verse
4a0206505b9d
plugins/sasl.lua

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plugins/sasl.lua @ 305:4a0206505b9d

plugins.archive: Don't modify the query params table
author Kim Alvefur <zash@zash.se>
date Mon, 25 Jun 2012 02:27:43 +0200
parent 302:0c83cb476246
child 315:3742107e2505
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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f2b55ba66e14 plugins.sasl: Add plugin
Matthew Wild <mwild1@gmail.com>
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1 local base64 = require "mime".b64;
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2 local xmlns_sasl = "urn:ietf:params:xml:ns:xmpp-sasl";
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4 function verse.plugins.sasl(stream)
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5 local function handle_features(features_stanza)
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6 if stream.authenticated then return; end
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7 stream:debug("Authenticating with SASL...");
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8 local initial_data = base64("\0"..stream.username.."\0"..stream.password);
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10 --stream.sasl_state, initial_data = sasl_new({"PLAIN"}, stream.username, stream.password, stream.jid);
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12 stream:debug("Selecting PLAIN mechanism...");
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7e98cf2c1d8d plugins.*: Use verse.stanza() & co instead of require util.stanza
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13 local auth_stanza = verse.stanza("auth", { xmlns = xmlns_sasl, mechanism = "PLAIN" });
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14 if initial_data then
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15 auth_stanza:text(initial_data);
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16 end
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17 stream:send(auth_stanza);
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18 return true;
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19 end
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21 local function handle_sasl(sasl_stanza)
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22 if sasl_stanza.name == "success" then
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23 stream.authenticated = true;
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24 stream:event("authentication-success");
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25 elseif sasl_stanza.name == "failure" then
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26 local err = sasl_stanza.tags[1];
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0c83cb476246 plugins.sasl: Collect text message on SASL failure
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27 local text = sasl_stanza:get_child_text("text");
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28 stream:event("authentication-failure", { condition = err.name, text = text });
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29 end
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30 stream:reopen();
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31 return true;
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32 end
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34 stream:hook("stream-features", handle_features, 300);
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35 stream:hook("stream/"..xmlns_sasl, handle_sasl);
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36
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37 return true;
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38 end
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