prosody
ced7a6b8bcd0
plugins/mod_legacyauth.lua

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plugins/mod_legacyauth.lua @ 1831:ced7a6b8bcd0

mod_legacyauth: Added node and resource prepping.
author Waqas Hussain <waqas20@gmail.com>
date Sun, 27 Sep 2009 15:21:08 +0500
parent 1523:841d61be198f
child 1832:a805e4fe104a
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2009 Matthew Wild
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3 -- Copyright (C) 2008-2009 Waqas Hussain
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4 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9
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11 local st = require "util.stanza";
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12 local t_concat = table.concat;
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13
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14 local config = require "core.configmanager";
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15 local secure_auth_only = config.get(module:get_host(), "core", "require_encryption");
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17 local sessionmanager = require "core.sessionmanager";
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18 local usermanager = require "core.usermanager";
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19 local nodeprep = require "util.encodings".stringprep.nodeprep;
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20 local resourceprep = require "util.encodings".stringprep.resourceprep;
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22 module:add_feature("jabber:iq:auth");
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23 module:add_event_hook("stream-features", function (session, features)
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24 if secure_auth_only and not session.secure then
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25 -- Sorry, not offering to insecure streams!
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26 return;
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27 elseif not session.username then
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28 features:tag("auth", {xmlns='http://jabber.org/features/iq-auth'}):up();
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29 end
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30 end);
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32 module:add_iq_handler("c2s_unauthed", "jabber:iq:auth",
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33 function (session, stanza)
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34 if secure_auth_only and not session.secure then
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35 session.send(st.error_reply(stanza, "modify", "not-acceptable", "Encryption (SSL or TLS) is required to connect to this server"));
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36 return true;
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37 end
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38
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39 local username = stanza.tags[1]:child_with_name("username");
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40 local password = stanza.tags[1]:child_with_name("password");
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41 local resource = stanza.tags[1]:child_with_name("resource");
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42 if not (username and password and resource) then
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43 local reply = st.reply(stanza);
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44 session.send(reply:query("jabber:iq:auth")
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45 :tag("username"):up()
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46 :tag("password"):up()
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47 :tag("resource"):up());
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48 return true;
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49 else
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50 username, password, resource = t_concat(username), t_concat(password), t_concat(resource);
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51 username = nodeprep(username);
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52 resource = resourceprep(resource)
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53 local reply = st.reply(stanza);
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54 require "core.usermanager"
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55 if username and usermanager.validate_credentials(session.host, username, password) then
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56 -- Authentication successful!
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57 local success, err = sessionmanager.make_authenticated(session, username);
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58 if success then
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59 local err_type, err_msg;
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60 success, err_type, err, err_msg = sessionmanager.bind_resource(session, resource);
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61 if not success then
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62 session.send(st.error_reply(stanza, err_type, err, err_msg));
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63 return true;
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64 end
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65 end
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66 session.send(st.reply(stanza));
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67 return true;
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68 else
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69 local reply = st.reply(stanza);
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70 reply.attr.type = "error";
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71 reply:tag("error", { code = "401", type = "auth" })
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72 :tag("not-authorized", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" });
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73 session.send(reply);
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74 return true;
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75 end
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76 end
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78 end);