-- SUBSCRIBER USE CASES
function pubsub_subscribe ( to, node )
local conn = lm.connection.bless ( main.connection () )
local jid = conn:jid():gsub ( '/.*', '' )
conn:send (
lm.message.create { mtype = 'iq-set', to = to, -- from = conn:jid (),
pubsub = { xmlns = 'http://jabber.org/protocol/pubsub',
subscribe = { node = node, jid = jid },
},
},
function ( conn, mess )
local mtype, smtype = mess:type ()
if smtype == 'result' then
local s = mess:path ( 'pubsub', 'subscription' )
local info
if s then
local id = s:attribute ( 'subid' )
if not id then
id = 'unspecified'
end
info = ('%s is now %s to node %s (id %s)'):format ( s:attribute ( 'jid' ), s:attribute ( 'subscription' ), s:attribute ( 'node' ), id )
else
info = 'Subscription successful, but server supplied no info about it...'
end
main.print_info ( to, info )
return true
elseif smtype == 'error' then
main.print_info ( to, 'Error response for subscription request: ' .. mess:xml () ) -- FIXME
-- XXX: handle configuration forms?
return true
else
print ( 'Weird response for subscription request: ' .. mess:xml () )
return false
end
end )
end
function pubsub_unsubscribe ( to, node )
local conn = lm.connection.bless ( main.connection () )
local jid = conn:jid():gsub ( '/.*', '' )
conn:send (
lm.message.create { mtype = 'iq-set', to = to,
pubsub = { xmlns = 'http://jabber.org/protocol/pubsub',
unsubscribe = { node = node, jid = jid },
},
},
function ( conn, mess )
local mtype, smtype = mess:type ()
if smtype == 'result' then
main.print_info ( to, 'Unsubscription successful' )
return true
elseif smtype == 'error' then
main.print_info ( to, 'Error response for unsubscription request: ' .. mess:xml () ) -- FIXME
return true
else
print ( 'Weird response for unsubscription request: ' .. mess:xml () )
return false
end
end )
end
-- I found no servers with subscription options support thus it is not implemented.
-- untested :(
function pubsub_retrieve ( to, node, handler, max, ids )
local items = { node = node, max_items = max }
if ids then
items.item = { }
for k, id in pairs ( ids ) do
table.insert ( items.item, { id = id } )
end
end
local conn = lm.connection.bless ( main.connection () )
conn:send (
lm.message.create { mtype = 'iq-set', to = to,
pubsub = { xmlns = 'http://jabber.org/protocol/pubsub',
items = items,
},
},
function ( conn, mess )
local mtype, smtype = mess:type ()
if smtype == 'result' then
local items = mess:path ( 'pubsub', 'items' )
if items then
local item = items:children ()
while item do
-- we cannot know, what item contains
handler ( item )
item = item:next ()
end
end
return true
elseif smtype == 'error' then
main.print_info ( to, 'Error response for items retrieval request: ' .. mess:xml () ) -- FIXME
return true
else
print ( 'Weird response for items retrieval request: ' .. mess:xml () )
return false
end
end )
end
-- OWNER USE CASES
-- node may be nil
function pubsub_create_node ( to, node )
local conn = lm.connection.bless ( main.connection () )
conn:send (
lm.message.create { mtype = 'iq-set', to = to,
pubsub = { xmlns = 'http://jabber.org/protocol/pubsub',
create = { node = node },
},
},
function ( conn, mess )
local mtype, smtype = mess:type ()
if smtype == 'result' then
if node then
main.print_info ( to, 'Node ' .. node .. ' successfully created' )
else
local create = mess:path ( 'pubsub', 'create' )
if create then
local nid = create:attribute ( 'node' )
main.print_info ( to, 'Node created, id ' .. (nid or 'unspecified') )
else
main.print_info ( to, 'Node created, but no id provieded' )
end
end
return true
elseif smtype == 'error' then
main.print_info ( to, 'Error response for node creation request: ' .. mess:xml () ) -- FIXME
return true
else
print ( 'Weird response for node creation request: ' .. mess:xml () )
return false
end
end )
end
function pubsub_delete_node ( to, node )
local conn = lm.connection.bless ( main.connection () )
conn:send (
