annotate mod_deny_omemo/mod_deny_omemo.lua @ 3656:3e0f4d727825

mod_vcard_muc: Add an alternative method of signaling avatar change When the avatar has been changed, a signal is sent that the room configuration has changed. Clients then do a disco#info query to find the SHA-1 of the new avatar. They can then fetch it as before, or not if they have it cached already. This is meant to be less disruptive than signaling via presence, which caused problems for some clients. If clients transition to the new method, the old one can eventually be removed. The namespace is made up while waiting for standardization. Otherwise it is very close to what's described in https://xmpp.org/extensions/inbox/muc-avatars.html
author Kim Alvefur <zash@zash.se>
date Sun, 25 Aug 2019 20:46:43 +0200
parents 2ad35f08bd57
children
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2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
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1 local st = require "util.stanza";
2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
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2
2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
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3 local omemo_namespace_prefix = "eu.siacs.conversations.axolotl."
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4
2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
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5 module:hook("iq/bare/http://jabber.org/protocol/pubsub:pubsub", function (event)
2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
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6 local origin, stanza = event.origin, event.stanza;
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7
2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
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8 local node = stanza.tags[1].tags[1].attr.node;
2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
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9 if node and node:sub(1, #omemo_namespace_prefix) == omemo_namespace_prefix then
2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
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10 origin.send(st.error_reply(stanza, "cancel", "item-not-found", "OMEMO is disabled"));
2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
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11 return true;
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12 end
2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
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13 end, 10);