author | daurnimator <quae@daurnimator.com> |
Wed, 22 Oct 2014 15:59:51 -0400 | |
changeset 6487 | 913585bca01f |
parent 6452 | 24cd03cd1847 |
child 8217 | da8bc600902a |
permissions | -rw-r--r-- |
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mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
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local pubsub = require "util.pubsub"; |
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mod_pep_plus: An util.pubsub based PEP module
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parents:
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local jid_bare = require "util.jid".bare; |
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mod_pep_plus: An util.pubsub based PEP module
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local jid_split = require "util.jid".split; |
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mod_pep_plus: An util.pubsub based PEP module
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local set_new = require "util.set".new; |
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mod_pep_plus: An util.pubsub based PEP module
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local st = require "util.stanza"; |
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mod_pep_plus: An util.pubsub based PEP module
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local calculate_hash = require "util.caps".calculate_hash; |
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mod_pep_plus: An util.pubsub based PEP module
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local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed; |
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mod_pep_plus: An util.pubsub based PEP module
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84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
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local xmlns_pubsub = "http://jabber.org/protocol/pubsub"; |
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mod_pep_plus: An util.pubsub based PEP module
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local xmlns_pubsub_event = "http://jabber.org/protocol/pubsub#event"; |
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mod_pep_plus: An util.pubsub based PEP module
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local xmlns_pubsub_owner = "http://jabber.org/protocol/pubsub#owner"; |
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mod_pep_plus: An util.pubsub based PEP module
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84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
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local lib_pubsub = module:require "pubsub"; |
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mod_pep_plus: An util.pubsub based PEP module
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local handlers = lib_pubsub.handlers; |
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mod_pep_plus: An util.pubsub based PEP module
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local pubsub_error_reply = lib_pubsub.pubsub_error_reply; |
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mod_pep_plus: An util.pubsub based PEP module
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mod_pep_plus: Only broadcast newly added subscriptions
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local empty_set = set_new(); |
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local services = {}; |
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mod_pep_plus: An util.pubsub based PEP module
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local recipients = {}; |
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mod_pep_plus: An util.pubsub based PEP module
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local hash_map = {}; |
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mod_pep_plus: An util.pubsub based PEP module
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|
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mod_pep_plus: An util.pubsub based PEP module
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function module.save() |
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mod_pep_plus: An util.pubsub based PEP module
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return { services = services }; |
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mod_pep_plus: An util.pubsub based PEP module
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25 |
end |
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mod_pep_plus: An util.pubsub based PEP module
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|
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mod_pep_plus: An util.pubsub based PEP module
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function module.restore(data) |
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services = data.services; |
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mod_pep_plus: An util.pubsub based PEP module
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end |
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mod_pep_plus: An util.pubsub based PEP module
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local function subscription_presence(user_bare, recipient) |
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mod_pep_plus: An util.pubsub based PEP module
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local recipient_bare = jid_bare(recipient); |
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mod_pep_plus: An util.pubsub based PEP module
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if (recipient_bare == user_bare) then return true; end |
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mod_pep_plus: An util.pubsub based PEP module
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local username, host = jid_split(user_bare); |
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mod_pep_plus: An util.pubsub based PEP module
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return is_contact_subscribed(username, host, recipient_bare); |
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mod_pep_plus: An util.pubsub based PEP module
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end |
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mod_pep_plus: An util.pubsub based PEP module
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parents:
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|
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
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parents:
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local function get_broadcaster(name) |
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mod_pep_plus: An util.pubsub based PEP module
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local function simple_broadcast(kind, node, jids, item) |
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mod_pep_plus: An util.pubsub based PEP module
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if item then |
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mod_pep_plus: An util.pubsub based PEP module
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item = st.clone(item); |
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mod_pep_plus: An util.pubsub based PEP module
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item.attr.xmlns = nil; -- Clear the pubsub namespace |
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mod_pep_plus: An util.pubsub based PEP module
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end |
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mod_pep_plus: An util.pubsub based PEP module
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local message = st.message({ from = name, type = "headline" }) |
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mod_pep_plus: An util.pubsub based PEP module
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:tag("event", { xmlns = xmlns_pubsub_event }) |
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mod_pep_plus: An util.pubsub based PEP module
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:tag(kind, { node = node }) |
