset_stream, close = bosh_close_stream, dispatch_stanza = core_process_stanza, log = logger.init("bosh"..sid), secure = request.secure }; @@ -209,6 +207,21 @@ function stream_callbacks.streamopened(request, attr) return; end + if session.rid then + local rid = tonumber(attr.rid); + local diff = rid - session.rid; + if diff > 1 then + session.log("warn", "rid too large (means a request was lost). Last rid: %d New rid: %s", session.rid, attr.rid); + elseif diff <= 0 then + -- Repeated, ignore + session.log("debug", "rid repeated (on request %s), ignoring: %d", request.id, session.rid); + request.notopen = nil; + t_insert(session.requests, request); + return; + end + session.rid = rid; + end + if attr.type == "terminate" then -- Client wants to end this session session:close(); @@ -284,7 +297,7 @@ function on_timer() end end -local ports = config.get(module.host, "core", "bosh_ports") or { 5280 }; -httpserver.new_from_config(ports, "http-bind", handle_request); +local ports = module:get_option("bosh_ports") or { 5280 }; +httpserver.new_from_config(ports, handle_request, { base = "http-bind" }); server.addtimer(on_timer); diff --git a/plugins/mod_compression.lua b/plugins/mod_compression.lua new file mode 100644 index 00000000..f1cae737 --- /dev/null +++ b/plugins/mod_compression.lua @@ -0,0 +1,122 @@ +-- Prosody IM +-- Copyright (C) 2009 Tobias Markmann +-- +-- This project is MIT/X11 licensed. Please see the +-- COPYING file in the source package for more information. +-- + +local st = require "util.stanza"; +local zlib = require "zlib"; +local pcall = pcall; + +local xmlns_compression_feature = "http://jabber.org/features/compress" +local xmlns_compression_protocol = "http://jabber.org/protocol/compress" +local compression_stream_feature = st.stanza("compression", {xmlns=xmlns_compression_feature}):tag("method"):text("zlib"):up(); + +local compression_level = module:get_option("compression_level"); + +-- if not defined assume admin wants best compression +if compression_level == nil then compression_level = 9 end; + +compression_level = tonumber(compression_level); +if not compression_level or compression_level < 1 or compression_level > 9 then + module:log("warn", "Invalid compression level in config: %s", tostring(compression_level)); + module:log("warn", "Module loading aborted. Compression won't be available."); + return; +end + +module:add_event_hook("stream-features", + function (session, features) + if not session.compressed then + -- FIXME only advertise compression support when TLS layer has no compression enabled + features:add_child(compression_stream_feature); + end + end +); + +-- TODO Support compression on S2S level too. +module:add_handler({"c2s_unauthed", "c2s"}, "compress", xmlns_compression_protocol, + function(session, stanza) + -- fail if we are already compressed + if session.compressed then + local error_st = st.stanza("failure", {xmlns=xmlns_compression_protocol}):tag("unsupported-method"); + session.send(error_st); + session:log("warn", "Tried to establish another compression layer."); + end + + -- checking if the compression method is supported + local method = stanza:child_with_name("method")[1]; + if method == "zlib" then + session.log("info", method.." compression selected."); + session.send(st.stanza("compressed", {xmlns=xmlns_compression_protocol})); + session:reset_stream(); + + -- create deflate and inflate streams + local status, deflate_stream = pcall(zlib.deflate, compression_level); + if status == false then + local error_st = st.stanza("failure", {xmlns=xmlns_compression_protocol}):tag("setup-failed"); + session.send(error_st); + session:log("error", "Failed to create zlib.deflate filter."); + module:log("error", deflate_stream); + return + end + + local status, inflate_stream = pcall(zlib.inflate); + if status == false then + local error_st = st.stanza("failure", {xmlns=xmlns_compression_protocol}):tag("setup-failed"); + session.send(error_st); + session:log("error", "Failed to create zlib.deflate filter."); + module:log("error", inflate_stream); + return + end + + -- setup compression for session.w + local old_send = session.send; + + session.send = function(t) + local status, compressed, eof = pcall(deflate_stream, tostring(t), 'sync'); + if status == false then + session:close({ + condition = "undefined-condition"; + text = compressed; + extra = st.stanza("failure", {xmlns="http://jabber.org/protocol/compress"}):tag("processing-failed"); + }); + module:log("warn", compressed); + return; + end + old_send(compressed); + end; + + -- setup decompression for session.data + local function setup_decompression(session) + local old_data = session.data + session.data = function(conn, data) + local status, decompressed, eof = pcall(inflate_stream, data); + if status == false then + session:close({ + condition = "undefined-condition"; + text = decompressed; + extra = st.stanza("failure", {xmlns="http://jabber.org/protocol/compress"}):tag("processing-failed"); + }); + module:log("warn", decompressed); + return; + end + old_data(conn, decompressed); + end; + end + setup_decompression(session); + + local session_reset_stream = session.reset_stream; + session.reset_stream = function(session) + session_reset_stream(session); + setup_decompression(session); + return true; + end; + session.compressed = true; + else + session.log("info", method.." compression selected. But we don't support it."); + local error_st = st.stanza("failure", {xmlns=xmlns_compression_protocol}):tag("unsupported-method"); + session.send(error_st); + end + end +); diff --git a/plugins/mod_console.lua b/plugins/mod_console.lua index b9d30716..43cb8b13 100644 --- a/plugins/mod_console.lua +++ b/plugins/mod_console.lua @@ -70,6 +70,9 @@ function console_listener.listener(conn, data) if data:match("^>") then data = data:gsub("^>", ""); useglobalenv = true; + elseif data == "\004" then + commands["bye"](session, data); + return; else local command = data:lower(); command = data:match("^%w+") or data:match("%p"); @@ -206,7 +209,8 @@ end -- Anything in def_env will be accessible within the session as a global variable def_env.server = {}; -function def_env.server:reload() + +function def_env.server:insane_reload() prosody.unlock_globals(); dofile "prosody" prosody = _G.prosody; @@ -231,6 +235,11 @@ function def_env.server:uptime() minutes, (minutes ~= 1 and "s") or "", os.date("%c", prosody.start_time)); end +function def_env.server:shutdown(reason) + prosody.shutdown(reason); + return true, "Shutdown initiated"; +end + def_env.module = {}; local function get_hosts_set(hosts, module) @@ -359,6 +368,11 @@ function def_env.config:get(host, section, key) return true, tostring(config_get(host, section, key)); end +function def_env.config:reload() + local ok, err = prosody.reload_config(); + return ok, (ok and "Config reloaded (you may need to reload modules to take effect)") or tostring(err); +end + def_env.hosts = {}; function def_env.hosts:list() for host, host_session in pairs(hosts) do @@ -385,7 +399,12 @@ end function def_env.c2s:show(match_jid) local print, count = self.session.print, 0; + local curr_host; show_c2s(function (jid, session) + if curr_host ~= session.host then + curr_host = session.host; + print(curr_host); + end if (not match_jid) or jid:match(match_jid) then count = count + 1; local status, priority = "unavailable", tostring(session.priority or "-"); @@ -397,7 +416,7 @@ function def_env.c2s:show(match_jid) status = "available"; end end - print(jid.." - "..status.."("..priority..")"); + print(" "..jid.." - "..status.."("..priority..")"); end end); return true, "Total: "..count.." clients"; @@ -448,7 +467,7 @@ function def_env.s2s:show(match_jid) for remotehost, session in pairs(host_session.s2sout) do if (not match_jid) or remotehost:match(match_jid) or host:match(match_jid) then count_out = count_out + 1; - print(" "..host.." -> "..remotehost); + print(" "..host.." -> "..remotehost..(session.secure and "(encrypted)" or "")); if session.sendq then print(" There are "..#session.sendq.." queued outgoing stanzas for this connection"); end @@ -481,7 +500,7 @@ function def_env.s2s:show(match_jid) if session.to_host == host and ((not match_jid) or host:match(match_jid) or (session.from_host and session.from_host:match(match_jid))) then count_in = count_in + 1; - print(" "..host.." <- "..(session.from_host or "(unknown)")); + print(" "..host.." <- "..(session.from_host or "(unknown)")..