Mercurial > prosody-modules

annotate mod_register_redirect/mod_register_redirect.lua @ 5185:09d6bbd6c8a4

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mod_http_oauth2: Fix treatment of 'redirect_uri' parameter in code flow It's optional and the one stored in the client registration should really be used instead. RFC 6749 says an URI provided as parameter MUST be validated against the stored one but does not say how. Given that the client needs their secret to proceed, it seems fine to leave this for later.
author Kim Alvefur <zash@zash.se>
date Thu, 02 Mar 2023 22:00:42 +0100
parents 2023cba9ead0
children
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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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8 local st = require "util.stanza"
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9 local cman = require "core.configmanager"
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10
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11 local ip_wl = module:get_option_set("registration_whitelist", { "127.0.0.1", "::1" })
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12 local url = module:get_option_string("registration_url", nil)
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13 local inst_text = module:get_option_string("registration_text", nil)
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14 local oob = module:get_option_boolean("registration_oob", true)
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15 local admins_g = cman.get("*", "core", "admins")
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16 local admins_l = cman.get(module:get_host(), "core", "admins")
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17 local no_wl = module:get_option_boolean("no_registration_whitelist", false)
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18
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19 if type(admins_g) ~= "table" then admins_g = nil end
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20 if type(admins_l) ~= "table" then admins_l = nil end
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21
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22 function reg_redirect(event)
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23 local stanza, origin = event.stanza, event.origin
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24
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25 if not no_wl and ip_wl:contains(origin.ip) then return; end
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26
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27 -- perform checks to set default responses and sanity checks.
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28 if not inst_text then
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29 if url and oob then
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30 if url:match("^%w+[:].*$") then
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31 if url:match("^(%w+)[:].*$") == "http" or url:match("^(%w+)[:].*$") == "https" then
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32 inst_text = "Please visit "..url.." to register an account on this server."
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33 elseif url:match("^(%w+)[:].*$") == "mailto" then
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34 inst_text = "Please send an e-mail at "..url:match("^%w+[:](.*)$").." to register an account on this server."
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35 elseif url:match("^(%w+)[:].*$") == "xmpp" then
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36 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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37 else
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38 module:log("error", "This module supports only http/https, mailto or xmpp as URL formats.")
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39 module:log("error", "If you want to use personalized instructions without an Out-Of-Band method,")
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40 module:log("error", "specify: register_oob = false; -- in your configuration along your banner string (register_text).")
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41 return origin.send(st.error_reply(stanza, "wait", "internal-server-error")) -- bouncing request.
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42 end
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43 else
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44 module:log("error", "Please check your configuration, the URL you specified is invalid")
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45 return origin.send(st.error_reply(stanza, "wait", "internal-server-error")) -- bouncing request.
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46 end
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47 else
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48 if admins_l then
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49 local ajid; for _,v in ipairs(admins_l) do ajid = v ; break end
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50 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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51 else
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52 if admins_g then
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53 local ajid; for _,v in ipairs(admins_g) do ajid = v ; break end
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54 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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55 else
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56 module:log("error", "Please be sure to, _at the very least_, configure one server administrator either global or hostwise...")
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57 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")
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58 return origin.send(st.error_reply(stanza, "wait", "internal-server-error")) -- bouncing request.
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59 end
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60 end
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61 end
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62 elseif inst_text and url and oob then
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63 if not url:match("^%w+[:].*$") then
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64 module:log("error", "Please check your configuration, the URL specified is not valid.")
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65 return origin.send(st.error_reply(stanza, "wait", "internal-server-error")) -- bouncing request.
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66 end
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67 end
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68
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69 -- Prepare replies.
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70 local reply = st.reply(event.stanza)
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71 if oob then
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72 reply:query("jabber:iq:register")
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73 :tag("instructions"):text(inst_text):up()
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74 :tag("x", {xmlns = "jabber:x:oob"})
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75 :tag("url"):text(url);
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76 else
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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 end
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80
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81 if stanza.attr.type == "get" then
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82 return origin.send(reply)
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83 else
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84 return origin.send(st.error_reply(stanza, "cancel", "not-authorized"))
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85 end
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86 end
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87
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88 module:hook("stanza/iq/jabber:iq:register:query", reg_redirect, 10)