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annotate mod_mam/mod_mam.lua @ 1114:6c0e1f9926f6

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mod_mam: Swap first and last first for a simpler argument to RSM in reverse queries
author Kim Alvefur <zash@zash.se>
date Sat, 13 Jul 2013 17:00:13 +0200
parents f1f0c87cffdd
children 2345a30dd8b4
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30be50d2537f mod_mam: Update header
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1 -- XEP-0313: Message Archive Management for Prosody
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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 prefs = module:require"mamprefs";
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13 local set_prefs, get_prefs = prefs.set, prefs.get;
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14 local jid_bare = require "util.jid".bare;
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15 local jid_split = require "util.jid".split;
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16 local jid_prep = require "util.jid".prep;
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17 local host = module.host;
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18
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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 local archive_store = "archive2";
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42
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43 -- Handle prefs.
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44 module:hook("iq/self/"..xmlns_mam..":prefs", function(event)
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45 local origin, stanza = event.origin, event.stanza;
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46 local user = origin.username;
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47 if stanza.attr.type == "get" then
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48 local prefs = get_prefs(user);
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49 local default = prefs[false];
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50 default = default ~= nil and default_attrs[default] or global_default_policy;
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51 local reply = st.reply(stanza):tag("prefs", { xmlns = xmlns_mam, default = default })
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52 local always = st.stanza("always");
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53 local never = st.stanza("never");
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54 for k,v in pairs(prefs) do
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55 if k then
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56 (v and always or never):tag("jid"):text(k):up();
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57 end
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58 end
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59 reply:add_child(always):add_child(never);
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60 origin.send(reply);
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61 return true
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62 else -- type == "set"
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63 local prefs = {};
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64 local new_prefs = stanza:get_child("prefs", xmlns_mam);
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65 local new_default = new_prefs.attr.default;
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66 if new_default then
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67 prefs[false] = default_attrs[new_default];
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68 end
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69
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70 local always = new_prefs:get_child("always");
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71 if always then
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72 for rule in always:childtags("jid") do
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73 local jid = rule:get_text();
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74 prefs[jid] = true;
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75 end
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76 end
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77
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78 local never = new_prefs:get_child("never");
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79 if never then
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80 for rule in never:childtags("jid") do
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81 local jid = rule:get_text();
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82 prefs[jid] = false;
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83 end
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84 end
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85
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86 local ok, err = set_prefs(user, prefs);
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87 if not ok then
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88 origin.send(st.error_reply(stanza, "cancel", "internal-server-error", "Error storing preferences: "..tostring(err)));
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89 else
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90 origin.send(st.reply(stanza));
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91 end
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92 return true
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93 end
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94 end);
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95
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96 -- Handle archive queries
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97 module:hook("iq-get/self/"..xmlns_mam..":query", function(event)
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98 local origin, stanza = event.origin, event.stanza;
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99 local query = stanza.tags[1];
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100 local qid = query.attr.queryid;
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101
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102 -- Search query parameters
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103 local qwith = query:get_child_text("with");
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104 local qstart = query:get_child_text("start");
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105 local qend = query:get_child_text("end");
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106 local qset = rsm.get(query);
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107 module:log("debug", "Archive query, id %s with %s from %s until %s)",
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108 tostring(qid), qwith or "anyone", qstart or "the dawn of time", qend or "now");
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109
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110 if qstart or qend then -- Validate timestamps
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111 local vstart, vend = (qstart and timestamp_parse(qstart)), (qend and timestamp_parse(qend))
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112 if (qstart and not vstart) or (qend and not vend) then
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113 origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid timestamp"))
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114 return true
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115 end
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116 qstart, qend = vstart, vend;
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117 end
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118
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119 local qres;
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120 if qwith then -- Validate the 'with' jid
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121 local pwith = qwith and jid_prep(qwith);
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122 if pwith and not qwith then -- it failed prepping
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123 origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid JID"))
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124 return true
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125 end
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126 local _, _, resource = jid_split(qwith);
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127 qwith = jid_bare(pwith);
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128 qres = resource;
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129 end
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130
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131 -- Load all the data!
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132 local data, err = dm_list_load(origin.username, origin.host, archive_store);
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133 if not data then
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134 if (not err) then
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
135 module:log("debug", "The archive was empty.");
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
136 origin.send(st.reply(stanza));
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
137 else
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
138 origin.send(st.error_reply(stanza, "cancel", "internal-server-error", "Error loading archive: "..tostring(err)));
751
3c37445f26ac mod_mam: Stricter validation, reject invalid timestamps, jids.
