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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 st = require "util.stanza";
local keys = require "util.iterators".keys;
local array_collect = require "util.array".collect;
local is_admin = require "core.usermanager".is_admin;
local adhoc_handle_cmd = module:require "adhoc".handle_cmd;
local xmlns_cmd = "http://jabber.org/protocol/commands";
local xmlns_disco = "http://jabber.org/protocol/disco";
local commands = {};
module:add_feature(xmlns_cmd);
module:hook("iq/host/"..xmlns_disco.."#info:query", function (event)
local origin, stanza = event.origin, event.stanza;
local node = stanza.tags[1].attr.node;
if stanza.attr.type == "get" and node then
if commands[node] then
local privileged = is_admin(stanza.attr.from, stanza.attr.to);
if (commands[node].permission == "admin" and privileged)
or (commands[node].permission == "user") then
reply = st.reply(stanza);
reply:tag("query", { xmlns = xmlns_disco.."#info",
node = node });
reply:tag("identity", { name = commands[node].name,
category = "automation", type = "command-node" }):up();
reply:tag("feature", { var = xmlns_cmd }):up();
reply:tag("feature", { var = "jabber:x:data" }):up();
else
reply = st.error_reply(stanza, "auth", "forbidden", "This item is not available to you");
end
origin.send(reply);
return true;
elseif node == xmlns_cmd then
reply = st.reply(stanza);
reply:tag("query", { xmlns = xmlns_disco.."#info",
node = node });
reply:tag("identity", { name = "Ad-Hoc Commands",
category = "automation", type = "command-list" }):up();
origin.send(reply);
return true;
end
end
end);
module:hook("iq/host/"..xmlns_disco.."#items:query", function (event)
local origin, stanza = event.origin, event.stanza;
if stanza.attr.type == "get" and stanza.tags[1].attr.node
and stanza.tags[1].attr.node == xmlns_cmd then
local admin = is_admin(stanza.attr.from, stanza.attr.to);
local global_admin = is_admin(stanza.attr.from);
reply = st.reply(stanza);
reply:tag("query", { xmlns = xmlns_disco.."#items",
node = xmlns_cmd });
local nodes = array_collect(keys(commands)):sort();
for _, node in ipairs(nodes) do
local command = commands[node];
if (command.permission == "admin" and admin)
or (command.permission == "global_admin" and global_admin)
or (command.permission == "user") then
reply:tag("item", { name = command.name,
node = node, jid = module:get_host() });
reply:up();
end
end
origin.send(reply);
return true;
end
end, 500);
module:hook("iq/host/"..xmlns_cmd..":command", function (event)
local origin, stanza = event.origin, event.stanza;
if stanza.attr.type == "set" then
local node = stanza.tags[1].attr.node
if commands[node] then
local admin = is_admin(stanza.attr.from, stanza.attr.to);
local global_admin = is_admin(stanza.attr.from);
if (commands[node].permission == "admin" and not admin)
or (commands[node].permission == "global_admin" and not global_admin) then
origin.send(st.error_reply(stanza, "auth", "forbidden", "You don't have permission to execute this command"):up()
:add_child(commands[node]: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
return adhoc_handle_cmd(commands[node], origin, stanza);
end
end
end, 500);
local function adhoc_added(event)
local item = event.item;
commands[item.node] = item;
end
local function adhoc_removed(event)
commands[event.item.node] = nil;
end
module:handle_items("adhoc", adhoc_added, adhoc_removed);
module:handle_items("adhoc-provider", adhoc_added, adhoc_removed);
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