Added resources to the platform description, fixed link in querytable for the init_ke...

[myslice.git] / manifold / manifoldproxy.py

diff --git a/manifold/manifoldproxy.py b/manifold/manifoldproxy.py
index d0636c8..debd1f7 100644 (file)
--- a/manifold/manifoldproxy.py
+++ b/manifold/manifoldproxy.py
@@ -1,22 +1,25 @@
 import json
+import os.path
+
 # this is for django objects only
 #from django.core import serializers
-from django.http import HttpResponse, HttpResponseForbidden
+from django.http                import HttpResponse, HttpResponseForbidden
 
-from manifold.manifoldquery import ManifoldQuery
-from manifold.manifoldapi import ManifoldAPI
+#from manifold.manifoldquery import ManifoldQuery
+from manifold.core.query        import Query
+from manifold.core.result_value import ResultValue
+from manifold.manifoldapi       import ManifoldAPI
+from manifold.manifoldresult    import ManifoldException
+from manifold.util.log          import Log
+from myslice.config             import Config
 
 debug=False
-debug=True
-
-# add artificial delay in s
-debug_spin=0
-#debug_spin=1
+#debug=True
 
-# turn this on if you want the fastest possible (locally cached) feedback
-# beware that this is very rough though...
-work_offline=False
-#work_offline=True
+# pretend the server only returns - empty lists to 'get' requests - this is to mimick 
+# misconfigurations or expired credentials or similar corner case situations
+debug_empty=False
+#debug_empty=True
 
 # this view is what the javascript talks to when it sends a query
 # see also
@@ -36,45 +39,49 @@ with the query passed using POST"""
     # format_in : how is the query encoded in POST
     # format_out: how to serve the results
     if format != 'json':
-        print "manifoldproxy.api: unexpected format %s -- exiting"%format
+        print "manifoldproxy.proxy: unexpected format %s -- exiting"%format
         return
     try:
         # translate incoming POST request into a query object
         if debug: print 'manifoldproxy.proxy: request.POST',request.POST
-        manifold_query = ManifoldQuery()
+        manifold_query = Query()
+        #manifold_query = ManifoldQuery()
         manifold_query.fill_from_POST(request.POST)
-        offline_filename="offline-%s-%s.json"%(manifold_query.action,manifold_query.subject)
         # retrieve session for request
-        manifold_api_session_auth = request.session['manifold']['auth']
-        ### patch : return the latest one..
-        if work_offline:
-            # if that won't work then we'll try to update anyways
-            try:
-                with (file(offline_filename,"r")) as f:
-                    json_answer=f.read()
-                print "By-passing : using contents from %s"%offline_filename
-                return HttpResponse (json_answer, mimetype="application/json")
-            except:
-                import traceback
-                traceback.print_exc()
-                print "PROCEEDING"
-                pass
+
+        # We allow some requests to use the ADMIN user account
+        if (manifold_query.get_from() == 'local:user' and manifold_query.get_action() == 'create') \
+                or (manifold_query.get_from() == 'local:platform' and manifold_query.get_action() == 'get'):
+            admin_user, admin_password = Config().manifold_admin_user_password()
+            manifold_api_session_auth = {'AuthMethod': 'password', 'Username': admin_user, 'AuthString': admin_password}
+        else:
+            print request.session['manifold']
+            manifold_api_session_auth = request.session['manifold']['auth']
+
+        if debug_empty and manifold_query.action.lower()=='get':
+            json_answer=json.dumps({'code':0,'value':[]})
+            print "By-passing : debug_empty & 'get' request : returning a fake empty list"
+            return HttpResponse (json_answer, mimetype="application/json")
                 
         # actually forward
         manifold_api= ManifoldAPI(auth=manifold_api_session_auth)
-        if debug: print 'manifoldproxy.proxy: sending to backend', manifold_query
-        answer=manifold_api.send_manifold_query (manifold_query)
-        if debug: print 'manifoldproxy.proxy: received from backend with code', answer['code']
-        json_answer=json.dumps(answer)
-        if (debug):
-            with (file(offline_filename,"w")) as f:
-                f.write(json_answer)
-        if debug_spin:
-            import time
-            time.sleep(debug_spin)
+        if debug: print '===> manifoldproxy.proxy: sending to backend', manifold_query
+        # for the benefit of the python code, manifoldAPI raises an exception if something is wrong
+        # however in this case we want to propagate the complete manifold result to the js world
+
+        result = manifold_api.forward(manifold_query.to_dict())
+
+        # XXX TEMP HACK
+        if 'description' in result and result['description'] \
+                and isinstance(result['description'], (tuple, list, set, frozenset)):
+            result [ 'description' ] = [ ResultValue.to_html (x) for x in result['description'] ]
+
+        json_answer=json.dumps(result)
+
         return HttpResponse (json_answer, mimetype="application/json")
 
-    except:
+    except Exception,e:
+        print "** PROXY ERROR **",e
         import traceback
         traceback.print_exc()