Mercurial > prosody-modules

annotate mod_muc_http_auth/mod_muc_http_auth.lua @ 4713:ae3a129cc296

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mod_cloud_notify: Record client id (or resource) and language during registration
author Matthew Wild <mwild1@gmail.com>
date Mon, 18 Oct 2021 11:44:13 +0100
parents 15c335dc196e
children 0a0334a3a784
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 local wait_for = require "util.async".wait_for;
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2 local http = require "net.http";
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3 local json = require "util.json";
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4 local st = require "util.stanza";
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5 local jid_node = require "util.jid".node;
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6 local jid_bare = require "util.jid".bare;
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7 local jid_resource = require "util.jid".resource;
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8 local urlencode = require "util.http".urlencode;
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9
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10 local authorization_url = module:get_option("muc_http_auth_url", "")
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11 local enabled_for = module:get_option_set("muc_http_auth_enabled_for", nil)
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12 local disabled_for = module:get_option_set("muc_http_auth_disabled_for", nil)
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13 local insecure = module:get_option("muc_http_auth_insecure", false) --For development purposes
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14 local authorize_registration = module:get_option("muc_http_auth_authorize_registration", false)
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15 local authorization_header = module:get_option("muc_http_auth_authorization_header", nil)
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16
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17 local options = {method="GET", insecure=insecure}
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18 if authorization_header then
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19 options.headers = {["Authorization"] = authorization_header};
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20 end
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21
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22 local verbs = {presence='join', iq='register'};
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23
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24 local function must_be_authorized(room_node)
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25 -- If none of these is set, all rooms need authorization
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26 if not enabled_for and not disabled_for then return true; end
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27
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28 if enabled_for then return enabled_for:contains(room_node); end
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29 if disabled_for then return not disabled_for:contains(room_node); end
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30 end
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31
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32 local function handle_success(response)
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33 local body = json.decode(response.body or "") or {}
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34 response = {
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35 err = body.error,
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36 allowed = body.allowed,
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37 code = response.code
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38 }
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39 return {response=response, err=response.err};
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40 end
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41
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42 local function handle_error(err)
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43 return {err=err};
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44 end
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45
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46 local function handle_presence(event)
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47 local stanza = event.stanza;
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48 if stanza.name ~= "iq" and stanza.name ~= "presence" or stanza.attr.type == "unavailable" then return; end
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49
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50 local room, origin = event.room, event.origin;
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51 if (not room) or (not origin) then return; end
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52
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53 if not must_be_authorized(jid_node(room.jid)) then return; end
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54
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55 local user_bare_jid = jid_bare(stanza.attr.from);
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56 local user_nickname = jid_resource(stanza.attr.to);
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57
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58 -- Nickname is mandatory to enter a MUC
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59 if not user_nickname then return; end
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60
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61 local url = authorization_url .. "?userJID=" .. urlencode(user_bare_jid) .."&mucJID=" .. urlencode(room.jid) .. "&nickname=" .. urlencode(user_nickname);
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62
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63 local result = wait_for(http.request(url, options):next(handle_success, handle_error));
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64 local response, err = result.response, result.err;
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65
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66 local verb = verbs[stanza.name];
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67 if not (response and response.allowed) then
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68 -- User is not authorized to join this room
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69 err = (response or {}).err or err
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70 module:log("debug", user_bare_jid .. " is not authorized to " ..verb.. ": " .. room.jid .. " Error: " .. tostring(err));
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71 origin.send(st.error_reply(stanza, "auth", "not-authorized", nil, module.host));
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72 return true;
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73 end
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74
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75 module:log("debug", user_bare_jid .. " is authorized to " .. verb .. ": " .. room.jid);
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76 return;
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77 end
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78
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79 if authorize_registration then
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80 module:hook("muc-register-iq", handle_presence);
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81 end
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82
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83 module:hook("muc-occupant-pre-join", handle_presence);