Mercurial > prosody-modules
annotate mod_cloud_notify/mod_cloud_notify.lua @ 4138:e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
author | Seve Ferrer <seve@delape.net> |
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date | Sun, 20 Sep 2020 10:31:02 +0200 |
parents | 42682505e692 |
children | fa79d19d0fdd |
rev | line source |
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1 -- XEP-0357: Push (aka: My mobile OS vendor won't let me have persistent TCP connections) |
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2 -- Copyright (C) 2015-2016 Kim Alvefur |
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3 -- Copyright (C) 2017-2019 Thilo Molitor |
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4 -- |
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5 -- This file is MIT/X11 licensed. |
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6 |
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7 local t_insert = table.insert; |
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8 local s_match = string.match; |
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9 local s_sub = string.sub; |
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10 local os_time = os.time; |
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11 local next = next; |
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12 local st = require"util.stanza"; |
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13 local jid = require"util.jid"; |
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14 local dataform = require"util.dataforms".new; |
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15 local filters = require"util.filters"; |
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16 local hashes = require"util.hashes"; |
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17 local random = require"util.random"; |
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18 local cache = require"util.cache"; |
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19 |
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20 local xmlns_push = "urn:xmpp:push:0"; |
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21 |
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22 -- configuration |
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23 local include_body = module:get_option_boolean("push_notification_with_body", false); |
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24 local include_sender = module:get_option_boolean("push_notification_with_sender", false); |
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25 local max_push_errors = module:get_option_number("push_max_errors", 16); |
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26 local max_push_devices = module:get_option_number("push_max_devices", 5); |
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27 local dummy_body = module:get_option_string("push_notification_important_body", "New Message!"); |
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28 |
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29 local host_sessions = prosody.hosts[module.host].sessions; |
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30 local push_errors = {}; |
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31 local id2node = {}; |
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32 local id2identifier = {}; |
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33 |
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34 -- For keeping state across reloads while caching reads |
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35 -- This uses util.cache for caching the most recent devices and removing all old devices when max_push_devices is reached |
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36 local push_store = (function() |
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37 local store = module:open_store(); |
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38 local push_services = {}; |
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39 local api = {}; |
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40 function api:get(user) |
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41 if not push_services[user] then |
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42 local loaded, err = store:get(user); |
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43 if not loaded and err then |
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44 module:log("warn", "Error reading push notification storage for user '%s': %s", user, tostring(err)); |
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45 push_services[user] = cache.new(max_push_devices):table(); |
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46 return push_services[user], false; |
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47 end |
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48 if loaded then |
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49 push_services[user] = cache.new(max_push_devices):table(); |
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50 -- copy over plain table loaded from disk into our cache |
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51 for k, v in pairs(loaded) do push_services[user][k] = v; end |
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52 else |
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53 push_services[user] = cache.new(max_push_devices):table(); |
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54 end |
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55 end |
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56 return push_services[user], true; |
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57 end |
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58 function api:flush_to_disk(user) |
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59 local plain_table = {}; |
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60 for k, v in pairs(push_services[user]) do plain_table[k] = v; end |
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61 local ok, err = store:set(user, plain_table); |
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62 if not ok then |
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63 module:log("error", "Error writing push notification storage for user '%s': %s", user, tostring(err)); |
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64 return false; |
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65 end |
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66 return true; |
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67 end |
