Mercurial > prosody-modules

annotate mod_pubsub_serverinfo/mod_pubsub_serverinfo.lua @ 5963:c61a82f80e57 default tip

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mod_pubsub_serverinfo: Reference workaround for issue #1841
author Guus der Kinderen <guus.der.kinderen@gmail.com>
date Wed, 11 Sep 2024 14:02:39 +0200
parents 99ecfe44910b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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7905766d01f6 mod_pubsub_serverinfo: Treat public providers as public
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1 local http = require "net.http";
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2 local json = require "util.json";
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3 local st = require "util.stanza";
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4 local new_id = require"util.id".medium;
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5
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6 local local_domain = module:get_host();
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49b0873932ca mod_pubsub_serverinfo: Don't default to non-local pubsub servers (thanks roughnecks)
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7 local service = module:get_option_string(module.name .. "_service");
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2c85397d7241 mod_pubsub_serverinfo: node is a string, not a number
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8 local node = module:get_option_string(module.name .. "_node", "serverinfo");
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9 local actor = module.host .. "/modules/" .. module.name;
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54b451c3790c mod_pubsub_serverinfo: Fix for compatibility with 0.12 option getters
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10 local publication_interval = module:get_option_number(module.name .. "_publication_interval", 300);
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11 local cache_ttl = module:get_option_number(module.name .. "_cache_ttl", 3600);
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12 local public_providers_url = module:get_option_string(module.name.."_public_providers_url", "https://data.xmpp.net/providers/v2/providers-Ds.json");
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45d0802d0787 mod_pubsub_serverinfo: Allow configuration of node persistence/deletion
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13 local delete_node_on_unload = module:get_option_boolean(module.name.."_delete_node_on_unload", false);
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14 local persist_items = module:get_option_boolean(module.name.."_persist_items", true);
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15
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16 if not service and prosody.hosts["pubsub."..module.host] then
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17 service = "pubsub."..module.host;
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5c4e102e2563 mod_pubsub_serverinfo: fix bool logic when reading config
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18 end
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d4a8644a1cc5 mod_pubsub_serverinfo: fix syntax error
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19 if not service then
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20 module:log_status("warn", "No pubsub service specified - module not activated");
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21 return;
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22 end
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23
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24 local xmlns_pubsub = "http://jabber.org/protocol/pubsub";
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25
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99ecfe44910b mod_pubsub_serverinfo: Explicitly depend on mod_server_info
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26 -- Needed to publish server-info-fields
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27 module:depends("server_info");
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28
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29 function module.load()
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30 discover_node():next(
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31 function(exists)
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32 if not exists then create_node() end
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33 end
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34 ):catch(
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35 function(error)
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36 module:log("warn", "Error prevented discovery or creation of pub/sub node at %s: %s", service, error)
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37 end
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38 )
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39
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40 module:add_feature("urn:xmpp:serverinfo:0");
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41
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79ae71f52c81 mod_pubsub_serverinfo: Update to use mod_server_info (fixes #1841)
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parents: 5817
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42 module:add_item("server-info-fields", {
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43 { name = "serverinfo-pubsub-node", type = "text-single", value = ("xmpp:%s?;node=%s"):format(service, node) };
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44 });
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45
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d38772479891 mod_pubsub_serverinfo: Some logging improvements
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46 if cache_ttl < publication_interval then
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47 module:log("warn", "It is recommended to have a cache interval higher than the publication interval");
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48 end
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49
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50 cache_warm_up()
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51 module:add_timer(10, publish_serverinfo);
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52 end
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53
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54 function module.unload()
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55 -- This removes all subscribers, which may or may not be desirable, depending on the reason for the unload.
