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annotate mod_block_s2s_subscriptions/mod_block_s2s_subscriptions.lua @ 5585:5b316088bef5

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mod_rest: Use logger of HTTP request in trunk In Prosody trunk rev c975dafa4303 each HTTP request gained its own log sink, to make it easy to log things related to each request and group those messages. Especially where async is used, spreading the request and response apart as mod_rest does with iq stanzas, this grouped logging should help find related messages.
author Kim Alvefur <zash@zash.se>
date Fri, 07 Jul 2023 00:10:37 +0200
parents 70ff25db37fa
children
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70ff25db37fa mod_block_s2s_subscriptions: New module to block incoming presence subscriptions from non-contacts on selected remote hosts
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2 local jid_split = require "util.jid".split;
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3 local jid_bare = require "util.jid".bare;
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4 local load_roster = require "core.rostermanager".load_roster;
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6 local blocked_servers = module:get_option_set("block_s2s_subscriptions")._items;
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8 function filter_presence(event)
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9 if blocked_servers[event.origin.from_host] and event.stanza.attr.type == "subscribe" then
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10 local stanza = event.stanza;
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11 local to_user, to_host = jid_split(stanza.attr.to);
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12 local roster = load_roster(to_user, to_host);
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13 if roster and roster[jid_bare(stanza.attr.from)] then
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14 return; -- In roster, pass through
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15 end
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16 return true; -- Drop
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17 end
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18 end
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20 module:hook("presence/bare", filter_presence, 200); -- Client receiving