Mercurial > prosody-modules

annotate mod_pubsub_text_interface/mod_pubsub_text_interface.lua @ 5298:12f7d8b901e0

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mod_audit: Support for adding location (GeoIP) to audit events This can be more privacy-friendly than logging full IP addresses, and also more informative to a user - IP addresses don't mean much to the average person, however if they see activity from outside their expected country, they can immediately identify suspicious activity. As with IPs, this field is configurable for deployments that would like to disable it. Location is also not logged when the geoip library is not available.
author Matthew Wild <mwild1@gmail.com>
date Sat, 01 Apr 2023 13:11:53 +0100
parents e0d0ef564095
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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ca856a892719 mod_pubsub_text_interface: A chat interface to PubSub
Kim Alvefur <zash@zash.se>
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1 local st = require "util.stanza";
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2 local jid = require "util.jid";
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3 local id = require "util.id";
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4
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5 local pubsub = module:depends "pubsub".service;
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6
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7 local xmlns_quick_resp = "urn:xmpp:tmp:quick-response";
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8 local name = module:get_option_string("name", "PubSub Service on "..module.host);
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9 local help = name..[[
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10
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11 Commands:
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12
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13 - `help` - this help message
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14 - `list` - list available nodes
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15 - `subscriptions` - list nodes you are subscribed to
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16 - `subscribe NODE` - subscribe to a node
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17 - `unsubscribe NODE` - unsubscribe from a node]];
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18 if pubsub.get_last_item then -- COMPAT not available in 0.10
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19 help = help .. "\n- `last NODE` - send the last item (again)"
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20 end
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21 -- FIXME better word for "node"
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22
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23 local friendly_pubsub_errors = {
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24 ["forbidden"] = "You are not allowed to do that";
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25 ["item-not-found"] = "That node does not exist";
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26 ["internal-server-error"] = "Something went wrong (see server logs)";
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27 ["not-subscribed"] = "You were not subscribed";
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28 };
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29
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30 module:hook("message/host", function (event)
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31 local stanza = event.stanza;
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32 local body = stanza:get_child_text("body");
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33 if not body then return end -- bail out
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34
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35 local from = stanza.attr.from;
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36
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37 local reply = st.reply(stanza);
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38 reply.attr.id = id.medium();
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39
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40 local command, node_arg = body:match("^(%a+)%s+(.*)");
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41 command = (command or body):lower();
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42
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43 if command == "help" then
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44 reply:body(help):up();
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45 reply:tag("response", { xmlns = xmlns_quick_resp, value = "list", }):up();
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46 reply:tag("response", { xmlns = xmlns_quick_resp, value = "subscriptions", }):up();
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47 elseif command == "list" then
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48 local ok, nodes = pubsub:get_nodes(from);
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49 if ok then
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50 local list = {};
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51 for node, node_obj in pairs(nodes) do
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52 table.insert(list, ("- `%s` %s"):format(node, node_obj.config.title or ""));
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53 end
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54 reply:body(table.concat(list, "\n"));
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55 else
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56 reply:body(friendly_pubsub_errors[nodes] or nodes);
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57 end
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58 elseif command == "subscriptions" then
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59 local ok, subs = pubsub:get_subscriptions(nil, from, from);
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60 if not ok then
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61 reply:body(friendly_pubsub_errors[subs] or subs);
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62 elseif #subs == 0 then
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63 reply:body("You are not subscribed to anything from this pubsub service");
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64 else
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65 local response = {};
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66 for i = 1, #subs do
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67 response[i] = string.format("- `%s`", subs[i].node);
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68 reply:tag("response", { xmlns = xmlns_quick_resp, value = "unsubscribe "..subs[i].node, }):up();
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69 reply:tag("response", { xmlns = xmlns_quick_resp, value = "last "..subs[i].node, }):up();
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70 end
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71 reply:body(table.concat(response, "\n"));
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72 end
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73 elseif command == "subscribe" then
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74 local ok, err = pubsub:add_subscription(node_arg, from, jid.bare(from), { ["pubsub#include_body"] = true });
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75 reply:body(ok and "OK" or friendly_pubsub_errors[err] or err);
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76 elseif command == "unsubscribe" then
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77 local ok, err = pubsub:remove_subscription(node_arg, from, jid.bare(from));
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78 reply:body(ok and "OK" or friendly_pubsub_errors[err] or err);
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79 elseif command == "last" and pubsub.get_last_item then
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80 local ok, item_id, item = pubsub:get_last_item(node_arg, from);
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81 if not ok then
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82 reply:body(friendly_pubsub_errors[item_id] or item_id);
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83 elseif not item_id then
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84 reply:body("That node does not contain any items");
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85 else
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86 pubsub.config.broadcaster("items", node_arg, {
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87 [from] = { ["pubsub#include_body"] = true }
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88 }, item, nil, pubsub.nodes[node_arg]);
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89 reply:body("OK");
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90 end
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91 else
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92 reply:body("Unknown command. `help` to list commands."):up();
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93 reply:tag("response", { xmlns = xmlns_quick_resp, value = "help", }):up();
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94 end
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95 reply:reset();
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96
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97 if stanza:get_child("no-copy", "urn:xmpp:hints") then
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98 reply:tag("no-copy", { xmlns = "urn:xmpp:hints" }):up();
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99 end
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100
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101 if stanza:get_child("no-store", "urn:xmpp:hints") then
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102 reply:tag("no-store", { xmlns = "urn:xmpp:hints" }):up();
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103 end
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104
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105 module:send(reply);
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106 return true;
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107 end);