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mod_pep_plus: An util.pubsub based PEP module
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:add_child(item); |
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mod_pep_plus: An util.pubsub based PEP module
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for jid in pairs(jids) do |
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mod_pep_plus: An util.pubsub based PEP module
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module:log("debug", "Sending notification to %s from %s: %s", jid, name, tostring(item)); |
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mod_pep_plus: An util.pubsub based PEP module
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message.attr.to = jid; |
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mod_pep_plus: An util.pubsub based PEP module
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module:send(message); |
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mod_pep_plus: An util.pubsub based PEP module
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end |
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mod_pep_plus: An util.pubsub based PEP module
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end |
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mod_pep_plus: An util.pubsub based PEP module
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return simple_broadcast; |
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mod_pep_plus: An util.pubsub based PEP module
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end |
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mod_pep_plus: An util.pubsub based PEP module
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mod_pep_plus: Expose get_pep_service()
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function get_pep_service(name) |
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local service = services[name]; |
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if service then |
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return service; |
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end |
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service = pubsub.new({ |
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capabilities = { |
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none = { |
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create = false; |
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publish = false; |
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retract = false; |
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get_nodes = false; |
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subscribe = false; |
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mod_pep_plus: An util.pubsub based PEP module
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unsubscribe = false; |
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get_subscription = false; |
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mod_pep_plus: An util.pubsub based PEP module
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get_subscriptions = false; |
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mod_pep_plus: An util.pubsub based PEP module
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get_items = false; |
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mod_pep_plus: An util.pubsub based PEP module
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parents:
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|
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subscribe_other = false; |
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unsubscribe_other = false; |
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mod_pep_plus: An util.pubsub based PEP module
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get_subscription_other = false; |
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get_subscriptions_other = false; |
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|
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be_subscribed = true; |
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mod_pep_plus: An util.pubsub based PEP module
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be_unsubscribed = true; |
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|
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set_affiliation = false; |
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}; |
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subscriber = { |
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mod_pep_plus: An util.pubsub based PEP module
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create = false; |
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mod_pep_plus: An util.pubsub based PEP module
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publish = false; |
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mod_pep_plus: An util.pubsub based PEP module
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retract = false; |
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get_nodes = true; |
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|
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subscribe = true; |
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unsubscribe = true; |
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get_subscription = true; |
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get_subscriptions = true; |
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mod_pep_plus: An util.pubsub based PEP module
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get_items = true; |
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|
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subscribe_other = false; |
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unsubscribe_other = false; |
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get_subscription_other = false; |
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get_subscriptions_other = false; |
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be_subscribed = true; |
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be_unsubscribed = true; |
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set_affiliation = false; |
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}; |
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publisher = { |
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create = false; |
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publish = true; |
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retract = true; |
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get_nodes = true; |
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113 |
|
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subscribe = true; |
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unsubscribe = true; |
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get_subscription = true; |
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get_subscriptions = true; |
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get_items = true; |
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119 |
|
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subscribe_other = false; |
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unsubscribe_other = false; |
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get_subscription_other = false; |
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get_subscriptions_other = false; |
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124 |
|
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be_subscribed = true; |
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be_unsubscribed = true; |
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127 |
|
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set_affiliation = false; |
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129 |
}; |
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owner = { |
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create = true; |
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publish = true; |
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retract = true; |
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delete = true; |
