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annotate mod_auth_imap/auth_imap/mod_auth_imap.lua @ 1196:f45ca6edc159

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mod_auth_imap: Authentication module that works by passing through SASL to a IMAP connection
author Kim Alvefur <zash@zash.se>
date Thu, 26 Sep 2013 13:43:27 +0200
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children b21bd39c8a12
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1196
f45ca6edc159 mod_auth_imap: Authentication module that works by passing through SASL to a IMAP connection
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1 -- IMAP authentication backend for Prosody
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2 --
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3 -- Copyright (C) 2011 FIMXE from hg annotate -u
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4
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5 local name = "IMAP SASL";
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6 local log = require "util.logger".init("auth_imap");
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7
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8 local imap_host = module:get_option_string("imap_auth_host", "localhost");
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9 local imap_port = module:get_option_number("imap_auth_port", 143);
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10
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11
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12 local imap_service_realm = module:get_option("imap_service_realm");
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13 local imap_service_name = module:get_option("imap_service_name");
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14
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15
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16 local new_imap_sasl = module:require "sasl_imap".new;
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17
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18 local new_sasl = function(realm)
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19 return new_imap_sasl(
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20 imap_service_realm or realm,
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21 imap_service_name or "xmpp",
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22 imap_host, imap_port
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23 );
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24 end
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25
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26 do
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27 local s = new_sasl(module.host)
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28 assert(s, "Could not create a new SASL object");
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29 assert(s.mechanisms, "SASL object has no mechanims method");
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30 local m = {};
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31 for k in pairs(s:mechanisms()) do
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32 table.insert(m, k);
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33 end
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34 log("debug", "Mechanims found: %s", table.concat(m, ", "));
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35 end
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36
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37 provider = {
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38 name = module.name:gsub("^auth_","");
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39 };
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40
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41 function provider.test_password(username, password)
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42 return nil, "Legacy auth not supported with "..name;
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43 end
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44
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45 function provider.get_password(username)
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46 return nil, "Passwords unavailable for "..name;
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47 end
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48
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49 function provider.set_password(username, password)
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50 return nil, "Passwords unavailable for "..name;
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51 end
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52
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53 function provider.user_exists(username)
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54 -- FIXME
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55 return true
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56 end
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57
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58 function provider.create_user(username, password)
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59 return nil, "Account creation/modification not available with "..name;
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60 end
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61
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62 function provider.get_sasl_handler()
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63 return new_sasl(module.host);
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64 end
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65
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66 module:add_item("auth-provider", provider);
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67