--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/util/xmlrpc.lua Wed Mar 04 22:10:27 2009 +0500
@@ -0,0 +1,163 @@
+-- Prosody IM v0.3
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+
+local pairs = pairs;
+local type = type;
+local error = error;
+local t_concat = table.concat;
+local t_insert = table.insert;
+local tostring = tostring;
+local tonumber = tonumber;
+local st = require "util.stanza";
+
+module "xmlrpc"
+
+local _lua_to_xmlrpc;
+local map = {
+ table=function(stanza, object)
+ stanza:tag("struct");
+ for name, value in pairs(object) do
+ stanza:tag("member");
+ stanza:tag("name"):text(tostring(name)):up();
+ stanza:tag("value");
+ _lua_to_xmlrpc(stanza, value);
+ stanza:up();
+ stanza:up();
+ end
+ stanza:up();
+ end;
+ boolean=function(stanza, object)
+ stanza:tag("boolean"):text(object and "1" or "0"):up();
+ end;
+ string=function(stanza, object)
+ stanza:tag("string"):text(object):up();
+ end;
+ number=function(stanza, object)
+ stanza:tag("int"):text(tostring(object)):up();
+ end;
+};
+_lua_to_xmlrpc = function(stanza, object)
+ local h = map[type(object)];
+ if h then
+ h(stanza, object);
+ else
+ error("Type not supported by XML-RPC: " .. type(object));
+ end
+end
+function create_response(object)
+ local stanza = st.stanza("methodResponse"):tag("params"):tag("param"):tag("value");
+ _lua_to_xmlrpc(stanza, object);
+ stanza:up():up():up();
+ return stanza;
+end
+function create_error_response(faultCode, faultString)
+ local stanza = st.stanza("methodResponse"):tag("fault"):tag("value");
+ _lua_to_xmlrpc(stanza, {faultCode=faultCode, faultString=faultString});
+ stanza:up():up();
+ return stanza;
+end
+
+
+local _xmlrpc_to_lua;
+local int_parse = function(stanza)
+ if #stanza.tags ~= 0 or #stanza == 0 then error("<"..stanza.name.."> must have a single text child"); end
+ local n = tonumber(t_concat(stanza));
+ if n then return n; end
+ error("Failed to parse content of <"..stanza.name..">");
+end
+local rmap = {
+ methodCall=function(stanza)
+ if #stanza.tags ~= 2 then error("<methodCall> must have exactly two subtags"); end -- FIXME <params> is optional
+ if stanza.tags[1].name ~= "methodName" then error("First <methodCall> child tag must be <methodName>") end
+ if stanza.tags[2].name ~= "params" then error("Second <methodCall> child tag must be <params>") end
+ return _xmlrpc_to_lua(stanza.tags[1]), _xmlrpc_to_lua(stanza.tags[2]);
+ end;
+ methodName=function(stanza)
+ if #stanza.tags ~= 0 then error("<methodName> must not have any subtags"); end
+ if #stanza == 0 then error("<methodName> must have text content"); end
+ return t_concat(stanza);
+ end;
+ params=function(stanza)
+ local t = {};
+ for _, child in pairs(stanza.tags) do
+ if child.name ~= "param" then error("<params> can only have <param> children"); end;
+ t_insert(t, _xmlrpc_to_lua(child));
+ end
+ return t;
+ end;
+ param=function(stanza)
+ if not(#stanza.tags == 1 and stanza.tags[1].name == "value") then error("<param> must have exactly one <value> child"); end
+ return _xmlrpc_to_lua(stanza.tags[1]);
+ end;
+ value=function(stanza)
+ if #stanza.tags == 0 then return t_concat(stanza); end
+ if #stanza.tags ~= 1 then error("<value> must have a single child"); end
+ return _xmlrpc_to_lua(stanza.tags[1]);
+ end;
+ int=int_parse;
+ i4=int_parse;
+ double=int_parse;
+ boolean=function(stanza)
+ if #stanza.tags ~= 0 or #stanza == 0 then error("<boolean> must have a single text child"); end
+ local b = t_concat(stanza);
+ if b ~= "1" and b ~= "0" then error("Failed to parse content of <boolean>"); end
+ return b == "1" and true or false;
+ end;
+ string=function(stanza)
+ if #stanza.tags ~= 0 then error("<string> must have a single text child"); end
+ return t_concat(stanza);
+ end;
+ array=function(stanza)
+ if #stanza.tags ~= 1 then error("<array> must have a single <data> child"); end
+ return _xmlrpc_to_lua(stanza.tags[1]);
+ end;
+ data=function(stanza)
+ local t = {};
+ for _,child in pairs(stanza.tags) do
+ if child.name ~= "value" then error("<data> can only have <value> children"); end
+ t_insert(t, _xmlrpc_to_lua(child));
+ end
+ return t;
+ end;
+ struct=function(stanza)
+ local t = {};
+ for _,child in pairs(stanza.tags) do
+ if child.name ~= "member" then error("<struct> can only have <member> children"); end
+ local name, value = _xmlrpc_to_lua(child);
+ t[name] = value;
+ end
+ return t;
+ end;
+ member=function(stanza)
+ if #stanza.tags ~= 2 then error("<member> must have exactly two subtags"); end -- FIXME <params> is optional
+ if stanza.tags[1].name ~= "name" then error("First <member> child tag must be <name>") end
+ if stanza.tags[2].name ~= "value" then error("Second <member> child tag must be <value>") end
+ return _xmlrpc_to_lua(stanza.tags[1]), _xmlrpc_to_lua(stanza.tags[2]);
+ end;
+ name=function(stanza)
+ if #stanza.tags ~= 0 then error("<name> must have a single text child"); end
+ local n = t_concat(stanza)
+ if tostring(tonumber(n)) == n then n = tonumber(n); end
+ return n;
+ end;
+}
+_xmlrpc_to_lua = function(stanza)
+ local h = rmap[stanza.name];
+ if h then
+ return h(stanza);
+ else
+ error("Unknown element: "..stanza.name);
+ end
+end
+function translate_request(stanza)
+ if stanza.name ~= "methodCall" then error("XML-RPC requests must have <methodCall> as root element"); end
+ return _xmlrpc_to_lua(stanza);
+end
+
+return _M;