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get_nodes = true; |
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configure = true; |
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137 |
|
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subscribe = true; |
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unsubscribe = true; |
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get_subscription = true; |
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get_subscriptions = true; |
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get_items = true; |
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143 |
|
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144 |
|
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145 |
subscribe_other = true; |
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146 |
unsubscribe_other = true; |
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get_subscription_other = true; |
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148 |
get_subscriptions_other = true; |
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149 |
|
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be_subscribed = true; |
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be_unsubscribed = true; |
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152 |
|
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set_affiliation = true; |
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154 |
}; |
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155 |
}; |
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156 |
|
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157 |
node_defaults = { |
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158 |
["pubsub#max_items"] = "1"; |
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159 |
}; |
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160 |
|
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161 |
autocreate_on_publish = true; |
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162 |
autocreate_on_subscribe = true; |
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163 |
|
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164 |
broadcaster = get_broadcaster(name); |
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165 |
get_affiliation = function (jid) |
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166 |
if jid_bare(jid) == name then |
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167 |
return "owner"; |
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168 |
elseif subscription_presence(name, jid) then |
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169 |
return "subscriber"; |
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170 |
end |
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171 |
end; |
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172 |
|
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173 |
normalize_jid = jid_bare; |
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174 |
}); |
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175 |
services[name] = service; |
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176 |
module:add_item("pep-service", { service = service, jid = name }); |
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177 |
return service; |
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178 |
end |
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179 |
|
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180 |
function handle_pubsub_iq(event) |
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181 |
local origin, stanza = event.origin, event.stanza; |
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182 |
local pubsub = stanza.tags[1]; |
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183 |
local action = pubsub.tags[1]; |
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184 |
if not action then |
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185 |
return origin.send(st.error_reply(stanza, "cancel", "bad-request")); |
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186 |
end |
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|
187 |
local service_name = stanza.attr.to or origin.username.."@"..origin.host |
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188 |
local service = get_pep_service(service_name); |
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|
189 |
local handler = handlers[stanza.attr.type.."_"..action.name]; |
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|
190 |
if handler then |
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|
191 |
handler(origin, stanza, action, service); |
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|
192 |
return true; |
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193 |
end |
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|
194 |
end |
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|
195 |
|
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|
196 |
module:hook("iq/bare/"..xmlns_pubsub..":pubsub", handle_pubsub_iq); |
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|
197 |
module:hook("iq/bare/"..xmlns_pubsub_owner..":pubsub", handle_pubsub_iq); |
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198 |
|
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199 |
module:add_identity("pubsub", "pep", module:get_option_string("name", "Prosody")); |
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|
200 |
module:add_feature("http://jabber.org/protocol/pubsub#publish"); |
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|
201 |
|
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|
202 |
local function get_caps_hash_from_presence(stanza, current) |
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|
203 |
local t = stanza.attr.type; |
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|
204 |
if not t then |
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205 |
local child = stanza:get_child("c", "http://jabber.org/protocol/caps"); |
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|
206 |
if child then |
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|
207 |
local attr = child.attr; |
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|
208 |
if attr.hash then -- new caps |
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|
209 |
if attr.hash == 'sha-1' and attr.node and attr.ver then |
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210 |
return attr.ver, attr.node.."#"..attr.ver; |
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211 |
end |
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212 |
else -- legacy caps |
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213 |
if attr.node and attr.ver then |
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214 |
return attr.node.."#"..attr.ver.."#"..(attr.ext or ""), attr.node.."#"..attr.ver; |
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215 |
end |
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|
216 |
end |
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217 |
end |
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218 |
return; -- no or bad caps |
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219 |
elseif t == "unavailable" or t == "error" then |
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220 |
return; |
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|
221 |
end |
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222 |
return current; -- no caps, could mean caps optimization, so return current |
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223 |
end |
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224 |
|
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local function resend_last_item(jid, node, service) |
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local ok, items = service:get_items(node, jid); |
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if not ok then return; end |
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for i, id in ipairs(items) do |
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service.config.broadcaster("items", node, { [jid] = true }, items[id]); |
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end |
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231 |
