astakos: WIP move all api calls under ``/astakos/api``

Refs: #3340

Changelog

@@ -14,16 +14,12 @@ v0.13next
 
 Released: UNRELEASED
 
-* Incorporate quotaholder in astakos
-  * obsolete settings:
-    PITHOS_USE_QUOTAHOLDER, PITHOS_QUOTAHOLDER_URL, PITHOS_QUOTAHOLDER_TOKEN
-  * new settins:
-    PITHOS_ASTAKOSCLIENT_POOLSIZE
-
 Synnefo-wide
 ------------
 * Create 'snf_django' Python package to hold common code for all Synnefo
   components.
+* CLOUDBAR_SERVICES_URL should point to /astakos/api/get_services
+* CLOUDBAR_MENU_URL should point to /astakos/api/get_menu
 
 Astakos
 -------
@@ -51,6 +47,8 @@ Pithos
   astakos users.
 * Remove 'PITHOS_USER_CATALOG_URL', 'PITHOS_USER_FEEDBACK_URL' and
   'PITHOS_USER_LOGIN_URL' settings.
+* Remove PITHOS_USE_QUOTAHOLDER, PITHOS_QUOTAHOLDER_URL,
+  PITHOS_QUOTAHOLDER_TOKEN and PITHOS_ASTAKOSCLIENT_POOLSIZE
 
 Tools
 -----

astakosclient/astakosclient/__init__.py

@@ -173,7 +173,7 @@ class AstakosClient():
             raise InvalidResponse(str(err), data)
 
     # ------------------------
-    # GET /im/authenticate
+    # GET /astakos/api/authenticate
     def get_user_info(self, token, usage=False):
         """Authenticate user and get user's info as a dictionary
 
@@ -186,13 +186,13 @@ class AstakosClient():
 
         """
         # Send request
-        auth_path = "/im/authenticate"
+        auth_path = "/astakos/api/authenticate"
         if usage:
             auth_path += "?usage=1"
         return self._call_astakos(token, auth_path)
 
     # ----------------------------------
-    # POST /user_catalogs (or /service/api/user_catalogs)
+    # POST /astakos/api/user_catalogs (or /astakos/api/service/user_catalogs)
     #   with {'uuids': uuids}
     def _uuid_catalog(self, token, uuids, req_path):
         req_headers = {'content-type': 'application/json'}
@@ -218,7 +218,7 @@ class AstakosClient():
         keys and the corresponding user names as values
 
         """
-        req_path = "/user_catalogs"
+        req_path = "/astakos/api/user_catalogs"
         return self._uuid_catalog(token, uuids, req_path)
 
     def get_username(self, token, uuid):
@@ -232,7 +232,7 @@ class AstakosClient():
 
     def service_get_usernames(self, token, uuids):
         """Return a uuid_catalog dict using a service's token"""
-        req_path = "/service/api/user_catalogs"
+        req_path = "/astakos/api/service/user_catalogs"
         return self._uuid_catalog(token, uuids, req_path)
 
     def service_get_username(self, token, uuid):
@@ -245,7 +245,7 @@ class AstakosClient():
             raise NoUserName(uuid)
 
     # ----------------------------------
-    # POST /user_catalogs (or /service/api/user_catalogs)
+    # POST /astakos/api/user_catalogs (or /astakos/api/service/user_catalogs)
     #   with {'displaynames': display_names}
     def _displayname_catalog(self, token, display_names, req_path):
         req_headers = {'content-type': 'application/json'}
@@ -271,7 +271,7 @@ class AstakosClient():
         the names as keys and the corresponding uuids as values
 
         """
-        req_path = "/user_catalogs"
+        req_path = "/astakos/api/user_catalogs"
         return self._displayname_catalog(token, display_names, req_path)
 
     def get_uuid(self, token, display_name):
@@ -285,7 +285,7 @@ class AstakosClient():
 
     def service_get_uuids(self, token, display_names):
         """Return a display_name catalog using a service's token"""
-        req_path = "/service/api/user_catalogs"
+        req_path = "/astakos/api/service/user_catalogs"
         return self._displayname_catalog(token, display_names, req_path)
 
     def service_get_uuid(self, token, display_name):
@@ -298,10 +298,10 @@ class AstakosClient():
             raise NoUUID(display_name)
 
     # ----------------------------------
-    # GET "/im/get_services"
+    # GET "/astakos/api/get_services"
     def get_services(self):
         """Return a list of dicts with the registered services"""
-        return self._call_astakos(None, "/im/get_services")
+        return self._call_astakos(None, "/astakos/api/get_services")
 
