root / snf-astakos-app / astakos / im / api.py @ 63fa03fe
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# Copyright 2011-2012 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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import logging |
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import urllib |
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from functools import wraps |
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from traceback import format_exc |
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from time import time, mktime |
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from urllib import quote |
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from urlparse import urlparse |
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from django.conf import settings |
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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 astakos.im.faults import BadRequest, Unauthorized, InternalServerError, Fault |
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from astakos.im.models import AstakosUser |
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from astakos.im.settings import CLOUD_SERVICES, INVITATIONS_ENABLED, COOKIE_NAME |
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from astakos.im.util import has_signed_terms, epoch |
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logger = logging.getLogger(__name__) |
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def render_fault(request, fault): |
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if isinstance(fault, InternalServerError) and settings.DEBUG: |
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fault.details = format_exc(fault) |
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request.serialization = 'text'
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data = fault.message + '\n'
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if fault.details:
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data += '\n' + fault.details
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response = HttpResponse(data, status=fault.code) |
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response['Content-Length'] = len(response.content) |
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return response
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def api_method(http_method=None, token_required=False, perms=[]): |
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"""Decorator function for views that implement an API method."""
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def decorator(func): |
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@wraps(func)
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def wrapper(request, *args, **kwargs): |
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try:
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if http_method and request.method != http_method: |
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raise BadRequest('Method not allowed.') |
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x_auth_token = request.META.get('HTTP_X_AUTH_TOKEN')
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if token_required:
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if not x_auth_token: |
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raise Unauthorized('Access denied') |
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try:
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user = AstakosUser.objects.get(auth_token=x_auth_token) |
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if not user.has_perms(perms): |
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raise Unauthorized('Unauthorized request') |
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except AstakosUser.DoesNotExist, e:
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raise Unauthorized('Invalid X-Auth-Token') |
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kwargs['user'] = user
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response = func(request, *args, **kwargs) |
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return response
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except Fault, fault:
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return render_fault(request, fault)
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except BaseException, e: |
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logger.exception('Unexpected error: %s' % e)
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fault = InternalServerError('Unexpected error')
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return render_fault(request, fault)
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return wrapper
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return decorator
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@api_method(http_method='GET', token_required=True) |
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def authenticate_old(request, user=None): |
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# Normal Response Codes: 204
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# Error Response Codes: internalServerError (500)
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# badRequest (400)
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# unauthorised (401)
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if not user: |
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raise BadRequest('No user') |
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# Check if the is active.
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if not user.is_active: |
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raise Unauthorized('User inactive') |
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# Check if the token has expired.
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if (time() - mktime(user.auth_token_expires.timetuple())) > 0: |
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raise Unauthorized('Authentication expired') |
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if not has_signed_terms(user): |
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raise Unauthorized('Pending approval terms') |
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response = HttpResponse() |
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response.status=204
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user_info = {'username':user.username,
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'uniq':user.email,
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'auth_token':user.auth_token,
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'auth_token_created':user.auth_token_created.isoformat(),
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'auth_token_expires':user.auth_token_expires.isoformat(),
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'has_credits':user.has_credits,
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'has_signed_terms':has_signed_terms(user)}
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response.content = json.dumps(user_info) |
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response['Content-Type'] = 'application/json; charset=UTF-8' |
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response['Content-Length'] = len(response.content) |
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return response
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@api_method(http_method='GET', token_required=True) |
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def authenticate(request, user=None): |
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# Normal Response Codes: 204
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# Error Response Codes: internalServerError (500)
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# badRequest (400)
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# unauthorised (401)
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if not user: |
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raise BadRequest('No user') |
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# Check if the is active.
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if not user.is_active: |
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raise Unauthorized('User inactive') |
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# Check if the token has expired.
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if (time() - mktime(user.auth_token_expires.timetuple())) > 0: |
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raise Unauthorized('Authentication expired') |
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if not has_signed_terms(user): |
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raise Unauthorized('Pending approval terms') |
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response = HttpResponse() |
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response.status=204
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user_info = {'userid':user.username,
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'email':[user.email],
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'name':user.realname,
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'auth_token':user.auth_token,
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'auth_token_created':epoch(user.auth_token_created),
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'auth_token_expires':epoch(user.auth_token_expires),
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'has_credits':user.has_credits,
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'is_active':user.is_active,
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'groups':[g.name for g in user.groups.all()]} |
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response.content = json.dumps(user_info) |
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response['Content-Type'] = 'application/json; charset=UTF-8' |
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response['Content-Length'] = len(response.content) |
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return response
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@api_method(http_method='GET') |
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def get_services(request): |
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callback = request.GET.get('callback', None) |
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data = json.dumps(CLOUD_SERVICES) |
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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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@api_method()
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def get_menu(request, with_extra_links=False, with_signout=True): |
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exclude = [] |
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index_url = reverse('index')
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absolute = lambda (url): request.build_absolute_uri(url)
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l = [{ 'url': absolute(index_url), 'name': "Sign in"}] |
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cookie = urllib.unquote(request.COOKIES.get(COOKIE_NAME, ''))
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email = cookie.partition('|')[0] |
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try:
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user = AstakosUser.objects.get(email=email) |
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except AstakosUser.DoesNotExist:
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pass
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else:
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l = [] |
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l.append({ 'url': absolute(reverse('astakos.im.views.index')), |
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'name': user.email})
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l.append({ 'url': absolute(reverse('astakos.im.views.edit_profile')), |
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'name': "My account" }) |
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if with_extra_links:
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if user.has_usable_password():
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l.append({ 'url': absolute(reverse('password_change')), |
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'name': "Change password" }) |
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if INVITATIONS_ENABLED:
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l.append({ 'url': absolute(reverse('astakos.im.views.invite')), |
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'name': "Invitations" }) |
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l.append({ 'url': absolute(reverse('astakos.im.views.feedback')), |
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'name': "Feedback" }) |
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if with_signout:
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l.append({ 'url': absolute(reverse('astakos.im.views.logout')), |
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'name': "Sign out"}) |
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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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@api_method(http_method='GET', token_required=True, perms=['astakos.im.can_find_userid']) |
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def find_userid(request): |
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# Normal Response Codes: 204
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# Error Response Codes: internalServerError (500)
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# badRequest (400)
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# unauthorised (401)
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email = request.GET.get('email')
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if not email: |
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raise BadRequest('Email missing') |
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try:
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user = AstakosUser.objects.get(email = email) |
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except AstakosUser.DoesNotExist, e:
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raise BadRequest('Invalid email') |
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else:
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response = HttpResponse() |
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response.status=204
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user_info = {'userid':user.username}
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response.content = json.dumps(user_info) |
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response['Content-Type'] = 'application/json; charset=UTF-8' |
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response['Content-Length'] = len(response.content) |
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return response
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@api_method(http_method='GET', token_required=True, perms=['astakos.im.can_find_email']) |
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def find_email(request): |
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# Normal Response Codes: 204
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# Error Response Codes: internalServerError (500)
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# badRequest (400)
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# unauthorised (401)
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userid = request.GET.get('userid')
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if not userid: |
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raise BadRequest('Userid missing') |
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try:
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user = AstakosUser.objects.get(username = userid) |
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except AstakosUser.DoesNotExist, e:
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raise BadRequest('Invalid userid') |
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else:
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response = HttpResponse() |
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response.status=204
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user_info = {'userid':user.email}
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response.content = json.dumps(user_info) |
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response['Content-Type'] = 'application/json; charset=UTF-8' |
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response['Content-Length'] = len(response.content) |
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return response
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