prosody-modules
c8d04ac200fc
mod_s2s_blacklist/mod_s2s_blacklist.lua

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mod_s2s_blacklist/mod_s2s_blacklist.lua @ 5401:c8d04ac200fc

mod_http_oauth2: Reject loopback URIs as client_uri This really should be a proper website with info, https://localhost is not good enough. Ideally we'd validate that it's got proper DNS and is actually reachable, but triggering HTTP or even DNS lookups seems like it would carry abuse potential that would best to avoid.
author Kim Alvefur <zash@zash.se>
date Tue, 02 May 2023 16:20:55 +0200
parent 2893:d958558e0058
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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27b4e01ddbc4 mod_s2s_blacklist: A new _simple_ s2s blacklist module
Matthew Wild <mwild1@gmail.com>
parents:
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1 local st = require "util.stanza";
27b4e01ddbc4 mod_s2s_blacklist: A new _simple_ s2s blacklist module
Matthew Wild <mwild1@gmail.com>
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2
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b21236b6b8d8 Backed out changeset 853a382c9bd6
Kim Alvefur <zash@zash.se>
parents: 1324
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3 local blacklist = module:get_option_inherited_set("s2s_blacklist", {});
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27b4e01ddbc4 mod_s2s_blacklist: A new _simple_ s2s blacklist module
Matthew Wild <mwild1@gmail.com>
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4
27b4e01ddbc4 mod_s2s_blacklist: A new _simple_ s2s blacklist module
Matthew Wild <mwild1@gmail.com>
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5 module:hook("route/remote", function (event)
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Kim Alvefur <zash@zash.se>
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6 if blacklist:contains(event.to_host) then
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d958558e0058 mod_s2s_blacklist: Don't send error replies for error stanzas
Kim Alvefur <zash@zash.se>
parents: 1325
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7 if event.stanza.attr.type ~= "error" then
d958558e0058 mod_s2s_blacklist: Don't send error replies for error stanzas
Kim Alvefur <zash@zash.se>
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8 module:send(st.error_reply(event.stanza, "cancel", "not-allowed", "Communication with this domain is restricted"));
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Kim Alvefur <zash@zash.se>
parents: 1325
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9 end
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27b4e01ddbc4 mod_s2s_blacklist: A new _simple_ s2s blacklist module
Matthew Wild <mwild1@gmail.com>
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10 return true;
27b4e01ddbc4 mod_s2s_blacklist: A new _simple_ s2s blacklist module
Matthew Wild <mwild1@gmail.com>
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11 end
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Matthew Wild <mwild1@gmail.com>
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12 end, 100);
27b4e01ddbc4 mod_s2s_blacklist: A new _simple_ s2s blacklist module
Matthew Wild <mwild1@gmail.com>
parents:
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13
27b4e01ddbc4 mod_s2s_blacklist: A new _simple_ s2s blacklist module
Matthew Wild <mwild1@gmail.com>
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14 module:hook("s2s-stream-features", function (event)
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Kim Alvefur <zash@zash.se>
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15 if blacklist:contains(event.origin.from_host) then
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16 event.origin:close({
27b4e01ddbc4 mod_s2s_blacklist: A new _simple_ s2s blacklist module
Matthew Wild <mwild1@gmail.com>
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17 condition = "policy-violation";
27b4e01ddbc4 mod_s2s_blacklist: A new _simple_ s2s blacklist module
Matthew Wild <mwild1@gmail.com>
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18 text = "Communication with this domain is restricted";
27b4e01ddbc4 mod_s2s_blacklist: A new _simple_ s2s blacklist module
Matthew Wild <mwild1@gmail.com>
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19 });
27b4e01ddbc4 mod_s2s_blacklist: A new _simple_ s2s blacklist module
Matthew Wild <mwild1@gmail.com>
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20 end
27b4e01ddbc4 mod_s2s_blacklist: A new _simple_ s2s blacklist module
Matthew Wild <mwild1@gmail.com>
parents:
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21 end, 1000);