diff --git a/ddportfolioservice/controllers/ddportfolio.py b/ddportfolioservice/controllers/ddportfolio.py
index d578f18..0c1e7f6 100644
--- a/ddportfolioservice/controllers/ddportfolio.py
+++ b/ddportfolioservice/controllers/ddportfolio.py
@@ -26,6 +26,7 @@ import simplejson
 from ddportfolioservice.lib.base import *
 from ddportfolioservice.model.form import *
 from ddportfolioservice.model.urlbuilder import *
+from ddportfolioservice.model import dddatabuilder
 
 log = logging.getLogger(__name__)
 
@@ -115,7 +116,7 @@ developer name on all bug logs)'),
 
     def urllist(self):
         """Handle the actual data."""
-        schema = DeveloperData()
+        schema = DDDataRequest()
         try:
             formencode.api.set_stdtranslation(
                 domain="FormEncode",
@@ -124,9 +125,31 @@ developer name on all bug logs)'),
         except formencode.validators.Invalid, error:
             c.messages = { 'errors' : error.unpack_errors() }
             return render('/showform.mako')
-        data = build_urls(form_result)
-        if 'mode' in request.params and request.params['mode'] == 'json':
-            response.headers['Content-Type'] = 'text/json'
+        fields = dddatabuilder.build_data(form_result['email'])
+        rp = request.params.copy()
+        if fields['isdd']:
+            for tuple in (('name', 'name'),
+                          ('gpgfp', 'gpgfp'),
+                          ('username', 'username'),
+                          ('aliothusername', 'username'),
+                          ('nonddemail', 'email')):
+                if not tuple[0] in rp or not rp[tuple[0]]:
+                    rp[tuple[0]] = fields[tuple[1]]
+            if not 'mode' in rp or not rp['mode']:
+                rp['mode'] = 'json'
+
+        schema = DeveloperData()
+        try:
+            formencode.api.set_stdtranslation(
+                domain="FormEncode",
+                languages=[lang[0:2] for lang in request.languages])
+            form_result = schema.to_python(rp)
+        except formencode.validators.Invalid, error:
+            c.messages = { 'errors' : error.unpack_errors() }
+            return render('/showform.mako')
+        data = build_urls(rp)
+        if 'mode' in rp and rp['mode'] == 'json':
+            response.headers['Content-Type'] = 'text/javascript'
             return simplejson.dumps(
                 dict([("%s.%s" % \
                            (entry[1], entry[2]), entry[3]) \
diff --git a/ddportfolioservice/controllers/showformscripts.py b/ddportfolioservice/controllers/showformscripts.py
index 72a0aeb..22f80e9 100644
--- a/ddportfolioservice/controllers/showformscripts.py
+++ b/ddportfolioservice/controllers/showformscripts.py
@@ -25,8 +25,7 @@ import simplejson
 
 from ddportfolioservice.lib.base import *
 from ddportfolioservice.model.form import *
-from ddportfolioservice.model import keyfinder
-from webob.exc import HTTPBadRequest
+from ddportfolioservice.model import dddatabuilder
 
 log = logging.getLogger(__name__)
 
@@ -53,17 +52,7 @@ class ShowformscriptsController(BaseController):
             errors = error.unpack_errors()
             abort(400, "\n".join(
                     ["%s: %s" % (key, errors[key]) for key in errors]))
-        
-        fields = dict([(field, func(str(form_result['email']))) \
-                           for (field, func) in \
-                           [('gpgfp', keyfinder.getFingerprintByEmail),
-                            ('name', keyfinder.getRealnameByEmail),
-                            ('username', keyfinder.getLoginByEmail)]])
-        fields['email'] = form_result['email']
-        if fields['username'] and fields['gpgfp'] and fields['name']:
-            fields['isdd'] = 1
-        else:
-            fields['isdd'] = 0
+        fields = dddatabuilder.build_data(form_result['email'])
         log.debug(fields)
         response.headers['Content-Type'] = 'text/plain'
         return simplejson.dumps(fields)
diff --git a/ddportfolioservice/model/dddatabuilder.py b/ddportfolioservice/model/dddatabuilder.py
new file mode 100644
index 0000000..455ad35
--- /dev/null
+++ b/ddportfolioservice/model/dddatabuilder.py
@@ -0,0 +1,38 @@
+# -*- python -*-
+# -*- coding: utf-8 -*-
+#
+# DDPortfolio service DD data builder
+# Copyright (c) 2009 Jan Dittberner <jan@dittberner.info>
+#
+# This file is part of DDPortfolio service.
+#
+# DDPortfolio service is free software: you can redistribute it and/or
+# modify it under the terms of the GNU Affero General Public License
+# as published by the Free Software Foundation, either version 3 of
+# the License, or (at your option) any later version.
+#
+# DDPortfolio service is distributed in the hope that it will be
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public
+# License along with this program.  If not, see
+# <http://www.gnu.org/licenses/>.
+#
+from ddportfolioservice.model import keyfinder
+
+
+def build_data(email_address):
+    """Build a DD data structure from a given email address."""
+    fields = dict([(field, func(str(email_address))) \
+                       for (field, func) in \
+                       [('gpgfp', keyfinder.getFingerprintByEmail),
+                        ('name', keyfinder.getRealnameByEmail),
+                        ('username', keyfinder.getLoginByEmail)]])
+    fields['email'] = email_address
+    if fields['username'] and fields['gpgfp'] and fields['name']:
+        fields['isdd'] = 1
+    else:
+        fields['isdd'] = 0
+    return fields
diff --git a/ddportfolioservice/model/form.py b/ddportfolioservice/model/form.py
index ecd0a03..b88640c 100644
--- a/ddportfolioservice/model/form.py
+++ b/ddportfolioservice/model/form.py
@@ -38,5 +38,6 @@ class DeveloperData(formencode.Schema):
 
 class DDDataRequest(formencode.Schema):
     """Validation schema for DDData request."""
-    allow_extra_fields = False
+    allow_extra_fields = True
+    filter_extra_fields = False
     email = formencode.validators.Email(not_empty=True)
diff --git a/ddportfolioservice/model/keyfinder.py b/ddportfolioservice/model/keyfinder.py
index f70566c..59318e1 100644
--- a/ddportfolioservice/model/keyfinder.py
+++ b/ddportfolioservice/model/keyfinder.py
@@ -42,7 +42,7 @@ def _get_keyring_cache():
 def _get_cached(cachekey):
     cache = _get_keyring_cache()
     if cachekey in cache:
-        return cache[cachekey].split(':')
+        return cache[cachekey]
     return None
 
 def getFingerprintByEmail(email):