prosody
93a068ef4b2c
plugins/mod_mam/mod_mam.lua

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plugins/mod_mam/mod_mam.lua @ 7849:93a068ef4b2c

mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
author Kim Alvefur <zash@zash.se>
date Mon, 19 Dec 2016 08:44:56 +0100
parent 7848:efe5232793aa
child 7850:10d91860172f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
7836
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Kim Alvefur <zash@zash.se>
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1 -- XEP-0313: Message Archive Management for Prosody
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Kim Alvefur <zash@zash.se>
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2 -- Copyright (C) 2011-2016 Kim Alvefur
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3 --
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4 -- This file is MIT/X11 licensed.
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5
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f3e1925f29c2 mod_mam: Update to XEP-0313 v0.5.1
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6 local xmlns_mam = "urn:xmpp:mam:1";
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7 local xmlns_delay = "urn:xmpp:delay";
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8 local xmlns_forward = "urn:xmpp:forward:0";
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9
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10 local um = require "core.usermanager";
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11 local st = require "util.stanza";
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a17bddf62a28 util.rsm: Move out from mod_mam directory
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12 local rsm = require "rsm";
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13 local get_prefs = module:require"mamprefs".get;
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14 local set_prefs = module:require"mamprefs".set;
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15 local prefs_to_stanza = module:require"mamprefsxml".tostanza;
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16 local prefs_from_stanza = module:require"mamprefsxml".fromstanza;
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17 local jid_bare = require "util.jid".bare;
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18 local jid_split = require "util.jid".split;
7845
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
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19 local jid_prepped_split = require "util.jid".prepped_split;
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20 local dataform = require "util.dataforms".new;
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21 local host = module.host;
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22
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23 local rm_load_roster = require "core.rostermanager".load_roster;
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24
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e5d5e5946af5 mod_mam: Use is_stanza from util.stanza
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25 local is_stanza = st.is_stanza;
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26 local tostring = tostring;
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27 local time_now = os.time;
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28 local m_min = math.min;
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29 local timestamp, timestamp_parse = require "util.datetime".datetime, require "util.datetime".parse;
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30 local default_max_items, max_max_items = 20, module:get_option_number("max_archive_query_results", 50);
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31 local global_default_policy = module:get_option("default_archive_policy", true);
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32 if global_default_policy ~= "roster" then
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33 global_default_policy = module:get_option_boolean("default_archive_policy", global_default_policy);
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34 end
7849
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
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35 local strip_tags = module:get_option_set("dont_archive_namespaces", { "http://jabber.org/protocol/chatstates" });
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36
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37 local archive_store = "archive2";
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38 local archive = assert(module:open_store(archive_store, "archive"));
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39
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40 if archive.name == "null" or not archive.find then
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41 if not archive.find then
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42 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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43 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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44 else
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45 module:log("debug", "Attempt to open archive storage returned null driver");
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46 end
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47 module:log("debug", "See https://prosody.im/doc/storage and https://prosody.im/doc/archiving for more information");
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48 module:log("info", "Using in-memory fallback archive driver");
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49 archive = module:require "fallback_archive";
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50 end
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51
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52 local cleanup;
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53
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54 -- Handle prefs.
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55 module:hook("iq/self/"..xmlns_mam..":prefs", function(event)
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56 local origin, stanza = event.origin, event.stanza;
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57 local user = origin.username;
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58 if stanza.attr.type == "get" then
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59 local prefs = prefs_to_stanza(get_prefs(user));
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60 local reply = st.reply(stanza):add_child(prefs);
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61 origin.send(reply);
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62 else -- type == "set"
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63 local new_prefs = stanza:get_child("prefs", xmlns_mam);
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64 local prefs = prefs_from_stanza(new_prefs);
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65 local ok, err = set_prefs(user, prefs);
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66 if not ok then
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67 origin.send(st.error_reply(stanza, "cancel", "internal-server-error", "Error storing preferences: "..tostring(err)));
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68 else
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69 origin.send(st.reply(stanza));
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70 end
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71 end
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72 return true;
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73 end);
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74
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75 local query_form = dataform {
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76 { name = "FORM_TYPE"; type = "hidden"; value = xmlns_mam; };
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77 { name = "with"; type = "jid-single"; };
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78 { name = "start"; type = "text-single" };
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79 { name = "end"; type = "text-single"; };
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80 };
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81
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82 -- Serve form
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83 module:hook("iq-get/self/"..xmlns_mam..":query", function(event)
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84 local origin, stanza = event.origin, event.stanza;
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85 origin.send(st.reply(stanza):add_child(query_form:form()));
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86 return true;
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87 end);
