annotate mod_block_subscribes/mod_block_subscribes.lua @ 3772:22f02716819f

mod_s2s_keepalive: Isolate source host of pings The incoming_s2s table is not restricted to the current virtualhost so this prevents opening more connections than what's needed. Also prevents useless double sending of one whitespace per local host.
author Kim Alvefur <zash@zash.se>
date Mon, 23 Dec 2019 01:18:02 +0100
parents f88381a39c56
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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f88381a39c56 mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
Matthew Wild <mwild1@gmail.com>
parents:
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1 local allowed_presence_types = { probe = true, unavailable = true };
f88381a39c56 mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
Matthew Wild <mwild1@gmail.com>
parents:
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2
f88381a39c56 mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
Matthew Wild <mwild1@gmail.com>
parents:
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3 function filter_presence(event)
f88381a39c56 mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
Matthew Wild <mwild1@gmail.com>
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4 local stanza = event.stanza;
f88381a39c56 mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
Matthew Wild <mwild1@gmail.com>
parents:
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5 local presence_type = stanza.attr.type;
f88381a39c56 mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
Matthew Wild <mwild1@gmail.com>
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6 if presence_type == nil or allowed_presence_types[presence_type] then
f88381a39c56 mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
Matthew Wild <mwild1@gmail.com>
parents:
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7 return;
f88381a39c56 mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
Matthew Wild <mwild1@gmail.com>
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8 end
f88381a39c56 mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
Matthew Wild <mwild1@gmail.com>
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9 return true; -- Drop
f88381a39c56 mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
Matthew Wild <mwild1@gmail.com>
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10 end
f88381a39c56 mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
Matthew Wild <mwild1@gmail.com>
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11
f88381a39c56 mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
Matthew Wild <mwild1@gmail.com>
parents:
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12 module:hook("pre-presence/bare", filter_presence, 200); -- Client sending
f88381a39c56 mod_block_subscribes: Block inbound and outbound subscription requests (useful to prevent implicit roster modification)
Matthew Wild <mwild1@gmail.com>
parents:
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13 module:hook("presence/bare", filter_presence, 200); -- Client receiving