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annotate mod_cloud_notify/mod_cloud_notify.lua @ 2609:6ab46ff685d0

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mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error Daniel's business rules can be found here: https://mail.jabber.org/pipermail/standards/2016-February/030925.html All implementation changes are documented in depth in the file business_rules.markdown
author tmolitor <thilo@eightysoft.de>
date Sat, 11 Mar 2017 01:42:45 +0100
parents 2e641ab995b3
children 8c6562f16496
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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) 2015-2016 Kim Alvefur
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3 -- Copyright (C) 2017 Thilo Molitor
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4 --
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5 -- This file is MIT/X11 licensed.
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7 local st = require"util.stanza";
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8 local jid = require"util.jid";
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9 local dataform = require"util.dataforms".new;
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10 local filters = require "util.filters";
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12 local xmlns_push = "urn:xmpp:push:0";
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13
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14 -- configuration
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15 local include_body = module:get_option_boolean("push_notification_with_body", false);
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16 local include_sender = module:get_option_boolean("push_notification_with_sender", false);
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17 local max_push_errors = module:get_option_number("push_max_errors", 50);
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18
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19 local host_sessions = prosody.hosts[module.host].sessions;
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20 local push_errors = {};
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21
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22 -- For keeping state across reloads while caching reads
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23 local push_store = (function()
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24 local store = module:open_store();
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25 local push_services = {};
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26 local api = {};
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27 function api:get(user)
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28 if not push_services[user] then
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29 local err;
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30 push_services[user], err = store:get(user);
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31 if not push_services[user] and err then
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32 module:log("warn", "Error reading push notification storage for user '%s': %s", user, tostring(err));
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33 push_services[user] = {};
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34 return push_services[user], false;
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35 end
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36 end
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37 if not push_services[user] then push_services[user] = {} end
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38 return push_services[user], true;
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39 end
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40 function api:set(user, data)
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41 push_services[user] = data;
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42 local ok, err = store:set(user, push_services[user]);
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43 if not ok then
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44 module:log("error", "Error writing push notification storage for user '%s': %s", user, tostring(err));
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45 return false;
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46 end
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47 return true;
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48 end
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49 function api:set_identifier(user, push_identifier, data)
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50 local services = self:get(user);
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51 services[push_identifier] = data;
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52 return self:set(user, services);
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53 end
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54 return api;
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55 end)();
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56
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57 local function handle_push_error(event)
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58 local stanza = event.stanza;
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59 local error_type, condition = stanza:get_error();
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60 local push_identifier = stanza.attr.id;
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61 local node = jid.split(stanza.attr.to);
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62 local from = stanza.attr.from;
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63 local user_push_services = push_store:get(node);
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64
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65 if user_push_services[push_identifier] and user_push_services[push_identifier].jid == from and error_type ~= "wait" then
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66 push_errors[push_identifier] = push_errors[push_identifier] + 1;
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67 module:log("info", "Got error of type '%s' (%s) for identifier '%s':"
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68 .."error count for this identifier is now at %s", error_type, condition, push_identifier,
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69 tostring(push_errors[push_identifier]));
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70 if push_errors[push_identifier] >= max_push_errors then
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71 module:log("warn", "Disabling push notifications for identifier '%s'", push_identifier);
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72 -- remove push settings from sessions