(session.secure and "(encrypted)" or "")); if session.type == "s2sin_unauthed" then print(" Connection not yet authenticated"); end diff --git a/plugins/mod_dialback.lua b/plugins/mod_dialback.lua index 5c956103..30313188 100644 --- a/plugins/mod_dialback.lua +++ b/plugins/mod_dialback.lua @@ -10,6 +10,7 @@ local hosts = _G.hosts; local send_s2s = require "core.s2smanager".send_to_host; local s2s_make_authenticated = require "core.s2smanager".make_authenticated; +local s2s_initiate_dialback = require "core.s2smanager".initiate_dialback; local s2s_verify_dialback = require "core.s2smanager".verify_dialback; local s2s_destroy_session = require "core.s2smanager".destroy_session; @@ -17,6 +18,7 @@ local log = module._log; local st = require "util.stanza"; +local xmlns_stream = "http://etherx.jabber.org/streams"; local xmlns_dialback = "jabber:server:dialback"; local dialback_requests = setmetatable({}, { __mode = 'v' }); @@ -113,3 +115,8 @@ module:add_handler({ "s2sout_unauthed", "s2sout" }, "result", xmlns_dialback, s2s_destroy_session(origin) end end); + +module:hook_stanza(xmlns_stream, "features", function (origin, stanza) + s2s_initiate_dialback(origin); + return true; + end, 100); diff --git a/plugins/mod_disco.lua b/plugins/mod_disco.lua index 00ea01d8..06b29f0e 100644 --- a/plugins/mod_disco.lua +++ b/plugins/mod_disco.lua @@ -6,16 +6,47 @@ -- COPYING file in the source package for more information. -- +local componentmanager_get_children = require "core.componentmanager".get_children; +local st = require "util.stanza" - -local discomanager_handle = require "core.discomanager".handle; - +module:add_identity("server", "im", "Prosody"); -- FIXME should be in the non-existing mod_router module:add_feature("http://jabber.org/protocol/disco#info"); module:add_feature("http://jabber.org/protocol/disco#items"); -module:add_iq_handler({"c2s", "s2sin"}, "http://jabber.org/protocol/disco#info", function (session, stanza) - session.send(discomanager_handle(stanza)); +module:hook("iq/host/http://jabber.org/protocol/disco#info:query", function(event) + local origin, stanza = event.origin, event.stanza; + if stanza.attr.type ~= "get" then return; end + local node = stanza.tags[1].attr.node; + if node and node ~= "" then return; end -- TODO fire event? + + local reply = st.reply(stanza):query("http://jabber.org/protocol/disco#info"); + local done = {}; + for _,identity in ipairs(module:get_host_items("identity")) do + local identity_s = identity.category.."\0"..identity.type; + if not done[identity_s] then + reply:tag("identity", identity):up(); + done[identity_s] = true; + end + end + for _,feature in ipairs(module:get_host_items("feature")) do + if not done[feature] then + reply:tag("feature", {var=feature}):up(); + done[feature] = true; + end + end + origin.send(reply); + return true; end); -module:add_iq_handler({"c2s", "s2sin"}, "http://jabber.org/protocol/disco#items", function (session, stanza) - session.send(discomanager_handle(stanza)); +module:hook("iq/host/http://jabber.org/protocol/disco#items:query", function(event) + local origin, stanza = event.origin, event.stanza; + if stanza.attr.type ~= "get" then return; end + local node = stanza.tags[1].attr.node; + if node and node ~= "" then return; end -- TODO fire event? + + local reply = st.reply(stanza):query("http://jabber.org/protocol/disco#items"); + for jid in pairs(componentmanager_get_children(module.host)) do + reply:tag("item", {jid = jid}):up(); + end + origin.send(reply); + return true; end); diff --git a/plugins/mod_httpserver.lua b/plugins/mod_httpserver.lua index 73357f1b..545d4faf 100644 --- a/plugins/mod_httpserver.lua +++ b/plugins/mod_httpserver.lua @@ -11,45 +11,51 @@ local httpserver = require "net.httpserver"; local open = io.open; local t_concat = table.concat; -local check_http_path; local http_base = config.get("*", "core", "http_path") or "www_files"; -local response_403 = { status = "403 Forbidden", body = "<h1>Invalid URL</h1>Sorry, we couldn't find what you were looking for :(" }; +local response_400 = { status = "400 Bad Request", body = "<h1>Bad Request</h1>Sorry, we didn't understand your request :(" }; local response_404 = { status = "404 Not Found", body = "<h1>Page Not Found</h1>Sorry, we couldn't find what you were looking for :(" }; -local http_path = { http_base }; -local function handle_request(method, body, request) - local path = check_http_path(request.url.path:gsub("^/[^/]+%.*", "")); - if not path then - return response_403; +local function preprocess_path(path) + if path:sub(1,1) ~= "/" then + path = "/"..path; end - http_path[2] = path; - local f, err = open(t_concat(http_path), "r"); - if not f then return response_404; end - local data = f:read("*a"); - f:close(); - return data; -end - -local ports = config.get(module.host, "core", "http_ports") or { 5280 }; -httpserver.new_from_config(ports, "files", handle_request); - -function check_http_path(url) - if url:sub(1,1) ~= "/" then - url = "/"..url; - end - local level = 0; - for part in url:gmatch("%/([^/]+)") do - if part == ".." then + for component in path:gmatch("([^/]+)/") do + if component == ".." then level = level - 1; - elseif part ~= "." then + elseif component ~= "." then level = level + 1; end if level < 0 then return nil; end end - return url; + return path; end + +function serve_file(path) + local f, err = open(http_base..path, "r"); + if not f then return response_404; end + local data = f:read("*a"); + f:close(); + return data; +end + +local function handle_file_request(method, body, request) + local path = preprocess_path(request.url.path); + if not path then return response_400; end + path = path:gsub("^/[^/]+", ""); -- Strip /files/ + return serve_file(path); +end + +local function handle_default_request(method, body, request) + local path = preprocess_path(request.url.path); + if not path then return response_400; end + return serve_file(path); +end + +local ports = config.get(module.host, "core", "http_ports") or { 5280 }; +httpserver.set_default_handler(handle_default_request); +httpserver.new_from_config(ports, handle_file_request, { base = "files" }); diff --git a/plugins/mod_legacyauth.lua b/plugins/mod_legacyauth.lua index 25967b33..c678dce1 100644 --- a/plugins/mod_legacyauth.lua +++ b/plugins/mod_legacyauth.lua @@ -11,8 +11,7 @@ local st = require "util.stanza"; local t_concat = table.concat; -local config = require "core.configmanager"; -local secure_auth_only = config.get(module:get_host(), "core", "require_encryption"); +local secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption"); local sessionmanager = require "core.sessionmanager"; local usermanager = require "core.usermanager"; @@ -45,14 +44,12 @@ module:add_iq_handler("c2s_unauthed", "jabber:iq:auth", :tag("username"):up() :tag("password"):up() :tag("resource"):up()); - return true; else username, password, resource = t_concat(username), t_concat(password), t_concat(resource); username = nodeprep(username); resource = resourceprep(resource) local reply = st.reply(stanza); - require "core.usermanager" - if username and resource and usermanager.validate_credentials(session.host, username, password) then + if usermanager.validate_credentials(session.host, username, password) then -- Authentication successful! local success, err = sessionmanager.make_authenticated(session, username); if success then @@ -69,15 +66,9 @@ module:add_iq_handler("c2s_unauthed", "jabber:iq:auth", end end session.send(st.reply(stanza)); - return true; else - local reply = st.reply(stanza); - reply.attr.type = "error"; - reply:tag("error", { code = "401", type = "auth" }) - :tag("not-authorized", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" }); - session.send(reply); - return true; + session.send(st.error_reply(stanza, "auth", "not-authorized")); end end - + return true; end); diff --git a/plugins/mod_offline.lua b/plugins/mod_offline.lua index c9acf9e6..c74d011e 100644 --- a/plugins/mod_offline.lua +++ b/plugins/mod_offline.lua @@ -10,7 +10,8 @@ local datamanager = require "util.datamanager";
local st = require "util.stanza";
local datetime = require "util.datetime";
-local ipairs = ipairs;
+local ipairs = ipairs; +local jid_split = require "util.jid".split;
module:add_feature("msgoffline");
