root / snf-pithos-app / pithos / api / delegate.py @ f5b1b80e
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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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from urlparse import urlparse |
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import urllib |
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import urllib2 |
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from django.http import ( |
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HttpResponseNotFound, HttpResponseRedirect, HttpResponseBadRequest, |
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HttpResponse) |
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from django.utils.http import urlencode |
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from django.views.decorators.csrf import csrf_exempt |
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from pithos.api.settings import ( |
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AUTHENTICATION_USERS, USER_LOGIN_URL, USER_FEEDBACK_URL, USER_CATALOG_URL) |
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from synnefo.lib.pool.http import get_http_connection |
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logger = logging.getLogger(__name__) |
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def delegate_to_login_service(request): |
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url = USER_LOGIN_URL |
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users = AUTHENTICATION_USERS |
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if users or not url: |
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return HttpResponseNotFound()
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p = urlparse(url) |
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if request.is_secure():
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proto = 'https://'
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else:
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proto = 'http://'
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params = dict([(k, v) for k, v in request.GET.items()]) |
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uri = proto + p.netloc + p.path + '?' + urlencode(params)
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return HttpResponseRedirect(uri)
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def proxy(request, url, headers={}, body=None): |
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p = urlparse(url) |
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kwargs = {} |
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kwargs['headers'] = headers
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kwargs['headers'].update(request.META)
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kwargs['body'] = body
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kwargs['headers'].setdefault('content-type', 'application/json') |
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kwargs['headers'].setdefault('content-length', len(body) if body else 0) |
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conn = get_http_connection(p.netloc, p.scheme) |
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try:
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conn.request(request.method, p.path + '?' + p.query, **kwargs)
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response = conn.getresponse() |
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length = response.getheader('content-length', None) |
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data = response.read(length) |
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status = int(response.status)
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return HttpResponse(data, status=status)
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finally:
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conn.close() |
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@csrf_exempt
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def delegate_to_feedback_service(request): |
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token = request.META.get('HTTP_X_AUTH_TOKEN')
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headers = {'X-Auth-Token': token}
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return proxy(
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request, USER_FEEDBACK_URL, headers=headers, body=request.raw_post_data) |
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@csrf_exempt
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def delegate_to_user_catalogs_service(request): |
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token = request.META.get('HTTP_X_AUTH_TOKEN')
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headers = {'X-Auth-Token': token, 'content-type': 'application/json'} |
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return proxy(
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request, USER_CATALOG_URL, headers=headers, body=request.raw_post_data) |