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68 function api:set_identifier(user, push_identifier, data) |
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69 local services = self:get(user); |
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70 services[push_identifier] = data; |
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71 end |
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72 return api; |
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73 end)(); |
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74 |
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75 |
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76 -- Forward declarations, as both functions need to reference each other |
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77 local handle_push_success, handle_push_error; |
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78 |
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79 function handle_push_error(event) |
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80 local stanza = event.stanza; |
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81 local error_type, condition = stanza:get_error(); |
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82 local node = id2node[stanza.attr.id]; |
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83 local identifier = id2identifier[stanza.attr.id]; |
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84 if node == nil then return false; end -- unknown stanza? Ignore for now! |
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85 local from = stanza.attr.from; |
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86 local user_push_services = push_store:get(node); |
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87 local changed = false; |
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88 |
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89 for push_identifier, _ in pairs(user_push_services) do |
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90 if push_identifier == identifier then |
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91 if user_push_services[push_identifier] and user_push_services[push_identifier].jid == from and error_type ~= "wait" then |
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92 push_errors[push_identifier] = push_errors[push_identifier] + 1; |
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93 module:log("info", "Got error of type '%s' (%s) for identifier '%s': " |
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94 .."error count for this identifier is now at %s", error_type, condition, push_identifier, |
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95 tostring(push_errors[push_identifier])); |
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96 if push_errors[push_identifier] >= max_push_errors then |
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97 module:log("warn", "Disabling push notifications for identifier '%s'", push_identifier); |
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98 -- remove push settings from sessions |
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99 if host_sessions[node] then |
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100 for _, session in pairs(host_sessions[node].sessions) do |
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101 if session.push_identifier == push_identifier then |
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102 session.push_identifier = nil; |
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103 session.push_settings = nil; |
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104 session.first_hibernated_push = nil; |
2749
9756211fcbe3
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105 end |
2625
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|
106 end |
8c6562f16496
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|
107 end |
8c6562f16496
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changeset
|
108 -- save changed global config |
3085
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|
109 changed = true; |
1ea6861b533f
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|
110 user_push_services[push_identifier] = nil |
2625
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changeset
|
111 push_errors[push_identifier] = nil; |
2669
e6d243ed88ca
mod_cloud_notify: Fix module:unhook calls not available in prosody 0.9, fixes #874
tmolitor <thilo@eightysoft.de>
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diff
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|
112 -- unhook iq handlers for this identifier (if possible) |
3943
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113 module:unhook("iq-error/host/"..stanza.attr.id, handle_push_error); |
f5e6368a1c39
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|
114 module:unhook("iq-result/host/"..stanza.attr.id, handle_push_success); |
f5e6368a1c39
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|
115 id2node[stanza.attr.id] = nil; |
f5e6368a1c39
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|
116 id2identifier[stanza.attr.id] = nil; |
2609
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diff
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|
117 end |
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118 elseif user_push_services[push_identifier] and user_push_services[push_identifier].jid == from and error_type == "wait" then |
8c6562f16496
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119 module:log("debug", "Got error of type '%s' (%s) for identifier '%s': " |
8c6562f16496
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|
120 .."NOT increasing error count for this identifier", error_type, condition, push_identifier); |
2609
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121 end |
6ab46ff685d0
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122 end |
6ab46ff685d0
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123 end |
3085
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|
124 if changed then |
3943
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|
125 push_store:flush_to_disk(node); |
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126 end |
2609
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127 return true; |
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128 end |
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|
129 |
2642
0f1421af7f6a
mod_cloud_notify: Move declarations of handle_push_success/error to fix referencing undefined variables (introduced in 6ab46ff685d0)
Matthew Wild <mwild1@gmail.com>
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2625
diff
