annotate mod_web_push/mod_web_push.lua @ 3618:f781a90018f4

mod_log_events_by_memory: Add link to post explaining different kinds of memory leaks
author Kim Alvefur <zash@zash.se>
date Thu, 13 Jun 2019 00:25:12 +0200
parents 2cee9fcb318b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- XEP-XXXX: Web Push (aka: My mobile OS vendor won't let me have persistent TCP connections, take two)
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2 -- Copyright (C) 2019 Maxime “pep” Buquet
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3 --
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4 -- Heavily based on mod_cloud_notify.
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5 -- Copyright (C) 2015-2016 Kim Alvefur
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6 -- Copyright (C) 2017-2018 Thilo Molitor
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7
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8
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9 local st = require"util.stanza";
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10 local dataform = require "util.dataforms";
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11 local http = require "net.http";
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12
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13 local os_time = os.time;
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14 local next = next;
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15 local jid = require"util.jid";
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16 local filters = require"util.filters";
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17
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18 local xmlns_webpush = "urn:xmpp:webpush:0";
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19
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20 local max_push_devices = module:get_option_number("push_max_devices", 5);
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21 local dummy_body = module:get_option_string("push_notification_important_body", "New Message!");
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22
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23 local host_sessions = prosody.hosts[module.host].sessions;
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24
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25 -- TODO: Generate it at setup time. Obviously not to be used other than for
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26 -- testing purposes, or at all.
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27 -- ECDH keypair
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28 local server_pubkey = "MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEhxZpb8yIVc/2hNesGLGAxEakyYy0MqEetjgL7BIOm8ybhVKxapKqNXjXJ+NOO5/b0Z0UuBg/HynGnf0xKKNhBQ==";
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29 local server_privkey = "MHcCAQEEIPhZac9pQ8aVTx9a5JyRcqfk3nuQQUFy3PaDcSWleojzoAoGCCqGSM49AwEHoUQDQgAEhxZpb8yIVc/2hNesGLGAxEakyYy0MqEetjgL7BIOm8ybhVKxapKqNXjXJ+NOO5/b0Z0UuBg/HynGnf0xKKNhBQ==";
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30
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31 -- Advertize disco feature
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32 local function account_disco_info(event)
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33 local form = dataform.new {
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34 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/webpush#public-key" };
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35 { name = "webpush#public-key", value = server_pubkey };
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36 };
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37 (event.reply or event.stanza):tag("feature", {var=xmlns_webpush}):up()
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38 :add_child(form:form({}, "result"));
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39 end
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40 module:hook("account-disco-info", account_disco_info);
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41
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42 -- ordered table iterator, allow to iterate on the natural order of the keys of a table,
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43 -- see http://lua-users.org/wiki/SortedIteration
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44 local function __genOrderedIndex( t )
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45 local orderedIndex = {}
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46 for key in pairs(t) do
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47 table.insert( orderedIndex, key )
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48 end
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49 -- sort in reverse order (newest one first)
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50 table.sort( orderedIndex, function(a, b)
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51 if a == nil or t[a] == nil or b == nil or t[b] == nil then return false end
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52 -- only one timestamp given, this is the newer one
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53 if t[a].timestamp ~= nil and t[b].timestamp == nil then return true end
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54 if t[a].timestamp == nil and t[b].timestamp ~= nil then return false end
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55 -- both timestamps given, sort normally
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56 if t[a].timestamp ~= nil and t[b].timestamp ~= nil then return t[a].timestamp > t[b].timestamp end
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57 return false -- normally not reached
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58 end)
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59 return orderedIndex
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60 end
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61 local function orderedNext(t, state)
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62 -- Equivalent of the next function, but returns the keys in timestamp
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63 -- order. We use a temporary ordered key table that is stored in the
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64 -- table being iterated.