     # ----------------------------------
     # GET "/astakos/api/resources"

astakosclient/astakosclient/tests.py

@@ -108,9 +108,9 @@ def _request_status_400(conn, method, url, **kwargs):
 
 def _request_ok(conn, method, url, **kwargs):
     """This request behaves like original Astakos does"""
-    if url.startswith("/im/authenticate"):
+    if url.startswith("/astakos/api/authenticate"):
         return _req_authenticate(conn, method, url, **kwargs)
-    elif url.startswith("/user_catalogs"):
+    elif url.startswith("/astakos/api/user_catalogs"):
         return _req_catalogs(conn, method, url, **kwargs)
     elif url.startswith("/astakos/api/resources"):
         return _req_resources(conn, method, url, **kwargs)
@@ -472,7 +472,7 @@ class TestCallAstakos(unittest.TestCase):
         _mock_request([_request_offline])
         try:
             client = AstakosClient("https://example.com", use_pool=pool)
-            client._call_astakos(token_1, "/im/authenticate")
+            client._call_astakos(token_1, "/astakos/api/authenticate")
         except AstakosClientException:
             pass
         else:
@@ -493,7 +493,7 @@ class TestCallAstakos(unittest.TestCase):
         _mock_request([_request_ok])
         try:
             client = AstakosClient("https://example.com", use_pool=pool)
-            client._call_astakos(token, "/im/authenticate")
+            client._call_astakos(token, "/astakos/api/authenticate")
         except Unauthorized:
             pass
         except Exception:
@@ -516,7 +516,7 @@ class TestCallAstakos(unittest.TestCase):
         _mock_request([_request_ok])
         try:
             client = AstakosClient("https://example.com", use_pool=pool)
-            client._call_astakos(token_1, "/im/misspelled")
+            client._call_astakos(token_1, "/astakos/api/misspelled")
         except NotFound:
             pass
         except Exception:
@@ -539,7 +539,7 @@ class TestCallAstakos(unittest.TestCase):
         _mock_request([_request_ok])
         try:
             client = AstakosClient("ftp://example.com", use_pool=pool)
-            client._call_astakos(token_1, "/im/authenticate")
+            client._call_astakos(token_1, "/astakos/api/authenticate")
         except BadValue:
             pass
         except Exception:
@@ -562,7 +562,7 @@ class TestCallAstakos(unittest.TestCase):
         _mock_request([_request_ok])
         try:
             client = AstakosClient("http://example.com", use_pool=pool)
-            client._call_astakos(token_1, "/im/authenticate")
+            client._call_astakos(token_1, "/astakos/api/authenticate")
         except AstakosClientException as err:
             if err.status != 302:
                 self.fail("Should have returned 302 (Found)")
@@ -584,7 +584,7 @@ class TestCallAstakos(unittest.TestCase):
         _mock_request([_request_ok])
         try:
             client = AstakosClient("https://example.com", use_pool=pool)
-            client._call_astakos(token_1, "/im/authenticate", method="POST")
+            client._call_astakos(token_1, "/astakos/api/authenticate", method="POST")
         except BadRequest:
             pass
         except Exception:
@@ -607,7 +607,7 @@ class TestCallAstakos(unittest.TestCase):
         _mock_request([_request_ok])
         try:
             client = AstakosClient("https://example.com", use_pool=pool)
-            client._call_astakos(token_1, "/user_catalogs")
+            client._call_astakos(token_1, "/astakos/api/user_catalogs")
         except BadRequest:
             pass
         except Exception:

docs/astakos-api-guide.rst

@@ -20,6 +20,7 @@ Document Revisions
 =========================  ================================
 Revision                   Description
 =========================  ================================
+0.14 (May 02, 2013)        Change URIs (keep also the old ones until the next version)
 0.13 (January 21, 2013)    Extend api to export user presentation & quota information.
 0.6 (June 06, 2012)        Split service and admin API.
 0.1 (Feb 10, 2012)         Initial release.
@@ -30,11 +31,11 @@ Get Services
 
 Returns a json formatted list containing information about the supported cloud services.
 
