prosody
92b6aa3ea2ce
plugins/mod_mam/mod_mam.lua

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plugins/mod_mam/mod_mam.lua @ 7840:92b6aa3ea2ce

mod_mam: Decrease priority to zero
author Kim Alvefur <zash@zash.se>
date Fri, 18 Nov 2016 10:44:27 +0100
parent 7839:f3e1925f29c2
child 7841:ca3bdb606b1f
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7836
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Kim Alvefur <zash@zash.se>
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1 -- XEP-0313: Message Archive Management for Prosody
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Kim Alvefur <zash@zash.se>
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2 -- Copyright (C) 2011-2016 Kim Alvefur
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3 --
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4 -- This file is MIT/X11 licensed.
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5
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6 local xmlns_mam = "urn:xmpp:mam:1";
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7 local xmlns_delay = "urn:xmpp:delay";
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8 local xmlns_forward = "urn:xmpp:forward:0";
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9
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10 local um = require "core.usermanager";
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11 local st = require "util.stanza";
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12 local rsm = require "rsm";
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13 local get_prefs = module:require"mamprefs".get;
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14 local set_prefs = module:require"mamprefs".set;
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15 local prefs_to_stanza = module:require"mamprefsxml".tostanza;
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16 local prefs_from_stanza = module:require"mamprefsxml".fromstanza;
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17 local jid_bare = require "util.jid".bare;
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18 local jid_split = require "util.jid".split;
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19 local dataform = require "util.dataforms".new;
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20 local host = module.host;
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21
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22 local rm_load_roster = require "core.rostermanager".load_roster;
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23
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24 local is_stanza = st.is_stanza;
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25 local tostring = tostring;
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26 local time_now = os.time;
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27 local m_min = math.min;
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28 local timestamp, timestamp_parse = require "util.datetime".datetime, require "util.datetime".parse;
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29 local default_max_items, max_max_items = 20, module:get_option_number("max_archive_query_results", 50);
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30 local global_default_policy = module:get_option("default_archive_policy", true);
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31 if global_default_policy ~= "roster" then
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32 global_default_policy = module:get_option_boolean("default_archive_policy", global_default_policy);
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33 end
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34
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35 local archive_store = "archive2";
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36 local archive = assert(module:open_store(archive_store, "archive"));
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37
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38 if archive.name == "null" or not archive.find then
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39 if not archive.find then
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40 module:log("debug", "Attempt to open archive storage returned a valid driver but it does not seem to implement the storage API");
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41 module:log("debug", "mod_%s does not support archiving", archive._provided_by or archive.name and "storage_"..archive.name.."(?)" or "<unknown>");
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42 else
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43 module:log("debug", "Attempt to open archive storage returned null driver");
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44 end
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45 module:log("debug", "See https://prosody.im/doc/storage and https://prosody.im/doc/archiving for more information");
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46 module:log("info", "Using in-memory fallback archive driver");
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47 archive = module:require "fallback_archive";
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48 end
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49
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50 local cleanup;
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51
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52 -- Handle prefs.
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53 module:hook("iq/self/"..xmlns_mam..":prefs", function(event)
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54 local origin, stanza = event.origin, event.stanza;
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55 local user = origin.username;
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56 if stanza.attr.type == "get" then
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57 local prefs = prefs_to_stanza(get_prefs(user));
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58 local reply = st.reply(stanza):add_child(prefs);
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59 origin.send(reply);
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60 else -- type == "set"
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61 local new_prefs = stanza:get_child("prefs", xmlns_mam);
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62 local prefs = prefs_from_stanza(new_prefs);
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63 local ok, err = set_prefs(user, prefs);
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64 if not ok then
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65 origin.send(st.error_reply(stanza, "cancel", "internal-server-error", "Error storing preferences: "..tostring(err)));
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66 else
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67 origin.send(st.reply(stanza));
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68 end
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69 end
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70 return true;
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71 end);
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72
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73 local query_form = dataform {
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74 { name = "FORM_TYPE"; type = "hidden"; value = xmlns_mam; };
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75 { name = "with"; type = "jid-single"; };
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76 { name = "start"; type = "text-single" };
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77 { name = "end"; type = "text-single"; };
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78 };
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79
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80 -- Serve form
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81 module:hook("iq-get/self/"..xmlns_mam..":query", function(event)
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82 local origin, stanza = event.origin, event.stanza;
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83 origin.send(st.reply(stanza):add_child(query_form:form()));
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84 return true;
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85 end);
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86
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87 -- Handle archive queries
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88 module:hook("iq-set/self/"..xmlns_mam..":query", function(event)
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89 local origin, stanza = event.origin, event.stanza;
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90 local query = stanza.tags[1];
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91 local qid = query.attr.queryid;
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92