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65
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66 local key = nil
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67 --print("orderedNext: state = "..tostring(state) )
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68 if state == nil then
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69 -- the first time, generate the index
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70 t.__orderedIndex = __genOrderedIndex( t )
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71 key = t.__orderedIndex[1]
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72 else
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73 -- fetch the next value
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74 for i = 1, #t.__orderedIndex do
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75 if t.__orderedIndex[i] == state then
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76 key = t.__orderedIndex[i+1]
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77 end
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78 end
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79 end
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80
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81 if key then
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82 return key, t[key]
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83 end
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84
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85 -- no more value to return, cleanup
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86 t.__orderedIndex = nil
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87 return
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88 end
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89 local function orderedPairs(t)
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90 -- Equivalent of the pairs() function on tables. Allows to iterate
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91 -- in order
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92 return orderedNext, t, nil
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93 end
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94
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95 -- small helper function to return new table with only "maximum" elements containing only the newest entries
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96 local function reduce_table(table, maximum)
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97 local count = 0;
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98 local result = {};
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99 for key, value in orderedPairs(table) do
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100 count = count + 1;
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101 if count > maximum then break end
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102 result[key] = value;
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103 end
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104 return result;
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105 end
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106
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107 local push_store = (function()
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108 local store = module:open_store();
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109 local push_services = {};
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110 local api = {};
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111 function api:get(user)
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112 if not push_services[user] then
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113 local err;
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114 push_services[user], err = store:get(user);
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115 if not push_services[user] and err then
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116 module:log("warn", "Error reading web push notification storage for user '%s': %s", user, tostring(err));
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117 push_services[user] = {};
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118 return push_services[user], false;
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119 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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120 end
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121 if not push_services[user] then push_services[user] = {} end
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122 return push_services[user], true;
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123 end
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124 function api:set(user, data)
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125 push_services[user] = reduce_table(data, max_push_devices);
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126 local ok, err = store:set(user, push_services[user]);
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127 if not ok then
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128 module:log("error", "Error writing web push notification storage for user '%s': %s", user, tostring(err));
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129 return false;
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130 end
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131 return true;
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132 end
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133 function api:set_identifier(user, push_identifier, data)
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134 local services = self:get(user);
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135 services[push_identifier] = data;
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136 return self:set(user, services);
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137 end
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138 return api;
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139 end)();
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140
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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141 local function push_enable(event)
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142 local origin, stanza = event.origin, event.stanza;
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143 local enable = stanza.tags[1];
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144 origin.log("debug", "Attempting to enable web push notifications");
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145 -- MUST contain a 'href' attribute of the XMPP Push Service being enabled
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146 local push_endpoint = nil;
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147 local push_auth = nil;
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148 local push_p256dh = nil;
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149
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150 local endpoint_tag = enable:get_child('endpoint');
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151 if endpoint_tag ~= nil then
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152 push_endpoint = endpoint_tag:get_text();
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153 end
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154 local auth_tag = enable:get_child('auth');
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155 if auth_tag ~= nil then
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156 push_auth = auth_tag:get_text();
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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157 end
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158 local p256dh_tag = enable:get_child('p256dh');
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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159 if p256dh_tag ~= nil then
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160 push_p256dh = p256dh_tag:get_text();
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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161 end
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162 if not push_endpoint or not push_auth or not push_p256dh then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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163 origin.log("debug", "Web Push notification enable request missing 'endpoint', 'auth', or 'p256dh' tags");
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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164 origin.send(st.error_reply(stanza, "modify", "bad-request", "Missing enable child tag"));
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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165 return true;
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166 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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167 local push_identifier = "foo";
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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168 local push_service = push_endpoint;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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169 local ok = push_store:set_identifier(origin.username, push_identifier, push_service);
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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170 if not ok then
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171 origin.send(st.error_reply(stanza, "wait", "internal-server-error"));
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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172 else
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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173 origin.push_identifier = push_identifier;
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174 origin.push_settings = push_service;
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175 origin.log("info", "Web Push notifications enabled for %s (%s)", tostring(stanza.attr.from), tostring(origin.push_identifier));
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176 origin.send(st.reply(stanza));
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177 end
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178 return true;
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179 end
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180 module:hook("iq-set/self/"..xmlns_webpush..":enable", push_enable);
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181
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182 -- module:hook("iq-set/self/"..xmlns_webpush..":disable", push_disable);
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183
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184 -- small helper function to extract relevant push settings
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185 local function get_push_settings(stanza, session)
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186 local to = stanza.attr.to;
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187 local node = to and jid.split(to) or session.username;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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188 local user_push_services = push_store:get(node);