-==================== =========  ==================
-Uri                  Method     Description
-==================== =========  ==================
-``/im/get_services`` GET        Get cloud services
-==================== =========  ==================
+============================= =========  ==================
+Uri                           Method     Description
+============================= =========  ==================
+``/astakos/api/get_services`` GET        Get cloud services
+============================= =========  ==================
 
 Example reply:
 
@@ -44,17 +45,20 @@ Example reply:
     {"url": "/okeanos.html", "name": "~okeanos", "id": "2"},
     {"url": "/ui/", "name": "pithos+", "id": "3"}]
 
+.. warning:: The service is also available under ``/im/get_services``.
+     It  will be removed in the next version.
+
 
 Get Menu
 ^^^^^^^^
 
 Returns a json formatted list containing the cloud bar links.
 
-==================== =========  ==================
-Uri                  Method     Description
-==================== =========  ==================
-``/im/get_menu``     GET        Get cloud bar menu
-==================== =========  ==================
+========================= =========  ==================
+Uri                       Method     Description
+========================= =========  ==================
+``/astakos/api/get_menu`` GET        Get cloud bar menu
+========================= =========  ==================
 
 Example reply if request user is not authenticated:
 
@@ -66,10 +70,13 @@ Example reply if request user is authenticated:
 
 ::
 
-    [{"url": "/im/login", "name": "user@example.com"},
-    {"url": "/im/profile", "name": "My account"},
+    [{"url": "/im/", "name": "user@example.com"},
+    {"url": "/im/landing", "name": "Dashboard"},
     {"url": "/im/logout", "name": "Sign out"}]
 
+.. warning:: The service is also available under ``/im/get_menu``.
+     It  will be removed in the next version.
+
 Admin API Operations
 --------------------
 
@@ -84,11 +91,11 @@ Authenticate
 
 Authenticate API requests require a token. An application that wishes to connect to Astakos, but does not have a token, should redirect the user to ``/login``. (see :ref:`authentication-label`)
 
-==================== =========  ==================
-Uri                  Method     Description
-==================== =========  ==================
-``/im/authenticate`` GET        Authenticate user using token
-==================== =========  ==================
+============================= =========  ==================
+Uri                           Method     Description
+============================= =========  ==================
+``/astakos/api/authenticate`` GET        Authenticate user using token
+============================= =========  ==================
 
 |
 
@@ -225,6 +232,9 @@ Return Code                 Description
 500 (Internal Server Error) The request cannot be completed because of an internal error
 =========================== =====================
 
+.. warning:: The service is also available under ``/im/authenticate``.
+     It  will be removed in the next version.
+
 
 Send feedback
 ^^^^^^^^^^^^^
@@ -234,7 +244,7 @@ Post user feedback.
 ========================= =========  ==================
 Uri                       Method     Description
 ========================= =========  ==================
-``/feedback``             POST       Send feedback
+``astakos/api/feedback``  POST       Send feedback
 ========================= =========  ==================
 
 |
@@ -274,7 +284,7 @@ Return a json formatted dictionary containing information about a specific user
 ================================ =========  ==================
 Uri                              Method     Description
 ================================ =========  ==================
-``/user_catalogs``               POST       Get 2 catalogs containing uuid to displayname mapping and the opposite
+``astakos/api/user_catalogs``    POST       Get 2 catalogs containing uuid to displayname mapping and the opposite
 ================================ =========  ==================
 
 |
@@ -329,11 +339,11 @@ Get User catalogs
 
 Return a json formatted dictionary containing information about a specific user
 
-================================ =========  ==================
-Uri                              Method     Description
-================================ =========  ==================
-``/user_catalogs``               POST       Get 2 catalogs containing uuid to displayname mapping and the opposite
-================================ =========  ==================
+===================================== =========  ==================
+Uri                                   Method     Description
+===================================== =========  ==================
+``astakos/api/service/user_catalogs`` POST       Get 2 catalogs containing uuid to displayname mapping and the opposite
+===================================== =========  ==================
 
 |
 

docs/astakos.rst

@@ -86,11 +86,12 @@ Cloud service user
 Alice requests a specific resource from a cloud service ex. Pithos+. In the
 request supplies the `X-Auth-Token` to identify whether she is eligible to
 perform the specific task. The service contacts Astakos through its
-``/im/authenticate`` api call (see :ref:`authenticate-api-label`) providing the
-specific ``X-Auth-Token``. Astakos checkes whether the token belongs to an
-active user and it has not expired and returns a dictionary containing user
-related information. Finally the service uses the ``uniq`` field included in
-the dictionary as the account string to identify the user accessible resources.
+``/astakos/api/authenticate`` api call (see :ref:`authenticate-api-label`)
+providing the specific ``X-Auth-Token``. Astakos checkes whether the token
+belongs to an active user and it has not expired and returns a dictionary
+containing user related information. Finally the service uses the ``uniq``
+field included in the dictionary as the account string to identify the user
+accessible resources.
 
