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annotate mod_filter_chatstates/mod_filter_chatstates.lua @ 1829:23b3c8e294d2

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mod_filter_chatstates: Hack to make sure session.send does not return nil which may break things sometimes
author Kim Alvefur <zash@zash.se>
date Fri, 04 Sep 2015 00:41:29 +0200
parents ca48eea4785c
children 58d96960ba8b
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b06b5ac5714b mod_filter_chatstates: Removes chat states from messages to inactive (per CSI) sessions
Kim Alvefur <zash@zash.se>
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1 local filters = require "util.filters";
b06b5ac5714b mod_filter_chatstates: Removes chat states from messages to inactive (per CSI) sessions
Kim Alvefur <zash@zash.se>
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2 local st = require "util.stanza";
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3
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4 module:depends("csi");
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5
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6 local function filter_chatstates(stanza)
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7 if stanza.name == "message" then
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8 stanza = st.clone(stanza);
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9 stanza:maptags(function (tag)
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10 if tag.attr.xmlns ~= "http://jabber.org/protocol/chatstates" then
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ca48eea4785c mod_filter_chatstates: Backout 02cd4a081db4; no longer required due to changes in mod_smacks
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11 return tag
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12 end
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13 end);
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14 if #stanza.tags == 0 then
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23b3c8e294d2 mod_filter_chatstates: Hack to make sure session.send does not return nil which may break things sometimes
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15 return "";
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16 end
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17 end
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18 return stanza;
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19 end
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20
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21 module:hook("csi-client-inactive", function (event)
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22 local session = event.origin;
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Kim Alvefur <zash@zash.se>
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23 filters.add_filter(session, "stanzas/out", filter_chatstates);
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24 end);
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25
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26 module:hook("csi-client-active", function (event)
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27 local session = event.origin;
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Kim Alvefur <zash@zash.se>
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28 filters.remove_filter(session, "stanzas/out", filter_chatstates);
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29 end);