Mercurial > prosody-modules

annotate mod_mam_adhoc/mod_mam_adhoc.lua @ 832:9087431d35f6

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mod_carbons: Add comments and rename some variables to make it clearer
author Kim Alvefur <zash@zash.se>
date Tue, 18 Sep 2012 18:58:13 +0200
parents 6c7b6a0dcacf
children 91d210b6106a
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1 module:depends"adhoc";
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2 local dataforms_new = require "util.dataforms".new;
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3 local dm_load = require "util.datamanager".load;
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4 local dm_store = require "util.datamanager".store;
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5 local jid_split = require "util.jid".split;
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6 local t_insert = table.insert;
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7
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8 local mam_prefs_form = dataforms_new{
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9 title = "Archive preferences";
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10 --instructions = "";
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11 {
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12 name = "default",
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13 label = "Default storage policy",
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14 type = "list-single",
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15 value = {
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16 { value = "always", label = "Always" },
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17 { value = "never", label = "Never", default = true},
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18 { value = "roster", label = "Roster" },
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19 },
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20 };
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21 {
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22 name = "always",
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23 label = "Always store messages to/from",
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24 type = "jid-multi"
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25 };
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26 {
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27 name = "never",
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28 label = "Never store messages to/from",
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29 type = "jid-multi"
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30 };
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31 };
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32
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33 local host = module.host;
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34
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35 local default_attrs = {
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36 always = true, [true] = "always",
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37 never = false, [false] = "never",
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38 roster = "roster",
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39 }
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40
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41 local global_default_policy = module:get_option("default_archive_policy", false);
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42 local archive_store = "archive2";
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43 local prefs_store = archive_store .. "_prefs";
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44 local function get_prefs(user)
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45 return dm_load(user, host, prefs_store) or
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46 { [false] = global_default_policy };
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47 end
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48 local function set_prefs(user, prefs)
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49 return dm_store(user, host, prefs_store, prefs);
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50 end
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51
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52 local function mam_prefs_handler(self, data, state)
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53 local username, hostname = jid_split(data.from);
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54 if state then -- the second return value
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55 if data.action == "cancel" then
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56 return { status = "canceled" };
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57 end
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58
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59 if not username or not hostname or hostname ~= module.host then
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60 return { status = "error", error = { type = "cancel",
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61 condition = "forbidden", message = "Invalid user or hostname." } };
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62 end
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63
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64 local fields = mam_prefs_form:data(data.form);
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65
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66 local default, always, never = fields.default, fields.always, fields.never;
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67 local prefs = {};
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68 if default then
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69 prefs[false] = default_attrs[default];
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70 end
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71 if always then
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72 for i=1,#always do
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73 prefs[always[i]] = true;
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74 end
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75 end
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76 if never then
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77 for i=1,#never do
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78 prefs[never[i]] = false;
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79 end
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80 end
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81
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82 set_prefs(username, prefs);
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83
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84 return { status = "completed" }
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85 else -- No state, send the form.
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86 local prefs = get_prefs(username);
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87 local values = {
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88 default = {
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89 { value = "always", label = "Always" };
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90 { value = "never", label = "Never" };
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91 { value = "roster", label = "Roster" };
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92 };
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93 always = {};
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94 never = {};
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95 };
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96
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97 for jid, p in pairs(prefs) do
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98 if jid then
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99 t_insert(values[p and "always" or "never"], jid);
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100
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101 elseif p == true then -- Yes, this is ugly. FIXME later.
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102 values.default[1].default = true;
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103 elseif p == false then
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104 values.default[2].default = true;
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105 elseif p == "roster" then
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106 values.default[3].default = true;
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107 end
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108 end
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109 return { status = "executing", actions = { "complete" }, form = { layout = mam_prefs_form, values = values } }, true;
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110 end
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111 end
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112
739
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113 module:provides("adhoc", module:require"adhoc".new("Archive settings", "urn:xmpp:mam#configure", mam_prefs_handler));