 .. _registration-flow-label:
 

docs/quick-install-admin-guide.rst

@@ -610,9 +610,9 @@ Then edit ``/etc/synnefo/20-snf-astakos-app-cloudbar.conf`` :
 
     CLOUDBAR_LOCATION = 'https://node1.example.com/static/im/cloudbar/'
 
-    CLOUDBAR_SERVICES_URL = 'https://node1.example.com/im/get_services'
+    CLOUDBAR_SERVICES_URL = 'https://node1.example.com/astakos/api/get_services'
 
-    CLOUDBAR_MENU_URL = 'https://node1.example.com/im/get_menu'
+    CLOUDBAR_MENU_URL = 'https://node1.example.com/astakos/api/get_menu'
 
 Those settings have to do with the black cloudbar endpoints and will be
 described in more detail later on in this guide. For now, just edit the domain
@@ -912,8 +912,8 @@ pithos+ web UI with the astakos web UI (through the top cloudbar):
 
     CLOUDBAR_LOCATION = 'https://node1.example.com/static/im/cloudbar/'
     PITHOS_UI_CLOUDBAR_ACTIVE_SERVICE = '3'
-    CLOUDBAR_SERVICES_URL = 'https://node1.example.com/im/get_services'
-    CLOUDBAR_MENU_URL = 'https://node1.example.com/im/get_menu'
+    CLOUDBAR_SERVICES_URL = 'https://node1.example.com/astakos/api/get_services'
+    CLOUDBAR_MENU_URL = 'https://node1.example.com/astakos/api/get_menu'
 
 The ``CLOUDBAR_LOCATION`` tells the client where to find the astakos common
 cloudbar.
@@ -1722,8 +1722,8 @@ Edit ``/etc/synnefo/20-snf-cyclades-app-cloudbar.conf``:
 
    CLOUDBAR_LOCATION = 'https://node1.example.com/static/im/cloudbar/'
    CLOUDBAR_ACTIVE_SERVICE = '2'
-   CLOUDBAR_SERVICES_URL = 'https://node1.example.com/im/get_services'
-   CLOUDBAR_MENU_URL = 'https://account.node1.example.com/im/get_menu'
+   CLOUDBAR_SERVICES_URL = 'https://node1.example.com/astakos/api/get_services'
+   CLOUDBAR_MENU_URL = 'https://account.node1.example.com/astakos/api/get_menu'
 
 ``CLOUDBAR_LOCATION`` tells the client where to find the Astakos common
 cloudbar. The ``CLOUDBAR_SERVICES_URL`` and ``CLOUDBAR_MENU_URL`` options are

docs/scale/i-astakos.rst

@@ -39,8 +39,8 @@ In `/etc/synnefo/astakos.conf` add:
 .. code-block:: console
 
     CLOUDBAR_LOCATION = 'https://accounts.example.com/static/im/cloudbar/'
-    CLOUDBAR_SERVICES_URL = 'https://accounts.example.com/im/get_services'
-    CLOUDBAR_MENU_URL = 'https://accounts.example.com/im/get_menu'
+    CLOUDBAR_SERVICES_URL = 'https://accounts.example.com/astakos/api/get_services'
+    CLOUDBAR_MENU_URL = 'https://accounts.example.com/astakos/api/get_menu'
 
     ASTAKOS_IM_MODULES = ['local']
 

docs/scale/i-cms.rst

@@ -42,8 +42,8 @@ In `/etc/synnefo/cloudcms.conf` add:
 
     CLOUDBAR_ACTIVE = True
     CLOUDBAR_LOCATION = 'https://accounts.example.com/static/im/cloudbar/'
-    CLOUDBAR_SERVICES_URL = 'https://accounts.example.com/im/get_services'
-    CLOUDBAR_MENU_URL = 'https://accounts.example.com/im/get_menu'
+    CLOUDBAR_SERVICES_URL = 'https://accounts.example.com/astakos/api/get_services'
+    CLOUDBAR_MENU_URL = 'https://accounts.example.com/astakos/api/get_menu'
 
