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annotate mod_support_contact/mod_support_contact.lua @ 5461:06640647d193

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mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Per draft-ietf-oauth-v2-1-08#section-8.4.2 > The authorization server MUST allow any port to be specified at the > time of the request for loopback IP redirect URIs, to accommodate > clients that obtain an available ephemeral port from the operating > system at the time of the request. Uncertain if it should normalize the host part, but it also seems harmless to treat IPv6 and IPv4 the same here. One thing is that "localhost" is NOT RECOMMENDED because it can sometimes be pointed to non-loopback interfaces via DNS or hosts file.
author Kim Alvefur <zash@zash.se>
date Wed, 17 May 2023 13:51:30 +0200
parents 7dbde05b48a9
children
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1 -- mod_support_contact.lua
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2 --
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3 -- Config options:
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4 -- support_contact = "support@hostname"; -- a JID
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5 -- support_contact_nick = "Support!"; -- roster nick
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6 -- support_contact_group = "Users being supported!"; -- the roster group in the support contact's roster
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8 local host = module:get_host();
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10 local support_contact = module:get_option_string("support_contact", "support@"..host);
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11 local support_contact_nick = module:get_option_string("support_contact_nick", "Support");
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12 local support_contact_group = module:get_option_string("support_contact_group", "Users");
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14 if not(support_contact and support_contact_nick) then return; end
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16 local rostermanager = require "core.rostermanager";
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17 local jid_split = require "util.jid".split;
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18 local st = require "util.stanza";
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20 module:hook("user-registered", function(event)
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21 module:log("debug", "Adding support contact");
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23 local groups = support_contact_group and {[support_contact_group] = true;} or {};
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25 local node, host = event.username, event.host;
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26 local jid = node and (node..'@'..host) or host;
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27 local roster;
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29 roster = rostermanager.load_roster(node, host);
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30 if hosts[host] then
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31 roster[support_contact] = {subscription = "both", name = support_contact_nick, groups = {}};
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32 else
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33 roster[support_contact] = {subscription = "from", ask = "subscribe", name = support_contact_nick, groups = {}};
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34 end
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35 rostermanager.save_roster(node, host, roster);
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37 node, host = jid_split(support_contact);
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39 if hosts[host] then
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40 roster = rostermanager.load_roster(node, host);
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41 roster[jid] = {subscription = "both", groups = groups};
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42 rostermanager.save_roster(node, host, roster);
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43 rostermanager.roster_push(node, host, jid);
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44 else
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45 module:send(st.presence({from=jid, to=support_contact, type="subscribe"}));
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46 end
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47 end);