diff --git a/plugins/mod_pep.lua b/plugins/mod_pep.lua index e07759f0..842f1fce 100644 --- a/plugins/mod_pep.lua +++ b/plugins/mod_pep.lua @@ -25,7 +25,7 @@ local data = {}; local recipients = {}; local hash_map = {}; -module:add_identity("pubsub", "pep"); +module:add_identity("pubsub", "pep", "Prosody"); module:add_feature("http://jabber.org/protocol/pubsub#publish"); local function publish(session, node, item) diff --git a/plugins/mod_posix.lua b/plugins/mod_posix.lua index 0f46888d..5f7dfc5b 100644 --- a/plugins/mod_posix.lua +++ b/plugins/mod_posix.lua @@ -17,19 +17,45 @@ if type(signal) == "string" then module:log("warn", "Couldn't load signal library, won't respond to SIGTERM"); end -local config_get = require "core.configmanager".get; local logger_set = require "util.logger".setwriter; local prosody = _G.prosody; module.host = "*"; -- we're a global module +-- Allow switching away from root, some people like strange ports. +module:add_event_hook("server-started", function () + local uid = module:get_option("setuid"); + local gid = module:get_option("setgid"); + if gid then + local success, msg = pposix.setgid(gid); + if success then + module:log("debug", "Changed group to "..gid.." successfully."); + else + module:log("error", "Failed to change group to "..gid..". Error: "..msg); + prosody.shutdown("Failed to change group to "..gid); + end + end + if uid then + local success, msg = pposix.setuid(uid); + if success then + module:log("debug", "Changed user to "..uid.." successfully."); + else + module:log("error", "Failed to change user to "..uid..". Error: "..msg); + prosody.shutdown("Failed to change user to "..uid); + end + end + end); + -- Don't even think about it! module:add_event_hook("server-starting", function () - if pposix.getuid() == 0 and not config_get("*", "core", "run_as_root") then - module:log("error", "Danger, Will Robinson! Prosody doesn't need to be run as root, so don't do it!"); - module:log("error", "For more information on running Prosody as root, see http://prosody.im/doc/root"); - prosody.shutdown("Refusing to run as root"); + local suid = module:get_option("setuid"); + if not suid or suid == 0 or suid == "root" then + if pposix.getuid() == 0 and not module:get_option("run_as_root") then + module:log("error", "Danger, Will Robinson! Prosody doesn't need to be run as root, so don't do it!"); + module:log("error", "For more information on running Prosody as root, see http://prosody.im/doc/root"); + prosody.shutdown("Refusing to run as root"); + end end end); @@ -46,7 +72,7 @@ local function write_pidfile() if pidfile_written then remove_pidfile(); end - local pidfile = config_get("*", "core", "pidfile"); + local pidfile = module:get_option("pidfile"); if pidfile then local pf, err = io.open(pidfile, "w+"); if not pf then @@ -76,7 +102,7 @@ function syslog_sink_maker(config) end require "core.loggingmanager".register_sink_type("syslog", syslog_sink_maker); -if not config_get("*", "core", "no_daemonize") then +if not module:get_option("no_daemonize") then local function daemonize_server() local ok, ret = pposix.daemonize(); if not ok then diff --git a/plugins/mod_register.lua b/plugins/mod_register.lua index bbd5ea42..22724130 100644 --- a/plugins/mod_register.lua +++ b/plugins/mod_register.lua @@ -9,7 +9,6 @@ local hosts = _G.hosts; local st = require "util.stanza"; -local config = require "core.configmanager"; local datamanager = require "util.datamanager"; local usermanager_user_exists = require "core.usermanager".user_exists; local usermanager_create_user = require "core.usermanager".create_user; @@ -90,16 +89,16 @@ module:add_iq_handler("c2s", "jabber:iq:register", function (session, stanza) end); local recent_ips = {}; -local min_seconds_between_registrations = config.get(module.host, "core", "min_seconds_between_registrations"); -local whitelist_only = config.get(module.host, "core", "whitelist_registration_only"); -local whitelisted_ips = config.get(module.host, "core", "registration_whitelist") or { "127.0.0.1" }; -local blacklisted_ips = config.get(module.host, "core", "registration_blacklist") or {}; +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 {}; for _, ip in ipairs(whitelisted_ips) do whitelisted_ips[ip] = true; end for _, ip in ipairs(blacklisted_ips) do blacklisted_ips[ip] = true; end module:add_iq_handler("c2s_unauthed", "jabber:iq:register", function (session, stanza) - if config.get(module.host, "core", "allow_registration") == false then + if module:get_option("allow_registration") == false then session.send(st.error_reply(stanza, "cancel", "service-unavailable")); elseif stanza.tags[1].name == "query" then local query = stanza.tags[1]; diff --git a/plugins/mod_roster.lua b/plugins/mod_roster.lua index 8f25ed64..7ca22aa1 100644 --- a/plugins/mod_roster.lua +++ b/plugins/mod_roster.lua @@ -24,7 +24,7 @@ module:add_feature("jabber:iq:roster"); local rosterver_stream_feature = st.stanza("ver", {xmlns="urn:xmpp:features:rosterver"}):tag("optional"):up(); module:add_event_hook("stream-features", - function (session, features) + function (session, features) if session.username then features:add_child(rosterver_stream_feature); end diff --git a/plugins/mod_saslauth.lua b/plugins/mod_saslauth.lua index f196e483..dc310e18 100644 --- a/plugins/mod_saslauth.lua +++ b/plugins/mod_saslauth.lua @@ -12,16 +12,20 @@ local st = require "util.stanza"; local sm_bind_resource = require "core.sessionmanager".bind_resource; local sm_make_authenticated = require "core.sessionmanager".make_authenticated; local base64 = require "util.encodings".base64; + local nodeprep = require "util.encodings".stringprep.nodeprep; local datamanager_load = require "util.datamanager".load; local usermanager_validate_credentials = require "core.usermanager".validate_credentials; +local usermanager_get_supported_methods = require "core.usermanager".get_supported_methods; +local usermanager_user_exists = require "core.usermanager".user_exists; +local usermanager_get_password = require "core.usermanager".get_password; local t_concat, t_insert = table.concat, table.insert; local tostring = tostring; local jid_split = require "util.jid".split local md5 = require "util.hashes".md5; local config = require "core.configmanager"; -local secure_auth_only = config.get(module:get_host(), "core", "require_encryption"); +local secure_auth_only = config.get(module:get_host(), "core", "c2s_require_encryption") or config.get(module:get_host(), "core", "require_encryption"); local log = module._log; @@ -56,6 +60,7 @@ local function handle_status(session, status) session.sasl_handler = nil; if not username then -- TODO move this to sessionmanager module:log("warn", "SASL succeeded but we didn't get a username!"); + session.sasl_handler = nil; session:reset_stream(); return; end @@ -64,22 +69,36 @@ local function handle_status(session, status) end end -local function password_callback(node, hostname, realm, mechanism, decoder) - local func = function(x) return x; end; - local node = nodeprep(node); - if not node then - return func, nil; - end - local password = (datamanager_load(node, hostname, "accounts") or {}).password; -- FIXME handle hashed passwords - if password then - if mechanism == "PLAIN" then - return func, password; - elseif mechanism == "DIGEST-MD5" then - if decoder then node, realm, password = decoder(node), decoder(realm), decoder(password); end +local function credentials_callback(mechanism, ...) + if mechanism == "PLAIN" then + local username, hostname, password = ...; + username = nodeprep(username); + if not username then + return false; + end + local response = usermanager_validate_credentials(hostname, username, password, mechanism); + if response == nil then + return false; + else + return response; + end + elseif mechanism == "DIGEST-MD5" then + function func(x) return x; end + local node, domain, realm, decoder = ...; + local prepped_node = nodeprep(node); + if not prepped_node then + return func, nil; + end + local password = usermanager_get_password(prepped_node, domain); + if password then + if decoder then + node, realm, password = decoder(node), decoder(realm), decoder(password); + end return func, md5(node..":"..realm..":"..password); + else + return func, nil; end end - return func, nil; end local function sasl_handler(session, stanza) @@ -92,7 +111,7 @@ local function sasl_handler(session, stanza) elseif stanza.attr.mechanism == "ANONYMOUS" then return session.send(build_reply("failure", "mechanism-too-weak")); end - session.sasl_handler = new_sasl(stanza.attr.mechanism, session.host, password_callback); + session.sasl_handler = new_sasl(stanza.attr.mechanism, session.host, credentials_callback); if not session.sasl_handler then return session.send(build_reply("failure", "invalid-mechanism")); end @@ -111,7 +130,7 @@ local function sasl_handler(session, stanza) end local status, ret, err_msg = session.sasl_handler:feed(text); handle_status(session, status); - local s = build_reply(status, ret, err_msg); + local s = build_reply(status, ret, err_msg); log("debug", "sasl reply: %s", tostring(s)); session.send(s); end @@ -123,8 +142,8 @@ module:add_handler("c2s_unauthed", "response", xmlns_sasl, sasl_handler); local mechanisms_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-sasl' }; local bind_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-bind' }; local xmpp_session_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-session' }; -module:add_event_hook("stream-features", - function (session, features) +module:add_event_hook("stream-features", + function (session, features) if not session.username then if secure_auth_only and not session.secure then return; @@ -134,8 +153,10 @@ module:add_event_hook("stream-features", if config.get(session.host or "*", "core", "anonymous_login") then features:tag("mechanism"):text("ANONYMOUS"):up(); else - features:tag("mechanism"):text("DIGEST-MD5"):up(); - features:tag("mechanism"):text("PLAIN"):up(); + mechanisms = usermanager_get_supported_methods(session.host or "*"); + for k, v in pairs(mechanisms) do + features:tag("mechanism"):text(k):up(); + end end features:up(); else @@ -143,8 +164,8 @@ module:add_event_hook("stream-features", features:tag("session", xmpp_session_attr):up(); end end); - -module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-bind", + +module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-bind", function (session, stanza) log("debug", "Client requesting a resource bind"); local resource; @@ -166,8 +187,8 @@ module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-bind", :tag("jid"):text(session.full_jid)); end end); - -module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-session", + +module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-session", function (session, stanza) log("debug", "Client requesting a session"); session.send(st.reply(stanza)); diff --git a/plugins/mod_selftests.lua b/plugins/mod_selftests.lua index 6a26dfc3..1f413634 100644 --- a/plugins/mod_selftests.lua +++ b/plugins/mod_selftests.lua @@ -6,14 +6,13 @@ -- COPYING file in the source package for more information. -- - +module.host = "*" -- Global module local st = require "util.stanza"; local register_component = require "core.componentmanager".register_component; local core_route_stanza = core_route_stanza; local socket = require "socket"; -local config = require "core.configmanager"; -local ping_hosts = config.get("*", "mod_selftests", "ping_hosts") or { "coversant.interop.xmpp.org", "djabberd.interop.xmpp.org", "djabberd-trunk.interop.xmpp.org", "ejabberd.interop.xmpp.org", "openfire.interop.xmpp.org" }; +local ping_hosts = module:get_option("ping_hosts") or { "coversant.interop.xmpp.org", "djabberd.interop.xmpp.org", "djabberd-trunk.interop.xmpp.org", "ejabberd.interop.xmpp.org", "openfire.interop.xmpp.org" }; local open_pings = {}; diff --git a/plugins/mod_tls.lua b/plugins/mod_tls.lua index 8926edfc..e854d676 100644 --- a/plugins/mod_tls.lua +++ b/plugins/mod_tls.lua @@ -6,14 +6,13 @@ -- COPYING file in the source package for more information. -- - - local st = require "util.stanza"; -local xmlns_starttls ='urn:ietf:params:xml:ns:xmpp-tls'; +local xmlns_stream = 'http://etherx.jabber.org/streams'; +local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls'; -local config = require "core.configmanager"; -local secure_auth_only = config.get("*", "core", "require_encryption"); +local secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption"); +local secure_s2s_only = module:get_option("s2s_require_encryption"); module:add_handler("c2s_unauthed", "starttls", xmlns_starttls, function (session, stanza) @@ -29,9 +28,24 @@ module:add_handler("c2s_unauthed", "starttls", xmlns_starttls, end end); +module:add_handler("s2sin_unauthed", "starttls", xmlns_starttls, + function (session, stanza) + if session.conn.starttls then + session.sends2s(st.stanza("proceed", { xmlns = xmlns_starttls })); + session:reset_stream(); + session.conn.starttls(); + session.log("info", "TLS negotiation started for incoming s2s..."); + session.secure = false; + else + -- FIXME: What reply? + session.log("warn", "Attempt to start TLS, but TLS is not available on this s2s connection"); + end + end); + + local starttls_attr = { xmlns = xmlns_starttls }; module:add_event_hook("stream-features", - function (session, features) + function (session, features) if session.conn.starttls then features:tag("starttls", starttls_attr); if secure_auth_only then @@ -41,3 +55,37 @@ module:add_event_hook("stream-features", end end end); + +module:add_event_hook("s2s-stream-features", + function (session, features) + -- This hook is possibly called once per host (at least if the + -- remote server does not specify a to/from. + if session.to_host and session.conn.starttls and not features:child_with_ns(xmlns_starttls) then + features:tag("starttls", starttls_attr):up(); + if secure_s2s_only then + features:tag("required"):up():up(); + else + features:up(); + end + end + end); + +-- For s2sout connections, start TLS if we can +module:hook_stanza(xmlns_stream, "features", + function (session, stanza) + module:log("debug", "Received features element"); + if stanza:child_with_ns(xmlns_starttls) then + module:log("%s is offering TLS, taking up the offer...", session.to_host); + session.sends2s("<starttls xmlns='"..xmlns_starttls.."'/>"); + return true; + end + end, 500); + +module:hook_stanza(xmlns_starttls, "proceed", + function (session, stanza) + module:log("debug", "Proceeding with TLS on s2sout..."); + local format, to_host, from_host = string.format, session.to_host, session.from_host; + session:reset_stream(); + session.conn.starttls(true); + return true; + end); diff --git a/plugins/mod_version.lua b/plugins/mod_version.lua index 87bff5d9..9af830f8 100644 --- a/plugins/mod_version.lua +++ b/plugins/mod_version.lua @@ -6,17 +6,13 @@ -- COPYING file in the source package for more information. -- - -local prosody = prosody; local st = require "util.stanza"; -local xmlns_version = "jabber:iq:version" - -module:add_feature(xmlns_version); +module:add_feature("jabber:iq:version"); local version = "the best operating system ever!"; -if not require "core.configmanager".get("*", "core", "hide_os_type") then +if not module:get_option("hide_os_type") then if os.getenv("WINDIR") then version = "Windows"; else @@ -31,11 +27,15 @@ end version = version:match("^%s*(.-)%s*$") or version; -module:add_iq_handler({"c2s", "s2sin"}, xmlns_version, function(session, stanza) - if stanza.attr.type == "get" then - session.send(st.reply(stanza):query(xmlns_version) - :tag("name"):text("Prosody"):up() - :tag("version"):text(prosody.version):up() - :tag("os"):text(version)); +local query = st.stanza("query", {xmlns = "jabber:iq:version"}) + :tag("name"):text("Prosody"):up() + :tag("version"):text(prosody.version):up() + :tag("os"):text(version); + +module:hook("iq/host/jabber:iq:version:query", function(event) + local stanza = event.stanza; + if stanza.attr.type == "get" and stanza.attr.to == module.host then + event.origin.send(st.reply(stanza):add_child(query)); + return true; end end); diff --git a/plugins/mod_watchregistrations.lua b/plugins/mod_watchregistrations.lua index 9457313f..6a2af853 100644 --- a/plugins/mod_watchregistrations.lua +++ b/plugins/mod_watchregistrations.lua @@ -9,12 +9,10 @@ local host = module:get_host(); -local config = require "core.configmanager"; +local registration_watchers = module:get_option("registration_watchers") + or module:get_option("admins") or {}; -local registration_watchers = config.get(host, "core", "registration_watchers") - or config.get(host, "core", "admins") or {}; - -local registration_alert = config.get(host, "core", "registration_notification") or "User $username just registered on $host from $ip"; +local registration_alert = module:get_option("registration_notification") or "User $username just registered on $host from $ip"; local st = require "util.stanza"; diff --git a/plugins/mod_welcome.lua b/plugins/mod_welcome.lua index e9444363..cc50cba3 100644 --- a/plugins/mod_welcome.lua +++ b/plugins/mod_welcome.lua @@ -6,10 +6,8 @@ -- COPYING file in the source package for more information. -- -local config = require "core.configmanager"; - local host = module:get_host(); -local