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|
130 function handle_push_success(event) |
2609
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131 local stanza = event.stanza; |
2791
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132 local node = id2node[stanza.attr.id]; |
3943
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133 local identifier = id2identifier[stanza.attr.id]; |
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134 if node == nil then return false; end -- unknown stanza? Ignore for now! |
2609
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135 local from = stanza.attr.from; |
6ab46ff685d0
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|
136 local user_push_services = push_store:get(node); |
2791
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mod_cloud_notify: Fix regression in error handling
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changeset
|
137 |
2625
8c6562f16496
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parents:
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diff
changeset
|
138 for push_identifier, _ in pairs(user_push_services) do |
3943
f5e6368a1c39
mod_cloud_notify: Cleanup code and drop support for prosody 0.9
tmolitor <thilo@eightysoft.de>
parents:
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diff
changeset
|
139 if push_identifier == identifier then |
2670
6e01878103c0
mod_smacks: Ignore user when writing or reading session_cache on prosody 0.9
tmolitor <thilo@eightysoft.de>
parents:
2669
diff
changeset
|
140 if user_push_services[push_identifier] and user_push_services[push_identifier].jid == from and push_errors[push_identifier] > 0 then |
2625
8c6562f16496
mod_cloud_notify: Fixed error in push deduplication
tmolitor <thilo@eightysoft.de>
parents:
2609
diff
changeset
|
141 push_errors[push_identifier] = 0; |
3619
74aa35aeb08a
mod_cloud_notify: only push once on csi queue flush in hibernated state, unhook response handlers
tmolitor <thilo@eightysoft.de>
parents:
3108
diff
changeset
|
142 -- unhook iq handlers for this identifier (if possible) |
3943
f5e6368a1c39
mod_cloud_notify: Cleanup code and drop support for prosody 0.9
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parents:
3940
diff
changeset
|
143 module:unhook("iq-error/host/"..stanza.attr.id, handle_push_error); |
f5e6368a1c39
mod_cloud_notify: Cleanup code and drop support for prosody 0.9
tmolitor <thilo@eightysoft.de>
parents:
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diff
changeset
|
144 module:unhook("iq-result/host/"..stanza.attr.id, handle_push_success); |
f5e6368a1c39
mod_cloud_notify: Cleanup code and drop support for prosody 0.9
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parents:
3940
diff
changeset
|
145 id2node[stanza.attr.id] = nil; |
f5e6368a1c39
mod_cloud_notify: Cleanup code and drop support for prosody 0.9
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parents:
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diff
changeset
|
146 id2identifier[stanza.attr.id] = nil; |
2736
fff185e7ab73
mod_cloud_notify: Implement the "stripped stanzas" proposal.
tmolitor <thilo@eightysoft.de>
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2714
diff
changeset
|
147 module:log("debug", "Push succeeded, error count for identifier '%s' is now at %s again", push_identifier, tostring(push_errors[push_identifier])); |
2625
8c6562f16496
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diff
changeset
|
148 end |
8c6562f16496
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parents:
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diff
changeset
|
149 end |
2609
6ab46ff685d0
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diff
changeset
|
150 end |
6ab46ff685d0
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|
151 return true; |
6ab46ff685d0
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diff
changeset
|
152 end |
1783
b31fe2d22310
mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
153 |
1908
eba279ddc050
mod_cloud_notify: Add some comments describing code blocks
Kim Alvefur <zash@zash.se>
parents:
1907
diff
changeset
|
154 -- http://xmpp.org/extensions/xep-0357.html#disco |
2609
6ab46ff685d0
mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
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parents:
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diff
changeset
|
155 local function account_dico_info(event) |
2200
e9e38ae8037f
mod_cloud_notify: Advertise feature on bare jid disco (thanks iNPUTmice)
Kim Alvefur <zash@zash.se>
parents:
2198
diff
changeset
|
156 (event.reply or event.stanza):tag("feature", {var=xmlns_push}):up(); |
2609
6ab46ff685d0
mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
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parents:
2395
diff
changeset
|
157 end |
6ab46ff685d0
mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
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parents:
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diff
changeset
|
158 module:hook("account-disco-info", account_dico_info); |
1783
b31fe2d22310
mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
159 |
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
|
160 -- http://xmpp.org/extensions/xep-0357.html#enabling |
2609
6ab46ff685d0
mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
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parents:
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diff
changeset
|
161 local function push_enable(event) |
1783
b31fe2d22310
mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
162 local origin, stanza = event.origin, event.stanza; |
2254
122cb5f4930f
mod_cloud_notify: Cache <enable> in local
Kim Alvefur <zash@zash.se>
parents:
2253
diff
changeset
|
163 local enable = stanza.tags[1]; |
2252
a96f2d0f8750
mod_cloud_notify: Add some logging when a client attempts to enable push notifications
Kim Alvefur <zash@zash.se>
parents:
2247
diff
changeset
|
164 origin.log("debug", "Attempting to enable push notifications"); |
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
|
165 -- MUST contain a 'jid' attribute of the XMPP Push Service being enabled |
2254
122cb5f4930f
mod_cloud_notify: Cache <enable> in local
Kim Alvefur <zash@zash.se>
parents:
2253
diff
changeset
|
166 local push_jid = enable.attr.jid; |
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
|
167 -- SHOULD contain a 'node' attribute |
2254
122cb5f4930f
mod_cloud_notify: Cache <enable> in local
Kim Alvefur <zash@zash.se>
parents:
2253
diff
changeset
|
168 local push_node = enable.attr.node; |
2736
fff185e7ab73
mod_cloud_notify: Implement the "stripped stanzas" proposal.
