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-rw-r--r--plugins/adhoc/adhoc.lib.lua78
-rw-r--r--plugins/adhoc/mod_adhoc.lua67
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);