Revision 79b5d61b snf-astakos-app/astakos/api/__init__.py
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# Copyright 2013 GRNET S.A. All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or |
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# without modification, are permitted provided that the following |
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# conditions are met: |
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# |
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# 1. Redistributions of source code must retain the above |
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# copyright notice, this list of conditions and the following |
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# disclaimer. |
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# |
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# 2. Redistributions in binary form must reproduce the above |
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# copyright notice, this list of conditions and the following |
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# disclaimer in the documentation and/or other materials |
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# provided with the distribution. |
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# |
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS |
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR |
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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# POSSIBILITY OF SUCH DAMAGE. |
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# |
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# The views and conclusions contained in the software and |
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# documentation are those of the authors and should not be |
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# interpreted as representing official policies, either expressed |
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# or implied, of GRNET S.A. |
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# Decorator for API methods, using common utils.api_method decorator. |
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# It is used for 'get_services' and 'get_menu' methods that do not |
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# require any sort of authentication |
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from functools import partial |
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from django.http import HttpResponse |
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from django.utils import simplejson as json |
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from django.core.urlresolvers import reverse |
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from django.utils.translation import ugettext as _ |
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from django.contrib import messages |
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from snf_django.lib import api |
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from astakos.im.models import Service |
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from astakos.im.settings import (INVITATIONS_ENABLED, QUOTAHOLDER_URL, |
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PROJECTS_VISIBLE) |
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import logging |
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logger = logging.getLogger(__name__) |
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absolute = lambda request, url: request.build_absolute_uri(url) |
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api_method = partial(api.api_method, user_required=False, |
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token_required=False, logger=logger) |
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@api_method(http_method=None) |
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def get_services(request): |
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callback = request.GET.get('callback', None) |
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mimetype = 'application/json' |
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data = json.dumps(Service.catalog().values()) |
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if callback: |
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# Consume session messages. When get_services is loaded from an astakos |
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# page, messages should have already been consumed in the html |
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# response. When get_services is loaded from another domain/service we |
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# consume them here so that no stale messages to appear if user visits |
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# an astakos view later on. |
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# TODO: messages could be served to other services/sites in the dict |
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# response of get_services and/or get_menu. Services could handle those |
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# messages respectively. |
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messages_list = list(messages.get_messages(request)) |
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mimetype = 'application/javascript' |
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data = '%s(%s)' % (callback, data) |
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return HttpResponse(content=data, mimetype=mimetype) |
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@api_method() |
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def get_menu(request, with_extra_links=False, with_signout=True): |
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user = request.user |
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index_url = reverse('index') |
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if user.is_authenticated(): |
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l = [] |
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append = l.append |
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item = MenuItem |
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item.current_path = absolute(request, request.path) |
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append(item(url=absolute(request, reverse('index')), |
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name=user.email)) |
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if with_extra_links: |
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append(item(url=absolute(request, reverse('landing')), |
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name="Overview")) |
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if with_signout: |
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append(item(url=absolute(request, reverse('landing')), |
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name="Dashboard")) |
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if with_extra_links: |
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append(item(url=absolute(request, reverse('edit_profile')), |
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name="Profile")) |
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if with_extra_links: |
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if INVITATIONS_ENABLED: |
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append(item(url=absolute(request, reverse('invite')), |
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name="Invitations")) |
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append(item(url=absolute(request, reverse('resource_usage')), |
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name="Usage")) |
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if QUOTAHOLDER_URL and PROJECTS_VISIBLE: |
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append(item(url=absolute(request, reverse('project_list')), |
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name="Projects")) |
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#append(item( |
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#url=absolute(request, reverse('api_access')), |
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#name="API Access")) |
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append(item(url=absolute(request, reverse('feedback')), |
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name="Contact")) |
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if with_signout: |
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append(item(url=absolute(request, reverse('logout')), |
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name="Sign out")) |
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else: |
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l = [{'url': absolute(request, index_url), |
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'name': _("Sign in")}] |
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callback = request.GET.get('callback', None) |
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data = json.dumps(tuple(l)) |
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mimetype = 'application/json' |
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if callback: |
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mimetype = 'application/javascript' |
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data = '%s(%s)' % (callback, data) |
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return HttpResponse(content=data, mimetype=mimetype) |
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class MenuItem(dict): |
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current_path = '' |
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def __init__(self, *args, **kwargs): |
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super(MenuItem, self).__init__(*args, **kwargs) |
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if kwargs.get('url') or kwargs.get('submenu'): |
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self.__set_is_active__() |
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def __setitem__(self, key, value): |
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super(MenuItem, self).__setitem__(key, value) |
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if key in ('url', 'submenu'): |
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self.__set_is_active__() |
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def __set_is_active__(self): |
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if self.get('is_active'): |
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return |
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if self.current_path.startswith(self.get('url')): |
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self.__setitem__('is_active', True) |
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else: |
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submenu = self.get('submenu', ()) |
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current = (i for i in submenu if i.get('url') == self.current_path) |
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try: |
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current_node = current.next() |
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if not current_node.get('is_active'): |
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current_node.__setitem__('is_active', True) |
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self.__setitem__('is_active', True) |
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except StopIteration: |
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return |
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def __setattribute__(self, name, value): |
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super(MenuItem, self).__setattribute__(name, value) |
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if name == 'current_path': |
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self.__set_is_active__() |
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