prosody
352d605b1178
plugins/mod_pubsub/pubsub.lib.lua

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plugins/mod_pubsub/pubsub.lib.lua @ 8210:352d605b1178

mod_pubsub: Fix a few warnings [luacheck]
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Fri, 14 Apr 2017 22:45:59 +0100
parent 7358:d0390bc9c5d1
child 8213:e1272aeef31c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
8210
352d605b1178 mod_pubsub: Fix a few warnings [luacheck]
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 7358
diff changeset
1 local t_unpack = table.unpack or unpack; -- luacheck: ignore 113
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2
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3 local st = require "util.stanza";
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4 local uuid_generate = require "util.uuid".generate;
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5 local dataform = require"util.dataforms".new;
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6
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7 local xmlns_pubsub = "http://jabber.org/protocol/pubsub";
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8 local xmlns_pubsub_errors = "http://jabber.org/protocol/pubsub#errors";
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9 local xmlns_pubsub_owner = "http://jabber.org/protocol/pubsub#owner";
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10
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11 local _M = {};
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12
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13 local handlers = {};
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14 _M.handlers = handlers;
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15
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16 local pubsub_errors = {
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17 ["conflict"] = { "cancel", "conflict" };
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18 ["invalid-jid"] = { "modify", "bad-request", nil, "invalid-jid" };
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19 ["jid-required"] = { "modify", "bad-request", nil, "jid-required" };
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20 ["nodeid-required"] = { "modify", "bad-request", nil, "nodeid-required" };
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21 ["item-not-found"] = { "cancel", "item-not-found" };
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22 ["not-subscribed"] = { "modify", "unexpected-request", nil, "not-subscribed" };
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23 ["forbidden"] = { "auth", "forbidden" };
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24 ["not-allowed"] = { "cancel", "not-allowed" };
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25 };
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26 local function pubsub_error_reply(stanza, error)
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27 local e = pubsub_errors[error];
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28 local reply = st.error_reply(stanza, t_unpack(e, 1, 3));
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29 if e[4] then
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30 reply:tag(e[4], { xmlns = xmlns_pubsub_errors }):up();
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31 end
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32 return reply;
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33 end
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34 _M.pubsub_error_reply = pubsub_error_reply;
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35
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36 local node_config_form = dataform {
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37 {
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38 type = "hidden";
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39 name = "FORM_TYPE";
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40 value = "http://jabber.org/protocol/pubsub#node_config";
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41 };
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42 {
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43 type = "text-single";
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44 name = "pubsub#max_items";
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45 label = "Max # of items to persist";
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46 };
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47 };
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48
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49 function handlers.get_items(origin, stanza, items, service)
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50 local node = items.attr.node;
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51 local item = items:get_child("item");
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52 local item_id = item and item.attr.id;
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53
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54 if not node then
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55 origin.send(pubsub_error_reply(stanza, "nodeid-required"));
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56 return true;
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57 end
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58 local ok, results = service:get_items(node, stanza.attr.from, item_id);
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59 if not ok then
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60 origin.send(pubsub_error_reply(stanza, results));
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61 return true;
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62 end
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63
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64 local data = st.stanza("items", { node = node });
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65 for _, id in ipairs(results) do
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66 data:add_child(results[id]);
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67 end
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68 local reply;
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69 if data then
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70 reply = st.reply(stanza)
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71 :tag("pubsub", { xmlns = xmlns_pubsub })
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72 :add_child(data);
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73 else
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74 reply = pubsub_error_reply(stanza, "item-not-found");
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75 end
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76 origin.send(reply);
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77 return true;
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78 end
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79
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80 function handlers.get_subscriptions(origin, stanza, subscriptions, service)
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81 local node = subscriptions.attr.node;
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82 local ok, ret = service:get_subscriptions(node, stanza.attr.from, stanza.attr.from);
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83 if not ok then
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84 origin.send(pubsub_error_reply(stanza, ret));
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85 return true;
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86 end