welcome_text = config.get("*", "core", "welcome_message") or "Hello $username, welcome to the $host IM server!"; +local welcome_text = module:get_option("welcome_message") or "Hello $user, welcome to the $host IM server!"; local st = require "util.stanza"; diff --git a/plugins/mod_xmlrpc.lua b/plugins/mod_xmlrpc.lua index 46edcaee..7165386a 100644 --- a/plugins/mod_xmlrpc.lua +++ b/plugins/mod_xmlrpc.lua @@ -16,6 +16,7 @@ local unpack = unpack; local tostring = tostring; local is_admin = require "core.usermanager".is_admin; local jid_split = require "util.jid".split; +local jid_bare = require "util.jid".bare; local b64_decode = require "util.encodings".base64.decode; local get_method = require "core.objectmanager".get_object; local validate_credentials = require "core.usermanager".validate_credentials; @@ -65,10 +66,15 @@ local function parse_xml(xml) return stanza.tags[1]; end -local function handle_xmlrpc_request(method, args) +local function handle_xmlrpc_request(jid, method, args) + local is_secure_call = (method:sub(1,7) == "secure/"); + if not is_admin(jid) and not is_secure_call then + return create_error_response(401, "not authorized"); + end method = get_method(method); if not method then return create_error_response(404, "method not found"); end args = args or {}; + if is_secure_call then table.insert(args, 1, jid); end local success, result = pcall(method, unpack(args)); if success then success, result = pcall(create_response, result or "nil"); @@ -77,22 +83,20 @@ local function handle_xmlrpc_request(method, args) end return create_error_response(500, "Error in creating response: "..result); end - return create_error_response(0, result or "nil"); + return create_error_response(0, tostring(result):gsub("^[^:]+:%d+: ", "")); end local function handle_xmpp_request(origin, stanza) local query = stanza.tags[1]; if query.name == "query" then if #query.tags == 1 then - if is_admin(stanza.attr.from) then - local success, method, args = pcall(translate_request, query.tags[1]); - if success then - local result = handle_xmlrpc_request(method, args); - origin.send(st.reply(stanza):tag('query', {xmlns='jabber:iq:rpc'}):add_child(result)); - else - origin.send(st.error_reply(stanza, "modify", "bad-request", method)); - end - else origin.send(st.error_reply(stanza, "auth", "forbidden", "No content in XML-RPC request")); end + local success, method, args = pcall(translate_request, query.tags[1]); + if success then + local result = handle_xmlrpc_request(jid_bare(stanza.attr.from), method, args); + origin.send(st.reply(stanza):tag('query', {xmlns='jabber:iq:rpc'}):add_child(result)); + else + origin.send(st.error_reply(stanza, "modify", "bad-request", method)); + end else origin.send(st.error_reply(stanza, "modify", "bad-request", "No content in XML-RPC request")); end else origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); end end @@ -106,7 +110,7 @@ local function handle_http_request(method, body, request) -- authenticate user local username, password = b64_decode(request['authorization'] or ''):gmatch('([^:]*):(.*)')(); -- TODO digest auth local node, host = jid_split(username); - if not validate_credentials(host, node, password) and is_admin(username) then + if not validate_credentials(host, node, password) then return unauthorized_response; end -- parse request @@ -117,7 +121,7 @@ local function handle_http_request(method, body, request) -- execute request local success, method, args = pcall(translate_request, stanza); if success then - return { headers = default_headers; body = tostring(handle_xmlrpc_request(method, args)) }; + return { headers = default_headers; body = tostring(handle_xmlrpc_request(node.."@"..host, method, args)) }; end return "<html><body>Error parsing XML-RPC request: "..tostring(method).."</body></html>"; end diff --git a/plugins/mod_muc.lua b/plugins/muc/mod_muc.lua index e99ef83c..3e6fafb8 100644 --- a/plugins/mod_muc.lua +++ b/plugins/muc/mod_muc.lua @@ -15,16 +15,52 @@ local muc_host = module:get_host(); local muc_name = "Chatrooms"; local history_length = 20; -local muc_new_room = require "util.muc".new_room; +local muc_new_room = module:require "muc".new_room; local register_component = require "core.componentmanager".register_component; local deregister_component = require "core.componentmanager".deregister_component; local jid_split = require "util.jid".split; local st = require "util.stanza"; +local uuid_gen = require "util.uuid".generate; +local datamanager = require "util.datamanager"; local rooms = {}; +local persistent_rooms = datamanager.load(nil, muc_host, "persistent") or {}; local component; + +local function room_route_stanza(room, stanza) core_post_stanza(component, stanza); end +local function room_save(room, forced) + local node = jid_split(room.jid); + persistent_rooms[room.jid] = room._data.persistent; + if room._data.persistent then + local history = room._data.history; + room._data.history = nil; + local data = { + jid = room.jid; + _data = room._data; + _affiliations = room._affiliations; + }; + datamanager.store(node, muc_host, "config", data); + room._data.history = history; + elseif forced then + datamanager.store(node, muc_host, "config", nil); + end + if forced then datamanager.store(nil, muc_host, "persistent", persistent_rooms); end +end + +for jid in pairs(persistent_rooms) do + local node = jid_split(jid); + local data = datamanager.load(node, muc_host, "config") or {}; + local room = muc_new_room(jid); + room._data = data._data; + room._affiliations = data._affiliations; + room.route_stanza = room_route_stanza; + room.save = room_save; + rooms[jid] = room; +end + local host_room = muc_new_room(muc_host); -host_room.route_stanza = function(room, stanza) core_post_stanza(component, stanza); end; +host_room.route_stanza = room_route_stanza; +host_room.save = room_save; local function get_disco_info(stanza) return st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info") @@ -34,7 +70,9 @@ end local function get_disco_items(stanza) local reply = st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items"); for jid, room in pairs(rooms) do - reply:tag("item", {jid=jid, name=jid}):up(); + if not room._data.hidden then + reply:tag("item", {jid=jid, name=jid}):up(); + end end return reply; -- TODO cache disco reply end @@ -48,6 +86,8 @@ local function handle_to_domain(origin, stanza) origin.send(get_disco_info(stanza)); elseif xmlns == "http://jabber.org/protocol/disco#items" then origin.send(get_disco_items(stanza)); + elseif xmlns == "http://jabber.org/protocol/muc#unique" then + origin.send(st.reply(stanza):tag("unique", {xmlns = xmlns}):text(uuid_gen())); -- FIXME Random UUIDs can theoretically have collisions else origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc end @@ -65,16 +105,27 @@ component = register_component(muc_host, function(origin, stanza) local room = rooms[bare]; if not room then room = muc_new_room(bare); - room.route_stanza = function(room, stanza) core_post_stanza(component, stanza); end; + room.route_stanza = room_route_stanza; + room.save = room_save; rooms[bare] = room; end room:handle_stanza(origin, stanza); + if not next(room._occupants) and not persistent_rooms[room.jid] then -- empty, non-persistent room + rooms[bare] = nil; -- discard room + end else --[[not for us?]] end return; end -- to the main muc domain handle_to_domain(origin, stanza); end); +function component.send(stanza) -- FIXME do a generic fix + if stanza.attr.type == "result" or stanza.attr.type == "error" then + core_post_stanza(component, stanza); + else error("component.send only supports result and error stanzas at the moment"); end +end + +prosody.hosts[module:get_host()].muc = { rooms = rooms }; module.unload = function() deregister_component(muc_host); @@ -83,5 +134,16 @@ module.save = function() return {rooms = rooms}; end module.restore = function(data) - rooms = data.rooms or {}; + rooms = {}; + for jid, oldroom in pairs(data.rooms or {}) do + local room = muc_new_room(jid); + room._jid_nick = oldroom._jid_nick; + room._occupants = oldroom._occupants; + room._data = oldroom._data; + room._affiliations = oldroom._affiliations; + room.route_stanza = room_route_stanza; + room.save = room_save; + rooms[jid] = room; + end + prosody.hosts[module:get_host()].muc = { rooms = rooms }; end diff --git a/plugins/muc/muc.lib.lua b/plugins/muc/muc.lib.lua new file mode 100644 index 00000000..93706b07 --- /dev/null +++ b/plugins/muc/muc.lib.lua @@ -0,0 +1,636 @@ +-- Prosody