tmolitor <thilo@eightysoft.de>
parents:
2714
diff
changeset
|
169 -- CAN contain a 'include_payload' attribute |
fff185e7ab73
mod_cloud_notify: Implement the "stripped stanzas" proposal.
tmolitor <thilo@eightysoft.de>
parents:
2714
diff
changeset
|
170 local include_payload = enable.attr.include_payload; |
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
|
171 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
|
172 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
|
173 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
|
174 return true; |
b31fe2d22310
mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
175 end |
3996
42682505e692
mod_cloud_notify: Forbid user from registering their own JID as their push server
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
3979
diff
changeset
|
176 if push_jid == stanza.attr.from then |
42682505e692
mod_cloud_notify: Forbid user from registering their own JID as their push server
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
3979
diff
changeset
|
177 origin.log("debug", "Push notification enable request 'jid' field identical to our own"); |
42682505e692
mod_cloud_notify: Forbid user from registering their own JID as their push server
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
3979
diff
changeset
|
178 origin.send(st.error_reply(stanza, "modify", "bad-request", "JID must be different from ours")); |
42682505e692
mod_cloud_notify: Forbid user from registering their own JID as their push server
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
3979
diff
changeset
|
179 return true; |
42682505e692
mod_cloud_notify: Forbid user from registering their own JID as their push server
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
3979
diff
changeset
|
180 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
|
181 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
|
182 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
|
183 -- Could be intentional |
3abc51faf945
mod_cloud_notify: Log message if no dataform is found
Kim Alvefur <zash@zash.se>
parents:
2257
diff
changeset
|
184 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
|
185 end |
2609
6ab46ff685d0
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diff
changeset
|
186 local push_identifier = push_jid .. "<" .. (push_node or ""); |
6ab46ff685d0
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diff
changeset
|
187 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
|
188 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
|
189 node = push_node; |
2736
fff185e7ab73
mod_cloud_notify: Implement the "stripped stanzas" proposal.
tmolitor <thilo@eightysoft.de>
parents:
2714
diff
changeset
|
190 include_payload = include_payload; |
2253
97ebd28a8a75
mod_cloud_notify: Apply pre-serialization to publish-options
Kim Alvefur <zash@zash.se>
parents:
2252
diff
changeset
|
191 options = publish_options and st.preserialize(publish_options); |
3055
6abee021d9db
mod_cloud_notify: Limit number of devices to 5 and change some default settings
tmolitor <thilo@eightysoft.de>
parents:
3010
diff
changeset
|
192 timestamp = os_time(); |
1783
b31fe2d22310
mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
193 }; |
3943
f5e6368a1c39
mod_cloud_notify: Cleanup code and drop support for prosody 0.9
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3940
diff
changeset
|
194 push_store:set_identifier(origin.username, push_identifier, push_service); |
f5e6368a1c39
mod_cloud_notify: Cleanup code and drop support for prosody 0.9
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3940
diff
changeset
|
195 local ok = push_store:flush_to_disk(origin.username); |
2201
eb5555a3a535
mod_cloud_notify: Enable persistent storage of user notification settings
Kim Alvefur <zash@zash.se>
parents:
2200
diff
changeset
|
196 if not ok then |
eb5555a3a535
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Kim Alvefur <zash@zash.se>
parents:
2200
diff
changeset
|
197 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>
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2200
diff
changeset
|
198 else |
2609
6ab46ff685d0
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diff
changeset
|
199 origin.push_identifier = push_identifier; |
6ab46ff685d0
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2395
diff
changeset
|
200 origin.push_settings = push_service; |
3108
cfcb020bcd1d
mod_cloud_notify: inform mod_smacks of first push in hibernated state
tmolitor <thilo@eightysoft.de>
parents:
3085
diff
changeset
|
201 origin.first_hibernated_push = nil; |
2625
8c6562f16496
mod_cloud_notify: Fixed error in push deduplication
tmolitor <thilo@eightysoft.de>
parents:
2609
diff
changeset
|
202 origin.log("info", "Push notifications enabled for %s (%s)", tostring(stanza.attr.from), 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
|
203 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
|
204 end |
1783
b31fe2d22310
mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
205 return true; |
2609
6ab46ff685d0
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diff
changeset
|
206 end |
6ab46ff685d0
mod_cloud_notify: Respect Daniel's business rules and remove endpoints on error
tmolitor <thilo@eightysoft.de>
parents:
2395
diff
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207 module:hook("iq-set/self/"..xmlns_push..":enable", push_enable); |
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208 |
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209 -- http://xmpp.org/extensions/xep-0357.html#disabling |
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210 local function push_disable(event) |
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211 local origin, stanza = event.origin, event.stanza; |
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212 local push_jid = stanza.tags[1].attr.jid; -- MUST include a 'jid' attribute |
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213 local push_node = stanza.tags[1].attr.node; -- A 'node' attribute MAY be included |
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214 if not push_jid then |
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215 origin.send(st.error_reply(stanza, "modify", "bad-request", "Missing jid")); |
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216 return true; |
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217 end |
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218 local user_push_services = push_store:get(origin.username); |
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219 for key, push_info in pairs(user_push_services) do |
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220 if push_info.jid == push_jid and (not push_node or push_info.node == push_node) then |
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221 origin.log("info", "Push notifications disabled (%s)", tostring(key)); |
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222 if origin.push_identifier == key then |
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223 origin.push_identifier = nil; |
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224 origin.push_settings = nil; |
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225 origin.first_hibernated_push = nil; |
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226 end |
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227 user_push_services[key] = nil; |
