1 -- Copyright (C) 2016-2017 Thilo Molitor |
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2 -- |
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3 -- This project is MIT/X11 licensed. Please see the |
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4 -- COPYING file in the source package for more information. |
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5 -- |
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6 |
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7 local add_filter = require "util.filters".add_filter; |
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8 local remove_filter = require "util.filters".remove_filter; |
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9 local datetime = require "util.datetime"; |
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10 |
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11 local xmlns_delay = "urn:xmpp:delay"; |
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12 |
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13 -- Raise an error if the modules has been loaded as a component in prosody's config |
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14 if module:get_host_type() == "component" then |
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15 error(module.name.." should NOT be loaded as a component, check out http://prosody.im/doc/components", 0); |
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16 end |
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17 |
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18 local add_delay = function(stanza, session) |
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19 if stanza and stanza.name == "message" and stanza:get_child("delay", xmlns_delay) == nil then |
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20 -- only add delay tag to chat or groupchat messages (should we add a delay to anything else, too???) |
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21 if stanza.attr.type == "chat" or stanza.attr.type == "groupchat" then |
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22 -- session.log("debug", "adding delay to message %s", tostring(stanza)); |
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23 stanza = stanza:tag("delay", { xmlns = xmlns_delay, from = session.host, stamp = datetime.datetime()}); |
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24 end |
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25 end |
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26 return stanza; |
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27 end |
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28 |
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29 module:hook("resource-bind", function(event) |
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30 add_filter(event.session, "stanzas/in", add_delay, 1); |
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31 end); |
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32 module:hook("smacks-hibernation-end", function(event) |
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33 -- older smacks module versions send only the "intermediate" session in event.session and no session.resumed one |
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34 if event.resumed then |
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35 add_filter(event.resumed, "stanzas/in", add_delay, 1); |
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36 end |
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37 end); |
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38 module:hook("pre-resource-unbind", function (event) |
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39 remove_filter(event.session, "stanzas/in", add_delay); |
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40 end); |
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