4 # this is for django objects only
5 #from django.core import serializers
6 from django.http import HttpResponse, HttpResponseForbidden
8 #from manifoldapi.manifoldquery import ManifoldQuery
9 from manifold.core.query import Query
10 from manifold.core.result_value import ResultValue
11 from manifoldapi import ManifoldAPI
12 from manifoldresult import ManifoldException
13 from manifold.util.log import Log
15 from myslice.settings import config, logger, DEBUG
23 # pretend the server only returns - empty lists to 'get' requests - this is to mimick
24 # misconfigurations or expired credentials or similar corner case situations
28 # this view is what the javascript talks to when it sends a query
32 # static/js/manifold.js
33 def proxy (request,format):
34 """the view associated with /manifold/proxy/ with the query passed using POST"""
37 if request.method != 'POST':
38 logger.error("MANIFOLDPROXY unexpected method %s -- exiting" % request.method)
39 return HttpResponse ({"ret":0}, mimetype="application/json")
40 # we only support json for now
41 # if needed in the future we should probably cater for
42 # format_in : how is the query encoded in POST
43 # format_out: how to serve the results
45 logger.error("MANIFOLDPROXY unexpected format %s -- exiting" % format)
46 return HttpResponse ({"ret":0}, mimetype="application/json")
48 # translate incoming POST request into a query object
49 #logger.debug("MANIFOLDPROXY request.POST %s" % request.POST)
51 manifold_query = Query()
52 #manifold_query = ManifoldQuery()
53 manifold_query.fill_from_POST(request.POST)
54 # retrieve session for request
56 # We allow some requests to use the ADMIN user account
57 if (manifold_query.get_from() == 'local:user' and manifold_query.get_action() == 'create') \
58 or (manifold_query.get_from() == 'local:platform' and manifold_query.get_action() == 'get'):
59 admin_user, admin_password = config.manifold_admin_user_password()
60 manifold_api_session_auth = {'AuthMethod': 'password', 'Username': admin_user, 'AuthString': admin_password}
62 if 'manifold' in request.session:
63 manifold_api_session_auth = request.session['manifold']['auth']
65 return HttpResponse (json.dumps({'code':0,'value':[]}), mimetype="application/json")
67 if debug_empty and manifold_query.action.lower()=='get':
68 return HttpResponse (json.dumps({'code':0,'value':[]}), mimetype="application/json")
71 manifold_api= ManifoldAPI(auth=manifold_api_session_auth)
73 # for the benefit of the python code, manifoldAPI raises an exception if something is wrong
74 # however in this case we want to propagate the complete manifold result to the js world
76 result = manifold_api.forward(manifold_query.to_dict())
79 if 'description' in result and result['description'] \
80 and isinstance(result['description'], (tuple, list, set, frozenset)):
81 result [ 'description' ] = [ ResultValue.to_html (x) for x in result['description'] ]
86 # resource reservation
87 if (manifold_query.action.lower() == 'update') :
88 print result['value'][0]
89 if 'resource' in result['value'][0] :
90 for resource in result['value'][0]['resource'] :
91 activity.slice.resource(request,
93 'slice' : result['value'][0]['slice_hrn'],
94 'resource' : resource['hostname'],
95 'resource_type' : resource['type'],
96 'facility' : resource['facility_name'],
97 'testbed' : resource['testbed_name']
101 json_answer=json.dumps(result)
103 return HttpResponse (json_answer, mimetype="application/json")
106 logger.error("MANIFOLDPROXY %s" % e)
108 traceback.print_exc()
109 return HttpResponse ({"ret":0}, mimetype="application/json")
112 # see CSRF_FAILURE_VIEW in settings.py
113 # the purpose of redefining this was to display the failure reason somehow
114 # this however turns out disappointing/not very informative
115 failure_answer=[ "csrf_failure" ]
116 def csrf_failure(request, reason=""):
117 print "CSRF failure with reason '%s'"%reason
118 return HttpResponseForbidden (json.dumps (failure_answer), mimetype="application/json")