prosody-modules
8a1beff848c1
mod_mam/mod_mam.lua

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mod_mam/mod_mam.lua @ 903:8a1beff848c1

mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
author Thijs Alkemade <thijsalkemade@gmail.com>
date Sun, 27 Jan 2013 17:34:16 +0100
parent 808:ba2e207e1fb7
child 982:ce8bb0386d08
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- XEP-0313: Message Archive Management for Prosody
523
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2 -- Copyright (C) 2011-2012 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:tmp";
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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 st = require "util.stanza";
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11 local rsm = module:require "rsm";
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12 local jid_bare = require "util.jid".bare;
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13 local jid_split = require "util.jid".split;
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14 local jid_prep = require "util.jid".prep;
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15 local host = module.host;
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16
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17 local dm_load = require "util.datamanager".load;
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18 local dm_store = require "util.datamanager".store;
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19 local dm_list_load = require "util.datamanager".list_load;
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20 local dm_list_append = require "util.datamanager".list_append;
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21 local rm_load_roster = require "core.rostermanager".load_roster;
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22
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23 local tostring = tostring;
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24 local time_now = os.time;
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25 local m_min = math.min;
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26 local t_insert = table.insert;
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27 local timestamp, timestamp_parse = require "util.datetime".datetime, require "util.datetime".parse;
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28 local uuid = require "util.uuid".generate;
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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", false);
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31 -- TODO Should be possible to enforce it too
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32
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33
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34 -- For translating preference names from string to boolean and back
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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 do
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42 local prefs_format = {
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43 [false] = "roster",
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44 -- default ::= true | false | "roster"
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45 -- true = always, false = never, nil = global default
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46 ["romeo@montague.net"] = true, -- always
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47 ["montague@montague.net"] = false, -- newer
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48 };
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49 end
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50
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51 local archive_store = "archive2";
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52 local prefs_store = archive_store .. "_prefs";
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53 local function get_prefs(user)
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54 return dm_load(user, host, prefs_store) or
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55 { [false] = global_default_policy };
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56 end
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57 local function set_prefs(user, prefs)
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58 return dm_store(user, host, prefs_store, prefs);
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59 end
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60
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61
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62 -- Handle prefs.
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63 module:hook("iq/self/"..xmlns_mam..":prefs", function(event)
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64 local origin, stanza = event.origin, event.stanza;
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65 local user = origin.username;
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66 if stanza.attr.type == "get" then
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67 local prefs = get_prefs(user);
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68 local default = prefs[false];
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69 default = default ~= nil and default_attrs[default] or global_default_policy;
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70 local reply = st.reply(stanza):tag("prefs", { xmlns = xmlns_mam, default = default })
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71 local always = st.stanza("always");
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72 local never = st.stanza("never");
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73 for k,v in pairs(prefs) do
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74 if k then
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75 (v and always or never):tag("jid"):text(k):up();
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76 end
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77 end
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78 reply:add_child(always):add_child(never);
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79 origin.send(reply);
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80 return true
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81 else -- type == "set"
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82 local prefs = {};
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83 local new_prefs = stanza:get_child("prefs", xmlns_mam);
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84 local new_default = new_prefs.attr.default;
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85 if new_default then
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86 prefs[false] = default_attrs[new_default];
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87 end
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88
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89 local always = new_prefs:get_child("always");
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90 if always then
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91 for rule in always:childtags("jid") do
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92 local jid = rule:get_text();
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93 prefs[jid] = true;
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94 end
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95 end
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96
