-- (C) 2010-2011 Marco Cirillo (LW.Org) -- (C) 2011 Kim Alvefur -- -- Registration Redirect module for Prosody -- -- Redirects IP addresses not in the whitelist to a web page or another method to complete the registration. local st = require "util.stanza" local cman = require "core.configmanager" local ip_wl = module:get_option_set("registration_whitelist", { "127.0.0.1", "::1" }) local url = module:get_option_string("registration_url", nil) local inst_text = module:get_option_string("registration_text", nil) local oob = module:get_option_boolean("registration_oob", true) local admins_g = cman.get("*", "core", "admins") local admins_l = cman.get(module:get_host(), "core", "admins") local no_wl = module:get_option_boolean("no_registration_whitelist", false) if type(admins_g) ~= "table" then admins_g = nil end if type(admins_l) ~= "table" then admins_l = nil end function reg_redirect(event) local stanza, origin = event.stanza, event.origin if not no_wl and ip_wl:contains(origin.ip) then return; end -- perform checks to set default responses and sanity checks. if not inst_text then if url and oob then if url:match("^%w+[:].*$") then if url:match("^(%w+)[:].*$") == "http" or url:match("^(%w+)[:].*$") == "https" then inst_text = "Please visit "..url.." to register an account on this server." elseif url:match("^(%w+)[:].*$") == "mailto" then inst_text = "Please send an e-mail at "..url:match("^%w+[:](.*)$").." to register an account on this server." elseif url:match("^(%w+)[:].*$") == "xmpp" then inst_text = "Please contact "..module:get_host().."'s server administrator via xmpp to register an account on this server at: "..url:match("^%w+[:](.*)$") else module:log("error", "This module supports only http/https, mailto or xmpp as URL formats.") module:log("error", "If you want to use personalized instructions without an Out-Of-Band method,") module:log("error", "specify: register_oob = false; -- in your configuration along your banner string (register_text).") return origin.send(st.error_reply(stanza, "wait", "internal-server-error")) -- bouncing request. end else module:log("error", "Please check your configuration, the URL you specified is invalid") return origin.send(st.error_reply(stanza, "wait", "internal-server-error")) -- bouncing request. end else if admins_l then local ajid; for _,v in ipairs(admins_l) do ajid = v ; break end inst_text = "Please contact "..module:get_host().."'s server administrator via xmpp to register an account on this server at: "..ajid else if admins_g then local ajid; for _,v in ipairs(admins_g) do ajid = v ; break end inst_text = "Please contact "..module:get_host().."'s server administrator via xmpp to register an account on this server at: "..ajid else module:log("error", "Please be sure to, _at the very least_, configure one server administrator either global or hostwise...") module:log("error", "if you want to use this module, or read it's configuration wiki at: https://modules.prosody.im/mod_register_redirect.html") return origin.send(st.error_reply(stanza, "wait", "internal-server-error")) -- bouncing request. end end end elseif inst_text and url and oob then if not url:match("^%w+[:].*$") then module:log("error", "Please check your configuration, the URL specified is not valid.") return origin.send(st.error_reply(stanza, "wait", "internal-server-error")) -- bouncing request. end end -- Prepare replies. local reply = st.reply(event.stanza) if oob then reply:query("jabber:iq:register") :tag("instructions"):text(inst_text):up() :tag("x", {xmlns = "jabber:x:oob"}) :tag("url"):text(url); else reply:query("jabber:iq:register") :tag("instructions"):text(inst_text):up() end if stanza.attr.type == "get" then return origin.send(reply) else return origin.send(st.error_reply(stanza, "cancel", "not-authorized")) end end module:hook("stanza/iq/jabber:iq:register:query", reg_redirect, 10)