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93 if cleanup then cleanup[origin.username] = true; end
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94
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95 -- Search query parameters
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96 local qwith, qstart, qend;
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97 local form = query:get_child("x", "jabber:x:data");
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98 if form then
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99 local err;
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100 form, err = query_form:data(form);
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101 if err then
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102 origin.send(st.error_reply(stanza, "modify", "bad-request", select(2, next(err))));
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103 return true;
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104 end
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105 qwith, qstart, qend = form["with"], form["start"], form["end"];
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106 qwith = qwith and jid_bare(qwith); -- dataforms does jidprep
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107 end
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108
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109 if qstart or qend then -- Validate timestamps
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110 local vstart, vend = (qstart and timestamp_parse(qstart)), (qend and timestamp_parse(qend));
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111 if (qstart and not vstart) or (qend and not vend) then
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112 origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid timestamp"))
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113 return true;
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114 end
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115 qstart, qend = vstart, vend;
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116 end
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117
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118 module:log("debug", "Archive query, id %s with %s from %s until %s)",
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119 tostring(qid), qwith or "anyone", qstart or "the dawn of time", qend or "now");
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120
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121 -- RSM stuff
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122 local qset = rsm.get(query);
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123 local qmax = m_min(qset and qset.max or default_max_items, max_max_items);
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124 local reverse = qset and qset.before or false;
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125 local before, after = qset and qset.before, qset and qset.after;
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126 if type(before) ~= "string" then before = nil; end
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127
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128
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129 -- Load all the data!
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130 local data, err = archive:find(origin.username, {
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131 start = qstart; ["end"] = qend; -- Time range
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132 with = qwith;
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133 limit = qmax + 1;
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134 before = before; after = after;
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135 reverse = reverse;
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136 total = true;
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137 });
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138
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139 if not data then
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parents:
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140 origin.send(st.error_reply(stanza, "cancel", "internal-server-error", err));
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 return true;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 local total = tonumber(err);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 local msg_reply_attr = { to = stanza.attr.from, from = stanza.attr.to };
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 local results = {};
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149 -- Wrap it in stuff and deliver
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150 local first, last;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 local count = 0;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 local complete = "true";
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153 for id, item, when in data do
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154 count = count + 1;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155 if count > qmax then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156 complete = nil;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 break;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
158 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 local fwd_st = st.message(msg_reply_attr)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
160 :tag("result", { xmlns = xmlns_mam, queryid = qid, id = id })
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161 :tag("forwarded", { xmlns = xmlns_forward })
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
162 :tag("delay", { xmlns = xmlns_delay, stamp = timestamp(when) }):up();
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
163
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
164 if not is_stanza(item) then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
165 item = st.deserialize(item);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
167 item.attr.xmlns = "jabber:client";
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
168 fwd_st:add_child(item);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
169
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
170 if not first then first = id; end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
171 last = id;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
172
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
173 if reverse then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174 results[count] = fwd_st;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 else
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
176 origin.send(fwd_st);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
177 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
178 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
180 if reverse then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
181 for i = #results, 1, -1 do
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 origin.send(results[i]);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
183 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 first, last = last, first;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
185 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
186
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
187 -- That's all folks!
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188 module:log("debug", "Archive query %s completed", tostring(qid));
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189
7839
f3e1925f29c2 mod_mam: Update to XEP-0313 v0.5.1
Kim Alvefur <zash@zash.se>
parents: 7838
diff changeset
190 origin.send(st.reply(stanza)
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
191 :tag("fin", { xmlns = xmlns_mam, queryid = qid, complete = complete })
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
192 :add_child(rsm.generate {
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
193 first = first, last = last, count = total }));
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
194 return true;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
195 end);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
196
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
197 local function has_in_roster(user, who)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
198 local roster = rm_load_roster(user, host);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
199 module:log("debug", "%s has %s in roster? %s", user, who, roster[who] and "yes" or "no");
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
200 return roster[who];
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
201 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
202
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
203 local function shall_store(user, who)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
204 -- TODO Cache this?
