prosody
9e4de27e8e08
plugins/mod_mam/mod_mam.lua

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plugins/mod_mam/mod_mam.lua @ 7890:9e4de27e8e08

mod_mam: Move stanza ID namespace to a common variable
author Kim Alvefur <zash@zash.se>
date Tue, 14 Feb 2017 18:51:20 +0100
parent 7882:1017a4f8929d
child 7891:01d2a2af3146
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
7851
80ee0d9cd56f mod_mam: Normalize copyright headers
Kim Alvefur <zash@zash.se>
parents: 7850
diff changeset
1 -- Prosody IM
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Kim Alvefur <zash@zash.se>
parents: 7850
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2 -- Copyright (C) 2008-2017 Matthew Wild
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3 -- Copyright (C) 2008-2017 Waqas Hussain
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parents: 7850
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4 -- Copyright (C) 2011-2017 Kim Alvefur
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5 --
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6 -- This project is MIT/X11 licensed. Please see the
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7 -- COPYING file in the source package for more information.
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8 --
7836
30fac9154fd4 mod_mam: Import from prosody-modules
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parents:
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9 -- XEP-0313: Message Archive Management for Prosody
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10 --
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11
7839
f3e1925f29c2 mod_mam: Update to XEP-0313 v0.5.1
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12 local xmlns_mam = "urn:xmpp:mam:1";
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13 local xmlns_delay = "urn:xmpp:delay";
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14 local xmlns_forward = "urn:xmpp:forward:0";
7890
9e4de27e8e08 mod_mam: Move stanza ID namespace to a common variable
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15 local xmlns_st_id = "urn:xmpp:sid:0";
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16
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17 local um = require "core.usermanager";
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18 local st = require "util.stanza";
7882
1017a4f8929d mod_mam: Correct import of util.rsm
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19 local rsm = require "util.rsm";
7836
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20 local get_prefs = module:require"mamprefs".get;
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21 local set_prefs = module:require"mamprefs".set;
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22 local prefs_to_stanza = module:require"mamprefsxml".tostanza;
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23 local prefs_from_stanza = module:require"mamprefsxml".fromstanza;
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24 local jid_bare = require "util.jid".bare;
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25 local jid_split = require "util.jid".split;
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eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
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26 local jid_prepped_split = require "util.jid".prepped_split;
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27 local dataform = require "util.dataforms".new;
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28 local host = module.host;
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29
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30 local rm_load_roster = require "core.rostermanager".load_roster;
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31
7838
e5d5e5946af5 mod_mam: Use is_stanza from util.stanza
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32 local is_stanza = st.is_stanza;
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33 local tostring = tostring;
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34 local time_now = os.time;
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35 local m_min = math.min;
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36 local timestamp, timestamp_parse = require "util.datetime".datetime, require "util.datetime".parse;
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37 local default_max_items, max_max_items = 20, module:get_option_number("max_archive_query_results", 50);
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38 local global_default_policy = module:get_option("default_archive_policy", true);
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39 if global_default_policy ~= "roster" then
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40 global_default_policy = module:get_option_boolean("default_archive_policy", global_default_policy);
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41 end
7849
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
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42 local strip_tags = module:get_option_set("dont_archive_namespaces", { "http://jabber.org/protocol/chatstates" });
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43
7850
10d91860172f mod_mam: Change store name to "archive" but make it configurable for people who have data in "archive2"
Kim Alvefur <zash@zash.se>
parents: 7849
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44 local archive_store = module:get_option_string("archive_store", "archive");
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45 local archive = assert(module:open_store(archive_store, "archive"));
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46
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47 if archive.name == "null" or not archive.find then
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48 if not archive.find then
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49 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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50 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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51 else
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52 module:log("debug", "Attempt to open archive storage returned null driver");
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53 end
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54 module:log("debug", "See https://prosody.im/doc/storage and https://prosody.im/doc/archiving for more information");
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55 module:log("info", "Using in-memory fallback archive driver");
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56 archive = module:require "fallback_archive";
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57 end
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58
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59 local cleanup;
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60
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61 -- Handle prefs.