IM +-- Copyright (C) 2008-2009 Matthew Wild +-- Copyright (C) 2008-2009 Waqas Hussain +-- +-- This project is MIT/X11 licensed. Please see the +-- COPYING file in the source package for more information. +-- + +local datamanager = require "util.datamanager"; +local datetime = require "util.datetime"; + +local jid_split = require "util.jid".split; +local jid_bare = require "util.jid".bare; +local jid_prep = require "util.jid".prep; +local st = require "util.stanza"; +local log = require "util.logger".init("mod_muc"); +local multitable_new = require "util.multitable".new; +local t_insert, t_remove = table.insert, table.remove; +local setmetatable = setmetatable; +local base64 = require "util.encodings".base64; +local md5 = require "util.hashes".md5; + +local muc_domain = nil; --module:get_host(); +local history_length = 20; + +------------ +local function filter_xmlns_from_array(array, filters) + local count = 0; + for i=#array,1,-1 do + local attr = array[i].attr; + if filters[attr and attr.xmlns] then + t_remove(array, i); + count = count + 1; + end + end + return count; +end +local function filter_xmlns_from_stanza(stanza, filters) + if filters then + if filter_xmlns_from_array(stanza.tags, filters) ~= 0 then + return stanza, filter_xmlns_from_array(stanza, filters); + end + end + return stanza, 0; +end +local presence_filters = {["http://jabber.org/protocol/muc"]=true;["http://jabber.org/protocol/muc#user"]=true}; +local function get_filtered_presence(stanza) + return filter_xmlns_from_stanza(st.clone(stanza), presence_filters); +end +local kickable_error_conditions = { + ["gone"] = true; + ["internal-server-error"] = true; + ["item-not-found"] = true; + ["jid-malformed"] = true; + ["recipient-unavailable"] = true; + ["redirect"] = true; + ["remote-server-not-found"] = true; + ["remote-server-timeout"] = true; + ["service-unavailable"] = true; +}; +local function get_kickable_error(stanza) + for _, tag in ipairs(stanza.tags) do + if tag.name == "error" and tag.attr.xmlns == "jabber:client" then + for _, cond in ipairs(tag.tags) do + if cond.attr.xmlns == "urn:ietf:params:xml:ns:xmpp-stanzas" then + return kickable_error_conditions[cond.name] and cond.name; + end + end + return true; -- malformed error message + end + end + return true; -- malformed error message +end +local function getUsingPath(stanza, path, getText) + local tag = stanza; + for _, name in ipairs(path) do + if type(tag) ~= 'table' then return; end + tag = tag:child_with_name(name); + end + if tag and getText then tag = table.concat(tag); end + return tag; +end +local function getTag(stanza, path) return getUsingPath(stanza, path); end +local function getText(stanza, path) return getUsingPath(stanza, path, true); end +----------- + +--[[function get_room_disco_info(room, stanza) + return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info") + :tag("identity", {category='conference', type='text', name=room._data["name"]):up() + :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply +end +function get_room_disco_items(room, stanza) + return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items"); +end -- TODO allow non-private rooms]] + +-- + +local room_mt = {}; +room_mt.__index = room_mt; + +function room_mt:get_default_role(affiliation) + if affiliation == "owner" or affiliation == "admin" then + return "moderator"; + elseif affiliation == "member" or not affiliation then + return "participant"; + end +end + +function room_mt:broadcast_presence(stanza, code, nick) + stanza = get_filtered_presence(stanza); + local occupant = self._occupants[stanza.attr.from]; + stanza:tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) + :tag("item", {affiliation=occupant.affiliation, role=occupant.role, nick=nick}):up(); + if code then + stanza:tag("status", {code=code}):up(); + end + self:broadcast_except_nick(stanza, stanza.attr.from); + local me = self._occupants[stanza.attr.from]; + if me then + stanza:tag("status", {code='110'}); + for jid in pairs(me.sessions) do + stanza.attr.to = jid; + self:route_stanza(stanza); + end + end +end +function room_mt:broadcast_message(stanza, historic) + for occupant, o_data in pairs(self._occupants) do + for jid in pairs(o_data.sessions) do + stanza.attr.to = jid; + self:route_stanza(stanza); + end + end + if historic then -- add to history + local history = self._data['history']; + if not history then history = {}; self._data['history'] = history; end + -- stanza = st.clone(stanza); + stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = muc_domain, stamp = datetime.datetime()}):up(); -- XEP-0203 + stanza:tag("x", {xmlns = "jabber:x:delay", from = muc_domain, stamp = datetime.legacy()}):up(); -- XEP-0091 (deprecated) + t_insert(history, st.clone(st.preserialize(stanza))); + while #history > history_length do t_remove(history, 1) end + end +end +function room_mt:broadcast_except_nick(stanza, nick) + for rnick, occupant in pairs(self._occupants) do + if rnick ~= nick then + for jid in pairs(occupant.sessions) do + stanza.attr.to = jid; + self:route_stanza(stanza); + end + end + end +end + +function room_mt:send_occupant_list(to) + local current_nick = self._jid_nick[to]; + for occupant, o_data in pairs(self._occupants) do + if occupant ~= current_nick then + local pres = get_filtered_presence(o_data.sessions[o_data.jid]); + pres.attr.to, pres.attr.from = to, occupant; + pres:tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) + :tag("item", {affiliation=o_data.affiliation, role=o_data.role}):up(); + self:route_stanza(pres); + end + end +end +function room_mt:send_history(to) + local history = self._data['history']; -- send discussion history + if history then + for _, msg in ipairs(history) do + msg = st.deserialize(msg); + msg.attr.to=to; + self:route_stanza(msg); + end + end + if self._data['subject'] then + self:route_stanza(st.message({type='groupchat', from=self.jid, to=to}):tag("subject"):text(self._data['subject'])); + end +end + +local function room_get_disco_info(self, stanza) + return st.reply(stanza):query("http://jabber.org/protocol/disco#info") + :tag("identity", {category="conference", type="text"}):up() + :tag("feature", {var="http://jabber.org/protocol/muc"}); +end +local function room_get_disco_items(self, stanza) + return st.reply(stanza):query("http://jabber.org/protocol/disco#items"); +end +function room_mt:set_subject(current_nick, subject) + -- TODO check nick's authority + if subject == "" then subject = nil; end + self._data['subject'] = subject; + if self.save then self:save(); end + local msg = st.message({type='groupchat', from=current_nick}) + :tag('subject'):text(subject):up(); + self:broadcast_message(msg, false); + return true; +end + +function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc + local from, to = stanza.attr.from, stanza.attr.to; + local room = jid_bare(to); + local current_nick = self._jid_nick[from]; + local type = stanza.attr.type; + log("debug", "room: %s, current_nick: %s, stanza: %s", room or "nil", current_nick or "nil", stanza:top_tag()); + if (select(2, jid_split(from)) == muc_domain) then error("Presence from the MUC itself!!!"); end + if stanza.name == "presence" then + local pr = get_filtered_presence(stanza); + pr.attr.from = current_nick; + if type == "error" then -- error, kick em out! + if current_nick then + log("debug", "kicking %s from %s", current_nick, room); + self:handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to}) + :tag('status'):text('This participant is kicked from the room because he sent an error presence')); -- send unavailable + end + elseif type == "unavailable" then -- unavailable + if current_nick then + log("debug", "%s leaving %s", current_nick, room); + local occupant = self._occupants[current_nick]; + local old_session = occupant.sessions[from]; + local new_jid = next(occupant.sessions); + if new_jid == from then new_jid = next(occupant.sessions, new_jid); end + if new_jid then + occupant.jid = new_jid; + occupant.sessions[from] = nil; + local pr = st.clone(occupant[new_jid]) + :tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) + :tag("item", {affiliation=occupant.affiliation, role=occupant.role}); + self:broadcast_except_nick(pr, current_nick); + else + occupant.role = 'none'; + self:broadcast_presence(pr); + self._occupants[current_nick] = nil; + end + self._jid_nick[from] = nil; + end + elseif not type then -- available + if current_nick then + --if #pr == #stanza or current_nick ~= to then -- commented because