Mercurial > prosody-modules

annotate mod_cloud_notify/mod_cloud_notify.lua @ 1922:e170b11b60b8

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mod_cloud_notify: Save list of push services
author Kim Alvefur <zash@zash.se>
date Fri, 23 Oct 2015 15:50:13 +0200
parents c7389fe74de7
children b030e46ec640
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rev   line source
1783
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Kim Alvefur <zash@zash.se>
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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
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10 local xmlns_push = "urn:xmpp:push:0";
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11
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parents: 1908
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12 -- configuration
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13 local include_body = module:get_option("push_notification_with_body", true);
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14 local include_sender = module:get_option("push_notification_with_sender", true);
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15
1908
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parents: 1907
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16 -- For keeping state across reloads
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parents: 1907
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17 local push_enabled = module:shared("push-enabled-users");
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18
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19 -- http://xmpp.org/extensions/xep-0357.html#disco
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20 module:add_feature(xmlns_push);
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21
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22 -- http://xmpp.org/extensions/xep-0357.html#enabling
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23 module:hook("iq-set/self/"..xmlns_push..":enable", function (event)
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24 local origin, stanza = event.origin, event.stanza;
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25 -- MUST contain a 'jid' attribute of the XMPP Push Service being enabled
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26 local push_jid = stanza.tags[1].attr.jid;
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27 -- SHOULD contain a 'node' attribute
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28 local push_node = stanza.tags[1].attr.node;
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29 if not push_jid then
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30 origin.send(st.error_reply(stanza, "modify", "bad-request", "Missing jid"));
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31 return true;
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32 end
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33 local publish_options = stanza.tags[1].tags[1];
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34 if publish_options and ( publish_options.name ~= "x" or publish_options.attr.xmlns ~= "jabber:x:data" ) then
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35 origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid publish options"));
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36 return true;
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37 end
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38 local user_push_services = push_enabled[origin.username];
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39 if not user_push_services then
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40 user_push_services = {};
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41 push_enabled[origin.username] = user_push_services;
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42 end
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43 user_push_services[push_jid .. "<" .. (push_node or "")] = {
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44 jid = push_jid;
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45 node = push_node;
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46 count = 0;
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47 options = publish_options;
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48 };
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49 origin.send(st.reply(stanza));
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50 return true;
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51 end);
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52
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53 -- http://xmpp.org/extensions/xep-0357.html#disabling
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54 module:hook("iq-set/self/"..xmlns_push..":disable", function (event)
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55 local origin, stanza = event.origin, event.stanza;
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56 local push_jid = stanza.tags[1].attr.jid; -- MUST include a 'jid' attribute
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57 local push_node = stanza.tags[1].attr.node; -- A 'node' attribute MAY be included
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58 if not push_jid then
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59 origin.send(st.error_reply(stanza, "modify", "bad-request", "Missing jid"));
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60 return true;
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61 end
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62 local user_push_services = push_enabled[origin.username];
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63 for key, push_info in pairs(user_push_services) do
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64 if push_info.jid == push_jid and (not push_node or push_info.node == push_node) then
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65 user_push_services[key] = nil;
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66 end
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67 end
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68 origin.send(st.reply(stanza));
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69 return true;
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70 end);
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71
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72 local push_form = dataform {
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73 { name = "FORM_TYPE"; type = "hidden"; value = "urn:xmpp:push:summary"; };
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74 { name = "message-count"; type = "text-single"; };
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75 { name = "pending-subscription-count"; type = "text-single"; };
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76 { name = "last-message-sender"; type = "jid-single"; };
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77 { name = "last-message-body"; type = "text-single"; };
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78 };
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79
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80 -- http://xmpp.org/extensions/xep-0357.html#publishing
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81 module:hook("message/offline/handle", function(event)
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82 local origin, stanza = event.origin, event.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 = 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 local form_data = {
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95 ["message-count"] = tostring(push_info.count);
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96 };
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97 if include_sender then
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98 form_data["last-message-sender"] = stanza.attr.from;
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99 end
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100 if include_body then
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101 form_data["last-message-body"] = stanza:get_child_text("body");
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102 end
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103 push_publish:add_child(push_form:form(form_data));
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104 push_publish:up(); -- / publish
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105 if push_info.options then
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106 push_publish:tag("publish-options"):add_child(push_info.options);
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107 end
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108 module:send(push_publish);
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109 end
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110 end, 1);
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111
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112 module:hook("message/offline/broadcast", function(event)
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113 local user_push_services = push_enabled[event.origin.username];
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114 if not user_push_services then return end
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115
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116 for _, push_info in pairs(user_push_services) do
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117 if push_info then
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118 push_info.count = 0;
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119 end
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120 end
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121 end, 1);