annotate mod_deny_omemo/mod_deny_omemo.lua @ 4877:adc6241e5d16

mod_measure_process: Report the enforced limit The soft limit is what the kernel actually enforces, while the hard limit is is how far you can change the soft limit without privileges. Unless the process dynamically adjusts the soft limit, knowing the hard limit is not as useful as knowing the soft limit. Reporting the soft limit and the number of in-use FDs allows placing alerts on expressions like 'process_open_fds / process_max_fds >= 0.95'
author Kim Alvefur <zash@zash.se>
date Tue, 18 Jan 2022 18:55:20 +0100
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
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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;
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);