google keeps resending directed presence + if current_nick == to then -- simple presence + log("debug", "%s broadcasted presence", current_nick); + self._occupants[current_nick].sessions[from] = pr; + self:broadcast_presence(pr); + else -- change nick + if self._occupants[to] then + log("debug", "%s couldn't change nick", current_nick); + local reply = st.error_reply(stanza, "cancel", "conflict"):up(); + reply.tags[1].attr.code = "409"; + origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); + else + local data = self._occupants[current_nick]; + local to_nick = select(3, jid_split(to)); + if to_nick then + log("debug", "%s (%s) changing nick to %s", current_nick, data.jid, to); + local p = st.presence({type='unavailable', from=current_nick}); + self:broadcast_presence(p, '303', to_nick); + self._occupants[current_nick] = nil; + self._occupants[to] = data; + self._jid_nick[from] = to; + pr.attr.from = to; + self._occupants[to].sessions[from] = pr; + self:broadcast_presence(pr); + else + --TODO malformed-jid + end + end + end + --else -- possible rejoin + -- log("debug", "%s had connection replaced", current_nick); + -- self:handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to}) + -- :tag('status'):text('Replaced by new connection'):up()); -- send unavailable + -- self:handle_to_occupant(origin, stanza); -- resend available + --end + else -- enter room + local new_nick = to; + if self._occupants[to] then + new_nick = nil; + end + if not new_nick then + log("debug", "%s couldn't join due to nick conflict: %s", from, to); + local reply = st.error_reply(stanza, "cancel", "conflict"):up(); + reply.tags[1].attr.code = "409"; + origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); + else + log("debug", "%s joining as %s", from, to); + if not next(self._affiliations) then -- new room, no owners + self._affiliations[jid_bare(from)] = "owner"; + end + local affiliation = self:get_affiliation(from); + local role = self:get_default_role(affiliation) + if role then -- new occupant + self._occupants[to] = {affiliation=affiliation, role=role, jid=from, sessions={[from]=get_filtered_presence(stanza)}}; + self._jid_nick[from] = to; + self:send_occupant_list(from); + pr.attr.from = to; + self:broadcast_presence(pr); + self:send_history(from); + else -- banned + local reply = st.error_reply(stanza, "auth", "forbidden"):up(); + reply.tags[1].attr.code = "403"; + origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); + end + end + end + elseif type ~= 'result' then -- bad type + origin.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME correct error? + end + elseif not current_nick then -- not in room + if type == "error" or type == "result" then + local id = stanza.name == "iq" and stanza.attr.id and base64.decode(stanza.attr.id); + local _nick, _id, _hash = (id or ""):match("^(.+)%z(.*)%z(.+)$"); + local occupant = self._occupants[stanza.attr.to]; + if occupant and _nick and self._jid_nick[_nick] and _id and _hash then + local id, _to = stanza.attr.id; + for jid in pairs(occupant.sessions) do + if md5(jid) == _hash then + _to = jid; + break; + end + end + if _to then + stanza.attr.to, stanza.attr.from, stanza.attr.id = _to, self._jid_nick[_nick], _id; + self:route_stanza(stanza); + stanza.attr.to, stanza.attr.from, stanza.attr.id = to, from, id; + end + end + else + origin.send(st.error_reply(stanza, "cancel", "not-acceptable")); + end + elseif stanza.name == "message" and type == "groupchat" then -- groupchat messages not allowed in PM + origin.send(st.error_reply(stanza, "modify", "bad-request")); + else -- private stanza + local o_data = self._occupants[to]; + if o_data then + log("debug", "%s sent private stanza to %s (%s)", from, to, o_data.jid); + local jid = o_data.jid; + local bare = jid_bare(jid); + stanza.attr.to, stanza.attr.from = jid, current_nick; + local id = stanza.attr.id; + if stanza.name=='iq' and type=='get' and stanza.tags[1].attr.xmlns == 'vcard-temp' and bare ~= jid then + stanza.attr.to = bare; + stanza.attr.id = base64.encode(jid.."\0"..id.."\0"..md5(from)); + end + self:route_stanza(stanza); + stanza.attr.to, stanza.attr.from, stanza.attr.id = to, from, id; + elseif type ~= "error" and type ~= "result" then -- recipient not in room + origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room")); + end + end +end + +function room_mt:handle_form(origin, stanza) + if self:get_affiliation(stanza.attr.from) ~= "owner" then origin.send(st.error_reply(stanza, "auth", "forbidden")); return; end + if stanza.attr.type == "get" then + local title = "Configuration for "..self.jid; + origin.send(st.reply(stanza):query("http://jabber.org/protocol/muc#owner") + :tag("x", {xmlns='jabber:x:data', type='form'}) + :tag("title"):text(title):up() + :tag("instructions"):text(title):up() + :tag("field", {type='hidden', var='FORM_TYPE'}):tag("value"):text("http://jabber.org/protocol/muc#roomconfig"):up():up() + :tag("field", {type='boolean', label='Make Room Persistent?', var='muc#roomconfig_persistentroom'}) + :tag("value"):text(self._data.persistent and "1" or "0"):up() + :up() + :tag("field", {type='boolean', label='Make Room Publicly Searchable?', var='muc#roomconfig_publicroom'}) + :tag("value"):text(self._data.hidden and "0" or "1"):up() + :up() + ); + elseif stanza.attr.type == "set" then + local query = stanza.tags[1]; + local form; + for _, tag in ipairs(query.tags) do if tag.name == "x" and tag.attr.xmlns == "jabber:x:data" then form = tag; break; end end + if not form then origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); return; end + if form.attr.type == "cancel" then origin.send(st.reply(stanza)); return; end + if form.attr.type ~= "submit" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end + local fields = {}; + for _, field in pairs(form.tags) do + if field.name == "field" and field.attr.var and field.tags[1].name == "value" and #field.tags[1].tags == 0 then + fields[field.attr.var] = field.tags[1][1] or ""; + end + end + if fields.FORM_TYPE ~= "http://jabber.org/protocol/muc#roomconfig" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end + + local persistent = fields['muc#roomconfig_persistentroom']; + if persistent == "0" or persistent == "false" then persistent = nil; elseif persistent == "1" or persistent == "true" then persistent = true; + else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end + self._data.persistent = persistent; + module:log("debug", "persistent=%s", tostring(persistent)); + + local public = fields['muc#roomconfig_publicroom']; + if public == "0" or public == "false" then public = nil; elseif public == "1" or public == "true" then public = true; + else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end + self._data.hidden = not public and true or nil; + + if self.save then self:save(true); end + origin.send(st.reply(stanza)); + end +end + +function room_mt:handle_to_room(origin, stanza) -- presence changes and groupchat messages, along with disco/etc + local type = stanza.attr.type; + local xmlns = stanza.tags[1] and stanza.tags[1].attr.xmlns; + if stanza.name == "iq" then + if xmlns == "http://jabber.org/protocol/disco#info" and type == "get" then + origin.send(room_get_disco_info(self, stanza)); + elseif xmlns == "http://jabber.org/protocol/disco#items" and type == "get" then + origin.send(room_get_disco_items(self, stanza)); + elseif xmlns == "http://jabber.org/protocol/muc#admin" then + local actor = stanza.attr.from; + local affiliation = self:get_affiliation(actor); + local current_nick = self._jid_nick[actor]; + local role = current_nick and self._occupants[current_nick].role or self:get_default_role(affiliation); + local item = stanza.tags[1].tags[1]; + if item and item.name == "item" then + if type == "set" then + local callback = function() origin.send(st.reply(stanza)); end + if item.attr.jid then -- Validate provided JID + item.attr.jid = jid_prep(item.attr.jid); + if not item.attr.jid then + origin.send(st.error_reply(stanza, "modify", "jid-malformed")); + return; + end + end + if not item.attr.jid and item.attr.nick then -- COMPAT Workaround for Miranda sending 'nick' instead of 'jid' when changing affiliation + local occupant = self._occupants[self.jid.."/"..item.attr.nick]; + if occupant then item.attr.jid = occupant.jid; end + end + if item.attr.affiliation and item.attr.jid and not item.attr.role then + local success, errtype, err = self:set_affiliation(actor, item.attr.jid, item.attr.affiliation, callback); + if not success then origin.send(st.error_reply(stanza, errtype, err)); end + elseif item.attr.role and item.attr.nick and not item.attr.affiliation then + local success, errtype, err = self:set_role(actor, self.jid.."