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annotate mod_isr/mod_isr.lua @ 5407:149634647b48

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mod_http_oauth2: Don't issue client_secret when not using authentication This is pretty much only for implicit flow, which is considered insecure anyway, so this is of limited value. If we delete all the implicit flow code, this could be reverted.
author Kim Alvefur <zash@zash.se>
date Tue, 02 May 2023 16:39:32 +0200
parents 1cb762f72a91
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 local st = require "util.stanza";
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2
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3 local mod_smacks = module:depends("smacks");
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4
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5 local xmlns_sasl2 = "urn:xmpp:sasl:1";
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6 local xmlns_sm = "urn:xmpp:sm:3";
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7 local xmlns_isr = "https://xmpp.org/extensions/isr/0";
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8 local xmlns_errors = "urn:ietf:params:xml:ns:xmpp-stanzas";
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9
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10 module:hook_tag(xmlns_sasl2, "authenticate", function (session, auth)
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11 local isr_resume = auth:get_child("inst-resume", xmlns_isr);
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12 if not isr_resume then return end
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13 local is_using_token = isr_resume.attr["with-isr-token"] ~= "false";
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14 if is_using_token then
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15 -- TODO: If authing with token, set session.sasl_handler to our own
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16 -- event.session.sasl_handler = ...
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17 error("not yet implemented");
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18 end
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19
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20 -- Cache resume element for future processing after SASL success
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21 session.isr_sm_resume = isr_resume:get_child("resume", "urn:xmpp:sm:3");
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22 end, 100);
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23
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24 module:hook("sasl2/c2s/success", function (event)
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25 local session = event.session;
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26 local sm_resume = session.isr_sm_resume;
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27 if sm_resume then
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28 session.isr_sm_resume = nil;
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29 local resumed, err = mod_smacks.do_resume(session, sm_resume);
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30 if not resumed then
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31 local failed = st.stanza("failed", { xmlns = xmlns_sm, h = ("%d"):format(err.context.h) })
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32 :tag(err.condition, { xmlns = xmlns_errors });
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33 event.success:add_child(failed);
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34 else
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35 event.session = resumed.session;
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36 event.isr_resumed = resumed;
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37 event.success:tag("resumed", { xmlns = xmlns_sm,
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38 h = ("%d"):format(event.session.handled_stanza_count);
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39 previd = resumed.id; }):up();
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40 end
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41 end
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42 end, 100);
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43
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44 module:hook("sasl2/c2s/success", function (event)
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45 -- The authenticate response has already been sent at this point
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46 local resumed = event.isr_resumed;
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47 if resumed then
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48 resumed.finish(); -- Finish resume and sync stanzas
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49 end
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50 end, -1100);
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52 module:hook("sasl2/c2s/failure", function (event)
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53 event.session.isr_sm_resume = nil;
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54 end);
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55