     WEBPROJECT_SERVE_STATIC = True
 

docs/scale/i-cyclades.rst

@@ -64,7 +64,7 @@ In `/etc/synnefo/cyclades.conf` add:
     GANETI_USE_HOTPLUG = True
     CLOUDBAR_LOCATION = 'https://accounts.example.com/static/im/cloudbar/'
     CLOUDBAR_ACTIVE_SERVICE = '2'
-    CLOUDBAR_SERVICES_URL = 'https://accounts.example.com/im/get_services'
+    CLOUDBAR_SERVICES_URL = 'https://accounts.example.com/astakos/api/get_services'
     CLOUDBAR_MENU_URL = 'https://accounts.example.com/im/get_menu'
     BACKEND_DB_CONNECTION = 'postgresql://synnefo:example_passw0rd@db.example.com:5432/snf_pithos'
     BACKEND_BLOCK_PATH = '/srv/pithos/data/'

docs/scale/i-pithos.rst

@@ -85,8 +85,8 @@ In `/etc/synnefo/webclient.conf` add:
 .. code-block:: console
 
     CLOUDBAR_LOCATION = 'https://accounts.example.com/static/im/cloudbar/'
-    CLOUDBAR_SERVICES_URL = 'https://accounts.example.com/im/get_services'
-    CLOUDBAR_MENU_URL = 'https://accounts.example.com/im/get_menu'
+    CLOUDBAR_SERVICES_URL = 'https://accounts.example.com/astakos/api/get_services'
+    CLOUDBAR_MENU_URL = 'https://accounts.example.com/astakos/api/get_menu'
 
     PITHOS_UI_CLOUDBAR_ACTIVE_SERVICE = 'XXXXXXXX'
 

docs/upgrade/upgrade-0.14.rst

@@ -74,3 +74,55 @@ Finally, Astakos needs to inform the quota system for the current number
 of pending applications per user::
 
     astakos-host$ snf-manage reconcile-resources-astakos --fix
+
+4 Change Astakos URIs in settings
+=================================
+
+In astakos-host edit ``/etc/synnefo/20-snf-astakos-app-cloudbar.conf`` and replace
+the following lines:
+
+.. code-block:: console
+
+    CLOUDBAR_SERVICES_URL = 'https://node1.example.com/im/get_services'
+    CLOUDBAR_MENU_URL = 'https://node1.example.com/im/get_menu'
+
+with:
+
+.. code-block:: console
+
+    CLOUDBAR_SERVICES_URL = 'https://node1.example.com/astakos/api/get_services'
+    CLOUDBAR_MENU_URL = 'https://node1.example.com/astakos/api/get_menu'
+
+|
+
+Also in pithos-host edit ``/etc/synnefo/20-snf-pithos-webclient-cloudbar.conf``
+and the following lines:
+
+.. code-block:: console
+
+    CLOUDBAR_SERVICES_URL = 'https://node1.example.com/im/get_services'
+    CLOUDBAR_MENU_URL = 'https://node1.example.com/im/get_menu'
+
+with:
+
+.. code-block:: console
+
+    CLOUDBAR_SERVICES_URL = 'https://node1.example.com/astakos/api/get_services'
+    CLOUDBAR_MENU_URL = 'https://node1.example.com/astakos/api/get_menu'
+
+|
+
+Finally in cyclades-node edit ``/etc/synnefo/20-snf-cyclades-app-cloudbar.conf``
+and replace the following lines:
+
+.. code-block:: console
+
+   CLOUDBAR_SERVICES_URL = 'https://node1.example.com/im/get_services'
+   CLOUDBAR_MENU_URL = 'https://account.node1.example.com/im/get_menu'
+
+with:
+
+.. code-block:: console
+
+   CLOUDBAR_SERVICES_URL = 'https://node1.example.com/astakos/api/get_services'
+   CLOUDBAR_MENU_URL = 'https://account.node1.example.com/astakos/api/get_menu'

