Mercurial > prosody-modules
annotate mod_isr/mod_isr.lua @ 5101:801ca82b6538
mod_s2soutinjection: Remove undefined global (thanks Damian)
Probably leftover from mod_onions. I don't think this had any effect
other than Prosody warning about touching the global scope
author | Kim Alvefur <zash@zash.se> |
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date | Fri, 02 Dec 2022 22:03:29 +0100 |
parents | 1cb762f72a91 |
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mod_isr: XEP-0397: Instant Stream Resumption
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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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51 |
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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 |