Mercurial > prosody-modules

annotate mod_register_redirect/mod_register_redirect.lua @ 926:f88381a39c56

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mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
author Matthew Wild <mwild1@gmail.com>
date Thu, 22 Nov 2012 18:59:10 +0000
parents 7d1d3ca31d03
children aa93cf0b1242
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1 -- (C) 2010-2011 Marco Cirillo (LW.Org)
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2 -- (C) 2011 Kim Alvefur
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3 --
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4 -- Registration Redirect module for Prosody
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5 --
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6 -- Redirects IP addresses not in the whitelist to a web page or another method to complete the registration.
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7
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8 local st = require "util.stanza"
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9 local cman = configmanager
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10
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11 function reg_redirect(event)
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12 local stanza, origin = event.stanza, event.origin
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13 local ip_wl = module:get_option("registration_whitelist") or { "127.0.0.1" }
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14 local url = module:get_option_string("registration_url", nil)
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15 local inst_text = module:get_option_string("registration_text", nil)
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16 local oob = module:get_option_boolean("registration_oob", true)
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17 local admins_g = cman.get("*", "core", "admins")
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18 local admins_l = cman.get(module:get_host(), "core", "admins")
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19 local no_wl = module:get_option_boolean("no_registration_whitelist", false)
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20 local test_ip = false
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21
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22 if type(admins_g) ~= "table" then admins_g = nil end
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23 if type(admins_l) ~= "table" then admins_l = nil end
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24
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25 -- perform checks to set default responses and sanity checks.
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26 if not inst_text then
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27 if url and oob then
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28 if url:match("^%w+[:].*$") then
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29 if url:match("^(%w+)[:].*$") == "http" or url:match("^(%w+)[:].*$") == "https" then
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30 inst_text = "Please visit "..url.." to register an account on this server."
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31 elseif url:match("^(%w+)[:].*$") == "mailto" then
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32 inst_text = "Please send an e-mail at "..url:match("^%w+[:](.*)$").." to register an account on this server."
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33 elseif url:match("^(%w+)[:].*$") == "xmpp" then
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34 inst_text = "Please contact "..module:get_host().."'s server administrator via xmpp to register an account on this server at: "..url:match("^%w+[:](.*)$")
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35 else
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36 module:log("error", "This module supports only http/https, mailto or xmpp as URL formats.")
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37 module:log("error", "If you want to use personalized instructions without an Out-Of-Band method,")
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38 module:log("error", "specify: register_oob = false; -- in your configuration along your banner string (register_text).")
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39 return origin.send(st.error_reply(stanza, "wait", "internal-server-error")) -- bouncing request.
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40 end
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41 else
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42 module:log("error", "Please check your configuration, the URL you specified is invalid")
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43 return origin.send(st.error_reply(stanza, "wait", "internal-server-error")) -- bouncing request.
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44 end
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45 else
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46 if admins_l then
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47 local ajid; for _,v in ipairs(admins_l) do ajid = v ; break end
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48 inst_text = "Please contact "..module:get_host().."'s server administrator via xmpp to register an account on this server at: "..ajid
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49 else
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50 if admins_g then
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51 local ajid; for _,v in ipairs(admins_g) do ajid = v ; break end
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52 inst_text = "Please contact "..module:get_host().."'s server administrator via xmpp to register an account on this server at: "..ajid
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53 else
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54 module:log("error", "Please be sure to, _at the very least_, configure one server administrator either global or hostwise...")
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55 module:log("error", "if you want to use this module, or read it's configuration wiki at: http://code.google.com/p/prosody-modules/wiki/mod_register_redirect")
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56 return origin.send(st.error_reply(stanza, "wait", "internal-server-error")) -- bouncing request.
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57 end
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58 end
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59 end
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60 elseif inst_text and url and oob then
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61 if not url:match("^%w+[:].*$") then
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62 module:log("error", "Please check your configuration, the URL specified is not valid.")
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63 return origin.send(st.error_reply(stanza, "wait", "internal-server-error")) -- bouncing request.
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64 end
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65 end
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66
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67 if not no_wl then
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68 for i,ip in ipairs(ip_wl) do
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69 if origin.ip == ip then test_ip = true end
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70 break
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71 end
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72 end
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73
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74 -- Prepare replies.
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75 local reply = st.reply(event.stanza)
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76 if oob then
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77 reply:query("jabber:iq:register")
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78 :tag("instructions"):text(inst_text):up()
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79 :tag("x", {xmlns = "jabber:x:oob"})
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80 :tag("url"):text(url);
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81 else
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82 reply:query("jabber:iq:register")
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83 :tag("instructions"):text(inst_text):up()
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84 end
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85
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86 if stanza.attr.type == "get" then
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87 return origin.send(reply)
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88 else
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89 return origin.send(st.error_reply(stanza, "cancel", "not-authorized"))
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90 end
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91 end
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92
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93 module:hook("stanza/iq/jabber:iq:register:query", reg_redirect, 10)