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-- Copyright (C) 2009 Thilo Cestonaro
-- Copyright (C) 2009-2011 Florian Zeitz
--
-- This file is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local it = require "prosody.util.iterators";
local st = require "prosody.util.stanza";
local jid_host = require "prosody.util.jid".host;
local adhoc_handle_cmd = module:require "adhoc".handle_cmd;
local xmlns_cmd = "http://jabber.org/protocol/commands";
local commands = {};
module:add_feature(xmlns_cmd);
local function check_permissions(event, node, command, execute)
return (command.permission == "check" and module:may("adhoc:"..node, event, not execute))
or (command.permission == "local_user" and jid_host(event.stanza.attr.from) == module.host)
or (command.permission == "any");
end
module:hook("host-disco-info-node", function (event)
local stanza, origin, reply, node = event.stanza, event.origin, event.reply, event.node;
if commands[node] then
local command = commands[node];
if check_permissions(event, node, command) then
reply:tag("identity", { name = command.name,
category = "automation", type = "command-node" }):up();
reply:tag("feature", { var = xmlns_cmd }):up();
reply:tag("feature", { var = "jabber:x:data" }):up();
event.exists = true;
else
origin.send(st.error_reply(stanza, "auth", "forbidden", "This item is not available to you"));
return true;
end
elseif node == xmlns_cmd then
reply:tag("identity", { name = "Ad-Hoc Commands",
category = "automation", type = "command-list" }):up();
event.exists = true;
end
end);
module:hook("host-disco-items-node", function (event)
local reply, disco_node = event.reply, event.node;
if disco_node ~= xmlns_cmd then
return;
end
for node, command in it.sorted_pairs(commands) do
if check_permissions(event, node, command) then
reply:tag("item", { name = command.name,
node = node, jid = module:get_host() });
reply:up();
end
end
event.exists = true;
end);
module:hook("iq-set/host/"..xmlns_cmd..":command", function (event)
local origin, stanza = event.origin, event.stanza;
local node = stanza.tags[1].attr.node
local command = commands[node];
if command then
if not check_permissions(event, node, command, true) then
origin.send(st.error_reply(stanza, "auth", "forbidden", "You don't have permission to execute this command"):up()
:add_child(command:cmdtag("canceled")
:tag("note", {type="error"}):text("You don't have permission to execute this command")));
return true
end
-- User has permission now execute the command
adhoc_handle_cmd(command, origin, stanza);
return true;
end
end, 500);
local function adhoc_added(event)
local item = event.item;
-- Dang this was noisy
module:log("debug", "Command added by mod_%s: %q, %q", item._provided_by or "<unknown module>", item.name, item.node);
commands[item.node] = item;
end
local function adhoc_removed(event)
commands[event.item.node] = nil;
end
module:handle_items("adhoc", adhoc_added, adhoc_removed); -- COMPAT pre module:provides() introduced in 0.9
module:handle_items("adhoc-provider", adhoc_added, adhoc_removed);
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