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189 return node, user_push_services;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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190 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
191
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
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diff changeset
192 local function log_http_req(response_body, response_code, response)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
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193 module:log("debug", "FOO: response_body: %s; response_code: %s; response: %s", response_body, tostring(response_code), tostring(response));
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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parents:
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194 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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195
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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diff changeset
196 local function handle_notify_request(stanza, node, user_push_services, log_push_decline)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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197 local pushes = 0;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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198 if not user_push_services or next(user_push_services) == nil then return pushes end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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199
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
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diff changeset
200 for push_identifier, push_info in pairs(user_push_services) do
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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parents:
diff changeset
201 local send_push = true; -- only send push to this node when not already done for this stanza or if no stanza is given at all
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
202 if stanza then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
203 if not stanza._push_notify then stanza._push_notify = {}; end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
204 if stanza._push_notify[push_identifier] then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
205 if log_push_decline then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
206 module:log("debug", "Already sent push notification for %s@%s to %s", node, module.host, tostring(push_info));
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
207 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
208 send_push = false;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
209 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
210 stanza._push_notify[push_identifier] = true;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
211 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
212
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
213 if send_push then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
214 local headers = { TTL = "60" };
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
215 http.request(push_info, { method = "POST", headers = headers }, log_http_req);
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
216 pushes = pushes + 1;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
217 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
218 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
219 return pushes;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
220 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
221
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
222 -- publish on offline message
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
223 module:hook("message/offline/handle", function(event)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
224 local node, user_push_services = get_push_settings(event.stanza, event.origin);
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
225 module:log("debug", "Invoking web push handle_notify_request() for offline stanza");
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
226 handle_notify_request(event.stanza, node, user_push_services, true);
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
227 end, 1);
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
228
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
229 -- is this push a high priority one (this is needed for ios apps not using voip pushes)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
230 local function is_important(stanza)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
231 local st_name = stanza and stanza.name or nil;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
232 if not st_name then return false; end -- nonzas are never important here
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
233 if st_name == "presence" then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
234 return false; -- same for presences
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
235 elseif st_name == "message" then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
236 -- unpack carbon copies
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
237 local stanza_direction = "in";
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diff changeset
238 local carbon;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
239 local st_type;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
240 -- support carbon copied message stanzas having an arbitrary message-namespace or no message-namespace at all
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
241 if not carbon then carbon = find(stanza, "{urn:xmpp:carbons:2}/forwarded/message"); end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
242 if not carbon then carbon = find(stanza, "{urn:xmpp:carbons:1}/forwarded/message"); end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
243 stanza_direction = carbon and stanza:child_with_name("sent") and "out" or "in";
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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parents:
diff changeset
244 if carbon then stanza = carbon; end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
245 st_type = stanza.attr.type;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
246
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
247 -- headline message are always not important
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
248 if st_type == "headline" then return false; end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
249
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
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diff changeset
250 -- carbon copied outgoing messages are not important
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
251 if carbon and stanza_direction == "out" then return false; end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
252
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
253 -- We can't check for body contents in encrypted messages, so let's treat them as important
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
254 -- Some clients don't even set a body or an empty body for encrypted messages
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
255
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
256 -- check omemo https://xmpp.org/extensions/inbox/omemo.html
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
257 if stanza:get_child("encrypted", "eu.siacs.conversations.axolotl") or stanza:get_child("encrypted", "urn:xmpp:omemo:0") then return true; end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
258
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
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diff changeset
259 -- check xep27 pgp https://xmpp.org/extensions/xep-0027.html
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
260 if stanza:get_child("x", "jabber:x:encrypted") then return true; end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
261
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
262 -- check xep373 pgp (OX) https://xmpp.org/extensions/xep-0373.html
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
263 if stanza:get_child("openpgp", "urn:xmpp:openpgp:0") then return true; end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
264
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
265 local body = stanza:get_child_text("body");
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
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diff changeset
266 if st_type == "groupchat" and stanza:get_child_text("subject") then return false; end -- groupchat subjects are not important here
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
267 return body ~= nil and body ~= ""; -- empty bodies are not important
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
268 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
269 return false; -- this stanza wasn't one of the above cases --> it is not important, too
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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270 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
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diff changeset
271
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
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272 -- publish on unacked smacks message
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
273 local function process_smacks_stanza(stanza, session)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
274 if session.push_identifier then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
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diff changeset
275 session.log("debug", "Invoking web push handle_notify_request() for smacks queued stanza");
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
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276 local user_push_services = {[session.push_identifier] = session.push_settings};
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
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277 local node = get_push_settings(stanza, session);
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
278 if handle_notify_request(stanza, node, user_push_services, true) ~= 0 then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
279 if session.hibernating and not session.first_hibernated_push then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
280 -- if important stanzas are treated differently (pushed with last-message-body field set to dummy string)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
281 -- and the message was important (e.g. had a last-message-body field) OR if we treat all pushes equally,
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
282 -- then record the time of first push in the session for the smack module which will extend its hibernation
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
283 -- timeout based on the value of session.first_hibernated_push
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
284 if not dummy_body or (dummy_body and is_important(stanza)) then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
285 session.first_hibernated_push = os_time();
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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parents:
diff changeset
286 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
287 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
288 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