end |
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232 |
|
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local function update_subscriptions(recipient, service_name, nodes) |
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local service = get_pep_service(service_name); |
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nodes = nodes or empty_set; |
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local service_recipients = recipients[service_name]; |
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if not service_recipients then |
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service_recipients = {}; |
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recipients[service_name] = service_recipients; |
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end |
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|
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local current = service_recipients[recipient]; |
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if not current or type(current) ~= "table" then |
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current = empty_set; |
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end |
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|
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if (current == empty_set or current:empty()) and (nodes == empty_set or nodes:empty()) then |
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return; |
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250 |
end |
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251 |
|
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for node in current - nodes do |
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service:remove_subscription(node, recipient, recipient); |
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end |
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255 |
|
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for node in nodes - current do |
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service:add_subscription(node, recipient, recipient); |
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resend_last_item(recipient, node, service); |
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259 |
end |
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|
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if nodes == empty_set or nodes:empty() then |
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nodes = nil; |
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263 |
end |
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264 |
|
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service_recipients[recipient] = nodes; |
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266 |
end |
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267 |
|
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|
268 |
module:hook("presence/bare", function(event) |
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269 |
-- inbound presence to bare JID recieved |
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local origin, stanza = event.origin, event.stanza; |
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local user = stanza.attr.to or (origin.username..'@'..origin.host); |
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local t = stanza.attr.type; |
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273 |
local self = not stanza.attr.to; |
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local service = get_pep_service(user); |
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275 |
|
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276 |
if not t then -- available presence |
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277 |
if self or subscription_presence(user, stanza.attr.from) then |
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278 |
local recipient = stanza.attr.from; |
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279 |
local current = recipients[user] and recipients[user][recipient]; |
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280 |
local hash, query_node = get_caps_hash_from_presence(stanza, current); |
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281 |
if current == hash or (current and current == hash_map[hash]) then return; end |
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|
282 |
if not hash then |
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283 |
update_subscriptions(recipient, user); |
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284 |
else |
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|
285 |
recipients[user] = recipients[user] or {}; |
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|
286 |
if hash_map[hash] then |
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287 |
update_subscriptions(recipient, user, hash_map[hash]); |
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288 |
else |
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289 |
recipients[user][recipient] = hash; |
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290 |
local from_bare = origin.type == "c2s" and origin.username.."@"..origin.host; |
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291 |
if self or origin.type ~= "c2s" or (recipients[from_bare] and recipients[from_bare][origin.full_jid]) ~= hash then |
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|
292 |
-- COMPAT from ~= stanza.attr.to because OneTeam can't deal with missing from attribute |
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293 |
origin.send( |
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|
294 |
st.stanza("iq", {from=user, to=stanza.attr.from, id="disco", type="get"}) |
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295 |
:tag("query", {xmlns = "http://jabber.org/protocol/disco#info", node = query_node}) |
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|
296 |
); |
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297 |
end |
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298 |
end |
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299 |
end |
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300 |
end |
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|
301 |
elseif t == "unavailable" then |
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302 |
update_subscriptions(stanza.attr.from, user); |
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303 |
elseif not self and t == "unsubscribe" then |
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|
304 |
local from = jid_bare(stanza.attr.from); |
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|
305 |
local subscriptions = recipients[user]; |
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|
306 |
if subscriptions then |
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|
307 |
for subscriber in pairs(subscriptions) do |
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|
308 |
if jid_bare(subscriber) == from then |
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309 |
update_subscriptions(subscriber, user); |
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310 |
end |
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|
311 |
end |
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|
312 |
end |
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|
313 |
end |
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|
314 |
end, 10); |
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|
315 |
|
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|
316 |
module:hook("iq-result/bare/disco", function(event) |
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|
317 |
local origin, stanza = event.origin, event.stanza; |
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318 |
local disco = stanza:get_child("query", "http://jabber.org/protocol/disco#info"); |
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|
319 |
if not disco then |
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320 |
return; |
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|
321 |
end |
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|
322 |
|
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|
323 |
-- Process disco response |
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|
324 |