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73 for _, session in pairs(host_sessions[node].sessions) do
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74 if session.push_identifier == push_identifier then
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75 session.push_identifier = nil;
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76 session.push_settings = nil;
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77 end
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78 end
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79 -- save changed global config
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80 push_store:set_identifier(node, push_identifier, nil);
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81 push_errors[push_identifier] = nil;
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82 -- unhook iq handlers for this identifier
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83 module:unhook("iq-error/bare/"..push_identifier, handle_push_error);
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84 module:unhook("iq-result/bare/"..push_identifier, handle_push_success);
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85 end
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86 end
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87 return true;
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88 end
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89
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90 local function handle_push_success(event)
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91 local stanza = event.stanza;
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92 local push_identifier = stanza.attr.id;
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93 local node = jid.split(stanza.attr.to);
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94 local from = stanza.attr.from;
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95 local user_push_services = push_store:get(node);
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96
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97 if user_push_services[push_identifier] and user_push_services[push_identifier].jid == from and push_errors[push_identifier] then
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98 push_errors[push_identifier] = 0;
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99 module:log("debug", "Push succeeded, error count for identifier '%s' is now at %s", push_identifier, tostring(push_errors[push_identifier]));
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100 end
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101 return true;
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102 end
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103
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104 -- http://xmpp.org/extensions/xep-0357.html#disco
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105 local function account_dico_info(event)
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106 (event.reply or event.stanza):tag("feature", {var=xmlns_push}):up();
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107 end
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108 module:hook("account-disco-info", account_dico_info);
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109
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110 -- http://xmpp.org/extensions/xep-0357.html#enabling
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111 local function push_enable(event)
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112 local origin, stanza = event.origin, event.stanza;
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113 local enable = stanza.tags[1];
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114 origin.log("debug", "Attempting to enable push notifications");
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115 -- MUST contain a 'jid' attribute of the XMPP Push Service being enabled
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116 local push_jid = enable.attr.jid;
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117 -- SHOULD contain a 'node' attribute
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118 local push_node = enable.attr.node;
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119 if not push_jid then
2257
f84b51f9aa82 mod_cloud_notify: Log message when 'jid' is missing from enable request
Kim Alvefur <zash@zash.se>
parents: 2255
diff changeset
120 origin.log("debug", "Push notification enable request missing the 'jid' field");
1907
7fe7bd7b33b6 mod_cloud_notify: Allow the 'node' to be left out when disabling, clients MAY include it (and therefore leave it out)
Kim Alvefur <zash@zash.se>
parents: 1784
diff changeset
121 origin.send(st.error_reply(stanza, "modify", "bad-request", "Missing jid"));
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
122 return true;
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
123 end
2255
cdfc917a8cc7 mod_cloud_notify: Retrieve data form by name and namespace so unknown elements are ignored
Kim Alvefur <zash@zash.se>
parents: 2254
diff changeset
124 local publish_options = enable:get_child("x", "jabber:x:data");
2258
3abc51faf945 mod_cloud_notify: Log message if no dataform is found
Kim Alvefur <zash@zash.se>
parents: 2257
diff changeset
125 if not publish_options then
3abc51faf945 mod_cloud_notify: Log message if no dataform is found
Kim Alvefur <zash@zash.se>
parents: 2257
diff changeset
126 -- Could be intentional
3abc51faf945 mod_cloud_notify: Log message if no dataform is found
Kim Alvefur <zash@zash.se>
parents: 2257
diff changeset
127 origin.log("debug", "No publish options in request");
3abc51faf945 mod_cloud_notify: Log message if no dataform is found
Kim Alvefur <zash@zash.se>
parents: 2257
diff changeset
128 end
2609
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diff changeset
129 local push_identifier = push_jid .. "<" .. (push_node or "");
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parents: 2395
diff changeset
130 local push_service = {
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
131 jid = push_jid;
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
132 node = push_node;
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
133 count = 0;
2253
97ebd28a8a75 mod_cloud_notify: Apply pre-serialization to publish-options
Kim Alvefur <zash@zash.se>
parents: 2252
diff changeset
134 options = publish_options and st.preserialize(publish_options);
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
135 };
2609
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parents: 2395
diff changeset
136 local ok = push_store:set_identifier(origin.username, push_identifier, push_service);
2201
eb5555a3a535 mod_cloud_notify: Enable persistent storage of user notification settings
Kim Alvefur <zash@zash.se>
parents: 2200
diff changeset
137 if not ok then
eb5555a3a535 mod_cloud_notify: Enable persistent storage of user notification settings
