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plugins/archive.lua @ 358:a8f6fd6a70ed
plugins.sasl: Alter mechanism loading and pass name of loaded mechanism. Fixes attempting SCRAM-PLUS when only SCRAM is offered
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 18 Sep 2014 20:32:38 +0200 |
parent | 353:8cd05c3d0f1f |
child | 380:0891b4e27766 |
rev | line source |
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1 -- This implements XEP-0313: Message Archive Management |
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2 -- http://xmpp.org/extensions/xep-0313.html |
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3 -- (ie not XEP-0136) |
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4 |
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5 local verse = require "verse"; |
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6 local st = require "util.stanza"; |
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7 local xmlns_mam = "urn:xmpp:mam:0" |
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8 local xmlns_forward = "urn:xmpp:forward:0"; |
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9 local xmlns_delay = "urn:xmpp:delay"; |
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10 local uuid = require "util.uuid".generate; |
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11 local parse_datetime = require "util.datetime".parse; |
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12 local datetime = require "util.datetime".datetime; |
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13 local dataform = require"util.dataforms".new; |
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14 local rsm = require "util.rsm"; |
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15 local NULL = {}; |
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16 |
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17 local query_form = dataform { |
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18 { name = "FORM_TYPE"; type = "hidden"; value = xmlns_mam; }; |
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19 { name = "with"; type = "jid-single"; }; |
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20 { name = "start"; type = "text-single" }; |
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21 { name = "end"; type = "text-single"; }; |
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22 }; |
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23 |
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24 function verse.plugins.archive(stream) |
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25 function stream:query_archive(where, query_params, callback) |
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26 local queryid = uuid(); |
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27 local query_st = st.iq{ type="set", to = where } |
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28 :tag("query", { xmlns = xmlns_mam, queryid = queryid }); |
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29 |
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30 |
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31 local qstart, qend = tonumber(query_params["start"]), tonumber(query_params["end"]); |
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32 query_params["start"] = qstart and datetime(qstart); |
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33 query_params["end"] = qend and datetime(qend); |
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34 |
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35 query_st:add_child(query_form:form(query_params, "submit")); |
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36 -- query_st:up(); |
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37 query_st:add_child(rsm.generate(query_params)); |
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38 |
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39 local results = {}; |
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40 local function handle_archived_message(message) |
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41 |
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42 local finnished = message:get_child("fin", xmlns_mam) |
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43 if finnished and finnished.attr.queryid == queryid then |
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44 local rset = rsm.get(finnished); |
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45 for k,v in pairs(rset or NULL) do results[k]=v; end |
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46 self:unhook("message", handle_archived_message); |
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47 callback(results); |
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48 return true |
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49 end |
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50 local result_tag = message:get_child("result", xmlns_mam); |
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51 if result_tag and result_tag.attr.queryid == queryid then |
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52 local forwarded = result_tag:get_child("forwarded", xmlns_forward); |
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53 forwarded = forwarded or message:get_child("forwarded", xmlns_forward); -- COMPAT XEP-0313 pre 2013-05-31 |
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54 |
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55 local id = result_tag.attr.id; |
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56 local delay = forwarded:get_child("delay", xmlns_delay); |
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57 local stamp = delay and parse_datetime(delay.attr.stamp) or nil; |
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58 |
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59 local message = forwarded:get_child("message", "jabber:client") |
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60 |
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61 results[#results+1] = { id = id, stamp = stamp, message = message }; |
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62 return true |
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63 end |
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64 end |
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65 |
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66 self:hook("message", handle_archived_message, 1); |
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67 self:send_iq(query_st, function(reply) |
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68 if reply.attr.type == "error" then |
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69 self:warn(table.concat({reply:get_error()}, " ")) |
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70 self:unhook("message", handle_archived_message); |
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71 callback(false, reply:get_error()) |
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72 end |
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73 return true |
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74 end); |
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75 end |
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76 |
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77 local default_attrs = { |
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78 always = true, [true] = "always", |
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79 never = false, [false] = "never", |
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80 roster = "roster", |
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81 } |
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82 |
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83 local function prefs_decode(stanza) -- from XML |
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84 local prefs = {}; |
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85 local default = stanza.attr.default; |
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86 |
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87 if default then |
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88 prefs[false] = default_attrs[default]; |
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89 end |
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90 |
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91 local always = stanza:get_child("always"); |
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92 if always then |
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93 for rule in always:childtags("jid") do |
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94 local jid = rule:get_text(); |
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95 prefs[jid] = true; |
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96 end |
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97 end |
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98 |
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99 local never = stanza:get_child("never"); |
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100 if never then |
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101 for rule in never:childtags("jid") do |
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102 local jid = rule:get_text(); |
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103 prefs[jid] = false; |
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104 end |
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105 end |
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106 return prefs; |
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107 end |
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108 |
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109 local function prefs_encode(prefs) -- into XML |
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110 local default |
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111 default, prefs[false] = prefs[false], nil; |
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112 if default ~= nil then |
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113 default = default_attrs[default]; |
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114 end |
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115 local reply = st.stanza("prefs", { xmlns = xmlns_mam, default = default }) |
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116 local always = st.stanza("always"); |
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117 local never = st.stanza("never"); |
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118 for k,v in pairs(prefs) do |
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119 (v and always or never):tag("jid"):text(k):up(); |
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120 end |
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121 return reply:add_child(always):add_child(never); |
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122 end |
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123 |
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124 function stream:archive_prefs_get(callback) |
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125 self:send_iq(st.iq{ type="get" }:tag("prefs", { xmlns = xmlns_mam }), |
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126 function(result) |
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127 if result and result.attr.type == "result" and result.tags[1] then |
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128 local prefs = prefs_decode(result.tags[1]); |
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129 callback(prefs, result); |
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130 else |
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131 callback(nil, result); |
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132 end |
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133 end); |
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134 end |
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135 |
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136 function stream:archive_prefs_set(prefs, callback) |
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137 self:send_iq(st.iq{ type="set" }:add_child(prefs_encode(prefs)), callback); |
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138 end |
273
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139 end |