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62 module:hook("iq/self/"..xmlns_mam..":prefs", function(event)
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63 local origin, stanza = event.origin, event.stanza;
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64 local user = origin.username;
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65 if stanza.attr.type == "get" then
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66 local prefs = prefs_to_stanza(get_prefs(user));
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67 local reply = st.reply(stanza):add_child(prefs);
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68 origin.send(reply);
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69 else -- type == "set"
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70 local new_prefs = stanza:get_child("prefs", xmlns_mam);
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71 local prefs = prefs_from_stanza(new_prefs);
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72 local ok, err = set_prefs(user, prefs);
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73 if not ok then
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74 origin.send(st.error_reply(stanza, "cancel", "internal-server-error", "Error storing preferences: "..tostring(err)));
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75 else
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76 origin.send(st.reply(stanza));
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77 end
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78 end
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79 return true;
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80 end);
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81
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82 local query_form = dataform {
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83 { name = "FORM_TYPE"; type = "hidden"; value = xmlns_mam; };
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84 { name = "with"; type = "jid-single"; };
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85 { name = "start"; type = "text-single" };
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86 { name = "end"; type = "text-single"; };
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87 };
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88
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89 -- Serve form
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90 module:hook("iq-get/self/"..xmlns_mam..":query", function(event)
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91 local origin, stanza = event.origin, event.stanza;
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92 origin.send(st.reply(stanza):add_child(query_form:form()));
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93 return true;
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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-set/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 if cleanup then cleanup[origin.username] = true; end
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103
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104 -- Search query parameters
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105 local qwith, qstart, qend;
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106 local form = query:get_child("x", "jabber:x:data");
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107 if form then
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108 local err;
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109 form, err = query_form:data(form);
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110 if err then
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111 origin.send(st.error_reply(stanza, "modify", "bad-request", select(2, next(err))));
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112 return true;
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113 end
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114 qwith, qstart, qend = form["with"], form["start"], form["end"];
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115 qwith = qwith and jid_bare(qwith); -- dataforms does jidprep
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116 end
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117
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118 if qstart or qend then -- Validate timestamps
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119 local vstart, vend = (qstart and timestamp_parse(qstart)), (qend and timestamp_parse(qend));
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120 if (qstart and not vstart) or (qend and not vend) then
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121 origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid timestamp"))
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122 return true;
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123 end
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124 qstart, qend = vstart, vend;
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125 end
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126
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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 -- RSM stuff
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131 local qset = rsm.get(query);
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132 local qmax = m_min(qset and qset.max or default_max_items, max_max_items);
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133 local reverse = qset and qset.before or false;
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134 local before, after = qset and qset.before, qset and qset.after;
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135 if type(before) ~= "string" then before = nil; end
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136
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
137
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 -- Load all the data!
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 local data, err = archive:find(origin.username, {
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 start = qstart; ["end"] = qend; -- Time range
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 with = qwith;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 limit = qmax + 1;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 before = before; after = after;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 reverse = reverse;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 total = true;
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
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 if not data then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149 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
150 return true;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 local total = tonumber(err);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154 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
155
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156 local results = {};
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
158 -- Wrap it in stuff and deliver
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 local first, last;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
160 local count = 0;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161 local complete = "true";
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
162 for id, item, when in data do
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
163 count = count + 1;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
164 if count > qmax then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
165 complete = nil;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166 break;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
167 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
168 local fwd_st = st.message(msg_reply_attr)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
169 :tag("result", { xmlns = xmlns_mam, queryid = qid, id = id })
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
170 :tag("forwarded", { xmlns = xmlns_forward })
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
171 :tag("delay", { xmlns = xmlns_delay, stamp = timestamp(when) }):up();
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 not is_stanza(item) then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174 item = st.deserialize(item);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
176 item.attr.xmlns = "jabber:client";
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
177 fwd_st:add_child(item);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
178
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179 if not first then first = id; end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
180 last = id;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
181
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 if reverse then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
183 results[count] = fwd_st;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 else
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
185 origin.send(fwd_st);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
186 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
187 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189 if reverse then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 for i = #results, 1, -1 do
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
191 origin.send(results[i]);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
192 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
193 first, last = last, first;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
194 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
195
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
196 -- That's all folks!
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
197 module:log("debug", "Archive query %s completed", tostring(qid));
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
198
7839
f3e1925f29c2 mod_mam: Update to XEP-0313 v0.5.1
Kim Alvefur <zash@zash.se>
parents: 7838
diff changeset
199 origin.send(st.reply(stanza)
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
200 :tag("fin", { xmlns = xmlns_mam, queryid = qid, complete = complete })
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
201 :add_child(rsm.generate {
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
202 first = first, last = last, count = total }));
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
203 return true;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
204 end);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
205
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
206 local function has_in_roster(user, who)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
207 local roster = rm_load_roster(user, host);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
208 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
209 return roster[who];
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
210 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
211
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
212 local function shall_store(user, who)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
213 -- TODO Cache this?
