annotate mod_auth_imap/auth_imap/mod_auth_imap.lua @ 1200:34216cdffda6

mod_auth_imap: unfortunately large commit which adds support for SSL (including cert verification), appending the realm to usernames, and various IMAP protocol fixes
author Matthew Wild <mwild1@gmail.com>
date Thu, 26 Sep 2013 18:14:45 +0100
parents b21bd39c8a12
children 744af76b7324
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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");
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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 local append_host = module:get_option_boolean("auth_append_host");
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15
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16 local verify_certificate = module:get_option_boolean("auth_imap_verify_certificate", true);
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17 local ssl_params = module:get_option("auth_imap_ssl", {
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18 mode = "client", protocol = "sslv23";
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19 capath = "/etc/ssl/certs";
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20 options = { "no_sslv2", "no_sslv3" };
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21 verify = verify_certificate and { "peer", "fail_if_no_peer_cert" } or nil;
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22 ciphers = "HIGH:!DSS:!aNULL@STRENGTH";
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23 });
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24
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25 local new_imap_sasl = module:require "sasl_imap".new;
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27 local new_sasl = function(realm)
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28 return new_imap_sasl(
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29 imap_service_realm or realm,
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30 imap_service_name or "xmpp",
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31 imap_host, imap_port,
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32 ssl_params, append_host
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33 );
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34 end
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35
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36 do
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37 local s = new_sasl(module.host)
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38 assert(s, "Could not create a new SASL object");
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39 assert(s.mechanisms, "SASL object has no mechanims method");
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40 local m = {};
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41 for k in pairs(s:mechanisms()) do
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42 table.insert(m, k);
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43 end
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44 log("debug", "Mechanims found: %s", table.concat(m, ", "));
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45 end
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46
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47 provider = {
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48 name = module.name:gsub("^auth_","");
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49 };
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50
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51 function provider.test_password(username, password)
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52 return nil, "Legacy auth not supported with "..name;
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53 end
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54
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55 function provider.get_password(username)
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56 return nil, "Passwords unavailable for "..name;
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57 end
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58
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59 function provider.set_password(username, password)
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60 return nil, "Passwords unavailable for "..name;
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61 end
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62
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63 function provider.user_exists(username)
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64 -- FIXME
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65 return true
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66 end
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67
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68 function provider.create_user(username, password)
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69 return nil, "Account creation/modification not available with "..name;
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70 end
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71
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72 function provider.get_sasl_handler()
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73 return new_sasl(module.host);
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74 end
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75
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76 module:add_item("auth-provider", provider);
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77