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annotate mod_readonly/mod_readonly.lua @ 4942:e7b9bc629ecc

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mod_rest: Add special handling to catch MAM results from remote hosts Makes MAM queries to remote hosts works. As the comment says, MAM results from users' local archives or local MUCs are returned via origin.send() which is provided in the event and thus already worked. Results from remote hosts go via normal stanza routing and events, which need this extra handling to catch. This pattern of iq-set, message+, iq-result is generally limited to MAM. Closest similar thing might be MUC join, but to really handle that you would need the webhook callback mechanism.
author Kim Alvefur <zash@zash.se>
date Mon, 16 May 2022 19:47:09 +0200
parents 7776c9dc5f37
children
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750
8133dd5f266a mod_readonly: Allow preventing direct modification of certain user data via XMPP
Matthew Wild <mwild1@gmail.com>
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1 local st = require "util.stanza";
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2
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3 local stores = module:get_option("readonly_stores", {
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4 vcard = { "vcard-temp", "vCard" };
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5 });
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6
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7 local namespaces = {};
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8 for name, namespace in pairs(stores) do
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9 namespaces[table.concat(namespace, ":")] = name;
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10 end
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11
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7776c9dc5f37 mod_readonly: Simplify iq handling by hooking on iq-set/ instead of iq/.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 750
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12 local function prevent_write(event)
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13 local stanza = event.stanza;
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14 local xmlns_and_tag = stanza.tags[1].attr.xmlns..":"..stanza.tags[1].name;
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15 local store_name = namespaces[xmlns_and_tag];
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16 if store_name then
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17 module:log("warn", "Preventing modification of %s store by %s", store_name, stanza.attr.from);
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18 event.origin.send(st.error_reply(stanza, "cancel", "not-allowed", store_name.." data is read-only"));
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19 return true; -- Block stanza
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20 end
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21 end
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23 for namespace in pairs(namespaces) do
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7776c9dc5f37 mod_readonly: Simplify iq handling by hooking on iq-set/ instead of iq/.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 750
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24 module:hook("iq-set/bare/"..namespace, prevent_write, 200);
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25 end