annotate mod_deny_omemo/mod_deny_omemo.lua @ 5448:9d542e86e19a

mod_http_oauth2: Allow requesting a subset of scopes on token refresh This enables clients to request access tokens with fewer permissions than the grant they were given, reducing impact of token leak. Clients could e.g. request access tokens with some privileges and immediately revoke them after use, or other strategies.
author Kim Alvefur <zash@zash.se>
date Thu, 11 May 2023 21:40:09 +0200
parents 2ad35f08bd57
children
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2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
Kim Alvefur <zash@zash.se>
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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."
2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
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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;
2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
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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
Kim Alvefur <zash@zash.se>
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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
Kim Alvefur <zash@zash.se>
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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;
2ad35f08bd57 mod_deny_omemo: Prevents publishing and retreival of OMEMO PEP nodes
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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);