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mod_pubsub_text_interface/mod_pubsub_text_interface.lua @ 3243:ca856a892719
mod_pubsub_text_interface: A chat interface to PubSub
This module lets you manage subscriptions to pubsub nodes via simple
chat messages. Subscriptions are always added based on bare JID. The
include_body flag is enabled so that a plain text body version of events
can be included, where supported.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Mon, 20 Aug 2018 17:09:20 +0200 |
| child | 3247:ada7a0c7221c |
| rev | line source |
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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 |
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4 local pubsub = module:depends "pubsub".service; |
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5 |
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6 local name = module:get_option_string("name", "PubSub Service on "..module.host); |
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7 local help = name..[[ |
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8 |
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9 Commands: |
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10 |
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11 - `help` - this help message |
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12 - `list` - list available nodes |
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13 - `subscribe node` - subscribe to a node |
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14 - `unsubscribe node` - unsubscribe from a node |
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15 ]]; |
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16 |
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17 module:hook("message/host", function (event) |
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18 local origin, stanza = event.origin, event.stanza; |
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19 local body = stanza:get_child_text("body"); |
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20 if not body then return end -- bail out |
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21 body = body:lower(); |
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22 |
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23 local from = stanza.attr.from; |
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24 |
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25 local reply = st.reply(stanza); |
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26 |
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27 if body == "help" then |
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28 reply:body(help); |
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29 elseif body == "list" then |
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30 local ok, nodes = pubsub:get_nodes(from); |
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31 if ok then |
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32 local list = {}; |
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33 for node, node_obj in pairs(nodes) do |
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34 table.insert(list, ("- `%s` %s"):format(node, node_obj.config.title or "")); |
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35 end |
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36 reply:body(table.concat(list, "\n")); |
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37 else |
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38 reply:body(nodes); |
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39 end |
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40 end |
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41 local command, node = body:match("^(%a+)%s+(.*)"); |
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42 if command == "subscribe" then |
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43 local ok, err = pubsub:add_subscription(node, from, jid.bare(from), { ["pubsub#include_body"] = true }); |
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44 reply:body(ok and "OK" or err); |
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45 elseif command == "unsubscribe" then |
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46 local ok, err = pubsub:remove_subscription(node, from, jid.bare(from)); |
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47 reply:body(ok and "OK" or err); |
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48 else |
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49 reply:body("Unknown command. `help` to list commands."); |
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50 end |
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51 origin.send(reply); |
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52 return true; |
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53 end); |