Mercurial > prosody-modules

annotate mod_muc_ban_ip/mod_muc_ban_ip.lua @ 2712:d89ab70808f6

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mod_cloud_notify: fix bug when multiple resources are used This bug was triggered under the rare circumstances that a message arrived and one resource was smacks hibernated while the other one(s) were offline. Then only the hibernated resource but not the offline one(s) (or the other way round) got notified.
author tmolitor <thilo@eightysoft.de>
date Mon, 08 May 2017 18:24:29 +0200
parents 933403ee07ec
children 823027110e29
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1005
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
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1 module:set_global();
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2
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3 local jid_bare = require "util.jid".bare;
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4 local st = require "util.stanza";
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5 local xmlns_muc_user = "http://jabber.org/protocol/muc#user";
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6
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
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7 local ip_bans = module:shared("bans");
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8 local full_sessions = prosody.full_sessions;
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9
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10 local function ban_ip(session, from)
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11 local ip = session.ip;
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12 if not ip then
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13 module:log("warn", "Failed to ban IP (IP unknown) for %s", session.full_jid);
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14 return;
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15 end
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16 local banned_from = ip_bans[ip];
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17 if not banned_from then
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18 banned_from = {};
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19 ip_bans[ip] = banned_from;
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20 end
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21 banned_from[from] = true;
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22 module:log("debug", "Banned IP address %s from %s", ip, from);
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23 end
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24
1651
933403ee07ec mod_muc_ban_ip: Cleanup [luacheck]
Kim Alvefur <zash@zash.se>
parents: 1647
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25 local function check_for_incoming_ban(event)
1005
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
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26 local stanza = event.stanza;
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27 local to_session = full_sessions[stanza.attr.to];
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28 if to_session then
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29 local directed = to_session.directed;
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30 local from = stanza.attr.from;
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31 if directed and directed[from] and stanza.attr.type == "unavailable" then
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32 -- This is a stanza from somewhere we sent directed presence to (may be a MUC)
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33 local x = stanza:get_child("x", xmlns_muc_user);
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34 if x then
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35 for status in x:childtags("status") do
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36 if status.attr.code == '301' then
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37 ban_ip(to_session, jid_bare(from));
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38 end
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39 end
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40 end
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41 end
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42 end
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43 end
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44
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933403ee07ec mod_muc_ban_ip: Cleanup [luacheck]
Kim Alvefur <zash@zash.se>
parents: 1647
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45 local function check_for_ban(event)
1005
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46 local ip = event.origin.ip;
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47 local to = jid_bare(event.stanza.attr.to);
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48 if ip_bans[ip] and ip_bans[ip][to] then
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49 event.origin.send(st.error_reply(event.stanza, "auth", "forbidden")
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50 :tag("x", { xmlns = xmlns_muc_user })
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51 :tag("status", { code = '301' }));
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52 return true;
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53 end
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54 module:log("debug", "Not banned: %s from %s", ip, to)
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55 end
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
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56
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57 function module.add_host(module)
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8860405e2af6 mod_muc_ban_ip: Increase priority of hooks, fixes if eg mod_presence gets called first
Kim Alvefur <zash@zash.se>
parents: 1005
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58 module:hook("presence/full", check_for_incoming_ban, 100);
8860405e2af6 mod_muc_ban_ip: Increase priority of hooks, fixes if eg mod_presence gets called first
Kim Alvefur <zash@zash.se>
parents: 1005
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59 module:hook("pre-presence/full", check_for_ban, 100);
1005
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60 end