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97 local never = new_prefs:get_child("never");
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98 if never then
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99 for rule in never:childtags("jid") do
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100 local jid = rule:get_text();
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101 prefs[jid] = false;
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102 end
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103 end
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104
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105 local ok, err = set_prefs(user, prefs);
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106 if not ok then
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107 origin.send(st.error_reply(stanza, "cancel", "internal-server-error", "Error storing preferences: "..tostring(err)));
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108 else
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109 origin.send(st.reply(stanza));
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110 end
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111 return true
523
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112 end
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113 end);
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114
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115 -- Handle archive queries
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116 module:hook("iq/self/"..xmlns_mam..":query", function(event)
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117 local origin, stanza = event.origin, event.stanza;
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118 local query = stanza.tags[1];
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119 if stanza.attr.type == "get" then
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120 local qid = query.attr.queryid;
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121
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122 -- Search query parameters
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123 local qwith = query:get_child_text("with");
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124 local qstart = query:get_child_text("start");
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125 local qend = query:get_child_text("end");
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126 local qset = rsm.get(query);
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127 module:log("debug", "Archive query, id %s with %s from %s until %s)",
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128 tostring(qid), qwith or "anyone", qstart or "the dawn of time", qend or "now");
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129
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130 if qstart or qend then -- Validate timestamps
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131 local vstart, vend = (qstart and timestamp_parse(qstart)), (qend and timestamp_parse(qend))
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parents: 800
diff changeset
132 if (qstart and not vstart) or (qend and not vend) then
751
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
133 origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid timestamp"))
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
134 return true
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
135 end
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
136 qstart, qend = vstart, vend;
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
137 end
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
138
799
53917d98d411 mod_mam: Change storage format to store bare JID + resource.
Kim Alvefur <zash@zash.se>
parents: 798
diff changeset
139 local qres;
751
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
140 if qwith then -- Validate the 'with' jid
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
141 local pwith = qwith and jid_prep(qwith);
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
142 if pwith and not qwith then -- it failed prepping
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
143 origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid JID"))
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
144 return true
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
145 end
799
53917d98d411 mod_mam: Change storage format to store bare JID + resource.
Kim Alvefur <zash@zash.se>
parents: 798
diff changeset
146 local _, _, resource = jid_split(qwith);
53917d98d411 mod_mam: Change storage format to store bare JID + resource.
Kim Alvefur <zash@zash.se>
parents: 798
diff changeset
147 qwith = jid_bare(pwith);
53917d98d411 mod_mam: Change storage format to store bare JID + resource.
Kim Alvefur <zash@zash.se>
parents: 798
diff changeset
148 qres = resource;
751
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
149 end
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 -- Load all the data!
675
da33325453fb mod_mam: Put name of store in a single variable
Kim Alvefur <zash@zash.se>
parents: 674
diff changeset
152 local data, err = dm_list_load(origin.username, origin.host, archive_store);
558
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
153 if not data then
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
154 if (not err) then
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
155 module:log("debug", "The archive was empty.");
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
156 origin.send(st.reply(stanza));
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
157 else
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
158 origin.send(st.error_reply(stanza, "cancel", "internal-server-error", "Error loading archive: "..tostring(err)));
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
159 end
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
160 return true
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
161 end
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
162
701
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
163 -- RSM stuff
706
5c2b96c4dde6 mod_mam: Enforce a max number of items returned, with a default.
Kim Alvefur <zash@zash.se>
parents: 705
diff changeset
164 local qmax = m_min(qset and qset.max or default_max_items, max_max_items);
701
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
165 local qset_matches = not (qset and qset.after);
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
166 local first, last, index;
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
167 local n = 0;
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
168 local start = qset and qset.index or 1;
903
8a1beff848c1 mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 808
diff changeset
169 local results = {};
8a1beff848c1 mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 808
diff changeset
170 -- An empty <before/> means: give the last n items. So we loop backwards.
8a1beff848c1 mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 808
diff changeset
171 local reverse = qset and qset.before or false;
701
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
172
558
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
173 module:log("debug", "Loaded %d items, about to filter", #data);
903
8a1beff848c1 mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 808
diff changeset
174 for i=(reverse and #data or start),(reverse and start or #data),(reverse and -1 or 1) do
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 local item = data[i];
799
53917d98d411 mod_mam: Change storage format to store bare JID + resource.