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87 local reply = st.reply(stanza)
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88 :tag("pubsub", { xmlns = xmlns_pubsub })
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89 :tag("subscriptions");
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90 for _, sub in ipairs(ret) do
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91 reply:tag("subscription", { node = sub.node, jid = sub.jid, subscription = 'subscribed' }):up();
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92 end
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93 origin.send(reply);
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94 return true;
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95 end
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96
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97 function handlers.set_create(origin, stanza, create, service)
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98 local node = create.attr.node;
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99 local ok, ret, reply;
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100 if node then
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101 ok, ret = service:create(node, stanza.attr.from);
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102 if ok then
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103 reply = st.reply(stanza);
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104 else
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105 reply = pubsub_error_reply(stanza, ret);
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106 end
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107 else
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108 repeat
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109 node = uuid_generate();
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110 ok, ret = service:create(node, stanza.attr.from);
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111 until ok or ret ~= "conflict";
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112 if ok then
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113 reply = st.reply(stanza)
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114 :tag("pubsub", { xmlns = xmlns_pubsub })
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115 :tag("create", { node = node });
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116 else
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117 reply = pubsub_error_reply(stanza, ret);
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118 end
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119 end
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120 origin.send(reply);
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121 return true;
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122 end
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123
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124 function handlers.set_delete(origin, stanza, delete, service)
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125 local node = delete.attr.node;
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126
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127 local reply;
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128 if not node then
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129 origin.send(pubsub_error_reply(stanza, "nodeid-required"));
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130 return true;
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diff changeset
131 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
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parents:
diff changeset
132 local ok, ret = service:delete(node, stanza.attr.from);
8416d4619d80 mod_pubsub: Split out handlers into a module library
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parents:
diff changeset
133 if ok then
8416d4619d80 mod_pubsub: Split out handlers into a module library
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parents:
diff changeset
134 reply = st.reply(stanza);
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
135 else
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
136 reply = pubsub_error_reply(stanza, ret);
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
137 end
6841
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138 origin.send(reply);
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139 return true;
5626
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diff changeset
140 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
141
8416d4619d80 mod_pubsub: Split out handlers into a module library
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parents:
diff changeset
142 function handlers.set_subscribe(origin, stanza, subscribe, service)
8416d4619d80 mod_pubsub: Split out handlers into a module library
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parents:
diff changeset
143 local node, jid = subscribe.attr.node, subscribe.attr.jid;
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144 if not (node and jid) then
6841
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145 origin.send(pubsub_error_reply(stanza, jid and "nodeid-required" or "invalid-jid"));
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diff changeset
146 return true;
5626
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diff changeset
147 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
148 --[[
8416d4619d80 mod_pubsub: Split out handlers into a module library
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diff changeset
149 local options_tag, options = stanza.tags[1]:get_child("options"), nil;
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diff changeset
150 if options_tag then
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diff changeset
151 options = options_form:data(options_tag.tags[1]);
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152 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
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parents:
diff changeset
153 --]]
8416d4619d80 mod_pubsub: Split out handlers into a module library
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parents:
diff changeset
154 local options_tag, options; -- FIXME
8416d4619d80 mod_pubsub: Split out handlers into a module library
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diff changeset
155 local ok, ret = service:add_subscription(node, stanza.attr.from, jid, options);
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parents:
diff changeset
156 local reply;
8416d4619d80 mod_pubsub: Split out handlers into a module library
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parents:
diff changeset
157 if ok then
8416d4619d80 mod_pubsub: Split out handlers into a module library
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diff changeset
158 reply = st.reply(stanza)
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
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diff changeset
159 :tag("pubsub", { xmlns = xmlns_pubsub })
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Florian Zeitz <florob@babelmonkeys.de>
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diff changeset
160 :tag("subscription", {
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diff changeset
161 node = node,
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diff changeset
162 jid = jid,
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diff changeset
163 subscription = "subscribed"
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Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
164 }):up();
