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annotate mod_turncredentials/mod_turncredentials.lua @ 5271:3a1df3adad0c

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mod_http_oauth2: Allow user to decide which requested scopes to grant These should at the very least be shown to the user, so they can decide whether to grant them. Considered whether to filter the requested scopes down to actually understood scopes that would be granted, but decided that this was a bit complex for a first step, since role role selection and other kinds of scopes are mixed into the same field here.
author Kim Alvefur <zash@zash.se>
date Thu, 23 Mar 2023 16:28:08 +0100
parents bbfcd786cc78
children
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95ab35ef52ba mod_turncredentials: XEP-0215 implementation for time-limited turn credentials
Philipp Hancke <fippo@goodadvice.pages.de>
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1 -- XEP-0215 implementation for time-limited turn credentials
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2 -- Copyright (C) 2012-2013 Philipp Hancke
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3 -- This file is MIT/X11 licensed.
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5 local st = require "util.stanza";
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6 local hmac_sha1 = require "util.hashes".hmac_sha1;
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7 local base64 = require "util.encodings".base64;
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8 local os_time = os.time;
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9 local datetime = require "util.datetime".datetime;
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0ae2c250f274 mod_turncredentials: Use type-specific get_option() methods where appropriate, and pass in default values
Matthew Wild <mwild1@gmail.com>
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10 local secret = module:get_option_string("turncredentials_secret");
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11 local host = module:get_option_string("turncredentials_host"); -- use ip addresses here to avoid further dns lookup latency
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12 local port = module:get_option_number("turncredentials_port", 3478);
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13 local ttl = module:get_option_number("turncredentials_ttl", 86400);
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14 if not (secret and host) then
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15 module:log("error", "turncredentials not configured");
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16 return;
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17 end
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18
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afae347928d8 mod_turncredentials: Advertise the XEP-0215 feature (thanks Gryffus)
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19 module:add_feature("urn:xmpp:extdisco:1");
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21 module:hook("iq-get/host/urn:xmpp:extdisco:1:services", function(event)
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22 local origin, stanza = event.origin, event.stanza;
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a18effacd384 mod_turncredentials: No need to check tag name, we're already in the event handler for the 'services' tag
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23 if origin.type ~= "c2s" then
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24 return;
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25 end
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915c7bd5f754 mod_turncredentials: Rename variable for clarity
Kim Alvefur <zash@zash.se>
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26 local expires_at = os_time() + ttl;
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27 local userpart = tostring(expires_at);
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28 local nonce = base64.encode(hmac_sha1(secret, tostring(userpart), false));
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29 origin.send(st.reply(stanza):tag("services", {xmlns = "urn:xmpp:extdisco:1"})
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30 :tag("service", { type = "stun", host = host, port = ("%d"):format(port) }):up()
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31 :tag("service", { type = "turn", host = host, port = ("%d"):format(port), username = userpart, password = nonce, ttl = ("%d"):format(ttl) }):up()
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32 );
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33 return true;
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34 end);
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36 module:add_feature("urn:xmpp:extdisco:2");
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38 module:hook("iq-get/host/urn:xmpp:extdisco:2:services", function(event)
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39 local origin, stanza = event.origin, event.stanza;
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40 if origin.type ~= "c2s" then
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41 return;
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42 end
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43 local expires_at = os_time() + ttl;
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44 local userpart = tostring(expires_at);
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45 local nonce = base64.encode(hmac_sha1(secret, tostring(userpart), false));
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46 origin.send(st.reply(stanza):tag("services", {xmlns = "urn:xmpp:extdisco:2"})
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47 :tag("service", { type = "stun", transport = "udp", host = host, port = ("%d"):format(port) }):up()
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48 :tag("service", { type = "stun", transport = "tcp", host = host, port = ("%d"):format(port) }):up()
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49 :tag("service", { type = "turn", transport = "udp", host = host, port = ("%d"):format(port), username = userpart, password = nonce, expires = datetime(expires_at), restricted = "1" }):up()
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50 :tag("service", { type = "turn", transport = "tcp", host = host, port = ("%d"):format(port), username = userpart, password = nonce, expires = datetime(expires_at), restricted = "1" }):up()
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51 );
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52 return true;
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53 end);