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annotate mod_mam_adhoc/mod_mam_adhoc.lua @ 737:e4ea03b060ed

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mod_archive: switch from/to The XEP-0136 is not very explicit about the meening of <from> and <to> elements, but the examples are clear: <from> means it comes from the user in the 'with' attribute of the collection. That is the opposite of what is currently implemented in that module. So for better compatibility with complient clients, this switch the 'from' and 'to' fields
author Olivier Goffart <ogoffart@woboq.com>
date Wed, 04 Jul 2012 14:08:43 +0200
parents 5879368d9ff7
children 6c7b6a0dcacf
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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
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113 module:provides("adhoc", module:require"adhoc".new("Archive settings", "mamprefs", mam_prefs_handler));