8416d4619d80 mod_pubsub: Split out handlers into a module library
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diff changeset
165 if options_tag then
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parents:
diff changeset
166 reply:add_child(options_tag);
8416d4619d80 mod_pubsub: Split out handlers into a module library
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parents:
diff changeset
167 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
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parents:
diff changeset
168 else
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parents:
diff changeset
169 reply = pubsub_error_reply(stanza, ret);
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parents:
diff changeset
170 end
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parents:
diff changeset
171 origin.send(reply);
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parents:
diff changeset
172 end
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diff changeset
173
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diff changeset
174 function handlers.set_unsubscribe(origin, stanza, unsubscribe, service)
8416d4619d80 mod_pubsub: Split out handlers into a module library
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parents:
diff changeset
175 local node, jid = unsubscribe.attr.node, unsubscribe.attr.jid;
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parents:
diff changeset
176 if not (node and jid) then
6841
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177 origin.send(pubsub_error_reply(stanza, jid and "nodeid-required" or "invalid-jid"));
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178 return true;
5626
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diff changeset
179 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
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diff changeset
180 local ok, ret = service:remove_subscription(node, stanza.attr.from, jid);
8416d4619d80 mod_pubsub: Split out handlers into a module library
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diff changeset
181 local reply;
8416d4619d80 mod_pubsub: Split out handlers into a module library
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diff changeset
182 if ok then
8416d4619d80 mod_pubsub: Split out handlers into a module library
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diff changeset
183 reply = st.reply(stanza);
8416d4619d80 mod_pubsub: Split out handlers into a module library
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diff changeset
184 else
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diff changeset
185 reply = pubsub_error_reply(stanza, ret);
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diff changeset
186 end
6841
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187 origin.send(reply);
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188 return true;
5626
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189 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
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diff changeset
190
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diff changeset
191 function handlers.set_publish(origin, stanza, publish, service)
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diff changeset
192 local node = publish.attr.node;
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diff changeset
193 if not node then
6841
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194 origin.send(pubsub_error_reply(stanza, "nodeid-required"));
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195 return true;
5626
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Florian Zeitz <florob@babelmonkeys.de>
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diff changeset
196 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
197 local item = publish:get_child("item");
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Florian Zeitz <florob@babelmonkeys.de>
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diff changeset
198 local id = (item and item.attr.id);
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
199 if not id then
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
200 id = uuid_generate();
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
201 if item then
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
202 item.attr.id = id;
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
203 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
204 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
205 local ok, ret = service:publish(node, stanza.attr.from, id, item);
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
206 local reply;
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
207 if ok then
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
208 reply = st.reply(stanza)
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
209 :tag("pubsub", { xmlns = xmlns_pubsub })
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
210 :tag("publish", { node = node })
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
211 :tag("item", { id = id });
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
212 else
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
213 reply = pubsub_error_reply(stanza, ret);
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
214 end
6841
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diff changeset
215 origin.send(reply);
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Kim Alvefur <zash@zash.se>
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diff changeset
216 return true;
5626
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Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
217 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
218
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
219 function handlers.set_retract(origin, stanza, retract, service)
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
220 local node, notify = retract.attr.node, retract.attr.notify;
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
221 notify = (notify == "1") or (notify == "true");
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
222 local item = retract:get_child("item");
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
223 local id = item and item.attr.id
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
224 if not (node and id) then
6841
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diff changeset
225 origin.send(pubsub_error_reply(stanza, node and "item-not-found" or "nodeid-required"));
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diff changeset
226 return true;
5626
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Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
227 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
228 local reply, notifier;
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
229 if notify then
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
230 notifier = st.stanza("retract", { id = id });
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
231 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
232 local ok, ret = service:retract(node, stanza.attr.from, id, notifier);
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
233 if ok then
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
234 reply = st.reply(stanza);
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
235 else
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
236 reply = pubsub_error_reply(stanza, ret);
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
237 end
6841
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diff changeset
238 origin.send(reply);
be87ab2d611c plugins: Explicitly return to halt event propagation (session.send sometimes does not return true)