/"..item.attr.nick, item.attr.role, callback); + if not success then origin.send(st.error_reply(stanza, errtype, err)); end + else + origin.send(st.error_reply(stanza, "cancel", "bad-request")); + end + elseif type == "get" then + local _aff = item.attr.affiliation; + local _rol = item.attr.role; + if _aff and not _rol then + if affiliation == "owner" or (affiliation == "admin" and _aff ~= "owner" and _aff ~= "admin") then + local reply = st.reply(stanza):query("http://jabber.org/protocol/muc#admin"); + for jid, affiliation in pairs(self._affiliations) do + if affiliation == _aff then + reply:tag("item", {affiliation = _aff, jid = jid}):up(); + end + end + origin.send(reply); + else + origin.send(st.error_reply(stanza, "auth", "forbidden")); + end + elseif _rol and not _aff then + if role == "moderator" then + -- TODO allow admins and owners not in room? Provide read-only access to everyone who can see the participants anyway? + if _rol == "none" then _rol = nil; end + local reply = st.reply(stanza):query("http://jabber.org/protocol/muc#admin"); + for nick, occupant in pairs(self._occupants) do + if occupant.role == _rol then + reply:tag("item", {nick = nick, role = _rol or "none", affiliation = occupant.affiliation or "none", jid = occupant.jid}):up(); + end + end + origin.send(reply); + else + origin.send(st.error_reply(stanza, "auth", "forbidden")); + end + else + origin.send(st.error_reply(stanza, "cancel", "bad-request")); + end + end + elseif type == "set" or type == "get" then + origin.send(st.error_reply(stanza, "cancel", "bad-request")); + end + elseif xmlns == "http://jabber.org/protocol/muc#owner" and (type == "get" or type == "set") and stanza.tags[1].name == "query" then + self:handle_form(origin, stanza); + elseif type == "set" or type == "get" then + origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); + end + elseif stanza.name == "message" and type == "groupchat" then + local from, to = stanza.attr.from, stanza.attr.to; + local room = jid_bare(to); + local current_nick = self._jid_nick[from]; + if not current_nick then -- not in room + origin.send(st.error_reply(stanza, "cancel", "not-acceptable")); + else + local from = stanza.attr.from; + stanza.attr.from = current_nick; + local subject = getText(stanza, {"subject"}); + if subject then + self:set_subject(current_nick, subject); -- TODO use broadcast_message_stanza + else + self:broadcast_message(stanza, true); + end + end + elseif stanza.name == "message" and type == "error" and get_kickable_error(stanza) then + local current_nick = self._jid_nick[stanza.attr.from]; + log("debug", "%s kicked from %s for sending an error message", current_nick, self.jid); + self:handle_to_occupant(origin, st.presence({type='unavailable', from=stanza.attr.from, to=stanza.attr.to}) + :tag('status'):text('This participant is kicked from the room because he sent an error message to another occupant')); -- send unavailable + elseif stanza.name == "presence" then -- hack - some buggy clients send presence updates to the room rather than their nick + local to = stanza.attr.to; + local current_nick = self._jid_nick[stanza.attr.from]; + if current_nick then + stanza.attr.to = current_nick; + self:handle_to_occupant(origin, stanza); + stanza.attr.to = to; + elseif type ~= "error" and type ~= "result" then + origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); + end + elseif stanza.name == "message" and not stanza.attr.type and #stanza.tags == 1 and self._jid_nick[stanza.attr.from] + and stanza.tags[1].name == "x" and stanza.tags[1].attr.xmlns == "http://jabber.org/protocol/muc#user" and #stanza.tags[1].tags == 1 + and stanza.tags[1].tags[1].name == "invite" and stanza.tags[1].tags[1].attr.to then + local _from, _to = stanza.attr.from, stanza.attr.to; + local _invitee = stanza.tags[1].tags[1].attr.to; + stanza.attr.from, stanza.attr.to = _to, _invitee; + stanza.tags[1].tags[1].attr.from, stanza.tags[1].tags[1].attr.to = _from, nil; + self:route_stanza(stanza); + stanza.tags[1].tags[1].attr.from, stanza.tags[1].tags[1].attr.to = nil, _invitee; + stanza.attr.from, stanza.attr.to = _from, _to; + else + if type == "error" or type == "result" then return; end + origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); + end +end + +function room_mt:handle_stanza(origin, stanza) + local to_node, to_host, to_resource = jid_split(stanza.attr.to); + if to_resource then + self:handle_to_occupant(origin, stanza); + else + self:handle_to_room(origin, stanza); + end +end + +function room_mt:route_stanza(stanza) end -- Replace with a routing function, e.g., function(room, stanza) core_route_stanza(origin, stanza); end + +function room_mt:get_affiliation(jid) + local node, host, resource = jid_split(jid); + local bare = node and node.."@"..host or host; + local result = self._affiliations[bare]; -- Affiliations are granted, revoked, and maintained based on the user's bare JID. + if not result and self._affiliations[host] == "outcast" then result = "outcast"; end -- host banned + return result; +end +function room_mt:set_affiliation(actor, jid, affiliation, callback) + jid = jid_bare(jid); + if affiliation == "none" then affiliation = nil; end + if affiliation and affiliation ~= "outcast" and affiliation ~= "owner" and affiliation ~= "admin" and affiliation ~= "member" then + return nil, "modify", "not-acceptable"; + end + if self:get_affiliation(actor) ~= "owner" then return nil, "cancel", "not-allowed"; end + if jid_bare(actor) == jid then return nil, "cancel", "not-allowed"; end + self._affiliations[jid] = affiliation; + local role = self:get_default_role(affiliation); + local p = st.presence() + :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"}) + :tag("item", {affiliation=affiliation or "none", role=role or "none"}):up(); + local x = p.tags[1]; + local item = x.tags[1]; + if not role then -- getting kicked + p.attr.type = "unavailable"; + if affiliation == "outcast" then + x:tag("status", {code="301"}):up(); -- banned + else + x:tag("status", {code="321"}):up(); -- affiliation change + end + end + local modified_nicks = {}; + for nick, occupant in pairs(self._occupants) do + if jid_bare(occupant.jid) == jid then + if not role then -- getting kicked + self._occupants[nick] = nil; + else + t_insert(modified_nicks, nick); + occupant.affiliation, occupant.role = affiliation, role; + end + p.attr.from = nick; + for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick + if not role then self._jid_nick[jid] = nil; end + p.attr.to = jid; + self:route_stanza(p); + end + end + end + if self.save then self:save(); end + if callback then callback(); end + for _, nick in ipairs(modified_nicks) do + p.attr.from = nick; + self:broadcast_except_nick(p, nick); + end + return true; +end + +function room_mt:get_role(nick) + local session = self._occupants[nick]; + return session and session.role or nil; +end +function room_mt:set_role(actor, nick, role, callback) + if role == "none" then role = nil; end + if role and role ~= "moderator" and role ~= "participant" and role ~= "visitor" then return nil, "modify", "not-acceptable"; end + if self:get_affiliation(actor) ~= "owner" then return nil, "cancel", "not-allowed"; end + local occupant = self._occupants[nick]; + if not occupant then return nil, "modify", "not-acceptable"; end + if occupant.affiliation == "owner" or occupant.affiliation == "admin" then return nil, "cancel", "not-allowed"; end + local p = st.presence({from = nick}) + :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"}) + :tag("item", {affiliation=occupant.affiliation or "none", nick=nick, role=role or "none"}):up(); + if not role then -- kick + p.attr.type = "unavailable"; + self._occupants[nick] = nil; + for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick + self._jid_nick[jid] = nil; + end + p:tag("status", {code = "307"}):up(); + else + occupant.role = role; + end + for jid in pairs(occupant.sessions) do -- send to all sessions of the nick + p.attr.to = jid; + self:route_stanza(p); + end + if callback then callback(); end + self:broadcast_except_nick(p, nick); + return true; +end + +local _M = {}; -- module "muc" + +function _M.new_room(jid) + return setmetatable({ + jid = jid; + _jid_nick = {}; + _occupants = {}; + _data = {}; + _affiliations = {}; + }, room_mt); +end + +return _M; |