Mercurial > prosody-modules

annotate mod_pubsub_text_interface/mod_pubsub_text_interface.lua @ 4688:05725276fac0

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mod_bookmarks2: Use same default as mod_pep for max_items Should fix the issue with max items until the proper "max" can be used, by following the configured max. While "max" is already in trunk, it's not easily usable in 0.11.x This limit and option was added to mod_pep in Prosody rev aefb96a52f5f
author Kim Alvefur <zash@zash.se>
date Wed, 15 Sep 2021 17:39:37 +0200
parents 25ce28711fac
children d7652471ae3e
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
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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
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22 module:hook("message/host", function (event)
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23 local stanza = event.stanza;
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24 local body = stanza:get_child_text("body");
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25 if not body then return end -- bail out
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26
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27 local from = stanza.attr.from;
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28
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29 local reply = st.reply(stanza);
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30 reply.attr.id = id.medium();
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31
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32 local command, node_arg = body:match("^(%a+)%s+(.*)");
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33 command = (command or body):lower();
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34
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35 if command == "help" then
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36 reply:body(help):up();
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37 reply:tag("response", { xmlns = xmlns_quick_resp, value = "list", }):up();
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38 reply:tag("response", { xmlns = xmlns_quick_resp, value = "subscriptions", }):up();
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39 elseif command == "list" then
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40 local ok, nodes = pubsub:get_nodes(from);
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41 if ok then
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42 local list = {};
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43 for node, node_obj in pairs(nodes) do
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44 table.insert(list, ("- `%s` %s"):format(node, node_obj.config.title or ""));
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45 end
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46 reply:body(table.concat(list, "\n"));
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47 else
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48 reply:body(nodes);
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49 end
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50 elseif command == "subscriptions" then
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51 local ok, subs = pubsub:get_subscriptions(nil, from, from);
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52 if not ok then
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53 reply:body(subs);
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54 elseif #subs == 0 then
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55 reply:body("You are not subscribed to anything from this pubsub service");
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56 else
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57 local response = {};
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58 for i = 1, #subs do
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59 response[i] = string.format("- `%s`", subs[i].node);
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60 reply:tag("response", { xmlns = xmlns_quick_resp, value = "unsubscribe "..subs[i].node, }):up();
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61 reply:tag("response", { xmlns = xmlns_quick_resp, value = "last "..subs[i].node, }):up();
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62 end
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63 reply:body(table.concat(response, "\n"));
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64 end
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65 elseif command == "subscribe" then
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66 local ok, err = pubsub:add_subscription(node_arg, from, jid.bare(from), { ["pubsub#include_body"] = true });
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67 reply:body(ok and "OK" or err);
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68 elseif command == "unsubscribe" then
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69 local ok, err = pubsub:remove_subscription(node_arg, from, jid.bare(from));
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70 reply:body(ok and "OK" or err);
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71 elseif command == "last" and pubsub.get_last_item then
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72 local ok, item_id, item = pubsub:get_last_item(node_arg, from);
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73 if not ok then
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74 reply:body(item_id); -- err message
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75 elseif not item_id then
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76 reply:body("node is empty");
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77 else
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78 pubsub.config.broadcaster("items", node_arg, {
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79 [from] = { ["pubsub#include_body"] = true }
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80 }, item, nil, pubsub.nodes[node_arg]);
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81 reply:body("OK");
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82 end
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83 else
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84 reply:body("Unknown command. `help` to list commands."):up();
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85 reply:tag("response", { xmlns = xmlns_quick_resp, value = "help", }):up();
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86 end
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87 reply:reset();
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88
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89 if stanza:get_child("no-copy", "urn:xmpp:hints") then
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90 reply:tag("no-copy", { xmlns = "urn:xmpp:hints" }):up();
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91 end
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92
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93 if stanza:get_child("no-store", "urn:xmpp:hints") then
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94 reply:tag("no-store", { xmlns = "urn:xmpp:hints" }):up();
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95 end
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96
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97 module:send(reply);
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98 return true;
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99 end);