Kim Alvefur <zash@zash.se>
parents: 711
diff changeset
139 end
1112
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
140 return true
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
141 end
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142
1112
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
143 -- RSM stuff
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
144 local qmax = m_min(qset and qset.max or default_max_items, max_max_items);
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
145 local qset_matches = not (qset and qset.after);
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
146 local first, last, index;
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
147 local n = 0;
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
148 local start = qset and qset.index or 1;
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
149 local results = {};
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
150 -- An empty <before/> means: give the last n items. So we loop backwards.
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
151 local reverse = qset and qset.before or false;
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
152
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
153 module:log("debug", "Loaded %d items, about to filter", #data);
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
154 for i=(reverse and #data or start),(reverse and start or #data),(reverse and -1 or 1) do
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
155 local item = data[i];
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
156 local when, with, resource = item.when, item.with, item.resource;
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
157 local id = item.id;
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
158 --module:log("debug", "id is %s", id);
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
159
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
160 -- RSM pre-send-checking
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
161 if qset then
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
162 if qset.before == id then
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
163 module:log("debug", "End of matching range found");
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
164 qset_matches = false;
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
165 break;
558
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
166 end
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
167 end
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
168
1112
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
169 --module:log("debug", "message with %s at %s", with, when or "???");
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
170 -- Apply query filter
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
171 if (not qwith or ((qwith == with) and (not qres or qres == resource)))
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
172 and (not qstart or when >= qstart)
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
173 and (not qend or when <= qend)
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
174 and (not qset or qset_matches) then
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
175 local fwd_st = st.message{ to = origin.full_jid }
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
176 :tag("result", { xmlns = xmlns_mam, queryid = qid, id = id })
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
177 :tag("forwarded", { xmlns = xmlns_forward })
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
178 :tag("delay", { xmlns = xmlns_delay, stamp = timestamp(when) }):up();
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
179 local orig_stanza = st.deserialize(item.stanza);
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
180 orig_stanza.attr.xmlns = "jabber:client";
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
181 fwd_st:add_child(orig_stanza);
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
182 if reverse then
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
183 t_insert(results, 1, fwd_st);
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
184 else
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
185 results[#results + 1] = fwd_st;
701
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
186 end
1112
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
187 if not first then
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
188 index = i;
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
189 first = id;
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
190 end
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
191 last = id;
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
192 n = n + 1;
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
193 elseif (qend and when > qend) then
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
194 module:log("debug", "We have passed into messages more recent than requested");
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
195 break -- We have passed into messages more recent than requested
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
196 end
701
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
197
1112
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
198 -- RSM post-send-checking
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
199 if qset then
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
200 if qset.after == id then
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
201 module:log("debug", "Start of matching range found");
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Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
202 qset_matches = true;
701
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
203 end
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
204 end
1112
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
205 if n >= qmax then
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
206 module:log("debug", "Max number of items matched");
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
207 break
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
208 end
1112
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
209 end
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
210 for _,v in pairs(results) do
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
211 origin.send(v);
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
212 end
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
213 -- That's all folks!
1dc07833355e mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents: 1111
diff changeset
214 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
215
1114
6c0e1f9926f6 mod_mam: Swap first and last first for a simpler argument to RSM in reverse queries
Kim Alvefur <zash@zash.se>
parents: 1113
diff changeset
216 if reverse then first, last = last, first; end
1113
f1f0c87cffdd mod_mam: Neater reply building
Kim Alvefur <zash@zash.se>
parents: 1112
diff changeset
217 return origin.send(st.reply(stanza)
f1f0c87cffdd mod_mam: Neater reply building
Kim Alvefur <zash@zash.se>
parents: 1112
diff changeset
218 :query(xmlns_mam):add_child(rsm.generate {
1114
6c0e1f9926f6 mod_mam: Swap first and last first for a simpler argument to RSM in reverse queries
Kim Alvefur <zash@zash.se>
parents: 1113
diff changeset
219 first = first, last = last, count = #data }));
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
220 end);
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221
558
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
222 local function has_in_roster(user, who)
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
223 local roster = rm_load_roster(user, host);
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
224 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
225 return roster[who];
558
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
226 end
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
227
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
228 local function shall_store(user, who)
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
229 -- TODO Cache this?
