-- Password policy enforcement for Prosody -- -- Copyright (C) 2012 Waqas Hussain -- -- -- Configuration: -- password_policy = { -- length = 8; -- } local options = module:get_option("password_policy"); options = options or {}; options.length = options.length or 8; local st = require "util.stanza"; function check_password(password) return #password >= options.length; end function handler(event) local origin, stanza = event.origin, event.stanza; if stanza.attr.type == "set" then local query = stanza.tags[1]; local passwords = {}; local dataform = query:get_child("x", "jabber:x:data"); if dataform then for _,tag in ipairs(dataform.tags) do if tag.attr.var == "password" then table.insert(passwords, tag:get_child_text("value")); end end end table.insert(passwords, query:get_child_text("password")); for _,password in ipairs(passwords) do if password and not check_password(password) then origin.send(st.error_reply(stanza, "cancel", "not-acceptable", "Please use a longer password.")); return true; end end end end module:hook("iq/self/jabber:iq:register:query", handler, 10); module:hook("iq/host/jabber:iq:register:query", handler, 10); module:hook("stanza/iq/jabber:iq:register:query", handler, 10);