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-rw-r--r--plugins/adhoc/adhoc.lib.lua87
1 files changed, 87 insertions, 0 deletions
diff --git a/plugins/adhoc/adhoc.lib.lua b/plugins/adhoc/adhoc.lib.lua
new file mode 100644
index 00000000..ecddcd1d
--- /dev/null
+++ b/plugins/adhoc/adhoc.lib.lua
@@ -0,0 +1,87 @@
+-- Copyright (C) 2009-2010 Florian Zeitz
+--
+-- This file is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+local st, uuid = require "util.stanza", require "util.uuid";
+
+local xmlns_cmd = "http://jabber.org/protocol/commands";
+
+local states = {}
+
+local _M = {};
+
+local 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);
+ local cmdtag;
+ 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);
+ origin.send(stanza);
+ return true;
+ else
+ cmdtag = command:cmdtag("executing", sessionid);
+ data.actions = data.actions or { "complete" };
+ 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", { execute = content.default });
+ 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 %q at node %q provided an invalid action %q",
+ command.name, command.node, action);
+ end
+ end
+ cmdtag:add_child(actions);
+ elseif name == "form" then
+ cmdtag:add_child((content.layout or content):form(content.values));
+ elseif name == "result" then
+ cmdtag:add_child((content.layout or content):form(content.values, "result"));
+ elseif name == "other" then
+ cmdtag:add_child(content);
+ end
+ end
+ stanza:add_child(cmdtag);
+ origin.send(stanza);
+
+ return true;
+end
+
+return _M;