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228 push_errors[key] = nil; |
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229 for stanza_id, identifier in pairs(id2identifier) do |
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230 if identifier == key then |
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231 module:unhook("iq-error/host/"..stanza_id, handle_push_error); |
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232 module:unhook("iq-result/host/"..stanza_id, handle_push_success); |
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233 id2node[stanza_id] = nil; |
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234 id2identifier[stanza_id] = nil; |
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235 end |
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236 end |
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237 end |
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238 end |
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239 local ok = push_store:flush_to_disk(origin.username); |
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240 if not ok then |
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241 origin.send(st.error_reply(stanza, "wait", "internal-server-error")); |
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242 else |
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243 origin.send(st.reply(stanza)); |
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244 end |
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245 return true; |
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246 end |
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247 module:hook("iq-set/self/"..xmlns_push..":disable", push_disable); |
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248 |
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249 -- is this push a high priority one (this is needed for ios apps not using voip pushes) |
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250 local function is_important(stanza) |
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251 local st_name = stanza and stanza.name or nil; |
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252 if not st_name then return false; end -- nonzas are never important here |
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253 if st_name == "presence" then |
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254 return false; -- same for presences |
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255 elseif st_name == "message" then |
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256 -- unpack carbon copies |
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257 local stanza_direction = "in"; |
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258 local carbon; |
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259 local st_type; |
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260 -- support carbon copied message stanzas having an arbitrary message-namespace or no message-namespace at all |
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261 if not carbon then carbon = stanza:find("{urn:xmpp:carbons:2}/{urn:xmpp:forward:0}/{jabber:client}message"); end |
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262 stanza_direction = carbon and stanza:child_with_name("sent") and "out" or "in"; |
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263 if carbon then stanza = carbon; end |
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264 st_type = stanza.attr.type; |
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265 |
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266 -- headline message are always not important |
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267 if st_type == "headline" then return false; end |
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268 |
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269 -- carbon copied outgoing messages are not important |
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270 if carbon and stanza_direction == "out" then return false; end |
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271 |
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272 -- We can't check for body contents in encrypted messages, so let's treat them as important |
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273 -- Some clients don't even set a body or an empty body for encrypted messages |
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274 |
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275 -- check omemo https://xmpp.org/extensions/inbox/omemo.html |
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276 if stanza:get_child("encrypted", "eu.siacs.conversations.axolotl") or stanza:get_child("encrypted", "urn:xmpp:omemo:0") then return true; end |
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277 |
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278 -- check xep27 pgp https://xmpp.org/extensions/xep-0027.html |
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279 if stanza:get_child("x", "jabber:x:encrypted") then return true; end |
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280 |
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281 -- check xep373 pgp (OX) https://xmpp.org/extensions/xep-0373.html |
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282 if stanza:get_child("openpgp", "urn:xmpp:openpgp:0") then return true; end |
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283 |
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284 local body = stanza:get_child_text("body"); |
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285 if st_type == "groupchat" and stanza:get_child_text("subject") then return false; end -- groupchat subjects are not important here |
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286 return body ~= nil and body ~= ""; -- empty bodies are not important |
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287 end |
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288 return false; -- this stanza wasn't one of the above cases --> it is not important, too |
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289 end |
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290 |
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291 local push_form = dataform { |
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292 { name = "FORM_TYPE"; type = "hidden"; value = "urn:xmpp:push:summary"; }; |
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293 { name = "message-count"; type = "text-single"; }; |
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294 { name = "pending-subscription-count"; type = "text-single"; }; |
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295 { name = "last-message-sender"; type = "jid-single"; }; |
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296 { name = "last-message-body"; type = "text-single"; }; |
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297 }; |
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298 |
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299 -- http://xmpp.org/extensions/xep-0357.html#publishing |
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300 local function handle_notify_request(stanza, node, user_push_services, log_push_decline) |
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301 local pushes = 0; |
