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plugins/mod_pubsub/pubsub.lib.lua @ 7064:b98006bfd97a
rostermanager: Rename variable to avoid name clash [luacheck]
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 09 Jan 2016 15:18:46 +0100 |
parent | 6841:be87ab2d611c |
child | 7358:d0390bc9c5d1 |
rev | line source |
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1 local st = require "util.stanza"; |
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2 local uuid_generate = require "util.uuid".generate; |
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3 local dataform = require"util.dataforms".new; |
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4 |
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5 local xmlns_pubsub = "http://jabber.org/protocol/pubsub"; |
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6 local xmlns_pubsub_errors = "http://jabber.org/protocol/pubsub#errors"; |
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7 local xmlns_pubsub_owner = "http://jabber.org/protocol/pubsub#owner"; |
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8 |
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9 local _M = {}; |
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10 |
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11 local handlers = {}; |
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12 _M.handlers = handlers; |
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13 |
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14 local pubsub_errors = { |
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15 ["conflict"] = { "cancel", "conflict" }; |
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16 ["invalid-jid"] = { "modify", "bad-request", nil, "invalid-jid" }; |
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17 ["jid-required"] = { "modify", "bad-request", nil, "jid-required" }; |
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18 ["nodeid-required"] = { "modify", "bad-request", nil, "nodeid-required" }; |
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19 ["item-not-found"] = { "cancel", "item-not-found" }; |
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20 ["not-subscribed"] = { "modify", "unexpected-request", nil, "not-subscribed" }; |
6473 | 21 ["forbidden"] = { "auth", "forbidden" }; |
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22 ["not-allowed"] = { "cancel", "not-allowed" }; |
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23 }; |
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24 local function pubsub_error_reply(stanza, error) |
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25 local e = pubsub_errors[error]; |
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26 local reply = st.error_reply(stanza, unpack(e, 1, 3)); |
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27 if e[4] then |
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28 reply:tag(e[4], { xmlns = xmlns_pubsub_errors }):up(); |
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29 end |
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30 return reply; |
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31 end |
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32 _M.pubsub_error_reply = pubsub_error_reply; |
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33 |
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34 local node_config_form = require"util.dataforms".new { |
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35 { |
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36 type = "hidden"; |
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37 name = "FORM_TYPE"; |
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38 value = "http://jabber.org/protocol/pubsub#node_config"; |
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39 }; |
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40 { |
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41 type = "text-single"; |
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42 name = "pubsub#max_items"; |
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43 label = "Max # of items to persist"; |
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44 }; |
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45 }; |
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46 |
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47 function handlers.get_items(origin, stanza, items, service) |
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48 local node = items.attr.node; |
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49 local item = items:get_child("item"); |
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50 local id = item and item.attr.id; |
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51 |
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52 if not node then |
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53 origin.send(pubsub_error_reply(stanza, "nodeid-required")); |
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54 return true; |
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55 end |
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56 local ok, results = service:get_items(node, stanza.attr.from, id); |
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57 if not ok then |
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58 origin.send(pubsub_error_reply(stanza, results)); |
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59 return true; |
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60 end |
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61 |
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62 local data = st.stanza("items", { node = node }); |
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63 for _, id in ipairs(results) do |
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64 data:add_child(results[id]); |
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65 end |
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66 local reply; |
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67 if data then |
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68 reply = st.reply(stanza) |
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69 :tag("pubsub", { xmlns = xmlns_pubsub }) |
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70 :add_child(data); |
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71 else |
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72 reply = pubsub_error_reply(stanza, "item-not-found"); |
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73 end |
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74 origin.send(reply); |
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75 return true; |
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76 end |
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77 |
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78 function handlers.get_subscriptions(origin, stanza, subscriptions, service) |
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79 local node = subscriptions.attr.node; |
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80 local ok, ret = service:get_subscriptions(node, stanza.attr.from, stanza.attr.from); |
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81 if not ok then |
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82 origin.send(pubsub_error_reply(stanza, ret)); |
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83 return true; |
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84 end |
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85 local reply = st.reply(stanza) |
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86 :tag("pubsub", { xmlns = xmlns_pubsub }) |
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87 :tag("subscriptions"); |
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88 for _, sub in ipairs(ret) do |
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89 reply:tag("subscription", { node = sub.node, jid = sub.jid, subscription = 'subscribed' }):up(); |
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90 end |
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91 origin.send(reply); |
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92 return true; |
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93 end |
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94 |
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95 function handlers.set_create(origin, stanza, create, service) |
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96 local node = create.attr.node; |
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97 local ok, ret, reply; |
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98 if node then |
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99 ok, ret = service:create(node, stanza.attr.from); |
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100 if ok then |
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101 reply = st.reply(stanza); |
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102 else |
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103 reply = pubsub_error_reply(stanza, ret); |
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104 end |
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105 else |
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106 repeat |
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107 node = uuid_generate(); |
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108 ok, ret = service:create(node, stanza.attr.from); |
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109 until ok or ret ~= "conflict"; |
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110 if ok then |
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111 reply = st.reply(stanza) |
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112 :tag("pubsub", { xmlns = xmlns_pubsub }) |
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113 :tag("create", { node = node }); |
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114 else |
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115 reply = pubsub_error_reply(stanza, ret); |
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116 end |
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117 end |
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118 origin.send(reply); |
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119 return true; |
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120 end |
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121 |
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122 function handlers.set_delete(origin, stanza, delete, service) |
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123 local node = delete.attr.node; |
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124 |
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125 local reply, notifier; |
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126 if not node then |
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127 origin.send(pubsub_error_reply(stanza, "nodeid-required")); |
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128 return true; |
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129 end |
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130 local ok, ret = service:delete(node, stanza.attr.from); |
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131 if ok then |
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132 reply = st.reply(stanza); |
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133 else |
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134 reply = pubsub_error_reply(stanza, ret); |
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135 end |
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136 origin.send(reply); |
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137 return true; |
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138 end |
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139 |
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140 function handlers.set_subscribe(origin, stanza, subscribe, service) |
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141 local node, jid = subscribe.attr.node, subscribe.attr.jid; |
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142 if not (node and jid) then |
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143 origin.send(pubsub_error_reply(stanza, jid and "nodeid-required" or "invalid-jid")); |
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144 return true; |
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145 end |
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146 --[[ |
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147 local options_tag, options = stanza.tags[1]:get_child("options"), nil; |
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148 if options_tag then |
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149 options = options_form:data(options_tag.tags[1]); |
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150 end |
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151 --]] |
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152 local options_tag, options; -- FIXME |
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153 local ok, ret = service:add_subscription(node, stanza.attr.from, jid, options); |
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154 local reply; |
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155 if ok then |
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156 reply = st.reply(stanza) |
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157 :tag("pubsub", { xmlns = xmlns_pubsub }) |
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158 :tag("subscription", { |
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159 node = node, |
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160 jid = jid, |
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161 subscription = "subscribed" |
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162 }):up(); |
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163 if options_tag then |
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164 reply:add_child(options_tag); |
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165 end |
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166 else |
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167 reply = pubsub_error_reply(stanza, ret); |
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168 end |
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169 origin.send(reply); |
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170 end |
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171 |
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172 function handlers.set_unsubscribe(origin, stanza, unsubscribe, service) |
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173 local node, jid = unsubscribe.attr.node, unsubscribe.attr.jid; |
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174 if not (node and jid) then |
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175 origin.send(pubsub_error_reply(stanza, jid and "nodeid-required" or "invalid-jid")); |
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176 return true; |
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177 end |
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178 local ok, ret = service:remove_subscription(node, stanza.attr.from, jid); |
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179 local reply; |
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180 if ok then |
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181 reply = st.reply(stanza); |
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182 else |
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183 reply = pubsub_error_reply(stanza, ret); |
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184 end |
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185 origin.send(reply); |
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186 return true; |
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187 end |
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188 |
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189 function handlers.set_publish(origin, stanza, publish, service) |
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190 local node = publish.attr.node; |
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191 if not node then |
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192 origin.send(pubsub_error_reply(stanza, "nodeid-required")); |
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193 return true; |
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194 end |
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195 local item = publish:get_child("item"); |
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196 local id = (item and item.attr.id); |
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197 if not id then |
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198 id = uuid_generate(); |
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199 if item then |
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200 item.attr.id = id; |
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201 end |
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202 end |
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203 local ok, ret = service:publish(node, stanza.attr.from, id, item); |
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204 local reply; |
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205 if ok then |
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206 reply = st.reply(stanza) |
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207 :tag("pubsub", { xmlns = xmlns_pubsub }) |
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208 :tag("publish", { node = node }) |
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209 :tag("item", { id = id }); |
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210 else |
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211 reply = pubsub_error_reply(stanza, ret); |
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212 end |
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213 origin.send(reply); |
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214 return true; |
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215 end |
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216 |
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217 function handlers.set_retract(origin, stanza, retract, service) |
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218 local node, notify = retract.attr.node, retract.attr.notify; |
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219 notify = (notify == "1") or (notify == "true"); |
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220 local item = retract:get_child("item"); |
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221 local id = item and item.attr.id |
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222 if not (node and id) then |
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223 origin.send(pubsub_error_reply(stanza, node and "item-not-found" or "nodeid-required")); |
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224 return true; |
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225 end |
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226 local reply, notifier; |
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227 if notify then |
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228 notifier = st.stanza("retract", { id = id }); |
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229 end |
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230 local ok, ret = service:retract(node, stanza.attr.from, id, notifier); |
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231 if ok then |
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232 reply = st.reply(stanza); |
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233 else |
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234 reply = pubsub_error_reply(stanza, ret); |
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235 end |
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236 origin.send(reply); |
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237 return true; |
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238 end |
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239 |
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240 function handlers.set_purge(origin, stanza, purge, service) |
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241 local node, notify = purge.attr.node, purge.attr.notify; |
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242 notify = (notify == "1") or (notify == "true"); |
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243 local reply; |
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244 if not node then |
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245 origin.send(pubsub_error_reply(stanza, "nodeid-required")); |
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246 return true; |
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247 end |
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248 local ok, ret = service:purge(node, stanza.attr.from, notify); |
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249 if ok then |
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250 reply = st.reply(stanza); |
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251 else |
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252 reply = pubsub_error_reply(stanza, ret); |
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253 end |
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254 origin.send(reply); |
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255 return true; |
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256 end |
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257 |
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258 function handlers.get_configure(origin, stanza, config, service) |
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259 local node = config.attr.node; |
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260 if not node then |
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261 origin.send(pubsub_error_reply(stanza, "nodeid-required")); |
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262 return true; |
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263 end |
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264 |
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265 if not service:may(node, stanza.attr.from, "configure") then |
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266 origin.send(pubsub_error_reply(stanza, "forbidden")); |
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267 return true; |
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268 end |
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269 |
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270 local node_obj = service.nodes[node]; |
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271 if not node_obj then |
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272 origin.send(pubsub_error_reply(stanza, "item-not-found")); |
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273 return true; |
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274 end |
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275 |
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276 local reply = st.reply(stanza) |
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277 :tag("pubsub", { xmlns = xmlns_pubsub_owner }) |
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278 :tag("configure", { node = node }) |
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279 :add_child(node_config_form:form(node_obj.config)); |
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280 origin.send(reply); |
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281 return true; |
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282 end |
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283 |
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284 function handlers.set_configure(origin, stanza, config, service) |
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285 local node = config.attr.node; |
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286 if not node then |
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287 origin.send(pubsub_error_reply(stanza, "nodeid-required")); |
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288 return true; |
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289 end |
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290 if not service:may(node, stanza.attr.from, "configure") then |
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291 origin.send(pubsub_error_reply(stanza, "forbidden")); |
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292 return true; |
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293 end |
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294 local new_config, err = node_config_form:data(config.tags[1]); |
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295 if not new_config then |
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296 origin.send(st.error_reply(stanza, "modify", "bad-request", err)); |
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297 return true; |
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298 end |
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299 local ok, err = service:set_node_config(node, stanza.attr.from, new_config); |
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300 if not ok then |
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301 origin.send(pubsub_error_reply(stanza, err)); |
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302 return true; |
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303 end |
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304 origin.send(st.reply(stanza)); |
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305 return true; |
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306 end |
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307 |
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308 function handlers.get_default(origin, stanza, default, service) |
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309 local reply = st.reply(stanza) |
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310 :tag("pubsub", { xmlns = xmlns_pubsub_owner }) |
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311 :tag("default") |
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312 :add_child(node_config_form:form(service.node_defaults)); |
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313 origin.send(reply); |
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314 return true; |
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315 end |
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316 |
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317 return _M; |