Kim Alvefur <zash@zash.se>
parents: 2200
diff changeset
138 origin.send(st.error_reply(stanza, "wait", "internal-server-error"));
eb5555a3a535 mod_cloud_notify: Enable persistent storage of user notification settings
Kim Alvefur <zash@zash.se>
parents: 2200
diff changeset
139 else
2609
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parents: 2395
diff changeset
140 origin.push_identifier = push_identifier;
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parents: 2395
diff changeset
141 origin.push_settings = push_service;
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diff changeset
142 origin.log("info", "Push notifications enabled (%s)", tostring(origin.push_identifier));
2201
eb5555a3a535 mod_cloud_notify: Enable persistent storage of user notification settings
Kim Alvefur <zash@zash.se>
parents: 2200
diff changeset
143 origin.send(st.reply(stanza));
eb5555a3a535 mod_cloud_notify: Enable persistent storage of user notification settings
Kim Alvefur <zash@zash.se>
parents: 2200
diff changeset
144 end
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 return true;
2609
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parents: 2395
diff changeset
146 end
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diff changeset
147 module:hook("iq-set/self/"..xmlns_push..":enable", push_enable);
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148
1907
7fe7bd7b33b6 mod_cloud_notify: Allow the 'node' to be left out when disabling, clients MAY include it (and therefore leave it out)
Kim Alvefur <zash@zash.se>
parents: 1784
diff changeset
149 -- http://xmpp.org/extensions/xep-0357.html#disabling
2609
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diff changeset
150 local function push_disable(event)
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 local origin, stanza = event.origin, event.stanza;
1907
7fe7bd7b33b6 mod_cloud_notify: Allow the 'node' to be left out when disabling, clients MAY include it (and therefore leave it out)
Kim Alvefur <zash@zash.se>
parents: 1784
diff changeset
152 local push_jid = stanza.tags[1].attr.jid; -- MUST include a 'jid' attribute
7fe7bd7b33b6 mod_cloud_notify: Allow the 'node' to be left out when disabling, clients MAY include it (and therefore leave it out)
Kim Alvefur <zash@zash.se>
parents: 1784
diff changeset
153 local push_node = stanza.tags[1].attr.node; -- A 'node' attribute MAY be included
7fe7bd7b33b6 mod_cloud_notify: Allow the 'node' to be left out when disabling, clients MAY include it (and therefore leave it out)
Kim Alvefur <zash@zash.se>
parents: 1784
diff changeset
154 if not push_jid then
7fe7bd7b33b6 mod_cloud_notify: Allow the 'node' to be left out when disabling, clients MAY include it (and therefore leave it out)
Kim Alvefur <zash@zash.se>
parents: 1784
diff changeset
155 origin.send(st.error_reply(stanza, "modify", "bad-request", "Missing jid"));
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156 return true;
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 end
2609
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parents: 2395
diff changeset
158 local user_push_services = push_store:get(origin.username);
1907
7fe7bd7b33b6 mod_cloud_notify: Allow the 'node' to be left out when disabling, clients MAY include it (and therefore leave it out)
Kim Alvefur <zash@zash.se>
parents: 1784
diff changeset
159 for key, push_info in pairs(user_push_services) do
7fe7bd7b33b6 mod_cloud_notify: Allow the 'node' to be left out when disabling, clients MAY include it (and therefore leave it out)
Kim Alvefur <zash@zash.se>
parents: 1784
diff changeset
160 if push_info.jid == push_jid and (not push_node or push_info.node == push_node) then
2609
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parents: 2395
diff changeset
161 origin.log("info", "Push notifications disabled (%s)", tostring(key));
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
162 if origin.push_identifier == key then
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
163 origin.push_identifier = nil;
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
164 origin.push_settings = nil;
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tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
165 end
1907
7fe7bd7b33b6 mod_cloud_notify: Allow the 'node' to be left out when disabling, clients MAY include it (and therefore leave it out)
Kim Alvefur <zash@zash.se>
parents: 1784
diff changeset
166 user_push_services[key] = nil;
2609
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parents: 2395
diff changeset
167 push_errors[key] = nil;
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parents: 2395
diff changeset
168 module:unhook("iq-error/bare/"..key, handle_push_error);
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parents: 2395
diff changeset
169 module:unhook("iq-result/bare/"..key, handle_push_success);
1907
7fe7bd7b33b6 mod_cloud_notify: Allow the 'node' to be left out when disabling, clients MAY include it (and therefore leave it out)
Kim Alvefur <zash@zash.se>
parents: 1784
diff changeset
170 end
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
171 end
2609
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diff changeset
172 local ok = push_store:set(origin.username, user_push_services);
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
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parents: 2395
diff changeset
173 if not ok then
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
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parents: 2395
diff changeset
174 origin.send(st.error_reply(stanza, "wait", "internal-server-error"));
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
175 else
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
176 origin.send(st.reply(stanza));
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
177 end
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
178 return true;
2609
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parents: 2395
diff changeset
179 end
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
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parents: 2395
diff changeset
180 module:hook("iq-set/self/"..xmlns_push..":disable", push_disable);
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
181
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 local push_form = dataform {
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
183 { name = "FORM_TYPE"; type = "hidden"; value = "urn:xmpp:push:summary"; };
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 { name = "message-count"; type = "text-single"; };
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
185 { name = "pending-subscription-count"; type = "text-single"; };
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
186 { name = "last-message-sender"; type = "jid-single"; };
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
187 { name = "last-message-body"; type = "text-single"; };