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88
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89 -- Handle archive queries
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90 module:hook("iq-set/self/"..xmlns_mam..":query", function(event)
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91 local origin, stanza = event.origin, event.stanza;
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92 local query = stanza.tags[1];
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93 local qid = query.attr.queryid;
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94
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95 if cleanup then cleanup[origin.username] = true; end
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96
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97 -- Search query parameters
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98 local qwith, qstart, qend;
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99 local form = query:get_child("x", "jabber:x:data");
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100 if form then
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101 local err;
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102 form, err = query_form:data(form);
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103 if err then
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104 origin.send(st.error_reply(stanza, "modify", "bad-request", select(2, next(err))));
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105 return true;
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106 end
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107 qwith, qstart, qend = form["with"], form["start"], form["end"];
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108 qwith = qwith and jid_bare(qwith); -- dataforms does jidprep
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109 end
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110
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111 if qstart or qend then -- Validate timestamps
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112 local vstart, vend = (qstart and timestamp_parse(qstart)), (qend and timestamp_parse(qend));
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113 if (qstart and not vstart) or (qend and not vend) then
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114 origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid timestamp"))
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115 return true;
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116 end
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117 qstart, qend = vstart, vend;
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118 end
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119
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120 module:log("debug", "Archive query, id %s with %s from %s until %s)",
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121 tostring(qid), qwith or "anyone", qstart or "the dawn of time", qend or "now");
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122
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123 -- RSM stuff
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124 local qset = rsm.get(query);
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125 local qmax = m_min(qset and qset.max or default_max_items, max_max_items);
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126 local reverse = qset and qset.before or false;
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127 local before, after = qset and qset.before, qset and qset.after;
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128 if type(before) ~= "string" then before = nil; end
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129
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130
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131 -- Load all the data!
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132 local data, err = archive:find(origin.username, {
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133 start = qstart; ["end"] = qend; -- Time range
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134 with = qwith;
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135 limit = qmax + 1;
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136 before = before; after = after;
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137 reverse = reverse;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 total = true;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 });
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 if not data then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 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
143 return true;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 local total = tonumber(err);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 local 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
148
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149 local results = {};
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 -- Wrap it in stuff and deliver
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 local first, last;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153 local count = 0;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154 local complete = "true";
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155 for id, item, when in data do
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156 count = count + 1;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 if count > qmax then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
158 complete = nil;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 break;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
160 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161 local fwd_st = st.message(msg_reply_attr)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
162 :tag("result", { xmlns = xmlns_mam, queryid = qid, id = id })
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
163 :tag("forwarded", { xmlns = xmlns_forward })
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
164 :tag("delay", { xmlns = xmlns_delay, stamp = timestamp(when) }):up();
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
165
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166 if not is_stanza(item) then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
167 item = st.deserialize(item);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
168 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
169 item.attr.xmlns = "jabber:client";
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
170 fwd_st:add_child(item);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
171
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
172 if not first then first = id; end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
173 last = id;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 if reverse then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
176 results[count] = fwd_st;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
177 else
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
178 origin.send(fwd_st);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
180 end
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 for i = #results, 1, -1 do
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 origin.send(results[i]);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
185 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
186 first, last = last, first;
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 -- That's all folks!
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 module:log("debug", "Archive query %s completed", tostring(qid));
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
191
7839
f3e1925f29c2 mod_mam: Update to XEP-0313 v0.5.1
Kim Alvefur <zash@zash.se>
parents: 7838
diff changeset
192 origin.send(st.reply(stanza)
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
193 :tag("fin", { xmlns = xmlns_mam, queryid = qid, complete = complete })
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
194 :add_child(rsm.generate {
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
195 first = first, last = last, count = total }));
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
196 return true;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
197 end);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
198
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
199 local function has_in_roster(user, who)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
200 local roster = rm_load_roster(user, host);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
201 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
202 return roster[who];
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
203 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
204
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
205 local function shall_store(user, who)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
206 -- TODO Cache this?
