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