prosody
1017a4f8929d
plugins/mod_mam/mod_mam.lua

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plugins/mod_mam/mod_mam.lua @ 7882:1017a4f8929d

mod_mam: Correct import of util.rsm
author Kim Alvefur <zash@zash.se>
date Sat, 04 Feb 2017 00:57:34 +0100
parent 7856:bd5008a7dcbd
child 7890:9e4de27e8e08
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7851
80ee0d9cd56f mod_mam: Normalize copyright headers
Kim Alvefur <zash@zash.se>
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1 -- Prosody IM
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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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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 --
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9 -- XEP-0313: Message Archive Management for Prosody
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10 --
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11
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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";
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15
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16 local um = require "core.usermanager";
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17 local st = require "util.stanza";
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1017a4f8929d mod_mam: Correct import of util.rsm
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18 local rsm = require "util.rsm";
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19 local get_prefs = module:require"mamprefs".get;
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20 local set_prefs = module:require"mamprefs".set;
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21 local prefs_to_stanza = module:require"mamprefsxml".tostanza;
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22 local prefs_from_stanza = module:require"mamprefsxml".fromstanza;
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23 local jid_bare = require "util.jid".bare;
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24 local jid_split = require "util.jid".split;
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25 local jid_prepped_split = require "util.jid".prepped_split;
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26 local dataform = require "util.dataforms".new;
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27 local host = module.host;
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28
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29 local rm_load_roster = require "core.rostermanager".load_roster;
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30
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e5d5e5946af5 mod_mam: Use is_stanza from util.stanza
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31 local is_stanza = st.is_stanza;
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32 local tostring = tostring;
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33 local time_now = os.time;
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34 local m_min = math.min;
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35 local timestamp, timestamp_parse = require "util.datetime".datetime, require "util.datetime".parse;
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36 local default_max_items, max_max_items = 20, module:get_option_number("max_archive_query_results", 50);
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37 local global_default_policy = module:get_option("default_archive_policy", true);
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38 if global_default_policy ~= "roster" then
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39 global_default_policy = module:get_option_boolean("default_archive_policy", global_default_policy);
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40 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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41 local strip_tags = module:get_option_set("dont_archive_namespaces", { "http://jabber.org/protocol/chatstates" });
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42
7850
10d91860172f mod_mam: Change store name to "archive" but make it configurable for people who have data in "archive2"
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43 local archive_store = module:get_option_string("archive_store", "archive");
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44 local archive = assert(module:open_store(archive_store, "archive"));
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45
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46 if archive.name == "null" or not archive.find then
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47 if not archive.find then
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48 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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49 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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50 else
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51 module:log("debug", "Attempt to open archive storage returned null driver");
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52 end
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53 module:log("debug", "See https://prosody.im/doc/storage and https://prosody.im/doc/archiving for more information");
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54 module:log("info", "Using in-memory fallback archive driver");
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55 archive = module:require "fallback_archive";
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56 end
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57
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58 local cleanup;
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59
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60 -- Handle prefs.
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61 module:hook("iq/self/"..xmlns_mam..":prefs", function(event)
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62 local origin, stanza = event.origin, event.stanza;
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63 local user = origin.username;
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64 if stanza.attr.type == "get" then
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65 local prefs = prefs_to_stanza(get_prefs(user));
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66 local reply = st.reply(stanza):add_child(prefs);
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67 origin.send(reply);
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68 else -- type == "set"
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69 local new_prefs = stanza:get_child("prefs", xmlns_mam);
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70 local prefs = prefs_from_stanza(new_prefs);
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71 local ok, err = set_prefs(user, prefs);
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72 if not ok then
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73 origin.send(st.error_reply(stanza, "cancel", "internal-server-error", "Error storing preferences: "..tostring(err)));
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74 else
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75 origin.send(st.reply(stanza));
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76 end
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77 end
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78 return true;
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79 end);
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80
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81 local query_form = dataform {
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82 { name = "FORM_TYPE"; type = "hidden"; value = xmlns_mam; };
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83 { name = "with"; type = "jid-single"; };
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84 { name = "start"; type = "text-single" };
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85 { name = "end"; type = "text-single"; };
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86 };
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87
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88 -- Serve form
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89 module:hook("iq-get/self/"..xmlns_mam..":query", function(event)
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90 local origin, stanza = event.origin, event.stanza;
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91 origin.send(st.reply(stanza):add_child(query_form:form()));
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92 return true;
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93 end);
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94