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302 if not #user_push_services then return pushes end |
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303 |
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304 for push_identifier, push_info in pairs(user_push_services) do |
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305 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 |
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306 if stanza then |
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307 if not stanza._push_notify then stanza._push_notify = {}; end |
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308 if stanza._push_notify[push_identifier] then |
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309 if log_push_decline then |
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310 module:log("debug", "Already sent push notification for %s@%s to %s (%s)", node, module.host, push_info.jid, tostring(push_info.node)); |
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311 end |
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312 send_push = false; |
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313 end |
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314 stanza._push_notify[push_identifier] = true; |
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315 end |
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316 |
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317 if send_push then |
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318 -- construct push stanza |
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319 local stanza_id = hashes.sha256(random.bytes(8), true); |
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320 local push_publish = st.iq({ to = push_info.jid, from = module.host, type = "set", id = stanza_id }) |
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321 :tag("pubsub", { xmlns = "http://jabber.org/protocol/pubsub" }) |
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322 :tag("publish", { node = push_info.node }) |
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323 :tag("item") |
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324 :tag("notification", { xmlns = xmlns_push }); |
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325 local form_data = { |
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326 -- hardcode to 1 because other numbers are just meaningless (the XEP does not specify *what exactly* to count) |
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327 ["message-count"] = "1"; |
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328 }; |
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329 if stanza and include_sender then |
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330 form_data["last-message-sender"] = stanza.attr.from; |
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331 end |
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332 if stanza and include_body then |
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333 form_data["last-message-body"] = stanza:get_child_text("body"); |
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334 elseif stanza and dummy_body and is_important(stanza) then |
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335 form_data["last-message-body"] = tostring(dummy_body); |
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336 end |
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337 push_publish:add_child(push_form:form(form_data)); |
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338 push_publish:up(); -- / notification |
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339 push_publish:up(); -- / publish |
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340 push_publish:up(); -- / pubsub |
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341 if push_info.options then |
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342 push_publish:tag("publish-options"):add_child(st.deserialize(push_info.options)); |
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343 end |
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344 -- send out push |
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345 module:log("debug", "Sending%s push notification for %s@%s to %s (%s)", form_data["last-message-body"] and " important" or "", node, module.host, push_info.jid, tostring(push_info.node)); |
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346 -- module:log("debug", "PUSH STANZA: %s", tostring(push_publish)); |
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347 -- handle push errors for this node |
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348 if push_errors[push_identifier] == nil then |
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349 push_errors[push_identifier] = 0; |
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350 end |
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351 module:hook("iq-error/host/"..stanza_id, handle_push_error); |
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352 module:hook("iq-result/host/"..stanza_id, handle_push_success); |
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353 id2node[stanza_id] = node; |
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354 id2identifier[stanza_id] = push_identifier; |
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355 module:send(push_publish); |
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356 pushes = pushes + 1; |
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357 end |
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358 end |
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359 return pushes; |
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360 end |
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361 |
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362 -- small helper function to extract relevant push settings |
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363 local function get_push_settings(stanza, session) |
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364 local to = stanza.attr.to; |
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365 local node = to and jid.split(to) or session.username; |
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366 local user_push_services = push_store:get(node); |
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367 return node, user_push_services; |
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368 end |
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369 |
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370 -- publish on offline message |
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371 module:hook("message/offline/handle", function(event) |
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372 local node, user_push_services = get_push_settings(event.stanza, event.origin); |
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373 module:log("debug", "Invoking cloud handle_notify_request() for offline stanza"); |
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374 handle_notify_request(event.stanza, node, user_push_services, true); |
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375 end, 1); |
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376 |
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377 local function process_stanza_queue(queue, session, queue_type) |
