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annotate mod_block_s2s_subscriptions/mod_block_s2s_subscriptions.lua @ 889:9901d267f938

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mod_carbons_copies: Initial commit; allow the user to enable v0 style carbons for clients which are not carbons-capable yet. This will not interfere with clients which have support for regular Message Carbons (XEP-0280). This module takes two optional parameters: carbons_copies_default - if set to true, copies will be enabled by default carbons_copies_adhoc - Enable Adhoc-commands to allow the user to enable/disable copies
author Michael Holzt <kju@fqdn.org>
date Sun, 23 Dec 2012 19:34:29 +0100
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