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
207 if not um.user_exists(user, host) then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
208 return false;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
209 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
210 local prefs = get_prefs(user);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
211 local rule = prefs[who];
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
212 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
213 if rule ~= nil then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
214 return rule;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
215 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
216 -- Below could be done by a metatable
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
217 local default = prefs[false];
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
218 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
219 if default == nil then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
220 default = global_default_policy;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 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
222 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223 if default == "roster" then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
224 return has_in_roster(user, who);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
225 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
226 return default;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
227 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
228
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
229 -- Handle messages
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
230 local function message_handler(event, c2s)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
231 local origin, stanza = event.origin, event.stanza;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
232 local log = c2s and origin.log or module._log;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
233 local orig_type = stanza.attr.type or "normal";
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
234 local orig_from = stanza.attr.from;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
235 local orig_to = stanza.attr.to or orig_from;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
236 -- 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
237
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
238 -- 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
239 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
240 -- 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
241 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
242
7845
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
243 -- 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
244 stanza:maptags(function (tag)
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
245 if tag.name == "stanza-id" and tag.attr.xmlns == "urn:xmpp:sid:0" then
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
246 local by_user, by_host, res = prepped_split(tag.attr.by);
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
247 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
248 return nil;
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
249 end
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
250 end
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
251 return tag;
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
252 end);
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
253
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
254 -- 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
255 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
256 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
257 return;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
258 end
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
259
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
260 -- or if hints suggest we shouldn't
7843
04b09fd144eb mod_mam: Alter hints processing
Kim Alvefur <zash@zash.se>
parents: 7842
diff changeset
261 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
262 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
263 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
264 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
265 return;
04b09fd144eb mod_mam: Alter hints processing
Kim Alvefur <zash@zash.se>
parents: 7842
diff changeset
266 end
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
267 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
268
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
269 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
270 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
271 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
272 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
273 return nil;
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
274 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
diff changeset
275 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
diff changeset
276 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
277 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
278 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
279 return;
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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280 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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281 end
93a068ef4b2c mod_mam: Allow a set of namespaces to be stripped from stored stanzas, default to chat states (fixes #763)
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282
7836
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283 -- Check with the users preferences
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Kim Alvefur <zash@zash.se>
parents:
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284 if shall_store(store_user, with) then
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parents:
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285 log("debug", "Archiving stanza: %s", stanza:top_tag());
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parents:
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286
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parents:
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287 -- And stash it
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parents:
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288 local ok, id = archive:append(store_user, nil, stanza, time_now(), with);
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parents:
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289 if ok then
7846
22275bc5744a mod_mam: Add XEP-0359 tag
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parents: 7845
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290 stanza:tag("stanza-id", { xmlns = "urn:xmpp:sid:0", by = store_user.."@"..host, id = id }):up();
7836
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291 if cleanup then cleanup[store_user] = true; end
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Kim Alvefur <zash@zash.se>
parents:
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292 module:fire_event("archive-message-added", { origin = origin, stanza = stanza, for_user = store_user, id = id });
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parents:
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293 end
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Kim Alvefur <zash@zash.se>
parents:
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294 else
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parents:
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295 log("debug", "Not archiving stanza: %s (prefs)", stanza:top_tag());
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parents:
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296 end
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Kim Alvefur <zash@zash.se>
parents:
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297 end
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Kim Alvefur <zash@zash.se>
parents:
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298
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Kim Alvefur <zash@zash.se>
parents:
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299 local function c2s_message_handler(event)
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parents:
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300 return message_handler(event, true);
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Kim Alvefur <zash@zash.se>
parents:
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301 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
302
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Kim Alvefur <zash@zash.se>
parents:
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303 local cleanup_after = module:get_option_string("archive_expires_after", "1w");
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parents:
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304 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
305 if cleanup_after ~= "never" then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
306 local day = 86400;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
307 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
308 local n, m = cleanup_after:lower():match("(%d+)%s*([dwmy]?)");
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
309 if not n then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
310 module:log("error", "Could not parse archive_expires_after string %q", cleanup_after);
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Kim Alvefur <zash@zash.se>
parents:
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311 return false;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
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312 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
313
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
314 cleanup_after = tonumber(n) * ( multipliers[m] or 1 );
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
315
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
316 module:log("debug", "archive_expires_after = %d -- in seconds", cleanup_after);
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Kim Alvefur <zash@zash.se>
parents:
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317
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
318 if not archive.delete then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
319 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:
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320 return false;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
321 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
322
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
323 -- 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
324 -- Populated either below or when new messages are added
7836
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Kim Alvefur <zash@zash.se>
parents:
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325 cleanup = {};
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
326
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
327 -- 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
328 -- Catch and ignore error if not supported
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
329 pcall(function ()
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
330 -- If this works, then we schedule cleanup for all known known
7836
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
331 for user in um.users(module.host) do
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
332 cleanup[user] = true;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
333 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
334 end);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
335
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
336 -- At odd intervals, delete old messages for one user
7836
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
337 module:add_timer(math.random(10, 60), function()
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
338 local user = next(cleanup);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
339 if user then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
340 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
341 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
342 if not ok then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
343 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
344 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
345 module:log("debug", "Removed %d messages", ok);
7836
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
346 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
347 cleanup[user] = nil;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
348 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
349 return math.random(cleanup_interval, cleanup_interval * 2);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
350 end);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
351 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
352
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
353 -- Stanzas sent by local clients
7840
92b6aa3ea2ce mod_mam: Decrease priority to zero
Kim Alvefur <zash@zash.se>
parents: 7839
diff changeset
354 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
355 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
356 -- Stanszas to local clients
7840
92b6aa3ea2ce mod_mam: Decrease priority to zero
Kim Alvefur <zash@zash.se>
parents: 7839
diff changeset
357 module:hook("message/bare", message_handler, 0);
92b6aa3ea2ce mod_mam: Decrease priority to zero
Kim Alvefur <zash@zash.se>
parents: 7839
diff changeset
358 module:hook("message/full", message_handler, 0);
7836
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 module:hook("account-disco-info", function(event)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
361 (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
362 end);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
363