Kim Alvefur <zash@zash.se>
parents: 798
diff changeset
176 local when, with, resource = item.when, item.with, item.resource;
666
b42b75f3bda0 mod_mam: Add the UID to the <result> when sending an archived message back.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 635
diff changeset
177 local id = item.id;
701
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
178 --module:log("debug", "id is %s", id);
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
179
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
180 -- RSM pre-send-checking
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
181 if qset then
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
182 if qset.before == id then
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
183 module:log("debug", "End of matching range found");
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
184 qset_matches = false;
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
185 break;
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
186 end
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
187 end
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
188
558
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
189 --module:log("debug", "message with %s at %s", with, when or "???");
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 -- Apply query filter
799
53917d98d411 mod_mam: Change storage format to store bare JID + resource.
Kim Alvefur <zash@zash.se>
parents: 798
diff changeset
191 if (not qwith or ((qwith == with) and (not qres or qres == resource)))
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
192 and (not qstart or when >= qstart)
701
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
193 and (not qend or when <= qend)
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
194 and (not qset or qset_matches) then
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
195 local fwd_st = st.message{ to = origin.full_jid }
666
b42b75f3bda0 mod_mam: Add the UID to the <result> when sending an archived message back.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 635
diff changeset
196 :tag("result", { xmlns = xmlns_mam, queryid = qid, id = id }):up()
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
197 :tag("forwarded", { xmlns = xmlns_forward })
702
d94ee0848b27 mod_mam: Fix issue with get_text() and clean some unneeded variables.
Kim Alvefur <zash@zash.se>
parents: 701
diff changeset
198 :tag("delay", { xmlns = xmlns_delay, stamp = timestamp(when) }):up();
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
199 local orig_stanza = st.deserialize(item.stanza);
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
200 orig_stanza.attr.xmlns = "jabber:client";
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
201 fwd_st:add_child(orig_stanza);
903
8a1beff848c1 mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 808
diff changeset
202 if reverse then
8a1beff848c1 mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 808
diff changeset
203 t_insert(results, 1, fwd_st);
8a1beff848c1 mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 808
diff changeset
204 else
8a1beff848c1 mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 808
diff changeset
205 results[#results + 1] = fwd_st;
8a1beff848c1 mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 808
diff changeset
206 end
701
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
207 if not first then
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
208 index = i;
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
209 first = id;
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
210 end
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
211 last = id;
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
212 n = n + 1;
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
213 elseif (qend and when > qend) then
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
214 module:log("debug", "We have passed into messages more recent than requested");
673
9dcf98018644 mod_mam: Break when the message is more recent than the range requested
Kim Alvefur <zash@zash.se>
parents: 672
diff changeset
215 break -- We have passed into messages more recent than requested
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
216 end
701
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
217
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
218 -- RSM post-send-checking
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
219 if qset then
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
220 if qset.after == id then
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
221 module:log("debug", "Start of matching range found");
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
222 qset_matches = true;
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
223 end
711
53afd87f3612 mod_mam: Enforce max results even if RSM isn't used.
Kim Alvefur <zash@zash.se>
parents: 707
diff changeset
224 end
53afd87f3612 mod_mam: Enforce max results even if RSM isn't used.
Kim Alvefur <zash@zash.se>
parents: 707
diff changeset
225 if n >= qmax then
53afd87f3612 mod_mam: Enforce max results even if RSM isn't used.
Kim Alvefur <zash@zash.se>
parents: 707
diff changeset
226 module:log("debug", "Max number of items matched");
53afd87f3612 mod_mam: Enforce max results even if RSM isn't used.
Kim Alvefur <zash@zash.se>
parents: 707
diff changeset
227 break
701
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
228 end
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
229 end
903
8a1beff848c1 mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 808
diff changeset
230 for _,v in pairs(results) do
8a1beff848c1 mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 808
diff changeset
231 origin.send(v);
8a1beff848c1 mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 808
diff changeset
232 end
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
233 -- That's all folks!
