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annotate mod_support_room/mod_support_room.lua @ 4651:8231774f5bfd

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mod_cloud_notify_encrypted: Ensure body substring remains valid UTF-8 The `body:sub()` call risks splitting the string in the middle of a multi-byte UTF-8 sequence. This should have been caught by util.stanza validation, but that would have caused some havoc, at the very least causing the notification to not be sent. There have been no reports of this happening. Likely because this module isn't widely deployed among users with languages that use many longer UTF-8 sequences. The util.encodings.utf8.valid() function is O(n) where only the last sequence really needs to be checked, but it's in C and expected to be fast.
author Kim Alvefur <zash@zash.se>
date Sun, 22 Aug 2021 13:22:59 +0200
parents f72aa8840042
children
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f72aa8840042 mod_support_room: Module that invites newly registered users to a room
Kim Alvefur <zash@zash.se>
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1 local mm = require "core.modulemanager";
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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2 local st = require "util.stanza";
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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3 local jid_host, jid_prep = import("util.jid", "host", "prep");
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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4
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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5 local invite_to_room = assert(jid_prep(module:get_option_string(module.name)),
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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6 "The option " .. module.name .. " must be set");
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
Kim Alvefur <zash@zash.se>
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7 local inviter = module:get_option_string(module.name .. "_inviter", module.host);
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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8 local invite_reason = module:get_option_string(module.name .. "_reason");
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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9
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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10 module:hook("user-registered", function (event)
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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11 local user_jid = event.username .. "@" .. event.host;
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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12 local muc = mm.get_module(jid_host(invite_to_room), "muc");
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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13 if not muc then
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
Kim Alvefur <zash@zash.se>
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14 module:log("error", "There is no MUC service '%s'", jid_host(invite_to_room));
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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15 return;
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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16 end
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
Kim Alvefur <zash@zash.se>
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17 local room = muc.get_room_from_jid(invite_to_room);
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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18 if room then
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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19 room:set_affiliation(true, user_jid, "member", invite_reason, { reserved_nickname = event.username });
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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20 -- Invite them to the room too
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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21 module:send(st.message({ from = inviter, to = user_jid })
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
Kim Alvefur <zash@zash.se>
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22 :tag("x", { xmlns = "jabber:x:conference", jid = invite_to_room, reason = invite_reason }):up());
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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23 else
f72aa8840042 mod_support_room: Module that invites newly registered users to a room
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24 module:log("error", "The room %s does not exist, can't invite newly registered user", invite_to_room);
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25 end
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26 end);