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annotate mod_s2s_whitelist/mod_s2s_whitelist.lua @ 5448:9d542e86e19a

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mod_http_oauth2: Allow requesting a subset of scopes on token refresh This enables clients to request access tokens with fewer permissions than the grant they were given, reducing impact of token leak. Clients could e.g. request access tokens with some privileges and immediately revoke them after use, or other strategies.
author Kim Alvefur <zash@zash.se>
date Thu, 11 May 2023 21:40:09 +0200
parents c1a8ce147885
children
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c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
parents:
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1 local st = require "util.stanza";
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
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2
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3 local whitelist = module:get_option_inherited_set("s2s_whitelist", {});
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
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4
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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5 module:hook("route/remote", function (event)
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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6 if not whitelist:contains(event.to_host) then
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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7 module:send(st.error_reply(event.stanza, "cancel", "not-allowed", "Communication with this domain is restricted"));
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
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8 return true;
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9 end
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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10 end, 100);
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
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11
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
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12 module:hook("s2s-stream-features", function (event)
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Kim Alvefur <zash@zash.se>
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13 if not whitelist:contains(event.origin.from_host) then
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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14 event.origin:close({
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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15 condition = "policy-violation";
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
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16 text = "Communication with this domain is restricted";
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Kim Alvefur <zash@zash.se>
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17 });
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18 end
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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19 end, 1000);