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188 };
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189
1907
7fe7bd7b33b6 mod_cloud_notify: Allow the 'node' to be left out when disabling, clients MAY include it (and therefore leave it out)
Kim Alvefur <zash@zash.se>
parents: 1784
diff changeset
190 -- http://xmpp.org/extensions/xep-0357.html#publishing
2609
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parents: 2395
diff changeset
191 local function handle_notify_request(stanza, node, user_push_services)
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
192 if not user_push_services or not #user_push_services then return end
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
193
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
194 if stanza and stanza._notify then
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
195 module:log("debug", "Already sent push notification to %s@%s for this stanza, not doing it again", node, module.host);
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
196 return;
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tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
197 end
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
198 if stanza then
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
199 stanza._notify = true;
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
200 end
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
201
2609
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parents: 2395
diff changeset
202 for push_identifier, push_info in pairs(user_push_services) do
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
203 -- increment count and save it
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
204 push_info.count = push_info.count + 1;
2609
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
205 push_store:set_identifier(node, push_identifier, push_info);
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
206 -- construct push stanza
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
207 local push_publish = st.iq({ to = push_info.jid, from = node .. "@" .. module.host, type = "set", id = push_identifier })
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
208 :tag("pubsub", { xmlns = "http://jabber.org/protocol/pubsub" })
2609
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
209 :tag("publish", { node = push_info.node })
2051
cb0fc00a7086 mod_cloud_notify: Fix syntax error
Kim Alvefur <zash@zash.se>
parents: 2050
diff changeset
210 :tag("item")
2050
49cc6a555dc7 mod_cloud_notify: Wrap form in namespaced element per the XEP (fixes #630)
Kim Alvefur <zash@zash.se>
parents: 2046
diff changeset
211 :tag("notification", { xmlns = xmlns_push });
1909
c7389fe74de7 mod_cloud_notify: Make inclusion of message sender and body optional via config option
Kim Alvefur <zash@zash.se>
parents: 1908
diff changeset
212 local form_data = {
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
213 ["message-count"] = tostring(push_info.count);
1909
c7389fe74de7 mod_cloud_notify: Make inclusion of message sender and body optional via config option
Kim Alvefur <zash@zash.se>
parents: 1908
diff changeset
214 };
2609
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
215 if stanza and include_sender then
1909
c7389fe74de7 mod_cloud_notify: Make inclusion of message sender and body optional via config option
Kim Alvefur <zash@zash.se>
parents: 1908
diff changeset
216 form_data["last-message-sender"] = stanza.attr.from;
c7389fe74de7 mod_cloud_notify: Make inclusion of message sender and body optional via config option
Kim Alvefur <zash@zash.se>
parents: 1908
diff changeset
217 end
2609
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
218 if stanza and include_body then
1909
c7389fe74de7 mod_cloud_notify: Make inclusion of message sender and body optional via config option
Kim Alvefur <zash@zash.se>
parents: 1908
diff changeset
219 form_data["last-message-body"] = stanza:get_child_text("body");
c7389fe74de7 mod_cloud_notify: Make inclusion of message sender and body optional via config option
Kim Alvefur <zash@zash.se>
parents: 1908
diff changeset
220 end
c7389fe74de7 mod_cloud_notify: Make inclusion of message sender and body optional via config option
Kim Alvefur <zash@zash.se>
parents: 1908
diff changeset
221 push_publish:add_child(push_form:form(form_data));
2050
49cc6a555dc7 mod_cloud_notify: Wrap form in namespaced element per the XEP (fixes #630)
Kim Alvefur <zash@zash.se>
parents: 2046
diff changeset
222 push_publish:up(); -- / notification
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223 push_publish:up(); -- / publish
2046
980e5f5bd62c mod_cloud_notify: put publish-options into <pubsub> not into <publish>
Daniel Gultsch <daniel@gultsch.de>
parents: 1924
diff changeset
224 push_publish:up(); -- / pubsub
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
225 if push_info.options then
2253
97ebd28a8a75 mod_cloud_notify: Apply pre-serialization to publish-options
Kim Alvefur <zash@zash.se>
parents: 2252
diff changeset
226 push_publish:tag("publish-options"):add_child(st.deserialize(push_info.options));
1783
b31fe2d22310 mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
227 end
2609
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tmolitor <thilo@eightysoft.de>
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diff changeset
228 -- send out push
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parents: 2395
diff changeset
229 module:log("debug", "Sending push notification for %s@%s to %s (%s)", node, module.host, push_info.jid, tostring(push_info.node));
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
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parents: 2395
diff changeset
230 -- handle push errors for this node
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
231 if push_errors[push_identifier] == nil then
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
232 push_errors[push_identifier] = 0;
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tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
233 module:hook("iq-error/bare/"..push_identifier, handle_push_error);
6ab46ff685d0 mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents: 2395
diff changeset
234 module:hook("iq-result/bare/"..push_identifier, handle_push_success);
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235 end
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236 module:send(push_publish);
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237 end
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238 end
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239
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240 -- small helper function to extract relevant push settings
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241 local function get_push_settings(stanza, session)
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242 local to = stanza.attr.to;
