diff options
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/adhoc/adhoc.lib.lua | 78 | ||||
| -rw-r--r-- | plugins/adhoc/mod_adhoc.lua | 67 |
2 files changed, 145 insertions, 0 deletions
diff --git a/plugins/adhoc/adhoc.lib.lua b/plugins/adhoc/adhoc.lib.lua new file mode 100644 index 00000000..6193cafd --- /dev/null +++ b/plugins/adhoc/adhoc.lib.lua @@ -0,0 +1,78 @@ +local st, uuid = require "util.stanza", require "util.uuid"; + +local xmlns_cmd = "http://jabber.org/protocol/commands"; + +local states = {} + +local _M = {}; + +function _cmdtag(desc, status, sessionid, action) + local cmd = st.stanza("command", { xmlns = xmlns_cmd, node = desc.node, status = status }); + if sessionid then cmd.attr.sessionid = sessionid; end + if action then cmd.attr.action = action; end + + return cmd; +end + +function _M.new(name, node, handler, permission) + return { name = name, node = node, handler = handler, cmdtag = _cmdtag, permission = (permission or "user") }; +end + +function _M.handle_cmd(command, origin, stanza) + local sessionid = stanza.tags[1].attr.sessionid or uuid.generate(); + local dataIn = {}; + dataIn.to = stanza.attr.to; + dataIn.from = stanza.attr.from; + dataIn.action = stanza.tags[1].attr.action or "execute"; + dataIn.form = stanza.tags[1]:child_with_ns("jabber:x:data"); + + local data, state = command:handler(dataIn, states[sessionid]); + states[sessionid] = state; + local stanza = st.reply(stanza); + if data.status == "completed" then + states[sessionid] = nil; + cmdtag = command:cmdtag("completed", sessionid); + elseif data.status == "canceled" then + states[sessionid] = nil; + cmdtag = command:cmdtag("canceled", sessionid); + elseif data.status == "error" then + states[sessionid] = nil; + stanza = st.error_reply(stanza, data.error.type, data.error.condition, data.error.message); + cmdtag = command:cmdtag("canceled", sessionid); + else + cmdtag = command:cmdtag("executing", sessionid); + end + + for name, content in pairs(data) do + if name == "info" then + cmdtag:tag("note", {type="info"}):text(content):up(); + elseif name == "warn" then + cmdtag:tag("note", {type="warn"}):text(content):up(); + elseif name == "error" then + cmdtag:tag("note", {type="error"}):text(content.message):up(); + elseif name =="actions" then + local actions = st.stanza("actions"); + for _, action in ipairs(content) do + if (action == "prev") or (action == "next") or (action == "complete") then + actions:tag(action):up(); + else + module:log("error", 'Command "'..command.name.. + '" at node "'..command.node..'" provided an invalid action "'..action..'"'); + end + end + cmdtag:add_child(actions); + elseif name == "form" then + cmdtag:add_child(content:form()); + elseif name == "result" then + cmdtag:add_child(content.layout:form(content.data, "result")); + elseif name == "other" then + cmdtag:add_child(content); + end + end + stanza:add_child(cmdtag); + origin.send(stanza); + + return true; +end + +return _M; diff --git a/plugins/adhoc/mod_adhoc.lua b/plugins/adhoc/mod_adhoc.lua new file mode 100644 index 00000000..6a5165ed --- /dev/null +++ b/plugins/adhoc/mod_adhoc.lua @@ -0,0 +1,67 @@ +-- Copyright (C) 2009 Thilo Cestonaro +-- +-- This file is MIT/X11 licensed. Please see the +-- COPYING file in the source package for more information. +-- + +local st = require "util.stanza"; +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.."#items:query", function (event) + local origin, stanza = event.origin, event.stanza; + -- TODO: Is this correct, or should is_admin be changed? + local privileged = is_admin(stanza.attr.from) + or is_admin(stanza.attr.from, stanza.attr.to); + if stanza.attr.type == "get" and stanza.tags[1].attr.node + and stanza.tags[1].attr.node == xmlns_cmd then + reply = st.reply(stanza); + reply:tag("query", { xmlns = xmlns_disco.."#items", + node = xmlns_cmd }); + for node, command in pairs(commands) do + if (command.permission == "admin" and privileged) + 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", function (event) + local origin, stanza = event.origin, event.stanza; + if stanza.attr.type == "set" and stanza.tags[1] + and stanza.tags[1].name == "command" then + local node = stanza.tags[1].attr.node + -- TODO: Is this correct, or should is_admin be changed? + local privileged = is_admin(event.stanza.attr.from) + or is_admin(stanza.attr.from, stanza.attr.to); + if commands[node] then + if commands[node].permission == "admin" + and not privileged 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); + +module:hook("item-added/adhoc", function (event) + commands[event.item.node] = event.item; +end, 500); + +module:hook("item-removed/adhoc", function (event) + commands[event.item.node] = nil; +end, 500); |