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56 if delete_node_on_unload then
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57 delete_node();
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58 end
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59 end
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60
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61 -- Returns a promise of a boolean
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62 function discover_node()
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63 local request = st.iq({ type = "get", to = service, from = actor, id = new_id() })
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64 :tag("query", { xmlns = "http://jabber.org/protocol/disco#items" })
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65
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66 module:log("debug", "Sending request to discover existence of pub/sub node '%s' at %s", node, service)
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67 return module:send_iq(request):next(
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68 function(response)
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69 if response.stanza == nil or response.stanza.attr.type ~= "result" then
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70 module:log("warn", "Unexpected response to service discovery items request at %s: %s", service, response.stanza)
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71 return false
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72 end
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73
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74 local query = response.stanza:get_child("query", "http://jabber.org/protocol/disco#items")
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75 if query ~= nil then
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76 for item in query:childtags("item") do
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77 if item.attr.jid == service and item.attr.node == node then
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78 module:log("debug", "pub/sub node '%s' at %s does exist.", node, service)
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79 return true
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80 end
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81 end
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82 end
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83 module:log("debug", "pub/sub node '%s' at %s does not exist.", node, service)
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84 return false;
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85 end
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86 );
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87 end
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88
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89 -- Returns a promise of a boolean
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90 function create_node()
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91 local request = st.iq({ type = "set", to = service, from = actor, id = new_id() })
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92 :tag("pubsub", { xmlns = xmlns_pubsub })
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93 :tag("create", { node = node, xmlns = xmlns_pubsub }):up()
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94 :tag("configure", { xmlns = xmlns_pubsub })
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95 :tag("x", { xmlns = "jabber:x:data", type = "submit" })
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96 :tag("field", { var = "FORM_TYPE", type = "hidden"})
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97 :text_tag("value", "http://jabber.org/protocol/pubsub#node_config")
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98 :up()
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99 :tag("field", { var = "pubsub#max_items" })
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100 :text_tag("value", "1")
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101 :up()
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102 :tag("field", { var = "pubsub#persist_items" })
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103 :text_tag("value", persist_items and "1" or "0")
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104
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105 module:log("debug", "Sending request to create pub/sub node '%s' at %s", node, service)
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106 return module:send_iq(request):next(
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107 function(response)
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108 if response.stanza == nil or response.stanza.attr.type ~= "result" then
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109 module:log("warn", "Unexpected response to pub/sub node '%s' creation request at %s: %s", node, service, response.stanza)
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110 return false
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111 else
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112 module:log("debug", "Successfully created pub/sub node '%s' at %s", node, service)
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113 return true
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114 end
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115 end
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116 )
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117 end
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118
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119 -- Returns a promise of a boolean
5803
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diff changeset
120 function delete_node()
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
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diff changeset
121 local request = st.iq({ type = "set", to = service, from = actor, id = new_id() })
5815
77c5709bd57a mod_pubsub_serverinfo: Add explicit xmlns to all pubsub tags
Matthew Wild <mwild1@gmail.com>
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122 :tag("pubsub", { xmlns = xmlns_pubsub })
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diff changeset
123 :tag("delete", { node = node, xmlns = xmlns_pubsub });
5803
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124
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125 module:log("debug", "Sending request to delete pub/sub node '%s' at %s", node, service)
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diff changeset
126 return module:send_iq(request):next(
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127 function(response)
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128 if response.stanza == nil or response.stanza.attr.type ~= "result" then
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129 module:log("warn", "Unexpected response to pub/sub node '%s' deletion request at %s: %s", node, service, response.stanza)
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130 return false
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Guus der Kinderen <guus.der.kinderen@gmail.com>
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131 else
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Guus der Kinderen <guus.der.kinderen@gmail.com>
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132 module:log("debug", "Successfully deleted pub/sub node '%s' at %s", node, service)
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133 return true
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Guus der Kinderen <guus.der.kinderen@gmail.com>
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134 end
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Guus der Kinderen <guus.der.kinderen@gmail.com>
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135 end
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Guus der Kinderen <guus.der.kinderen@gmail.com>
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diff changeset
136 )
5803
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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137 end
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138
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76b57bcfe1b2 mod_pubsub_serverinfo: Warm-up opt-in cache
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diff changeset
139 function get_remote_domain_names()
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f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
140 -- Iterate over s2s sessions, adding them to a multimap, where the key is the local domain name,
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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141 -- mapped to a collection of remote domain names. De-duplicate all remote domain names by using
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142 -- them as an index in a table.