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243 local node = to and jid.split(to) or session.username;
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244 local user_push_services = push_store:get(node);
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245 return node, user_push_services;
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246 end
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247
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248 -- publish on offline message
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249 module:hook("message/offline/handle", function(event)
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250 local node, user_push_services = get_push_settings(event.stanza, event.origin);
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251 return handle_notify_request(event.stanza, node, user_push_services);
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252 end, 1);
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253
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254 -- publish on unacked smacks message
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255 local function process_smacks_stanza(stanza, session)
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256 if session.push_identifier then
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257 session.log("debug", "Invoking cloud handle_notify_request for smacks queued stanza...");
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258 local user_push_services = {[session.push_identifier] = session.push_settings};
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259 local node = get_push_settings(stanza, session);
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260 handle_notify_request(stanza, node, user_push_services);
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261 end
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262 return stanza;
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263 end
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264
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265 -- smacks hibernation is started
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266 local function hibernate_session(event)
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267 local session = event.origin;
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268 local queue = event.queue;
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269 -- process unacked stanzas
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270 for i=1,#queue do
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271 process_smacks_stanza(queue[i], session);
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272 end
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273 -- process future unacked (hibernated) stanzas
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274 filters.add_filter(session, "stanzas/out", process_smacks_stanza);
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275 end
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276
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277 -- smacks hibernation is ended
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278 local function restore_session(event)
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279 local session = event.resumed;
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280 if session then -- older smacks module versions send only the "intermediate" session in event.session and no session.resumed one
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281 filters.remove_filter(session, "stanzas/out", process_smacks_stanza);
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282 -- this means the counter of outstanding push messages can be reset as well
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283 if session.push_settings then
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284 session.push_settings.count = 0;
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285 push_store:set_identifier(session.username, session.push_identifier, session.push_settings);
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286 end
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287 end
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288 end
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289
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290 -- smacks ack is delayed
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291 local function ack_delayed(event)
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diff changeset
292 local session = event.origin;
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293 local queue = event.queue;
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294 -- process unacked stanzas (handle_notify_request() will only send push requests for new stanzas)
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295 for i=1,#queue do
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296 process_smacks_stanza(queue[i], session);
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297 end
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298 end
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299
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300 -- archive message added
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301 local function archive_message_added(event)
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302 -- event is: { origin = origin, stanza = stanza, for_user = store_user, id = id }
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303 -- only notify for new mam messages when at least one device is only
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304 if not event.for_user or not host_sessions[event.for_user] then return; end
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305 local stanza = event.stanza;
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306 local user_session = host_sessions[event.for_user].sessions;
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diff changeset
307 local to = stanza.attr.to;
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diff changeset
308 to = to and jid.split(to) or event.origin.username;
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diff changeset
309
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310 -- only notify if the stanza destination is the mam user we store it for
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diff changeset
311 if event.for_user == to then
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312 local user_push_services = push_store:get(to);
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diff changeset
313 if not #user_push_services then return end
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diff changeset
314
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315 -- only notify nodes with no active sessions (smacks is counted as active and handled separate)