Kim Alvefur <zash@zash.se>
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diff changeset
239 return true;
5626
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
240 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
241
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
242 function handlers.set_purge(origin, stanza, purge, service)
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
243 local node, notify = purge.attr.node, purge.attr.notify;
8416d4619d80 mod_pubsub: Split out handlers into a module library
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diff changeset
244 notify = (notify == "1") or (notify == "true");
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
245 local reply;
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
246 if not node then
6841
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diff changeset
247 origin.send(pubsub_error_reply(stanza, "nodeid-required"));
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diff changeset
248 return true;
5626
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Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
249 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
250 local ok, ret = service:purge(node, stanza.attr.from, notify);
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
251 if ok then
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
252 reply = st.reply(stanza);
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
253 else
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
254 reply = pubsub_error_reply(stanza, ret);
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
255 end
6841
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diff changeset
256 origin.send(reply);
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Kim Alvefur <zash@zash.se>
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diff changeset
257 return true;
5626
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Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
258 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
259
6438
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diff changeset
260 function handlers.get_configure(origin, stanza, config, service)
b1c40054b59d mod_pubsub: Add support for node configuration
Kim Alvefur <zash@zash.se>
parents: 5851
diff changeset
261 local node = config.attr.node;
b1c40054b59d mod_pubsub: Add support for node configuration
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diff changeset
262 if not node then
6841
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diff changeset
263 origin.send(pubsub_error_reply(stanza, "nodeid-required"));
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diff changeset
264 return true;
6438
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Kim Alvefur <zash@zash.se>
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diff changeset
265 end
b1c40054b59d mod_pubsub: Add support for node configuration
Kim Alvefur <zash@zash.se>
parents: 5851
diff changeset
266
6445
f1ad3923368c pubsub.lib: Fix actor in configure
Kim Alvefur <zash@zash.se>
parents: 6441
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267 if not service:may(node, stanza.attr.from, "configure") then
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268 origin.send(pubsub_error_reply(stanza, "forbidden"));
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269 return true;
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270 end
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271
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272 local node_obj = service.nodes[node];
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273 if not node_obj then
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274 origin.send(pubsub_error_reply(stanza, "item-not-found"));
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275 return true;
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276 end
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277
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278 local reply = st.reply(stanza)
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279 :tag("pubsub", { xmlns = xmlns_pubsub_owner })
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280 :tag("configure", { node = node })
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281 :add_child(node_config_form:form(node_obj.config));
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282 origin.send(reply);
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283 return true;
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284 end
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285
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286 function handlers.set_configure(origin, stanza, config, service)
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287 local node = config.attr.node;
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288 if not node then
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289 origin.send(pubsub_error_reply(stanza, "nodeid-required"));
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290 return true;
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291 end
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292 if not service:may(node, stanza.attr.from, "configure") then
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293 origin.send(pubsub_error_reply(stanza, "forbidden"));
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294 return true;
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295 end
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296 local new_config, err = node_config_form:data(config.tags[1]);
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297 if not new_config then
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298 origin.send(st.error_reply(stanza, "modify", "bad-request", err));
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299 return true;
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300 end
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301 local ok, err = service:set_node_config(node, stanza.attr.from, new_config);
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302 if not ok then
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diff changeset
303 origin.send(pubsub_error_reply(stanza, err));
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304 return true;
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305 end
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diff changeset
306 origin.send(st.reply(stanza));
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diff changeset
307 return true;
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308 end
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309
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diff changeset
310 function handlers.get_default(origin, stanza, default, service)
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311 local reply = st.reply(stanza)
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312 :tag("pubsub", { xmlns = xmlns_pubsub_owner })
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diff changeset
313 :tag("default")
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diff changeset
314 :add_child(node_config_form:form(service.node_defaults));
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diff changeset
315 origin.send(reply);
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316 return true;
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317 end
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diff changeset
318
5626
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
319 return _M;