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143 local domains_by_host = {}
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144 for session, _ in pairs(prosody.incoming_s2s) do
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diff changeset
145 if session ~= nil and session.from_host ~= nil and local_domain == session.to_host then
5808
2465d5191ae9 mod_pubsub_serverinfo: Consider sibling vhosts 'connected'
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diff changeset
146 module:log("debug", "Local host '%s' has remote '%s' (inbound)", session.to_host, session.from_host);
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diff changeset
147 local sessions = domains_by_host[session.to_host]
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diff changeset
148 if sessions == nil then sessions = {} end; -- instantiate a new entry if none existed
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diff changeset
149 sessions[session.from_host] = true
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diff changeset
150 domains_by_host[session.to_host] = sessions
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151 end
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152 end
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153
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diff changeset
154 -- At an earlier stage, the code iterated over all prosody.hosts, trying to generate one pubsub item for all local hosts. That turned out to be
2465d5191ae9 mod_pubsub_serverinfo: Consider sibling vhosts 'connected'
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155 -- to noisy. Instead, this code now creates an item that includes the local vhost only. It is assumed that this module will also be loaded for
2465d5191ae9 mod_pubsub_serverinfo: Consider sibling vhosts 'connected'
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156 -- other vhosts. Their data should then be published to distinct pub/sub services and nodes.
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157
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158 -- for host, data in pairs(prosody.hosts) do
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159 local host = local_domain
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160 local data = prosody.hosts[host]
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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161 if data ~= nil then
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162 local sessions = domains_by_host[host]
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
163 if sessions == nil then sessions = {} end; -- instantiate a new entry if none existed
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
164 if data.s2sout ~= nil then
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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parents: 5801
diff changeset
165 for _, session in pairs(data.s2sout) do
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
166 if session.to_host ~= nil then
5808
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diff changeset
167 module:log("debug", "Local host '%s' has remote '%s' (outbound)", host, session.to_host);
5803
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168 sessions[session.to_host] = true
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diff changeset
169 domains_by_host[host] = sessions
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170 end
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171 end
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
172 end
5808
2465d5191ae9 mod_pubsub_serverinfo: Consider sibling vhosts 'connected'
Guus der Kinderen <guus.der.kinderen@gmail.com>
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173
2465d5191ae9 mod_pubsub_serverinfo: Consider sibling vhosts 'connected'
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5805
diff changeset
174 -- When the instance of Prosody hosts more than one host, the other hosts can be thought of as having a 'permanent' s2s connection.
2465d5191ae9 mod_pubsub_serverinfo: Consider sibling vhosts 'connected'
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5805
diff changeset
175 for host_name, host_info in pairs(prosody.hosts) do
2465d5191ae9 mod_pubsub_serverinfo: Consider sibling vhosts 'connected'
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parents: 5805
diff changeset
176 if host ~= host_name and host_info.type ~= "component" then
2465d5191ae9 mod_pubsub_serverinfo: Consider sibling vhosts 'connected'
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parents: 5805
diff changeset
177 module:log("debug", "Local host '%s' has remote '%s' (vhost)", host, host_name);
2465d5191ae9 mod_pubsub_serverinfo: Consider sibling vhosts 'connected'
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diff changeset
178 sessions[host_name] = true;
2465d5191ae9 mod_pubsub_serverinfo: Consider sibling vhosts 'connected'
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diff changeset
179 domains_by_host[host] = sessions
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180 end
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Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5805
diff changeset
181 end
5803
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182 end
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diff changeset
183
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diff changeset
184 return domains_by_host
76b57bcfe1b2 mod_pubsub_serverinfo: Warm-up opt-in cache
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diff changeset
185 end
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diff changeset
186
76b57bcfe1b2 mod_pubsub_serverinfo: Warm-up opt-in cache
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diff changeset
187 function publish_serverinfo()
5813
d38772479891 mod_pubsub_serverinfo: Some logging improvements
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parents: 5812
diff changeset
188 module:log("debug", "Publishing server info...");
5810
76b57bcfe1b2 mod_pubsub_serverinfo: Warm-up opt-in cache
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diff changeset
189 local domains_by_host = get_remote_domain_names()
76b57bcfe1b2 mod_pubsub_serverinfo: Warm-up opt-in cache
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diff changeset
190
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191 -- Build the publication stanza.