lm.message.create { mtype = 'iq-set', to = to,
pubsub = { xmlns = 'http://jabber.org/protocol/pubsub#owner',
delete = { node = node },
},
},
function ( conn, mess )
local mtype, smtype = mess:type ()
if smtype == 'result' then
main.print_info ( to, 'Node ' .. node .. ' successfully deleted' )
return true
elseif smtype == 'error' then
main.print_info ( to, 'Error response for node deletion request: ' .. mess:xml () ) -- FIXME
return true
else
print ( 'Weird response for node deletion request: ' .. mess:xml () )
return false
end
end )
end
function pubsub_purge_node ( to, node )
local conn = lm.connection.bless ( main.connection () )
conn:send (
lm.message.create { mtype = 'iq-set', to = to,
pubsub = { xmlns = 'http://jabber.org/protocol/pubsub#owner',
purge = { node = node },
},
},
function ( conn, mess )
local mtype, smtype = mess:type ()
if smtype == 'result' then
main.print_info ( to, 'Node ' .. node .. ' items successfully purged' )
return true
elseif smtype == 'error' then
main.print_info ( to, 'Error response for node items purging request: ' .. mess:xml () ) -- FIXME
return true
else
print ( 'Weird response for node items purging request: ' .. mess:xml () )
return false
end
end )
end
function pubsub_configure_node ( to, node )
local conn = lm.connection.bless ( main.connection () )
conn:send (
lm.message.create { mtype = 'iq-get', to = to,
pubsub = { xmlns = 'http://jabber.org/protocol/pubsub#owner',
configure = { node = node },
},
},
function ( conn, mess )
local mtype, smtype = mess:type ()
if smtype == 'result' then
local x = mess:path ( 'pubsub', 'configure', 'x' )
if x then
local fid = parse_form ( x )
forms[fid].send =
function ( form )
conn:send (
lm.message.create { mtype = 'iq-set', to = to,
pubsub = { xmlns = 'http://jabber.org/protocol/pubsub#owner',
configure = { node = node,
x = { xmlns = 'jabber:x:data', type = 'submit',
field = form.val,
},
},
},
},
function ( conn, mess )
local mt, st = mess:type ()
if st == 'result' then
main.print_info ( to, 'Now you can run /form del ' .. fid .. ' to delete form from list' )
form.status = 'acquired'
elseif st == 'error' then
main.print_info ( to, 'Got non-successful response to form:\n' .. mess:xml () )
form.status = 'rejected'
else
print ( 'Weird response to submitted form:\n' .. mess:xml () )
form.status = 'unknown'
return false
end
return true
end )
form.status = 'sent'
end
forms[fid].status = 'filling'
main.print_info ( to, 'You have new form. To fill it, use /form ' .. fid .. ' fieldname value' )
else
main.print_info ( to, 'Weird, no error and no node configuration form: ' .. mess:xml () )
end
return true
elseif smtype == 'error' then
main.print_info ( to, 'Error response for node configuration request: ' .. mess:xml () ) -- FIXME
return true
else
print ( 'Weird response for node configuration request: ' .. mess:xml () )
return false
end
end )
end
function pubsub_list_subscriptions ( to, node )
local conn = lm.connection.bless ( main.connection () )
conn:send (
lm.message.create { mtype = 'iq-get', to = to,
pubsub = { xmlns = 'http://jabber.org/protocol/pubsub#owner',
subscriptions = { node = node },
},
},
function ( conn, mess )
local mtype, smtype = mess:type ()
if smtype == 'result' then
local s = mess:path ( 'pubsub', 'subscriptions' )
if s then
local sub = s:children ()
main.print_info ( to, "List of subscriptions for node " .. node )
while sub do
local subid = sub:attribute ( 'subid' ) or 'unspecified'
main.print_info ( to, ("%s is %s (id %s)"):format ( sub:attribute ( 'jid' ), sub:attribute ( 'subscription' ), subid ) )
sub = sub:next ()
end
else
main.print_info ( to, 'Weird response to node subscription list request: ' .. mess:xml () )
end
return true
elseif smtype == 'error' then
main.print_info ( to, 'Error response for node subscription list request: ' .. mess:xml () ) -- FIXME
return true
else