local self = not stanza.attr.to; |
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|
325 |
local user = stanza.attr.to or (origin.username..'@'..origin.host); |
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|
326 |
local contact = stanza.attr.from; |
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|
327 |
local current = recipients[user] and recipients[user][contact]; |
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|
328 |
if type(current) ~= "string" then return; end -- check if waiting for recipient's response |
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|
329 |
local ver = current; |
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|
330 |
if not string.find(current, "#") then |
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|
331 |
ver = calculate_hash(disco.tags); -- calculate hash |
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|
332 |
end |
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|
333 |
local notify = set_new(); |
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|
334 |
for _, feature in pairs(disco.tags) do |
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|
335 |
if feature.name == "feature" and feature.attr.var then |
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local nfeature = feature.attr.var:match("^(.*)%+notify$"); |
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if nfeature then notify:add(nfeature); end |
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338 |
end |
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339 |
end |
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340 |
hash_map[ver] = notify; -- update hash map |
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341 |
if self then |
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342 |
for jid, item in pairs(origin.roster) do -- for all interested contacts |
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343 |
if item.subscription == "both" or item.subscription == "from" then |
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344 |
if not recipients[jid] then recipients[jid] = {}; end |
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update_subscriptions(contact, jid, notify); |
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346 |
end |
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347 |
end |
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348 |
end |
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349 |
update_subscriptions(contact, user, notify); |
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350 |
end); |
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351 |
|
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352 |
module:hook("account-disco-info-node", function(event) |
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local reply, stanza, origin = event.reply, event.stanza, event.origin; |
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354 |
local service_name = stanza.attr.to or origin.username.."@"..origin.host |
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355 |
local service = get_pep_service(service_name); |
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356 |
local node = event.node; |
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local ok = service:get_items(node, jid_bare(stanza.attr.from) or true); |
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358 |
if not ok then return; end |
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359 |
event.exists = true; |
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360 |
reply:tag('identity', {category='pubsub', type='leaf'}):up(); |
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361 |
end); |
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mod_pep_plus: An util.pubsub based PEP module
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parents:
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|
362 |
|
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363 |
module:hook("account-disco-info", function(event) |
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mod_pep_plus: An util.pubsub based PEP module
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parents:
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|
364 |
local reply = event.reply; |
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mod_pep_plus: An util.pubsub based PEP module
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parents:
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changeset
|
365 |
reply:tag('identity', {category='pubsub', type='pep'}):up(); |
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mod_pep_plus: An util.pubsub based PEP module
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parents:
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|
366 |
reply:tag('feature', {var='http://jabber.org/protocol/pubsub#publish'}):up(); |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
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|
367 |
end); |
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mod_pep_plus: An util.pubsub based PEP module
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parents:
diff
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|
368 |
|
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mod_pep_plus: An util.pubsub based PEP module
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parents:
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|
369 |
module:hook("account-disco-items-node", function(event) |
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mod_pep_plus: An util.pubsub based PEP module
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parents:
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|
370 |
local reply, stanza, origin = event.reply, event.stanza, event.origin; |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
371 |
local node = event.node; |
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mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
372 |
local service_name = stanza.attr.to or origin.username.."@"..origin.host |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
373 |
local service = get_pep_service(service_name); |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
374 |
local ok, ret = service:get_items(node, jid_bare(stanza.attr.from) or true); |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
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|
375 |
if not ok then return; end |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
376 |
event.exists = true; |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
377 |
for _, id in ipairs(ret) do |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
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parents:
diff
changeset
|
378 |
reply:tag("item", { jid = service_name, name = id }):up(); |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
379 |
end |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
380 |
end); |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
381 |
|
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
382 |
module:hook("account-disco-items", function(event) |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
383 |
local reply, stanza, origin = event.reply, event.stanza, event.origin; |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
384 |
|
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
385 |
local service_name = reply.attr.from or origin.username.."@"..origin.host |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
386 |
local service = get_pep_service(service_name); |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
387 |
local ok, ret = service:get_nodes(jid_bare(stanza.attr.from)); |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
388 |
if not ok then return; end |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
389 |
|
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
390 |
for node, node_obj in pairs(ret) do |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
391 |
reply:tag("item", { jid = service_name, node = node, name = node_obj.config.name }):up(); |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
392 |
end |
84bdac93910f
mod_pep_plus: An util.pubsub based PEP module
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff
changeset
|
393 |
end); |