root / snf-astakos-app / astakos / im / api / service.py @ b778b6fa
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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 functools import wraps |
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from time import time, mktime |
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from django.http import HttpResponse |
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from django.views.decorators.csrf import csrf_exempt |
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from astakos.im.api.faults import Fault, Unauthorized, InternalServerError, BadRequest |
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from astakos.im.api import render_fault, _get_user_by_email, _get_user_by_username |
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from astakos.im.models import AstakosUser, Service |
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from astakos.im.forms import FeedbackForm |
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from astakos.im.functions import send_feedback as send_feedback_func |
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logger = logging.getLogger(__name__) |
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def api_method(http_method=None, token_required=False): |
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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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service = Service.objects.get(auth_token=x_auth_token) |
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# Check if the token has expired.
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if (time() - mktime(service.auth_token_expires.timetuple())) > 0: |
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raise Unauthorized('Authentication expired') |
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except Service.DoesNotExist, e:
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raise Unauthorized('Invalid X-Auth-Token') |
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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 get_user_by_email(request, user=None): |
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# Normal Response Codes: 200
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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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# forbidden (403)
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# itemNotFound (404)
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email = request.GET.get('name')
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return _get_user_by_email(email)
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@api_method(http_method='GET', token_required=True) |
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def get_user_by_username(request, user_id, user=None): |
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# Normal Response Codes: 200
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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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# forbidden (403)
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# itemNotFound (404)
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return _get_user_by_username(user_id)
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@csrf_exempt
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@api_method(http_method='POST', token_required=True) |
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def send_feedback(request, email_template_name='im/feedback_mail.txt'): |
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# Normal Response Codes: 200
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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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auth_token = request.POST.get('auth', '') |
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if not auth_token: |
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raise BadRequest('Missing user authentication') |
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user = None
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try:
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user = AstakosUser.objects.get(auth_token=auth_token) |
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except:
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pass
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if not user: |
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raise BadRequest('Invalid user authentication') |
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form = FeedbackForm(request.POST) |
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if not form.is_valid(): |
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raise BadRequest('Invalid data') |
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msg = form.cleaned_data['feedback_msg']
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data = form.cleaned_data['feedback_data']
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send_feedback_func(msg, data, user, email_template_name) |
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response = HttpResponse(status=200)
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response['Content-Length'] = len(response.content) |
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return response
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