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
214 if not um.user_exists(user, host) then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
215 return false;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
216 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
217 local prefs = get_prefs(user);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
218 local rule = prefs[who];
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
219 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
220 if rule ~= nil then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 return rule;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223 -- Below could be done by a metatable
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
224 local default = prefs[false];
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
225 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
226 if default == nil then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
227 default = global_default_policy;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
228 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
229 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
230 if default == "roster" then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
231 return has_in_roster(user, who);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
232 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
233 return default;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
234 end
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 -- Handle messages
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
237 local function message_handler(event, c2s)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
238 local origin, stanza = event.origin, event.stanza;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
239 local log = c2s and origin.log or module._log;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
240 local orig_type = stanza.attr.type or "normal";
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
241 local orig_from = stanza.attr.from;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
242 local orig_to = stanza.attr.to or orig_from;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
243 -- 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
244
7844
316f5166eedb mod_mam: Find out which party is the user and which is the 'with' earlier
Kim Alvefur <zash@zash.se>
parents: 7843
diff changeset
245 -- Whos storage do we put it in?
316f5166eedb mod_mam: Find out which party is the user and which is the 'with' earlier
Kim Alvefur <zash@zash.se>
parents: 7843
diff changeset
246 local store_user = c2s and origin.username or jid_split(orig_to);
316f5166eedb mod_mam: Find out which party is the user and which is the 'with' earlier
Kim Alvefur <zash@zash.se>
parents: 7843
diff changeset
247 -- And who are they chatting with?
316f5166eedb mod_mam: Find out which party is the user and which is the 'with' earlier
Kim Alvefur <zash@zash.se>
parents: 7843
diff changeset
248 local with = jid_bare(c2s and orig_to or orig_from);
316f5166eedb mod_mam: Find out which party is the user and which is the 'with' earlier
Kim Alvefur <zash@zash.se>
parents: 7843
diff changeset
249
7845
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
250 -- Filter out <stanza-id> that claim to be from us
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
251 stanza:maptags(function (tag)
7890
9e4de27e8e08 mod_mam: Move stanza ID namespace to a common variable
Kim Alvefur <zash@zash.se>
parents: 7882
diff changeset
252 if tag.name == "stanza-id" and tag.attr.xmlns == xmlns_st_id then
7856
bd5008a7dcbd mod_mam: Use correct local name for util.jid.prepped_split
Kim Alvefur <zash@zash.se>
parents: 7851
diff changeset
253 local by_user, by_host, res = jid_prepped_split(tag.attr.by);
7845
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
254 if not res and by_host == module.host and by_user == store_user then
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
255 return nil;
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
256 end
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
257 end
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
258 return tag;
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
259 end);
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
260
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
261 -- 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
262 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
263 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
264 return;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
265 end
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
266
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
267 -- or if hints suggest we shouldn't
7843
04b09fd144eb mod_mam: Alter hints processing
Kim Alvefur <zash@zash.se>
parents: 7842
diff changeset
268 if not stanza:get_child("store", "urn:xmpp:hints") then -- No hint telling us we should store
04b09fd144eb mod_mam: Alter hints processing
Kim Alvefur <zash@zash.se>
parents: 7842
diff changeset
269 if stanza:get_child("no-permanent-store", "urn:xmpp:hints")
04b09fd144eb mod_mam: Alter hints processing
Kim Alvefur <zash@zash.se>
parents: 7842
diff changeset
270 or stanza:get_child("no-store", "urn:xmpp:hints") then -- Hint telling us we should NOT store
04b09fd144eb mod_mam: Alter hints processing
Kim Alvefur <zash@zash.se>
parents: 7842
diff changeset
271 log("debug", "Not archiving stanza: %s (hint)", stanza:top_tag());
04b09fd144eb mod_mam: Alter hints processing
Kim Alvefur <zash@zash.se>
parents: 7842
diff changeset
272 return;
04b09fd144eb mod_mam: Alter hints processing
Kim Alvefur <zash@zash.se>
parents: 7842
diff changeset
273 end
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
274 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
275
7849
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
diff changeset
276 if not strip_tags:empty() then
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
diff changeset
277 stanza = st.clone(stanza);
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
diff changeset
278 stanza:maptags(function (tag)
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
diff changeset
279 if strip_tags:contains(tag.attr.xmlns) then
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
diff changeset
280 return nil;
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
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parents: 7848
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281 else
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
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282 return tag;
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
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283 end
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
diff changeset
284 end);
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
diff changeset
285 if #stanza.tags == 0 then
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
diff changeset
286 return;
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
diff changeset
287 end
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
diff changeset
288 end
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
Kim Alvefur <zash@zash.se>
parents: 7848
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289
7836
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parents:
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290 -- Check with the users preferences
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
291 if shall_store(store_user, with) then
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Kim Alvefur <zash@zash.se>
parents:
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292 log("debug", "Archiving stanza: %s", stanza:top_tag());