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95 -- Handle archive queries
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96 module:hook("iq-set/self/"..xmlns_mam..":query", function(event)
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97 local origin, stanza = event.origin, event.stanza;
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98 local query = stanza.tags[1];
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99 local qid = query.attr.queryid;
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100
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101 if cleanup then cleanup[origin.username] = true; end
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102
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103 -- Search query parameters
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104 local qwith, qstart, qend;
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105 local form = query:get_child("x", "jabber:x:data");
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106 if form then
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107 local err;
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108 form, err = query_form:data(form);
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109 if err then
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110 origin.send(st.error_reply(stanza, "modify", "bad-request", select(2, next(err))));
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111 return true;
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112 end
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113 qwith, qstart, qend = form["with"], form["start"], form["end"];
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114 qwith = qwith and jid_bare(qwith); -- dataforms does jidprep
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115 end
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116
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117 if qstart or qend then -- Validate timestamps
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118 local vstart, vend = (qstart and timestamp_parse(qstart)), (qend and timestamp_parse(qend));
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119 if (qstart and not vstart) or (qend and not vend) then
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120 origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid timestamp"))
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121 return true;
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122 end
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123 qstart, qend = vstart, vend;
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124 end
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125
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126 module:log("debug", "Archive query, id %s with %s from %s until %s)",
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127 tostring(qid), qwith or "anyone", qstart or "the dawn of time", qend or "now");
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128
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129 -- RSM stuff
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130 local qset = rsm.get(query);
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131 local qmax = m_min(qset and qset.max or default_max_items, max_max_items);
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132 local reverse = qset and qset.before or false;
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133 local before, after = qset and qset.before, qset and qset.after;
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134 if type(before) ~= "string" then before = nil; end
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135
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136
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 -- Load all the data!
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 local data, err = archive:find(origin.username, {
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 start = qstart; ["end"] = qend; -- Time range
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 with = qwith;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 limit = qmax + 1;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 before = before; after = after;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 reverse = reverse;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 total = true;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 });
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 if not data then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 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
149 return true;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 local total = tonumber(err);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153 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
154
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155 local results = {};
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 -- Wrap it in stuff and deliver
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
158 local first, last;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 local count = 0;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
160 local complete = "true";
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161 for id, item, when in data do
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
162 count = count + 1;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
163 if count > qmax then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
164 complete = nil;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
165 break;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
167 local fwd_st = st.message(msg_reply_attr)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
168 :tag("result", { xmlns = xmlns_mam, queryid = qid, id = id })
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
169 :tag("forwarded", { xmlns = xmlns_forward })
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
170 :tag("delay", { xmlns = xmlns_delay, stamp = timestamp(when) }):up();
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 is_stanza(item) then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
173 item = st.deserialize(item);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 item.attr.xmlns = "jabber:client";
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
176 fwd_st:add_child(item);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
177
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
178 if not first then first = id; end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179 last = id;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
180
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
181 if reverse then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 results[count] = fwd_st;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
183 else
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 origin.send(fwd_st);
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 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
187
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188 if reverse then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189 for i = #results, 1, -1 do
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 origin.send(results[i]);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
191 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
192 first, last = last, first;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
193 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
194
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
195 -- That's all folks!
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
196 module:log("debug", "Archive query %s completed", tostring(qid));
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
197
7839
f3e1925f29c2 mod_mam: Update to XEP-0313 v0.5.1
Kim Alvefur <zash@zash.se>
parents: 7838
diff changeset
198 origin.send(st.reply(stanza)
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
199 :tag("fin", { xmlns = xmlns_mam, queryid = qid, complete = complete })
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
200 :add_child(rsm.generate {
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
201 first = first, last = last, count = total }));
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
202 return true;
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 has_in_roster(user, who)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
206 local roster = rm_load_roster(user, host);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
207 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
208 return roster[who];
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
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
211 local function shall_store(user, who)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
212 -- TODO Cache this?