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
230 local prefs = get_prefs(user);
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
231 local rule = prefs[who];
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
232 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
233 if rule ~= nil then
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
234 return rule;
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
235 else -- Below could be done by a metatable
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
236 local default = prefs[false];
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
237 module:log("debug", "%s's default rule is %s", user, tostring(default))
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
238 if default == nil then
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
239 default = global_default_policy;
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
240 module:log("debug", "Using global default rule, %s", tostring(default))
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
241 end
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
242 if default == "roster" then
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
243 return has_in_roster(user, who);
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
244 end
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
245 return default;
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
246 end
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
247 end
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
248
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
249 -- Handle messages
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
250 local function message_handler(event, c2s)
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
251 local origin, stanza = event.origin, event.stanza;
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
252 local orig_type = stanza.attr.type or "normal";
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
253 local orig_to = stanza.attr.to;
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
254 local orig_from = stanza.attr.from;
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
255
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
256 if not orig_from and c2s then
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
257 orig_from = origin.full_jid;
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
258 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
259 orig_to = orig_to or orig_from; -- Weird corner cases
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
260
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
261 -- Don't store messages of these types
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
262 if orig_type == "error"
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
263 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
diff changeset
264 or orig_type == "groupchat"
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
diff changeset
265 or not stanza:get_child("body") then
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
266 return;
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
267 -- TODO Maybe headlines should be configurable?
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
268 -- TODO Write a mod_mam_muc for groupchat messages.
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
269 end
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
270
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
271 local store_user, store_host = jid_split(c2s and orig_from or orig_to);
558
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
272 local target_jid = c2s and orig_to or orig_from;
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
273 local target_bare = jid_bare(target_jid);
799
53917d98d411 mod_mam: Change storage format to store bare JID + resource.
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parents: 798
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274 local _, _, target_resource = jid_split(target_jid);
558
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parents: 523
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275
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276 if shall_store(store_user, target_bare) then
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277 module:log("debug", "Archiving stanza: %s", stanza:top_tag());
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parents: 523
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278
559
6be3a130c810 mod_mam: Store the message id more accessible.
Kim Alvefur <zash@zash.se>
parents: 558
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279 local id = uuid();
558
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parents: 523
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280 local when = time_now();
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281 -- And stash it
675
da33325453fb mod_mam: Put name of store in a single variable
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parents: 674
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282 local ok, err = dm_list_append(store_user, store_host, archive_store, {
558
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parents: 523
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283 -- WARNING This format may change.
559
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Kim Alvefur <zash@zash.se>
parents: 558
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284 id = id,
701
cc5805f83583 mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents: 675
diff changeset
285 when = when,
799
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Kim Alvefur <zash@zash.se>
parents: 798
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286 with = target_bare,
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parents: 798
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287 resource = target_resource,
558
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parents: 523
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288 stanza = st.preserialize(stanza)
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Kim Alvefur <zash@zash.se>
parents: 523
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289 });
1094
158680bff642 mod_mam: Stamp <archived> on incoming stanzas after archiving them
Kim Alvefur <zash@zash.se>
parents: 1093
diff changeset
290 if ok and not c2s then
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Kim Alvefur <zash@zash.se>
parents: 1093
diff changeset
291 stanza:tag("archived", { xmlns = xmlns_mam, by = jid_bare(orig_to), id = id }):up();
672
8ae5317ba032 mod_mam: local tostring and some comments
Kim Alvefur <zash@zash.se>
parents: 671
diff changeset
292 end
558
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parents: 523
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293 else
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parents: 523
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294 module:log("debug", "Not archiving stanza: %s", stanza:top_tag());
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parents: 523
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295 end
523
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
296 end
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Kim Alvefur <zash@zash.se>
parents:
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297
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Kim Alvefur <zash@zash.se>
parents:
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298 local function c2s_message_handler(event)
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parents:
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299 return message_handler(event, true);
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Kim Alvefur <zash@zash.se>
parents:
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300 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
301
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
302 -- 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
303 module:hook("pre-message/bare", c2s_message_handler, 2);
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Kim Alvefur <zash@zash.se>
parents: 620
diff changeset
304 module:hook("pre-message/full", c2s_message_handler, 2);
523
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
305 -- Stanszas to local clients
621
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Kim Alvefur <zash@zash.se>
parents: 620
diff changeset
306 module:hook("message/bare", message_handler, 2);
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Kim Alvefur <zash@zash.se>
parents: 620
diff changeset
307 module:hook("message/full", message_handler, 2);
523
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
308
eff140d53b83 mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff changeset
309 module:add_feature(xmlns_mam);
558
66de25ffc8d9 mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents: 523
diff changeset
310