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
234 module:log("debug", "Archive query %s completed", tostring(qid));
705
c9d0ba39a33b mod_mam: Move RSM pointer to last message into a MAM-namespaced child
Kim Alvefur <zash@zash.se>
parents: 702
diff changeset
235
c9d0ba39a33b mod_mam: Move RSM pointer to last message into a MAM-namespaced child
Kim Alvefur <zash@zash.se>
parents: 702
diff changeset
236 local reply = st.reply(stanza);
c9d0ba39a33b mod_mam: Move RSM pointer to last message into a MAM-namespaced child
Kim Alvefur <zash@zash.se>
parents: 702
diff changeset
237 if last then
c9d0ba39a33b mod_mam: Move RSM pointer to last message into a MAM-namespaced child
Kim Alvefur <zash@zash.se>
parents: 702
diff changeset
238 -- This is a bit redundant, isn't it?
903
8a1beff848c1 mod_mam: Implemented an empty <before/>, to request the last n items in the archive.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 808
diff changeset
239 reply:query(xmlns_mam):add_child(rsm.generate{first = (reverse and last or first), last = (reverse and first or last), count = n});
705
c9d0ba39a33b mod_mam: Move RSM pointer to last message into a MAM-namespaced child
Kim Alvefur <zash@zash.se>
parents: 702
diff changeset
240 end
c9d0ba39a33b mod_mam: Move RSM pointer to last message into a MAM-namespaced child
Kim Alvefur <zash@zash.se>
parents: 702
diff changeset
241 origin.send(reply);
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
242 return true
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
243 end
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
244 end);
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
245
558
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
246 local function has_in_roster(user, who)
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
247 local roster = rm_load_roster(user, host);
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
248 module:log("debug", "%s has %s in roster? %s", user, who, roster[who] and "yes" or "no");
798
2b8ceb4d1a73 mod_mam: remove useless check
Kim Alvefur <zash@zash.se>
parents: 751
diff changeset
249 return roster[who];
558
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
250 end
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
251
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
252 local function shall_store(user, who)
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
253 -- TODO Cache this?
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
254 local prefs = get_prefs(user);
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
255 local rule = prefs[who];
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
256 module:log("debug", "%s's rule for %s is %s", user, who, tostring(rule))
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
257 if rule ~= nil then
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
258 return rule;
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
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259 else -- Below could be done by a metatable
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260 local default = prefs[false];
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261 module:log("debug", "%s's default rule is %s", user, tostring(default))
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262 if default == nil then
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263 default = global_default_policy;
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264 module:log("debug", "Using global default rule, %s", tostring(default))
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265 end
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266 if default == "roster" then
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267 return has_in_roster(user, who);
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268 end
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269 return default;
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270 end
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271 end
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272
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273 -- Handle messages
523
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274 local function message_handler(event, c2s)
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275 local origin, stanza = event.origin, event.stanza;
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276 local orig_type = stanza.attr.type or "normal";
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277 local orig_to = stanza.attr.to;
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278 local orig_from = stanza.attr.from;
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279
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280 if not orig_from and c2s then
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281 orig_from = origin.full_jid;
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282 end
619
cade7dac6159 mod_mam: Try to not bork when sending a message to your bare jid
Kim Alvefur <zash@zash.se>
parents: 559
diff changeset
283 orig_to = orig_to or orig_from; -- Weird corner cases
523
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parents:
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284
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Kim Alvefur <zash@zash.se>
parents:
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285 -- Don't store messages of these types
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Kim Alvefur <zash@zash.se>
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286 if orig_type == "error"
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Kim Alvefur <zash@zash.se>
parents:
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287 or orig_type == "headline"
671
74efb2db00a6 mod_mam: From the spec: servers SHOULD NOT archive messages that do not have a <body/> child tag.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 666
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288 or orig_type == "groupchat"
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Thijs Alkemade <thijsalkemade@gmail.com>
parents: 666
diff changeset
289 or not stanza:get_child("body") then
523
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290 return;
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291 -- TODO Maybe headlines should be configurable?
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Kim Alvefur <zash@zash.se>
parents:
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292 -- TODO Write a mod_mam_muc for groupchat messages.
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parents:
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293 end
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parents:
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294
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295 local store_user, store_host = jid_split(c2s and orig_from or orig_to);
558
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296 local target_jid = c2s and orig_to or orig_from;
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297 local target_bare = jid_bare(target_jid);
799
53917d98d411 mod_mam: Change storage format to store bare JID + resource.
Kim Alvefur <zash@zash.se>
parents: 798
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298 local _, _, target_resource = jid_split(target_jid);
558
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299
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Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
300 if shall_store(store_user, target_bare) then
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parents: 523
diff changeset
301 module:log("debug", "Archiving stanza: %s", stanza:top_tag());
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parents: 523
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302
559
6be3a130c810 mod_mam: Store the message id more accessible.
Kim Alvefur <zash@zash.se>
parents: 558
diff changeset
303 local id = uuid();
558
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parents: 523
diff changeset
304 local when = time_now();
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parents: 523
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305 -- And stash it
675
da33325453fb mod_mam: Put name of store in a single variable
Kim Alvefur <zash@zash.se>
parents: 674
diff changeset
306 local ok, err = dm_list_append(store_user, store_host, archive_store, {
558
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parents: 523
diff changeset
307 -- WARNING This format may change.
559
6be3a130c810 mod_mam: Store the message id more accessible.
Kim Alvefur <zash@zash.se>
parents: 558
diff changeset
308 id = id,
701
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
309 when = when,
799
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Kim Alvefur <zash@zash.se>
parents: 798
diff changeset
310 with = target_bare,
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Kim Alvefur <zash@zash.se>
parents: 798
diff changeset
311 resource = target_resource,
558
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parents: 523
diff changeset
312 stanza = st.preserialize(stanza)
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parents: 523
diff changeset
313 });
672
8ae5317ba032 mod_mam: local tostring and some comments
Kim Alvefur <zash@zash.se>
parents: 671
diff changeset
314 --[[ This was dropped from the spec
8ae5317ba032 mod_mam: local tostring and some comments
Kim Alvefur <zash@zash.se>
parents: 671
diff changeset
315 if ok then
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Kim Alvefur <zash@zash.se>
parents: 671
diff changeset
316 stanza:tag("archived", { xmlns = xmlns_mam, by = host, id = id }):up();
8ae5317ba032 mod_mam: local tostring and some comments
Kim Alvefur <zash@zash.se>
parents: 671
diff changeset
317 end
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Kim Alvefur <zash@zash.se>
parents: 671
diff changeset
318 --]]
558
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parents: 523
diff changeset
319 else
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parents: 523
diff changeset
320 module:log("debug", "Not archiving stanza: %s", stanza:top_tag());
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parents: 523
diff changeset
321 end
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
322 end
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
323
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
324 local function c2s_message_handler(event)
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
325 return message_handler(event, true);
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
326 end
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
327
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
328 -- Stanzas sent by local clients
621
7bdd02056e2b mod_mam: Bumb priority up above carbons, so that archive ids are included
Kim Alvefur <zash@zash.se>
parents: 620
diff changeset
329 module:hook("pre-message/bare", c2s_message_handler, 2);
7bdd02056e2b mod_mam: Bumb priority up above carbons, so that archive ids are included
Kim Alvefur <zash@zash.se>
parents: 620
diff changeset
330 module:hook("pre-message/full", c2s_message_handler, 2);
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
331 -- Stanszas to local clients
621
7bdd02056e2b mod_mam: Bumb priority up above carbons, so that archive ids are included
Kim Alvefur <zash@zash.se>
parents: 620
diff changeset
332 module:hook("message/bare", message_handler, 2);
7bdd02056e2b mod_mam: Bumb priority up above carbons, so that archive ids are included
Kim Alvefur <zash@zash.se>
parents: 620
diff changeset
333 module:hook("message/full", message_handler, 2);
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
334
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
335 module:add_feature(xmlns_mam);
558
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
336