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316 local notify_push_sevices = {};
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diff changeset
317 for identifier, push_info in pairs(user_push_services) do
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diff changeset
318 local identifier_found = nil;
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diff changeset
319 for _, session in pairs(user_session) do
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diff changeset
320 -- module:log("debug", "searching for '%s': identifier '%s' for session %s", tostring(identifier), tostring(session.push_identifier), tostring(session.full_jid));
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diff changeset
321 if session.push_identifier == identifier then
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diff changeset
322 identifier_found = session;
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diff changeset
323 break;
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324 end
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325 end
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326 if identifier_found then
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diff changeset
327 identifier_found.log("debug", "Not notifying '%s' of new MAM stanza (session still alive)", identifier);
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diff changeset
328 else
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diff changeset
329 notify_push_sevices[identifier] = push_info;
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330 end
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331 end
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diff changeset
332
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333 return handle_notify_request(event.stanza, to, notify_push_sevices);
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2e641ab995b3 mod_cloud_notify: added code to respond to the new event "smacks-ack-delayed" issued by mod_smacks when acks are delayed for a certain amount of time. This allows to send out notification requests before the read timeout or connection close event really happens, thus allowing conversations to be smoother.
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parents: 2263
diff changeset
334 end
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diff changeset
335 end
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diff changeset
336
2141
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diff changeset
337 module:hook("smacks-hibernation-start", hibernate_session);
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diff changeset
338 module:hook("smacks-hibernation-end", restore_session);
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diff changeset
339 module:hook("smacks-ack-delayed", ack_delayed);
2609
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diff changeset
340 module:hook("archive-message-added", archive_message_added);
2141
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diff changeset
341
2609
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diff changeset
342 local function send_ping(event)
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343 local user = event.user;
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344 local user_push_services = push_store:get(user);
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345 local push_services = event.push_services or user_push_services;
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diff changeset
346 return handle_notify_request(nil, user, push_services);
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347 end
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348 -- can be used by other modules to ping one or more (or all) push endpoints
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349 module:hook("cloud-notify-ping", send_ping);
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350
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351 -- TODO: this has to be done on first connect not on offline broadcast, else the counter will be incorrect
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352 -- TODO: it seems this is already done, so this could be safely removed, couldn't it?
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353 -- module:hook("message/offline/broadcast", function(event)
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354 -- local origin = event.origin;
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355 -- local user_push_services = push_store:get(origin.username);
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356 -- if not #user_push_services then return end
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357 --
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358 -- for _, push_info in pairs(user_push_services) do
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359 -- if push_info then
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360 -- push_info.count = 0;
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361 -- end
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362 -- end
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363 -- push_store:set(origin.username, user_push_services);
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364 -- end, 1);
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365
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366 function module.unload()
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367 module:unhook("account-disco-info", account_dico_info);
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368 module:unhook("iq-set/self/"..xmlns_push..":enable", push_enable);
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369 module:unhook("iq-set/self/"..xmlns_push..":disable", push_disable);
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370
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371 module:unhook("smacks-hibernation-start", hibernate_session);
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372 module:unhook("smacks-hibernation-end", restore_session);
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373 module:unhook("smacks-ack-delayed", ack_delayed);
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374 module:unhook("archive-message-added", archive_message_added);
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375 module:unhook("cloud-notify-ping", send_ping);
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376
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377 for push_identifier, _ in pairs(push_errors) do
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378 module:hook("iq-error/bare/"..push_identifier, handle_push_error);
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379 module:hook("iq-result/bare/"..push_identifier, handle_push_success);
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380 end
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381 end