snf-astakos-app/astakos/api/__init__.py

+# Copyright 2013 GRNET S.A. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or
+# without modification, are permitted provided that the following
+# conditions are met:
+#
+#   1. Redistributions of source code must retain the above
+#      copyright notice, this list of conditions and the following
+#      disclaimer.
+#
+#   2. Redistributions in binary form must reproduce the above
+#      copyright notice, this list of conditions and the following
+#      disclaimer in the documentation and/or other materials
+#      provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# The views and conclusions contained in the software and
+# documentation are those of the authors and should not be
+# interpreted as representing official policies, either expressed
+# or implied, of GRNET S.A.
+
+# Decorator for API methods, using common utils.api_method decorator.
+# It is used for 'get_services' and 'get_menu' methods that do not
+# require any sort of authentication
+
+from functools import partial
+
+from django.http import HttpResponse
+from django.utils import simplejson as json
+from django.core.urlresolvers import reverse
+from django.utils.translation import ugettext as _
+from django.contrib import messages
+
+from snf_django.lib import api
+from astakos.im.models import Service
+from astakos.im.settings import (INVITATIONS_ENABLED, QUOTAHOLDER_URL,
+                                 PROJECTS_VISIBLE)
+
+import logging
+logger = logging.getLogger(__name__)
+
+absolute = lambda request, url: request.build_absolute_uri(url)
+
+api_method = partial(api.api_method, user_required=False,
+                     token_required=False, logger=logger)
+
+
+@api_method(http_method=None)
+def get_services(request):
+    callback = request.GET.get('callback', None)
+    mimetype = 'application/json'
+    data = json.dumps(Service.catalog().values())
+
+    if callback:
+        # Consume session messages. When get_services is loaded from an astakos
+        # page, messages should have already been consumed in the html
+        # response. When get_services is loaded from another domain/service we
+        # consume them here so that no stale messages to appear if user visits
+        # an astakos view later on.
+        # TODO: messages could be served to other services/sites in the dict
+        # response of get_services and/or get_menu. Services could handle those
+        # messages respectively.
+        messages_list = list(messages.get_messages(request))
+        mimetype = 'application/javascript'
+        data = '%s(%s)' % (callback, data)
+
+    return HttpResponse(content=data, mimetype=mimetype)
+
+
+@api_method()
+def get_menu(request, with_extra_links=False, with_signout=True):
+    user = request.user
+    index_url = reverse('index')
+
+    if user.is_authenticated():
+        l = []
+        append = l.append
+        item = MenuItem
+        item.current_path = absolute(request, request.path)
+        append(item(url=absolute(request, reverse('index')),
+                    name=user.email))
+        if with_extra_links:
+            append(item(url=absolute(request, reverse('landing')),
+                        name="Overview"))
+        if with_signout:
+            append(item(url=absolute(request, reverse('landing')),
+                        name="Dashboard"))
+        if with_extra_links:
+            append(item(url=absolute(request, reverse('edit_profile')),
+                        name="Profile"))
+
+        if with_extra_links:
+            if INVITATIONS_ENABLED:
+                append(item(url=absolute(request, reverse('invite')),
+                            name="Invitations"))
+
+            append(item(url=absolute(request, reverse('resource_usage')),
+                        name="Usage"))
+
+            if QUOTAHOLDER_URL and PROJECTS_VISIBLE:
+                append(item(url=absolute(request, reverse('project_list')),
+                            name="Projects"))
+            #append(item(
+                #url=absolute(request, reverse('api_access')),
+                #name="API Access"))
+
+            append(item(url=absolute(request, reverse('feedback')),
+                        name="Contact"))
+        if with_signout:
+            append(item(url=absolute(request, reverse('logout')),
+                        name="Sign out"))
+    else:
+        l = [{'url': absolute(request, index_url),
+              'name': _("Sign in")}]
+
+    callback = request.GET.get('callback', None)
+    data = json.dumps(tuple(l))
+    mimetype = 'application/json'
+
+    if callback:
+        mimetype = 'application/javascript'
+        data = '%s(%s)' % (callback, data)
+
+    return HttpResponse(content=data, mimetype=mimetype)
+
+
+class MenuItem(dict):
+    current_path = ''
+
+    def __init__(self, *args, **kwargs):
+        super(MenuItem, self).__init__(*args, **kwargs)
+        if kwargs.get('url') or kwargs.get('submenu'):
+            self.__set_is_active__()
+
+    def __setitem__(self, key, value):
+        super(MenuItem, self).__setitem__(key, value)
+        if key in ('url', 'submenu'):
+            self.__set_is_active__()
+
+    def __set_is_active__(self):
+        if self.get('is_active'):
+            return
+        if self.current_path.startswith(self.get('url')):
+            self.__setitem__('is_active', True)
+        else:
+            submenu = self.get('submenu', ())
+            current = (i for i in submenu if i.get('url') == self.current_path)
+            try:
+                current_node = current.next()
+                if not current_node.get('is_active'):
+                    current_node.__setitem__('is_active', True)
+                self.__setitem__('is_active', True)
+            except StopIteration: