Mercurial > prosody-modules
annotate mod_cloud_notify/mod_cloud_notify.lua @ 2143:7cab309a26b2
mod_throttle_unsolicited: Remove unused local [luacheck]
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 30 Mar 2016 11:12:01 +0200 |
parents | 218a3d3f7f97 |
children | eb53a830864c |
rev | line source |
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1 -- XEP-0357: Push (aka: My mobile OS vendor won't let me have persistent TCP connections) |
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2 -- Copyright (C) 2015 Kim Alvefur |
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3 -- |
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4 -- This file is MIT/X11 licensed. |
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5 |
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6 local st = require"util.stanza"; |
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7 local jid = require"util.jid"; |
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8 local dataform = require"util.dataforms".new; |
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9 local filters = require "util.filters"; |
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10 |
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11 local xmlns_push = "urn:xmpp:push:0"; |
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12 |
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13 -- configuration |
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14 local include_body = module:get_option("push_notification_with_body", true); |
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15 local include_sender = module:get_option("push_notification_with_sender", true); |
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16 |
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17 -- For keeping state across reloads |
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18 local push_enabled = module:shared("push-enabled-users"); |
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19 |
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20 -- http://xmpp.org/extensions/xep-0357.html#disco |
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21 module:add_feature(xmlns_push); |
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22 |
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23 -- http://xmpp.org/extensions/xep-0357.html#enabling |
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24 module:hook("iq-set/self/"..xmlns_push..":enable", function (event) |
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25 local origin, stanza = event.origin, event.stanza; |
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26 -- MUST contain a 'jid' attribute of the XMPP Push Service being enabled |
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27 local push_jid = stanza.tags[1].attr.jid; |
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28 -- SHOULD contain a 'node' attribute |
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29 local push_node = stanza.tags[1].attr.node; |
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30 if not push_jid then |
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31 origin.send(st.error_reply(stanza, "modify", "bad-request", "Missing jid")); |
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32 return true; |
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33 end |
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34 local publish_options = stanza.tags[1].tags[1]; |
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35 if publish_options and ( publish_options.name ~= "x" or publish_options.attr.xmlns ~= "jabber:x:data" ) then |
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36 origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid publish options")); |
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37 return true; |
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38 end |
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39 local user_push_services = push_enabled[origin.username]; |
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40 if not user_push_services then |
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41 user_push_services = {}; |
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42 push_enabled[origin.username] = user_push_services; |
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43 end |
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44 user_push_services[push_jid .. "<" .. (push_node or "")] = { |
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45 jid = push_jid; |
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46 node = push_node; |
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47 count = 0; |
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48 options = publish_options; |
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49 }; |
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50 origin.send(st.reply(stanza)); |
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51 return true; |
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52 end); |
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53 |
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54 -- http://xmpp.org/extensions/xep-0357.html#disabling |
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55 module:hook("iq-set/self/"..xmlns_push..":disable", function (event) |
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56 local origin, stanza = event.origin, event.stanza; |
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57 local push_jid = stanza.tags[1].attr.jid; -- MUST include a 'jid' attribute |
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58 local push_node = stanza.tags[1].attr.node; -- A 'node' attribute MAY be included |
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59 if not push_jid then |
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60 origin.send(st.error_reply(stanza, "modify", "bad-request", "Missing jid")); |
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61 return true; |
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62 end |
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63 local user_push_services = push_enabled[origin.username]; |
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64 for key, push_info in pairs(user_push_services) do |
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65 if push_info.jid == push_jid and (not push_node or push_info.node == push_node) then |
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66 user_push_services[key] = nil; |
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67 end |
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68 end |
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69 origin.send(st.reply(stanza)); |
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70 return true; |
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71 end); |
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72 |
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73 local push_form = dataform { |
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74 { name = "FORM_TYPE"; type = "hidden"; value = "urn:xmpp:push:summary"; }; |
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75 { name = "message-count"; type = "text-single"; }; |
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76 { name = "pending-subscription-count"; type = "text-single"; }; |
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77 { name = "last-message-sender"; type = "jid-single"; }; |
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78 { name = "last-message-body"; type = "text-single"; }; |
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79 }; |
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80 |
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81 -- http://xmpp.org/extensions/xep-0357.html#publishing |
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82 local function handle_notify_request(origin, stanza) |
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83 local to = stanza.attr.to; |
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84 local node = to and jid.split(to) or origin.username; |
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85 local user_push_services = push_enabled[node]; |
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86 if not user_push_services then return end |
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87 |
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88 for _, push_info in pairs(user_push_services) do |
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89 push_info.count = push_info.count + 1; |
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90 local push_jid, push_node = push_info.jid, push_info.node; |
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91 local push_publish = st.iq({ to = push_jid, from = node .. "@" .. module.host, type = "set", id = "push" }) |
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92 :tag("pubsub", { xmlns = "http://jabber.org/protocol/pubsub" }) |
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93 :tag("publish", { node = push_node }) |
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94 :tag("item") |
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95 :tag("notification", { xmlns = xmlns_push }); |
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96 local form_data = { |
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97 ["message-count"] = tostring(push_info.count); |
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98 }; |
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99 if include_sender then |
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100 form_data["last-message-sender"] = stanza.attr.from; |
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101 end |
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102 if include_body then |
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103 form_data["last-message-body"] = stanza:get_child_text("body"); |
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104 end |
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105 push_publish:add_child(push_form:form(form_data)); |
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106 push_publish:up(); -- / notification |
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107 push_publish:up(); -- / publish |
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108 push_publish:up(); -- / pubsub |
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109 if push_info.options then |
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110 push_publish:tag("publish-options"):add_child(push_info.options); |
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111 end |
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112 module:send(push_publish); |
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113 end |
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114 end |
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115 |
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116 -- publish on offline message |
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117 module:hook("message/offline/handle", function(event) |
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118 if event.stanza._notify then |
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119 event.stanza._notify = nil; |
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120 return; |
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121 end |
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122 return handle_notify_request(event.origin, event.stanza); |
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123 end, 1); |
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124 |
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125 -- publish on unacked smacks message |
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126 local function process_new_stanza(stanza, session) |
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127 if getmetatable(stanza) ~= st.stanza_mt then |
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128 return stanza; -- Things we don't want to touch |
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129 end |
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130 if stanza.name == "message" and stanza.attr.xmlns == nil and |
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131 ( stanza.attr.type == "chat" or ( stanza.attr.type or "normal" ) == "normal" ) and |
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132 -- not already notified via cloud |
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133 not stanza._notify then |
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134 stanza._notify = true; |
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135 session.log("debug", "Invoking cloud handle_notify_request for new smacks hibernated stanza..."); |
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136 handle_notify_request(session, stanza) |
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137 end |
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138 return stanza; |
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139 end |
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140 |
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141 -- smacks hibernation is started |
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142 local function hibernate_session(event) |
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143 local session = event.origin; |
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144 local queue = event.queue; |
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145 -- process already unacked stanzas |
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146 for i=1,#queue do |
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147 process_new_stanza(queue[i], session); |
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148 end |
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149 -- process future unacked (hibernated) stanzas |
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150 filters.add_filter(session, "stanzas/out", process_new_stanza); |
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151 end |
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152 |
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153 -- smacks hibernation is ended |
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154 local function restore_session(event) |
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155 local session = event.origin; |
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156 filters.remove_filter(session, "stanzas/out", process_new_stanza); |
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157 end |
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158 |
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159 module:hook("smacks-hibernation-start", hibernate_session); |
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160 module:hook("smacks-hibernation-end", restore_session); |
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161 |
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162 |
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163 module:hook("message/offline/broadcast", function(event) |
1784
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164 local user_push_services = push_enabled[event.origin.username]; |
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165 if not user_push_services then return end |
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|
166 |
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|
167 for _, push_info in pairs(user_push_services) do |
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168 if push_info then |
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169 push_info.count = 0; |
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170 end |
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171 end |
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172 end, 1); |