verse
b119dc4d8bc2
plugins/version.lua

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plugins/version.lua @ 445:b119dc4d8bc2

plugins.smacks: Don't warn about zero stanzas acked It's only if the count somehow goes backwards that something is really wrong. An ack for zero stanzas is fine and we don't need to do anything.
author Kim Alvefur <zash@zash.se>
date Thu, 10 Jun 2021 11:58:23 +0200
parent 395:e86144a4eaa1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 local verse = require "verse";
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2
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3 local xmlns_version = "jabber:iq:version";
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5 local function set_version(self, version_info)
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6 self.name = version_info.name;
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7 self.version = version_info.version;
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8 self.platform = version_info.platform;
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9 end
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11 function verse.plugins.version(stream)
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12 stream.version = { set = set_version };
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13 stream:hook("iq/"..xmlns_version, function (stanza)
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14 if stanza.attr.type ~= "get" then return; end
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15 local reply = verse.reply(stanza)
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16 :tag("query", { xmlns = xmlns_version });
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17 if stream.version.name then
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18 reply:tag("name"):text(tostring(stream.version.name)):up();
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19 end
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20 if stream.version.version then
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21 reply:tag("version"):text(tostring(stream.version.version)):up()
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22 end
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23 if stream.version.platform then
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24 reply:tag("os"):text(stream.version.platform);
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25 end
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26 stream:send(reply);
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27 return true;
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28 end);
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29
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30 function stream:query_version(target_jid, callback)
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31 callback = callback or function (version) return self:event("version/response", version); end
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32 self:send_iq(verse.iq({ type = "get", to = target_jid })
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33 :tag("query", { xmlns = xmlns_version }),
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34 function (reply)
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d044a726fef0 plugins.version: Detect errors based on type attribute, rather than presence of query element
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35 if reply.attr.type == "result" then
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36 local query = reply:get_child("query", xmlns_version);
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37 local name = query and query:get_child_text("name");
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38 local version = query and query:get_child_text("version");
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39 local os = query and query:get_child_text("os");
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40 callback({
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41 name = name;
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42 version = version;
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43 platform = os;
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44 });
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45 else
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46 local type, condition, text = reply:get_error();
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47 callback({
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48 error = true;
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49 condition = condition;
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50 text = text;
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51 type = type;
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52 });
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53 end
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54 end);
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55 end
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56 return true;
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57 end