author | Florian Zeitz <florob@babelmonkeys.de> |
Wed, 01 Sep 2010 22:44:30 +0200 | |
changeset 3484 | 66910810a9f7 |
parent 3346 | c9294e190bb6 |
child 3540 | bc139431830b |
permissions | -rw-r--r-- |
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-- 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; |