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
213 if not um.user_exists(user, host) then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
214 return false;
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 local prefs = get_prefs(user);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
217 local rule = prefs[who];
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
218 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
219 if rule ~= nil then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
220 return rule;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222 -- Below could be done by a metatable
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223 local default = prefs[false];
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
224 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
225 if default == nil then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
226 default = global_default_policy;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
227 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
228 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
229 if default == "roster" then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
230 return has_in_roster(user, who);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
231 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
232 return default;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
233 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
234
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
235 -- Handle messages
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
236 local function message_handler(event, c2s)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
237 local origin, stanza = event.origin, event.stanza;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
238 local log = c2s and origin.log or module._log;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
239 local orig_type = stanza.attr.type or "normal";
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
240 local orig_from = stanza.attr.from;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
241 local orig_to = stanza.attr.to or orig_from;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
242 -- 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
243
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
244 -- 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
245 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
246 -- 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
247 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
248
7845
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
249 -- 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
250 stanza:maptags(function (tag)
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
251 if tag.name == "stanza-id" and tag.attr.xmlns == "urn:xmpp:sid:0" then
7856
bd5008a7dcbd mod_mam: Use correct local name for util.jid.prepped_split
Kim Alvefur <zash@zash.se>
parents: 7851
diff changeset
252 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
253 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
254 return nil;
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
255 end
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 return tag;
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
258 end);
eeb22f912577 mod_mam: Filter out spoofed XEP-0359 tags
Kim Alvefur <zash@zash.se>
parents: 7844
diff changeset
259
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
260 -- 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
261 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
262 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
263 return;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
264 end
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
265
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
266 -- or if hints suggest we shouldn't
7843
04b09fd144eb mod_mam: Alter hints processing
Kim Alvefur <zash@zash.se>
parents: 7842
diff changeset
267 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
268 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
269 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
270 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
271 return;
04b09fd144eb mod_mam: Alter hints processing
Kim Alvefur <zash@zash.se>
parents: 7842
diff changeset
272 end
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
273 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
274
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
275 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
276 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
277 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
278 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
279 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
280 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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281 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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282 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
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 if #stanza.tags == 0 then
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Kim Alvefur <zash@zash.se>
parents: 7848
diff changeset
285 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
286 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
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
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288
7836
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parents:
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289 -- Check with the users preferences
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Kim Alvefur <zash@zash.se>
parents:
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290 if shall_store(store_user, with) then
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Kim Alvefur <zash@zash.se>
parents:
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291 log("debug", "Archiving stanza: %s", stanza:top_tag());
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parents:
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292
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Kim Alvefur <zash@zash.se>
parents:
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293 -- And stash it
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Kim Alvefur <zash@zash.se>
parents:
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294 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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295 if ok then
7846
22275bc5744a mod_mam: Add XEP-0359 tag
Kim Alvefur <zash@zash.se>
parents: 7845
diff changeset
296 stanza:tag("stanza-id", { xmlns = "urn:xmpp:sid:0", by = store_user.."@"..host, id = id }):up();
7836
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Kim Alvefur <zash@zash.se>
parents:
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297 if cleanup then cleanup[store_user] = true; end
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Kim Alvefur <zash@zash.se>
parents:
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298 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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299 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
300 else
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
301 log("debug", "Not archiving stanza: %s (prefs)", stanza:top_tag());
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Kim Alvefur <zash@zash.se>
parents:
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302 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
303 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
304
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
305 local function c2s_message_handler(event)
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
306 return message_handler(event, true);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
307 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
308
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
309 local cleanup_after = module:get_option_string("archive_expires_after", "1w");
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
310 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
311 if cleanup_after ~= "never" then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
312 local day = 86400;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
313 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
314 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
315 if not n then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
316 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
317 return false;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
318 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
319
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
320 cleanup_after = tonumber(n) * ( multipliers[m] or 1 );
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
321
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
322 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
323
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
324 if not archive.delete then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
325 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
326 return false;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
327 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
328
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
329 -- 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
330 -- 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
331 cleanup = {};
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
332
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
333 -- 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
334 -- Catch and ignore error if not supported
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
335 pcall(function ()
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
336 -- 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
337 for user in um.users(module.host) do
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
338 cleanup[user] = true;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
339 end
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
7842
9332b43931f5 mod_mam: Add some comments explaining archive expiry
Kim Alvefur <zash@zash.se>
parents: 7841
diff changeset
342 -- 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
343 module:add_timer(math.random(10, 60), function()
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
344 local user = next(cleanup);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
345 if user then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
346 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
347 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
348 if not ok then
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
349 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
350 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
351 module:log("debug", "Removed %d messages", ok);
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
352 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
353 cleanup[user] = nil;
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
354 end
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
355 return math.random(cleanup_interval, cleanup_interval * 2);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
356 end);
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
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
359 -- Stanzas sent by local clients
7840
92b6aa3ea2ce mod_mam: Decrease priority to zero
Kim Alvefur <zash@zash.se>
parents: 7839
diff changeset
360 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
361 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
362 -- Stanszas to local clients
7840
92b6aa3ea2ce mod_mam: Decrease priority to zero
Kim Alvefur <zash@zash.se>
parents: 7839
diff changeset
363 module:hook("message/bare", message_handler, 0);
92b6aa3ea2ce mod_mam: Decrease priority to zero
Kim Alvefur <zash@zash.se>
parents: 7839
diff changeset
364 module:hook("message/full", message_handler, 0);
7836
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
365
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
366 module:hook("account-disco-info", function(event)
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
367 (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
368 end);
30fac9154fd4 mod_mam: Import from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
369