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378 if not session.push_identifier then return; end |
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379 local user_push_services = {[session.push_identifier] = session.push_settings}; |
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380 local notified = { unimportant = false; important = false } |
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381 for i=1, #queue do |
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382 local stanza = queue[i]; |
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383 -- fast ignore of already pushed stanzas |
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384 if stanza and not (stanza._push_notify and stanza._push_notify[session.push_identifier]) then |
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385 local node = get_push_settings(stanza, session); |
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386 stanza_type = "unimportant" |
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387 if dummy_body and is_important(stanza) then stanza_type = "important"; end |
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388 if not notified[stanza_type] then -- only notify if we didn't try to push for this stanza type already |
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389 -- session.log("debug", "Invoking cloud handle_notify_request() for smacks queued stanza: %d", i); |
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390 if handle_notify_request(stanza, node, user_push_services, false) ~= 0 then |
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391 if session.hibernating and not session.first_hibernated_push then |
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392 -- if important stanzas are treated differently (pushed with last-message-body field set to dummy string) |
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393 -- if the message was important (e.g. had a last-message-body field) OR if we treat all pushes equally, |
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394 -- then record the time of first push in the session for the smack module which will extend its hibernation |
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395 -- timeout based on the value of session.first_hibernated_push |
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396 if not dummy_body or (dummy_body and is_important(stanza)) then |
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397 session.first_hibernated_push = os_time(); |
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398 end |
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399 end |
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400 session.log("debug", "Cloud handle_notify_request() > 0, not notifying for other %s queued stanzas of type %s", queue_type, stanza_type); |
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|
401 notified[stanza_type] = true |
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402 end |
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403 end |
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404 end |
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405 if notified.unimportant and notified.important then break; end -- stop processing the queue if all push types are exhausted |
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406 end |
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407 end |
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408 |
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409 -- publish on unacked smacks message (use timer to send out push for all stanzas submitted in a row only once) |
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410 local function process_smacks_stanza(stanza, session) |
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411 if session.push_identifier then |
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412 if not session.push_queue then session.push_queue = {}; end |
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413 local queue = session.push_queue; |
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|
414 queue[#queue+1] = st.clone(stanza); |
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415 if #queue == 1 then -- first stanza --> start timer |
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416 session.log("debug", "Invoking cloud handle_notify_request() for newly smacks queued stanza (in a moment)"); |
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417 session.awaiting_push_timer = module:add_timer(1e-06, function () |
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418 session.log("debug", "Invoking cloud handle_notify_request() for newly smacks queued stanzas (now in timer)"); |
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419 process_stanza_queue(session.push_queue, session, "push"); |
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420 session.push_queue = {}; -- clean up queue after push |
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421 end); |
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422 end |
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423 end |
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424 return stanza; |
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425 end |
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426 |
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427 -- smacks hibernation is started |
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428 local function hibernate_session(event) |
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429 local session = event.origin; |
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430 local queue = event.queue; |
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431 session.first_hibernated_push = nil; |
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432 -- process unacked stanzas |
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433 process_stanza_queue(queue, session, "smacks"); |
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434 -- process future unacked (hibernated) stanzas |
2736
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435 filters.add_filter(session, "stanzas/out", process_smacks_stanza, -990); |
2141
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436 end |
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437 |
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438 -- smacks hibernation is ended |
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439 local function restore_session(event) |
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440 local session = event.resumed; |
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441 if session then -- older smacks module versions send only the "intermediate" session in event.session and no session.resumed one |
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442 filters.remove_filter(session, "stanzas/out", process_smacks_stanza); |
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443 if session.awaiting_push_timer then session.awaiting_push_timer:stop(); end |
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444 session.first_hibernated_push = nil; |
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445 end |
2141
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446 end |