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Guus der Kinderen <guus.der.kinderen@gmail.com>
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diff changeset
192 local request = st.iq({ type = "set", to = service, from = actor, id = new_id() })
5815
77c5709bd57a mod_pubsub_serverinfo: Add explicit xmlns to all pubsub tags
Matthew Wild <mwild1@gmail.com>
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diff changeset
193 :tag("pubsub", { xmlns = xmlns_pubsub })
77c5709bd57a mod_pubsub_serverinfo: Add explicit xmlns to all pubsub tags
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diff changeset
194 :tag("publish", { node = node, xmlns = xmlns_pubsub })
77c5709bd57a mod_pubsub_serverinfo: Add explicit xmlns to all pubsub tags
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parents: 5814
diff changeset
195 :tag("item", { id = "current", xmlns = xmlns_pubsub })
5803
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
196 :tag("serverinfo", { xmlns = "urn:xmpp:serverinfo:0" })
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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parents: 5801
diff changeset
197
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
198 request:tag("domain", { name = local_domain })
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
199 :tag("federation")
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
200
5810
76b57bcfe1b2 mod_pubsub_serverinfo: Warm-up opt-in cache
Guus der Kinderen <guus.der.kinderen@gmail.com>
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diff changeset
201 local remotes = domains_by_host[local_domain]
5803
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diff changeset
202
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
203 if remotes ~= nil then
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
204 for remote, _ in pairs(remotes) do
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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parents: 5801
diff changeset
205 -- include a domain name for remote domains, but only if they advertise support.
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
206 if does_opt_in(remote) then
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
207 request:tag("remote-domain", { name = remote }):up()
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
208 else
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
209 request:tag("remote-domain"):up()
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
210 end
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
211 end
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
212 end
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
213
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
214 request:up():up()
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
215
5804
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Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5803
diff changeset
216 module:send_iq(request):next(
c3eeeb968403 mod_pubsub_serverinfo: Detect existence of pub/sub node
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5803
diff changeset
217 function(response)
c3eeeb968403 mod_pubsub_serverinfo: Detect existence of pub/sub node
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5803
diff changeset
218 if response.stanza == nil or response.stanza.attr.type ~= "result" then
c3eeeb968403 mod_pubsub_serverinfo: Detect existence of pub/sub node
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diff changeset
219 module:log("warn", "Unexpected response to item publication at pub/sub node '%s' on %s: %s", node, service, response.stanza)
c3eeeb968403 mod_pubsub_serverinfo: Detect existence of pub/sub node
Guus der Kinderen <guus.der.kinderen@gmail.com>
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diff changeset
220 return false
c3eeeb968403 mod_pubsub_serverinfo: Detect existence of pub/sub node
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5803
diff changeset
221 else
c3eeeb968403 mod_pubsub_serverinfo: Detect existence of pub/sub node
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5803
diff changeset
222 module:log("debug", "Successfully published item on pub/sub node '%s' at %s", node, service)
c3eeeb968403 mod_pubsub_serverinfo: Detect existence of pub/sub node
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5803
diff changeset
223 return true
c3eeeb968403 mod_pubsub_serverinfo: Detect existence of pub/sub node
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5803
diff changeset
224 end
c3eeeb968403 mod_pubsub_serverinfo: Detect existence of pub/sub node
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5803
diff changeset
225 end,
c3eeeb968403 mod_pubsub_serverinfo: Detect existence of pub/sub node
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5803
diff changeset
226 function(error)
c3eeeb968403 mod_pubsub_serverinfo: Detect existence of pub/sub node
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5803
diff changeset
227 module:log("warn", "Error prevented publication of item on pub/sub node at %s: %s", service, error)
