verse
3aac084855e6
plugins/legacy.lua

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plugins/legacy.lua @ 216:3aac084855e6

plugins.pep: Reuse the pubsub plugin.
author Kim Alvefur <zash@zash.se>
date Thu, 08 Sep 2011 18:03:07 +0200
parent 181:c61ba3d1b39a
child 250:a5ac643a7fd6
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55ea7ffafd7f plugins.legacy: Support for legacy non-SASL authentication :(
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1 local uuid = require "util.uuid".generate;
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2
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3 local xmlns_auth = "jabber:iq:auth";
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4
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5 function verse.plugins.legacy(stream)
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6 function handle_auth_form(result)
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7 local query = result:get_child("query", xmlns_auth);
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8 if result.attr.type ~= "result" or not query then
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9 local type, cond, text = result:get_error();
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10 stream:debug("warn", "%s %s: %s", type, cond, text);
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11 --stream:event("authentication-failure", { condition = cond });
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12 -- COMPAT continue anyways
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13 end
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14 local auth_data = {
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15 username = stream.username;
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16 password = stream.password;
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17 resource = stream.resource or uuid();
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18 digest = false, sequence = false, token = false;
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19 };
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20 local request = verse.iq({ to = stream.host, type = "set" })
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21 :tag("query", { xmlns = xmlns_auth });
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22 if #query > 0 then
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23 for tag in query:childtags() do
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24 local field = tag.name;
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25 local value = auth_data[field];
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26 if value then
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27 request:tag(field):text(auth_data[field]):up();
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28 elseif value == nil then
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29 local cond = "feature-not-implemented";
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30 stream:event("authentication-failure", { condition = cond });
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31 return false;
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32 end
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33 end
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34 else -- COMPAT for servers not following XEP 78
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35 for field, value in pairs(auth_data) do
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36 if value then
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37 request:tag(field):text(value):up();
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38 end
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39 end
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40 end
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41 stream:send_iq(request, function (response)
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42 if response.attr.type == "result" then
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43 stream.resource = auth_data.resource;
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44 stream.jid = auth_data.username.."@"..stream.host.."/"..auth_data.resource;
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45 stream:event("authentication-success");
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46 stream:event("bind-success", stream.jid);
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47 else
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48 local type, cond, text = response:get_error();
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49 stream:event("authentication-failure", { condition = cond });
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50 end
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51 end);
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52 end
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53
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54 function handle_opened(attr)
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55 if not attr.version then
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56 stream:send_iq(verse.iq({type="get"})
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57 :tag("query", { xmlns = "jabber:iq:auth" })
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58 :tag("username"):text(stream.username),
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59 handle_auth_form);
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60
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61 end
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62 end
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63 stream:hook("opened", handle_opened);
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64 end