86 lines
2.7 KiB
Lua
86 lines
2.7 KiB
Lua
-- Copyright (C) 2009-2010 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 st, uuid = require "util.stanza", require "util.uuid";
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local xmlns_cmd = "http://jabber.org/protocol/commands";
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local states = {}
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local _M = {};
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function _cmdtag(desc, status, sessionid, action)
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local cmd = st.stanza("command", { xmlns = xmlns_cmd, node = desc.node, status = status });
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if sessionid then cmd.attr.sessionid = sessionid; end
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if action then cmd.attr.action = action; end
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return cmd;
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end
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function _M.new(name, node, handler, permission)
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return { name = name, node = node, handler = handler, cmdtag = _cmdtag, permission = (permission or "user") };
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end
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function _M.handle_cmd(command, origin, stanza)
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local sessionid = stanza.tags[1].attr.sessionid or uuid.generate();
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local dataIn = {};
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dataIn.to = stanza.attr.to;
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dataIn.from = stanza.attr.from;
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dataIn.action = stanza.tags[1].attr.action or "execute";
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dataIn.form = stanza.tags[1]:child_with_ns("jabber:x:data");
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local data, state = command:handler(dataIn, states[sessionid]);
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states[sessionid] = state;
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local stanza = st.reply(stanza);
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if data.status == "completed" then
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states[sessionid] = nil;
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cmdtag = command:cmdtag("completed", sessionid);
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elseif data.status == "canceled" then
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states[sessionid] = nil;
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cmdtag = command:cmdtag("canceled", sessionid);
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elseif data.status == "error" then
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states[sessionid] = nil;
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stanza = st.error_reply(stanza, data.error.type, data.error.condition, data.error.message);
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origin.send(stanza);
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return true;
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else
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cmdtag = command:cmdtag("executing", sessionid);
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end
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for name, content in pairs(data) do
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if name == "info" then
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cmdtag:tag("note", {type="info"}):text(content):up();
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elseif name == "warn" then
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cmdtag:tag("note", {type="warn"}):text(content):up();
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elseif name == "error" then
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cmdtag:tag("note", {type="error"}):text(content.message):up();
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elseif name =="actions" then
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local actions = st.stanza("actions");
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for _, action in ipairs(content) do
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if (action == "prev") or (action == "next") or (action == "complete") then
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actions:tag(action):up();
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else
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module:log("error", 'Command "'..command.name..
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'" at node "'..command.node..'" provided an invalid action "'..action..'"');
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end
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end
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cmdtag:add_child(actions);
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elseif name == "form" then
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cmdtag:add_child((content.layout or content):form(content.values));
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elseif name == "result" then
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cmdtag:add_child((content.layout or content):form(content.values, "result"));
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elseif name == "other" then
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cmdtag:add_child(content);
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end
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end
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stanza:add_child(cmdtag);
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origin.send(stanza);
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return true;
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end
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return _M;
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