c3eeeb968403 mod_pubsub_serverinfo: Detect existence of pub/sub node
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5803
diff changeset
228 end
c3eeeb968403 mod_pubsub_serverinfo: Detect existence of pub/sub node
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5803
diff changeset
229 )
5803
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
230
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
231 return publication_interval;
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
232 end
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
233
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
234 local opt_in_cache = {}
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
235
5817
7905766d01f6 mod_pubsub_serverinfo: Treat public providers as public
Matthew Wild <mwild1@gmail.com>
parents: 5816
diff changeset
236 -- Public providers are already public, so we fetch the list of providers
7905766d01f6 mod_pubsub_serverinfo: Treat public providers as public
Matthew Wild <mwild1@gmail.com>
parents: 5816
diff changeset
237 -- registered on providers.xmpp.net so we don't have to disco them individually
7905766d01f6 mod_pubsub_serverinfo: Treat public providers as public
Matthew Wild <mwild1@gmail.com>
parents: 5816
diff changeset
238 local function update_public_providers()
7905766d01f6 mod_pubsub_serverinfo: Treat public providers as public
Matthew Wild <mwild1@gmail.com>
parents: 5816
diff changeset
239 return http.request(public_providers_url)
7905766d01f6 mod_pubsub_serverinfo: Treat public providers as public
Matthew Wild <mwild1@gmail.com>
parents: 5816
diff changeset
240 :next(function (response)
7905766d01f6 mod_pubsub_serverinfo: Treat public providers as public
Matthew Wild <mwild1@gmail.com>
parents: 5816
diff changeset
241 assert(
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242 response.headers["content-type"] == "application/json",
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243 "invalid mimetype: "..tostring(response.headers["content-type"])
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244 );
7905766d01f6 mod_pubsub_serverinfo: Treat public providers as public
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245 return json.decode(response.body);
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246 end)
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247 :next(function (public_server_domains)
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248 module:log("debug", "Retrieved list of %d public providers", #public_server_domains);
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249 for _, domain in ipairs(public_server_domains) do
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250 opt_in_cache[domain] = {
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251 opt_in = true;
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252 expires = os.time() + (86400 * 1.5);
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253 };
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254 end
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255 end, function (err)
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256 module:log("warn", "Failed to fetch/decode provider list: %s", err);
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257 end);
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258 end
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259
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260 module:daily("update public provider list", update_public_providers);
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261
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262 function cache_warm_up()
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263 module:log("debug", "Warming up opt-in cache")
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264
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265 update_public_providers():finally(function ()
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266 module:log("debug", "Querying known domains for opt-in cache...");
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267 local domains_by_host = get_remote_domain_names()
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268 local remotes = domains_by_host[local_domain]
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269 if remotes ~= nil then
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270 for remote in pairs(remotes) do
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271 does_opt_in(remote)
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272 end
5810
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273 end
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274 end);
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275 end
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276
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277 function does_opt_in(remoteDomain)
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278
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279 -- try to read answer from cache.