print ( 'Weird response for node subscription list request: ' .. mess:xml () )
return false
end
end )
end
function pubsub_modify_subscription ( to, node, who, state, id )
local conn = lm.connection.bless ( main.connection () )
conn:send (
lm.message.create { mtype = 'iq-get', to = to,
pubsub = { xmlns = 'http://jabber.org/protocol/pubsub#owner',
subscriptions = { node = node,
subscription = { jid = who, subscription = state, id = id },
},
},
},
function ( conn, mess )
local mtype, smtype = mess:type ()
if smtype == 'result' then
main.print_info ( to, ('Subscription of %s to %s is successfully set to %s (id %s)'):format ( who, node, state, id or 'unspecified' ) )
return true
elseif smtype == 'error' then
main.print_info ( to, 'Error response for node subscription list request: ' .. mess:xml () ) -- FIXME
return true
else
print ( 'Weird response for node subscription list request: ' .. mess:xml () )
return false
end
end )
end
-- INTERFACE
main.command ( 'node',
function ( args )
args = main.parse_args ( args )
local who, action, node = args.t, args[1], args[2]
if not who then
who = main.current_buddy ()
end
if action == 'subscribe' then
pubsub_subscribe ( who, node )
elseif action == 'unsubscribe' then
pubsub_unsubscribe ( who, node )
elseif action == 'retrieve' or action == 'items' or action == 'get' then
pubsub_retrieve ( who, node,
function ( item )
main.print_to ( who, item:xml () )
end, args.m )
elseif action == 'create' or action == 'new' then
pubsub_create_node ( who, node )
elseif action == 'delete' or action == 'del' then
pubsub_delete_node ( who, node )
elseif action == 'purge' or action == 'del_items' then
pubsub_purge_node ( who, node )
elseif action:sub ( 1, 4 ) == 'conf' then
pubsub_configure_node ( who, node )
elseif action == 'subscriptions' or action == 'subscribers' then
pubsub_list_subscriptions ( who, node )
elseif action == 'subscription' or action == 'modify' then -- XXX
pubsub_modify_subscription ( args.t or main.current_buddy (), node, args[3], args[4], args[5] )
else
print ( 'Error: unknown action' )
end
end )
-- FIXME
commands_help['node'] = "[-t jid] [-m max_items] action [node_name]\n\nAction can be subscribe, unsubscribe, retrieve (items, get), create (new), delete (del), purge (del_items), configure (conf*), subscriptions (subscribers), subscription (modify?)"
--[[
commands_help['subscribe'] = "[-t jid] node_name\n\nSends pubsub subscription request to specified node of jid or current buddy."
commands_help['unsubscribe'] = "[-t jid] node_name\n\nSends pubsub unsubscription request to specified node of jid or current buddy."
commands_help['retrieve'] = "[-t jid] [-m max_items] node_name\n\nSends pubsub items retrieval request to specified node of jid or current buddy.\nNote, that we cannot know, how to deal with these itemss, so, raw xml will be printed as a result."
commands_help['create_node'] = "[-t jid] [node_name]\n\nSends pubsub node creation request to specified node of jid or current buddy. If node name is not specified, server can generate unique id for it, if supported."
commands_help['configure_node'] = "[-t jid] node_name\n\nSends pubsub node configuration request to specified node of jid or current buddy."
commands_help['delete_node'] = "[-t jid] node_name\n\nSends pubsub node deletion request to specified node of jid or current buddy."
commands_help['purge_node'] = "[-t jid] node_name\n\nSends pubsub node items purging request to specified node of jid or current buddy."
commands_help['subscriptions'] = "[-t jid] node_name\n\nSends pubsub subscription list request to specified node of jid or current buddy."
commands_help['subscription'] = "[-t jid] node_name subscriber_jid state [subscription_id]\n\nSends pubsub subscription modification request to change subscription state of 'subscriber_jid' to 'state'. Optional id is used when multiple subscriptions for one jid are available."
--]]
-- vim: se ts=4: --