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447 |
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448 -- smacks ack is delayed |
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449 local function ack_delayed(event) |
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450 local session = event.origin; |
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451 local queue = event.queue; |
2609
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452 -- process unacked stanzas (handle_notify_request() will only send push requests for new stanzas) |
3619
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453 process_stanza_queue(queue, session, "smacks"); |
2609
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454 end |
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455 |
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456 -- archive message added |
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457 local function archive_message_added(event) |
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458 -- event is: { origin = origin, stanza = stanza, for_user = store_user, id = id } |
3055
6abee021d9db
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tmolitor <thilo@eightysoft.de>
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|
459 -- only notify for new mam messages when at least one device is online |
2609
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460 if not event.for_user or not host_sessions[event.for_user] then return; end |
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461 local stanza = event.stanza; |
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462 local user_session = host_sessions[event.for_user].sessions; |
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463 local to = stanza.attr.to; |
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464 to = to and jid.split(to) or event.origin.username; |
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|
465 |
2609
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466 -- only notify if the stanza destination is the mam user we store it for |
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467 if event.for_user == to then |
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468 local user_push_services = push_store:get(to); |
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|
469 |
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|
470 -- only notify nodes with no active sessions (smacks is counted as active and handled separate) |
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|
471 local notify_push_services = {}; |
2609
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|
472 for identifier, push_info in pairs(user_push_services) do |
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|
473 local identifier_found = nil; |
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|
474 for _, session in pairs(user_session) do |
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|
475 -- 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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|
476 if session.push_identifier == identifier then |
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|
477 identifier_found = session; |
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|
478 break; |
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|
479 end |
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|
480 end |
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|
481 if identifier_found then |
2714
75b137cf869a
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2712
diff
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|
482 identifier_found.log("debug", "Not cloud notifying '%s' of new MAM stanza (session still alive)", identifier); |
2609
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|
483 else |
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|
484 notify_push_services[identifier] = push_info; |
2609
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485 end |
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|
486 end |
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diff
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|
487 |
3108
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changeset
|
488 handle_notify_request(event.stanza, to, notify_push_services, true); |
2395
2e641ab995b3
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diff
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|
489 end |
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diff
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|
490 end |
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diff
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|
491 |
2141
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|
492 module:hook("smacks-hibernation-start", hibernate_session); |
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|
493 module:hook("smacks-hibernation-end", restore_session); |
2395
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diff
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|
494 module:hook("smacks-ack-delayed", ack_delayed); |
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|
495 module:hook("archive-message-added", archive_message_added); |
2141
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|
496 |
2609
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|
497 local function send_ping(event) |
3626
c84bbf36c878
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3622
diff
changeset
|
498 local user = event.user; |
3627
9639c493f4b9
mod_cloud_notify: fix typo (used || instead of or)
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3626
diff
changeset
|
499 local push_services = event.push_services or push_store:get(user); |
3943
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mod_cloud_notify: Cleanup code and drop support for prosody 0.9
tmolitor <thilo@eightysoft.de>
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diff
changeset
|
500 module:log("debug", "Handling event 'cloud-notify-ping' for user '%s'", user); |
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|
501 local retval = handle_notify_request(nil, user, push_services, true); |
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|
502 module:log("debug", "handle_notify_request() returned %s", tostring(retval)); |
2609
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503 end |
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|
504 -- can be used by other modules to ping one or more (or all) push endpoints |
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|
505 module:hook("cloud-notify-ping", send_ping); |
1783
b31fe2d22310
mod_cloud_notify: XEP-0357: Push - the server bits ("app server" not included)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
506 |
2625
8c6562f16496
mod_cloud_notify: Fixed error in push deduplication
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2609
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|
507 module:log("info", "Module loaded"); |
2609
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|
508 function module.unload() |
2625
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2609
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|
509 module:log("info", "Module unloaded"); |
2643
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|
510 end |