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280 local cached_value = opt_in_cache[remoteDomain]
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diff changeset
281 local ttl = cached_value and os.difftime(cached_value.expires, os.time());
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diff changeset
282 if cached_value and ttl > (publication_interval + 60) then
5808
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diff changeset
283 module:log("debug", "Opt-in status (from cache) for '%s': %s", remoteDomain, cached_value.opt_in)
5803
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diff changeset
284 return cached_value.opt_in;
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diff changeset
285 end
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286
5812
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diff changeset
287 -- We don't have a cached value, or it is nearing expiration - refresh it now
5803
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diff changeset
288 -- TODO worry about not having multiple requests in flight to the same domain.cached_value
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diff changeset
289
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diff changeset
290 module:log("debug", "%s: performing disco/info to determine opt-in", remoteDomain)
5810
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diff changeset
291 local discoRequest = st.iq({ type = "get", to = remoteDomain, from = actor, id = new_id() })
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diff changeset
292 :tag("query", { xmlns = "http://jabber.org/protocol/disco#info" })
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diff changeset
293
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diff changeset
294 module:send_iq(discoRequest):next(
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
295 function(response)
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
296 if response.stanza ~= nil and response.stanza.attr.type == "result" then
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diff changeset
297 local query = response.stanza:get_child("query", "http://jabber.org/protocol/disco#info")
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diff changeset
298 if query ~= nil then
5809
a8cae8322b7c mod_pubsub_serverinfo: Fix namespace parsing issue with disco/info
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diff changeset
299 for feature in query:childtags("feature") do
5813
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diff changeset
300 --module:log("debug", "Disco/info feature for '%s': %s", remoteDomain, feature)
5803
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diff changeset
301 if feature.attr.var == 'urn:xmpp:serverinfo:0' then
5808
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diff changeset
302 module:log("debug", "Disco/info response included opt-in for '%s'", remoteDomain)
5803
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diff changeset
303 opt_in_cache[remoteDomain] = {
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diff changeset
304 opt_in = true;
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diff changeset
305 expires = os.time() + cache_ttl;
5803
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
306 }
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
307 return; -- prevent 'false' to be cached, down below.
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
308 end
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
309 end
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
310 end
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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parents: 5801
diff changeset
311 end
5808
2465d5191ae9 mod_pubsub_serverinfo: Consider sibling vhosts 'connected'
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diff changeset
312 module:log("debug", "Disco/info response did not include opt-in for '%s'", remoteDomain)
5803
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
313 opt_in_cache[remoteDomain] = {
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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parents: 5801
diff changeset
314 opt_in = false;
5805
55b99f593c3a mod_pubsub_serverinfo: Disco/info cache TTL should be configurable
Guus der Kinderen <guus.der.kinderen@gmail.com>
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diff changeset
315 expires = os.time() + cache_ttl;
5803
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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diff changeset
316 }
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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parents: 5801
diff changeset
317 end,
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
318 function(response)
5808
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Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5805
diff changeset
319 module:log("debug", "An error occurred while performing a disco/info request to determine opt-in for '%s'", remoteDomain, response)
5803
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
320 opt_in_cache[remoteDomain] = {
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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parents: 5801
diff changeset
321 opt_in = false;
5805
55b99f593c3a mod_pubsub_serverinfo: Disco/info cache TTL should be configurable
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5804
diff changeset
322 expires = os.time() + cache_ttl;
5803
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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parents: 5801
diff changeset
323 }
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
324 end
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
325 );
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
326
5812
cf5f77491323 mod_pubsub_serverinfo: Refresh cache entries if they will expire before next run
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parents: 5810
diff changeset
327 if ttl and ttl <= 0 then
cf5f77491323 mod_pubsub_serverinfo: Refresh cache entries if they will expire before next run
Matthew Wild <mwild1@gmail.com>
parents: 5810
diff changeset
328 -- Cache entry expired, remove it and assume not opted in
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parents: 5810
diff changeset
329 opt_in_cache[remoteDomain] = nil;
cf5f77491323 mod_pubsub_serverinfo: Refresh cache entries if they will expire before next run
Matthew Wild <mwild1@gmail.com>
parents: 5810
diff changeset
330 return false;
cf5f77491323 mod_pubsub_serverinfo: Refresh cache entries if they will expire before next run
Matthew Wild <mwild1@gmail.com>
parents: 5810
diff changeset
331 end
5803
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
Guus der Kinderen <guus.der.kinderen@gmail.com>
parents: 5801
diff changeset
332
5812
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parents: 5810
diff changeset
333 return cached_value and cached_value.opt_in;
5803
f55e65315ba0 mod_pubsub_serverinfo: implemented all basic features
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parents: 5801
diff changeset
334 end