Mercurial > prosody-modules

annotate mod_mam_adhoc/mod_mam_adhoc.lua @ 3656:3e0f4d727825

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mod_vcard_muc: Add an alternative method of signaling avatar change When the avatar has been changed, a signal is sent that the room configuration has changed. Clients then do a disco#info query to find the SHA-1 of the new avatar. They can then fetch it as before, or not if they have it cached already. This is meant to be less disruptive than signaling via presence, which caused problems for some clients. If clients transition to the new method, the old one can eventually be removed. The namespace is made up while waiting for standardization. Otherwise it is very close to what's described in https://xmpp.org/extensions/inbox/muc-avatars.html
author Kim Alvefur <zash@zash.se>
date Sun, 25 Aug 2019 20:46:43 +0200
parents 27b41ee61601
children
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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 jid_split = require "util.jid".split;
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4 local t_insert = table.insert;
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5 local prefs = module:require"mod_mam/mamprefs";
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6 local set_prefs, get_prefs = prefs.set, prefs.get;
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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 function mam_prefs_handler(self, data, state)
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42 local username = jid_split(data.from);
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43 if state then -- the second return value
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44 if data.action == "cancel" then
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45 return { status = "canceled" };
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46 end
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47
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48 local fields = mam_prefs_form:data(data.form);
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49
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50 local default, always, never = fields.default, fields.always, fields.never;
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51 local prefs = {};
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52 if default then
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53 prefs[false] = default_attrs[default];
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54 end
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55 if always then
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56 for i=1,#always do
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57 prefs[always[i]] = true;
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58 end
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59 end
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60 if never then
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61 for i=1,#never do
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62 prefs[never[i]] = false;
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63 end
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64 end
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65
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66 set_prefs(username, prefs);
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67
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68 return { status = "completed" }
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69 else -- No state, send the form.
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70 local prefs = get_prefs(username);
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71 local values = {
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72 default = {
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73 { value = "always", label = "Always" };
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74 { value = "never", label = "Never" };
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75 { value = "roster", label = "Roster" };
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76 };
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77 always = {};
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78 never = {};
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79 };
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80
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81 for jid, p in pairs(prefs) do
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82 if jid then
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83 t_insert(values[p and "always" or "never"], jid);
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84
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85 elseif p == true then -- Yes, this is ugly. FIXME later.
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86 values.default[1].default = true;
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87 elseif p == false then
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88 values.default[2].default = true;
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89 elseif p == "roster" then
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90 values.default[3].default = true;
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91 end
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92 end
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93 return { status = "executing", actions = { "complete" }, form = { layout = mam_prefs_form, values = values } }, true;
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94 end
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95 end
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96
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97 module:provides("adhoc", module:require"adhoc".new("Archive settings", "urn:xmpp:mam#configure", mam_prefs_handler, "local_user"));