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mod_auth_imap/auth_imap/mod_auth_imap.lua @ 1740:11f7fb2f927f
mod_storage_xmlarchive: Code is annoying to read when every other line is 'if not ok then return'
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 18 May 2015 02:44:41 +0200 |
parent | 1202:2cce28fe806b |
rev | line source |
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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"); |
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11 local imap_service_realm = module:get_option_string("imap_auth_realm", module:get_option("sasl_realm")); |
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12 local imap_service_name = module:get_option_string("imap_auth_service_name"); |
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13 local append_host = module:get_option_boolean("auth_append_host"); |
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14 |
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15 local verify_certificate = module:get_option_boolean("auth_imap_verify_certificate", true); |
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16 local ssl_params = module:get_option("auth_imap_ssl", { |
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17 mode = "client", protocol = "sslv23"; |
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18 capath = "/etc/ssl/certs"; |
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19 options = { "no_sslv2", "no_sslv3" }; |
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20 verify = verify_certificate and { "peer", "fail_if_no_peer_cert" } or nil; |
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21 ciphers = "HIGH:!DSS:!aNULL@STRENGTH"; |
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22 }); |
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23 |
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24 local new_imap_sasl = module:require "sasl_imap".new; |
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25 |
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26 local new_sasl = function(realm) |
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27 return new_imap_sasl( |
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28 imap_service_realm or realm, |
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29 imap_service_name or "xmpp", |
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30 imap_host, imap_port, |
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31 ssl_params, append_host |
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32 ); |
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33 end |
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34 |
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35 do |
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36 local s = new_sasl(module.host) |
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37 assert(s, "Could not create a new SASL object"); |
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38 assert(s.mechanisms, "SASL object has no mechanims method"); |
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39 local m = {}; |
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40 for k in pairs(s:mechanisms()) do |
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41 table.insert(m, k); |
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42 end |
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43 log("debug", "Mechanims found: %s", table.concat(m, ", ")); |
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44 end |
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45 |
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46 provider = { |
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47 name = module.name:gsub("^auth_",""); |
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48 }; |
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49 |
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50 function provider.test_password(username, password) |
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51 return nil, "Legacy auth not supported with "..name; |
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52 end |
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53 |
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54 function provider.get_password(username) |
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55 return nil, "Passwords unavailable for "..name; |
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56 end |
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57 |
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58 function provider.set_password(username, password) |
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59 return nil, "Passwords unavailable for "..name; |
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60 end |
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61 |
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62 function provider.user_exists(username) |
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63 -- FIXME |
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64 return true |
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65 end |
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66 |
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67 function provider.create_user(username, password) |
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68 return nil, "Account creation/modification not available with "..name; |
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69 end |
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70 |
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71 function provider.get_sasl_handler() |
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72 return new_sasl(module.host); |
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73 end |
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74 |
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75 module:add_item("auth-provider", provider); |
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76 |