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parents:
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293
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Kim Alvefur <zash@zash.se>
parents:
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294 -- And stash it
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Kim Alvefur <zash@zash.se>
parents:
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295 local ok, id = archive:append(store_user, nil, stanza, time_now(), with);
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Kim Alvefur <zash@zash.se>
parents:
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296 if ok then
7890
9e4de27e8e08 mod_mam: Move stanza ID namespace to a common variable
Kim Alvefur <zash@zash.se>
parents: 7882
diff changeset
297 stanza:tag("stanza-id", { xmlns = xmlns_st_id, by = store_user.."@"..host, id = id }):up();
7836
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parents:
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298 if cleanup then cleanup[store_user] = true; end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
299 module:fire_event("archive-message-added", { origin = origin, stanza = stanza, for_user = store_user, id = id });
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Kim Alvefur <zash@zash.se>
parents:
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300 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
301 else
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
302 log("debug", "Not archiving stanza: %s (prefs)", stanza:top_tag());
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
303 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
304 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
305
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
306 local function c2s_message_handler(event)
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
307 return message_handler(event, true);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
308 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
309
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
310 local cleanup_after = module:get_option_string("archive_expires_after", "1w");
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
311 local cleanup_interval = module:get_option_number("archive_cleanup_interval", 4 * 60 * 60);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
312 if cleanup_after ~= "never" then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
313 local day = 86400;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
314 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
315 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
316 if not n then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
317 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
318 return false;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
319 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
320
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
321 cleanup_after = tonumber(n) * ( multipliers[m] or 1 );
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
322
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
323 module:log("debug", "archive_expires_after = %d -- in seconds", cleanup_after);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
324
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
325 if not archive.delete then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
326 module:log("error", "archive_expires_after set but mod_%s does not support deleting", archive._provided_by);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
327 return false;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
328 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
329
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
330 -- Set of known users to do message expiry for
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
331 -- Populated either below or when new messages are added
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
332 cleanup = {};
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
333
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
334 -- Iterating over users is not supported by all authentication modules
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
335 -- Catch and ignore error if not supported
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
336 pcall(function ()
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
337 -- If this works, then we schedule cleanup for all known known
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
338 for user in um.users(module.host) do
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
339 cleanup[user] = true;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
340 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
341 end);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
342
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
343 -- At odd intervals, delete old messages for one user
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
344 module:add_timer(math.random(10, 60), function()
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
345 local user = next(cleanup);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
346 if user then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
347 module:log("debug", "Removing old messages for user %q", user);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
348 local ok, err = archive:delete(user, { ["end"] = os.time() - cleanup_after; })
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
349 if not ok then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
350 module:log("warn", "Could not expire archives for user %s: %s", user, err);
7848
efe5232793aa mod_mam: If archive:delete() gives a number, this should be the number of deleted items
Kim Alvefur <zash@zash.se>
parents: 7846
diff changeset
351 elseif type(ok) == "number" then
efe5232793aa mod_mam: If archive:delete() gives a number, this should be the number of deleted items
Kim Alvefur <zash@zash.se>
parents: 7846
diff changeset
352 module:log("debug", "Removed %d messages", ok);
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
353 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
354 cleanup[user] = nil;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
355 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
356 return math.random(cleanup_interval, cleanup_interval * 2);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
357 end);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
358 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
359
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
360 -- Stanzas sent by local clients
7840
92b6aa3ea2ce mod_mam: Decrease priority to zero
Kim Alvefur <zash@zash.se>
parents: 7839
diff changeset
361 module:hook("pre-message/bare", c2s_message_handler, 0);
92b6aa3ea2ce mod_mam: Decrease priority to zero
Kim Alvefur <zash@zash.se>
parents: 7839
diff changeset
362 module:hook("pre-message/full", c2s_message_handler, 0);
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
363 -- Stanszas to local clients
7840
92b6aa3ea2ce mod_mam: Decrease priority to zero
Kim Alvefur <zash@zash.se>
parents: 7839
diff changeset
364 module:hook("message/bare", message_handler, 0);
92b6aa3ea2ce mod_mam: Decrease priority to zero
Kim Alvefur <zash@zash.se>
parents: 7839
diff changeset
365 module:hook("message/full", message_handler, 0);
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
366
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
367 module:hook("account-disco-info", function(event)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
368 (event.reply or event.stanza):tag("feature", {var=xmlns_mam}):up();
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
369 end);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
370