289 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
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diff changeset
290 return stanza;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
291 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
292
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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parents:
diff changeset
293 local function process_smacks_queue(queue, session)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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diff changeset
294 if not session.push_identifier then return; end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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295 local user_push_services = {[session.push_identifier] = session.push_settings};
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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diff changeset
296 local notified = { unimportant = false; important = false }
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
297 for i=1, #queue do
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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298 local stanza = queue[i];
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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299 local node = get_push_settings(stanza, session);
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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diff changeset
300 local stanza_type = "unimportant"
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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diff changeset
301 if dummy_body and is_important(stanza) then stanza_type = "important"; end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
302 if not notified[stanza_type] then -- only notify if we didn't try to push for this stanza type already
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
303 -- session.log("debug", "Invoking cloud handle_notify_request() for smacks queued stanza: %d", i);
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
304 if handle_notify_request(stanza, node, user_push_services, false) ~= 0 then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
305 if session.hibernating and not session.first_hibernated_push then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
306 -- if important stanzas are treated differently (pushed with last-message-body field set to dummy string)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
307 -- and the message was important (e.g. had a last-message-body field) OR if we treat all pushes equally,
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
308 -- then record the time of first push in the session for the smack module which will extend its hibernation
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
309 -- timeout based on the value of session.first_hibernated_push
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
310 if not dummy_body or (dummy_body and is_important(stanza)) then
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
311 session.first_hibernated_push = os_time();
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
312 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
313 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
314 session.log("debug", "Web Push handle_notify_request() > 0, not notifying for other queued stanzas of type %s", stanza_type);
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
315 notified[stanza_type] = true
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
316 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
317 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
318 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
319 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
320
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
321 -- smacks hibernation is started
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
322 local function hibernate_session(event)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
323 local session = event.origin;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
324 local queue = event.queue;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
325 session.first_hibernated_push = nil;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
326 -- process unacked stanzas
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
327 process_smacks_queue(queue, session);
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
328 -- process future unacked (hibernated) stanzas
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
329 filters.add_filter(session, "stanzas/out", process_smacks_stanza, -990);
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
330 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
331
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
332 -- smacks hibernation is ended
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
333 local function restore_session(event)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
334 local session = event.resumed;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
335 if session then -- older smacks module versions send only the "intermediate" session in event.session and no session.resumed one
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
336 filters.remove_filter(session, "stanzas/out", process_smacks_stanza);
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
337 session.first_hibernated_push = nil;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
338 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
339 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
340
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
341 -- smacks ack is delayed
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
342 local function ack_delayed(event)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
343 local session = event.origin;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
344 local queue = event.queue;
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
345 -- process unacked stanzas (handle_notify_request() will only send push requests for new stanzas)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
346 process_smacks_queue(queue, session);
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
347 end
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
348
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
349 -- archive message added
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
350 local function archive_message_added(event)
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
351 -- event is: { origin = origin, stanza = stanza, for_user = store_user, id = id }
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
Maxime “pep” Buquet <pep@bouah.net>
parents:
diff changeset
352 -- only notify for new mam messages when at least one device is online
2cee9fcb318b Initial version of mod_web_push. WARNING: Do not use.
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353 if not event.for_user or not host_sessions[event.for_user] then return; end
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354 local stanza = event.stanza;
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355 local user_session = host_sessions[event.for_user].sessions;
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356 local to = stanza.attr.to;
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357 to = to and jid.split(to) or event.origin.username;
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358
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359 -- only notify if the stanza destination is the mam user we store it for
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360 if event.for_user == to then
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361 local user_push_services = push_store:get(to);
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362 if next(user_push_services) == nil then return end
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363
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364 -- only notify nodes with no active sessions (smacks is counted as active and handled separate)
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365 local notify_push_services = {};
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366 for identifier, push_info in pairs(user_push_services) do
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367 local identifier_found = nil;
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368 for _, session in pairs(user_session) do
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369 -- 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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370 if session.push_identifier == identifier then
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371 identifier_found = session;
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372 break;
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373 end
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374 end
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375 if identifier_found then
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376 identifier_found.log("debug", "Not web push notifying '%s' of new MAM stanza (session still alive)", identifier);
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377 else
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378 notify_push_services[identifier] = push_info;
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379 end
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380 end
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381
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382 handle_notify_request(event.stanza, to, notify_push_services, true);
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383 end
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384 end
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385
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386 module:hook("smacks-hibernation-start", hibernate_session);
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387 module:hook("smacks-hibernation-end", restore_session);
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388 module:hook("smacks-ack-delayed", ack_delayed);
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389 module:hook("archive-message-added", archive_message_added);
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390
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391 function module.command(arg)
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392 print("TODO: Generate server keypair")
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393 end
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394
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395 module:log("info", "Module loaded");
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396 function module.unload()
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397 if module.unhook then
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398 module:unhook("account-disco-info", account_disco_info);
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399 module:unhook("iq-set/self/"..xmlns_webpush..":enable", push_enable);
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400 -- module:unhook("iq-set/self/"..xmlns_webpush..":disable", push_disable);
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401 end
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402
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403 module:log("info", "Module unloaded");
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404 end