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
205 if not um.user_exists(user, host) then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
206 return false;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
207 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
208 local prefs = get_prefs(user);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
209 local rule = prefs[who];
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
210 module:log("debug", "%s's rule for %s is %s", user, who, tostring(rule));
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
211 if rule ~= nil then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
212 return rule;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
213 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
214 -- Below could be done by a metatable
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
215 local default = prefs[false];
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
216 module:log("debug", "%s's default rule is %s", user, tostring(default));
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
217 if default == nil then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
218 default = global_default_policy;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
219 module:log("debug", "Using global default rule, %s", tostring(default));
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
220 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 if default == "roster" then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222 return has_in_roster(user, who);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
224 return default;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
225 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
226
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
227 -- Handle messages
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
228 local function message_handler(event, c2s)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
229 local origin, stanza = event.origin, event.stanza;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
230 local log = c2s and origin.log or module._log;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
231 local orig_type = stanza.attr.type or "normal";
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
232 local orig_from = stanza.attr.from;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
233 local orig_to = stanza.attr.to or orig_from;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
234 -- Stanza without 'to' are treated as if it was to their own bare jid
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
235
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
236 -- We store chat messages or normal messages that have a body
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
237 if not(orig_type == "chat" or (orig_type == "normal" and stanza:get_child("body")) ) then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
238 log("debug", "Not archiving stanza: %s (type)", stanza:top_tag());
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
239 return;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
240 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
241 -- or if hints suggest we shouldn't
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
242 if stanza:get_child("no-permanent-storage", "urn:xmpp:hints") -- The XEP needs to decide on "store" or "storage"
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
243 or stanza:get_child("no-permanent-store", "urn:xmpp:hints")
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
244 or stanza:get_child("no-storage", "urn:xmpp:hints")
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
245 or stanza:get_child("no-store", "urn:xmpp:hints") then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
246 log("debug", "Not archiving stanza: %s (hint)", stanza:top_tag());
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
247 return;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
248 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
249
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
250 -- Whos storage do we put it in?
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
251 local store_user = c2s and origin.username or jid_split(orig_to);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
252 -- And who are they chatting with?
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
253 local with = jid_bare(c2s and orig_to or orig_from);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
254
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
255 -- Check with the users preferences
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
256 if shall_store(store_user, with) then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
257 log("debug", "Archiving stanza: %s", stanza:top_tag());
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
258
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
259 -- And stash it
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
260 local ok, id = archive:append(store_user, nil, stanza, time_now(), with);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
261 if ok then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
262 if cleanup then cleanup[store_user] = true; end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
263 module:fire_event("archive-message-added", { origin = origin, stanza = stanza, for_user = store_user, id = id });
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
264 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
265 else
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
266 log("debug", "Not archiving stanza: %s (prefs)", stanza:top_tag());
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
267 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
268 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
269
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
270 local function c2s_message_handler(event)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
271 return message_handler(event, true);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
272 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
273
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
274 local cleanup_after = module:get_option_string("archive_expires_after", "1w");
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
275 local cleanup_interval = module:get_option_number("archive_cleanup_interval", 4 * 60 * 60);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
276 if cleanup_after ~= "never" then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
277 local day = 86400;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
278 local multipliers = { d = day, w = day * 7, m = 31 * day, y = 365.2425 * day };
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
279 local n, m = cleanup_after:lower():match("(%d+)%s*([dwmy]?)");
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
280 if not n then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
281 module:log("error", "Could not parse archive_expires_after string %q", cleanup_after);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
282 return false;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
283 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
284
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
285 cleanup_after = tonumber(n) * ( multipliers[m] or 1 );
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
286
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
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287 module:log("debug", "archive_expires_after = %d -- in seconds", cleanup_after);
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288
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289 if not archive.delete then
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290 module:log("error", "archive_expires_after set but mod_%s does not support deleting", archive._provided_by);
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291 return false;
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292 end
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293
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294 cleanup = {};
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295
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296 pcall(function ()
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297 for user in um.users(module.host) do
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298 cleanup[user] = true;
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299 end
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300 end);
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301
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302 module:add_timer(math.random(10, 60), function()
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303 local user = next(cleanup);
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304 if user then
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305 module:log("debug", "Removing old messages for user %q", user);
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306 local ok, err = archive:delete(user, { ["end"] = os.time() - cleanup_after; })
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307 if not ok then
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308 module:log("warn", "Could not expire archives for user %s: %s", user, err);
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309 else
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310 -- :affected() is a recent addition for eg SQLite3 in LuaDBI
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311 pcall(function(stmt)
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312 module:log("debug", "Removed %d messages", stmt:affected());
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313 end, err);
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314 end
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315 cleanup[user] = nil;
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316 end
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317 return math.random(cleanup_interval, cleanup_interval * 2);
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318 end);
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319 end
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320
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321 -- Stanzas sent by local clients
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322 module:hook("pre-message/bare", c2s_message_handler, 0);
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323 module:hook("pre-message/full", c2s_message_handler, 0);
7836
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324 -- Stanszas to local clients
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325 module:hook("message/bare", message_handler, 0);
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326 module:hook("message/full", message_handler, 0);
7836
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327
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328 module:add_feature(xmlns_mam); -- COMPAT with XEP-0313 v 0.1
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329
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330 module:hook("account-disco-info", function(event)
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331 (event.reply or event.stanza):tag("feature", {var=xmlns_mam}):up();
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332 end);
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333